:root {
    --bg-color: #ffffff;
    --surface-color: #f5f5f5;
    --border-color: #e0e0e0;
    --text-primary: #000000;
    --text-secondary: #666666;
    --primary-color: #000000;
    --primary-hover: #333333;
    --accent-color: #000000;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 0;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    border: 1px solid var(--primary-color);
}

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

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

.btn-secondary:hover {
    background: var(--surface-color);
    border-color: #999;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
}

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

/* Hero */
.hero {
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

.animate-scale-in {
    animation: scaleIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Loading State */
.loader-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    width: 100%;
}

.loader {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 0;
    border-top-color: var(--text-primary);
    animation: spin 1s ease-in-out infinite;
}

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

.hidden {
    display: none !important;
}

.hero-container {
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-content {
    max-width: 600px;
}

.hero-image {
    margin-bottom: 32px;
}

.hero-image img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
}

.hero-title span {
    color: var(--text-secondary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* Metrics Section */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

.metric-card {
    text-align: center;
    transition: border-color 0.3s ease;
}

.metric-card:hover {
    border-color: #999;
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -0.04em;
    color: var(--text-primary);
}

.metric-number::after {
    content: '+';
    color: var(--text-secondary);
    font-size: 1.5rem;
    margin-left: 4px;
    font-weight: 400;
}

.metric-label {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .metric-number {
        font-size: 2rem;
    }
}

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

/* Sections */
.section {
    padding: 120px 0;
}

.bg-light {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Grid */
.grid {
    display: grid;
    gap: 24px;
}

.gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.video-grid {
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

/* Cards */
.card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.card:hover {
    border-color: #999;
}

.card-img-wrapper {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover img {
    transform: scale(1.05);
}

.video-wrapper {
    aspect-ratio: 16/9;
}

.video-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.featured-video {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 0;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.lightbox img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 0;
}

.close-lightbox {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 0;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.close-lightbox:hover {
    background: var(--border-color);
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 40px;
    }

    .hero-actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a:not(.btn) {
        display: block;
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
}