:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #3b82f6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-accent: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.header-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Hero Section with Video Background */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.4) 0%,
        rgba(59, 130, 246, 0.3) 50%,
        rgba(6, 182, 212, 0.4) 100%
    );
    backdrop-filter: blur(2px);
}

/* Animated Background Elements */
.background-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    opacity: 0.15;
    animation: float 15s infinite linear;
    filter: blur(1px);
}

.shape-1 {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 100px;
    height: 100px;
    background: var(--accent-color);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    animation-duration: 20s;
}

.shape-3 {
    width: 120px;
    height: 120px;
    background: var(--success-color);
    border-radius: 50%;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
    animation-duration: 25s;
}

.shape-4 {
    width: 60px;
    height: 60px;
    background: var(--warning-color);
    border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%;
    top: 20%;
    left: 85%;
    animation-delay: 6s;
    animation-duration: 18s;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.btn-hero {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    animation: fadeInUp 1s ease-out 1s both;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease-out 0.5s both;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-image:hover {
    transform: scale(1.02);
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.floating-card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.floating-card-2 {
    bottom: 20%;
    left: -15%;
    animation-delay: 1s;
}

.floating-card-3 {
    top: 50%;
    right: 10%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--bg-primary);
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    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 0 100 100" preserveAspectRatio="none"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23f8fafc" /><stop offset="100%" stop-color="%23e2e8f0" /></linearGradient></defs><path d="M0,0 L100,0 L100,100 Z" fill="url(%23grad)" opacity="0.1"/></svg>');
    background-size: cover;
    z-index: 0;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Footer */
footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Animations */
@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);
    }
}

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

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
    padding: 80px 2rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu a:last-child {
    border-bottom: none;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Button ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        padding: 0 1rem;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        padding-top: 70px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .floating-card {
        display: none;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .btn-hero {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}