/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --accent: #f59e0b;
    --bg-dark: #0f0f1a;
    --bg-darker: #080810;
    --bg-card: #1a1a2e;
    --bg-card-hover: #252542;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: #27273a;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --transition: all 0.3s ease;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
}

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

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switch {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.lang-btn i {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 20px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
}

.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title span {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin: 10px auto 0;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.3;
    }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

/* ===== Features Section ===== */
.features {
    background: var(--bg-darker);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

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

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Stats Section ===== */
.stats {
    background: var(--bg-dark);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 30px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* ===== Page Hero ===== */
.page-hero {
    padding: 160px 20px 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center top, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
}

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

.page-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 1.25rem;
}


/* ===== Services Detail ===== */
.services-detail {
    background: var(--bg-dark);
}

.service-block {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.service-block:last-child {
    margin-bottom: 0;
}

.service-content {
    flex: 1;
}

.service-icon-large {
    width: 80px;
    height: 80px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon-large i {
    font-size: 2rem;
    color: var(--primary);
}

.service-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.service-content > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.service-features {
    display: grid;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.service-features i {
    color: var(--secondary);
    font-size: 0.875rem;
}

/* ===== Process Section ===== */
.process {
    background: var(--bg-darker);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.process-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    position: relative;
    transition: var(--transition);
}

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

.step-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.5;
    margin-bottom: 16px;
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

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

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder i {
    font-size: 5rem;
    color: var(--primary);
    opacity: 0.5;
}

/* ===== Values Section ===== */
.values {
    background: var(--bg-darker);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

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

.value-icon {
    width: 70px;
    height: 70px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 1.75rem;
    color: var(--primary);
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.value-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Team Section ===== */
.team {
    background: var(--bg-dark);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

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

.team-avatar {
    width: 100px;
    height: 100px;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.team-avatar i {
    font-size: 2.5rem;
    color: var(--primary);
}

.team-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.team-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Tech Grid ===== */
.expertise {
    background: var(--bg-darker);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.tech-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
}

.tech-item:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.tech-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.tech-item span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--bg-dark);
}

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

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
    color: var(--primary);
}

.contact-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-social h4 {
    margin-bottom: 16px;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.social-links a i {
    font-size: 1.25rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-links a:hover i {
    color: white;
}

/* ===== Contact Form ===== */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form-group label {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* ===== Map Section ===== */
.map-section {
    background: var(--bg-darker);
    padding: 60px 0;
}

.map-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.5;
}

.map-placeholder p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ===== Legal Content ===== */
.legal-content {
    background: var(--bg-dark);
    padding-bottom: 100px;
}

.legal-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.legal-updated {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    margin-bottom: 40px;
}

.legal-updated p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.legal-section h2 {
    font-size: 1.5rem;
    margin: 40px 0 16px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

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

.legal-section h3 {
    font-size: 1.2rem;
    margin: 24px 0 12px;
    color: var(--text-primary);
}

.legal-section p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.legal-section ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-section ul li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    position: relative;
    padding-left: 16px;
    line-height: 1.7;
}

.legal-section ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.legal-section strong {
    color: var(--text-primary);
}


/* ===== Footer ===== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-social a i {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover i {
    color: white;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.footer-contact i {
    color: var(--primary);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== Mobile Menu ===== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
    z-index: 999;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding: 10px 0;
    display: block;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
    
    .cta-content h2 {
        font-size: 1.75rem;
    }
    
    .page-hero {
        padding: 120px 20px 60px;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 60px;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero {
        padding: 80px 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .feature-card,
    .value-card,
    .team-card,
    .process-step {
        padding: 30px 20px;
    }
    
    .legal-section h2 {
        font-size: 1.25rem;
    }
}

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }