:root {
    --bg: #000000;
    --text: #ffffff;
    --text-dim: #888888;
    --cyan: #00E5FF;
    --cyan-glow: rgba(0, 229, 255, 0.4);
    --surface: rgba(255, 255, 255, 0.03);
    --surface-border: rgba(255, 255, 255, 0.08);
    --glass: blur(20px);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Background Effects */
.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.glow-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--cyan-glow), transparent 70%);
    animation-delay: 0s;
}

.glow-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(0, 100, 255, 0.2), transparent 70%);
    animation-delay: -5s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(30px, -30px);
    }
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: var(--glass);
    -webkit-backdrop-filter: var(--glass);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.05em;
    color: var(--text);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.06em;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 400;
    animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.cta-container {
    animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.4s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.play-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.play-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.play-btn:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--cyan);
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.15);
}

.play-btn:hover::before {
    transform: translateX(100%);
}

.play-btn svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.play-btn:hover svg {
    transform: scale(1.1);
}

.btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.btn-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin-top: 6rem;
    padding: 0 1rem;
    animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.6s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    padding: 2.5rem;
    border-radius: 24px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
}

.feature-desc {
    color: var(--text-dim);
    font-size: 1rem;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

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

    h1 {
        margin-bottom: 1rem;
    }
}

/* Content Page Styles */
.content-page {
    padding-top: 8rem;
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 4rem;
    padding-left: 2rem;
    padding-right: 2rem;
}

.content-page h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    text-align: left;
    background: none;
    -webkit-text-fill-color: var(--text);
    opacity: 1;
    transform: none;
    animation: none;
}

.content-page h2 {
    font-size: 1.8rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.content-page h3 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.content-page p {
    color: var(--text-dim);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.content-page ul {
    list-style-type: disc;
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dim);
}

.content-page li {
    margin-bottom: 0.5rem;
}

.content-page strong {
    color: var(--text);
}