/* WEEX Exchange - Main Stylesheet */
/* Version: 1.0.0 */

/* ================================
   CSS Variables & Reset
================================ */
:root {
    --primary-color: #6c5ce7;
    --primary-dark: #5b4cdb;
    --primary-light: #a29bfe;
    --secondary-color: #00cec9;
    --accent-color: #fdcb6e;
    --success-color: #00b894;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    
    --dark-bg: #0a0a1a;
    --dark-secondary: #12122a;
    --dark-card: #1a1a3e;
    --dark-border: #2d2d5a;
    
    --text-primary: #ffffff;
    --text-secondary: #b2b2cc;
    --text-muted: #8888aa;
    
    --gradient-primary: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    --gradient-secondary: linear-gradient(135deg, #00cec9 0%, #81ecec 100%);
    --gradient-accent: linear-gradient(135deg, #fdcb6e 0%, #f8b500 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a1a 0%, #1a1a3e 100%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.3);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
    list-style: none;
}

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

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

input, textarea, select {
    font-family: inherit;
    outline: none;
}

/* ================================
   Utility Classes
================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(108, 92, 231, 0.5);
}

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

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

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

.btn-white:hover {
    background: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    border: 2px solid white;
    color: white;
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ================================
   Section Styles
================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: var(--border-radius-xl);
    color: var(--primary-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ================================
   Header & Navigation
================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 26, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: 16px 0;
}

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

.navbar-brand {
    display: flex;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo img {
    border-radius: 50%;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: transparent;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 16px;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-light);
    background: rgba(108, 92, 231, 0.1);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ================================
   Hero Section
================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(0, 206, 201, 0.1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 160px 120px, rgba(255,255,255,0.3), transparent);
    background-size: 200px 150px;
    animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(0); }
    100% { transform: translateY(-150px); }
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 206, 201, 0.15);
    border: 1px solid rgba(0, 206, 201, 0.3);
    border-radius: var(--border-radius-xl);
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

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

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-image-wrapper {
    position: relative;
}

.hero-image {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-glow);
}

.hero-image-float {
    position: absolute;
    background: rgba(26, 26, 62, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 12px 20px;
    animation: floatAnimation 3s ease-in-out infinite;
}

.hero-float-1 {
    top: 10%;
    right: -30px;
    animation-delay: 0s;
}

.hero-float-2 {
    top: 40%;
    right: -40px;
    animation-delay: 0.5s;
}

.hero-float-3 {
    bottom: 15%;
    right: -20px;
    animation-delay: 1s;
}

.float-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.float-change {
    font-size: 0.9rem;
    font-weight: 500;
}

.float-change.positive {
    color: var(--success-color);
}

.float-change.negative {
    color: var(--danger-color);
}

@keyframes floatAnimation {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    animation: bounceAnimation 2s ease-in-out infinite;
}

.scroll-text {
    font-size: 0.85rem;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}

@keyframes bounceAnimation {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ================================
   Features Section
================================ */
.features {
    padding: 100px 0;
    background: var(--dark-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    position: relative;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    transition: var(--transition-normal);
}

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

.feature-card.featured {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.2) 0%, rgba(0, 206, 201, 0.1) 100%);
    border-color: var(--primary-color);
}

.feature-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: var(--border-radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

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

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-list li {
    padding: 6px 12px;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    color: var(--primary-light);
}

/* ================================
   Services Section
================================ */
.services {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.service-image {
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.service-content {
    padding: 30px;
}

.service-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 206, 201, 0.15);
    border-radius: var(--border-radius-xl);
    color: var(--secondary-color);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.service-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

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

.service-features {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    font-weight: 600;
}

.service-link::after {
    content: '→';
    transition: var(--transition-fast);
}

.service-link:hover::after {
    transform: translateX(5px);
}

/* ================================
   Download Section
================================ */
.download {
    padding: 100px 0;
    background: var(--dark-secondary);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.download-visual {
    position: relative;
    text-align: center;
}

.phone-mockup {
    position: relative;
    display: inline-block;
}

.phone-mockup img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-glow);
}

.download-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--dark-card);
    border-radius: var(--border-radius-xl);
    font-weight: 500;
}

.download-feature svg {
    width: 20px;
    height: 20px;
    color: var(--success-color);
}

.download-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 30px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.download-btn:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

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

.download-text {
    display: flex;
    flex-direction: column;
}

.download-label {
    font-size: 1.1rem;
    font-weight: 600;
}

.download-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.download-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.download-qr img {
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.qr-hint {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ================================
   FAQ Section
================================ */
.faq {
    padding: 100px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-md);
    padding: 30px;
    transition: var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================
   Statistics Section
================================ */
.statistics {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.15) 0%, rgba(0, 206, 201, 0.1) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-text {
    display: block;
    margin-top: 8px;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ================================
   Partners Section
================================ */
.partners {
    padding: 80px 0;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 30px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.partner-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.partner-item img {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition-normal);
}

.partner-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ================================
   CTA Section
================================ */
.cta {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
}

.cta-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent);
    background-size: 200px 150px;
}

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

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

.cta-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
}

.cta-desc {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-weight: 500;
}

.cta-feature svg {
    width: 20px;
    height: 20px;
}

/* ================================
   Contact Section
================================ */
.contact {
    padding: 100px 0;
    background: var(--dark-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    padding: 40px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
}

.contact-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-desc {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-value {
    font-size: 1rem;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
}

.social-link:hover svg {
    color: white;
}

.contact-form-wrapper {
    padding: 40px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ================================
   Footer
================================ */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid var(--dark-border);
}

.footer-main {
    padding: 60px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-brand {
    padding-right: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    border-radius: 50%;
}

.footer-brand-name {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-list a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-list a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid var(--dark-border);
}

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

.copyright {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

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

/* ================================
   Animations
================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ================================
   Responsive Design
================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 26, 0.98);
        padding: 20px;
        border-top: 1px solid var(--dark-border);
        display: none;
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-actions {
        display: none;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        padding-right: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        gap: 20px;
    }
    
    .partner-item {
        padding: 15px 20px;
    }
}

/* ================================
   Print Styles
================================ */
@media print {
    .header,
    .hero-scroll,
    .cta,
    .contact-form-wrapper,
    .social-links {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero,
    .features,
    .services,
    .download,
    .faq,
    .statistics,
    .partners,
    .contact {
        background: white;
        color: black;
    }
}