/* ══════════════════════════════════════════════════════
   VELOX — PREMIUM MODERN DESIGN SYSTEM
   High-Performance Digital Agency
   ══════════════════════════════════════════════════════ */

/* ─── ROOT VARIABLES ─── */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-tertiary: #14141f;
    --bg-card: rgba(20, 20, 31, 0.85);
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #06b6d4;
    --accent-success: #10b981;
    
    --gradient-1: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
    --gradient-2: linear-gradient(135deg, #10b981, #06b6d4);
    
    --border-light: rgba(255, 255, 255, 0.05);
    --border-medium: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(99, 102, 241, 0.2);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.08);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── RESET ─── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-secondary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* ─── SELECTION ─── */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* ─── PRELOADER ─── */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    max-width: 400px;
    padding: 40px;
}

.preloader-logo {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.preloader-accent {
    color: var(--accent-primary);
}

.preloader-icon {
    width: 60px;
    height: 60px;
    margin: 24px auto;
}

.preloader-ring {
    animation: preloaderSpin 1.5s linear infinite;
}

@keyframes preloaderSpin {
    0% { stroke-dashoffset: 157; }
    100% { stroke-dashoffset: 0; }
}

.preloader-bar-track {
    width: 100%;
    height: 2px;
    background: var(--border-medium);
    border-radius: 1px;
    overflow: hidden;
}

.preloader-bar {
    width: 0%;
    height: 100%;
    background: var(--gradient-1);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.preloader-text {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
}

.preloader-percent {
    color: var(--accent-primary);
}

/* ─── CONTAINER ─── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* ─── NAVBAR ─── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .nav-inner {
        padding: 14px 20px;
    }
}

.brand {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 2px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 2px;
}

.brand-code {
    color: var(--accent-primary);
}

.brand-vaults {
    color: var(--text-primary);
}

.brand-dot {
    display: inline-block;
    width: 5px;
    height: 5px;
    background: var(--accent-tertiary);
    border-radius: 50%;
    margin-left: 4px;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(0.7);
    }
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    border-radius: 1px;
    transition: width var(--transition-fast);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

@media (max-width: 900px) {
    .nav-actions {
        display: none;
    }
}

.nav-cta {
    background: var(--gradient-1);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.2);
}

.nav-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.nav-cta svg {
    transition: transform var(--transition-fast);
}

.nav-cta:hover svg {
    transform: translateX(4px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

@media (max-width: 900px) {
    .hamburger {
        display: flex;
    }
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
}
.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(16px);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
    border-top: 1px solid var(--border-light);
}

@media (max-width: 900px) {
    .mobile-menu {
        display: block;
    }
}

.mobile-menu.open {
    max-height: 400px;
}

.mobile-menu-inner {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mob-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: 15px;
    font-weight: 500;
}

.mob-link:hover {
    background: var(--border-light);
    color: var(--text-primary);
}

.mob-cta {
    display: block;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    padding: 14px;
    text-align: center;
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-top: 8px;
    transition: all var(--transition-fast);
}

.mob-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ─── HERO SECTION ─── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 20px 80px;
}

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

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08), transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.04), transparent 50%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.5;
}

.hero-orbs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: orbFloat 12s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-secondary);
    bottom: -50px;
    right: -50px;
    animation-delay: 4s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: var(--accent-tertiary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 8s;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 32px;
    font-size: 13px;
    color: var(--text-secondary);
    backdrop-filter: blur(8px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.hero-title {
    font-size: clamp(44px, 7vw, 80px);
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.hero-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-subtitle strong {
    color: var(--text-primary);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    padding: 16px 36px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all var(--transition);
    box-shadow: 0 2px 16px rgba(99, 102, 241, 0.2);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary svg {
    transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 16px 36px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    border: 1.5px solid var(--border-medium);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: var(--border-light);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 40px;
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--text-primary);
    display: inline-block;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 4px;
    font-weight: 500;
}

.stat-bar {
    width: 60px;
    height: 2px;
    background: var(--border-medium);
    margin: 8px auto 0;
    border-radius: 1px;
    overflow: hidden;
}

.stat-bar span {
    display: block;
    height: 100%;
    background: var(--gradient-1);
    border-radius: 1px;
}

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

@media (max-width: 600px) {
    .stat-divider {
        display: none;
    }
    .hero-stats {
        gap: 30px;
    }
    .stat-number {
        font-size: 32px;
    }
}

/* ─── SECTIONS ─── */
.section {
    padding: 100px 0;
    position: relative;
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 40px;
    }
}

.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 16px;
    display: inline-block;
    background: var(--border-light);
    padding: 4px 16px;
    border-radius: var(--radius-full);
}

.section-title {
    font-size: clamp(36px, 4.5vw, 48px);
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ─── SERVICES ─── */
.services-section {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all var(--transition);
    position: relative;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.service-number {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.service-icon {
    width: 52px;
    height: 52px;
    background: var(--border-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
}

.service-tags li {
    background: var(--border-light);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.service-arrow {
    position: absolute;
    bottom: 24px;
    right: 24px;
    font-size: 20px;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.service-card:hover .service-arrow {
    color: var(--accent-primary);
    transform: translateX(4px);
}

/* ─── PORTFOLIO ─── */
.portfolio-section {
    background: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    gap: 40px;
}

.portfolio-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 48px;
    transition: all var(--transition);
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.portfolio-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

@media (max-width: 968px) {
    .portfolio-item {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 32px;
    }
}

.portfolio-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    display: block;
}

.portfolio-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.portfolio-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-size: 15px;
}

.portfolio-meta {
    display: flex;
    gap: 20px;
    list-style: none;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.portfolio-meta li {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.portfolio-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-1);
    color: white;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition);
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.15);
}

.portfolio-cta:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.25);
}

.portfolio-cta svg {
    transition: transform var(--transition-fast);
}

.portfolio-cta:hover svg {
    transform: translateX(4px);
}

/* ─── MOCKUP ─── */
.mockup {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.mockup-bar {
    background: var(--bg-card);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border-light);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.dot.red {
    background: #ff5f57;
}
.dot.yellow {
    background: #febc2e;
}
.dot.green {
    background: #28c840;
}

.mockup-url {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    margin-left: 10px;
}

.mockup-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mockup-line {
    height: 8px;
    border-radius: 4px;
    background: var(--border-light);
}

.mockup-line.w-70 {
    width: 70%;
}
.mockup-line.w-50 {
    width: 50%;
}
.mockup-line.w-40 {
    width: 40%;
}

.mockup-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.mockup-card {
    height: 60px;
    border-radius: var(--radius-sm);
    background: var(--border-light);
    border: 1px solid var(--border-light);
}

/* ─── PROCESS ─── */
.process-section {
    background: var(--bg-secondary);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

@media (max-width: 768px) {
    .process-grid {
        grid-template-columns: 1fr;
    }
}

.process-step {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    text-align: center;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.process-step:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg);
}

.step-number {
    font-size: 40px;
    font-family: var(--font-display);
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 12px;
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.step-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.step-line {
    width: 40px;
    height: 2px;
    background: var(--gradient-1);
    margin: 16px auto 0;
    border-radius: 1px;
    opacity: 0.3;
}

/* ─── CONTACT ─── */
.contact-section {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    text-decoration: none;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.contact-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-info {
    font-size: 13px;
    color: var(--text-tertiary);
}

.credit {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--text-tertiary);
    text-transform: uppercase;
}

/* ─── FOOTER ─── */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
    padding: 50px 0 30px;
}

.footer-content {
    text-align: center;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.footer-tagline {
    color: var(--text-tertiary);
    font-size: 14px;
}

.footer-divider {
    width: 40px;
    height: 1px;
    background: var(--border-medium);
    margin: 16px auto;
}

.footer-copyright {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ─── BACK TO TOP ─── */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 1000;
    color: var(--text-primary);
    font-size: 18px;
    box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}