/* ═══════════════════════════════════════════════
   AHMET CAN ÖZDEMİR - PREMIUM PORTFOLIO
   Mühendislik Hassasiyetiyle Tasarlandı ⚙️
   ═══════════════════════════════════════════════ */

/* ─── RESET & VARIABLES ─── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Backgrounds */
    --bg-primary: #050816;
    --bg-secondary: #080c1e;
    --bg-tertiary: #0c1029;
    --bg-card: #0f1535;
    --bg-card-hover: #141c42;
    --bg-input: #0a0f25;

    /* Blues */
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-300: #93c5fd;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    --blue-900: #1e3a8a;

    /* Accents */
    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --indigo-400: #818cf8;
    --indigo-500: #6366f1;
    --purple-500: #8b5cf6;
    --emerald-500: #22c55e;

    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-muted: #475569;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6, #6366f1);
    --gradient-accent: linear-gradient(135deg, #06b6d4, #3b82f6);
    --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
    --gradient-card: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(99,102,241,0.05));
    --gradient-glow: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(99,102,241,0.1));

    /* Borders */
    --border: rgba(148, 163, 184, 0.08);
    --border-hover: rgba(59, 130, 246, 0.3);

    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 60px rgba(0, 0, 0, 0.4);
    --shadow-blue: 0 0 40px rgba(59, 130, 246, 0.15);
    --shadow-glow: 0 0 80px rgba(59, 130, 246, 0.1);

    /* Transitions */
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition: all 0.4s var(--ease);
    --transition-fast: all 0.2s var(--ease);
    --transition-slow: all 0.6s var(--ease);

    /* Sizing */
    --header-height: 80px;
    --container-max: 1200px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--blue-600) var(--bg-primary);
    font-size: 16px;
}

html::-webkit-scrollbar { width: 6px; }
html::-webkit-scrollbar-track { background: var(--bg-primary); }
html::-webkit-scrollbar-thumb {
    background: var(--blue-600);
    border-radius: 3px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 30px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; outline: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* Gradient text utility */
.gradient-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── PRELOADER ─── */
.preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner { text-align: center; }

.preloader-logo {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 30px;
    letter-spacing: -2px;
}

.preloader-bracket {
    color: var(--blue-500);
    font-family: 'JetBrains Mono', monospace;
}

.preloader-name {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preloader-bar-wrapper {
    width: 220px;
    height: 3px;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto 15px;
}

.preloader-bar {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    animation: preloaderBar 2s ease-in-out forwards;
}

@keyframes preloaderBar {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.preloader-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ─── CUSTOM CURSOR ─── */
.cursor-outer {
    width: 30px; height: 30px;
    border: 2px solid rgba(59,130,246,0.5);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 999998;
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
}

.cursor-inner {
    width: 6px; height: 6px;
    background: var(--blue-400);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 999998;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
}

.cursor-outer.hover {
    width: 50px; height: 50px;
    border-color: rgba(99,102,241,0.8);
    background: rgba(99,102,241,0.05);
}

.cursor-inner.hover {
    transform: translate(-50%, -50%) scale(0.5);
    background: var(--indigo-400);
}

@media (max-width: 1024px) {
    .cursor-outer, .cursor-inner { display: none !important; }
}

/* ─── PARTICLE CANVAS ─── */
#particleCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ─── HEADER / NAVBAR ─── */
.header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 10000;
    transition: var(--transition);
}

.header.scrolled {
    height: 65px;
    background: rgba(5, 8, 22, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 30px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 2px;
    transition: var(--transition);
}

.logo:hover { transform: scale(1.05); }

.logo-bracket {
    color: var(--blue-500);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

.logo-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Desktop Nav */
.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-indicator {
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover .nav-indicator,
.nav-link.active .nav-indicator {
    width: 15px;
}

.nav-link:hover {
    background: rgba(59,130,246,0.05);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: rgba(59,130,246,0.1);
    border-color: var(--border-hover);
    color: var(--blue-400);
}

.btn-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(59,130,246,0.3);
}

.btn-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59,130,246,0.4);
}

/* Hamburger */
.hamburger {
    display: none;
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

.hamburger-box {
    width: 20px;
    height: 14px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-box span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.hamburger.active .hamburger-box span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

.hamburger.active .hamburger-box span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

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

.mobile-nav {
    position: fixed;
    top: 0; right: -320px;
    width: 300px; height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 10001;
    transition: right 0.4s var(--ease);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border);
}

.mobile-close {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.mobile-close:hover { background: rgba(239,68,68,0.1); color: #ef4444; }

.mobile-nav-list {
    flex: 1;
    padding: 20px 25px;
}

.mobile-nav-list li { margin-bottom: 5px; }

.mobile-nav-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.mobile-nav-list a:hover {
    background: rgba(59,130,246,0.08);
    color: var(--text-primary);
}

.mobile-nav-list a i { width: 20px; text-align: center; color: var(--blue-400); }

.mobile-nav-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border);
}

.mobile-social {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.mobile-social a {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.mobile-social a:hover {
    background: var(--blue-500);
    border-color: var(--blue-500);
    color: white;
}

.mobile-copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59,130,246,0.4);
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: conic-gradient(from 0deg, transparent 0%, rgba(255,255,255,0.1) 25%, transparent 50%);
    animation: glowRotate 4s linear infinite;
    pointer-events: none;
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--border-hover);
    background: rgba(59,130,246,0.05);
    transform: translateY(-3px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 14px 20px;
}

.btn-ghost:hover { color: var(--blue-400); }

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
}

.hero-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.hero-orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.12), transparent 70%);
    top: -20%; right: -10%;
    animation: orbFloat 10s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,0.08), transparent 70%);
    bottom: -10%; left: -5%;
    animation: orbFloat 12s ease-in-out infinite reverse;
}

.hero-orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(139,92,246,0.06), transparent 70%);
    top: 30%; left: 30%;
    animation: orbFloat 8s ease-in-out infinite 2s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    padding-top: 20px;
    padding-bottom: 40px;
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px 8px 14px;
    background: rgba(59,130,246,0.08);
    border: 1px solid rgba(59,130,246,0.15);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--blue-300);
    font-weight: 500;
    margin-bottom: 28px;
    animation: fadeInUp 0.6s var(--ease) both;
}

.hero-badge-dot {
    width: 8px; height: 8px;
    background: var(--emerald-500);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
    box-shadow: 0 0 10px rgba(34,197,94,0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-badge i { font-size: 0.7rem; }

/* Hero Title */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -2px;
    margin-bottom: 15px;
}

.hero-title-line {
    display: block;
    overflow: hidden;
}

.hero-title-word {
    display: inline-block;
    animation: slideUp 0.8s var(--ease) both;
}

.hero-title-line:nth-child(2) .hero-title-word { animation-delay: 0.15s; }
.hero-title-line:nth-child(3) .hero-title-word { animation-delay: 0.3s; }

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Hero Subtitle - Typed */
.hero-subtitle {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 22px;
    animation: fadeInUp 0.8s var(--ease) 0.4s both;
}

.hero-subtitle-line {
    width: 40px; height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.hero-subtitle p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 400;
    font-family: 'JetBrains Mono', monospace;
}

.typed-prefix { color: var(--text-tertiary); }
.typed-text { color: var(--blue-400); }
.typed-cursor {
    color: var(--blue-400);
    animation: blink 1s step-end infinite;
    font-weight: 100;
}

/* Hero Description */
.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 540px;
    margin-bottom: 35px;
    animation: fadeInUp 0.8s var(--ease) 0.5s both;
}

/* Hero CTA */
.hero-cta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease) 0.6s both;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease) 0.7s both;
}

.hero-stat { text-align: left; }

.hero-stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.hero-stat-plus {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-top: 2px;
}

.hero-stat-divider {
    width: 1px; height: 40px;
    background: var(--border);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual-wrapper {
    position: relative;
    width: 450px; height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Orbital Rings */
.orbital-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(59,130,246,0.12);
}

.orbital-ring-1 {
    width: 350px; height: 350px;
    animation: orbitSpin 20s linear infinite;
}

.orbital-ring-2 {
    width: 400px; height: 400px;
    border-style: dashed;
    border-color: rgba(99,102,241,0.08);
    animation: orbitSpin 30s linear infinite reverse;
}

.orbital-ring-3 {
    width: 440px; height: 440px;
    border-style: dotted;
    border-color: rgba(139,92,246,0.06);
    animation: orbitSpin 40s linear infinite;
}

.orbital-dot {
    position: absolute;
    top: -3px; left: 50%;
    width: 6px; height: 6px;
    background: var(--blue-400);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--blue-400);
    transform: translateX(-50%);
}

.orbital-ring-2 .orbital-dot { background: var(--indigo-400); box-shadow: 0 0 15px var(--indigo-400); }
.orbital-ring-3 .orbital-dot { background: var(--purple-500); box-shadow: 0 0 15px var(--purple-500); }

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

/* Hero Avatar */
.hero-avatar-container { position: relative; z-index: 5; }

.hero-avatar {
    width: 240px; height: 240px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: morph 10s ease-in-out infinite;
    box-shadow: 0 0 60px rgba(59,130,246,0.25);
    overflow: hidden;
    position: relative;
}

.hero-avatar-inner {
    text-align: center;
    color: white;
}

.hero-avatar-inner i {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
    opacity: 0.5;
}

.hero-avatar-inner span {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -2px;
}

@keyframes morph {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

.hero-avatar-glow {
    position: absolute;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,0.15), transparent 70%);
    z-index: -1;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.15); opacity: 0.8; }
}

/* Floating Cards */
.float-card {
    position: absolute;
    background: rgba(15, 21, 53, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    z-index: 10;
    animation: floatCard 6s ease-in-out infinite;
}

.float-card-1 { top: 20px; right: -20px; animation-delay: 0s; }
.float-card-2 { bottom: 80px; left: -30px; animation-delay: 1.5s; }
.float-card-3 { bottom: -5px; right: 10px; animation-delay: 3s; }
.float-card-4 { top: 80px; left: -20px; animation-delay: 4.5s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.float-card-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.float-card-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.float-card-value {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 2;
    animation: fadeInUp 1s var(--ease) 1.5s both;
}

.scroll-mouse {
    width: 26px; height: 40px;
    border: 2px solid rgba(148,163,184,0.3);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    width: 3px; height: 8px;
    background: var(--blue-400);
    border-radius: 3px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

.scroll-indicator span {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ─── MARQUEE ─── */
.marquee-section {
    position: relative;
    z-index: 2;
    padding: 25px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(5,8,22,0.5);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.marquee-track {
    display: flex;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.marquee-content {
    display: flex;
    gap: 50px;
    padding-right: 50px;
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    transition: var(--transition);
}

.marquee-item i {
    font-size: 1.3rem;
    color: var(--blue-500);
}

.marquee-item:hover {
    color: var(--blue-400);
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ─── SECTION STYLES ─── */
section {
    position: relative;
    z-index: 2;
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--blue-400);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 18px;
    background: rgba(59,130,246,0.08);
    padding: 8px 18px;
    border-radius: 50px;
    border: 1px solid rgba(59,130,246,0.12);
}

.section-tag i { font-size: 0.8rem; }

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.2;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Alternate section backgrounds */
.about, .services, .experience, .contact {
    background: var(--bg-secondary);
}

/* ─── ABOUT ─── */
.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 60px;
}

.about-image-stack { position: relative; }

.about-image-main {
    width: 100%;
    height: 480px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
}

.about-image-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-card));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.about-image-placeholder i {
    font-size: 4rem;
    color: var(--blue-500);
    opacity: 0.3;
}

.about-image-placeholder span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.about-image-border {
    position: absolute;
    top: -3px; left: -3px;
    right: -3px; bottom: -3px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    z-index: -1;
    opacity: 0.3;
}

.about-exp-card {
    position: absolute;
    bottom: -20px; right: -20px;
    background: rgba(5,8,22,0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 25px 30px;
    text-align: center;
    z-index: 3;
    box-shadow: var(--shadow-md);
}

.about-exp-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-exp-text {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.4;
}

.about-project-card {
    position: absolute;
    top: -15px; left: -15px;
    background: rgba(5,8,22,0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3;
    box-shadow: var(--shadow-md);
}

.about-project-icon {
    color: var(--emerald-500);
    font-size: 1.5rem;
}

.about-project-number {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-project-text {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Blueprint decoration */
.about-blueprint {
    position: absolute;
    bottom: -30px; left: -30px;
    width: 150px; height: 150px;
    z-index: 0;
    opacity: 0.15;
}

.blueprint-line {
    position: absolute;
    background: var(--blue-500);
}

.blueprint-line-1 {
    width: 100%; height: 1px;
    top: 50%;
}

.blueprint-line-2 {
    width: 1px; height: 100%;
    left: 50%;
}

.blueprint-circle {
    position: absolute;
    width: 80px; height: 80px;
    border: 1px solid var(--blue-500);
    border-radius: 50%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}

/* About Content */
.about-content h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-info-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 30px 0;
}

.about-info-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.about-info-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.about-info-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: rgba(59,130,246,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-400);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.about-info-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-info-value {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.about-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Code Terminal */
.code-terminal {
    max-width: 750px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--border);
}

.terminal-dots {
    display: flex;
    gap: 7px;
}

.dot-red { width: 11px; height: 11px; border-radius: 50%; background: #ef4444; }
.dot-yellow { width: 11px; height: 11px; border-radius: 50%; background: #eab308; }
.dot-green { width: 11px; height: 11px; border-radius: 50%; background: #22c55e; }

.terminal-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.terminal-actions {
    display: flex;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.terminal-body {
    padding: 25px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.9;
}

.code-line { white-space: pre; }
.code-keyword { color: var(--indigo-400); }
.code-variable { color: var(--blue-300); }
.code-string { color: var(--emerald-500); }
.code-comment { color: var(--text-muted); font-style: italic; }
.code-function { color: var(--cyan-400); }
.code-boolean { color: #fbbf24; }
.terminal-cursor { animation: blink 1s step-end infinite; color: var(--blue-400); }

/* ─── SKILLS ─── */
.skills-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.skill-tab {
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.skill-tab:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.skill-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(59,130,246,0.3);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card-glow {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left;
}

.skill-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-blue);
}

.skill-card:hover .skill-card-glow {
    transform: scaleX(1);
}

.skill-icon-wrapper { margin-bottom: 18px; }

.skill-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    transition: var(--transition);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
}

.skill-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.skill-card p {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.skill-bar {
    width: 100%; height: 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.skill-bar-fill {
    height: 100%;
    border-radius: 4px;
    width: 0%;
    transition: width 1.5s var(--ease);
}

.skill-percent {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--blue-400);
}

.skill-card.hidden-card {
    display: none;
}

/* ─── SERVICES ─── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-blue);
}

.service-card:hover .service-card-bg { opacity: 0.03; }

.service-card > *:not(.service-card-bg) {
    position: relative;
    z-index: 1;
}

.service-number {
    position: absolute;
    top: 20px; right: 25px;
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(59,130,246,0.04);
    z-index: 1;
    letter-spacing: -3px;
    font-family: 'Space Grotesk', sans-serif;
}

.service-icon-wrapper { margin-bottom: 25px; }

.service-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    margin-bottom: 25px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.service-features li i {
    color: var(--emerald-500);
    font-size: 0.7rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--blue-400);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.service-link:hover { gap: 14px; }

/* ─── PROJECTS ─── */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.project-filter {
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.project-filter:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.project-filter.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(59,130,246,0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-blue);
}

.project-featured {
    grid-column: span 3;
}

.project-featured .project-image { height: 350px; }

.project-image {
    height: 220px;
    position: relative;
    overflow: hidden;
}

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

.project-image-placeholder i {
    font-size: 3rem;
    color: rgba(255,255,255,0.25);
}

.project-card:hover .project-image-placeholder {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(transparent 30%, rgba(5,8,22,0.9) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 10px;
    padding: 25px;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay { opacity: 1; }

.project-overlay-btn {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    transition: var(--transition);
    transform: translateY(20px);
}

.project-card:hover .project-overlay-btn {
    transform: translateY(0);
}

.project-overlay-btn:hover {
    background: var(--blue-500);
    border-color: var(--blue-500);
}

.project-content { padding: 28px; }

.project-tags {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.project-tags span {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(59,130,246,0.1);
    color: var(--blue-400);
    border: 1px solid rgba(59,130,246,0.12);
}

.project-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.project-meta {
    display: flex;
    gap: 18px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.project-meta span { display: flex; align-items: center; gap: 6px; }
.project-meta i { color: var(--blue-500); }

.projects-cta {
    text-align: center;
    margin-top: 50px;
}

.project-card.hidden-project { display: none; }

/* ─── EXPERIENCE / TIMELINE ─── */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%; top: 0;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--blue-500), var(--indigo-500), transparent);
    opacity: 0.2;
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-item:nth-child(even) .timeline-card { text-align: right; }
.timeline-item:nth-child(even) .timeline-card-header { justify-content: flex-end; }
.timeline-item:nth-child(even) .timeline-tech { justify-content: flex-end; }

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.timeline-dot {
    width: 44px; height: 44px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 2px solid var(--blue-500);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-400);
    font-size: 0.9rem;
    box-shadow: 0 0 20px rgba(59,130,246,0.2);
}

.timeline-card {
    width: 42%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.timeline-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-blue);
}

.timeline-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--blue-400);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.timeline-badge {
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
}

.timeline-badge.current {
    background: rgba(34,197,94,0.1);
    color: var(--emerald-500);
    border: 1px solid rgba(34,197,94,0.2);
}

.timeline-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.timeline-company {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--blue-400);
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.timeline-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.timeline-tech {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.timeline-tech span {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(59,130,246,0.08);
    color: var(--blue-400);
    border: 1px solid rgba(59,130,246,0.1);
}

/* ─── TESTIMONIALS ─── */
.testimonials {
    padding: 120px 0;
}

.testimonials-carousel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 35px;
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-blue);
}

.testimonial-rating {
    display: flex;
    gap: 3px;
    margin-bottom: 18px;
    color: #fbbf24;
    font-size: 0.85rem;
}

.testimonial-quote-icon {
    position: absolute;
    top: 25px; right: 28px;
    font-size: 2.5rem;
    color: rgba(59,130,246,0.06);
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-avatar-wrapper {}

.testimonial-avatar {
    width: 48px; height: 48px;
    border-radius: 14px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: white;
}

.testimonial-name {
    font-size: 0.95rem;
    font-weight: 700;
}

.testimonial-role {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ─── CONTACT ─── */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.contact-info > p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 35px;
    line-height: 1.8;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 35px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateX(5px);
}

.contact-card-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    background: rgba(59,130,246,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-400);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-card-content { flex: 1; }

.contact-card-label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-card-value {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
}

.contact-card-arrow {
    color: var(--text-muted);
    font-size: 0.8rem;
    transition: var(--transition);
}

.contact-card:hover .contact-card-arrow {
    color: var(--blue-400);
    transform: translateX(3px);
}

.contact-social h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.contact-social-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.social-link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.social-link-card span {
    font-size: 0.72rem;
    font-weight: 600;
}

.social-link-card:hover {
    border-color: var(--border-hover);
    background: rgba(59,130,246,0.08);
    color: var(--blue-400);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.contact-form {
    padding: 40px;
}

.form-header {
    margin-bottom: 30px;
}

.form-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
}

.form-header h3 i { color: var(--blue-400); }

.form-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 16px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
    pointer-events: none;
    transition: var(--transition);
}

.textarea-wrapper i { top: 18px; transform: none; }

.input-wrapper input,
.input-wrapper textarea,
.input-wrapper select {
    width: 100%;
    padding: 14px 16px 14px 46px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.92rem;
    transition: var(--transition);
    outline: none;
}

.input-wrapper select {
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

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

.input-wrapper input:focus,
.input-wrapper textarea:focus,
.input-wrapper select:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.input-wrapper:focus-within i { color: var(--blue-400); }

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    justify-content: center;
}

/* ─── FOOTER ─── */
.footer {
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 2;
    padding: 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    padding: 70px 0 50px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin: 18px 0 25px;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--blue-500);
    border-color: var(--blue-500);
    color: white;
    transform: translateY(-3px);
}

.footer-links-group h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links-group ul li { margin-bottom: 10px; }

.footer-links-group ul a {
    color: var(--text-secondary);
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-links-group ul a:hover {
    color: var(--blue-400);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 25px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ─── SCROLL TO TOP ─── */
.scroll-to-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 50px; height: 50px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--blue-400);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    font-size: 1rem;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}

.scroll-progress {
    position: absolute;
    width: 100%; height: 100%;
    transform: rotate(-90deg);
}

.scroll-progress-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 3;
}

.scroll-progress-bar {
    fill: none;
    stroke: var(--blue-500);
    stroke-width: 3;
    stroke-dasharray: 289;
    stroke-dashoffset: 289;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.1s ease;
}

/* ─── ANIMATION UTILITIES ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos-delay="50"] { transition-delay: 50ms !important; }
[data-aos-delay="100"] { transition-delay: 100ms !important; }
[data-aos-delay="150"] { transition-delay: 150ms !important; }
[data-aos-delay="200"] { transition-delay: 200ms !important; }
[data-aos-delay="250"] { transition-delay: 250ms !important; }
[data-aos-delay="300"] { transition-delay: 300ms !important; }
[data-aos-delay="400"] { transition-delay: 400ms !important; }
[data-aos-delay="500"] { transition-delay: 500ms !important; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual { order: -1; }

    .hero-visual-wrapper {
        width: 350px; height: 350px;
    }

    .hero-avatar { width: 200px; height: 200px; }
    .hero-avatar-inner span { font-size: 2.8rem; }

    .orbital-ring-1 { width: 280px; height: 280px; }
    .orbital-ring-2 { width: 320px; height: 320px; }
    .orbital-ring-3 { width: 350px; height: 350px; }

    .float-card { display: none; }

    .hero-description { margin: 0 auto 35px; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-subtitle { justify-content: center; }

    .about-wrapper { grid-template-columns: 1fr; gap: 50px; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .projects-grid { grid-template-columns: 1fr 1fr; }
    .project-featured { grid-column: span 2; }
    .testimonials-carousel { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }

    .timeline-line { left: 25px; }
    .timeline-marker { left: 25px; }
    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: column;
        padding-left: 75px;
    }
    .timeline-card { width: 100%; }
    .timeline-item:nth-child(even) .timeline-card { text-align: left; }
    .timeline-item:nth-child(even) .timeline-card-header { justify-content: flex-start; }
    .timeline-item:nth-child(even) .timeline-tech { justify-content: flex-start; }
}

@media (max-width: 768px) {
    .nav-desktop { display: none; }
    .header-actions .btn-header { display: none; }
    .hamburger { display: flex; }

    section { padding: 80px 0; }
    .container { padding: 0 20px; }

    .hero-title { letter-spacing: -1px; }

    .hero-stats { gap: 20px; }
    .hero-stat-number { font-size: 1.6rem; }
    .hero-stat-divider { height: 30px; }

    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-featured { grid-column: span 1; }
    .about-info-cards { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-social-links { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .scroll-indicator { display: none; }
}

@media (max-width: 480px) {
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-cta .btn { width: 100%; justify-content: center; }
    .hero-stats { flex-direction: column; gap: 15px; }
    .hero-stat-divider { width: 40px; height: 1px; }
    .skills-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .skill-card { padding: 20px 14px; }
}