/* ==========================================================================
   Hehuang International Trade - Main Stylesheet
   Corporate Website for European and American Markets
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables & Root Configuration
   -------------------------------------------------------------------------- */
:root {
    /* Primary Colors - Inspired by Lynk & Co's bold aesthetic */
    --primary-color: #1a1a1a;
    --secondary-color: #00ff88;
    --accent-color: #0066ff;
    --accent-secondary: #ff6b35;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f7f7f7;
    --gray-200: #e5e5e5;
    --gray-300: #cccccc;
    --gray-400: #999999;
    --gray-500: #666666;
    --gray-600: #4a4a4a;
    --gray-700: #333333;
    --gray-800: #1f1f1f;
    --gray-900: #1a1a1a;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--gray-800) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    --gradient-dark: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Space Grotesk', var(--font-primary);
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;
    
    /* Layout */
    --container-max: 1400px;
    --container-padding: 2rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-2xl: 30px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    --shadow-2xl: 0 25px 50px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 40px rgba(0, 255, 136, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::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-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

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

ul, ol {
    list-style: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--spacing-md);
}

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

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

.section {
    padding: var(--spacing-5xl) 0;
    position: relative;
}

.section-dark {
    background-color: var(--primary-color);
    color: var(--white);
}

.section-gray {
    background-color: var(--gray-100);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo svg {
    height: 45px;
    width: auto;
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--gray-600);
    padding: var(--spacing-sm) 0;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition-base);
}

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

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

.nav-cta {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition-base);
}

.nav-cta:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.nav-mobile {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: var(--spacing-xl);
    transform: translateX(100%);
    transition: var(--transition-slow);
    z-index: var(--z-fixed);
    overflow-y: auto;
}

.nav-mobile.active {
    transform: translateX(0);
}

.nav-mobile-link {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 1px solid var(--gray-200);
}

.nav-mobile-link:hover {
    color: var(--secondary-color);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect fill="url(%23grid)" width="100" height="100"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.hero-title span {
    display: block;
}

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

.hero-description {
    font-size: var(--text-xl);
    color: var(--gray-300);
    max-width: 600px;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn svg {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-4xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--secondary-color);
    font-family: var(--font-secondary);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--gray-400);
    margin-top: var(--spacing-xs);
}

/* Hero Visual Elements */
.hero-visual {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    height: 80%;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.hero-shape-1 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    top: 10%;
    right: 20%;
    animation-delay: 0s;
}

.hero-shape-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    bottom: 20%;
    right: 40%;
    animation-delay: 2s;
}

.hero-shape-3 {
    width: 200px;
    height: 200px;
    background: var(--accent-secondary);
    top: 40%;
    right: 10%;
    animation-delay: 4s;
}

/* --------------------------------------------------------------------------
   Features & Services Cards
   -------------------------------------------------------------------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--secondary-color);
}

.feature-icon svg {
    width: 35px;
    height: 35px;
    color: var(--primary-color);
}

.feature-title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--gray-500);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   App Section
   -------------------------------------------------------------------------- */
.app-section {
    position: relative;
    overflow: hidden;
}

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

.app-info {
    padding-right: var(--spacing-2xl);
}

.app-info h2 {
    margin-bottom: var(--spacing-lg);
}

.app-info p {
    color: var(--gray-500);
    margin-bottom: var(--spacing-xl);
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.app-feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.app-feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.app-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-phone {
    position: relative;
    width: 300px;
    height: 600px;
    background: var(--primary-color);
    border-radius: 40px;
    padding: 10px;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition-slow);
}

.app-phone:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.app-phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.app-screen-header {
    width: 100%;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-screen-time {
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.app-screen-notch {
    width: 80px;
    height: 24px;
    background: black;
    border-radius: 20px;
}

.app-screen-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.app-screen-icon {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    border-radius: 15px;
}

.app-screen-text {
    width: 80%;
    height: 8px;
    background: var(--gray-600);
    border-radius: 4px;
}

.app-float-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    animation: floatCard 3s ease-in-out infinite;
}

.app-float-card-1 {
    top: 15%;
    left: -20%;
    animation-delay: 0s;
}

.app-float-card-2 {
    bottom: 25%;
    right: -15%;
    animation-delay: 1.5s;
}

.app-float-card svg {
    width: 30px;
    height: 30px;
    color: var(--secondary-color);
}

/* --------------------------------------------------------------------------
   About/Stats Section
   -------------------------------------------------------------------------- */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

.about-stat {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.about-stat:hover {
    transform: translateY(-5px);
    background: var(--gray-800);
}

.about-stat-number {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--secondary-color);
    font-family: var(--font-secondary);
    line-height: 1;
}

.about-stat-label {
    font-size: var(--text-lg);
    color: var(--gray-400);
    margin-top: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   News/Blog Grid
   -------------------------------------------------------------------------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.news-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: var(--transition-base);
}

.news-card:hover .news-image::before {
    opacity: 1;
}

.news-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.news-content {
    padding: var(--spacing-xl);
}

.news-date {
    font-size: var(--text-sm);
    color: var(--gray-400);
    margin-bottom: var(--spacing-sm);
}

.news-title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.news-excerpt {
    color: var(--gray-500);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--secondary-color);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

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

.news-link:hover svg {
    transform: translateX(5px);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
    background: var(--gradient-secondary);
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(0,0,0,0.1)"/><circle cx="80" cy="80" r="3" fill="rgba(0,0,0,0.1)"/><circle cx="50" cy="50" r="1.5" fill="rgba(0,0,0,0.1)"/></svg>');
}

.cta-content {
    position: relative;
    text-align: center;
    color: var(--primary-color);
}

.cta-content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--text-xl);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-dark {
    background: var(--primary-color);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--gray-800);
    transform: translateY(-3px);
}

.btn-outline-dark {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-dark:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding-top: var(--spacing-4xl);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--gray-700);
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo svg {
    height: 40px;
}

.footer-brand p {
    color: var(--gray-400);
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-column h4 {
    color: var(--white);
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: var(--spacing-sm);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) 0;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copyright {
    color: var(--gray-500);
    font-size: var(--text-sm);
}

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

.footer-legal a {
    color: var(--gray-500);
    font-size: var(--text-sm);
    transition: var(--transition-base);
}

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

/* --------------------------------------------------------------------------
   Page Headers
   -------------------------------------------------------------------------- */
.page-header {
    padding: 160px 0 80px;
    background: var(--gradient-primary);
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect fill="url(%23grid)" width="100" height="100"/></svg>');
}

.page-header-content {
    position: relative;
}

.page-header h1 {
    font-size: var(--text-5xl);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.page-header p {
    font-size: var(--text-xl);
    color: var(--gray-300);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    font-size: var(--text-sm);
    color: var(--gray-400);
}

.breadcrumb a:hover {
    color: var(--secondary-color);
}

.breadcrumb span {
    color: var(--secondary-color);
}

/* --------------------------------------------------------------------------
   Services Page Specific
   -------------------------------------------------------------------------- */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    margin-bottom: var(--spacing-4xl);
}

.service-detail:nth-child(even) {
    direction: rtl;
}

.service-detail:nth-child(even) > * {
    direction: ltr;
}

.service-detail-content h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-md);
}

.service-detail-content p {
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
}

.service-detail-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.service-detail-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-600);
}

.service-detail-list svg {
    width: 20px;
    height: 20px;
    color: var(--secondary-color);
}

.service-detail-visual {
    height: 400px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    position: relative;
    overflow: hidden;
}

.service-detail-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 255, 136, 0.1);
}

/* --------------------------------------------------------------------------
   Culture Page
   -------------------------------------------------------------------------- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-color);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.value-icon svg {
    width: 40px;
    height: 40px;
    color: var(--primary-color);
}

.value-title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-sm);
}

.value-description {
    color: var(--gray-500);
    font-size: var(--text-sm);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: var(--spacing-3xl);
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    border-radius: 50%;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -60px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -60px;
}

.timeline-year {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    color: var(--gray-500);
    font-size: var(--text-sm);
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.team-card {
    text-align: center;
}

.team-image {
    width: 200px;
    height: 200px;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.team-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 255, 136, 0.2);
}

.team-name {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xs);
}

.team-role {
    color: var(--gray-500);
    font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Contact Page
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
}

.contact-info h3 {
    font-size: var(--text-2xl);
    color: var(--white);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--secondary-color);
}

.contact-item h4 {
    color: var(--white);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--gray-400);
    font-size: var(--text-sm);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-xl);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* --------------------------------------------------------------------------
   Legal Pages
   -------------------------------------------------------------------------- */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.legal-content h2 {
    font-size: var(--text-2xl);
    margin-top: var(--spacing-3xl);
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.legal-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal-content h3 {
    font-size: var(--text-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.legal-content li {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.legal-content ul li {
    list-style-type: disc;
}

.legal-content ol li {
    list-style-type: decimal;
}

.legal-content a {
    color: var(--accent-color);
    text-decoration: underline;
}

.legal-content a:hover {
    color: var(--secondary-color);
}

.ad-platforms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.ad-platform-card {
    background: var(--gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    color: var(--gray-700);
}

.ad-types-section {
    background: var(--gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

.ad-type-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.ad-type-item:last-child {
    border-bottom: none;
}

.ad-type-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-type-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Large Desktop */
@media (max-width: 1200px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet */
@media (max-width: 992px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.75rem;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-visual {
        display: none;
    }
    
    .app-content {
        grid-template-columns: 1fr;
    }
    
    .app-info {
        padding-right: 0;
        text-align: center;
    }
    
    .app-features {
        align-items: center;
    }
    
    .app-visual {
        margin-top: var(--spacing-2xl);
    }
    
    .service-detail {
        grid-template-columns: 1fr;
    }
    
    .service-detail:nth-child(even) {
        direction: ltr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }
    
    .timeline-content::before,
    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -50px;
        right: auto;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
    }
    
    .section {
        padding: var(--spacing-4xl) 0;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: var(--text-3xl);
    }
    
    .features-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .page-header {
        padding: 120px 0 60px;
    }
    
    .ad-platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .app-phone {
        width: 260px;
        height: 520px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .values-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
}