:root {
  --green: #16a34a;
  --green-dark: #15803d;
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-2: #f1f5f9;
  --bg: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -8px rgba(15, 23, 42, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 750; }
h3 { font-size: 1.1rem; font-weight: 650; }
p { margin: 0 0 1em; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px; font: inherit; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: all .15s ease; white-space: nowrap;
}
.btn-lg { padding: 14px 24px; font-size: 16px; border-radius: 12px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 6px 16px -6px rgba(22, 163, 74, .6); }
.btn-primary:hover { background: var(--green-dark); }
.btn-outline { background: #fff; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover { color: var(--green); }
.btn-white { background: #fff; color: var(--green-dark); }
.btn-white:hover { background: var(--green-50); }
.btn-ghost-white { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost-white:hover { background: rgba(255, 255, 255, .1); }
.btn-danger { background: #fff; border-color: #fecaca; color: #dc2626; }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn:disabled { opacity: .6; cursor: default; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .85); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line-2); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.logo-mark { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 9px; background: var(--green); color: #fff; font-size: 13px; font-weight: 800; }
.nav-links { display: flex; gap: 28px; font-size: 15px; color: var(--ink-2); font-weight: 500; }
.nav-links a:hover { color: var(--green); }
.nav-cta { display: flex; gap: 8px; }

/* hero */
.hero { padding: 72px 0 56px; background: radial-gradient(1000px 420px at 85% -10%, var(--green-50), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: var(--green-50); border: 1px solid var(--green-200); color: var(--green-dark); font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px var(--green-100); }
.hl { color: var(--green); }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 560px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 22px; }
.hero-actions.center { justify-content: center; }
.hero-points { display: flex; flex-wrap: wrap; gap: 18px; padding: 0; margin: 0; list-style: none; color: var(--muted); font-size: 14px; }
.hero-points li { display: flex; align-items: center; gap: 6px; }
.hero-points svg { width: 18px; height: 18px; fill: none; stroke: var(--green); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

.browser { border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 30px 60px -20px rgba(15, 23, 42, .18); overflow: hidden; }
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line-2); background: #fafafa; }
.browser-bar > span { width: 10px; height: 10px; border-radius: 50%; background: #e2e8f0; }
.browser-url { margin-left: 12px; flex: 1; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 3px 10px; font-size: 12px; color: var(--muted); }
.browser-body { position: relative; padding: 24px; height: 400px; }
.skel { height: 12px; border-radius: 6px; background: var(--line-2); margin-bottom: 12px; }
.w60 { width: 60%; height: 18px; } .w90 { width: 90%; } .w75 { width: 75%; }
.skel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.skel-grid div { height: 80px; border-radius: 10px; background: var(--line-2); }
.mock-chat { position: absolute; right: 22px; bottom: 92px; width: 255px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 40px -12px rgba(15, 23, 42, .25); padding: 12px; font-size: 12.5px; display: flex; flex-direction: column; gap: 8px; }
.mock-head { display: flex; gap: 8px; align-items: center; padding-bottom: 8px; border-bottom: 1px solid var(--line-2); }
.mock-head small { display: block; color: var(--green); font-size: 11px; }
.mock-av { width: 26px; height: 26px; border-radius: 50%; background: var(--green); }
.mock-msg { padding: 7px 10px; border-radius: 10px; max-width: 88%; }
.mock-msg.bot { background: var(--line-2); align-self: flex-start; }
.mock-msg.user { background: var(--green); color: #fff; align-self: flex-end; }
.mock-input { border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; color: #94a3b8; }
.mock-bubble { position: absolute; right: 22px; bottom: 22px; width: 54px; height: 54px; border-radius: 50%; background: var(--green); display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 22px -6px rgba(22, 163, 74, .6); }
.mock-bubble svg { width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 2; }

/* stats */
.stats { border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); padding: 28px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--green); letter-spacing: -0.02em; }
.stats span { color: var(--muted); font-size: 14px; }

/* sections */
.section { padding: 96px 0; }
.section-tint { background: linear-gradient(180deg, #fafdfb, var(--green-50) 140%); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.eyebrow { display: inline-block; color: var(--green); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 12px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .2s, box-shadow .2s, transform .2s; }
.feature:hover { border-color: var(--green-200); box-shadow: var(--shadow); transform: translateY(-2px); }
.feature p { color: var(--muted); margin: 0; font-size: 15px; }
.f-icon { width: 44px; height: 44px; border-radius: 11px; background: var(--green-50); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.f-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--green); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: s; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; }
.step p { color: var(--muted); margin: 0; }
.step-num { display: inline-flex; width: 36px; height: 36px; border-radius: 50%; background: var(--green); color: #fff; font-weight: 700; align-items: center; justify-content: center; margin-bottom: 18px; }

.integrate-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.checklist { list-style: none; padding: 0; margin: 20px 0 28px; display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 30px; color: var(--ink-2); }
.checklist li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--green-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.5 2.5 5.5-6' fill='none' stroke='%2316a34a' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat; }
.code-card { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #fbfcfd; box-shadow: var(--shadow); }
.code-tabs { display: flex; gap: 4px; padding: 8px; border-bottom: 1px solid var(--line); background: #fff; }
.code-tabs button { border: 0; background: transparent; font: inherit; font-size: 13px; font-weight: 600; color: var(--muted); padding: 6px 12px; border-radius: 8px; cursor: pointer; }
.code-tabs button.active { background: var(--green-50); color: var(--green-dark); }
.code { margin: 0; padding: 22px; font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; font-size: 13px; line-height: 1.7; overflow-x: auto; color: var(--ink-2); }
.code .c { color: #94a3b8; } .code .t { color: #0e7490; } .code .s { color: var(--green-dark); } .code .k { color: #7c3aed; }

.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px; }
.plan ul { list-style: none; padding: 0; margin: 8px 0 28px; display: grid; gap: 10px; flex: 1; }
.plan li { padding-left: 26px; position: relative; font-size: 15px; color: var(--ink-2); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.plan-featured { border: 2px solid var(--green); box-shadow: 0 24px 50px -20px rgba(22, 163, 74, .35); }
.plan-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--green); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.price { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.03em; margin: 6px 0; }
.price span { font-size: 1rem; color: var(--muted); font-weight: 500; }

.faq { border: 1px solid var(--line); border-radius: 12px; padding: 0 20px; margin-bottom: 12px; background: #fff; }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--green); font-size: 22px; font-weight: 500; transition: transform .2s; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--muted); padding-bottom: 6px; }

.cta { padding: 0 0 96px; }
.cta-inner { background: linear-gradient(135deg, var(--green) 0%, #15803d 100%); color: #fff; border-radius: 24px; padding: 64px 32px; text-align: center; }
.cta-inner p { opacity: .9; font-size: 1.1rem; }

.footer { border-top: 1px solid var(--line-2); padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer nav { display: flex; gap: 24px; color: var(--muted); font-size: 14px; }
.footer nav a:hover { color: var(--green); }
.footer small { color: var(--muted); }

@media (max-width: 960px) {
  .hero-grid, .integrate-grid { grid-template-columns: 1fr; gap: 40px; }
  .features, .pricing, .steps { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero { padding: 48px 0 40px; }
  .section { padding: 64px 0; }
  .features, .pricing, .steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .nav-cta .btn-ghost { display: none; }
  .browser-body { height: 360px; padding: 16px; }
  .mock-chat { width: 220px; right: 14px; }
  .mock-bubble { right: 14px; }
  .footer-inner { flex-direction: column; text-align: center; }
}
.logo-tld { color: var(--green); font-weight: 700; margin-left: -10px; }
@media (max-width: 420px) { .logo { font-size: 17px; } .logo-tld { display: none; } }

/* legal pages */
.legal { padding-top: 56px; padding-bottom: 80px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin-bottom: 6px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.legal h2 { font-size: 1.25rem; margin: 36px 0 10px; }
.legal h3 { font-size: 1rem; margin: 22px 0 8px; }
.legal p, .legal li { color: var(--ink-2); }
.legal ul { padding-left: 20px; display: grid; gap: 6px; margin: 0 0 1em; }
.legal a { color: var(--green-dark); text-decoration: underline; text-underline-offset: 2px; }