/* URBot.net — Benchmark Expert Bot Styles */
:root {
    --bot-accent: #00d4ff;
    --bot-accent-dim: rgba(0, 212, 255, 0.15);
    --bot-accent-glow: rgba(0, 212, 255, 0.25);
    --dark-bg: #0a0e1a;
    --darker-bg: #050812;
    --card-bg: #151a2e;
    --card-bg-hover: #1a2038;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --text-muted: #6b6b8a;
    --error-color: #ff4444;
    --success-color: #00ff88;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--darker-bg); color: var(--text-primary); line-height: 1.6;
    min-height: 100vh; overflow-x: hidden;
}

/* ===== HERO ===== */
.hero { text-align: center; padding: 4rem 1.5rem 2.5rem; }
.hero-content { max-width: 720px; margin: 0 auto; }
.bot-avatar { font-size: 4rem; margin-bottom: 1rem; }
h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 0.5rem; }
.tagline {
    font-size: 1.4rem; color: var(--text-secondary); margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--bot-accent), #ffffff);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
    display: inline-block; padding: 0.8rem 2rem; border-radius: 8px; font-weight: 700;
    text-decoration: none; font-size: 1rem; transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary { background: var(--bot-accent); color: var(--darker-bg); }
.btn-secondary { background: transparent; border: 2px solid var(--bot-accent); color: var(--bot-accent); }
.btn-outline { background: transparent; border: 2px solid var(--border-accent); color: var(--text-secondary); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--bot-accent-glow); }

/* ===== FEATURES ===== */
.features, .sample-chat, .pricing { max-width: 960px; margin: 0 auto; padding: 3rem 1.5rem; }
.features h2, .sample-chat h2, .pricing h2 {
    font-size: 1.75rem; text-align: center; margin-bottom: 2rem; color: var(--text-primary);
}
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.feature-card {
    background: var(--card-bg); border: 1px solid var(--border-subtle); border-radius: 10px;
    padding: 1.25rem; font-size: 0.95rem; color: var(--text-secondary); transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--bot-accent); }

/* ===== CHAT ===== */
.chat-window {
    max-width: 700px; margin: 0 auto; background: var(--card-bg); border-radius: 12px;
    border: 1px solid var(--border-subtle); padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem;
}
.chat-msg { padding: 0.75rem 1rem; border-radius: 8px; font-size: 0.9rem; line-height: 1.6; }
.chat-user { background: var(--bot-accent); color: var(--darker-bg); align-self: flex-end; max-width: 85%; border-bottom-right-radius: 4px; }
.chat-bot { background: rgba(255,255,255,0.05); color: var(--text-secondary); align-self: flex-start; max-width: 85%; border-bottom-left-radius: 4px; }

/* ===== PRICING ===== */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; align-items: start; }
.tier-card {
    background: var(--card-bg); border: 1px solid var(--border-subtle); border-radius: 12px;
    padding: 1.75rem 1.25rem; display: flex; flex-direction: column; position: relative;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.tier-card:hover { border-color: var(--border-accent); }
.tier-card.popular { border-color: var(--bot-accent); box-shadow: 0 0 20px var(--bot-accent-dim); }
.badge {
    position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
    background: var(--bot-accent); color: var(--darker-bg); font-size: 0.7rem; font-weight: 700;
    padding: 0.2rem 0.8rem; border-radius: 999px; text-transform: uppercase;
}
.tier-card h3 { font-size: 1.1rem; color: var(--text-secondary); text-align: center; margin-bottom: 0.25rem; }
.price { font-size: 2.5rem; font-weight: 800; color: var(--bot-accent); text-align: center; line-height: 1.1; margin-bottom: 1rem; }
.tier-card ul { list-style: none; flex: 1; margin-bottom: 1.25rem; }
.tier-card li {
    padding: 0.35rem 0; font-size: 0.85rem; color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle); display: flex; align-items: flex-start; gap: 0.5rem;
}
.tier-card li:last-child { border-bottom: none; }
.tier-card li::before { content: '\2713'; color: var(--bot-accent); font-weight: 700; flex-shrink: 0; }

/* ===== FOOTER ===== */
footer { text-align: center; padding: 2rem 1.5rem; border-top: 1px solid var(--border-subtle); margin-top: 1rem; }
footer p { color: var(--text-muted); font-size: 0.85rem; }
footer a { color: var(--bot-accent); text-decoration: none; }
.disclaimer { font-size: 0.75rem; color: var(--text-muted); max-width: 600px; margin: 0.5rem auto 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    .tagline { font-size: 1.1rem; }
    .tier-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .tier-card.popular { order: -1; }
    .hero-actions { flex-direction: column; align-items: center; }
}