:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --accent-blue: #004D99; /* Spider-man blue */
    --accent-purple: #E62429; /* Spider-man red */
    --accent-pink: #9C110C; /* Iron man red */
    --accent-green: #E8B923; /* Iron man gold */
    --accent-orange: #F59E0B;
    --accent-teal: #3B82F6;
    --gradient-1: linear-gradient(135deg, #004D99, #E62429);
    --gradient-2: linear-gradient(135deg, #9C110C, #E8B923);
    --gradient-3: linear-gradient(135deg, #E62429, #E8B923);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 40px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="dark"] {
    --bg-primary: #050510;
    --bg-secondary: #0a0a14;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    --accent-blue: #3B82F6; /* Brighter spidey blue */
    --accent-purple: #EF4444; /* Brighter spidey red */
    --accent-pink: #F87171; /* Brighter iron man red */
    --accent-green: #FBBF24; /* Brighter iron man gold */
    --accent-orange: #F59E0B;
    --accent-teal: #60A5FA;
    --gradient-1: linear-gradient(135deg, #3B82F6, #EF4444);
    --gradient-2: linear-gradient(135deg, #EF4444, #FBBF24);
    --gradient-3: linear-gradient(135deg, #3B82F6, #FBBF24);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.skip-link {
    position: fixed; top: 12px; left: 12px; z-index: 10001;
    padding: 10px 16px; border-radius: 8px; background: var(--text-primary); color: var(--bg-primary);
    font-weight: 700; text-decoration: none; transform: translateY(-160%); transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

:focus-visible { outline: 3px solid var(--accent-green); outline-offset: 4px; }

.bg-gradient {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; overflow: hidden;
}
.bg-gradient::before {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: 
        radial-gradient(ellipse at 20% 50%, var(--accent-blue) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, var(--accent-purple) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, var(--accent-pink) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, var(--accent-green) 0%, transparent 50%);
    opacity: 0.15;
    animation: bgShift 20s ease-in-out infinite;
}
@keyframes bgShift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-2%, 1%) rotate(1deg); }
    50% { transform: translate(1%, -1%) rotate(-0.5deg); }
    75% { transform: translate(-1%, 2%) rotate(0.5deg); }
}

.floating-orb {
    position: fixed; border-radius: 50%; filter: blur(80px); opacity: 0.3;
    animation: float 15s ease-in-out infinite; z-index: -1;
}
.orb-1 { width: 400px; height: 400px; background: var(--accent-blue); top: 10%; left: 10%; }
.orb-2 { width: 300px; height: 300px; background: var(--accent-purple); top: 60%; right: 10%; animation-delay: -5s; }
.orb-3 { width: 250px; height: 250px; background: var(--accent-pink); bottom: 10%; left: 30%; animation-delay: -10s; }
@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.navbar {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 1000;
    background: var(--glass-bg); backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border); border-radius: 100px;
    padding: 12px 30px; display: flex; align-items: center; gap: 15px;
    transition: var(--transition); box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}
.navbar.scrolled { background: var(--bg-primary); box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2); opacity: 0.95; }
.nav-logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-logo-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}
.nav-logo {
    font-weight: 700; font-size: 1.1rem; background: var(--gradient-1);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; letter-spacing: -0.5px;
}
.nav-links { display: flex; gap: 4px; list-style: none; }
.nav-links a {
    color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; font-weight: 500;
    padding: 8px 16px; border-radius: 100px; transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); background: rgba(128, 128, 128, 0.2); }
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.2rem; cursor: pointer; padding: 8px; }

.theme-switch {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 8px;
    margin-left: 10px;
    transition: var(--transition);
}
.theme-switch:hover {
    color: var(--accent-blue);
    transform: scale(1.1);
}

.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 120px 20px 80px; position: relative; isolation: isolate; overflow: hidden; }
.hero::before, .hero::after { content: ''; position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: min(56vw, 700px); aspect-ratio: 1; right: -18%; top: 14%; background: radial-gradient(circle, rgba(59, 130, 246, 0.18), transparent 68%); animation: drift 12s ease-in-out infinite; }
.hero::after { width: min(45vw, 540px); aspect-ratio: 1; left: -15%; bottom: -8%; background: radial-gradient(circle, rgba(239, 68, 68, 0.14), transparent 70%); animation: drift 15s ease-in-out -4s infinite reverse; }
.hero-content { text-align: center; max-width: 900px; animation: fadeInUp 1s ease-out; }

.hero-profile {
    width: 178px;
    height: 178px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.hero-profile::before { content: ''; position: absolute; inset: 0; border: 1px dashed rgba(96, 165, 250, 0.65); border-radius: 50%; animation: spin 18s linear infinite; }
.hero-profile video {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-primary);
    box-shadow: 0 0 0 4px var(--accent-teal), var(--glass-shadow);
    transition: var(--transition);
}
.hero-profile video:hover {
    transform: scale(1.05) rotate(5deg);
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(10, 132, 255, 0.1); border: 1px solid rgba(10, 132, 255, 0.3);
    border-radius: 100px; padding: 8px 20px; font-size: 0.85rem; color: var(--accent-blue);
    margin-bottom: 30px; backdrop-filter: blur(10px);
}
.hero-badge .pulse {
    width: 8px; height: 8px; background: var(--accent-green); border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.5); } }
.hero-title { font-size: clamp(2.5rem, 7vw, 4rem); font-weight: 800; letter-spacing: -2px; line-height: 1.1; margin-bottom: 20px; }
.hero-title .gradient-text { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: clamp(1.1rem, 2.5vw, 1.4rem); color: var(--text-secondary); margin-bottom: 40px; font-weight: 400; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-specialties { display: inline-flex; align-items: center; gap: 9px; margin: -18px auto 32px; padding: 7px 13px; border: 1px solid var(--glass-border); border-radius: 100px; background: var(--glass-bg); color: var(--text-secondary); font-size: 0.84rem; backdrop-filter: blur(10px); }
.hero-specialties i { color: var(--accent-green); }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; border-radius: 100px;
    font-size: 0.95rem; font-weight: 600; text-decoration: none; transition: var(--transition);
    cursor: pointer; border: none; font-family: var(--font-main);
}
.btn-primary { background: var(--gradient-1); color: white; box-shadow: 0 4px 20px rgba(10, 132, 255, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(10, 132, 255, 0.5); }
.btn-secondary { background: var(--glass-bg); color: var(--text-primary); border: 1px solid var(--glass-border); backdrop-filter: blur(10px); }
.btn-secondary:hover { background: rgba(128, 128, 128, 0.1); transform: translateY(-2px); }
.ai-shortcuts { margin-top: 28px; }
.ai-shortcuts-title { color: var(--text-secondary); font-size: 0.85rem; font-weight: 600; margin-bottom: 12px; }
.ai-shortcuts-title i { color: var(--accent-green); margin-right: 6px; }
.ai-shortcuts-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.ai-shortcut { align-items: center; background: rgba(128, 128, 128, 0.08); border: 1px solid var(--glass-border); border-radius: 100px; color: var(--text-primary); display: inline-flex; font-size: 0.8rem; font-weight: 600; gap: 8px; padding: 9px 14px; text-decoration: none; transition: var(--transition); }
.ai-shortcut i, .ai-shortcut img { display: block; flex: 0 0 16px; font-size: 1rem; height: 16px; margin: 0; object-fit: contain; width: 16px; }
[data-theme="dark"] .ai-shortcut.chatgpt img { filter: invert(1); }
.ai-shortcut:hover, .ai-shortcut:focus-visible { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18); outline: none; transform: translateY(-2px); }
.ai-shortcut.google:hover, .ai-shortcut.google:focus-visible { border-color: #4285F4; color: #4285F4; }
.ai-shortcut.grok:hover, .ai-shortcut.grok:focus-visible { border-color: var(--text-primary); }
.ai-shortcut.chatgpt:hover, .ai-shortcut.chatgpt:focus-visible { border-color: #74AA9C; color: #74AA9C; }
.ai-shortcut.perplexity:hover, .ai-shortcut.perplexity:focus-visible { border-color: #22B8CD; color: #22B8CD; }
.hero-stats { display: flex; justify-content: center; gap: 40px; margin-top: 60px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-size: 2rem; font-weight: 800; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.section { width: 100%; max-width: none; margin: 0; padding: 100px max(20px, calc((100vw - 1200px) / 2)); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--accent-blue); margin-bottom: 16px; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.section-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

.glass-card {
    background: var(--glass-bg); backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
    padding: 32px; transition: var(--transition); position: relative; overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.glass-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent); }
.glass-card:hover { transform: translateY(-4px); border-color: var(--accent-blue); box-shadow: var(--glass-shadow); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-image .profile-card { width: 100%; max-width: 400px; aspect-ratio: 4 / 5; margin: 62px auto 0; perspective: 1200px; cursor: pointer; outline: none; -webkit-tap-highlight-color: transparent; isolation: isolate; transform-origin: 50% -58px; animation: identityCardSwing 5.2s ease-in-out infinite; }
.profile-card::before { position: absolute; z-index: -1; top: -78px; left: 50%; width: 70px; height: 98px; content: ""; transform: translateX(-50%); clip-path: polygon(12% 0,88% 0,100% 100%,72% 100%,50% 30%,28% 100%,0 100%); background: linear-gradient(90deg,#101217 0%,#343740 20%,#111319 38%,#51535a 51%,#17191e 69%,#3c3e45 84%,#111217 100%); filter: drop-shadow(0 3px 4px rgba(0,0,0,.4)); }
.profile-card::after { position: absolute; z-index: 1; top: -9px; left: 50%; width: 44px; height: 28px; content: ""; transform: translateX(-50%); border: 4px solid #a8abb2; border-radius: 9px 9px 13px 13px; background: linear-gradient(100deg,#4d5058,#f4f4f4 45%,#696b72 75%,#27292f); box-shadow: 0 4px 9px rgba(0,0,0,.45),inset 0 0 0 2px rgba(255,255,255,.3); pointer-events: none; }
.profile-card-flipper { position: relative; z-index: 2; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform .75s cubic-bezier(.2,.75,.25,1); }
.profile-card.is-flipped .profile-card-flipper { transform: rotateY(180deg); }
.profile-card:focus-visible .profile-card-face { outline: 3px solid var(--accent-blue); outline-offset: 4px; }
.profile-card-face { position: absolute; inset: 0; overflow: hidden; border: 1px solid rgba(147,197,253,.42); border-radius: var(--radius-lg); background: #0b1220; color: #fff; box-shadow: 0 24px 55px rgba(0,0,0,.28), inset 0 1px rgba(255,255,255,.15), 0 0 24px rgba(59,130,246,.12); backface-visibility: hidden; -webkit-backface-visibility: hidden; isolation: isolate; }
.profile-card-front { display: flex; flex-direction: column; }
.profile-card-image { position: relative; flex: 1 1 68%; min-height: 0; overflow: hidden; background: #171c27; }
.profile-card-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 25%; user-select: none; }
.profile-card-rim { position: absolute; z-index: 3; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); pointer-events: none; }
.profile-card-label { position: absolute; z-index: 4; top: 0; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; gap: 9px; padding: 13px 18px; border-bottom: 1px solid rgba(255,255,255,.4); background: linear-gradient(100deg,rgba(8,14,25,.82),rgba(15,37,68,.66),rgba(8,14,25,.78)); color: #fff; text-shadow: 0 1px 8px rgba(0,0,0,.7); font-size: .65rem; font-weight: 700; letter-spacing: .16em; backdrop-filter: blur(12px); box-shadow: 0 5px 18px rgba(0,0,0,.18); }
.profile-card-label i { color: #93c5fd; font-size: .9rem; }
.profile-card-info { position: relative; z-index: 2; flex: 0 0 auto; min-height: 32%; padding: 18px 22px 40px; background: linear-gradient(145deg,#151b29,#090e18); }
.profile-card-identity-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.profile-card-info .profile-card-identity-row h3 { min-width: 0; margin: 5px 0 3px; }
.profile-card-scanner { display: block; flex: 0 0 clamp(58px, 18%, 76px); width: clamp(58px, 18%, 76px); transition: transform .25s ease, filter .25s ease; }
.profile-card-scanner img { display: block; width: 100%; height: auto; }
.profile-card-scanner:hover, .profile-card-scanner:focus-visible { transform: translateY(-3px) scale(1.04); filter: drop-shadow(0 6px 10px rgba(0,0,0,.4)); }
.profile-card-kicker,.profile-card-back-head { color: #93c5fd; font-size: .68rem; font-weight: 700; letter-spacing: .16em; }
.profile-card-info h3 { margin: 5px 0 3px; font-size: clamp(1.45rem,5vw,1.9rem); line-height: 1.1; letter-spacing: -.04em; }
.profile-card-info p { margin: 0; color: rgba(255,255,255,.82); font-size: .92rem; }
.profile-card-flip-hint { position: absolute; z-index: 2; right: 16px; bottom: 14px; left: 16px; color: rgba(255,255,255,.66); font-size: .66rem; text-align: center; }
.profile-card-holo { position: absolute; z-index: 2; inset: 0; background: repeating-linear-gradient(115deg,transparent 0 12%,rgba(255,80,105,.12) 13%,rgba(255,225,150,.12) 15%,rgba(100,220,255,.13) 18%,transparent 21% 30%),radial-gradient(ellipse at var(--light-x,50%) var(--light-y,50%),rgba(255,255,255,.2),transparent 48%); background-size: 240% 240%; background-position: var(--light-x,50%) var(--light-y,50%); mix-blend-mode: screen; opacity: calc(.38 * var(--holo-active,0)); filter: saturate(1.1); pointer-events: none; transition: opacity .25s ease; }
.profile-card-holo::after { position: absolute; inset: 0; content: ""; background: radial-gradient(ellipse at var(--light-x,50%) var(--light-y,50%),rgba(255,255,255,.2),transparent 55%); mix-blend-mode: soft-light; }
.profile-card-front::after { position: absolute; z-index: 3; inset: -70% -120%; content: ""; transform: translateX(-62%) rotate(18deg); background: linear-gradient(115deg,transparent 43%,rgba(255,255,255,.04) 46%,rgba(255,255,255,.25) 50%,rgba(255,70,80,.12) 52%,transparent 57%); transition: transform .8s ease; pointer-events: none; }
.profile-card:hover .profile-card-front::after, .profile-card:focus-visible .profile-card-front::after { transform: translateX(62%) rotate(18deg); }
.profile-card-back { display: flex; flex-direction: column; padding: clamp(20px,5vw,30px); transform: rotateY(180deg); background: radial-gradient(ellipse at top right,rgba(59,130,246,.24),transparent 45%),linear-gradient(145deg,#111827,#070b14 75%); }
.profile-card-back-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.16); }
.profile-card-back-head i { color: rgba(255,255,255,.42); font-size: 1.3rem; }
.profile-card-back h3 { margin: 20px 0 6px; font-size: 1.45rem; }
.profile-card-summary { margin: 0; color: rgba(255,255,255,.72); font-size: .82rem; line-height: 1.5; }
.profile-card-details { display: grid; gap: 13px; margin: 20px 0; }
.profile-card-details div { display: grid; grid-template-columns: 78px 1fr; gap: 8px; align-items: start; }
.profile-card-details dt { color: #93c5fd; font-size: .62rem; font-weight: 700; letter-spacing: .11em; }
.profile-card-details dd { margin: 0; color: rgba(255,255,255,.92); font-size: .76rem; line-height: 1.35; }
.profile-card-contact { display: flex; width: fit-content; align-items: center; gap: 10px; margin-top: auto; padding: 10px 14px; border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius-sm); background: rgba(255,255,255,.09); color: #fff; font-size: .8rem; font-weight: 600; text-decoration: none; }
.profile-card-contact:hover { background: rgba(255,255,255,.16); }
.profile-card-back .profile-card-flip-hint { bottom: 12px; font-size: .65rem; }
.profile-card-instruction { max-width: 360px; margin: 14px auto 0; color: var(--text-secondary); font-size: .8rem; text-align: center; }
@keyframes identityCardSwing { 0%,100% { rotate: 1.5deg; } 50% { rotate: -1.5deg; } }
@media (max-width: 420px) { .profile-card-face { border-radius: var(--radius-md); } .profile-card-back { padding: 20px; } .profile-card-back h3 { margin-top: 14px; } .profile-card-details { gap: 10px; margin: 14px 0; } .profile-card-scanner { flex-basis: 58px; width: 58px; } }
@media (prefers-reduced-motion: reduce) { .profile-card-flipper { transition-duration: .01ms; } .profile-card-holo { transition: none; } }
.about-text h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 16px; letter-spacing: -0.5px; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; font-size: 1rem; line-height: 1.8; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.highlight-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: rgba(128, 128, 128, 0.05); border-radius: var(--radius-sm); border: 1px solid var(--glass-border); }
.highlight-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; flex-shrink: 0; }
.highlight-item:nth-child(1) .highlight-icon { background: rgba(10, 132, 255, 0.15); color: var(--accent-blue); }
.highlight-item:nth-child(2) .highlight-icon { background: rgba(191, 90, 242, 0.15); color: var(--accent-purple); }
.highlight-item:nth-child(3) .highlight-icon { background: rgba(48, 209, 88, 0.15); color: var(--accent-green); }
.highlight-item:nth-child(4) .highlight-icon { background: rgba(255, 159, 10, 0.15); color: var(--accent-orange); }
.highlight-text { font-size: 0.85rem; font-weight: 500; }

.skills-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.skill-card { padding: 28px; }
.skill-card-icon { width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 20px; }
.skill-card:nth-child(1) .skill-card-icon { background: rgba(10, 132, 255, 0.15); color: var(--accent-blue); }
.skill-card:nth-child(2) .skill-card-icon { background: rgba(191, 90, 242, 0.15); color: var(--accent-purple); }
.skill-card:nth-child(3) .skill-card-icon { background: rgba(48, 209, 88, 0.15); color: var(--accent-green); }
.skill-card:nth-child(4) .skill-card-icon { background: rgba(255, 55, 95, 0.15); color: var(--accent-pink); }
.skill-card:nth-child(5) .skill-card-icon { background: rgba(255, 159, 10, 0.15); color: var(--accent-orange); }
.skill-card:nth-child(6) .skill-card-icon { background: rgba(100, 210, 255, 0.15); color: var(--accent-teal); }
.skill-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.skill-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 16px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; background: rgba(128, 128, 128, 0.1); border: 1px solid var(--glass-border); border-radius: 100px; font-size: 0.75rem; color: var(--text-secondary); font-weight: 500; }
.skill-tag img { width: 16px; height: 16px; object-fit: contain; }

.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple), transparent); }
.timeline-item { position: relative; padding-left: 60px; margin-bottom: 40px; }
.timeline-dot { position: absolute; left: 12px; top: 8px; width: 18px; height: 18px; border-radius: 50%; background: var(--gradient-1); border: 3px solid var(--bg-primary); box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.3); }
.timeline-content { padding: 28px; }
.timeline-date { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--accent-blue); font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }
.timeline-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; }
.timeline-company { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 12px; }
.timeline-desc { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }
.timeline-award { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; padding: 8px 16px; background: rgba(255, 159, 10, 0.1); border: 1px solid rgba(255, 159, 10, 0.3); border-radius: 100px; font-size: 0.8rem; color: var(--accent-orange); font-weight: 600; }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.project-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.project-image { height: 150px; position: relative; overflow: hidden; background: var(--bg-secondary); }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-image img { transform: scale(1.05); }
.project-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.project-card:hover .project-overlay { opacity: 1; }
.project-body { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.project-tech span { padding: 3px 10px; background: rgba(128, 128, 128, 0.1); border-radius: 100px; font-size: 0.7rem; color: var(--accent-blue); font-weight: 500; }
.project-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.project-desc { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; flex-grow: 1; }
.project-links { display: flex; gap: 12px; margin-top: auto; }
.project-links a { color: var(--text-secondary); font-size: 0.85rem; text-decoration: none; display: flex; align-items: center; gap: 6px; transition: var(--transition); font-weight: 600;}
.project-links a:hover { color: var(--accent-blue); }

.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.cert-card { padding: 20px; display: flex; align-items: flex-start; gap: 16px; }
.cert-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; background: rgba(10, 132, 255, 0.1); color: var(--accent-blue); }
.cert-info h5 { font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; line-height: 1.4; }
.cert-info p { font-size: 0.75rem; color: var(--text-muted); }

.contact-wrapper { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; align-items: stretch; }
.contact-info { padding: 40px; }
.contact-info h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 16px; letter-spacing: -0.5px; }
.contact-info p { color: var(--text-secondary); margin-bottom: 30px; line-height: 1.7; }
.contact-links { display: flex; flex-direction: column; gap: 16px; }
.contact-link { display: flex; align-items: center; gap: 16px; padding: 16px; background: rgba(128, 128, 128, 0.05); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); text-decoration: none; color: var(--text-primary); transition: var(--transition); }
.contact-link:hover { background: rgba(128, 128, 128, 0.1); border-color: var(--accent-blue); }
.contact-wrapper .glass-card:hover { transform: none; }
.contact-link-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-link:nth-child(1) .contact-link-icon { background: rgba(10, 132, 255, 0.15); color: var(--accent-blue); }
.contact-link:nth-child(2) .contact-link-icon { background: rgba(191, 90, 242, 0.15); color: var(--accent-purple); }
.contact-link:nth-child(3) .contact-link-icon { background: rgba(48, 209, 88, 0.15); color: var(--accent-green); }
.contact-link:nth-child(4) .contact-link-icon { background: rgba(255, 159, 10, 0.15); color: var(--accent-orange); }
.contact-link:nth-child(5) .contact-link-icon { background: rgba(252, 109, 38, 0.15); color: #FC6D26; }
.contact-link-text { display: flex; flex-direction: column; }
.contact-link-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.contact-link-value { font-size: 0.95rem; font-weight: 500; }

.contact-form { padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 8px; color: var(--text-secondary); }
.form-group input, .form-group textarea { width: 100%; padding: 14px 18px; background: rgba(128, 128, 128, 0.05); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); color: var(--text-primary); font-family: var(--font-main); font-size: 0.95rem; transition: var(--transition); outline: none; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent-blue); background: rgba(10, 132, 255, 0.05); box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.1); }
.form-group textarea { resize: vertical; min-height: 192px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.footer { text-align: center; padding: 40px 20px; border-top: 1px solid var(--glass-border); }
.footer-social { display: flex; justify-content: center; gap: 16px; margin-bottom: 20px; }
.footer-contact-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 22px; margin: 0 auto 20px; }
.footer-contact-links a { color: var(--text-secondary); font-size: 0.9rem; text-decoration: none; transition: var(--transition); }
.footer-contact-links a:hover { color: var(--accent-blue); }
.footer-social a { width: 44px; height: 44px; border-radius: 50%; background: rgba(128, 128, 128, 0.1); border: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); text-decoration: none; transition: var(--transition); }
.footer-social a:hover { background: var(--gradient-1); border-color: transparent; color: white; transform: translateY(-3px); }
.footer-text { color: var(--text-muted); font-size: 0.85rem; }
.footer-text span { color: var(--accent-pink); }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.75,.25,1); }
.reveal.active { opacity: 1; transform: translate(0, 0); }
#about .about-image.reveal { transform: translateX(-110px); transition: opacity 1s ease, transform 1s cubic-bezier(.16,1,.3,1); }
#about .about-image.reveal.active { opacity: 1; transform: translateX(0); }
section[id].section .reveal.active { opacity: 1; transform: translateY(0); }
.profile-card { --tilt-x: 0deg; --tilt-y: 0deg; transform: perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); transition: transform .3s ease; will-change: transform; }
.profile-card.is-flipped { transform: perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); }
.profile-card:hover, .profile-card:focus-visible { transition-duration: .12s; animation-play-state: paused; }

.scroll-top { position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px; border-radius: 50%; background: var(--gradient-1); border: none; color: white; font-size: 1.2rem; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition); box-shadow: 0 4px 20px rgba(10, 132, 255, 0.3); z-index: 999; }
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(10, 132, 255, 0.5); }

.loader { position: fixed; inset: 0; background: var(--bg-primary); display: flex; align-items: center; justify-content: center; z-index: 10000; transition: opacity 0.5s ease, visibility 0.5s ease; }
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-ring { width: 50px; height: 50px; border: 3px solid rgba(128, 128, 128, 0.2); border-top-color: var(--accent-blue); border-radius: 50%; animation: spin 1s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes drift { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 50% { transform: translate3d(-4%, 5%, 0) scale(1.1); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

::selection { background: rgba(10, 132, 255, 0.3); color: var(--text-primary); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(128, 128, 128, 0.3); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(128, 128, 128, 0.5); }

@media (max-width: 768px) {
    .navbar { padding: 10px 20px; width: calc(100% - 40px); justify-content: space-between; }
    .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg-primary); backdrop-filter: blur(20px); border-radius: var(--radius-md); padding: 16px; flex-direction: column; border: 1px solid var(--glass-border); box-shadow: var(--glass-shadow); }
    .nav-links.active { display: flex; }
    .nav-toggle { display: block; }
    .about-grid { grid-template-columns: 1fr; }
    .about-highlights { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero-stats { gap: 24px; }
    .ai-shortcuts-list { gap: 8px; }
    .skills-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .projects-grid { grid-template-columns: minmax(0, 1fr); }
    .skill-card, .project-card, .timeline-content, .contact-form { min-width: 0; }
    .section-title { overflow-wrap: anywhere; }
    #about .about-image.reveal { transform: translateX(-72px); }
    #about .about-text.reveal, #skills .reveal, #experience .reveal,
    #projects .reveal, #certifications .reveal, #contact .reveal { transform: translateY(28px); }
    #about .about-image.reveal.active { transform: translateX(0); }
    section[id].section .reveal.active { transform: translateY(0); }
    .project-image { height: 135px; }
    .timeline::before { left: 10px; }
    .timeline-item { padding-left: 40px; }
    .timeline-dot { left: 2px; }
}
@media (max-width: 480px) {
    .section { padding: 60px 16px; }
    .glass-card { padding: 24px; }
    .hero { padding: 100px 16px 60px; }
    .ai-shortcut { font-size: 0.75rem; padding: 8px 11px; }
    .skills-grid { grid-template-columns: minmax(0, 1fr); }
    .about-grid { gap: 28px; }
    .about-image .profile-card { max-width: min(360px, 100%); margin-top: 56px; }
    .profile-card-details div { grid-template-columns: 64px minmax(0, 1fr); }
    .profile-card-details dd { overflow-wrap: anywhere; }
    .section-header { margin-bottom: 40px; }
}

@media (hover: none) {
    .profile-card-front::after { transform: translateX(38%) rotate(18deg); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}
.scroll-dot {
    width: 20px;
    height: 4px;
    background: rgba(128, 128, 128, 0.4);
    border-radius: 2px;
    transition: var(--transition);
    cursor: pointer;
    display: block;
    position: relative;
}
.scroll-dot::after {
    content: attr(aria-label);
    position: absolute;
    right: 35px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: var(--glass-bg);
    color: var(--text-primary);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    pointer-events: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.scroll-dot:hover {
    background: rgba(128, 128, 128, 0.8);
    width: 25px;
}
.scroll-dot:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}
.scroll-dot.active {
    background: var(--text-primary);
    width: 30px;
}
@media (max-width: 768px) {
    .scroll-indicator { display: none; }
}