/* =========================================
   LANDING PAGE: DARK "PRO" THEME
   High-End, Rich Color, No "White Space"
   ========================================= */

body.landing-body {
    background-color: #000000;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(76, 29, 149, 0.4), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.15), transparent 25%);
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    overflow-x: hidden;
    margin: 0;
}

/* --- NAVIGATION (Dark Glass) --- */
.landing-nav {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 70px;
    background: rgba(20, 20, 25, 0.8); /* Dark Glass */
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    display: flex; justify-content: center;
}

.nav-container {
    width: 100%; max-width: 1200px; padding: 0 24px;
    display: flex; justify-content: space-between; align-items: center;
}

.nav-logo {
    font-size: 1.4rem; font-weight: 700; color: #fff; text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-cta {
    background: #2563eb; color: white;
    padding: 10px 24px; border-radius: 99px;
    text-decoration: none; font-size: 0.9rem; font-weight: 600;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.5); /* Glowing Button */
    transition: transform 0.2s;
}
.nav-cta:hover { transform: scale(1.05); background: #3b82f6; }

/* --- HERO SECTION (The Big Entrance) --- */
.hero-section {
    padding: 200px 24px 120px;
    text-align: center;
    position: relative;
}

/* The Background Glow Orb */
.hero-section::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to bottom, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: 1.5rem; color: #94a3b8;
    max-width: 600px; margin: 0 auto 50px;
    font-weight: 400; line-height: 1.6;
}

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

.btn-hero-primary {
    background: #fff; color: #000;
    padding: 18px 40px; border-radius: 99px;
    font-size: 1.1rem; font-weight: 700; text-decoration: none;
    transition: transform 0.2s;
}
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(255,255,255,0.2); }

.btn-hero-secondary {
    background: rgba(255,255,255,0.1); color: #fff;
    padding: 18px 40px; border-radius: 99px;
    font-size: 1.1rem; font-weight: 600; text-decoration: none;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: background 0.2s;
}
.btn-hero-secondary:hover { background: rgba(255,255,255,0.2); }

/* --- BENTO GRID (Dark Glass Cards) --- */
.features-section { max-width: 1200px; margin: 0 auto; padding: 80px 24px; }

.section-label {
    text-align: center; font-size: 0.9rem; font-weight: 700;
    color: #3b82f6; text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 40px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(30, 30, 35, 0.6); /* Dark Translucent */
    border-radius: 32px; padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative; overflow: hidden;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(40, 40, 45, 0.8);
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 20px 50px -10px rgba(0,0,0,0.5);
}

/* Card Glow Effect */
.feature-card::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.feature-icon {
    font-size: 2.5rem; margin-bottom: 20px;
    display: inline-block;
}

.feature-card h3 { font-size: 1.8rem; margin-bottom: 12px; font-weight: 700; color: #fff; }
.feature-card p { font-size: 1.1rem; color: #94a3b8; line-height: 1.6; }

/* Large Card */
.feature-card.large {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #1e1e24 0%, #111114 100%);
    text-align: center; padding: 80px 24px;
}
.feature-card.large h3 {
    font-size: 3rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* --- FOOTER --- */
.landing-footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 60px 24px; text-align: center; color: #64748b;
}