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

:root {
    --primary-blue: #5CCAFF;
    --dark-blue: #0066CC;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --bg-light: #ffffff;
    --bg-dark: #f8f9fa;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #5CCAFF 0%, #4AB8FF 50%, #3AA0FF 100%);
    backdrop-filter: blur(10px);
    border-bottom: none;
    transition: var(--transition);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
}

.logo svg {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: white;
}

.btn-primary {
    background: #000;
    color: white !important;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-primary:hover {
    background: #333;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 60px;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #5CCAFF 0%, #4AB8FF 50%, #3AA0FF 100%);
    z-index: -1;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    padding: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-logo-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 0 auto 2rem;
}

.demo-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    overflow: hidden;
    background: #2563eb;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-text {
    font-size: 5.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    line-height: 1;
}

.icon-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.8s ease-out;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    color: var(--text-primary);
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    margin-bottom: 2.5rem;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.hero-video-container {
    margin: 0 auto 2rem;
    max-width: 950px;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.vimeo-iframe {
    width: 100%;
    height: 100%;
    display: block;
}

.hero-description {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.95;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

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

/* Feature Sections */
.feature-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.feature-section:nth-child(even) {
    background: var(--bg-dark);
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.feature-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-content.reverse {
    grid-template-columns: 1fr 1.2fr;
}

.feature-content.reverse .feature-visual {
    order: 2;
}

.feature-content.reverse .feature-text {
    order: 1;
}

.feature-visual {
    position: relative;
}

.feature-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.feature-text {
    padding: 2rem 0;
}

.feature-icon {
    height: 48px;
    width: auto;
    margin-bottom: 2rem;
    object-fit: contain;
}

.feature-text p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Privacy Control Section */
.privacy-control-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.privacy-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.privacy-icon {
    width: 400px;
    height: auto;
    max-width: 100%;
}

.privacy-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.privacy-content p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.learn-more-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
}

.learn-more-link:hover {
    gap: 0.75rem;
}

/* More Features Section */
.more-features-section {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Download Section Bottom */
.download-section-bottom {
    padding: 6rem 0;
    background: linear-gradient(135deg, #5CCAFF 0%, #4AB8FF 50%, #3AA0FF 100%);
    color: white;
    text-align: center;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

.demo-icon-small {
    width: 96px;
    height: 96px;
    margin: 0 auto 2rem;
    border-radius: 24px;
    overflow: hidden;
    background: #2563eb;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-video-small {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.download-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.btn-download-large {
    display: inline-block;
    background: white;
    color: var(--text-primary);
    padding: 0.875rem 2.25rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 1.25rem;
}

.btn-download-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.download-note {
    font-size: 0.9rem;
    opacity: 0.9;
}

.download-note sup {
    font-size: 0.75rem;
}

/* Footer */
.footer {
    background: #f8f9fa;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-cta {
    margin: 3rem 0;
    text-align: center;
}

.footer-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--text-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-cta-link:hover {
    background: #000;
    transform: translateY(-2px);
}

.cta-label-mobile {
    display: none;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.manage-cookies {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.manage-cookies:hover {
    color: var(--text-primary);
}

.footer-bottom-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

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

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

.language-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.language-selector:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* Responsive Design */
@media (max-width: 968px) {
    .feature-content,
    .feature-content.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .feature-content.reverse .feature-visual,
    .feature-content.reverse .feature-text {
        order: initial;
    }
}

@media (max-width: 768px) {
    .nav-links a:not(.btn-primary) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 8rem 0 4rem;
    }

    .hero-content {
        padding: 1rem;
    }

    .hero-logo-group {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-logo-text {
        font-size: 3rem;
    }

    .demo-icon {
        width: 72px;
        height: 72px;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }

    .footer-bottom-right {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .cta-label {
        display: none;
    }

    .cta-label-mobile {
        display: inline;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* Animations */
@media (prefers-reduced-motion: no-preference) {
    .feature-card {
        opacity: 0;
        animation: fadeInUp 0.6s ease-out forwards;
    }

    .feature-card:nth-child(1) { animation-delay: 0.1s; }
    .feature-card:nth-child(2) { animation-delay: 0.2s; }
    .feature-card:nth-child(3) { animation-delay: 0.3s; }
}