:root {
    --bg-dark: #0a0a0c;
    --bg-surface: #121216;
    --bg-surface-hover: #1a1a20;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --accent-tertiary: #ec4899;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

.title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 0;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid var(--border-subtle);
}

.brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.1em;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(10, 10, 12, 0) 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-dark);
    box-shadow: 0 4px 14px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

/* Vision Section */
.vision {
    padding: 8rem 0;
    background: var(--bg-dark);
    position: relative;
}

.vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

@media (min-width: 992px) {
    .vision-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.vision-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 2rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    padding: 3rem 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.875rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .vision-features {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .feature-card {
        padding: 1.5rem;
    }
}