/* ═══════════════════════════════════════════
   BotForge — Design System
   Dark theme · Linear/Stripe inspired
   ═══════════════════════════════════════════ */

/* ── FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── ROOT ── */
:root {
  --bg: #08080a;
  --bg2: #0d0d10;
  --bg3: #111114;
  --bg4: #18181c;
  --bg5: #1e1e23;
  --text: #f5f5f6;
  --text2: #a0a0a8;
  --text3: #6b6b73;
  --purple: #5c6cf0;
  --purple-h: #717eff;
  --purple-g: rgba(92,108,240,0.12);
  --purple-soft: rgba(92,108,240,0.08);
  --green: #22c55e;
  --green-g: rgba(34,197,94,0.1);
  --red: #ef4444;
  --red-g: rgba(239,68,68,0.1);
  --amber: #f59e0b;
  --b-subtle: rgba(255,255,255,0.06);
  --b-std: rgba(255,255,255,0.1);
  --b-strong: rgba(255,255,255,0.15);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-w: 1100px;
  --nav-h: 64px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--purple); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--purple-h); }
::selection { background: rgba(92,108,240,0.3); color: #fff; }

/* ── LAYOUT ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 140px 0; }
.bg-alt { background: var(--bg2); }
.bg-dark { background: var(--bg); }
.centered { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── TYPOGRAPHY ── */
.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--purple);
  margin-bottom: 16px;
  display: inline-block;
}
.section-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -1.2px;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text);
}
.section-subtitle {
  font-size: 18px;
  color: var(--text2);
  max-width: 560px;
  line-height: 1.65;
  font-weight: 400;
}
.centered .section-subtitle { margin-left: auto; margin-right: auto; }
.gradient-text {
  background: linear-gradient(135deg, var(--purple), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 48px;
  text-decoration: none;
}
.btn-primary {
  background: var(--purple);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,0.3), 0 0 0 1px rgba(92,108,240,0.3);
}
.btn-primary:hover {
  background: var(--purple-h);
  color: #fff;
  box-shadow: 0 4px 14px rgba(92,108,240,0.35), 0 0 0 1px rgba(113,126,255,0.4);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--b-std);
}
.btn-outline:hover {
  border-color: var(--b-strong);
  color: var(--text);
  background: rgba(255,255,255,0.03);
}
.btn-white {
  background: #fff;
  color: #08080a;
  font-weight: 600;
}
.btn-white:hover {
  background: #e8e8ed;
  color: #08080a;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255,255,255,0.2);
}
.btn-lg { padding: 16px 36px; font-size: 16px; min-height: 56px; }
.btn-sm { padding: 8px 18px; font-size: 13px; min-height: 40px; }
.btn-block { width: 100%; }

/* ── NAVIGATION ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,8,10,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--b-subtle);
  height: var(--nav-h);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.3px;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text2);
  transition: color var(--transition);
  padding: 4px 0;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--purple);
  border-radius: 1px;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 1px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── HERO ── */
.hero {
  padding: 80px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(92,108,240,0.15), transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--purple-g);
  color: var(--purple-h);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 28px;
  border: 1px solid rgba(92,108,240,0.15);
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--purple);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 {
  font-size: clamp(36px, 7vw, 68px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 24px;
  max-width: 850px;
  margin-left: auto;
  margin-right: auto;
}
.hero p {
  font-size: 18px;
  color: var(--text2);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
  font-weight: 400;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── STATS BAR ── */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: clamp(20px, 6vw, 64px);
  padding: 28px 24px;
  border-top: 1px solid var(--b-subtle);
  border-bottom: 1px solid var(--b-subtle);
  background: var(--bg2);
  flex-wrap: wrap;
}
.stat-item { text-align: center; min-width: 80px; }
.stat-num { font-size: 28px; font-weight: 700; color: var(--text); letter-spacing: -0.5px; }
.stat-label { font-size: 12px; color: var(--text3); margin-top: 4px; font-weight: 500; }

/* ── CARDS ── */
.card {
  background: var(--bg3);
  border: 1px solid var(--b-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: rgba(92,108,240,0.2);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.card-icon { font-size: 28px; margin-bottom: 16px; display: block; }
.card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.3px; }
.card p { font-size: 14px; color: var(--text2); line-height: 1.65; }

/* ── PRICING ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}
.plan {
  background: var(--bg3);
  border: 1px solid var(--b-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.plan.popular {
  border-color: rgba(92,108,240,0.3);
  box-shadow: 0 0 40px rgba(92,108,240,0.08);
}
.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.plan h3 { font-size: 20px; font-weight: 700; margin-bottom: 4px; letter-spacing: -0.3px; }
.plan .price { font-size: 48px; font-weight: 800; letter-spacing: -1.5px; margin: 16px 0; color: var(--text); }
.plan .price small { font-size: 16px; font-weight: 400; color: var(--text2); letter-spacing: 0; }
.plan ul { list-style: none; margin: 24px 0; }
.plan li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--b-subtle);
}
.plan li:last-child { border-bottom: none; }
.plan li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.plan .btn { width: 100%; margin-top: 8px; }

/* ── TABLE ── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 40px;
  border: 1px solid var(--b-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg3);
}
.table-wrap::-webkit-scrollbar { height: 4px; }
.table-wrap::-webkit-scrollbar-thumb { background: var(--b-std); border-radius: 2px; }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th {
  text-align: left;
  padding: 14px 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text3);
  border-bottom: 1px solid var(--b-subtle);
}
td { padding: 14px 20px; font-size: 14px; border-bottom: 1px solid var(--b-subtle); color: var(--text2); }
tr:last-child td { border-bottom: none; }
.check { color: var(--green); font-weight: 600; }
.cross { color: var(--text3); }
.highlight td { background: rgba(92,108,240,0.05); }

/* ── FAQ ── */
.faq { max-width: 680px; margin: 48px auto 0; }
.faq-item { border-bottom: 1px solid var(--b-subtle); padding: 24px 0; }
.faq-item:first-child { padding-top: 0; }
.faq-q { font-size: 16px; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.2px; }
.faq-a { font-size: 14px; color: var(--text2); line-height: 1.7; }

/* ── CTA SECTION ── */
.cta-section {
  text-align: center;
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg2), var(--bg));
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(92,108,240,0.1), transparent 70%);
  pointer-events: none;
}
.cta-section h2 { font-size: clamp(28px, 5vw, 44px); font-weight: 800; letter-spacing: -1.2px; margin-bottom: 16px; }
.cta-section p { font-size: 17px; color: var(--text2); margin-bottom: 32px; }
.cta-note { font-size: 13px; color: var(--text3); margin-top: 20px; }

/* ── CONTACT FORM ── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg3);
  border: 1px solid var(--b-std);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(92,108,240,0.1);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text3); }
.form-textarea { min-height: 140px; resize: vertical; }
.form-select { appearance: none; cursor: pointer; }

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--b-subtle);
  padding: 48px 24px;
  background: var(--bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-brand p { font-size: 14px; color: var(--text3); margin-top: 8px; line-height: 1.6; }
.footer-col h4 { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; color: var(--text); }
.footer-col a { display: block; font-size: 14px; color: var(--text3); margin-bottom: 8px; transition: color var(--transition); }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--b-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text3);
}

/* ── BLOG ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.blog-card {
  background: var(--bg3);
  border: 1px solid var(--b-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.blog-card:hover {
  border-color: rgba(92,108,240,0.2);
  transform: translateY(-2px);
}
.blog-card-image {
  height: 180px;
  background: var(--bg4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}
.blog-card-body { padding: 24px; }
.blog-card-date { font-size: 12px; color: var(--text3); margin-bottom: 8px; }
.blog-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.3px; }
.blog-card p { font-size: 14px; color: var(--text2); line-height: 1.6; margin-bottom: 16px; }
.blog-card .read-more { font-size: 14px; font-weight: 600; color: var(--purple); }

/* ── ANIMATIONS ── */
.fade-in { opacity: 0; transform: translateY(20px); animation: fadeUp 0.6s ease forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ── PAGE HEADER ── */
.page-header {
  padding: 100px 0 64px;
  text-align: center;
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(92,108,240,0.08), transparent 70%);
  pointer-events: none;
}
.page-header h1 { font-size: clamp(32px, 5vw, 56px); margin-bottom: 16px; }
.page-header p { font-size: 18px; color: var(--text2); max-width: 560px; margin: 0 auto; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --nav-h: 56px; }
  .section { padding: 64px 0; }
  .section-lg { padding: 80px 0; }
  .container { padding: 0 16px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 24px; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(8,8,10,0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--b-subtle);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 48px 0 64px; }
  .hero h1 { letter-spacing: -1px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .plan { padding: 24px; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-section { padding: 64px 0; }
  .page-header { padding: 64px 0 40px; }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}