/* Beijing Jiyou Decoration Engineering - Main Styles */
:root {
    --primary-color: #c5a059;
    --primary-light: #d4b06a;
    --primary-dark: #a68b48;
    --secondary-color: #1a1a2e;
    --accent-color: #e8d5a3;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5e;
    --text-light: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #0d0d14;
    --gradient-gold: linear-gradient(135deg, #c5a059 0%, #f0d78c 50%, #c5a059 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-md: 0 5px 25px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 50px rgba(0,0,0,0.2);
    --shadow-gold: 0 5px 30px rgba(197,160,89,0.3);
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background: var(--bg-light);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.text-gold { color: var(--primary-color); }
.text-light { color: var(--text-light); }
.text-center { text-align: center; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-medium);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.98);
    padding: 15px 0;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-logo svg {
    height: 60px;
    width: auto;
}

.nav-logo span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-light);
    display: none;
}

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

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 10px 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

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

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

.nav-cta {
    background: var(--gradient-gold);
    color: var(--secondary-color);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-gold);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(197,160,89,0.4);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 30px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition-fast);
    border-radius: 2px;
}

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

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

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

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(26, 26, 46, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu .nav-link {
    font-size: 1.5rem;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080"><defs><linearGradient id="g1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%23c5a059;stop-opacity:0.1"/><stop offset="100%" style="stop-color:%231a1a2e;stop-opacity:0.1"/></linearGradient></defs><rect fill="url(%23g1)" width="1920" height="1080"/></svg>');
    background-size: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, var(--bg-dark) 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-light);
    max-width: 1000px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    padding: 10px 30px;
    background: rgba(197,160,89,0.2);
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    font-size: 0.9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 30px;
    animation: fadeInDown 1s ease forwards;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 30px;
    line-height: 1.1;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

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

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: rgba(255,255,255,0.8);
    margin-bottom: 50px;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.9s forwards;
    opacity: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--secondary-color);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(197,160,89,0.5);
}

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

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.hero-scroll svg {
    width: 40px;
    height: 40px;
    fill: var(--primary-color);
}

/* Section Styles */
.section {
    padding: 120px 0;
    position: relative;
}

.section-dark {
    background: var(--bg-dark);
    color: var(--text-light);
}

.section-pattern {
    background: linear-gradient(135deg, var(--bg-light) 0%, #e8e8e8 100%);
    position: relative;
}

.section-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c5a059' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-block;
    padding: 8px 25px;
    background: rgba(197,160,89,0.15);
    border: 1px solid var(--primary-color);
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 20px;
}

.section-title span {
    color: var(--primary-color);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(197,160,89,0.1) 0%, rgba(197,160,89,0.2) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: var(--gradient-gold);
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--primary-color);
    transition: var(--transition-fast);
}

.service-card:hover .service-icon svg {
    fill: var(--secondary-color);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* App Showcase */
.app-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 60px;
}

.app-image {
    position: relative;
}

.app-phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 40px;
    padding: 15px;
    margin: 0 auto;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    animation: float 6s ease-in-out infinite;
}

.app-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #1a1a2e 100%);
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: 20px;
    background: rgba(197,160,89,0.2);
    text-align: center;
}

.app-header h4 {
    color: var(--primary-color);
    font-size: 1rem;
    margin: 0;
}

.app-content {
    padding: 20px;
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.app-feature {
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    padding: 15px;
    text-align: center;
}

.app-feature svg {
    width: 30px;
    height: 30px;
    fill: var(--primary-color);
    margin-bottom: 8px;
}

.app-feature span {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.8);
}

.app-info h2 {
    margin-bottom: 30px;
}

.app-features-list {
    margin: 30px 0;
}

.app-feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(197,160,89,0.1);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

.app-feature-item svg {
    width: 24px;
    height: 24px;
    fill: var(--primary-color);
    flex-shrink: 0;
}

.store-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    background: var(--secondary-color);
    border-radius: 15px;
    transition: var(--transition-fast);
}

.store-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

.store-btn svg {
    width: 30px;
    height: 30px;
    fill: var(--text-light);
}

.store-btn-text {
    text-align: left;
}

.store-btn-text small {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.7);
}

.store-btn-text span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
}

/* Statistics */
.stats-section {
    background: var(--gradient-dark);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(197,160,89,0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 15px;
}

.stat-number span {
    color: var(--text-light);
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* About Preview */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.about-img {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.about-img:nth-child(2) {
    transform: translateY(40px);
}

.about-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 50%, rgba(26,26,46,0.8) 100%);
    z-index: 1;
}

.about-img-caption {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    z-index: 2;
    color: white;
    font-weight: 600;
}

.about-content h2 {
    margin-bottom: 30px;
}

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

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 15px;
}

.about-feature svg {
    width: 30px;
    height: 30px;
    fill: var(--primary-color);
}

.about-feature span {
    font-weight: 600;
    color: var(--text-primary);
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 250px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.news-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(26,26,46,0.6) 100%);
}

.news-category {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 20px;
    background: var(--primary-color);
    color: var(--secondary-color);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-date {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: white;
    font-size: 0.9rem;
}

.news-content {
    padding: 30px;
}

.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.news-link svg {
    width: 20px;
    height: 20px;
    fill: var(--primary-color);
    transition: var(--transition-fast);
}

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

/* CTA Section */
.cta-section {
    background: var(--gradient-gold);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before,
.cta-section::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}

.cta-section::before {
    top: -200px;
    left: -200px;
}

.cta-section::after {
    bottom: -200px;
    right: -200px;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    color: var(--secondary-color);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(26,26,46,0.8);
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-dark {
    background: var(--secondary-color);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.btn-dark:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--secondary-color);
    color: var(--text-light);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    background: var(--gradient-dark);
    border-radius: 30px;
    padding: 50px;
    color: var(--text-light);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-item h4 {
    margin-bottom: 8px;
    color: var(--primary-color);
}

.contact-item p {
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

.contact-form {
    background: white;
    border-radius: 30px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(197,160,89,0.1);
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding-top: 80px;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.footer-brand svg {
    height: 60px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.footer-social svg {
    width: 20px;
    height: 20px;
    fill: var(--text-light);
}

.footer-column h4 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

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

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

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

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-20px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.animate-fade-down {
    opacity: 0;
    animation: fadeInDown 0.8s ease forwards;
}

.animate-scale {
    opacity: 0;
    animation: scaleIn 0.8s ease forwards;
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-animate-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .app-showcase,
    .about-preview,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .app-image {
        order: -1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .services-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 20px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .store-buttons {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}

/* Loading Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

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

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(197,160,89,0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Page Header */
.page-header {
    padding: 200px 0 100px;
    background: var(--gradient-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 100%, rgba(197,160,89,0.2) 0%, transparent 50%);
}

.page-header h1 {
    color: var(--text-light);
    position: relative;
    z-index: 2;
}

.page-header p {
    color: rgba(255,255,255,0.8);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 20px auto 0;
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
    position: relative;
    z-index: 2;
}

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

.breadcrumb span {
    color: rgba(255,255,255,0.5);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 60px auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 30px;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.timeline-year {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.timeline-content h3 {
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.value-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
    border: 2px solid transparent;
}

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

.value-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(197,160,89,0.1) 0%, rgba(197,160,89,0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon svg {
    width: 50px;
    height: 50px;
    fill: var(--primary-color);
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.team-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.team-image {
    height: 300px;
    background: var(--gradient-dark);
    position: relative;
}

.team-info {
    padding: 25px;
    text-align: center;
}

.team-info h3 {
    margin-bottom: 5px;
}

.team-info span {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

.team-social a {
    width: 35px;
    height: 35px;
    background: rgba(197,160,89,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.team-social a:hover {
    background: var(--primary-color);
}

.team-social svg {
    width: 16px;
    height: 16px;
    fill: var(--primary-color);
}

.team-social a:hover svg {
    fill: white;
}