/* CSS Variables & Design System */
:root {
    --bg-color: #030303;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a6;
    --accent-primary: #8a2be2;
    --accent-secondary: #4b0082;
    --accent-glow: rgba(138, 43, 226, 0.4);
    --glass-bg: rgba(10, 10, 10, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-family: 'Inter', BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    --section-padding: 160px 40px;
    --ease-premium: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

/* Noise & Decorative Background */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    pointer-events: none;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.glow-blob {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -2;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.4;
}

.glow-1 {
    top: -200px;
    right: -100px;
    animation: floatingGlow 20s infinite alternate;
}

.glow-2 {
    bottom: -150px;
    left: -100px;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.3) 0%, transparent 70%);
    animation: floatingGlow 25s infinite alternate-reverse;
}

.glow-3 {
    top: 40%;
    right: 20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(191, 90, 242, 0.2) 0%, transparent 70%);
    animation: floatingGlow 15s infinite alternate;
}

@keyframes floatingGlow {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(180deg, #fff 0%, #a2a2a2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.accent-text {
    background: linear-gradient(135deg, #8a2be2 0%, #bf5af2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Layout Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: all 0.5s var(--ease-premium);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    padding: 16px 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.03em;
}

.logo-icon-img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s var(--ease-premium);
}

.logo:hover .logo-icon-img {
    transform: rotate(-5deg) scale(1.08);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    background: rgba(255, 255, 255, 0.03);
    padding: 8px 24px;
    border-radius: 99px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s var(--ease-premium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.cta-button {
    background-color: var(--text-primary);
    color: var(--bg-color);
    padding: 12px 28px;
    border-radius: 99px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s var(--ease-premium);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}

@media (max-width: 900px) {
    nav .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-links {
        padding: 6px 16px;
        gap: 20px;
    }
    
    header {
        padding: 15px 0;
    }
}

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

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.7;
    z-index: -1;
    pointer-events: none;
    filter: brightness(0.6);
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    max-width: 900px;
    padding: 0 40px;
    z-index: 10;
}

.hero h1 {
    font-size: 100px;
    line-height: 0.95;
    margin-bottom: 24px;
    font-weight: 800;
    letter-spacing: -0.05em;
    animation: heroFadeUp 1.2s var(--ease-premium) forwards;
}

@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(40px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 56px;
    }
}

.hero p {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-weight: 400;
    letter-spacing: -0.01em;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: heroFadeUp 1.2s var(--ease-premium) 0.2s forwards;
    opacity: 0;
}

.hero-actions {
    animation: heroFadeUp 1.2s var(--ease-premium) 0.4s forwards;
    opacity: 0;
}

/* Features Grid */
.features {
    padding: var(--section-padding);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 48px;
    border-radius: 32px;
    transition: all 0.4s var(--ease-premium);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(1000px circle at var(--mouse-x) var(--mouse-y), rgba(138, 43, 226, 0.25), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s var(--ease-premium);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(138, 43, 226, 0.4);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.feature-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Sections Common */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.section-header h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

/* Footer */
footer {
    padding: 60px 20px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-logo {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
}

.copyright {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s var(--ease-premium);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}