/* ========================================
   Studio085 - Apple-Inspired Premium Design
   Minimal + Elegant Dark Mode
   ======================================== */

/* ========================================
   CSS Variables - Premium Dark Theme
   ======================================== */
:root {
    /* Premium Color Palette */
    --primary: #ffffff;
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --accent-subtle: rgba(0, 113, 227, 0.1);
    
    /* Dark Theme Colors */
    --bg-primary: #000000;
    --bg-secondary: #0d0d0d;
    --bg-tertiary: #1a1a1a;
    --bg-card: #111111;
    --bg-card-hover: #1c1c1e;
    --bg-glass: rgba(28, 28, 30, 0.8);
    
    /* Text Colors */
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --text-tertiary: #6e6e73;
    --text-muted: #48484a;
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-subtle: rgba(255, 255, 255, 0.04);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 60px rgba(0, 113, 227, 0.15);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    --space-5xl: 128px;
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-in-out: cubic-bezier(0.645, 0.045, 0.355, 1);
    --transition-fast: 200ms var(--ease-out);
    --transition-base: 400ms var(--ease-out);
    --transition-slow: 600ms var(--ease-out);
    
    /* Container */
    --container-max: 1120px;
    --container-wide: 1400px;
    --container-padding: 24px;
    
    /* Z-Index */
    --z-header: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #e8e8ed;
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;
    --bg-glass: rgba(255, 255, 255, 0.8);
    
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #86868b;
    --text-muted: #aeaeb2;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-subtle: rgba(0, 0, 0, 0.04);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.16);
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
    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-secondary);
    font-size: 17px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ========================================
   Typography - Apple Style
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.headline-xl {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.headline-lg {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 600;
    letter-spacing: -0.025em;
}

.headline-md {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 600;
}

.headline-sm {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 600;
}

.body-lg {
    font-size: 21px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.body-md {
    font-size: 17px;
    line-height: 1.5;
}

.body-sm {
    font-size: 14px;
    line-height: 1.4;
}

.caption {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
}

/* ========================================
   Container
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-wide {
    max-width: var(--container-wide);
}

/* ========================================
   Buttons - Apple Style
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 17px;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent-subtle);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
}

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

.btn-lg {
    padding: 18px 36px;
    font-size: 19px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* Link Style */
.link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-size: 17px;
    font-weight: 500;
    transition: gap var(--transition-fast);
}

.link:hover {
    gap: 10px;
}

.link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.link:hover svg {
    transform: translateX(2px);
}

/* ========================================
   Preloader - Minimal
   ======================================== */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s, visibility 0.5s;
}

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

.preloader-logo {
    font-family: var(--font-primary);
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

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

@keyframes preloaderPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========================================
   Header - Clean & Minimal
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    padding: 16px 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: var(--bg-glass);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

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

/* Logo */
.logo {
    font-family: var(--font-primary);
    font-size: 21px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.logo .accent {
    color: var(--accent);
}

/* Navigation */
.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
        align-items: center;
        gap: var(--space-xl);
    }
}

.nav-list {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    padding: 8px 0;
    transition: color var(--transition-fast);
}

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

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Theme Toggle */
.theme-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }

[data-theme="light"] .theme-toggle .sun-icon { display: block; }
[data-theme="light"] .theme-toggle .moon-icon { display: none; }

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.lang-selector:hover .lang-dropdown,
.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--text-secondary);
    text-align: left;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.lang-option:hover,
.lang-option.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

/* Header CTA */
.header-cta {
    display: none;
}

@media (min-width: 768px) {
    .header-cta {
        display: inline-flex;
    }
}

/* ========================================
   Hero Section - Apple Style
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-5xl) 0 var(--space-4xl);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 113, 227, 0.15) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero-title {
    font-size: clamp(48px, 10vw, 80px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero-title .gradient-text {
    background: linear-gradient(90deg, #2997ff, #5ac8fa, #34c759);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(19px, 2.5vw, 24px);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.5;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

/* Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    margin-top: var(--space-4xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--border-color);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 1s forwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.stat-suffix {
    font-size: clamp(24px, 3vw, 36px);
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
}

/* Animation */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Section Styling
   ======================================== */
section {
    padding: var(--space-5xl) 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-4xl);
}

.section-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 600;
    letter-spacing: -0.025em;
    margin-bottom: var(--space-lg);
}

.section-description {
    font-size: 19px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========================================
   Services - Clean Cards
   ======================================== */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-subtle) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 113, 227, 0.3);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-lg);
    color: var(--accent);
    position: relative;
    z-index: 1;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.service-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.service-features {
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.service-features li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230071e3' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 500;
    color: var(--accent);
    position: relative;
    z-index: 1;
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: 10px;
}

/* Featured Service */
.service-card.featured {
    border-color: var(--accent);
}

.service-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-full);
    z-index: 2;
}

/* ========================================
   Portfolio - Large Images
   ======================================== */
.portfolio {
    padding: var(--space-5xl) 0;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.filter-btn.active {
    color: #fff;
    background: var(--accent);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-lg);
}

.portfolio-item {
    grid-column: span 6;
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.portfolio-item.large {
    grid-column: span 12;
    aspect-ratio: 21/9;
}

@media (max-width: 768px) {
    .portfolio-item,
    .portfolio-item.large {
        grid-column: span 12;
        aspect-ratio: 16/10;
    }
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.portfolio-thumbnail {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.portfolio-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.portfolio-item:hover .portfolio-thumbnail img {
    transform: scale(1.05);
}

/* Portfolio Overlay */
.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-2xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}

.portfolio-info p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    background: rgba(0, 113, 227, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    transition: gap var(--transition-fast);
}

.portfolio-link:hover {
    gap: 10px;
}

/* App Showcase */
.portfolio-app-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    padding: var(--space-2xl);
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    overflow: hidden;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-lg);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-info-display {
    text-align: center;
}

.app-info-display h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.app-info-display p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.app-stores {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

.store-badge {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--bg-card);
    border-radius: var(--radius-full);
}

/* Portfolio Links */
.portfolio-links {
    display: flex;
    gap: var(--space-md);
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
}

.about-content {
    max-width: 540px;
}

.about-text {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.about-feature {
    display: flex;
    gap: var(--space-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-text h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* About Visual */
.about-visual {
    position: relative;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image {
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   Contact Section - Clean Form
   ======================================== */
.contact {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
}

@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info h3 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.contact-info p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--accent);
    border-radius: var(--radius-lg);
}

.contact-item-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item-text {
    font-size: 15px;
}

.contact-item-text span {
    display: block;
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.contact-item-text a,
.contact-item-text p {
    color: var(--text-primary);
    margin: 0;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

@media (max-width: 600px) {
    .form-group.full-width {
        grid-column: span 1;
    }
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    font-size: 16px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-methods {
    padding: var(--space-md) 0;
}

.contact-methods-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.contact-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.contact-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.contact-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.contact-checkbox span {
    font-size: 14px;
    color: var(--text-secondary);
}

.form-submit {
    margin-top: var(--space-lg);
}

.form-submit .btn {
    width: 100%;
}

/* Form Status */
.form-status {
    margin-top: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(52, 199, 89, 0.1);
    color: #34c759;
}

.form-status.error {
    display: block;
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
}

/* ========================================
   Footer - Minimal
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-logo .accent {
    color: var(--accent);
}

.footer-brand p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent);
    color: #fff;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

/* Footer Links */
.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--space-md);
}

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

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: 13px;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--text-primary);
}

/* ========================================
   Modal - Clean
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

/* ========================================
   Animations
   ======================================== */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

[data-aos="fade-in"] {
    opacity: 0;
    transition: opacity 0.6s var(--ease-out);
}

[data-aos="fade-in"].aos-animate {
    opacity: 1;
}

[data-aos="scale-up"] {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

/* Delay Classes */
[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }
[data-aos-delay="500"] { transition-delay: 500ms; }

/* ========================================
   Scroll Progress
   ======================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent);
    z-index: calc(var(--z-header) + 1);
    transition: width 0.1s linear;
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition-fast);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu-close,
.mobile-menu-controls {
    display: none;
}

@media (max-width: 1023px) {
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 360px;
        height: 100vh;
        background: var(--bg-card);
        border-left: 1px solid var(--border-color);
        padding: var(--space-2xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 1000;
        display: flex;
        flex-direction: column;
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .mobile-menu-close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        margin-left: auto;
        margin-bottom: var(--space-xl);
        color: var(--text-secondary);
        border-radius: var(--radius-full);
    }
    
    .mobile-menu-close:hover {
        background: var(--bg-tertiary);
        color: var(--text-primary);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-link {
        display: block;
        font-size: 18px;
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .mobile-menu-controls {
        margin-top: auto;
        padding-top: var(--space-xl);
        border-top: 1px solid var(--border-color);
    }
    
    .mobile-lang-selector {
        display: flex;
        gap: var(--space-sm);
        margin-bottom: var(--space-lg);
    }
    
    .mobile-lang-btn {
        flex: 1;
        padding: 12px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        background: var(--bg-tertiary);
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
    }
    
    .mobile-lang-btn.active,
    .mobile-lang-btn:hover {
        color: #fff;
        background: var(--accent);
    }
    
    .mobile-theme-toggle {
        width: 100%;
        padding: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-sm);
        font-size: 14px;
        color: var(--text-secondary);
        background: var(--bg-tertiary);
        border-radius: var(--radius-md);
    }
}

/* ========================================
   Responsive Utilities
   ======================================== */
@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
    }
    
    section {
        padding: var(--space-4xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-3xl);
    }
}

/* Hide/Show on breakpoints */
.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: block;
    }
    
    .hide-desktop {
        display: none;
    }
}

/* ========================================
   Popup / Modal Styles
   ======================================== */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.popup-container {
    background: var(--bg-secondary);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.popup-overlay.active .popup-container {
    transform: scale(1) translateY(0);
}

.popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    z-index: 10;
}

.popup-close:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.popup-content {
    padding: 40px;
}

.popup-header {
    text-align: center;
    margin-bottom: 32px;
}

.popup-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.popup-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.popup-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 450px;
    margin: 0 auto;
}

.popup-benefits {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.popup-benefit {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.popup-benefit svg {
    width: 18px;
    height: 18px;
    color: #10b981;
    flex-shrink: 0;
}

.popup-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.popup-form .form-group {
    margin-bottom: 0;
}

.popup-form .form-group.full-width {
    grid-column: 1 / -1;
}

.popup-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.popup-form input,
.popup-form select,
.popup-form textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.popup-form input:focus,
.popup-form select:focus,
.popup-form textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.1);
}

.popup-form textarea {
    min-height: 100px;
    resize: vertical;
}

.popup-form-footer {
    text-align: center;
}

.popup-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.popup-disclaimer {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 16px;
    line-height: 1.5;
}

.popup-form-status {
    margin-top: 16px;
    text-align: center;
}

.popup-form-status.error {
    color: #ef4444;
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 8px;
}

.popup-form-status.success {
    padding: 20px;
}

.popup-success {
    text-align: center;
}

.popup-success svg {
    width: 60px;
    height: 60px;
    color: #10b981;
    margin-bottom: 16px;
}

.popup-success h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.popup-success p {
    color: var(--text-secondary);
}

/* Mobile popup styles */
@media (max-width: 640px) {
    .popup-overlay {
        padding: 10px;
        align-items: flex-end;
    }
    
    .popup-container {
        max-height: 95vh;
        border-radius: 24px 24px 0 0;
    }
    
    .popup-content {
        padding: 24px;
    }
    
    .popup-title {
        font-size: 1.5rem;
    }
    
    .popup-form-grid {
        grid-template-columns: 1fr;
    }
    
    .popup-benefits {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .header,
    .back-to-top,
    .scroll-progress,
    .preloader {
        display: none !important;
    }
    
    body {
        background: #fff;
        color: #000;
    }
    
    section {
        page-break-inside: avoid;
    }
}