:root {
    --bg: #000000;
    --bg-2: #0a0a0a;
    --card: #111111;
    --card-hover: #1a1a1a;
    --border: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(255, 186, 73, 0.4);
    --text: #ffffff;
    --text-muted: #c8c8c8;
    --text-dim: rgba(255, 255, 255, 0.4);
    --accent: #ffba49;
    --accent-2: #ff6b6b;
    --accent-glow: rgba(255, 186, 73, 0.15);
    --gradient: linear-gradient(135deg, #ffba49 0%, #ff6b6b 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 0%, #ffba49 50%, #ff6b6b 100%);
    --font-h: 'Outfit', sans-serif;
    --font-b: 'Space Grotesk', sans-serif;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(255, 186, 73, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
}

/* ─── Reset ─────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-b);
    line-height: 1.65;
    overflow-x: hidden;
    cursor: none;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ─── Scroll Progress Bar ────────────────────────── */
#scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: var(--gradient);
    z-index: 9999;
    transition: width 0.1s linear;
    box-shadow: 0 0 12px rgba(255, 186, 73, 0.7);
}

/* ─── Custom Cursor ──────────────────────────────── */
.cursor-dot, .cursor-outline {
    position: fixed; top: 0; left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9998;
    pointer-events: none;
    transition-property: transform;
}
.cursor-dot {
    width: 6px; height: 6px;
    background: var(--accent);
}
.cursor-outline {
    width: 36px; height: 36px;
    border: 1.5px solid rgba(255, 186, 73, 0.5);
    transition: width 0.2s var(--ease), height 0.2s var(--ease), background 0.2s var(--ease);
}
.cursor-outline.hovered {
    width: 56px; height: 56px;
    background: rgba(255, 186, 73, 0.08);
}

/* ─── Canvas ─────────────────────────────────────── */
#bg-animation {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
}

/* ─── Layout Helpers ─────────────────────────────── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }

/* ─── Section Headers ────────────────────────────── */
.section-header { 
    margin-bottom: 3.5rem; 
    text-align: center;
}
.section-title {
    font-family: var(--font-h);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.line {
    width: 56px; height: 4px;
    background: var(--gradient);
    border-radius: 99px;
    margin: 0.5rem auto 1.25rem;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 1.02rem;
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    line-height: 1.75;
}
.section-subtitle strong {
    color: #ffffff;
}

/* ─── Buttons ────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 99px;
    font-weight: 700;
    font-family: var(--font-h);
    font-size: 0.95rem;
    cursor: pointer; border: none;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
    letter-spacing: 0.5px;
}
.btn-primary {
    background: var(--gradient);
    color: #000;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(255, 186, 73, 0.4);
}
.btn-secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.25);
    color: var(--text);
    margin-left: 0.75rem;
}
.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
}

/* ─── Header / Nav ───────────────────────────────── */
.header {
    position: fixed; top: 0; left: 0;
    width: 100%; padding: 1.1rem 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: padding 0.3s var(--ease), background 0.3s var(--ease);
}
.header.scrolled {
    padding: 0.75rem 0;
    background: rgba(0, 0, 0, 0.95);
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.logo {
    font-family: var(--font-h);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}
.nav-links a {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.4rem 0.6rem;
    border-radius: 99px;
    white-space: nowrap;
    transition: color 0.2s, background 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
    background: rgba(255, 255, 255, 0.08);
}
.nav-links a.active { color: var(--accent); }

/* Hamburger */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    z-index: 1100;
}
.menu-btn span {
    display: block;
    width: 24px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s var(--ease), opacity 0.3s;
}
.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Drawer */
.mobile-nav {
    display: none;
    position: fixed; top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--bg-2);
    border-left: 1px solid var(--border);
    z-index: 1050;
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
}
.mobile-nav.open {
    display: flex;
    transform: translateX(0);
}
.mobile-nav a {
    font-family: var(--font-h);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}
.mobile-nav a:hover { color: var(--accent); background: var(--accent-glow); }
.nav-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1040;
    backdrop-filter: blur(4px);
}
.nav-overlay.open { display: block; }

/* ─── Hero ───────────────────────────────────────── */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 90px;
    position: relative;
}
.hero-content {
    display: flex; flex-direction: column;
    align-items: center; width: 100%;
}

/* Profile image */
.profile-img-container {
    position: relative; margin-bottom: 2rem;
    display: inline-block;
}
.profile-ring {
    position: absolute; inset: -8px;
    border-radius: 50%;
    background: conic-gradient(var(--accent), var(--accent-2), var(--accent));
    animation: spin 6s linear infinite;
    z-index: 0;
}
.profile-ring-mask {
    position: absolute; inset: -4px;
    background: var(--bg);
    border-radius: 50%;
    z-index: 1;
}
@keyframes spin { to { transform: rotate(360deg); } }
.profile-img {
    width: 160px; height: 160px;
    object-fit: cover;
    border-radius: 50%;
    position: relative; z-index: 2;
    border: 3px solid var(--bg);
    box-shadow: var(--shadow-glow);
    transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.profile-img:hover {
    transform: scale(1.06);
    box-shadow: 0 0 60px rgba(255, 186, 73, 0.35);
}

/* Available badge */
.available-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(255, 186, 73, 0.1);
    border: 1px solid rgba(255, 186, 73, 0.35);
    color: var(--accent);
    padding: 0.35rem 1rem;
    border-radius: 99px;
    font-size: 0.82rem;
    font-weight: 700;
    font-family: var(--font-h);
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}
.available-dot {
    width: 7px; height: 7px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-subtitle {
    color: var(--text-muted);
    font-family: var(--font-h);
    font-size: 1rem;
    margin-bottom: 0.5rem;
    display: block;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 600;
}
.hero-title {
    font-family: var(--font-h);
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -1px;
    margin-bottom: 0.75rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-role {
    font-family: var(--font-h);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    font-weight: 500;
    min-height: 2rem;
}
.typed-cursor {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-description {
    max-width: 680px;
    color: var(--text-muted);
    margin: 0 auto 2.25rem;
    font-size: 1.05rem;
    line-height: 1.75;
    text-align: center;
}
.hero-description strong { color: #ffffff; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.social-links {
    margin-top: 2.5rem;
    display: flex; gap: 1rem;
}
.social-links a {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    border-radius: 50%;
    color: var(--text-muted);
    font-size: 1.2rem;
    border: 1px solid var(--border);
    background: var(--card);
    transition: color 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.social-links a:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 186, 73, 0.25);
}
.social-links a.github-premium {
    color: #ffba49;
    border-color: rgba(255, 186, 73, 0.5);
    background: rgba(255, 186, 73, 0.08);
    box-shadow: 0 0 16px rgba(255, 186, 73, 0.25);
}
.social-links a.github-premium:hover {
    color: #000000;
    background: #ffba49;
    border-color: #ffba49;
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 8px 25px rgba(255, 186, 73, 0.6), 0 0 35px rgba(255, 186, 73, 0.4);
}

/* ─── Achievements ───────────────────────────────── */
.achievements-section { padding: 1.5rem 0 4.5rem; }
.achievements-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.achievement-card {
    background: #0d0d0d;
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 1.35rem 1.6rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s, background 0.3s;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}
.achievement-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 186, 73, 0.45);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(255, 186, 73, 0.12);
    background: #111111;
}
.achievement-card:hover .icon-box {
    transform: scale(1.08);
    background: var(--accent);
    color: #000000;
}
.icon-box {
    font-size: 1.6rem;
    color: var(--accent);
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 186, 73, 0.08);
    border: 1px solid rgba(255, 186, 73, 0.22);
    border-radius: 12px;
    flex-shrink: 0;
    transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}
.achievement-content {
    display: flex;
    flex-direction: column;
}
.achievement-content h3 {
    font-family: var(--font-h);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
    font-weight: 700;
}
.achievement-content .highlight {
    font-size: 1.22rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.25;
}
.achievement-sub {
    font-size: 0.75rem;
    color: rgba(255, 186, 73, 0.85);
    font-weight: 500;
    margin-top: 0.2rem;
}

/* ─── About ──────────────────────────────────────── */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 3rem;
}
.about-content > p {
    color: var(--text-muted);
    line-height: 1.85;
    font-size: 0.98rem;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
}
.about-content > p:first-child { grid-column: 1 / -1; }
.about-content strong { color: #ffffff; font-weight: 700; }

/* ─── About Highlights (B2B, B2C, PM, Robotics) ──── */
.about-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
    grid-column: 1 / -1;
}
.about-highlight-card {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.15rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.about-highlight-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 186, 73, 0.4);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 186, 73, 0.08);
    background: #121212;
}
.about-highlight-card i {
    font-size: 1.4rem;
    color: var(--accent);
    background: rgba(255, 186, 73, 0.08);
    border: 1px solid rgba(255, 186, 73, 0.2);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}
.about-highlight-card:hover i {
    transform: scale(1.08);
    background: var(--accent);
    color: #000000;
}
.about-highlight-card h4 {
    font-family: var(--font-h);
    font-size: 0.92rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.2rem;
    letter-spacing: 0.3px;
}
.about-highlight-card p {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin: 0;
    text-align: left !important;
}

/* ─── International Clients & Companies (One-Line Ticker & Badges) ─── */
.clients-marquee-section {
    padding: 3.5rem 0 4rem;
    position: relative;
    overflow: hidden;
}
.clients-pill-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    background: rgba(255, 186, 73, 0.08);
    border: 1px solid rgba(255, 186, 73, 0.25);
    padding: 0.35rem 0.85rem;
    border-radius: 99px;
    margin-bottom: 0.85rem;
}

/* Continuous Horizontal Sliding Ribbon */
.company-ribbon-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 1rem 0;
    margin: 1rem 0 2rem;
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}
.company-ribbon-track {
    display: flex;
    gap: 1.25rem;
    width: max-content;
    animation: ribbonScroll 32s linear infinite;
}
.company-ribbon-track:hover {
    animation-play-state: paused;
}
@keyframes ribbonScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.company-brand-item {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(18, 18, 24, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.09);
    padding: 0.85rem 1.4rem;
    border-radius: 99px;
    white-space: nowrap;
    transition: all 0.25s var(--ease);
    cursor: default;
}
.company-brand-item:hover {
    background: rgba(255, 186, 73, 0.1);
    border-color: rgba(255, 186, 73, 0.6);
    box-shadow: 0 0 22px rgba(255, 186, 73, 0.35);
    transform: translateY(-3px) scale(1.04);
}
.c-brand-icon {
    font-size: 1.15rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}
.c-brand-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    font-family: var(--font-h);
    letter-spacing: 0.2px;
}
.c-brand-tag {
    font-size: 0.72rem;
    font-weight: 600;
    color: #a1a1aa;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.2rem 0.55rem;
    border-radius: 99px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Single-Line / Interactive Wrap Row */
.company-badges-line {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 0.85rem;
    max-width: 1100px;
    margin: 0.5rem auto 0;
}
.company-brand-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 1.15rem;
    background: rgba(15, 15, 20, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    transition: all 0.25s var(--ease);
    cursor: default;
}
.company-brand-pill:hover {
    background: rgba(255, 186, 73, 0.09);
    border-color: rgba(255, 186, 73, 0.55);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 186, 73, 0.25);
}
.company-brand-pill .c-icon {
    color: var(--accent);
    font-size: 0.95rem;
}
.company-brand-pill .c-name {
    color: #f4f4f5;
    font-weight: 700;
    font-size: 0.9rem;
    font-family: var(--font-h);
}
.company-brand-pill:hover .c-name {
    color: #ffffff;
}
.company-brand-pill .c-flag {
    font-size: 0.7rem;
    color: #a1a1aa;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ─── Experience Grid & Uniform Hover Expansion ──── */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    margin-bottom: 3rem;
    align-items: start;
}

/* Fixed uniform height for all cards — strictly stays in place */
.exp-card-cell {
    height: 410px;
    display: flex;
    flex-direction: column;
}

/* The card itself: strictly 410px uniform height, opens internally on hover */
.exp-card {
    position: relative;
    width: 100%;
    height: 100%;
    max-height: 410px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.25s ease;
}

/* Gradient accent bar on top */
.exp-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0.6;
    transition: opacity 0.3s, height 0.3s;
    z-index: 5;
}

/* Hover: highlights the card cleanly in-place without moving anything around it */
.exp-card-cell:hover .exp-card,
.exp-card-cell.is-expanded .exp-card {
    border-color: var(--accent);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), var(--shadow-glow);
    transform: translateY(-3px);
}

.exp-card-cell:hover .exp-card::before,
.exp-card-cell.is-expanded .exp-card::before {
    opacity: 1;
    height: 4px;
}

.exp-card-header {
    padding: 1.25rem 1.4rem 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(18, 18, 24, 0.98);
    flex-shrink: 0;
}

.exp-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.55rem;
    flex-wrap: wrap;
}

.exp-date {
    font-size: 0.76rem;
    color: var(--accent);
    font-weight: 700;
    font-family: var(--font-h);
    background: rgba(255, 186, 73, 0.1);
    padding: 0.2rem 0.65rem;
    border-radius: 99px;
    border: 1px solid rgba(255, 186, 73, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.exp-badge {
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--font-h);
    padding: 0.18rem 0.6rem;
    border-radius: 99px;
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    border: 1px solid rgba(0, 212, 255, 0.25);
}

.exp-title {
    font-family: var(--font-h);
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.35;
    margin-bottom: 0.35rem;
}

.exp-company {
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.exp-company i {
    color: var(--accent);
    font-size: 0.78rem;
}

/* Body with fade mask in normal state */
.exp-card-body {
    padding: 1.1rem 1.4rem 0.8rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: hidden;
    position: relative;
    mask-image: linear-gradient(to bottom, #000 65%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, #000 65%, transparent 100%);
    transition: mask-image 0.3s ease, -webkit-mask-image 0.3s ease;
}

/* On hover, opens ALL bullets right in the same place with custom smooth scroll */
.exp-card-cell:hover .exp-card-body,
.exp-card-cell.is-expanded .exp-card-body {
    overflow-y: auto;
    mask-image: none;
    -webkit-mask-image: none;
    padding-right: 1.1rem;
}

/* Custom Cyber Gold Scrollbar for card body */
.exp-card-body::-webkit-scrollbar {
    width: 5px;
}
.exp-card-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 99px;
}
.exp-card-body::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 99px;
    box-shadow: 0 0 8px rgba(255, 186, 73, 0.5);
}
.exp-card-body::-webkit-scrollbar-thumb:hover {
    background: #ffc973;
}

.exp-card-body {
    scrollbar-width: thin;
    scrollbar-color: var(--accent) rgba(255, 255, 255, 0.04);
}

.exp-role-desc {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent);
    margin-bottom: 0.75rem;
    font-family: var(--font-h);
    line-height: 1.4;
    flex-shrink: 0;
}

.exp-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.exp-bullets li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--text-muted);
    font-size: 0.87rem;
    line-height: 1.6;
    text-align: justify;
    text-justify: inter-word;
}

.exp-bullets li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
}

.exp-bullets li strong {
    color: #ffffff;
    font-weight: 700;
}

.exp-bullets li code {
    background: rgba(255, 186, 73, 0.1);
    color: var(--accent);
    padding: 0.1em 0.35em;
    border-radius: 4px;
    font-size: 0.82em;
}

/* Subtle Expand Hint Bar at Bottom of Card */
.exp-card-hint {
    margin-top: auto;
    padding: 0.45rem 1.2rem;
    background: rgba(10, 10, 15, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.74rem;
    font-family: var(--font-h);
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--accent);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.exp-card-hint i {
    color: var(--accent);
    transition: transform 0.3s ease;
}

.exp-card-cell:hover .exp-card-hint i,
.exp-card-cell.is-expanded .exp-card-hint i {
    transform: rotate(180deg);
}

.exp-card-cell:hover .exp-card-hint,
.exp-card-cell.is-expanded .exp-card-hint {
    background: rgba(255, 186, 73, 0.12);
    color: #ffffff;
}

/* Pagination bar */
.exp-pagination-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding: 1.25rem 1.75rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
}
.exp-pagination-status {
    font-family: var(--font-h);
    font-size: 0.92rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.exp-pagination-status strong {
    color: #ffffff;
    font-weight: 800;
}
.exp-pagination-status i {
    color: var(--accent);
}
.exp-pagination-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.exp-nav-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.55rem 1.25rem;
    border-radius: 99px;
    font-family: var(--font-h);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: all 0.25s var(--ease);
}
.exp-nav-btn:hover:not(:disabled) {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 186, 73, 0.4);
}
.exp-nav-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}
.exp-page-pills {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.exp-page-pill {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-h);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}
.exp-page-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.exp-page-pill.active {
    background: var(--gradient);
    color: #000;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 186, 73, 0.4);
}


/* ─── Freelancing Jobs Section ───────────────────── */
.freelancing-section { padding: 6rem 0; }
.freelancing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}
.freelance-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
    display: flex; flex-direction: column;
    position: relative;
}
.freelance-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s;
}
.freelance-card:hover::before { opacity: 1; }
.freelance-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), var(--shadow-glow);
}
.freelance-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
    transition: transform 0.4s var(--ease);
}
.freelance-card:hover .freelance-card-img {
    transform: scale(1.03);
}
.freelance-card-img-wrapper {
    overflow: hidden;
    position: relative;
}
.freelance-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex; flex-direction: column;
}
.freelance-card-body h3 {
    font-family: var(--font-h);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text);
    line-height: 1.35;
}
.freelance-card-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    flex: 1;
    text-align: justify;
    text-justify: inter-word;
}
.freelance-badge {
    display: inline-block;
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-h);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    border: 1px solid rgba(255, 186, 73, 0.25);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─── Research Projects Section ──────────────────── */
/* ─── Research Projects Section ──────────────────── */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 2rem;
}
.research-card {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.research-card::after {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s;
}
.research-card:hover::after { opacity: 1; }
.research-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 186, 73, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), 0 0 35px rgba(255, 186, 73, 0.1);
}
.research-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}
.research-card-icon {
    font-size: 1.3rem;
    color: var(--accent);
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 186, 73, 0.1);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 186, 73, 0.2);
}
.research-card h3 {
    font-family: var(--font-h);
    font-size: 1.12rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.45;
    margin-bottom: 0.85rem;
}
.research-card .research-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-h);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    background: rgba(167, 139, 250, 0.12);
    color: #c4b5fd;
    border: 1px solid rgba(167, 139, 250, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.research-card .research-status.status-published {
    background: rgba(74, 222, 128, 0.12);
    color: #4ade80;
    border-color: rgba(74, 222, 128, 0.3);
}
.research-desc {
    color: #d4d4d8;
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex: 1;
    text-align: justify;
    text-justify: inter-word;
}
.research-figures-section {
    margin: 1.25rem 0;
    padding: 1.1rem;
    background: rgba(0, 0, 0, 0.6);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.figures-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.85rem;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    font-family: var(--font-h);
}
.research-figures-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.65rem;
}
.research-figure-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    border: 1px solid rgba(255, 255, 255, 0.12);
    aspect-ratio: 4/3;
    cursor: zoom-in;
    transition: border-color 0.2s, transform 0.2s;
}
.research-figure-item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}
.research-figure-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}
.research-figure-item:hover img {
    transform: scale(1.1);
}
.fig-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: rgba(0, 0, 0, 0.88);
    font-size: 0.62rem;
    font-weight: 600;
    color: #ffffff;
    padding: 3px 4px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.85rem;
}
.research-tags span {
    font-size: 0.76rem;
    font-weight: 600;
    padding: 0.22rem 0.65rem;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color 0.2s, color 0.2s;
}
.research-tags span:hover {
    border-color: rgba(255, 186, 73, 0.4);
    color: var(--accent);
}
.research-actions {
    margin-top: 1.25rem;
}

/* ─── Reviewer / Certificates Section ────────────── */
.reviewer-section { padding: 6rem 0; }
.reviewer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.75rem;
}
.reviewer-card {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}
.reviewer-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 186, 73, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 186, 73, 0.1);
}
.reviewer-card-img-wrapper {
    overflow: hidden;
    height: 250px;
    background: #040404;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    position: relative;
}
.reviewer-card-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
    transition: transform 0.4s var(--ease), box-shadow 0.4s;
    cursor: zoom-in;
}
.reviewer-card:hover .reviewer-card-img {
    transform: scale(1.03);
    box-shadow: 0 8px 30px rgba(255, 186, 73, 0.25);
}
.cert-zoom-hint {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid rgba(255, 186, 73, 0.4);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: 99px;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s;
    font-family: var(--font-h);
}
.reviewer-card:hover .cert-zoom-hint {
    opacity: 1;
}
.reviewed-paper-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin: 0.85rem 0;
}
.reviewed-paper-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    font-weight: 700;
    display: block;
    margin-bottom: 0.35rem;
    font-family: var(--font-h);
}
.reviewed-paper-title {
    font-size: 0.88rem;
    color: #ffffff;
    font-weight: 700;
    line-height: 1.45;
}
.reviewed-paper-meta {
    font-size: 0.76rem;
    color: #a1a1aa;
    margin-top: 0.45rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.wos-tag {
    background: rgba(255, 186, 73, 0.12);
    color: var(--accent);
    border: 1px solid rgba(255, 186, 73, 0.3);
    padding: 0.15rem 0.55rem;
    border-radius: 99px;
    font-weight: 600;
    font-size: 0.72rem;
}
.reviewer-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.reviewer-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}
.cert-year {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.2rem 0.65rem;
    border-radius: 99px;
    font-family: var(--font-h);
}
.reviewer-card-body h4 {
    font-family: var(--font-h);
    font-size: 1.05rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.4rem;
    line-height: 1.35;
}
.cert-id {
    font-size: 0.82rem;
    color: var(--accent);
    margin-bottom: 0.65rem;
    font-family: var(--font-b);
}
.cert-id strong {
    color: #ffffff;
    letter-spacing: 0.5px;
}
.cert-desc {
    color: #d4d4d8;
    font-size: 0.86rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex: 1;
    text-align: justify;
    text-justify: inter-word;
}
.reviewer-actions {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
    align-items: center;
}
.cert-btn-view {
    background: transparent;
    border: 1px solid rgba(255, 186, 73, 0.4);
    color: var(--accent);
    padding: 0.45rem 1rem;
    border-radius: 99px;
    font-family: var(--font-h);
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}
.cert-btn-view:hover {
    background: var(--accent);
    color: #000;
    transform: translateY(-2px);
}
.cert-btn-pdf {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #f87171;
    padding: 0.45rem 1rem;
    border-radius: 99px;
    font-family: var(--font-h);
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}
.cert-btn-pdf:hover {
    background: #ef4444;
    color: #fff;
    transform: translateY(-2px);
}
.reviewer-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: var(--font-h);
    padding: 0.2rem 0.6rem;
    border-radius: 99px;
    background: rgba(56, 189, 248, 0.12);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.25);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.reviewer-badge.badge-blue {
    background: rgba(99, 102, 241, 0.12);
    color: #818cf8;
    border-color: rgba(99, 102, 241, 0.3);
}
.reviewer-badge.badge-green {
    background: rgba(52, 211, 153, 0.12);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.3);
}

/* ─── Image Lightbox ─────────────────────────────── */
.lightbox-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.94);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    cursor: zoom-out;
}
.lightbox-overlay.active {
    display: flex;
}
.lightbox-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 92vw;
    max-height: 92vh;
    cursor: default;
}
.lightbox-container img {
    max-width: 92vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.95);
    cursor: zoom-out;
}
.lightbox-caption {
    margin-top: 1rem;
    color: #ffffff;
    font-family: var(--font-h);
    font-size: 0.92rem;
    font-weight: 600;
    background: rgba(20, 20, 20, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.55rem 1.4rem;
    border-radius: 99px;
    max-width: 820px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.3px;
}
.lightbox-close {
    position: absolute;
    top: 1.5rem; right: 2rem;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 48px; height: 48px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, transform 0.2s;
    z-index: 10001;
}
.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

/* ─── My Products / Ranbval Ecosystem ────────────── */
.products-section {
    position: relative;
    padding-bottom: 5rem;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.25);
    padding: 0.4rem 1.1rem;
    border-radius: 99px;
    margin-bottom: 0.85rem;
}
.accent-link {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s;
}
.accent-link:hover {
    color: #ffffff;
    text-decoration: underline;
}
.ranbval-root-banner {
    background: linear-gradient(135deg, rgba(13, 17, 24, 0.95), rgba(7, 10, 16, 0.95));
    border: 1px solid rgba(0, 212, 255, 0.35);
    border-radius: var(--radius);
    padding: 2rem 2.5rem;
    margin-bottom: 2.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 212, 255, 0.08);
    position: relative;
    overflow: hidden;
}
.ranbval-root-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #7c9cff, #34d399);
}
.root-banner-left {
    flex: 1;
}
.root-brand-badge {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    margin-bottom: 0.85rem;
}
.root-mark {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #00d4ff, #0055ff);
    color: #ffffff;
    font-size: 1.6rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    font-family: var(--font-h);
}
.root-brand-title {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    font-family: var(--font-h);
    letter-spacing: 0.5px;
}
.root-brand-url {
    display: block;
    font-size: 0.85rem;
    color: #00d4ff;
    font-weight: 600;
}
.root-brand-desc {
    font-size: 0.95rem;
    color: #d4d4d8;
    line-height: 1.65;
    font-style: italic;
    text-align: justify;
    text-justify: inter-word;
}
.root-banner-right {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-shrink: 0;
}
.products-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.75rem;
}
.product-showcase-card {
    background: #0d0d12;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    border-top: 3px solid var(--prod-accent, var(--accent));
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}
.product-showcase-card:hover {
    transform: translateY(-8px);
    border-color: var(--prod-accent, var(--accent));
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.8), 0 0 25px rgba(0, 212, 255, 0.15);
}
.product-showcase-card.live-card {
    border-color: rgba(0, 212, 255, 0.35);
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.04) 0%, #0d0d12 100%);
}
.product-showcase-card.live-card:hover {
    border-color: #00d4ff;
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 212, 255, 0.25);
}
.prod-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}
.prod-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--prod-accent, var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: transform 0.3s, background 0.3s;
}
.product-showcase-card:hover .prod-icon-box {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.08);
}
.prod-status-pill {
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 0.35rem 0.85rem;
    border-radius: 99px;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}
.prod-status-pill.pill-live {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.4);
    box-shadow: 0 0 15px rgba(52, 211, 153, 0.2);
}
.prod-status-pill.pill-building {
    background: rgba(34, 211, 238, 0.12);
    color: #22d3ee;
    border: 1px solid rgba(34, 211, 238, 0.35);
}
.prod-status-pill.pill-concept {
    background: rgba(255, 255, 255, 0.06);
    color: #a1a1aa;
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.pulsing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 8px #34d399;
    animation: pulseDot 2s infinite ease-in-out;
}
@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}
.prod-domain-chip {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--prod-accent, var(--accent));
    margin-bottom: 0.6rem;
    display: inline-block;
}
.prod-domain-chip a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s;
}
.prod-domain-chip a:hover {
    text-decoration: underline;
    opacity: 0.85;
}
.prod-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.3rem;
    font-family: var(--font-h);
}
.prod-tagline {
    font-size: 0.88rem;
    font-weight: 600;
    color: #e4e4e7;
    margin-bottom: 0.85rem;
    display: block;
}
.prod-desc {
    font-size: 0.88rem;
    color: #a1a1aa;
    line-height: 1.65;
    margin-bottom: 1.25rem;
    flex-grow: 1;
    text-align: justify;
    text-justify: inter-word;
}
.prod-desc code {
    background: rgba(255, 255, 255, 0.08);
    color: #00d4ff;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.82rem;
}
.prod-features-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 1.5rem;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.prod-features-list span {
    font-size: 0.82rem;
    color: #d4d4d8;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.prod-features-list span i {
    color: var(--prod-accent, var(--accent));
    font-size: 0.75rem;
}
.prod-card-footer {
    margin-top: auto;
}
.prod-card-footer .btn {
    margin-left: 0;
    width: 100%;
    justify-content: center;
    border-radius: 10px;
    font-size: 0.88rem;
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.25s var(--ease);
}
.btn-live-launch {
    background: linear-gradient(135deg, #00d4ff, #0066ff);
    color: #ffffff;
    box-shadow: 0 4px 18px rgba(0, 212, 255, 0.35);
    border: none;
}
.btn-live-launch:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.55);
    color: #ffffff;
}
.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #e4e4e7;
}
.btn-outline:hover {
    border-color: var(--prod-accent, var(--accent));
    color: var(--prod-accent, var(--accent));
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
.btn-block {
    width: 100%;
    justify-content: center;
    text-align: center;
}
.prod-packages-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.15rem;
    padding-top: 0.85rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
}
.pkg-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    padding: 0.4rem 0.7rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.22s var(--ease);
}
.pkg-chip.pkg-python {
    background: rgba(56, 189, 248, 0.09);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.28);
}
.pkg-chip.pkg-python:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: #38bdf8;
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
    color: #ffffff;
    transform: translateY(-1px);
}
.pkg-chip.pkg-npm {
    background: rgba(248, 113, 113, 0.09);
    color: #f87171;
    border: 1px solid rgba(248, 113, 113, 0.28);
}
.pkg-chip.pkg-npm:hover {
    background: rgba(248, 113, 113, 0.2);
    border-color: #ef4444;
    box-shadow: 0 0 14px rgba(248, 113, 113, 0.35);
    color: #ffffff;
    transform: translateY(-1px);
}
.pkg-dl-tag {
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-weight: 700;
    margin-left: 0.2rem;
}
.ecosystem-footer-note {
    margin-top: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 1.25rem 1.75rem;
}
.eco-note-content {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.88rem;
    color: #a1a1aa;
    line-height: 1.6;
}
.eco-note-icon {
    font-size: 1.5rem;
    color: #fb923c;
    flex-shrink: 0;
}
.eco-note-content strong {
    color: #ffffff;
}

/* ─── Projects ───────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 1.5rem;
}
.project-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
    display: flex; flex-direction: column;
    position: relative;
}
.project-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), var(--shadow-glow);
}
.project-content {
    padding: 1.75rem;
    flex: 1;
    display: flex; flex-direction: column;
}
.project-content h3 {
    font-family: var(--font-h);
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text);
    line-height: 1.35;
}
.tech-stack {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
    font-family: var(--font-h);
    letter-spacing: 0.3px;
    text-align: left;
}
.project-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex: 1;
    text-align: justify;
    text-justify: inter-word;
}
.project-links { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.project-links a {
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-h);
    color: var(--accent);
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.35rem 0.85rem;
    border: 1px solid rgba(255, 186, 73, 0.3);
    border-radius: 99px;
    transition: background 0.2s, color 0.2s;
}
.project-links a:hover {
    background: var(--accent-glow);
}

/* ─── Domains of Expertise / Fields ──────────────── */
.fields-section {
    position: relative;
}
.fields-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}
.field-card {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.85rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
}
.field-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.35s var(--ease);
}
.field-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 186, 73, 0.45);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.75), 0 0 25px rgba(255, 186, 73, 0.12);
    background: #111111;
}
.field-card:hover::before {
    opacity: 1;
}
.field-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}
.field-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(255, 186, 73, 0.08);
    border: 1px solid rgba(255, 186, 73, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.4rem;
    transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.field-card:hover .field-icon-box {
    transform: scale(1.08);
    background: var(--accent);
    color: #000000;
    border-color: transparent;
    box-shadow: 0 0 20px rgba(255, 186, 73, 0.4);
}
.field-badge {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.25);
    padding: 0.3rem 0.75rem;
    border-radius: 99px;
}
.field-title {
    font-family: var(--font-h);
    font-size: 1.22rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.35rem;
    letter-spacing: 0.3px;
    transition: color 0.3s;
}
.field-card:hover .field-title {
    color: var(--accent);
}
.field-role {
    font-family: var(--font-b);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 186, 73, 0.9);
    margin-bottom: 1rem;
}
.field-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.4rem;
    text-align: justify;
    text-justify: inter-word;
    flex-grow: 1;
}
.field-competencies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.field-competencies span {
    font-size: 0.76rem;
    font-weight: 500;
    color: #d1d1d1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.28rem 0.65rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: default;
}
.field-competencies span:hover {
    background: rgba(255, 186, 73, 0.15);
    color: var(--accent);
    border-color: rgba(255, 186, 73, 0.35);
    transform: translateY(-1px);
}

/* ─── Skills ─────────────────────────────────────── */
.skills-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.75rem;
}
.skill-category {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: border-color 0.3s, transform 0.3s;
}
.skill-category:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
}
.skill-category h3 {
    font-family: var(--font-h);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 700;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.skill-tags span {
    background: rgba(255, 186, 73, 0.08);
    color: var(--accent);
    border: 1px solid rgba(255, 186, 73, 0.2);
    padding: 0.35rem 0.85rem;
    border-radius: 99px;
    font-size: 0.82rem;
    font-weight: 600;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
    cursor: default;
}
.skill-tags span:hover {
    background: var(--accent);
    color: #000;
    border-color: transparent;
    transform: scale(1.05);
}

/* ─── Publications & Peer Reviews ────────────────── */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.pub-card {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.75rem;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}
.pub-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.25s;
}
.pub-card:hover::before { opacity: 1; }
.pub-card:hover {
    border-color: rgba(255, 186, 73, 0.4);
    transform: translateX(4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
}
.pub-card-left {
    flex: 1;
}
.pub-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.45;
    margin-bottom: 0.65rem;
    display: block;
    font-family: var(--font-h);
}
.pub-card-title a {
    color: #ffffff;
    transition: color 0.2s;
}
.pub-card-title a:hover {
    color: var(--accent);
}
.pub-card-pills {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
}
.pub-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: #d4d4d8;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.3rem 0.75rem;
    border-radius: 99px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: 500;
}
.pub-pill.pill-accent {
    background: var(--accent-glow);
    color: var(--accent);
    border-color: rgba(255, 186, 73, 0.3);
    font-weight: 700;
}
.pub-pill.pill-wos {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.25);
    font-weight: 600;
}
.pub-pill.pill-primary {
    background: rgba(74, 222, 128, 0.1);
    color: #4ade80;
    border-color: rgba(74, 222, 128, 0.25);
    font-weight: 700;
}
.pub-pill.pill-production {
    background: rgba(16, 185, 129, 0.16);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.4);
    font-weight: 800;
    letter-spacing: 0.5px;
}
.pub-pill.pill-submitted {
    background: rgba(167, 139, 250, 0.15);
    color: #c4b5fd;
    border-color: rgba(167, 139, 250, 0.35);
    font-weight: 700;
}
.pub-pill.pill-jisrc {
    background: rgba(255, 186, 73, 0.12);
    color: var(--accent);
    border-color: rgba(255, 186, 73, 0.35);
    font-weight: 700;
}
.pub-card-authors {
    font-size: 0.84rem;
    color: #a1a1aa;
    margin-bottom: 0.45rem;
    font-weight: 500;
}
.pub-card-authors strong {
    color: #ffffff;
}
.pub-card-desc {
    font-size: 0.88rem;
    color: #d4d4d8;
    line-height: 1.65;
    margin-bottom: 0.85rem;
    text-align: justify;
    text-justify: inter-word;
}
.pub-card-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    flex-shrink: 0;
}
.pub-cert-thumb-box {
    position: relative;
    width: 105px;
    height: 75px;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    border: 1px solid rgba(255, 186, 73, 0.3);
    cursor: zoom-in;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
}
.pub-cert-thumb-box:hover {
    border-color: var(--accent);
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 186, 73, 0.25);
}
.pub-cert-thumb-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 3px;
}
.pub-cert-btn {
    font-size: 0.74rem;
    font-weight: 700;
    font-family: var(--font-h);
    color: var(--accent);
    background: transparent;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: color 0.2s;
    letter-spacing: 0.3px;
}
.pub-cert-btn:hover {
    color: #ffffff;
}

/* ─── Education & Awards Grid ────────────────────── */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}
.grid-2-col .section-header {
    text-align: left;
    margin-bottom: 1.5rem;
}
.grid-2-col .line {
    margin: 0.5rem 0 1rem;
}

.edu-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.edu-item:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6), 0 0 35px rgba(255, 186, 73, 0.12);
}
.edu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
}
.edu-item h3 {
    font-family: var(--font-h);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.35;
}
.institution {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    font-size: 0.88rem;
    margin-bottom: 0.85rem;
    font-weight: 500;
}
.edu-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}
.edu-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: auto;
}
.edu-tags span {
    background: rgba(255, 186, 73, 0.08);
    color: var(--accent);
    border: 1px solid rgba(255, 186, 73, 0.2);
    padding: 0.25rem 0.65rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
}
.edu-tags span:hover {
    background: rgba(255, 186, 73, 0.16);
    border-color: var(--accent);
}

/* ─── Academic Badges & Toggle Button ──────────────── */
.edu-meta-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0 1rem;
}
.edu-badge-item {
    font-size: 0.76rem;
    font-weight: 600;
    padding: 0.2rem 0.65rem;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.edu-badge-item.highlight {
    color: var(--accent);
    background: var(--accent-glow);
    border-color: rgba(255, 186, 73, 0.3);
}

.btn-toggle-coursework {
    margin-top: 1.25rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1.15rem;
    border-radius: 9px;
    background: rgba(255, 186, 73, 0.08);
    border: 1px solid rgba(255, 186, 73, 0.28);
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-toggle-coursework .btn-toggle-left {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}
.btn-toggle-coursework .btn-toggle-left i {
    color: var(--accent);
    font-size: 1.05rem;
    transition: transform 0.25s ease;
}
.btn-toggle-coursework .btn-toggle-arrow {
    color: var(--accent);
    font-size: 0.82rem;
    transition: transform 0.25s ease, color 0.25s ease;
}
.btn-toggle-coursework:hover {
    background: var(--gradient);
    border-color: transparent;
    color: #000;
    box-shadow: 0 6px 25px rgba(255, 186, 73, 0.4);
    transform: translateY(-2px);
}
.btn-toggle-coursework:hover .btn-toggle-left i,
.btn-toggle-coursework:hover .btn-toggle-arrow {
    color: #000;
}
.btn-toggle-coursework:hover .btn-toggle-arrow {
    transform: translateX(4px);
}

/* ─── Coursework & Transcript Modal ────────────── */
.coursework-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.coursework-modal-overlay.active {
    display: flex;
    opacity: 1;
}
.coursework-modal-dialog {
    background: #0d0d0d;
    border: 1px solid rgba(255, 186, 73, 0.3);
    border-radius: var(--radius);
    max-width: 980px;
    width: 100%;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.9), 0 0 50px rgba(255, 186, 73, 0.12);
    overflow: hidden;
    transform: scale(0.96);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.coursework-modal-overlay.active .coursework-modal-dialog {
    transform: scale(1);
}
.coursework-modal-header {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.02);
}
.coursework-modal-header h3 {
    font-family: var(--font-h);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.coursework-modal-header h3 i {
    color: var(--accent);
}
.coursework-modal-header p {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-top: 0.2rem;
}
.coursework-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.coursework-modal-close:hover {
    background: rgba(255, 107, 107, 0.2);
    border-color: #ff6b6b;
    color: #ff6b6b;
    transform: rotate(90deg);
}
.coursework-modal-body {
    padding: 1.5rem 1.75rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.coursework-modal-body::-webkit-scrollbar {
    width: 6px;
}
.coursework-modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 186, 73, 0.3);
    border-radius: 99px;
}
.coursework-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

.modal-section-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.85rem;
}

.coursework-clusters-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
}
@media (max-width: 768px) {
    .coursework-clusters-grid {
        grid-template-columns: 1fr;
    }
}
.coursework-cluster-group {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 0.85rem 1rem;
}
.coursework-cluster-title {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-dim);
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}
.coursework-cluster-title i {
    color: var(--accent);
}
.coursework-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.coursework-pills span {
    font-size: 0.76rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}
.coursework-pills span strong {
    color: var(--accent);
    font-weight: 700;
}
.coursework-pills span:hover {
    border-color: var(--border-accent);
    color: var(--text);
    background: rgba(255, 186, 73, 0.08);
}

.semester-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
}
@media (max-width: 900px) {
    .semester-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 550px) {
    .semester-grid {
        grid-template-columns: 1fr;
    }
}
.semester-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 0.75rem 0.85rem;
}
.semester-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.55rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 0.35rem;
}
.semester-sgpa {
    font-size: 0.72rem;
    color: var(--text-dim);
    font-weight: 600;
}
.semester-course-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.semester-course-item {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.4rem;
}
.semester-course-item span.grade {
    font-weight: 700;
    font-size: 0.68rem;
    color: var(--accent);
    background: rgba(255, 186, 73, 0.12);
    padding: 0.05rem 0.32rem;
    border-radius: 4px;
    flex-shrink: 0;
}

.coursework-modal-footer {
    padding: 1rem 1.75rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    flex-wrap: wrap;
    gap: 0.75rem;
}
.transcript-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: 99px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(255, 186, 73, 0.3);
    cursor: pointer;
    transition: all 0.25s ease;
}
.transcript-btn:hover {
    background: var(--accent);
    color: #000;
    transform: translateY(-1px);
}

.year {
    display: inline-block;
    font-size: 0.78rem;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.22rem 0.65rem;
    border-radius: 99px;
    border: 1px solid rgba(255, 186, 73, 0.25);
    font-weight: 700;
    white-space: nowrap;
}

/* ─── Awards & Grants Cards ────────────────────────── */
.award-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.35rem;
    margin-bottom: 1rem;
    position: relative;
    transition: all 0.3s var(--ease);
}
.award-card:last-child {
    margin-bottom: 0;
}
.award-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}
.award-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.65rem;
}
.award-badge {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.22rem 0.65rem;
    border-radius: 99px;
    border: 1px solid rgba(255, 186, 73, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.award-badge.badge-merit {
    color: #4da6ff;
    background: rgba(77, 166, 255, 0.12);
    border-color: rgba(77, 166, 255, 0.25);
}
.award-badge.badge-process {
    color: #a78bfa;
    background: rgba(167, 139, 250, 0.12);
    border-color: rgba(167, 139, 250, 0.3);
}
.award-title {
    font-family: var(--font-h);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.25rem;
}
.award-subtitle {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.award-desc {
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* ─── Certifications Full-Width Grid ───────────────── */
.certs-block {
    margin-top: 4.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.cert-category-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s var(--ease);
}
.cert-category-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.cert-category-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.15rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border);
}
.cert-cat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent-glow);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.cert-category-header h4 {
    font-family: var(--font-h);
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.25;
}
.cert-cat-subtitle {
    font-size: 0.78rem;
    color: var(--text-dim);
}
.cert-items-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex-grow: 1;
}
.cert-mini-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s var(--ease);
}
.cert-mini-item:hover {
    background: var(--card-hover);
    border-color: var(--border-accent);
    color: var(--text);
    transform: translateX(3px);
}
.cert-mini-left {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}
.cert-mini-left i {
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}
.cert-mini-left span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cert-verify-tag {
    font-size: 0.72rem;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    opacity: 0.8;
    font-weight: 600;
    flex-shrink: 0;
    transition: opacity 0.2s;
}
.cert-mini-item:hover .cert-verify-tag {
    opacity: 1;
}

@media (max-width: 992px) {
    .certs-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

/* ─── Identifiers ────────────────────────────────── */
.identifiers-container {
    display: flex; justify-content: center;
    gap: 1.5rem; flex-wrap: wrap;
}
.sky-badge {
    padding: 0.8rem 1.75rem;
    border-radius: 99px;
    font-size: 0.9rem;
    font-family: var(--font-h);
    font-weight: 600;
    color: #fff;
    background: linear-gradient(270deg, #1a1a2e, #16213e, #ffba49, #16213e);
    background-size: 400% 400%;
    animation: skyMove 15s ease infinite;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}
.sky-badge:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(255, 186, 73, 0.3);
}
.sky-badge a {
    color: #fff; font-weight: 800;
    margin-left: 0.4rem;
    border-bottom: 1px solid rgba(255,255,255,0.5);
    transition: border-color 0.2s;
}
.sky-badge a:hover { border-bottom-color: #fff; }
@keyframes skyMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ─── Footer ─────────────────────────────────────── */
.footer {
    padding: 5rem 0 2.5rem;
    text-align: center;
    border-top: 1px solid var(--border);
}
.footer h2 {
    font-family: var(--font-h);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}
.contact-card {
    background: var(--card);
    border: 1px solid var(--border);
    max-width: 560px;
    margin: 2.5rem auto;
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    transition: border-color 0.3s;
}
.contact-card:hover { border-color: var(--border-accent); }
.contact-card p {
    margin-bottom: 1.75rem;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    font-weight: 500;
}
.footer-bottom {
    margin-top: 2.5rem;
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* ─── Back to Top ────────────────────────────────── */
#back-to-top {
    position: fixed;
    bottom: 2rem; right: 2rem;
    width: 44px; height: 44px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #000;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    opacity: 0; pointer-events: none;
    transform: translateY(12px);
    transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
    z-index: 900;
    box-shadow: 0 4px 20px rgba(255, 186, 73, 0.4);
    font-weight: 700;
}
#back-to-top.visible {
    opacity: 1; pointer-events: auto;
    transform: translateY(0);
}
#back-to-top:hover { box-shadow: 0 8px 30px rgba(255, 186, 73, 0.6); transform: translateY(-3px); }

/* ─── Scroll Reveal ──────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 1240px) {
    .nav-links { gap: 0.1rem; }
    .nav-links a { font-size: 0.77rem; padding: 0.35rem 0.48rem; }
}
@media (max-width: 1080px) {
    .nav-links { display: none; }
    .menu-btn { display: flex; }
}
@media (max-width: 1024px) {
    .experience-grid { grid-template-columns: repeat(2, 1fr); }
    .fields-grid { grid-template-columns: repeat(2, 1fr); }
    .about-highlights { grid-template-columns: repeat(2, 1fr); }
    .achievements-wrapper { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .about-content { grid-template-columns: 1fr; }
    .about-content > p:first-child { grid-column: 1; }
    .grid-2-col { grid-template-columns: 1fr; gap: 2.5rem; }
    .freelancing-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.6rem; }
    .hero-role { font-size: 1.1rem; }
    .profile-img { width: 130px; height: 130px; }
    .section { padding: 4rem 0; }
    .achievements-wrapper { grid-template-columns: 1fr; gap: 1rem; }
    .achievement-card { min-width: unset; width: 100%; }
    .experience-grid { grid-template-columns: 1fr; }
    .fields-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .skills-wrapper { grid-template-columns: 1fr 1fr; }
    .research-grid { grid-template-columns: 1fr; }
    .research-figures-grid { grid-template-columns: repeat(2, 1fr); }
    .reviewer-grid { grid-template-columns: 1fr; }
    .pub-card { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
    .pub-card-right { flex-direction: row; width: 100%; justify-content: space-between; border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 1rem; }
    #back-to-top { bottom: 1.25rem; right: 1.25rem; }
}
@media (max-width: 520px) {
    .skills-wrapper { grid-template-columns: 1fr; }
    .about-highlights { grid-template-columns: 1fr; }
    .hero-actions .btn-secondary { margin-left: 0; }
    .identifiers-container { flex-direction: column; align-items: center; }
    .exp-pagination-container { justify-content: center; text-align: center; }
    .exp-pagination-actions { width: 100%; justify-content: center; }
}


/* ─── Case Studies Section ────────────────────────── */
.case-studies-section {
    position: relative;
    padding-bottom: 5rem;
}
.case-studies-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}
.case-study-feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ease);
    box-shadow: var(--shadow-card);
}
.case-study-feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--gradient);
    opacity: 0.8;
}
.case-study-feature-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}
.case-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.case-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    background: rgba(255, 186, 73, 0.1);
    border: 1px solid rgba(255, 186, 73, 0.3);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.case-read-time {
    font-size: 0.82rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.case-title {
    font-family: var(--font-h);
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: var(--text);
}
.case-title a {
    color: var(--text);
    transition: color 0.2s;
}
.case-title a:hover {
    color: var(--accent);
}
.case-desc {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.75rem;
}
.case-desc code {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--accent);
    font-family: var(--font-b);
    font-size: 0.9em;
}
.case-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 1.75rem;
}
.case-stat-item {
    display: flex;
    flex-direction: column;
}
.case-stat-val {
    font-family: var(--font-h);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.1;
}
.case-stat-lbl {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-top: 0.25rem;
}
.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.case-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: #e0e0e0;
}
.case-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    .case-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .case-title {
        font-size: 1.4rem;
    }
    .case-study-feature-card {
        padding: 1.5rem;
    }
}