/* ============================================
   1. Variables & Reset
   ============================================ */
:root {
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --white: #ffffff;
    --off-white: #f8fafc;
    --light-blue: #eef4ff;
    --soft-blue: #dce6fd;
    --indigo-50: #eef1ff;
    --indigo-100: #dfe3f8;
    --indigo-200: #c3cae6;
    --indigo-400: #818cf8;
    --indigo-500: #6366f1;
    --indigo-600: #4f46e5;
    --indigo-700: #4338ca;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --violet-500: #8b5cf6;
    --violet-600: #7c3aed;
    --pink-500: #ec4899;
    --rose-500: #f43f5e;
    --cyan-400: #22d3ee;
    --gold-400: #f3c969;
    --gold-500: #d9a441;
    --emerald-400: #34d399;
    --amber-400: #fbbf24;
    --navy: #1e3a5f;
    --navy-700: #1a2332;
    --navy-800: #141e2e;
    --navy-900: #0b1221;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --green-50: #ecfdf5;
    --green-400: #34d399;
    --green-500: #10b981;
    --green-600: #059669;
    --red-400: #f87171;
    --red-500: #ef4444;
    --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
    --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
    --shadow: 0 4px 6px -1px rgba(15,23,42,0.05), 0 2px 4px -2px rgba(15,23,42,0.05);
    --shadow-md: 0 8px 16px -4px rgba(15,23,42,0.08), 0 4px 6px -4px rgba(15,23,42,0.04);
    --shadow-lg: 0 16px 32px -8px rgba(15,23,42,0.1), 0 8px 12px -6px rgba(15,23,42,0.04);
    --shadow-xl: 0 24px 48px -12px rgba(15,23,42,0.12), 0 12px 20px -8px rgba(15,23,42,0.06);
    --shadow-2xl: 0 32px 64px -16px rgba(15,23,42,0.16);
    --shadow-glow-indigo: 0 0 40px rgba(99,102,241,0.12), 0 0 80px rgba(99,102,241,0.04);
    --shadow-glow-blue: 0 0 40px rgba(59,130,246,0.12), 0 0 80px rgba(59,130,246,0.04);
    --radius: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--navy-700);
    background: var(--white);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul { list-style: none; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--indigo-400);
    outline-offset: 3px;
}

body.menu-open { overflow: hidden; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.15;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.3px;
}

/* ============================================
   3. Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 30px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 14.5px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
    background: linear-gradient(135deg, var(--indigo-600) 0%, var(--blue-600) 50%, var(--violet-600) 100%);
    background-size: 200% 200%;
    color: var(--white);
    box-shadow: 0 4px 16px rgba(79,70,229,0.3), 0 1px 3px rgba(79,70,229,0.2);
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.btn-primary:hover {
    box-shadow: 0 8px 28px rgba(79,70,229,0.4), 0 2px 6px rgba(79,70,229,0.3);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}

.btn-outline {
    background: var(--white);
    color: var(--indigo-600);
    border: 2px solid var(--indigo-100);
    box-shadow: var(--shadow-xs);
}

.btn-outline:hover {
    background: var(--indigo-50);
    border-color: var(--indigo-400);
    box-shadow: 0 4px 16px rgba(99,102,241,0.12);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--slate-600);
    border: 2px solid transparent;
}

.btn-ghost:hover {
    color: var(--indigo-600);
    background: var(--indigo-50);
}

.btn-sm { padding: 9px 20px; font-size: 13px; border-radius: 10px; }
.btn-lg { padding: 17px 38px; font-size: 15.5px; border-radius: 14px; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================
   4. Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
    background: rgba(7,11,24,0.3);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid rgba(196,181,253,0.14);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(28px) saturate(200%);
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    padding: 10px 0;
    box-shadow: 0 1px 0 rgba(15,23,42,0.05), 0 8px 32px rgba(15,23,42,0.04);
    border-bottom-color: rgba(99,102,241,0.06);
}

.navbar:not(.scrolled) .nav-logo { color: var(--white); }
.navbar:not(.scrolled) .nav-links {
    background: rgba(255,255,255,0.08);
    border-color: rgba(196,181,253,0.18);
}
.navbar:not(.scrolled) .nav-link { color: rgba(255,255,255,0.72); }
.navbar:not(.scrolled) .nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}
.navbar.scrolled .nav-logo { color: var(--navy-900); }
.navbar:not(.scrolled) .logo-accent {
    background: linear-gradient(135deg, var(--cyan-400), #c4b5fd, #f0abfc);
    -webkit-background-clip: text;
    background-clip: text;
}

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

.nav-logo {
    font-size: 28px;
    font-weight: 900;
    color: var(--navy-900);
    letter-spacing: -1.2px;
    transition: all var(--transition-fast);
    padding: 6px 0;
}

.nav-logo:hover { transform: scale(1.03); }

.logo-accent {
    background: linear-gradient(135deg, var(--indigo-600), var(--violet-500), var(--pink-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 4px;
    background: rgba(99,102,241,0.04);
    padding: 5px;
    border-radius: 14px;
    border: 1px solid rgba(99,102,241,0.06);
}

.nav-link {
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--slate-500);
    border-radius: 10px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--indigo-600);
    background: rgba(99,102,241,0.06);
}

.nav-link.active {
    color: var(--white);
    background: linear-gradient(135deg, var(--indigo-600), var(--violet-600));
    box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}

.nav-link.active::after { display: none; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--navy-800);
    border-radius: 4px;
    transition: all var(--transition);
    transform-origin: center;
}

.navbar:not(.scrolled) .hamburger span { background: rgba(255,255,255,0.92); }
.navbar:not(.scrolled) .hamburger.active span:nth-child(1),
.navbar:not(.scrolled) .hamburger.active span:nth-child(3) { background: var(--white); }

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5.5px, 5.5px);
    background: var(--indigo-600);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5.5px, -5.5px);
    background: var(--indigo-600);
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(12, 21, 36, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.nav-overlay.active { opacity: 1; visibility: visible; }

/* ============================================
   5. Sections
   ============================================ */
.section { padding: 110px 0; }

.section-header {
    position: relative;
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-header::after {
    content: '';
    display: block;
    width: 52px;
    height: 3px;
    margin: 24px auto 0;
    border-radius: 100px;
    background: linear-gradient(90deg, var(--indigo-500), var(--violet-500), var(--pink-500));
    box-shadow: 0 0 18px rgba(99,102,241,0.24);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--indigo-600);
    background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(139,92,246,0.06));
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 20px;
    border: 1px solid rgba(99,102,241,0.08);
}

.section-label::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--gold-400);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(243,201,105,0.55);
    animation: labelPulse 3s ease-in-out infinite;
}

@keyframes labelPulse {
    0%, 100% { transform: scale(0.9); opacity: 0.72; }
    50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 14px rgba(243,201,105,0.78); }
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    color: var(--navy-900);
    letter-spacing: -0.8px;
}

/* ============================================
   6. Hero
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(90% 100% at 100% 0%, rgba(124,58,237,0.34), transparent 62%),
        radial-gradient(75% 100% at 0% 100%, rgba(37,99,235,0.28), transparent 58%),
        linear-gradient(135deg, #070b18 0%, #101a38 48%, #21184e 100%);
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: -22%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 30% 35%, rgba(99,102,241,0.24), transparent 42%),
        radial-gradient(ellipse at 70% 65%, rgba(236,72,153,0.18), transparent 38%),
        radial-gradient(ellipse at 50% 90%, rgba(34,211,238,0.14), transparent 36%);
    filter: blur(42px);
    animation: auroraDrift 18s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.2;
    background: linear-gradient(115deg, transparent 20%, rgba(255,255,255,0.16) 50%, transparent 80%);
    background-size: 220% 100%;
    animation: lightSweep 14s ease-in-out infinite;
}

.hero-bg-elements {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.4;
}

.hero-float {
    position: absolute;
    border-radius: 50%;
    filter: blur(1px);
}

.hero-float-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
    top: -200px; right: -200px;
    animation: floatSlow 22s ease-in-out infinite;
}

.hero-float-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
    bottom: 5%; left: -120px;
    animation: floatSlow 18s ease-in-out infinite reverse;
}

.hero-float-3 {
    width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
    top: 25%; right: 15%;
    animation: floatSlow 14s ease-in-out infinite;
}

.hero-float-4 {
    width: 180px; height: 180px;
    background: radial-gradient(circle, rgba(236,72,153,0.06) 0%, transparent 70%);
    top: 55%; left: 15%;
    animation: floatSlow 20s ease-in-out infinite reverse;
}

.hero-float-5 {
    width: 120px; height: 120px;
    background: radial-gradient(circle, rgba(34,211,238,0.08) 0%, transparent 70%);
    bottom: 20%; right: 8%;
    animation: floatSlow 12s ease-in-out infinite;
}

.hero-float-6 {
    width: 90px; height: 90px;
    background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
    top: 12%; left: 30%;
    animation: floatSlow 16s ease-in-out infinite reverse;
}

@keyframes floatSlow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.06); }
    50% { transform: translate(-20px, 20px) scale(0.94); }
    75% { transform: translate(15px, 30px) scale(1.03); }
}

@keyframes auroraDrift {
    0%, 100% { transform: translate3d(-2%, -1%, 0) rotate(0deg) scale(1); }
    50% { transform: translate3d(3%, 2%, 0) rotate(3deg) scale(1.06); }
}

@keyframes lightSweep {
    0%, 100% { background-position: 120% 0; opacity: 0.14; }
    50% { background-position: -20% 0; opacity: 0.32; }
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-intro {
    margin-bottom: 20px;
}

.hero-greeting {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    font-weight: 800;
    color: #c4b5fd;
    margin-bottom: 14px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
}

.hero-greeting::before {
    content: '';
    width: 30px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan-400), var(--pink-500));
}

.hero-name {
    display: block;
    font-size: clamp(42px, 6vw, 68px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--navy-900);
}

.hero-first,
.hero-last { display: block; }

.hero-first { color: var(--white); }

.hero-last {
    color: #c4b5fd;
    background: linear-gradient(110deg, var(--cyan-400), #c4b5fd 48%, #f0abfc);
    background-size: 220% 220%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: nameGradient 9s ease-in-out infinite;
}


@keyframes nameGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-title {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700;
    color: #a5f3fc;
    background: linear-gradient(100deg, #67e8f9, #c4b5fd 52%, #f0abfc);
    background-size: 220% 220%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: titleGradient 10s ease-in-out infinite;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

@keyframes titleGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 19px);
    font-weight: 500;
    color: rgba(255,255,255,0.78);
    margin-bottom: 14px;
    letter-spacing: -0.2px;
}

.hero-desc {
    font-size: 15px;
    color: rgba(226,232,240,0.68);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.85;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero .btn-outline {
    color: var(--white);
    background: rgba(255,255,255,0.08);
    border-color: rgba(196,181,253,0.34);
    backdrop-filter: blur(10px);
}

.hero .btn-outline:hover {
    color: var(--white);
    background: rgba(255,255,255,0.16);
    border-color: rgba(240,171,252,0.72);
}

.hero .btn-ghost { color: rgba(255,255,255,0.72); }
.hero .btn-ghost:hover { color: var(--white); background: rgba(255,255,255,0.08); }

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    --neon-ring-size: 394px;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,0.22), rgba(139,92,246,0.08) 42%, transparent 70%);
    filter: blur(18px);
    animation: imageGlow 8s ease-in-out infinite;
    z-index: 0;
}

.hero-image::after {
    content: '';
    position: absolute;
    width: var(--neon-ring-size);
    height: var(--neon-ring-size);
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg 34deg,
        var(--cyan-400) 58deg,
        var(--indigo-400) 112deg,
        var(--violet-500) 168deg,
        var(--pink-500) 218deg,
        transparent 270deg 360deg
    );
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 calc(100% - 5px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 calc(100% - 5px));
    filter: drop-shadow(0 0 5px rgba(34,211,238,0.78)) drop-shadow(0 0 16px rgba(139,92,246,0.44));
    opacity: 0.95;
    z-index: 1;
    pointer-events: none;
    animation: neonOrbit 9s linear infinite;
}

@keyframes neonOrbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-image:hover::after {
    animation-duration: 4.5s;
    filter: drop-shadow(0 0 7px rgba(34,211,238,0.95)) drop-shadow(0 0 22px rgba(240,171,252,0.58));
}

.hero-image img {
    width: 360px;
    height: 360px;
    object-fit: cover;
    border-radius: 50%;
    border: 7px solid rgba(255,255,255,0.94);
    box-shadow: 0 32px 70px rgba(15,23,42,0.18), 0 0 0 1px rgba(99,102,241,0.12);
    position: relative;
    z-index: 2;
    transition: transform var(--transition-slow);
}

.hero-image:hover img { transform: scale(1.03); }

@keyframes imageGlow {
    0%, 100% { transform: scale(0.94); opacity: 0.72; }
    50% { transform: scale(1.06); opacity: 1; }
}

.hero-avatar {
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--indigo-600) 0%, var(--violet-600) 50%, var(--pink-500) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 5px solid var(--white);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-indigo);
    position: relative;
    z-index: 2;
    transition: transform var(--transition-slow);
    background-size: 200% 200%;
    animation: avatarGradient 8s ease infinite;
}

@keyframes avatarGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-image:hover .hero-avatar { transform: scale(1.03); }

.hero-avatar span {
    font-size: 88px;
    font-weight: 900;
    color: var(--white);
    text-shadow: 0 4px 16px rgba(0,0,0,0.15);
    letter-spacing: -2px;
}

.hero-image-ring {
    position: absolute;
    width: 408px;
    height: 408px;
    border-radius: 50%;
    border: 2px dashed rgba(99,102,241,0.24);
    animation: spinSlow 35s linear infinite;
    z-index: 1;
}

@keyframes spinSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-image-dots {
    position: absolute;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background-image: radial-gradient(circle, rgba(196,181,253,0.2) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
    opacity: 0.5;
    z-index: 0;
    animation: spinSlow 50s linear infinite reverse;
}

/* ============================================
   7. About
   ============================================ */
.about-section {
    background:
        radial-gradient(circle at 0% 30%, rgba(99,102,241,0.05), transparent 30%),
        var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-text {
    position: relative;
    padding: 32px 34px;
    background: linear-gradient(145deg, rgba(248,250,252,0.92), rgba(238,242,255,0.72));
    border: 1px solid rgba(99,102,241,0.1);
    border-left: 3px solid var(--indigo-500);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    font-size: 15.5px;
    color: var(--slate-600);
    line-height: 1.9;
}

.about-text p { margin-bottom: 18px; }

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: linear-gradient(145deg, var(--white) 0%, var(--off-white) 100%);
    border: 1px solid rgba(99,102,241,0.06);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:nth-child(2)::before { background: linear-gradient(90deg, var(--cyan-400), var(--indigo-500)); }
.stat-card:nth-child(3)::before { background: linear-gradient(90deg, var(--violet-500), var(--pink-500)); }
.stat-card:nth-child(4)::before { background: linear-gradient(90deg, var(--gold-400), var(--pink-500)); }

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--indigo-500), var(--violet-500), var(--blue-500));
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}

.stat-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, rgba(99,102,241,0.03), rgba(139,92,246,0.03));
    opacity: 0;
    transition: opacity var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow-indigo);
    transform: translateY(-6px);
    border-color: rgba(99,102,241,0.12);
}

.stat-card:hover::before { transform: scaleX(1); }
.stat-card:hover::after { opacity: 1; }

.stat-number {
    font-size: 42px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--indigo-600), var(--violet-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.stat-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    position: relative;
    z-index: 1;
}

/* ============================================
   8. Skills
   ============================================ */
.skills-section {
    background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 50%, var(--off-white) 100%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
    gap: 16px;
}

.skill-card {
    background: var(--white);
    border: 1px solid rgba(99,102,241,0.05);
    border-radius: var(--radius);
    padding: 28px 18px;
    text-align: center;
    transition: all var(--transition);
    cursor: default;
    position: relative;
    overflow: hidden;
    min-height: 178px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.skill-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, rgba(99,102,241,0.04), rgba(139,92,246,0.04));
    opacity: 0;
    transition: opacity var(--transition);
}

.skill-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-7px);
    border-color: rgba(99,102,241,0.12);
}

.skill-card:hover::before { opacity: 1; }

.skill-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--indigo-50), var(--light-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: all var(--transition);
    position: relative;
    z-index: 1;
    border: 1px solid rgba(99,102,241,0.06);
}

.skill-card:hover .skill-icon {
    background: linear-gradient(145deg, var(--indigo-600), var(--violet-600));
    transform: scale(1.1) rotate(-3deg);
    box-shadow: 0 8px 20px rgba(99,102,241,0.3);
    border-color: transparent;
}

.skill-icon i {
    font-size: 21px;
    color: var(--indigo-600);
    transition: all var(--transition);
}

.skill-icon img,
.tool-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 9px;
    border-radius: 13px;
    background: rgba(255,255,255,0.94);
}

.tool-icon img { padding: 11px; }

.skill-card:hover .skill-icon i {
    color: var(--white);
    transform: scale(1.1);
}

.skill-name {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 5px;
    position: relative;
    z-index: 1;
}

.skill-category {
    display: inline-flex;
    align-self: center;
    padding: 4px 9px;
    font-size: 10.5px;
    color: var(--indigo-600);
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.08);
    border-radius: 100px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

/* ============================================
   9. Tools
   ============================================ */
.tools-section {
    background:
        radial-gradient(circle at 100% 45%, rgba(139,92,246,0.055), transparent 32%),
        var(--white);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.tool-card {
    background: var(--white);
    border: 1px solid rgba(99,102,241,0.05);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.tool-card::before {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    top: -92px;
    right: -62px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(196,181,253,0.16), transparent 68%);
    pointer-events: none;
}

.tool-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--indigo-500), var(--violet-500), var(--blue-500));
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}

.tool-card:hover {
    box-shadow: var(--shadow-xl), var(--shadow-glow-indigo);
    transform: translateY(-6px);
    border-color: rgba(99,102,241,0.1);
}

.tool-card:hover::after { transform: scaleX(1); }

.tool-icon {
    width: 62px;
    height: 62px;
    border-radius: 18px;
    background: linear-gradient(145deg, var(--indigo-600), var(--violet-600));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(99,102,241,0.22);
    transition: all var(--transition);
}

.tool-card:hover .tool-icon {
    transform: scale(1.08) rotate(-2deg);
    box-shadow: 0 12px 28px rgba(99,102,241,0.32);
}

.tool-icon i { font-size: 25px; color: var(--white); }

.tool-name {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.2px;
}

.tool-desc {
    font-size: 13px;
    color: var(--slate-500);
    line-height: 1.75;
}

/* ============================================
   10. Experience Timeline
   ============================================ */
.experience-section {
    background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
}

.timeline {
    position: relative;
    max-width: 920px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--indigo-200) 10%, var(--violet-500) 52%, var(--indigo-200) 90%, transparent);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 44px 64px;
}

.timeline-left { left: 0; text-align: right; }
.timeline-right { left: 50%; text-align: left; }

.timeline-dot {
    position: absolute;
    top: 10px;
    width: 18px;
    height: 18px;
    background: var(--white);
    border: 3px solid var(--indigo-500);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(99,102,241,0.1);
    transition: all var(--transition);
}

.timeline-item:hover .timeline-dot {
    background: var(--indigo-500);
    box-shadow: 0 0 0 6px rgba(99,102,241,0.18), 0 0 20px rgba(99,102,241,0.12);
}

.timeline-left .timeline-dot { right: -9px; }
.timeline-right .timeline-dot { left: -9px; }

.timeline-card {
    background: var(--white);
    border: 1px solid rgba(99,102,241,0.06);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: left;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.timeline-card:hover {
    box-shadow: var(--shadow-xl), var(--shadow-glow-indigo);
    transform: translateY(-4px);
    border-color: rgba(99,102,241,0.12);
}

.timeline-date {
    font-size: 13px;
    color: var(--indigo-600);
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    width: fit-content;
    padding: 5px 0;
}

.timeline-current {
    background: linear-gradient(135deg, var(--green-50), #d1fae5);
    color: var(--green-600);
    padding: 3px 12px;
    border-radius: 100px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border: 1px solid rgba(16,185,129,0.15);
}

.timeline-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.timeline-company {
    font-size: 14px;
    color: var(--slate-500);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-desc {
    font-size: 13.5px;
    color: var(--slate-600);
    margin-bottom: 16px;
    line-height: 1.75;
}

.timeline-details h4,
.timeline-achievements h4 {
    font-size: 12.5px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--navy-800);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-details ul,
.timeline-achievements ul { list-style: none; margin-bottom: 16px; }

.timeline-details li,
.timeline-achievements li {
    font-size: 13px;
    color: var(--slate-600);
    padding: 3px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.65;
}

.timeline-details li::before {
    content: '';
    position: absolute;
    left: 0; top: 12px;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--indigo-200);
    border: 2px solid var(--indigo-400);
}

.timeline-achievements li::before {
    content: '';
    position: absolute;
    left: 0; top: 12px;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green-400);
    border: 2px solid var(--green-500);
    box-shadow: 0 0 6px rgba(16,185,129,0.3);
}

.timeline-tools { display: flex; flex-wrap: wrap; gap: 8px; }

.tool-tag {
    display: inline-block;
    padding: 5px 14px;
    background: linear-gradient(135deg, rgba(99,102,241,0.05), rgba(139,92,246,0.05));
    color: var(--indigo-600);
    font-size: 11px;
    font-weight: 700;
    border-radius: 100px;
    border: 1px solid rgba(99,102,241,0.08);
    transition: all var(--transition-fast);
}

.tool-tag:hover {
    background: linear-gradient(135deg, var(--indigo-600), var(--violet-600));
    color: var(--white);
    border-color: transparent;
}

/* ============================================
   11. Education
   ============================================ */
.education-section {
    background:
        radial-gradient(circle at 96% 10%, rgba(99,102,241,0.05), transparent 28%),
        var(--white);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(480px, 100%), 1fr));
    gap: 24px;
    max-width: 1020px;
    margin: 0 auto;
}

.education-card {
    background: linear-gradient(145deg, var(--white), var(--off-white));
    border: 1px solid rgba(99,102,241,0.06);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    gap: 22px;
    transition: all var(--transition);
}

.education-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
    border-color: rgba(99,102,246,0.12);
    background: var(--white);
}

.education-icon {
    width: 56px; height: 56px; min-width: 56px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--indigo-600), var(--violet-600));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(99,102,241,0.18);
}

.education-icon i { font-size: 22px; color: var(--white); }

.education-content { flex: 1; }

.education-date {
    font-size: 13px;
    color: var(--indigo-600);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    width: fit-content;
}

.education-degree {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.2px;
}

.education-school {
    font-size: 14px;
    color: var(--slate-500);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.education-desc {
    font-size: 13.5px;
    color: var(--slate-600);
    line-height: 1.75;
    margin-bottom: 12px;
}

.education-courses { font-size: 13px; color: var(--slate-500); line-height: 1.7; }
.education-courses strong { color: var(--navy-800); }

/* ============================================
   12. Projects
   ============================================ */
.projects-section {
    background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 28px;
}

.project-card {
    background: var(--white);
    border: 1px solid rgba(99,102,241,0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    box-shadow: var(--shadow-2xl), var(--shadow-glow-indigo);
    transform: translateY(-8px);
    border-color: rgba(99,102,241,0.15);
}

.project-image {
    position: relative;
    height: 210px;
    overflow: hidden;
    background: linear-gradient(145deg, var(--indigo-50), var(--light-blue), #f3e8ff, #eef6ff);
    background-size: 300% 300%;
    animation: gradientShift 12s ease infinite;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(255,255,255,0.38);
    border-radius: 12px;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.96);
    transition: opacity var(--transition), transform var(--transition);
}

.project-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover .project-image img { transform: scale(1.08); }
.project-card:hover .project-image::before { opacity: 1; transform: scale(1); }

.project-image-placeholder {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image-placeholder i { font-size: 52px; color: rgba(99,102,241,0.15); }

.project-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15,23,42,0.05) 100%);
    pointer-events: none;
}

.project-content {
    min-height: 214px;
    padding: 26px;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 10px;
    line-height: 1.3;
    letter-spacing: -0.3px;
}

.project-summary {
    font-size: 13.5px;
    color: var(--slate-500);
    line-height: 1.75;
    margin-bottom: 18px;
    flex: 1;
}

.project-link { align-self: flex-start; margin-top: 4px; }
.project-link i { transition: transform var(--transition-fast); }
.project-link:hover i { transform: translate(2px, -2px); }

/* ============================================
   13. Certifications
   ============================================ */
.certs-section {
    background:
        radial-gradient(circle at 10% 70%, rgba(34,211,238,0.05), transparent 28%),
        var(--white);
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.cert-card {
    position: relative;
    background: linear-gradient(145deg, var(--white), var(--off-white));
    border: 1px solid rgba(99,102,241,0.06);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all var(--transition);
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan-400), var(--violet-500), var(--pink-500));
    transform: scaleX(0.35);
    transform-origin: left;
    transition: transform var(--transition);
}

.cert-card:hover::before { transform: scaleX(1); }

.cert-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: rgba(99,102,241,0.12);
    background: var(--white);
}

.cert-icon {
    width: 56px; height: 56px; min-width: 56px;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(99,102,241,0.06), rgba(139,92,246,0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid rgba(99,102,241,0.08);
    transition: all var(--transition);
}

.cert-card:hover .cert-icon {
    background: linear-gradient(145deg, var(--indigo-600), var(--violet-600));
    border-color: transparent;
}

.cert-icon i {
    font-size: 23px;
    color: var(--indigo-600);
    transition: color var(--transition);
}

.cert-card:hover .cert-icon i { color: var(--white); }
.cert-icon img { width: 100%; height: 100%; object-fit: cover; }

.cert-name {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 5px;
    line-height: 1.3;
}

.cert-org { font-size: 13.5px; color: var(--slate-500); margin-bottom: 12px; }

.cert-meta { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }

.cert-meta span {
    font-size: 12px;
    color: var(--slate-400);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

/* ============================================
   14. Resume CTA
   ============================================ */
.resume-section {
    background: linear-gradient(135deg, var(--indigo-700) 0%, var(--blue-700) 30%, var(--violet-600) 60%, var(--indigo-600) 100%);
    background-size: 300% 300%;
    animation: gradientShift 10s ease infinite;
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}

.resume-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(255,255,255,0.06) 0%, transparent 60%);
    pointer-events: none;
}

.resume-section::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.16;
    background-image: radial-gradient(rgba(255,255,255,0.55) 1px, transparent 1px);
    background-size: 24px 24px;
    mask-image: linear-gradient(90deg, transparent, black 25%, black 75%, transparent);
    pointer-events: none;
}

.resume-cta {
    padding: 46px 42px;
    background: rgba(7,11,24,0.14);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: var(--radius-xl);
    box-shadow: 0 24px 70px rgba(7,11,24,0.18);
    backdrop-filter: blur(14px);
    text-align: center;
    max-width: 620px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.resume-cta-text h2 {
    color: var(--white);
    font-size: clamp(26px, 3.5vw, 38px);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.resume-cta-text p {
    color: rgba(255,255,255,0.78);
    font-size: 15.5px;
    margin-bottom: 36px;
    line-height: 1.8;
}

.resume-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.resume-cta .btn-primary {
    background: var(--white);
    color: var(--indigo-700);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    animation: none;
    font-weight: 800;
}

.resume-cta .btn-primary:hover {
    background: var(--off-white);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.resume-cta .btn-outline {
    border-color: rgba(255,255,255,0.3);
    color: var(--white);
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(8px);
}

.resume-cta .btn-outline:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
}

/* ============================================
   15. Contact
   ============================================ */
.contact-section {
    background:
        radial-gradient(circle at 0% 100%, rgba(99,102,241,0.07), transparent 32%),
        linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 28px; }

.contact-info-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: all var(--transition-fast);
    padding: 8px 0;
    border-radius: 16px;
}

.contact-info-item:hover { transform: translateX(6px); }

.contact-info-icon {
    width: 52px; height: 52px; min-width: 52px;
    border-radius: 14px;
    background: linear-gradient(145deg, var(--indigo-600), var(--violet-600));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(99,102,241,0.18);
    transition: all var(--transition);
}

.contact-info-item:hover .contact-info-icon {
    transform: scale(1.08) rotate(-3deg);
    box-shadow: 0 8px 24px rgba(99,102,241,0.28);
}

.contact-info-icon i { font-size: 19px; color: var(--white); }

.contact-info-item h4 {
    font-size: 12.5px;
    font-weight: 800;
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-info-item p,
.contact-info-item a { font-size: 14px; color: var(--slate-500); }
.contact-info-item a:hover { color: var(--indigo-600); }

.contact-form {
    background: var(--white);
    border: 1px solid rgba(99,102,241,0.06);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--indigo-500), var(--violet-500), var(--blue-500), var(--pink-500));
    background-size: 300% 100%;
    animation: gradientShift 6s ease infinite;
}

.form-group { margin-bottom: 22px; }

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 800;
    color: var(--navy-800);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e8ecf2;
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    color: var(--navy-800);
    background: var(--white);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--indigo-400);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.08);
}

.form-input.error {
    border-color: var(--red-400);
    box-shadow: 0 0 0 4px rgba(239,68,68,0.06);
}

.form-textarea { resize: vertical; min-height: 130px; }

.form-error {
    display: block;
    font-size: 12px;
    color: var(--red-500);
    margin-top: 6px;
    min-height: 18px;
    font-weight: 500;
}

.form-honeypot {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.form-global-error {
    color: var(--red-500);
    font-size: 13px;
    font-weight: 600;
    margin-top: 16px;
}

.form-success {
    margin-top: 18px;
    padding: 16px 20px;
    background: linear-gradient(145deg, var(--green-50), #d1fae5);
    color: var(--green-600);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(16,185,129,0.15);
}

/* ============================================
   16. Footer
   ============================================ */
.footer {
    background: linear-gradient(180deg, var(--navy-900) 0%, #080f1a 100%);
    color: rgba(255,255,255,0.5);
    padding: 70px 0 34px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 44px;
}

.footer-brand p {
    font-size: 14px;
    margin-top: 14px;
    line-height: 1.8;
    max-width: 320px;
}

.footer-brand .nav-logo { color: var(--white); }

.footer-links h4 {
    color: var(--white);
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.68);
    padding: 5px 0;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 28px;
    text-align: center;
}

.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.58); }

/* ============================================
   17. Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    html { scroll-behavior: auto; }
}

/* ============================================
   18. Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 44px;
    }

    .hero-greeting { display: inline-flex; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }

    .hero-image img, .hero-avatar { width: 280px; height: 280px; }
    .hero-image::before { width: 340px; height: 340px; }
    .hero-image { --neon-ring-size: 314px; }
    .hero-image-ring { width: 320px; height: 320px; }
    .hero-image-dots { width: 360px; height: 360px; }

    .about-grid { grid-template-columns: 1fr; gap: 44px; }

    .timeline-item { width: 100%; padding-left: 0; padding-right: 0; }
    .timeline-left, .timeline-right { left: 0; text-align: left; }

    .contact-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .section { padding: 76px 0; }
    .section-header { margin-bottom: 44px; }

    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 290px; height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 88px 28px 28px;
        box-shadow: -16px 0 48px rgba(15,23,42,0.12);
        transition: right var(--transition);
        z-index: 999;
        gap: 4px;
        align-items: stretch;
        border-radius: 0;
        border: none;
        background: rgba(255,255,255,0.96);
        backdrop-filter: blur(24px);
    }

    .nav-links.open { right: 0; }
    .navbar:not(.scrolled) .nav-links {
        background: rgba(255,255,255,0.97);
        border: none;
    }
    .navbar:not(.scrolled) .nav-link { color: var(--navy-700); }
    .navbar:not(.scrolled) .nav-link:hover {
        color: var(--indigo-600);
        background: rgba(99,102,241,0.06);
    }
    .nav-link { padding: 14px 18px; font-size: 15px; border-radius: 12px; }
    .hamburger { display: flex; }

    .hero { min-height: auto; padding: 120px 0 64px; }

    .hero-image img, .hero-avatar { width: 220px; height: 220px; }
    .hero-image::before { width: 280px; height: 280px; }
    .hero-image { --neon-ring-size: 254px; }
    .hero-image-ring { width: 260px; height: 260px; }
    .hero-image-dots { width: 300px; height: 300px; }

    .skills-grid { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); gap: 12px; }
    .skill-card { padding: 20px 12px; }
    .tools-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .education-grid { grid-template-columns: 1fr; }
    .certs-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 36px; }

    .resume-cta-buttons { flex-direction: column; align-items: center; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 280px; justify-content: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }

    .about-stats { grid-template-columns: 1fr; }

    .stat-card {
        display: flex;
        align-items: center;
        gap: 20px;
        text-align: left;
        padding: 22px 24px;
    }

    .stat-number { font-size: 36px; margin-bottom: 0; min-width: 60px; }
    .education-card { flex-direction: column; gap: 18px; }
    .cert-card { flex-direction: column; gap: 18px; }

    .contact-form { padding: 28px 22px; border-radius: var(--radius-lg); }
    .hero-name { letter-spacing: -1.5px; }
}

/* ============================================
   19. Unified Night Theme
   ============================================ */
:root {
    --night-950: #08111f;
    --night-900: #0b1728;
    --night-850: #0f1d31;
    --night-800: #132640;
    --night-750: #172d49;
    --night-border: rgba(148,163,184,0.16);
    --night-border-strong: rgba(129,140,248,0.28);
    --night-text: #edf4ff;
    --night-soft: #d6e1ef;
    --night-muted: #9fb0c5;
    --night-faint: #7f93ad;
}

html {
    background: var(--night-950);
    color-scheme: dark;
}

body {
    color: var(--night-soft);
    background:
        radial-gradient(circle at 8% 12%, rgba(56,189,248,0.055), transparent 28%),
        radial-gradient(circle at 92% 44%, rgba(129,140,248,0.06), transparent 30%),
        var(--night-950);
}

h1, h2, h3, h4 { color: var(--night-text); }

.navbar.scrolled {
    background: rgba(8,17,31,0.9);
    border-bottom-color: var(--night-border);
    box-shadow: 0 8px 32px rgba(0,0,0,0.22);
}

.navbar.scrolled .nav-logo { color: var(--night-text); }
.navbar.scrolled .nav-links {
    background: rgba(19,38,64,0.72);
    border-color: var(--night-border);
}
.navbar.scrolled .nav-link { color: var(--night-muted); }
.navbar.scrolled .nav-link:hover {
    color: var(--night-text);
    background: rgba(129,140,248,0.12);
}
.navbar.scrolled .hamburger span { background: var(--night-text); }

.section-title { color: var(--night-text); }
.section-label {
    color: #b8c4ff;
    background: rgba(99,102,241,0.12);
    border-color: rgba(129,140,248,0.2);
}

.about-section {
    background:
        radial-gradient(circle at 12% 18%, rgba(56,189,248,0.08), transparent 30%),
        linear-gradient(145deg, #0b1728, #0d1b2f 52%, #101d34);
}

.skills-section {
    background:
        linear-gradient(135deg, rgba(56,189,248,0.035), transparent 36%),
        linear-gradient(180deg, #0e1c30, #0b1728);
}

.tools-section {
    background:
        radial-gradient(circle at 92% 20%, rgba(139,92,246,0.1), transparent 30%),
        #0b1728;
}

.experience-section {
    background:
        linear-gradient(135deg, rgba(99,102,241,0.07), transparent 38%),
        linear-gradient(180deg, #0e1d32, #0b1728);
}

.education-section {
    background:
        radial-gradient(circle at 86% 12%, rgba(34,211,238,0.07), transparent 28%),
        #0b1728;
}

.projects-section {
    background:
        linear-gradient(135deg, rgba(129,140,248,0.055), transparent 42%),
        linear-gradient(180deg, #0e1d32, #0b1728);
}

.certs-section {
    background:
        radial-gradient(circle at 12% 76%, rgba(34,211,238,0.07), transparent 28%),
        #0b1728;
}

.contact-section {
    background:
        radial-gradient(circle at 0% 100%, rgba(99,102,241,0.1), transparent 34%),
        linear-gradient(180deg, #0e1d32, #0b1728);
}

.about-text,
.stat-card,
.skill-card,
.tool-card,
.timeline-card,
.education-card,
.project-card,
.cert-card,
.contact-form {
    background: linear-gradient(145deg, rgba(19,38,64,0.94), rgba(13,29,49,0.96));
    border-color: var(--night-border);
    box-shadow: 0 18px 42px rgba(0,0,0,0.18);
}

.about-text {
    color: var(--night-soft);
    border-left-color: var(--indigo-400);
}

.about-text p,
.tool-desc,
.timeline-desc,
.timeline-details li,
.timeline-achievements li,
.education-desc,
.education-courses,
.project-summary,
.cert-org,
.contact-info-item p,
.contact-info-item a {
    color: var(--night-muted);
}

.stat-card:hover,
.skill-card:hover,
.tool-card:hover,
.timeline-card:hover,
.education-card:hover,
.project-card:hover,
.cert-card:hover {
    background: linear-gradient(145deg, rgba(25,48,79,0.98), rgba(16,35,59,0.98));
    border-color: var(--night-border-strong);
    box-shadow: 0 22px 48px rgba(0,0,0,0.28), 0 0 34px rgba(99,102,241,0.08);
}

.stat-label,
.skill-category,
.timeline-date,
.education-date,
.cert-meta span {
    color: var(--night-muted);
}

.skill-category,
.tool-tag,
.cert-meta span {
    background: rgba(129,140,248,0.1);
    border-color: rgba(129,140,248,0.2);
}

.skill-category,
.tool-tag { color: #b8c4ff; }

.timeline-company,
.education-school { color: var(--night-muted); }

.timeline-details h4,
.timeline-achievements h4,
.education-courses strong { color: var(--night-text); }

.project-image {
    background: linear-gradient(145deg, #122744, #162d4a, #1a2850);
}

.project-image-placeholder i { color: rgba(165,180,252,0.42); }

.cert-icon,
.skill-icon {
    background: linear-gradient(145deg, rgba(99,102,241,0.16), rgba(34,211,238,0.08));
    border-color: rgba(129,140,248,0.2);
}

.cert-name,
.skill-name,
.tool-name,
.timeline-title,
.education-degree,
.project-title { color: var(--night-text); }

.contact-info-item a:hover { color: #a5b4fc; }

.resume-section {
    background:
        radial-gradient(circle at 16% 30%, rgba(34,211,238,0.14), transparent 30%),
        linear-gradient(135deg, #182a57, #26326b 50%, #39235f);
}

.contact-form { border-color: var(--night-border-strong); }
.form-group label { color: var(--night-soft); }
.form-input {
    color: var(--night-text);
    background: rgba(8,17,31,0.64);
    border-color: rgba(148,163,184,0.24);
}
.form-input::placeholder { color: var(--night-faint); }
.form-input:focus {
    background: rgba(8,17,31,0.82);
    border-color: var(--indigo-400);
}

.footer {
    background: linear-gradient(180deg, #060d19, #08111f);
    border-top: 1px solid rgba(148,163,184,0.1);
}

@media (max-width: 900px) {
    .nav-links,
    .navbar:not(.scrolled) .nav-links,
    .navbar.scrolled .nav-links {
        background: rgba(11,23,40,0.98);
        border: 1px solid var(--night-border);
    }

    .navbar:not(.scrolled) .nav-link,
    .navbar.scrolled .nav-link { color: var(--night-muted); }
    .navbar:not(.scrolled) .nav-link:hover,
    .navbar.scrolled .nav-link:hover {
        color: var(--night-text);
        background: rgba(129,140,248,0.14);
    }
}

::selection {
    color: var(--night-text);
    background: rgba(99,102,241,0.62);
}

.cert-credential-id {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
}

.cert-content {
    flex: 1 1 auto;
    min-width: 0;
}

.cert-meta {
    width: 100%;
    max-width: 320px;
    min-width: 0;
}

.cert-meta > span {
    width: 100%;
    min-height: 28px;
    padding: 5px 10px;
    border: 1px solid rgba(129,140,248,0.1);
    border-radius: 7px;
    background: rgba(129,140,248,0.08);
    overflow: hidden;
}

.cert-meta > span:first-child {
    white-space: nowrap;
    text-overflow: ellipsis;
}

.cert-credential-id .cert-value {
    display: block;
    flex: 1 1 auto;
    min-width: 0;
    max-width: none;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: inherit;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cert-card,
.cert-content,
.cert-meta {
    min-width: 0;
}

.cert-name,
.cert-org { overflow-wrap: anywhere; }

.cert-verify-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    max-width: 100%;
    margin-top: 10px;
    padding: 9px 14px;
    border: 1px solid rgba(129,140,248,0.28);
    border-radius: 10px;
    color: #d9e1ff;
    background: linear-gradient(135deg, rgba(99,102,241,0.24), rgba(34,211,238,0.1));
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    transition: all var(--transition-fast);
}

.cert-verify-btn:hover,
.cert-verify-btn:focus-visible {
    color: var(--night-text);
    background: linear-gradient(135deg, rgba(99,102,241,0.38), rgba(34,211,238,0.18));
    border-color: rgba(165,180,252,0.58);
    transform: translateY(-2px);
}

@media (max-width: 480px) {
    .cert-meta { max-width: 100%; }
    .cert-verify-btn { width: 100%; }
}

/* Restored JARVIS-style profile HUD */
.hero-image {
    --jarvis-outer-size: 414px;
    --jarvis-inner-size: 386px;
}

.hero-image::before {
    width: var(--jarvis-outer-size);
    height: var(--jarvis-outer-size);
    background: conic-gradient(
        from 0deg,
        transparent 0deg 14deg,
        rgba(103,232,249,0.98) 15deg 24deg,
        transparent 25deg 66deg,
        rgba(167,139,250,0.92) 67deg 70deg,
        transparent 71deg 132deg,
        rgba(240,171,252,0.9) 133deg 144deg,
        transparent 145deg 212deg,
        rgba(103,232,249,0.9) 213deg 216deg,
        transparent 217deg 300deg,
        rgba(167,139,250,0.88) 301deg 312deg,
        transparent 313deg 360deg
    );
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
    filter: drop-shadow(0 0 4px rgba(103,232,249,0.9)) drop-shadow(0 0 15px rgba(99,102,241,0.38));
    opacity: 0.88;
    z-index: 1;
    animation: jarvisOuterOrbit 13s linear infinite;
}

.hero-image::after {
    display: block;
    width: var(--jarvis-inner-size);
    height: var(--jarvis-inner-size);
    border: 1px solid rgba(103,232,249,0.28);
    border-top-color: rgba(103,232,249,0.86);
    border-right-color: rgba(167,139,250,0.7);
    border-bottom-color: rgba(240,171,252,0.38);
    border-left-color: transparent;
    background: none;
    -webkit-mask: none;
    mask: none;
    filter: drop-shadow(0 0 5px rgba(103,232,249,0.42));
    opacity: 0.68;
    animation: jarvisInnerOrbit 8s linear infinite reverse;
}

@keyframes jarvisOuterOrbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes jarvisInnerOrbit {
    from { transform: rotate(0deg) scale(0.98); }
    to { transform: rotate(360deg) scale(0.98); }
}

.hero-image img,
.hero-avatar {
    border: 2px solid rgba(103,232,249,0.48);
    box-shadow:
        0 0 0 1px rgba(167,139,250,0.26),
        0 0 18px rgba(103,232,249,0.3),
        0 0 34px rgba(99,102,241,0.2),
        0 26px 58px rgba(0,0,0,0.28);
}

.hero-image:hover img,
.hero-image:hover .hero-avatar {
    transform: none;
    box-shadow:
        0 0 0 1px rgba(167,139,250,0.3),
        0 0 20px rgba(103,232,249,0.38),
        0 0 38px rgba(99,102,241,0.24),
        0 26px 58px rgba(0,0,0,0.3);
}

.hero-image:hover::before,
.hero-image:hover::before,
.hero-image:hover::after { animation-duration: 13s; }

.hero-image-ring,
.hero-image-dots { display: none; }

@media (max-width: 1024px) {
    .hero-image {
        --jarvis-outer-size: 334px;
        --jarvis-inner-size: 310px;
    }
}

@media (max-width: 900px) {
    .hero-image {
        --jarvis-outer-size: 274px;
        --jarvis-inner-size: 250px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-image::before,
    .hero-image::after { animation: none; }
}

/* Refined fast JARVIS side-orbit treatment */
.hero-image {
    --jarvis-outer-size: 414px;
    --jarvis-inner-size: 386px;
    --jarvis-side-size: 184px;
}

.hero-image::before {
    width: var(--jarvis-outer-size);
    height: var(--jarvis-outer-size);
    background: conic-gradient(
        from 0deg,
        transparent 0deg 10deg,
        rgba(103,232,249,0.98) 11deg 23deg,
        transparent 24deg 58deg,
        rgba(167,139,250,0.92) 59deg 64deg,
        transparent 65deg 118deg,
        rgba(240,171,252,0.92) 119deg 132deg,
        transparent 133deg 190deg,
        rgba(103,232,249,0.9) 191deg 196deg,
        transparent 197deg 276deg,
        rgba(167,139,250,0.9) 277deg 289deg,
        transparent 290deg 360deg
    );
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
    filter: drop-shadow(0 0 5px rgba(103,232,249,0.9)) drop-shadow(0 0 16px rgba(139,92,246,0.42));
    opacity: 0.9;
    animation: jarvisMainSpin 5.5s linear infinite;
}

.hero-image::after {
    display: block;
    width: var(--jarvis-inner-size);
    height: var(--jarvis-inner-size);
    border: 1px solid rgba(103,232,249,0.25);
    border-top-color: rgba(103,232,249,0.82);
    border-right-color: rgba(167,139,250,0.72);
    border-bottom-color: rgba(240,171,252,0.4);
    border-left-color: transparent;
    background: none;
    -webkit-mask: none;
    mask: none;
    filter: drop-shadow(0 0 5px rgba(103,232,249,0.46));
    opacity: 0.68;
    animation: jarvisInnerSpin 3.6s linear infinite reverse;
}

@keyframes jarvisMainSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes jarvisInnerSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-image-ring,
.hero-image-dots {
    display: block;
    position: absolute;
    top: 50%;
    width: var(--jarvis-side-size);
    height: var(--jarvis-side-size);
    border-radius: 50%;
    opacity: 0.86;
    z-index: 1;
    pointer-events: none;
    background: none;
}

.hero-image-ring {
    left: calc(var(--jarvis-side-size) * -0.43);
    border: 1px solid rgba(103,232,249,0.72);
    border-right-color: transparent;
    border-bottom-color: rgba(167,139,250,0.28);
    box-shadow: 0 0 10px rgba(103,232,249,0.32);
    animation: jarvisLeftOrbit 4.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.hero-image-dots {
    right: calc(var(--jarvis-side-size) * -0.43);
    border: 1px solid rgba(240,171,252,0.7);
    border-left-color: transparent;
    border-top-color: rgba(103,232,249,0.28);
    box-shadow: 0 0 10px rgba(240,171,252,0.28);
    animation: jarvisRightOrbit 4.2s cubic-bezier(0.4, 0, 0.2, 1) infinite reverse;
}

@keyframes jarvisLeftOrbit {
    0%, 100% { transform: translate(-12px, -50%) rotate(-36deg); }
    50% { transform: translate(10px, -50%) rotate(144deg); }
}

@keyframes jarvisRightOrbit {
    0%, 100% { transform: translate(12px, -50%) rotate(36deg); }
    50% { transform: translate(-10px, -50%) rotate(-144deg); }
}

.hero-image:hover::before,
.hero-image:hover::after { animation-duration: 5.5s; }

.hero-image:hover .hero-image-ring,
.hero-image:hover .hero-image-dots { animation-duration: 4.2s; }

@media (max-width: 1024px) {
    .hero-image {
        --jarvis-outer-size: 334px;
        --jarvis-inner-size: 310px;
        --jarvis-side-size: 148px;
    }
}

@media (max-width: 900px) {
    .hero-image {
        --jarvis-outer-size: 274px;
        --jarvis-inner-size: 250px;
        --jarvis-side-size: 126px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-image::before,
    .hero-image::after,
    .hero-image-ring,
    .hero-image-dots { animation: none; }
}

/* Keep the side orbit circles quiet behind the profile image */
.hero-image-ring,
.hero-image-dots {
    opacity: 0.14;
    box-shadow: none;
}

/* Keep the profile image identical on hover */
.hero-image:hover img,
.hero-image:hover .hero-avatar {
    transform: none;
    border: 4px solid rgba(103,232,249,0.58);
    box-shadow:
        0 0 0 1px rgba(167,139,250,0.34),
        0 0 14px rgba(103,232,249,0.52),
        0 0 30px rgba(139,92,246,0.28),
        0 28px 62px rgba(0,0,0,0.28);
}

.hero-image:hover::before {
    animation-duration: 11s;
    filter: drop-shadow(0 0 4px rgba(103,232,249,0.72)) drop-shadow(0 0 18px rgba(99,102,241,0.24));
}

.hero-image:hover::after {
    animation-duration: 15s;
    filter: drop-shadow(0 0 4px rgba(103,232,249,0.28));
}

.hero-image:hover .hero-image-ring,
.hero-image:hover .hero-image-dots {
    animation-duration: 9s;
}

/* Premium card surfaces */
.about-text,
.stat-card,
.skill-card,
.tool-card,
.timeline-card,
.education-card,
.project-card,
.cert-card,
.contact-form {
    border: 1px solid rgba(148,163,184,0.17);
    background:
        radial-gradient(circle at 100% 0%, rgba(129,140,248,0.12), transparent 34%),
        linear-gradient(145deg, rgba(24,48,79,0.9), rgba(10,25,43,0.96));
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.07),
        inset 0 -1px 0 rgba(0,0,0,0.2),
        0 18px 42px rgba(0,0,0,0.2);
}

.about-text,
.stat-card,
.skill-card,
.tool-card,
.timeline-card,
.education-card,
.project-card,
.cert-card,
.contact-form {
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.about-text:hover,
.stat-card:hover,
.skill-card:hover,
.tool-card:hover,
.timeline-card:hover,
.education-card:hover,
.project-card:hover,
.cert-card:hover,
.contact-form:hover {
    border-color: rgba(129,140,248,0.38);
    background:
        radial-gradient(circle at 100% 0%, rgba(103,232,249,0.14), transparent 36%),
        linear-gradient(145deg, rgba(29,57,93,0.94), rgba(12,30,51,0.98));
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.1),
        0 26px 58px rgba(0,0,0,0.3),
        0 0 34px rgba(99,102,241,0.1);
}

.stat-card,
.skill-card,
.tool-card,
.timeline-card,
.education-card,
.project-card,
.cert-card {
    overflow: hidden;
}

.skill-card,
.education-card,
.project-card { position: relative; }

.skill-card::after,
.education-card::after,
.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(103,232,249,0.1);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.skill-card:hover::after,
.education-card:hover::after,
.project-card:hover::after { opacity: 1; }

.skill-icon,
.tool-icon,
.education-icon,
.contact-info-icon,
.cert-icon {
    border: 1px solid rgba(165,180,252,0.22);
    background: linear-gradient(145deg, rgba(99,102,241,0.25), rgba(34,211,238,0.08));
}

.project-image {
    border-bottom: 1px solid rgba(148,163,184,0.12);
}

.form-input {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

@media (prefers-reduced-motion: reduce) {
    .about-text,
    .stat-card,
    .skill-card,
    .tool-card,
    .timeline-card,
    .education-card,
    .project-card,
    .cert-card,
    .contact-form { transition: none; }
}

/* Premium certification cards */
.certs-grid { gap: 28px; }

.cert-card {
    position: relative;
    isolation: isolate;
    min-width: 0;
    background:
        radial-gradient(circle at 8% 0%, rgba(103,232,249,0.12), transparent 32%),
        radial-gradient(circle at 100% 100%, rgba(167,139,250,0.1), transparent 38%),
        linear-gradient(145deg, rgba(24,48,79,0.96), rgba(9,23,40,0.98));
    border-color: rgba(165,180,252,0.2);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.09),
        inset 0 -1px 0 rgba(0,0,0,0.24),
        0 20px 46px rgba(0,0,0,0.22);
}

.cert-card::before {
    height: 3px;
    transform: scaleX(0.35);
    background: linear-gradient(90deg, var(--premium-cyan), var(--premium-violet), var(--premium-pink));
    background-size: 200% 100%;
}

.cert-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(103,232,249,0.1);
    border-radius: inherit;
    pointer-events: none;
    opacity: 0.7;
}

.cert-card:hover {
    border-color: rgba(165,180,252,0.4);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.12),
        0 28px 60px rgba(0,0,0,0.32),
        0 0 36px rgba(99,102,241,0.12);
}

.cert-icon {
    flex: 0 0 56px;
    border-color: rgba(103,232,249,0.24);
    background: linear-gradient(145deg, rgba(103,232,249,0.14), rgba(129,140,248,0.18));
    box-shadow: 0 10px 24px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.12);
}

.cert-icon img {
    object-fit: contain;
    padding: 8px;
    background: rgba(255,255,255,0.94);
}

.cert-content {
    display: flex;
    flex-direction: column;
}

.cert-name { letter-spacing: -0.25px; }
.cert-org { color: var(--night-muted); }

.cert-meta {
    margin-top: auto;
    padding-top: 8px;
}

.cert-meta > span {
    min-height: 30px;
    color: var(--night-soft);
    background: rgba(37,59,97,0.62);
    border-color: rgba(148,163,184,0.14);
}

.cert-verify-btn {
    align-self: flex-start;
    min-height: 40px;
    letter-spacing: 0.1px;
}

@media (max-width: 480px) {
    .cert-card { padding: 22px; }
    .cert-verify-btn { align-self: stretch; }
}

@media (prefers-reduced-motion: reduce) {
    .cert-card::before { transition: none; }
}

/* Clean reference-style image orbits */
.hero-image {
    --orbit-outer-size: 414px;
    --orbit-inner-size: 386px;
    --orbit-side-size: 232px;
}

.hero-image::before {
    width: var(--orbit-outer-size);
    height: var(--orbit-outer-size);
    background: conic-gradient(
        from 12deg,
        transparent 0deg 32deg,
        rgba(103,232,249,0.92) 42deg 58deg,
        transparent 70deg 148deg,
        rgba(167,139,250,0.78) 160deg 188deg,
        transparent 202deg 274deg,
        rgba(240,171,252,0.74) 286deg 308deg,
        transparent 320deg 360deg
    );
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
    filter: drop-shadow(0 0 5px rgba(103,232,249,0.72)) drop-shadow(0 0 18px rgba(99,102,241,0.24));
    opacity: 0.78;
    animation: cleanOrbitOuter 11s linear infinite;
}

.hero-image::after {
    display: block;
    width: var(--orbit-inner-size);
    height: var(--orbit-inner-size);
    border: 1px solid rgba(103,232,249,0.16);
    border-top-color: rgba(103,232,249,0.64);
    border-right-color: rgba(167,139,250,0.48);
    border-bottom-color: rgba(240,171,252,0.24);
    border-left-color: transparent;
    background: none;
    -webkit-mask: none;
    mask: none;
    filter: drop-shadow(0 0 4px rgba(103,232,249,0.28));
    opacity: 0.58;
    animation: cleanOrbitInner 15s linear infinite reverse;
}

@keyframes cleanOrbitOuter {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes cleanOrbitInner {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-image img,
.hero-avatar {
    border: 3px solid rgba(103,232,249,0.5);
    box-shadow:
        0 0 0 1px rgba(167,139,250,0.2),
        0 0 17px rgba(103,232,249,0.34),
        0 0 34px rgba(99,102,241,0.18),
        0 26px 58px rgba(0,0,0,0.28);
}

.hero-image:hover img,
.hero-image:hover .hero-avatar {
    transform: none;
    box-shadow:
        0 0 0 1px rgba(167,139,250,0.24),
        0 0 19px rgba(103,232,249,0.4),
        0 0 36px rgba(99,102,241,0.22),
        0 26px 58px rgba(0,0,0,0.3);
}

.hero-image-ring,
.hero-image-dots {
    display: block;
    position: absolute;
    top: 50%;
    width: var(--orbit-side-size);
    height: var(--orbit-side-size);
    border-radius: 50%;
    background: transparent;
    z-index: 1;
    pointer-events: none;
}

.hero-image-ring {
    left: calc(var(--orbit-side-size) * -0.46);
    border: 1px solid rgba(103,232,249,0.2);
    border-right-color: transparent;
    border-bottom-color: rgba(167,139,250,0.12);
    box-shadow: 0 0 20px rgba(103,232,249,0.12);
    animation: sideOrbitLeft 9s ease-in-out infinite;
}

.hero-image-dots {
    right: calc(var(--orbit-side-size) * -0.46);
    border: 1px solid rgba(240,171,252,0.2);
    border-left-color: transparent;
    border-top-color: rgba(103,232,249,0.12);
    box-shadow: 0 0 20px rgba(240,171,252,0.1);
    animation: sideOrbitRight 9s ease-in-out infinite reverse;
}

@keyframes sideOrbitLeft {
    0%, 100% { transform: translate(-10px, -50%) rotate(-24deg); }
    50% { transform: translate(12px, -50%) rotate(156deg); }
}

@keyframes sideOrbitRight {
    0%, 100% { transform: translate(10px, -50%) rotate(24deg); }
    50% { transform: translate(-12px, -50%) rotate(-156deg); }
}

@media (max-width: 1024px) {
    .hero-image {
        --orbit-outer-size: 334px;
        --orbit-inner-size: 310px;
        --orbit-side-size: 174px;
    }
}

@media (max-width: 900px) {
    .hero-image {
        --orbit-outer-size: 274px;
        --orbit-inner-size: 250px;
        --orbit-side-size: 142px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-image::before,
    .hero-image::after,
    .hero-image-ring,
    .hero-image-dots { animation: none; }
}

/* Refined profile neon edge and hover state */
.hero-image img,
.hero-avatar {
    border: 4px solid rgba(103,232,249,0.58);
    box-shadow:
        0 0 0 1px rgba(167,139,250,0.34),
        0 0 14px rgba(103,232,249,0.52),
        0 0 30px rgba(139,92,246,0.28),
        0 28px 62px rgba(0,0,0,0.28);
}

.hero-image-ring {
    border-style: solid;
    border-color: rgba(103,232,249,0.22) rgba(167,139,250,0.5) rgba(240,171,252,0.28) transparent;
    box-shadow: 0 0 18px rgba(103,232,249,0.12);
}

.hero-image:hover img,
.hero-image:hover .hero-avatar {
    transform: none;
    box-shadow:
        0 0 0 1px rgba(167,139,250,0.42),
        0 0 16px rgba(103,232,249,0.6),
        0 0 34px rgba(139,92,246,0.32),
        0 28px 62px rgba(0,0,0,0.3);
}

.hero-image:hover::after {
    animation-duration: 9s;
    filter: drop-shadow(0 0 5px rgba(34,211,238,0.78)) drop-shadow(0 0 16px rgba(167,139,250,0.42));
}

/* ============================================
   20. Premium Motion and Depth
   ============================================ */
:root {
    --premium-cyan: #67e8f9;
    --premium-violet: #a78bfa;
    --premium-pink: #f0abfc;
    --premium-gold: #f4d58d;
    --premium-glass: rgba(18,36,61,0.72);
}

.hero-bg-elements {
    --parallax-x: 0px;
    --parallax-y: 0px;
    --scroll-y: 0px;
    transform: translate3d(
        var(--parallax-x),
        calc(var(--parallax-y) + var(--scroll-y)),
        0
    ) scale(1.04);
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.hero-grid {
    transform: translateY(calc(var(--scroll-y) * -0.35));
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-float {
    mix-blend-mode: screen;
}

.hero-float-3,
.hero-float-5 { box-shadow: 0 0 80px rgba(34,211,238,0.08); }
.hero-float-4,
.hero-float-6 { box-shadow: 0 0 80px rgba(240,171,252,0.08); }

.hero-text,
.hero-image { animation: premiumRise 1s cubic-bezier(0.22, 1, 0.36, 1) both; }
.hero-image { animation-delay: 0.12s; }

@keyframes premiumRise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

.section {
    position: relative;
    isolation: isolate;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: min(840px, 90vw);
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, rgba(103,232,249,0.22), rgba(167,139,250,0.3), transparent);
    pointer-events: none;
    z-index: -1;
}

.section > .container { position: relative; z-index: 1; }

.section-header::after {
    width: 74px;
    height: 4px;
    background: linear-gradient(90deg, var(--premium-cyan), var(--premium-violet), var(--premium-pink));
    box-shadow: 0 0 20px rgba(103,232,249,0.26), 0 0 34px rgba(167,139,250,0.16);
}

.section-title {
    background: linear-gradient(110deg, var(--night-text) 8%, #c7d2fe 52%, var(--premium-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-text,
.stat-card,
.skill-card,
.tool-card,
.timeline-card,
.education-card,
.project-card,
.cert-card,
.contact-form {
    background:
        linear-gradient(145deg, rgba(22,45,74,0.84), rgba(11,27,47,0.94)),
        var(--premium-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.stat-card::before,
.tool-card::after,
.cert-card::before {
    background: linear-gradient(90deg, var(--premium-cyan), var(--premium-violet), var(--premium-pink), var(--premium-gold));
    background-size: 220% 100%;
}

.stat-card:hover,
.skill-card:hover,
.tool-card:hover,
.timeline-card:hover,
.education-card:hover,
.project-card:hover,
.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 58px rgba(0,0,0,0.3), 0 0 42px rgba(99,102,241,0.12);
}

.skill-icon,
.tool-icon,
.education-icon,
.contact-info-icon,
.cert-icon {
    box-shadow: 0 10px 26px rgba(0,0,0,0.22), inset 0 1px 0 rgba(255,255,255,0.12);
}

.btn-primary,
.cert-verify-btn {
    box-shadow: 0 10px 28px rgba(79,70,229,0.2), inset 0 1px 0 rgba(255,255,255,0.18);
}

.btn-primary:hover,
.cert-verify-btn:hover {
    box-shadow: 0 16px 34px rgba(79,70,229,0.32), 0 0 24px rgba(103,232,249,0.1), inset 0 1px 0 rgba(255,255,255,0.24);
}

.hero .btn-outline,
.contact-form,
.resume-cta {
    border-color: rgba(167,139,250,0.28);
}

.timeline-current {
    color: #86efac;
    background: rgba(16,185,129,0.12);
    border-color: rgba(52,211,153,0.25);
}

.cert-meta > span {
    background: linear-gradient(90deg, rgba(37,59,97,0.78), rgba(25,47,78,0.62));
    border-color: rgba(148,163,184,0.14);
}

@media (prefers-reduced-motion: reduce) {
    .hero-bg-elements,
    .hero-grid,
    .hero-text,
    .hero-image { animation: none; transition: none; transform: none; }
    .hero-image::after { animation: none; }
}