/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #6366F1;
  --primary-dark: #4F46E5;
  --primary-light: #A5B4FC;
  --bg: #0F0F1A;
  --bg-card: #1A1A2E;
  --bg-card-hover: #1E1E32;
  --text: #E2E8F0;
  --text-muted: #94A3B8;
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --container: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ─── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: var(--radius-sm); font-weight: 600;
  font-size: 0.9rem; transition: all 0.2s; gap: 6px; white-space: nowrap;
}
.btn-primary {
  background: var(--primary); color: white;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-outline { border: 1.5px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn-danger { background: #EF4444; color: white; }
.btn-danger:hover { background: #DC2626; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-ghost { background: rgba(99,102,241,0.1); color: var(--primary); border: 1px solid rgba(99,102,241,0.3); }
.btn-ghost:hover { background: rgba(99,102,241,0.2); }

/* ─── Header ─────────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15,15,26,0.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.logo span { color: var(--text); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.main-nav a:hover { color: var(--text); }
.nav-btn-primary {
  background: var(--primary); color: white !important;
  padding: 8px 18px; border-radius: var(--radius-sm); font-weight: 600;
}
.nav-btn-primary:hover { background: var(--primary-dark) !important; color: white !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }
.mobile-menu {
  display: none; flex-direction: column; gap: 0;
  background: var(--bg-card); border-top: 1px solid var(--border);
}
.mobile-menu a {
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  color: var(--text-muted); font-weight: 500;
}
.mobile-menu a:hover { color: var(--text); }

/* ─── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  padding: 140px 0 80px;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 60px;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3);
  color: #22C55E; padding: 6px 14px; border-radius: 99px; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15;
  margin-bottom: 20px; letter-spacing: -0.02em;
}
.hero-desc { color: var(--text-muted); font-size: 1.1rem; max-width: 520px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; align-items: center; gap: 28px; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.78rem; color: var(--text-muted); }
.stat-div { width: 1px; height: 36px; background: var(--border); }

/* Phone mockup */
.phone-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 12px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}
.phone-screen {
  background: #0A0A14;
  border-radius: 18px;
  padding: 16px;
  min-height: 400px;
}
.phone-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.phone-avatar { width: 40px; height: 40px; border-radius: 50%; overflow: hidden; }
.phone-name { font-weight: 600; font-size: 0.9rem; }
.phone-status { display: flex; align-items: center; gap: 5px; font-size: 0.75rem; color: #22C55E; }
.status-dot { width: 6px; height: 6px; background: #22C55E; border-radius: 50%; }
.phone-chat { display: flex; flex-direction: column; gap: 10px; }
.chat-bubble {
  max-width: 75%; padding: 10px 14px; border-radius: 12px; font-size: 0.82rem; line-height: 1.5;
}
.chat-bubble.bot { background: var(--bg-card); align-self: flex-start; border-bottom-left-radius: 4px; }
.chat-bubble.user { background: var(--primary); color: white; align-self: flex-end; border-bottom-right-radius: 4px; }

/* ─── Sections ───────────────────────────────────────────────────────────────── */
.section-label {
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.75rem; font-weight: 700;
  color: var(--primary); margin-bottom: 12px;
}
section h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 48px;
  letter-spacing: -0.02em;
}

/* Features */
.features { padding: 80px 0; }
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px;
}
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all 0.2s;
}
.feature-card:hover { background: var(--bg-card-hover); border-color: rgba(99,102,241,0.3); transform: translateY(-2px); }
.feature-icon {
  width: 48px; height: 48px; background: rgba(99,102,241,0.15); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; color: var(--primary); margin-bottom: 16px;
}
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.85rem; color: var(--text-muted); }

/* How it works */
.how-it-works { padding: 80px 0; background: var(--bg-card); }
.steps { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.step {
  flex: 1; min-width: 200px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px;
}
.step-num { font-size: 2.2rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; letter-spacing: -0.03em; }
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 0.85rem; color: var(--text-muted); }
.step-arrow { color: var(--primary); flex-shrink: 0; }

/* Pricing */
.pricing { padding: 80px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.pricing-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; position: relative;
}
.pricing-card.popular { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.popular-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: white; padding: 4px 16px; border-radius: 99px;
  font-size: 0.75rem; font-weight: 700;
}
.plan-name { font-weight: 700; font-size: 1.1rem; margin-bottom: 12px; }
.plan-price { font-size: 2.2rem; font-weight: 800; margin-bottom: 20px; }
.plan-price span { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.plan-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.plan-features li { font-size: 0.88rem; color: var(--text-muted); }
.plan-features li:not(.dim) { color: var(--text); }
.plan-features .dim { opacity: 0.4; }

/* Download CTA */
.download-cta { padding: 80px 0; background: linear-gradient(135deg, #1A1A2E 0%, #0F0F1A 100%); }
.cta-content { text-align: center; }
.cta-content h2 { margin-bottom: 12px; }
.cta-content p { color: var(--text-muted); margin-bottom: 32px; }
.app-badges { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.app-badge {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 24px; font-weight: 600; font-size: 0.9rem; transition: all 0.2s;
}
.app-badge:hover { border-color: var(--primary); transform: translateY(-1px); }

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
.site-footer { background: #0A0A14; border-top: 1px solid var(--border); padding-top: 60px; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; max-width: 260px; }
.footer-links { display: contents; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.88rem; margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px 0;
}
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom span { font-size: 0.8rem; color: var(--text-muted); }
.footer-status { display: flex; align-items: center; gap: 6px; }
.footer-status .status-dot { width: 6px; height: 6px; border-radius: 50%; }
.status-dot.online { background: #22C55E; }

/* ─── Auth Pages ─────────────────────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 100px 24px 40px;
}
.auth-card {
  width: 100%; max-width: 420px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px;
}
.auth-title { font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; }
.auth-subtitle { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 32px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); }
.form-input {
  width: 100%; padding: 12px 16px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-family: inherit; font-size: 0.9rem;
  transition: border-color 0.2s;
}
.form-input:focus { outline: none; border-color: var(--primary); }
.form-error {
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
  color: #FCA5A5; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.85rem;
  margin-bottom: 16px; display: none;
}
.form-error.show { display: block; }
.form-success {
  background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3);
  color: #86EFAC; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.85rem;
  margin-bottom: 16px; display: none;
}
.form-success.show { display: block; }

.auth-switch { text-align: center; font-size: 0.88rem; color: var(--text-muted); margin-top: 20px; }
.auth-switch a { color: var(--primary); font-weight: 600; }

/* ─── Dashboard ─────────────────────────────────────────────────────────────── */
.dashboard-page { padding-top: 80px; min-height: 100vh; }
.dashboard-header {
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  padding: 24px 0; margin-bottom: 32px;
}
.dashboard-header .container { display: flex; justify-content: space-between; align-items: center; }
.dashboard-title-group h1 { font-size: 1.4rem; font-weight: 700; }
.dashboard-title-group p { color: var(--text-muted); font-size: 0.85rem; }

.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 32px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.stat-card h3 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; margin-bottom: 10px; }
.stat-card .value { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.stat-card .sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.dashboard-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; margin-bottom: 24px;
}
.dashboard-card h2 {
  font-size: 1rem; font-weight: 700; margin-bottom: 20px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.info-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 16px; }
.info-row:last-child { border-bottom: none; }
.info-label { font-size: 0.85rem; color: var(--text-muted); flex-shrink: 0; }
.info-value { font-size: 0.9rem; font-weight: 500; text-align: right; word-break: break-all; }
.info-value.mono { font-family: 'Courier New', monospace; font-size: 0.8rem; color: var(--primary-light); }

.ws-url-box {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; font-family: 'Courier New', monospace; font-size: 0.78rem;
  color: var(--primary-light); word-break: break-all; margin-bottom: 10px;
  max-height: 80px; overflow-y: auto;
}

.sessions-table { width: 100%; border-collapse: collapse; }
.sessions-table th { text-align: left; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); padding: 8px 12px; border-bottom: 1px solid var(--border); }
.sessions-table td { padding: 10px 12px; font-size: 0.85rem; border-bottom: 1px solid rgba(255,255,255,0.04); }
.sessions-table tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 0.7rem; font-weight: 600; }
.badge-active { background: rgba(34,197,94,0.15); color: #22C55E; }
.badge-inactive { background: rgba(148,163,184,0.1); color: var(--text-muted); }

.api-key-display {
  display: flex; gap: 8px; align-items: center; margin-bottom: 16px;
}
.api-key-value {
  flex: 1; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 14px; font-family: 'Courier New', monospace; font-size: 0.82rem;
  color: var(--primary-light); word-break: break-all; min-height: 44px;
}

/* ─── Matrix Bind ───────────────────────────────────────────────────────────── */
.matrix-bind-card { margin-top: 16px; }
.matrix-input-row { display: flex; gap: 10px; margin-bottom: 12px; }
.matrix-input-row .form-input { flex: 1; }

/* ─── Alerts ─────────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.85rem; margin-bottom: 16px;
}
.alert-info { background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.3); color: var(--primary-light); }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #FCA5A5; }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86EFAC; }

/* ─── Download Page ─────────────────────────────────────────────────────────── */
.download-page { padding-top: 100px; min-height: 100vh; }
.download-hero { text-align: center; padding: 60px 24px; }
.download-hero h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
.download-hero p { color: var(--text-muted); margin-bottom: 40px; }
.download-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 800px; margin: 0 auto; }
.download-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; text-align: center;
}
.download-card-icon { font-size: 3rem; margin-bottom: 16px; }
.download-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.download-card p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 24px; }
.mock-badge { display: inline-block; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 16px; color: var(--text-muted); font-size: 0.8rem; margin-bottom: 24px; }

/* ─── API Docs ───────────────────────────────────────────────────────────────── */
.api-docs { padding-top: 100px; min-height: 100vh; }
.api-docs .container { max-width: 860px; }
.api-section { margin-bottom: 40px; }
.api-section h2 { font-size: 1.2rem; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.api-endpoint { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; }
.api-endpoint-header { display: flex; align-items: center; gap: 12px; padding: 14px 18px; cursor: pointer; }
.api-endpoint-header:hover { background: var(--bg-card-hover); }
.method { font-weight: 700; font-size: 0.75rem; padding: 3px 8px; border-radius: 4px; }
.method-post { background: rgba(34,197,94,0.15); color: #22C55E; }
.method-get { background: rgba(59,130,246,0.15); color: #60A5FA; }
.method-put { background: rgba(234,179,8,0.15); color: #FBBF24; }
.method-delete { background: rgba(239,68,68,0.15); color: #F87171; }
.endpoint-path { font-family: 'Courier New', monospace; font-size: 0.85rem; }
.api-endpoint-body { padding: 16px 18px; border-top: 1px solid var(--border); background: var(--bg); font-size: 0.82rem; color: var(--text-muted); }
.api-endpoint-body code { color: var(--primary-light); font-family: 'Courier New', monospace; }
.api-endpoint-body pre { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; margin-top: 8px; overflow-x: auto; white-space: pre; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 110px; }
  .hero-visual { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .download-cards { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu.open { display: flex; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}