/* ==========================================
   CSS Variables & Themes
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800&family=Fira+Code:wght@400;500&display=swap');

:root {
    --bg-color: #07080f;
    --bg-light: #0d1120;
    --bg-card: rgba(255,255,255,0.04);
    --text-primary: #eef2ff;
    --text-secondary: #8892b0;
    --accent: #818cf8;
    --accent-2: #c084fc;
    --accent-gradient: linear-gradient(135deg, #818cf8, #c084fc);
    --accent-glow: rgba(129, 140, 248, 0.18);
    --border-color: rgba(129,140,248,0.18);
    --navbar-bg: rgba(7,8,15,0.85);
    --card-shadow: 0 8px 32px rgba(0,0,0,0.45);
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
}

[data-theme="light"] {
    --bg-color: #f5f6ff;
    --bg-light: #eceeff;
    --bg-card: rgba(255,255,255,0.85);
    --text-primary: #1e1b4b;
    --text-secondary: #6366f1;
    --accent: #6366f1;
    --accent-2: #a855f7;
    --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
    --accent-glow: rgba(99,102,241,0.12);
    --border-color: rgba(99,102,241,0.2);
    --navbar-bg: rgba(245,246,255,0.9);
    --card-shadow: 0 4px 24px rgba(99,102,241,0.1);
}

/* ==========================================
   Reset & Base
   ========================================== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; scroll-padding-top:80px; }

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color 0.4s, color 0.4s;
}

/* Subtle noise/dot grid background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(129,140,248,0.05) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

a { text-decoration:none; color:inherit; transition:var(--transition); }
ul { list-style:none; }
img { display:block; }

/* ==========================================
   Custom Cursor
   ========================================== */
.cursor-dot, .cursor-outline {
    position:fixed; top:0; left:0;
    transform:translate(-50%,-50%);
    border-radius:50%;
    z-index:9999;
    pointer-events:none;
}
.cursor-dot { width:8px; height:8px; background:var(--accent); }
.cursor-outline {
    width:40px; height:40px;
    border:1.5px solid var(--accent);
    transition:width 0.2s, height 0.2s, background-color 0.2s, opacity 0.2s;
    opacity:0.6;
}

/* ==========================================
   Typography
   ========================================== */
h1,h2,h3,h4,h5,h6 {
    font-family:var(--font-heading);
    color:var(--text-primary);
    margin-bottom:1rem;
    font-weight:700;
}

.section-title {
    display:flex;
    align-items:center;
    font-size:2rem;
    margin-bottom:3rem;
    gap:16px;
}
.section-title::after {
    content:'';
    flex:1;
    max-width:200px;
    height:1px;
    background:var(--border-color);
}
.num {
    color:var(--accent);
    font-family:var(--font-mono);
    font-size:1.1rem;
}

/* ==========================================
   Navbar
   ========================================== */
.navbar {
    position:fixed; top:0; width:100%; height:70px;
    background:var(--navbar-bg);
    backdrop-filter:blur(20px) saturate(1.5);
    -webkit-backdrop-filter:blur(20px);
    z-index:100;
    display:flex;
    justify-content:center;
    border-bottom:1px solid var(--border-color);
    transition:var(--transition);
}
.nav-container {
    width:90%; max-width:1200px;
    display:flex; justify-content:space-between; align-items:center;
}
.logo {
    font-family:var(--font-heading);
    font-size:1.5rem; font-weight:800;
    background:var(--accent-gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    letter-spacing:-1px;
}
.logo .dot { -webkit-text-fill-color:var(--accent-2); }

.nav-links { display:flex; gap:28px; align-items:center; }
.nav-links li { font-family:var(--font-mono); font-size:0.82rem; }
.nav-links a { color:var(--text-secondary); }
.nav-links a:hover { color:var(--accent); }

#theme-toggle {
    background:none; border:none;
    color:var(--text-secondary);
    cursor:pointer; font-size:1.1rem;
    padding:6px 10px;
    border-radius:8px;
    transition:var(--transition);
}
#theme-toggle:hover { color:var(--accent); background:var(--accent-glow); }

.btn-contact {
    border:1.5px solid var(--accent);
    color:var(--accent);
    padding:8px 20px;
    border-radius:8px;
    font-family:var(--font-mono);
    font-size:0.82rem;
    transition:var(--transition);
}
.btn-contact:hover { background:var(--accent-glow); }

.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; }
.hamburger span {
    display:block; width:24px; height:2px;
    background:var(--text-primary);
    border-radius:2px;
    transition:0.3s;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
    position:relative;
    min-height:100vh;
    display:flex; align-items:center; justify-content:center;
    padding:0 10%;
    overflow:hidden;
    gap:40px;
}

/* Gradient orbs */
.hero-section::before, .hero-section::after {
    content:'';
    position:absolute;
    border-radius:50%;
    filter:blur(80px);
    pointer-events:none;
    z-index:0;
}
.hero-section::before {
    width:500px; height:500px;
    background:radial-gradient(circle, rgba(129,140,248,0.15), transparent 70%);
    top:-100px; left:-100px;
}
.hero-section::after {
    width:400px; height:400px;
    background:radial-gradient(circle, rgba(192,132,252,0.12), transparent 70%);
    bottom:-50px; right:0;
}

#neural-canvas {
    position:absolute; top:0; left:0;
    width:100%; height:100%;
    z-index:0; opacity:0.3;
}

.hero-content { flex:1; z-index:1; }

.greeting {
    font-family:var(--font-mono);
    color:var(--accent);
    font-size:1rem;
    margin-bottom:1rem;
    letter-spacing:2px;
}
.name {
    font-size:clamp(2.8rem, 7vw, 5rem);
    line-height:1.05;
    margin-bottom:0.8rem;
    letter-spacing:-2px;
    background:var(--accent-gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}
.role {
    font-size:clamp(1.2rem, 3vw, 2rem);
    color:var(--text-secondary);
    margin-bottom:1.5rem;
    font-weight:400;
}
.typewriter {
    font-family:var(--font-mono);
    font-size:1rem;
    color:var(--accent);
    margin-bottom:2.5rem;
    height:1.5em;
}
.cursor { animation:blink 1s step-start infinite; }
@keyframes blink { 50% { opacity:0; } }

.cta-buttons { display:flex; gap:16px; margin-bottom:2.5rem; flex-wrap:wrap; }

.btn {
    padding:12px 28px;
    border-radius:8px;
    font-family:var(--font-mono);
    font-size:0.85rem;
    cursor:pointer;
    font-weight:500;
    transition:var(--transition);
    display:inline-flex; align-items:center; gap:8px;
}
.btn-primary {
    background:var(--accent-gradient);
    color:#fff;
    border:none;
    box-shadow:0 4px 20px var(--accent-glow);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 30px var(--accent-glow); }
.btn-outline {
    border:1.5px solid var(--border-color);
    color:var(--text-secondary);
    background:transparent;
}
.btn-outline:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-glow); }

.social-links {
    display:flex; gap:20px;
    font-size:1.3rem;
    color:var(--text-secondary);
}
.social-links a:hover { color:var(--accent); transform:translateY(-3px); }

.contact-mini {
    margin-top:20px;
    color:var(--text-secondary);
    font-size:0.88rem;
    display:flex; flex-direction:column; gap:6px;
}
.contact-mini i { color:var(--accent); margin-right:8px; }

/* Hero Badges */
.hero-badges {
    display:flex; flex-wrap:wrap; gap:10px;
    margin-bottom:1.2rem;
}
.hero-badge {
    display:inline-flex; align-items:center; gap:6px;
    font-family:var(--font-mono); font-size:0.75rem;
    color:var(--text-secondary);
    background:rgba(129,140,248,0.08);
    border:1px solid var(--border-color);
    padding:5px 14px; border-radius:20px;
    transition:var(--transition);
}
.hero-badge i { color:var(--accent); font-size:0.8rem; }
.hero-badge.available {
    border-color:rgba(52,211,153,0.4);
    color:#34d399;
    background:rgba(52,211,153,0.08);
}
.badge-dot {
    width:7px; height:7px; border-radius:50%;
    background:#34d399;
    display:inline-block;
    animation:pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
    0%,100% { box-shadow:0 0 0 0 rgba(52,211,153,0.5); }
    50% { box-shadow:0 0 0 5px rgba(52,211,153,0); }
}

/* Hero Stats */
.hero-stats {
    display:flex; align-items:center; gap:0;
    margin-bottom:2rem;
    background:rgba(129,140,248,0.06);
    border:1px solid var(--border-color);
    border-radius:12px;
    padding:16px 20px;
    width:fit-content;
    flex-wrap:wrap;
}
.stat-item {
    display:flex; flex-direction:column; align-items:center;
    padding:0 20px;
    gap:3px;
}
.stat-num {
    font-family:var(--font-heading);
    font-size:1.5rem; font-weight:800;
    background:var(--accent-gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    line-height:1;
}
.stat-label {
    font-family:var(--font-mono); font-size:0.7rem;
    color:var(--text-secondary); white-space:nowrap;
}
.stat-divider {
    width:1px; height:36px;
    background:var(--border-color);
}

/* Typewriter prefix */
.typewriter-prefix { color:var(--text-secondary); }

/* Image AI label */
.img-ai-label {
    position:absolute; bottom:16px; left:50%;
    transform:translateX(-50%);
    background:rgba(7,8,15,0.85);
    backdrop-filter:blur(10px);
    color:var(--accent);
    font-family:var(--font-mono); font-size:0.78rem;
    padding:6px 16px; border-radius:20px;
    border:1px solid var(--border-color);
    display:flex; align-items:center; gap:6px;
    z-index:5; white-space:nowrap;
}
[data-theme="light"] .img-ai-label { background:rgba(245,246,255,0.9); }

/* Project Icon Wrap */
.project-icon-wrap {
    width:44px; height:44px;
    border-radius:12px;
    background:var(--accent-gradient);
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem;
    color:#fff;
    box-shadow:0 4px 16px var(--accent-glow);
    flex-shrink:0;
}

/* Project Badge */
.project-badge {
    display:inline-block;
    font-family:var(--font-mono); font-size:0.7rem;
    color:var(--accent);
    background:rgba(129,140,248,0.1);
    border:1px solid rgba(129,140,248,0.25);
    padding:3px 10px; border-radius:4px;
    margin-bottom:10px;
    letter-spacing:0.5px;
    text-transform:uppercase;
}
.badge-genai {
    color:#c084fc;
    background:rgba(192,132,252,0.1);
    border-color:rgba(192,132,252,0.25);
}

/* Hero Image */
.hero-image {
    flex:1; display:flex; justify-content:flex-end; align-items:center;
    position:relative; z-index:1;
}
.img-wrapper {
    position:relative; width:320px; height:320px;
    border-radius:20px; overflow:hidden;
    border:2px solid var(--border-color);
    box-shadow:0 0 60px var(--accent-glow), var(--card-shadow);
    transition:var(--transition);
}
.img-wrapper::before {
    content:'';
    position:absolute; inset:0;
    background:var(--accent-gradient);
    opacity:0.2;
    z-index:1;
    transition:var(--transition);
}
.img-wrapper:hover { transform:translate(-5px,-5px); box-shadow:0 0 80px var(--accent-glow), var(--card-shadow); }
.img-wrapper:hover::before { opacity:0; }
.img-wrapper img {
    width:100%; height:100%; object-fit:cover;
    filter:grayscale(60%);
    transition:var(--transition);
}
.img-wrapper:hover img { filter:grayscale(0%); }

.scroll-down {
    position:absolute; bottom:40px; left:50%;
    transform:translateX(-50%);
    color:var(--text-secondary); font-size:1.3rem;
    animation:bounce 2s infinite;
    z-index:1;
}
@keyframes bounce {
    0%,100% { transform:translateX(-50%) translateY(0); }
    50% { transform:translateX(-50%) translateY(-10px); }
}

/* ==========================================
   Layout Sections
   ========================================== */
.section {
    padding:100px 0;
    width:90%; max-width:1100px;
    margin:0 auto;
    position:relative; z-index:1;
}
.container { width:100%; }

/* ==========================================
   About Section
   ========================================== */
.about-text p {
    margin-bottom:20px;
    color:var(--text-secondary);
    font-size:1.05rem;
    line-height:1.8;
}
.about-text strong { color:var(--accent); font-weight:600; }

.education-card {
    border-top:1px solid var(--border-color);
    padding-top:30px; margin-top:40px;
    background:var(--bg-card);
    backdrop-filter:blur(10px);
    border:1px solid var(--border-color);
    border-radius:var(--radius);
    padding:30px;
    box-shadow:var(--card-shadow);
}
.education-card h3 {
    display:flex; align-items:center; gap:10px;
    color:var(--text-primary); font-size:1.2rem;
    margin-bottom:25px;
}
.education-card h3 i { color:var(--accent); }
.edu-item { margin-bottom:20px; }
.edu-item h4 { margin-bottom:4px; font-size:1.05rem; }
.edu-item .sub {
    font-family:var(--font-mono); font-size:0.82rem;
    color:var(--text-secondary);
}
.edu-item .gpa {
    font-family:var(--font-mono); font-size:0.82rem;
    color:var(--accent); margin-top:4px;
}

/* ==========================================
   Skills Section
   ========================================== */
.skills-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(270px,1fr));
    gap:20px;
}
.skill-category {
    background:var(--bg-card);
    backdrop-filter:blur(10px);
    padding:28px;
    border-radius:var(--radius);
    border:1px solid var(--border-color);
    transition:var(--transition);
    box-shadow:var(--card-shadow);
}
.skill-category:hover {
    transform:translateY(-6px);
    border-color:var(--accent);
    box-shadow:0 16px 40px var(--accent-glow);
}
.skill-category h3 {
    font-size:1rem; margin-bottom:16px;
    display:flex; align-items:center; gap:10px;
}
.skill-category h3 i { color:var(--accent); font-size:1rem; }
.tags { display:flex; flex-wrap:wrap; gap:8px; }
.tags span {
    font-family:var(--font-mono); font-size:0.78rem;
    color:var(--text-secondary);
    background:rgba(129,140,248,0.08);
    border:1px solid var(--border-color);
    padding:5px 12px; border-radius:20px;
    transition:var(--transition);
}
.skill-category:hover .tags span { color:var(--accent); border-color:var(--accent); }

/* ==========================================
   Experience / Timeline
   ========================================== */
.timeline { position:relative; max-width:800px; margin:0 auto; }
.timeline::after {
    content:'';
    position:absolute;
    width:1px; top:0; bottom:0; left:0;
    background:linear-gradient(to bottom, var(--accent), var(--accent-2));
    opacity:0.4;
}
.timeline-item { position:relative; margin-bottom:60px; padding-left:40px; }
.timeline-item::before {
    content:'';
    position:absolute; left:-6px; top:6px;
    width:13px; height:13px;
    border-radius:50%;
    background:var(--accent-gradient);
    box-shadow:0 0 12px var(--accent-glow);
    border:2px solid var(--bg-color);
}
.timeline-date {
    font-family:var(--font-mono); font-size:0.82rem;
    color:var(--accent); margin-bottom:8px;
    background:var(--accent-glow);
    display:inline-block; padding:3px 10px; border-radius:4px;
}
.timeline-content {
    background:var(--bg-card);
    backdrop-filter:blur(10px);
    border:1px solid var(--border-color);
    border-radius:var(--radius);
    padding:24px 28px;
    box-shadow:var(--card-shadow);
}
.timeline-content h3 { font-size:1.2rem; margin-bottom:4px; }
.timeline-content h4 {
    font-size:0.95rem; color:var(--text-secondary);
    margin-bottom:16px; font-weight:400;
}
.timeline-content ul li {
    position:relative; padding-left:20px;
    margin-bottom:8px; color:var(--text-secondary); font-size:0.92rem;
}
.timeline-content ul li::before {
    content:"▹"; position:absolute; left:0; color:var(--accent);
}

/* ==========================================
   Projects Section — Horizontal Strip Card Design
   ========================================== */

/* ---- Category Header ---- */
.category-title {
    width: 100%;
    margin: 48px 0 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    padding: 14px 20px;
    border-radius: 12px;
    background: rgba(129,140,248,0.06);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}
.category-title::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--accent-gradient);
    border-radius: 4px 0 0 4px;
    opacity: 0;
    transition: opacity 0.3s;
}
.category-title:hover {
    background: rgba(129,140,248,0.1);
    border-color: rgba(129,140,248,0.3);
}
.category-title.active {
    background: rgba(129,140,248,0.12);
    border-color: var(--accent);
}
.category-title.active::before {
    opacity: 1;
}

.cat-icon-wrap {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--accent-gradient);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 0.95rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.cat-label {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}
.cat-count {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    background: rgba(129,140,248,0.12);
    border: 1px solid rgba(129,140,248,0.25);
    padding: 3px 10px;
    border-radius: 20px;
    margin-right: 4px;
}
.category-title .fa-chevron-down {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: transform 0.3s;
    flex-shrink: 0;
}
.category-title.active .fa-chevron-down { transform: rotate(180deg); }
/* Hide the raw <i> icons in old category-title markup */
.category-title > i.fas:not(.fa-chevron-down) { display: none; }

[data-theme="light"] .category-title {
    background: rgba(99,102,241,0.04);
}
[data-theme="light"] .category-title:hover {
    background: rgba(99,102,241,0.08);
}

/* ---- Projects Grid: single column list ---- */
.projects-grid {
    display: none;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 16px;
    animation: fadeSlideUp 0.4s ease both;
}
.projects-grid.active { display: grid; }

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Card: horizontal strip ---- */
.project-card {
    display: flex;
    flex-direction: row;
    border-radius: 14px;
    overflow: hidden;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 12px rgba(0,0,0,0.25);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    cursor: default;
    min-height: 110px;
}
.project-card:hover {
    transform: translateX(6px);
    border-color: var(--accent);
    box-shadow: 0 4px 24px rgba(129,140,248,0.18), -4px 0 0 var(--accent);
}
[data-theme="light"] .project-card {
    background: #ffffff;
    border-color: #e8e4f8;
    box-shadow: 0 2px 12px rgba(99,102,241,0.07);
}
[data-theme="light"] .project-card:hover {
    box-shadow: 0 4px 24px rgba(99,102,241,0.14), -4px 0 0 var(--accent);
}

/* ---- Left color strip + icon ---- */
.project-card-header {
    width: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Category colors for the left strip */
.project-card[data-category="ml"]          .project-card-header { background: linear-gradient(180deg, #1e3a5f, #1a1040); }
.project-card[data-category="dl"]          .project-card-header { background: linear-gradient(180deg, #1a0533, #2d1b69); }
.project-card[data-category="cv"]          .project-card-header { background: linear-gradient(180deg, #0c2340, #1e3a5f); }
.project-card[data-category="nlp"]         .project-card-header { background: linear-gradient(180deg, #0d2a1a, #1a4a2a); }
.project-card[data-category="autoencoder"] .project-card-header { background: linear-gradient(180deg, #3a1a00, #5c2d00); }
.project-card[data-category="gan"]         .project-card-header { background: linear-gradient(180deg, #2d0a3a, #4a1a5c); }
.project-card[data-category="genai"]       .project-card-header { background: linear-gradient(180deg, #0a2a3a, #1a4a5c); }
.project-card[data-category="powerbi"]     .project-card-header { background: linear-gradient(180deg, #2a1a00, #4a3000); }
.project-card[data-category="graduation"]  .project-card-header { background: linear-gradient(180deg, #1a3a1a, #2a5c2a); }

[data-theme="light"] .project-card[data-category="ml"]          .project-card-header { background: linear-gradient(180deg, #dbeafe, #ede9fe); }
[data-theme="light"] .project-card[data-category="dl"]          .project-card-header { background: linear-gradient(180deg, #f3e8ff, #ede9fe); }
[data-theme="light"] .project-card[data-category="cv"]          .project-card-header { background: linear-gradient(180deg, #dbeafe, #bfdbfe); }
[data-theme="light"] .project-card[data-category="nlp"]         .project-card-header { background: linear-gradient(180deg, #dcfce7, #d1fae5); }
[data-theme="light"] .project-card[data-category="genai"]       .project-card-header { background: linear-gradient(180deg, #cffafe, #a5f3fc); }
[data-theme="light"] .project-card[data-category="gan"]         .project-card-header { background: linear-gradient(180deg, #fae8ff, #f3e8ff); }
[data-theme="light"] .project-card[data-category="powerbi"]     .project-card-header { background: linear-gradient(180deg, #fef9c3, #fde68a); }
[data-theme="light"] .project-card[data-category="graduation"]  .project-card-header { background: linear-gradient(180deg, #dcfce7, #bbf7d0); }

.project-card-icon {
    position: relative;
    z-index: 2;
    width: 46px; height: 46px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
[data-theme="light"] .project-card-icon {
    background: rgba(255,255,255,0.75);
    color: var(--accent);
    border-color: rgba(255,255,255,0.9);
}
.project-card:hover .project-card-icon {
    transform: scale(1.12) rotate(-5deg);
}

/* GitHub button in top-right of strip */
.project-card-header-link {
    position: absolute;
    bottom: 10px; right: 8px;
    width: 26px; height: 26px;
    border-radius: 8px;
    background: rgba(0,0,0,0.35);
    border: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.8);
    font-size: 0.8rem;
    transition: var(--transition);
}
[data-theme="light"] .project-card-header-link {
    background: rgba(255,255,255,0.7);
    color: var(--accent);
    border-color: rgba(255,255,255,0.9);
}
.project-card-header-link:hover {
    background: rgba(255,255,255,0.3);
    color: #fff;
    transform: scale(1.1);
}
[data-theme="light"] .project-card-header-link:hover {
    background: var(--accent);
    color: #fff;
}

/* ---- Right content body ---- */
.project-card-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 16px 20px;
    gap: 0;
}

.project-badge {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.7;
    margin-bottom: 4px;
    display: block;
}
.badge-genai { color: #c084fc; }

.project-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 5px;
    line-height: 1.3;
    transition: color 0.25s;
}
.project-card:hover h3 { color: var(--accent); }

.project-card .description {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tech tags */
.tech-list {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.tech-list li {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 2px 9px;
    border-radius: 20px;
    background: rgba(129,140,248,0.1);
    color: var(--accent);
    border: 1px solid rgba(129,140,248,0.2);
}
[data-theme="light"] .tech-list li {
    background: #ede9fe;
    color: #6366f1;
    border-color: #c4b5fd;
}

/* ---- Hidden old elements ---- */
.project-header    { display: none; }
.folder-icon       { display: none; }
.project-icon-wrap { display: none; }
.project-links     { display: none; }

/* ---- View more ---- */
.view-more-wrapper {
    width: 100%; display: none;
    justify-content: flex-end;
    margin-bottom: 16px;
}
.view-more-link {
    color: var(--accent);
    font-size: 0.88rem;
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-mono);
    transition: var(--transition);
}
.view-more-link:hover { gap: 12px; color: var(--accent-2); }

/* ==========================================
   Achievements & Publications
   ========================================== */
.achievements-container { display:grid; gap:24px; }
.achievement-card, .publication-card {
    background:var(--bg-card);
    backdrop-filter:blur(10px);
    padding:28px;
    border-radius:var(--radius);
    border:1px solid var(--border-color);
    border-left:3px solid;
    border-image: linear-gradient(to bottom, var(--accent), var(--accent-2)) 1;
    box-shadow:var(--card-shadow);
    transition:var(--transition);
}
.achievement-card:hover, .publication-card:hover { transform:translateX(4px); }
.achievement-card h3, .publication-card h3 {
    display:flex; align-items:center; gap:10px; margin-bottom:12px;
}
.achievement-card h3 i, .publication-card h3 i { color:var(--accent); }
.achievement-card p, .pub-list span { color:var(--text-secondary); font-size:0.95rem; }
.pub-list li { margin-bottom:16px; padding-left:4px; }
.pub-list strong { color:var(--text-primary); display:block; margin-bottom:4px; }

/* ==========================================
   Contact Section
   ========================================== */
.contact-section { padding-bottom:100px; }
.contact-wrapper {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px; align-items:center;
}
.contact-content-left .section-subtitle {
    font-family:var(--font-mono);
    color:var(--accent);
    margin-bottom:8px; font-size:0.9rem;
    letter-spacing:2px;
}
.section-title-main {
    font-size:2.8rem; line-height:1.1;
    background:var(--accent-gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    margin-bottom:20px;
}
.contact-text {
    color:var(--text-secondary);
    font-size:1rem; margin-bottom:36px; max-width:90%; line-height:1.8;
}
.contact-details { display:flex; flex-direction:column; gap:16px; margin-bottom:36px; }
.contact-item {
    display:flex; align-items:center; gap:14px;
    color:var(--text-secondary); font-size:0.95rem;
}
.contact-item i { color:var(--accent); width:20px; font-size:1.1rem; }
.contact-item a:hover { color:var(--accent); }

.social-links-big { display:flex; gap:16px; font-size:1.6rem; color:var(--text-secondary); }
.social-links-big a:hover { color:var(--accent); transform:translateY(-4px); }

.contact-action-right { display:flex; justify-content:center; }
.cta-box {
    background:var(--bg-card);
    backdrop-filter:blur(16px);
    padding:48px 40px;
    border-radius:16px;
    text-align:center;
    border:1px solid var(--border-color);
    box-shadow:0 20px 60px var(--accent-glow);
    width:100%;
    position:relative; overflow:hidden;
}
.cta-box::before {
    content:'';
    position:absolute; top:-60px; left:-60px;
    width:200px; height:200px;
    background:radial-gradient(circle, var(--accent-glow), transparent 70%);
    pointer-events:none;
}
.cta-box h3 { font-size:1.8rem; margin-bottom:12px; }
.cta-box p { color:var(--text-secondary); margin-bottom:28px; font-size:1rem; }
.big-btn { padding:14px 32px; font-size:1rem; }

/* ==========================================
   Footer
   ========================================== */
footer {
    text-align:center; padding:24px;
    font-family:var(--font-mono); font-size:0.78rem;
    color:var(--text-secondary);
    border-top:1px solid var(--border-color);
    position:relative; z-index:1;
}
footer span { color:var(--accent); }

/* ==========================================
   Responsive
   ========================================== */
@media (max-width:1080px) {
    .section { padding:80px 0; }
}

@media (max-width:768px) {
    .hero-section {
        flex-direction:column-reverse;
        justify-content:center;
        padding-top:110px;
        text-align:left;
        padding-bottom:60px;
    }
    .hero-image { display:none; }
    .hero-content { width:100%; }

    .nav-links {
        display:none;
        position:absolute;
        top:70px; left:0;
        width:100%; height:calc(100vh - 70px);
        background:var(--bg-color);
        flex-direction:column;
        justify-content:center; align-items:center;
        gap:40px;
        border-top:1px solid var(--border-color);
    }
    .nav-links.active { display:flex; }
    .hamburger { display:flex; }

    .section-title { font-size:1.5rem; }

    .contact-wrapper { grid-template-columns:1fr; gap:40px; }
    .contact-content-left { text-align:center; }
    .contact-text { margin:0 auto 36px; }
    .contact-details { align-items:center; }
    .social-links-big { justify-content:center; }
    .section-title-main { font-size:2rem; }
    .name { font-size:3rem; letter-spacing:-1px; }
}