/* ===== Variables ===== */
:root {
    --bg: #020817;
    --bg2: #080d1c;
    --bg-card: #0f1629;
    --bg-card2: #161f38;
    --text: #f1f5f9;
    --text2: #94a3b8;
    --text3: #64748b;

    /* Enhanced vibrant palette */
    --green: #10b981;
    --green-l: #34d399;
    --green-d: #059669;
    --green-soft: rgba(16,185,129,0.12);
    --green-glow: rgba(16,185,129,0.35);

    --pink: #d946ef;
    --pink-l: #e879f9;
    --pink-soft: rgba(217,70,239,0.12);
    --pink-glow: rgba(217,70,239,0.35);

    --cyan: #06b6d4;
    --cyan-l: #22d3ee;
    --cyan-soft: rgba(6,182,212,0.12);
    --cyan-glow: rgba(6,182,212,0.3);

    /* New accent colors */
    --orange: #f97316;
    --orange-soft: rgba(249,115,22,0.12);
    --orange-glow: rgba(249,115,22,0.3);

    --violet: #7c3aed;
    --violet-l: #8b5cf6;
    --violet-soft: rgba(124,58,237,0.12);

    --gold: #f59e0b;
    --gold-soft: rgba(245,158,11,0.12);

    --red: #ef4444;
    --red-soft: rgba(239,68,68,0.12);
    --red-glow: rgba(239,68,68,0.3);

    --blue: #3b82f6;
    --blue-soft: rgba(59,130,246,0.12);
    --blue-glow: rgba(59,130,246,0.3);

    --purple: #a855f7;
    --purple-soft: rgba(168,85,247,0.12);
    --purple-glow: rgba(168,85,247,0.3);

    --teal: #14b8a6;
    --teal-soft: rgba(20,184,166,0.12);
    --teal-glow: rgba(20,184,166,0.3);

    --yellow: #eab308;
    --yellow-soft: rgba(234,179,8,0.12);
    --yellow-glow: rgba(234,179,8,0.3);

    --border: rgba(255,255,255,0.07);
    --border2: rgba(255,255,255,0.12);

    --grad: linear-gradient(135deg, var(--green), var(--cyan));
    --grad2: linear-gradient(90deg, var(--green), var(--pink));
    --grad3: linear-gradient(135deg, var(--violet-l), var(--pink));
    --grad4: linear-gradient(135deg, var(--cyan), var(--violet-l));

    --font: 'Space Grotesk', system-ui, sans-serif;
    --font-display: 'Syne', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --container: min(1200px, 94vw);
    --radius: 16px;
    --radius-sm: 8px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.3s var(--ease);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    font-size: 1rem;
    overflow-x: hidden;
}

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-l); }

.container { width: var(--container); margin: 0 auto; padding: 0 1rem; }

/* ===== Noise Overlay ===== */
.noise-overlay {
    position: fixed; inset: 0; z-index: 9999; pointer-events: none; opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 128px;
}

/* ===== Canvas ===== */
#particleCanvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ===== Header ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(2, 8, 23, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
    background: rgba(2, 8, 23, 0.97);
    box-shadow: 0 4px 30px rgba(0,0,0,0.6);
    border-bottom-color: rgba(16,185,129,0.15);
}

.nav {
    display: flex; align-items: center; justify-content: space-between; height: 72px;
}

.nav-logo {
    display: flex; align-items: center; gap: 0.75rem; color: var(--text);
    font-family: var(--font-display); font-weight: 700; font-size: 1.2rem;
}
.logo-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--grad); display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.logo-icon img { width: 100%; height: 100%; object-fit: cover; }
.logo-dot { color: var(--cyan); }
.logo-text { color: var(--text); }

.nav-list {
    display: flex; list-style: none; gap: 0.25rem;
}
.nav-link {
    color: var(--text2); font-weight: 500; font-size: 0.9rem;
    padding: 0.5rem 0.875rem; border-radius: 8px;
    transition: var(--transition); display: flex; align-items: center; gap: 0.35rem;
}
.nav-num { color: var(--cyan); font-family: var(--font-mono); font-size: 0.75rem; }
.nav-link:hover { color: var(--text); background: var(--cyan-soft); }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: 1px solid var(--border2); border-radius: 8px;
    padding: 10px; cursor: pointer; transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--green); background: var(--green-soft); }
.toggle-bar {
    width: 22px; height: 2px; background: var(--text);
    border-radius: 2px; transition: var(--transition);
    transform-origin: center;
}
.nav-toggle.active .toggle-bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active .toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active .toggle-bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-overlay {
    display: none; position: fixed; inset: 0; z-index: 90;
    background: rgba(2,8,23,0.7); backdrop-filter: blur(4px);
}
.mobile-overlay.active { display: block; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.75rem; border-radius: 50px; font-weight: 600;
    border: 2px solid transparent; cursor: pointer; transition: var(--transition);
    font-family: var(--font); font-size: 0.95rem;
}
.btn-primary {
    background: var(--grad); color: #050505;
    box-shadow: 0 4px 20px var(--green-glow);
}
.btn-primary:hover {
    transform: translateY(-2px); box-shadow: 0 8px 30px var(--green-glow);
    color: #050505;
}
.btn-ghost {
    background: transparent; color: var(--text);
    border-color: var(--border2);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-soft); }
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; padding-top: 90px;
    overflow: hidden; z-index: 1;
}

.hero-grid-bg {
    position: absolute; inset: 0; z-index: -1;
    background-image:
        linear-gradient(rgba(6,182,212,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6,182,212,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-radial {
    position: absolute; inset: 0; z-index: -1;
    background:
        radial-gradient(ellipse 60% 60% at 10% 50%, rgba(16,185,129,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 90% 20%, rgba(124,58,237,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 60% 80%, rgba(6,182,212,0.08) 0%, transparent 60%);
}

.hero-content {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: center; width: 100%;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 0.625rem;
    padding: 0.5rem 1rem; border-radius: 50px; margin-bottom: 1.75rem;
    background: var(--green-soft); border: 1px solid rgba(16,185,129,0.25);
    font-size: 0.85rem; font-weight: 500; color: var(--green-l);
}
.badge-pulse {
    width: 8px; height: 8px; border-radius: 50%; background: var(--green);
    box-shadow: 0 0 0 0 var(--green-glow);
    animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 var(--green-glow); }
    70% { box-shadow: 0 0 0 8px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
}

.hero-title {
    font-family: var(--font-display); font-weight: 800;
    font-size: clamp(3rem, 5.5vw, 5rem); line-height: 1.0;
    margin-bottom: 1.25rem; display: flex; flex-direction: column;
}
.title-line { display: block; overflow: hidden; }
.title-accent {
    background: var(--grad); background-clip: text;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-role {
    font-family: var(--font-mono); font-size: 1.1rem;
    color: var(--text2); margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: 0.25rem;
}
.role-bracket { color: var(--cyan); }
.role-cursor { color: var(--green); animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-desc { color: var(--text2); max-width: 500px; margin-bottom: 2rem; font-size: 1.05rem; }

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero-stats {
    display: flex; align-items: center; gap: 2rem;
    padding: 1.25rem 0; border-top: 1px solid var(--border);
}
.stat-item { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-num {
    font-family: var(--font-display); font-size: 1.75rem; font-weight: 800;
    background: var(--grad); background-clip: text;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.8rem; color: var(--text3); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--border2); }

/* Profile Frame */
.hero-right { display: flex; justify-content: center; position: relative; }
.profile-frame { position: relative; width: 280px; height: 280px; }

.frame-glow {
    position: absolute; inset: -20px; border-radius: 40px; z-index: -1;
    background: radial-gradient(ellipse at center, var(--green-glow) 0%, transparent 70%);
    filter: blur(30px); animation: glow-pulse 3s ease-in-out infinite alternate;
}
@keyframes glow-pulse {
    from { opacity: 0.5; transform: scale(0.95); }
    to   { opacity: 1;   transform: scale(1.05); }
}

.profile-img-wrap {
    width: 100%; height: 100%; border-radius: 50%; overflow: hidden;
    border: 3px solid rgba(16,185,129,0.4);
    box-shadow: 0 0 0 1px var(--border), 0 20px 60px rgba(0,0,0,0.6);
    transform: rotate(2deg); transition: var(--transition);
}
.profile-img-wrap:hover { transform: rotate(0deg) scale(1.01); border-color: var(--cyan); }
.profile-img { width: 100%; height: 100%; object-fit: cover; }

.frame-badge {
    position: absolute; display: flex; align-items: center; gap: 0.5rem;
    padding: 0.6rem 1rem; border-radius: 50px;
    background: rgba(10,15,30,0.92); backdrop-filter: blur(10px);
    border: 1px solid var(--border2); font-size: 0.8rem; font-weight: 600;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    animation: float 3s ease-in-out infinite;
}
.fb-1 { bottom: 10%; left: -15%; animation-delay: 0s; }
.fb-2 { top: 10%; right: -15%; animation-delay: 1.5s; }
@keyframes float {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

.frame-ring {
    position: absolute; border-radius: 50%; border: 2px solid;
    animation: spin-slow 8s linear infinite;
}
.r1 {
    width: 460px; height: 460px; top: -20px; left: -20px;
    border-color: rgba(16,185,129,0.18);
}
.r2 {
    width: 500px; height: 500px; top: -40px; left: -40px;
    border-color: rgba(124,58,237,0.1);
    animation-direction: reverse; animation-duration: 12s;
}
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.hero-scroll-hint {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
    color: var(--text3); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.1em;
    text-transform: uppercase;
}
.scroll-line {
    width: 1px; height: 50px;
    background: linear-gradient(to bottom, var(--green), transparent);
    animation: scroll-hint 2s ease-in-out infinite;
}
@keyframes scroll-hint {
    0%,100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    50%      { opacity: 0.3; }
}

/* ===== Sections ===== */
.section { padding: 7rem 0; position: relative; z-index: 1; }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
    font-family: var(--font-mono); font-size: 0.875rem;
    color: var(--cyan); letter-spacing: 0.05em; display: block; margin-bottom: 0.75rem;
}
.section-title {
    font-family: var(--font-display); font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800; color: var(--text); position: relative; display: inline-block;
}
.section-title::after {
    content: ''; position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%);
    width: 50px; height: 3px; background: var(--grad); border-radius: 2px;
}

/* ===== Shared Tags ===== */
.tag-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tag {
    padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.8rem; font-weight: 500;
    background: var(--bg-card2); border: 1px solid var(--border2); color: var(--text2);
    transition: var(--transition);
}
.tag:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-soft); }
.tag.accent { color: var(--green-l); border-color: rgba(16,185,129,0.3); background: var(--green-soft); }
.tag.accent-cyan { color: var(--cyan-l); border-color: rgba(6,182,212,0.3); background: var(--cyan-soft); }
.tag.accent-pink { color: var(--pink-l); border-color: rgba(217,70,239,0.3); background: var(--pink-soft); }
.tag.accent-violet { color: var(--violet-l); border-color: rgba(124,58,237,0.3); background: var(--violet-soft); }

/* ===== About ===== */
.about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: start;
}
.about-text { color: var(--text2); margin-bottom: 1.5rem; font-size: 1.05rem; }
.about-text strong { color: var(--text); font-weight: 600; }
.about-focus-grid { display: grid; gap: 1rem; margin-top: 2rem; }
.focus-item {
    display: flex; gap: 1rem; align-items: flex-start;
    padding: 1.25rem; border-radius: var(--radius-sm);
    background: var(--bg-card); border: 1px solid var(--border);
    transition: var(--transition);
}
.focus-item:hover { border-color: var(--cyan); }
.focus-icon { font-size: 1.5rem; }
.focus-item h4 { font-size: 0.9rem; color: var(--cyan-l); font-weight: 600; margin-bottom: 0.25rem; }
.focus-item p { font-size: 0.875rem; color: var(--text2); }

/* Terminal */
.terminal-card {
    background: #0d1117; border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--border2);
    box-shadow: 0 0 40px rgba(6,182,212,0.08), 0 20px 60px rgba(0,0,0,0.5);
}
.terminal-header {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 1rem 1.25rem; background: #161b22; border-bottom: 1px solid var(--border);
}
.td { width: 12px; height: 12px; border-radius: 50%; }
.td.red { background: #ff5f57; }
.td.yellow { background: #febc2e; }
.td.green { background: #28c840; }
.terminal-title { margin-left: 0.5rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text3); }
.terminal-body {
    padding: 1.5rem; font-family: var(--font-mono); font-size: 0.85rem;
    line-height: 1.9; color: var(--text2);
}
.t-cmd { color: var(--cyan-l); }
.t-key { color: #79c0ff; }
.t-str { color: #a5d6ff; }
.t-num { color: var(--pink-l); }
.t-brace { color: #e6edf3; }
.t-cursor-blink {
    color: var(--green); animation: blink 1s step-end infinite;
    display: inline-block;
}

/* ===== Languages ===== */
.lang-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; max-width: 960px; margin: 0 auto; }
.lang-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.5rem 2rem;
    display: grid; grid-template-columns: auto 1fr auto;
    gap: 1.5rem; align-items: center;
    transition: var(--transition);
}
.lang-card:hover { border-color: var(--cyan); transform: translateX(4px); box-shadow: 0 8px 32px rgba(6,182,212,0.1); }
.lang-left { display: flex; align-items: center; gap: 1rem; }
.lang-flag { font-size: 2rem; }
.lang-left h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
.lang-badge {
    padding: 0.25rem 0.75rem; border-radius: 50px; font-size: 0.75rem; font-weight: 600;
}
.lang-badge.native { background: var(--green-soft); color: var(--green-l); border: 1px solid rgba(16,185,129,0.3); }
.lang-badge.intermediate { background: rgba(6,182,212,0.12); color: var(--cyan-l); border: 1px solid rgba(6,182,212,0.3); }
.lang-badge.beginner { background: var(--violet-soft); color: var(--violet-l); border: 1px solid rgba(124,58,237,0.3); }
.lang-badge.prog { background: rgba(245,158,11,0.12); color: var(--gold); border: 1px solid rgba(245,158,11,0.3); }
.lang-badge.db { background: var(--pink-soft); color: var(--pink-l); border: 1px solid rgba(217,70,239,0.3); }
.lang-badge.embed { background: var(--orange-soft); color: var(--orange); border: 1px solid rgba(249,115,22,0.3); }
.lang-bar-wrap {
    height: 6px; background: var(--border2); border-radius: 3px; overflow: hidden;
}
.lang-fill {
    height: 100%; width: 0; border-radius: 3px;
    background: var(--grad); transition: width 1.5s var(--ease);
}
.lang-pct { font-family: var(--font-mono); font-size: 0.85rem; color: var(--cyan); font-weight: 600; white-space: nowrap; }

/* ===== Education ===== */
.edu-timeline { display: grid; gap: 2rem; max-width: 820px; margin: 0 auto; }
.edu-card {
    display: grid; grid-template-columns: 100px 1fr; gap: 2rem; align-items: start;
    padding: 2rem; background: var(--bg-card); border-radius: var(--radius);
    border: 1px solid var(--border); transition: var(--transition);
    position: relative; overflow: hidden;
}
.edu-card::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--grad);
}
.edu-card:hover { border-color: var(--cyan); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(6,182,212,0.1); }
.edu-year {
    font-family: var(--font-mono); font-size: 0.85rem; color: var(--cyan);
    font-weight: 600; padding-top: 0.25rem; text-align: right;
}
.edu-card-body { display: flex; gap: 1.25rem; align-items: flex-start; }
.edu-icon-wrap { font-size: 2rem; }
.edu-content { flex: 1; }
.edu-status {
    display: inline-block; padding: 0.25rem 0.75rem; border-radius: 50px;
    font-size: 0.75rem; font-weight: 600; margin-bottom: 0.5rem;
}
.edu-status.ongoing { background: var(--green-soft); color: var(--green-l); border: 1px solid rgba(16,185,129,0.3); }
.edu-status.graduated { background: var(--cyan-soft); color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); }
.edu-content h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.25rem; }
.edu-dept { color: var(--text2); font-size: 0.9rem; }

/* ===== TEKNOFEST ENHANCED ===== */
.teknofest-hero-banner {
    background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(6,182,212,0.08), rgba(124,58,237,0.08));
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: 24px; padding: 2.5rem; margin-bottom: 3rem;
    display: flex; align-items: center; gap: 2rem;
    position: relative; overflow: hidden;
}
.teknofest-hero-banner::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--grad);
}
.tf-banner-icon { font-size: 4rem; flex-shrink: 0; }
.tf-banner-content h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 0.5rem; color: var(--text); }
.tf-banner-content p { color: var(--text2); font-size: 0.95rem; line-height: 1.7; }
.tf-banner-stats { display: flex; gap: 2rem; margin-top: 1rem; }
.tf-stat { display: flex; flex-direction: column; align-items: center; }
.tf-stat-num { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; background: var(--grad); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.tf-stat-label { font-size: 0.75rem; color: var(--text3); }

.teknofest-table-wrap {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 20px; overflow: hidden; margin-bottom: 2.5rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.teknofest-table-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.5rem 2rem; background: rgba(16,185,129,0.05);
    border-bottom: 1px solid var(--border);
}
.tf-table-title { font-weight: 700; font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.tf-count-badge {
    background: var(--grad); color: #050505; padding: 0.25rem 0.75rem;
    border-radius: 50px; font-size: 0.8rem; font-weight: 700;
}

.tf-table { width: 100%; border-collapse: collapse; }
.tf-table th {
    background: rgba(6,182,212,0.06); padding: 1rem 1.25rem;
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--text3); text-align: left;
    border-bottom: 1px solid var(--border);
}
.tf-table td {
    padding: 1rem 1.25rem; font-size: 0.9rem; color: var(--text2);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.tf-table tr:last-child td { border-bottom: none; }
.tf-table tr { transition: var(--transition); }
.tf-table tbody tr:hover { background: rgba(6,182,212,0.04); }

.tf-id { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text3); }
.tf-program { color: var(--text); font-weight: 600; font-size: 0.9rem; }
.tf-program small { display: block; color: var(--text3); font-weight: 400; font-size: 0.8rem; margin-top: 0.1rem; }
.tf-status-badge {
    padding: 0.3rem 0.75rem; border-radius: 50px; font-size: 0.75rem; font-weight: 600;
    white-space: nowrap; display: inline-flex; align-items: center; gap: 0.35rem;
}
.tf-status-badge.finalist { background: var(--green-soft); color: var(--green-l); border: 1px solid rgba(16,185,129,0.3); }
.tf-status-badge.prelim { background: var(--cyan-soft); color: var(--cyan-l); border: 1px solid rgba(6,182,212,0.3); }
.tf-status-badge.elim { background: var(--cyan-soft); color: var(--cyan-l); border: 1px solid rgba(6,182,212,0.3); }
.tf-status-badge.neg { background: var(--cyan-soft); color: var(--cyan-l); border: 1px solid rgba(6,182,212,0.3); }
.tf-team { font-family: var(--font-mono); font-size: 0.8rem; background: var(--bg-card2); padding: 0.2rem 0.6rem; border-radius: 6px; border: 1px solid var(--border); color: var(--cyan); }
.tf-year { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text3); }

/* Siber Vatan & WinterBytes cards */
.exp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.exp-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 2rem; transition: var(--transition);
    position: relative; overflow: hidden;
}
.exp-card::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
    background: var(--grad); transform: scaleX(0); transition: var(--transition);
    transform-origin: left;
}
.exp-card:hover { border-color: var(--green); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(16,185,129,0.1); }
.exp-card:hover::after { transform: scaleX(1); }
.exp-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.exp-emoji { font-size: 1.75rem; }
.exp-date {
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--green);
    padding: 0.25rem 0.625rem; background: var(--green-soft); border-radius: 50px;
    border: 1px solid rgba(16,185,129,0.25);
}
.exp-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.35rem; }
.exp-org { color: var(--text3); font-size: 0.875rem; margin-bottom: 0.75rem; }
.exp-desc { color: var(--text2); font-size: 0.95rem; }

/* ===== Projects ===== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.project-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 2rem; transition: var(--transition);
    position: relative; overflow: hidden;
}
.project-card:hover { border-color: var(--cyan); transform: translateY(-5px); box-shadow: 0 20px 60px rgba(6,182,212,0.12); }
.project-card.featured {
    border-color: rgba(16,185,129,0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(16,185,129,0.05));
}
.project-glow {
    position: absolute; top: 0; right: 0; width: 200px; height: 200px;
    background: radial-gradient(ellipse, var(--green-soft) 0%, transparent 70%);
    pointer-events: none;
}
.project-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.project-type { font-size: 0.85rem; font-weight: 600; color: var(--text2); }
.project-badge {
    padding: 0.25rem 0.75rem; border-radius: 50px; font-size: 0.75rem; font-weight: 600;
}
.project-badge.active { background: var(--green-soft); color: var(--green-l); border: 1px solid rgba(16,185,129,0.3); }
.project-badge.done { background: var(--cyan-soft); color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); }
.project-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.project-card p { color: var(--text2); font-size: 0.95rem; }
.project-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    margin-top: 1.25rem; font-size: 0.85rem; font-weight: 600;
    color: var(--cyan); transition: var(--transition);
}
.project-link:hover { color: var(--cyan-l); gap: 0.7rem; }

/* GitHub section */
.github-strip {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.5rem 2rem;
    margin-top: 2rem; transition: var(--transition);
}
.github-strip:hover { border-color: var(--green); }
.github-strip-left { display: flex; align-items: center; gap: 1rem; }
.github-strip-icon { font-size: 2rem; }
.github-strip-left h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
.github-strip-left p { color: var(--text2); font-size: 0.875rem; }

/* ===== Certificates ===== */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.cert-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.75rem; transition: var(--transition);
    position: relative; overflow: hidden; text-align: center;
}
.cert-shine {
    position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(6,182,212,0.04) 50%, transparent 60%);
    transition: 0.6s var(--ease); transform: rotate(30deg) translateX(-100%);
}
.cert-card:hover .cert-shine { transform: rotate(30deg) translateX(100%); }
.cert-card:hover { border-color: var(--cyan); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(6,182,212,0.1); }
.cert-icon { font-size: 2.5rem; display: block; margin-bottom: 1rem; }
.cert-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.cert-org { color: var(--text3); font-size: 0.85rem; margin-bottom: 0.75rem; }

/* ===== Skills ===== */
.skills-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start;
}
.skill-group { margin-bottom: 2.5rem; }
.sgroup-title {
    font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 1.5rem;
    padding-bottom: 0.75rem; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 0.5rem;
}
.skill-item { margin-bottom: 1.25rem; }
.skill-info { display: flex; justify-content: space-between; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.95rem; }
.spct { color: var(--cyan); font-family: var(--font-mono); font-size: 0.85rem; }
.skill-bar { height: 6px; background: var(--border2); border-radius: 3px; overflow: hidden; }
.skill-fill {
    height: 100%; width: 0; border-radius: 3px;
    background: var(--grad); transition: width 1.5s var(--ease);
}

.tools-cloud { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.tool-tag {
    border-radius: 8px; font-family: var(--font-mono); font-weight: 500;
    background: var(--bg-card); border: 1px solid var(--border2);
    color: var(--text2); transition: var(--transition); cursor: default;
}
.tool-tag.lg { padding: 0.6rem 1.25rem; font-size: 0.9rem; }
.tool-tag.md { padding: 0.5rem 1rem; font-size: 0.85rem; }
.tool-tag.sm { padding: 0.4rem 0.875rem; font-size: 0.8rem; }
.tool-tag.highlight { color: var(--cyan); border-color: rgba(6,182,212,0.3); background: var(--cyan-soft); }
.tool-tag:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-soft); transform: translateY(-2px); }

/* ===== Contact ===== */
.contact-wrapper {
    display: grid; grid-template-columns: 1fr 1.6fr; gap: 4rem;
    background: var(--bg-card); border-radius: 24px;
    border: 1px solid var(--border); padding: 3.5rem; position: relative; overflow: hidden;
}
.contact-wrapper::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--grad);
}
.contact-intro { color: var(--text2); margin-bottom: 2rem; font-size: 1rem; }
.contact-cards { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
    display: flex; align-items: center; gap: 1rem;
    padding: 1rem 1.25rem; border-radius: var(--radius-sm);
    background: var(--bg-card2); border: 1px solid var(--border);
    transition: var(--transition); color: var(--text);
}
.contact-card:hover { border-color: var(--cyan); background: var(--cyan-soft); color: var(--text); transform: translateX(4px); }
.cc-icon { font-size: 1.4rem; }
.cc-label { display: block; font-size: 0.75rem; color: var(--text3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.cc-value { display: block; font-size: 0.9rem; font-weight: 500; }

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-weight: 600; font-size: 0.9rem; color: var(--text); }
.form-group input, .form-group textarea {
    padding: 0.875rem 1.125rem; background: var(--bg-card2);
    border: 1.5px solid var(--border2); border-radius: var(--radius-sm);
    color: var(--text); font-family: var(--font); font-size: 0.95rem;
    transition: var(--transition); resize: vertical;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text3); }
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--cyan);
    box-shadow: 0 0 0 3px var(--cyan-soft);
    background: var(--bg-card);
}
.form-feedback {
    padding: 0.875rem 1.125rem; border-radius: var(--radius-sm);
    font-size: 0.9rem; display: none;
}
.form-feedback.form-feedback--success { display: block; background: var(--green-soft); color: var(--green-l); border: 1px solid rgba(16,185,129,0.3); }
.form-feedback.form-feedback--error { display: block; background: rgba(239,68,68,0.1); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }

/* ===== Footer Enhanced ===== */
.footer {
    padding: 4rem 0 2rem; border-top: 1px solid var(--border);
    position: relative; z-index: 1;
    background: linear-gradient(to bottom, transparent, rgba(6,182,212,0.02));
}
.footer-grid {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem;
    margin-bottom: 3rem;
}
.footer-brand {}
.footer-logo { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--text); display: inline-block; margin-bottom: 1rem; }
.footer-tagline { color: var(--text2); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.footer-socials { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.footer-social-link {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1rem; border-radius: 50px;
    background: var(--bg-card2); border: 1px solid var(--border);
    color: var(--text2); font-size: 0.8rem; font-weight: 500;
    transition: var(--transition);
}
.footer-social-link:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-soft); }

.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); margin-bottom: 1.25rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col ul li a { color: var(--text2); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--cyan); padding-left: 4px; }
.footer-col p { color: var(--text2); font-size: 0.9rem; line-height: 1.7; }

.footer-tech-stack { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer-tech-tag {
    padding: 0.25rem 0.6rem; border-radius: 6px;
    background: var(--bg-card2); border: 1px solid var(--border);
    color: var(--text3); font-size: 0.75rem; font-family: var(--font-mono);
    transition: var(--transition);
}
.footer-tech-tag:hover { color: var(--cyan); border-color: rgba(6,182,212,0.3); }

.footer-bottom {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
    gap: 1rem; padding-top: 2rem; border-top: 1px solid var(--border);
}
.footer-copyright { color: var(--text3); font-size: 0.875rem; }
.footer-made { color: var(--text3); font-size: 0.8rem; font-family: var(--font-mono); }
.footer-made span { color: var(--cyan); }

/* ===== Scroll to top ===== */
.scroll-top {
    position: fixed; bottom: 2rem; right: 2rem; z-index: 50;
    width: 48px; height: 48px; border-radius: 14px;
    background: var(--bg-card); border: 1px solid var(--border2);
    color: var(--text); display: flex; align-items: center; justify-content: center;
    transition: var(--transition); opacity: 0; pointer-events: none; transform: translateY(20px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.scroll-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.scroll-top:hover { border-color: var(--cyan); background: var(--cyan-soft); color: var(--cyan); transform: translateY(-2px); }

/* ===== Scroll Reveal ===== */
.section { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.section.visible { opacity: 1; transform: translateY(0); }

/* Animate delay utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ===== Mobile ===== */
@media (max-width: 1100px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .hero-left { order: 2; display: flex; flex-direction: column; align-items: center; }
    .hero-right { order: 1; }
    .hero-desc { max-width: 100%; }
    .profile-frame { width: 220px; height: 220px; }
    .fb-1, .fb-2 { display: none; }
    .r1 { width: 340px; height: 340px; top: -20px; left: -20px; }
    .r2 { display: none; }
    .hero-stats { justify-content: center; }
    .about-grid { grid-template-columns: 1fr; }
    .skills-layout { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; padding: 2rem; gap: 2.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .edu-card { grid-template-columns: 80px 1fr; gap: 1rem; }
    .tf-table { font-size: 0.8rem; }
    .teknofest-hero-banner { flex-direction: column; text-align: center; }
    .tf-banner-stats { justify-content: center; }
    .github-strip { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
    .nav-list {
        position: fixed; top: 72px; left: 0; right: 0; bottom: 0; z-index: 95;
        background: rgba(2,8,23,0.98); backdrop-filter: blur(20px);
        flex-direction: column; justify-content: center; align-items: center;
        gap: 0; display: none;
    }
    .nav-list.open { display: flex; }
    .nav-link { font-size: 1.25rem; padding: 1rem 2rem; width: 100%; text-align: center; }
    .nav-toggle { display: flex; }
    .hero-title { font-size: 2.75rem; }
    .hero-cta { flex-direction: column; width: 100%; }
    .btn { width: 100%; justify-content: center; }
    .section { padding: 5rem 0; }
    .edu-card { grid-template-columns: 1fr; }
    .edu-year { text-align: left; }
    .edu-card-body { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .lang-card { grid-template-columns: 1fr; }
    .lang-grid { grid-template-columns: 1fr; }
    .stat-divider { display: none; }
    .hero-stats { gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
    .tf-table th:nth-child(3), .tf-table td:nth-child(3) { display: none; }
    .teknofest-table-wrap { border-radius: 12px; }
}