:root {
    --bg-color: #0b0f19;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(11, 15, 25, 0.7);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn {
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary);
    color: white !important;
    border: 1px solid transparent;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-large {
    padding: 12px 24px;
    font-size: 1rem;
    border-radius: 12px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 24px 120px;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    filter: blur(60px);
}

.glow-1 {
    top: -200px;
    left: -100px;
}

.glow-2 {
    bottom: -200px;
    right: -100px;
    background: radial-gradient(circle, rgba(147,51,234,0.1) 0%, rgba(0,0,0,0) 70%);
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.text-gradient {
    background: linear-gradient(90deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Features */
.features {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    auto-rows: minmax(300px, auto);
}

.bento-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
}

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

.card-large {
    grid-column: span 2;
    grid-row: span 2;
}

.card-wide {
    grid-column: span 3;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.visual-inbox {
    margin-top: 32px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mockup-message {
    background: #1e293b;
    padding: 12px;
    border-radius: 12px 12px 12px 0;
    font-size: 0.85rem;
    width: 80%;
}

.mockup-message.admin {
    background: var(--primary);
    align-self: flex-end;
    border-radius: 12px 12px 0 12px;
}

/* Demo Section */
.demo-section {
    max-width: 1200px;
    margin: 80px auto;
    padding: 80px 24px;
    background: radial-gradient(ellipse at center, rgba(30,41,59,0.5) 0%, rgba(11,15,25,0) 70%);
    border-top: 1px solid var(--border-color);
}

.demo-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.demo-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.demo-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.check-list {
    list-style: none;
}

.check-list li {
    margin-bottom: 16px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.phone-mockup {
    width: 340px;
    height: 700px;
    background: #000;
    border: 12px solid #1e293b;
    border-radius: 40px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.phone-mockup iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    text-align: center;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .card-large, .card-wide {
        grid-column: span 1;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
    }
    
    .nav-links a:not(.btn) {
        display: none;
    }
}