/**
 * 2026 Modern SaaS Dark & Light Design System - VaultBot Archive
 * Color Tokens:
 * Dark Mode (Default): Background #09090B, Surface #111827, Text #F8FAFC
 * Light Mode: Background #F8FAFC, Surface #FFFFFF, Text #0F172A
 */

:root {
    --bg-main: #09090B;
    --surface-card: #111827;
    --surface-hover: #1F2937;
    --border-color: #27272A;
    --primary-purple: #7C3AED;
    --primary-hover: #8B5CF6;
    --secondary-blue: #3B82F6;
    --accent-cyan: #22D3EE;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
}

/* LIGHT THEME TOKENS */
body.light-theme {
    --bg-main: #F8FAFC;
    --surface-card: #FFFFFF;
    --surface-hover: #F1F5F9;
    --border-color: #E2E8F0;
    --primary-purple: #7C3AED;
    --primary-hover: #6D28D9;
    --secondary-blue: #2563EB;
    --accent-cyan: #0891B2;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --color-success: #16A34A;
    --color-warning: #D97706;
    --color-error: #DC2626;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* NAVBAR SYSTEM */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s ease, border-color 0.3s ease;
}

body.light-theme .navbar {
    background: rgba(248, 250, 252, 0.9);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 800;
    font-size: 20px;
    color: var(--text-primary);
}

/* LOGO BADGE WITH SMOOTH BORDER RADIUS */
.logo-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
    border: 1.5px solid rgba(124, 58, 237, 0.6);
    background-color: var(--surface-card);
}

.logo-badge img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-hover));
    color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(124, 58, 237, 0.6);
}

.btn-secondary {
    background: var(--surface-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--primary-purple);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

/* FORMS */
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

/* HERO PARALLAX */
.hero-section {
    padding-top: 160px;
    padding-bottom: 100px;
    background: radial-gradient(circle at 50% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 60%);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 30px;
    color: var(--accent-cyan);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 54px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 36px auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-mockup {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--surface-card);
    overflow: hidden;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.4), 0 0 40px rgba(124, 58, 237, 0.2);
}

.hero-mockup img {
    width: 100%;
    display: block;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-toggle { display: block; }
    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 15px; }
}