/* Global Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
    background-color: #000;
    color: #fff;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Video Carousel Background */
.video-carousel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.bg-video.active {
    opacity: 1;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    /* Dark overlay for readability */
    z-index: 1;
}

/* Navigation */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    z-index: 100;
    display: flex;
    justify-content: center;
    /* Center the nav links */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #fff;
}

/* Main Container */
.container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.main-title {
    font-size: 6rem;
    font-weight: 100;
    /* Ultra thin */
    letter-spacing: 4px;
    margin-bottom: 10px;
    background: linear-gradient(to bottom, #fff, #ccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 200;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.download-btn {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    color: #fff;
    text-decoration: none;
    font-weight: 300;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    background: rgba(255, 255, 255, 0.1);
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #fff;
    transform: translateY(-2px);
}

/* Content Sections */
.content-section {
    padding: 100px 0;
    margin-bottom: 50px;
}

.content-section h2 {
    font-size: 2.5rem;
    font-weight: 200;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 1px;
}

/* Story Section */
.story-section {
    max-width: 800px;
    margin: 0 auto;
}

.story-content {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.story-content p {
    font-size: 1.1rem;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.85);
}

.story-content p:last-child {
    margin-bottom: 0;
    font-weight: 400;
    color: #fff;
}

/* Features Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, background 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.06);
}

.feature-icon {
    font-size: 1.5rem;
    font-weight: 100;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
    font-family: "Courier New", monospace;
    /* Monospace for numbers */
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.feature-card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
}

/* Footer */
footer {
    text-align: center;
    padding: 50px 0;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    font-weight: 300;
}

/* Document Pages (Privacy/Terms) Overrides */
.doc-container {
    max-width: 900px;
    margin: 120px auto 50px;
    /* Offset for fixed nav */
    padding: 0 20px;
}

.doc-header {
    text-align: center;
    margin-bottom: 50px;
}

.doc-header h1 {
    font-size: 2.5rem;
    font-weight: 200;
}

.doc-content {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.doc-content h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #fff;
}

.doc-content p,
.doc-content ul {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
}

.doc-content ul {
    padding-left: 20px;
}

.doc-content li {
    margin-bottom: 10px;
}

.back-link {
    display: inline-block;
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-weight: 300;
    transition: color 0.3s;
}

.back-link:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .main-title {
        font-size: 4rem;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a {
        font-size: 0.8rem;
    }
}