/* ═══════════════════════════════════════════════════════════════════════════
   Adorion Web – Design System
   Premium Dark UI with purple accent and glassmorphism
═══════════════════════════════════════════════════════════════════════════ */

:root {
    --bg-base: #0a0a12;
    --bg-surface: rgba(23, 23, 42, 0.7);
    --bg-elevated: rgba(30, 30, 53, 0.8);
    --accent: #7c4dff;
    --accent-light: #9f72ff;
    --accent-glow: rgba(124, 77, 255, 0.3);
    --text-primary: #f8f8ff;
    --text-secondary: #a0a0c0;
    --border: rgba(255, 255, 255, 0.08);
    --radius-lg: 24px;
    --radius-md: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ─── Layout ─── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 32px;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition);
}

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

/* ─── Hero ─── */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
}

h1 {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to bottom, #fff, #a0a0ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 10px 30px rgba(124, 77, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(124, 77, 255, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--border);
    margin-left: 16px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ─── Features ─── */
.features {
    padding: 100px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-surface);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: left;
    transition: transform var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 24px;
}

.feature-card h3 {
    margin-bottom: 16px;
    font-size: 20px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ─── App Mockup ─── */
.mockup-container {
    margin-top: 80px;
    background: var(--bg-elevated);
    border-radius: 20px;
    padding: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 40px 100px rgba(0,0,0,0.5);
    overflow: hidden;
}

.mockup {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

/* ─── Footer ─── */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
}