/* Habitform marketing site — shared styles.
   Palette matches the app's own theme (src/theme/colors.ts's "Strava-inspired
   app chrome": deep forest green + citrus accent on a warm off-white), so the
   site and the product feel like the same thing. */

:root {
  --bg: #f6f5f0;
  --bg-alt: #ffffff;
  --card: #ffffff;
  --border: #e4e1d6;
  --ink: #16231a;
  --ink-soft: #5b6b5f;
  --ink-faint: #93a196;
  --primary: #1e5b32;
  --primary-dark: #123a20;
  --primary-soft: #dff0e3;
  --accent: #f58220;
  --accent-soft: #fde7d2;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary);
}

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

/* ---- Header ---- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

.brand span {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 10px;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background: var(--primary-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--ink);
  padding: 6px;
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    padding: 10px 0;
    width: 100%;
  }
  .nav-cta {
    margin-top: 6px;
  }
  .nav-toggle {
    display: block;
  }
}

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding: 40px 0;
  color: var(--ink-faint);
  font-size: 13.5px;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--primary);
}

/* ---- Hero ---- */

.hero {
  padding: 76px 0 64px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 30px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--bg-alt);
  color: var(--ink);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hero-art {
  background: linear-gradient(160deg, var(--primary-soft), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-art img {
  width: 160px;
  height: 160px;
}

/* ---- Sections ---- */

section {
  padding: 56px 0;
}

.section-head {
  max-width: 62ch;
  margin: 0 0 36px;
}

.section-head .eyebrow {
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}

.section-sub {
  color: var(--ink-soft);
  font-size: 16px;
  margin: 0;
}

/* ---- Feature grid ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 860px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
}

.card .icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 16.5px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
}

/* ---- Integrations strip ---- */

.integrations {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 32px;
}

.integration-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 16px;
  font-weight: 700;
  font-size: 14px;
}

/* ---- Use-case / examples ---- */

.usecase {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.usecase:last-child {
  border-bottom: none;
}

@media (max-width: 720px) {
  .usecase {
    grid-template-columns: 1fr;
  }
}

.usecase .who {
  font-weight: 800;
  font-size: 15px;
  color: var(--primary);
}

.usecase h3 {
  margin: 4px 0 10px;
  font-size: 20px;
}

.usecase p {
  color: var(--ink-soft);
  margin: 0 0 10px;
}

.usecase ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14.5px;
}

.usecase li {
  margin-bottom: 6px;
}

/* ---- CTA band ---- */

.cta-band {
  background: var(--primary);
  border-radius: 28px;
  padding: 56px 40px;
  text-align: center;
  color: #fff;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  color: var(--primary-soft);
  max-width: 50ch;
  margin: 0 auto 28px;
}

.cta-band .btn-secondary {
  background: #fff;
}

/* ---- Legal pages ---- */

.legal {
  padding: 56px 0 80px;
}

.legal .wrap {
  max-width: 760px;
}

.legal h1 {
  font-size: 32px;
  margin-bottom: 6px;
}

.legal .updated {
  color: var(--ink-faint);
  font-size: 13.5px;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 20px;
  margin-top: 40px;
  scroll-margin-top: 90px;
}

.legal h3 {
  font-size: 16px;
  margin-top: 26px;
}

.legal p,
.legal li {
  color: var(--ink-soft);
  font-size: 15px;
}

.legal ul,
.legal ol {
  padding-left: 20px;
}

.legal .callout {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 20px 0;
}

.legal .callout p {
  margin: 0;
  color: var(--ink);
}

.toc {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 32px;
}

.toc p {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--ink);
  font-size: 13.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.toc ol {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
}

.toc a {
  color: var(--ink-soft);
  text-decoration: none;
}

.toc a:hover {
  color: var(--primary);
}