:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #14b8a6;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --gray-lighter: #cbd5e1;
    --light: #f8fafc;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

ul {
    list-style: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
}

.view-all {
    color: var(--primary);
    font-weight: 600;
    transition: color 0.3s;
}

.view-all:hover {
    color: var(--primary-dark);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

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

.logo-text .accent {
    color: var(--secondary);
}

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

.nav-menu a {
    color: var(--gray-light);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--white);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: var(--dark);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.2);
    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: 24px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--gray-light);
    max-width: 500px;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.globe-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.globe {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--gradient);
    box-shadow: 
        inset -20px -20px 60px rgba(0, 0, 0, 0.3),
        0 0 60px rgba(99, 102, 241, 0.5);
    animation: pulse 4s ease-in-out infinite;
}

.globe::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 30%;
    height: 30%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    filter: blur(10px);
}

.globe-inner {
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 20px,
            rgba(255, 255, 255, 0.05) 20px,
            rgba(255, 255, 255, 0.05) 21px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 20px,
            rgba(255, 255, 255, 0.05) 20px,
            rgba(255, 255, 255, 0.05) 21px
        );
}

.orbit {
    position: absolute;
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.orbit-1 {
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -50%) rotateX(70deg) rotateZ(45deg);
    animation-duration: 25s;
}

.orbit-2 {
    top: 50%;
    left: 50%;
    width: 350px;
    height: 350px;
    transform: translate(-50%, -50%) rotateX(70deg) rotateZ(-30deg);
    animation-duration: 30s;
    animation-direction: reverse;
}

.orbit-3 {
    top: 50%;
    left: 50%;
    width: 400px;
    height: 400px;
    transform: translate(-50%, -50%) rotateX(70deg) rotateZ(90deg);
    animation-duration: 35s;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 
            inset -20px -20px 60px rgba(0, 0, 0, 0.3),
            0 0 60px rgba(99, 102, 241, 0.5);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        box-shadow: 
            inset -20px -20px 60px rgba(0, 0, 0, 0.3),
            0 0 80px rgba(99, 102, 241, 0.7);
    }
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(var(--start-angle, 0deg)); }
    to { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(calc(var(--start-angle, 0deg) + 360deg)); }
}

.stats {
    padding: 80px 0;
    background: var(--light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.stat-plus, .stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    margin-top: 8px;
    color: var(--gray);
    font-weight: 500;
}

.latest-news {
    padding: 120px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.news-featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
}

.news-featured .news-image {
    height: 100%;
}

.news-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.news-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.news-tag.featured {
    background: var(--accent);
}

.news-content {
    padding: 28px;
}

.news-date {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 12px;
    display: block;
}

.news-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-content p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.read-more {
    color: var(--primary);
    font-weight: 600;
    transition: color 0.3s;
}

.read-more:hover {
    color: var(--primary-dark);
}

.features {
    padding: 120px 0;
    background: var(--dark);
}

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

.features-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.features-header p {
    color: var(--gray-light);
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px 32px;
    background: var(--dark-light);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

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

.newsletter {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

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

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    background: var(--white);
    color: var(--dark);
}

.newsletter-form input::placeholder {
    color: var(--gray);
}

.newsletter-form .btn-primary {
    background: var(--dark);
}

.newsletter-form .btn-primary:hover {
    background: var(--dark-light);
}

.newsletter-note {
    margin-top: 16px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.timeline {
    padding: 120px 0;
    background: var(--light);
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

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

.timeline-item {
    position: relative;
    padding: 24px 0;
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 40px);
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 40px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 32px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: var(--shadow);
}

.timeline-content {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    max-width: 350px;
}

.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    margin-bottom: 12px;
}

.timeline-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--gray);
    font-size: 0.9rem;
}

.footer {
    background: var(--dark);
    padding: 80px 0 40px;
}

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

.footer-brand p {
    color: var(--gray-light);
    margin: 20px 0 24px;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-light);
    border-radius: var(--radius);
    color: var(--gray-light);
    font-size: 1.25rem;
    transition: all 0.3s;
}

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

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 24px;
}

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

.footer-links a {
    color: var(--gray-light);
    transition: color 0.3s;
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray);
    font-size: 0.875rem;
}

.footer-bottom .disclaimer {
    color: var(--gray);
    font-size: 0.75rem;
    max-width: 400px;
    text-align: right;
}

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content p {
        max-width: 100%;
    }

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

    .hero-visual {
        display: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-featured {
        grid-column: auto;
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 40px;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .timeline-container::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-dot {
        left: 20px;
    }

    .newsletter-form {
        flex-direction: column;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-bottom .disclaimer {
        text-align: center;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .newsletter-content h2 {
        font-size: 1.75rem;
    }
}
