:root {
  --primary: #1F7A6C;
  --primary-dark: #155B50;
  --primary-light: #3FA393;
  --primary-soft: #DDF1EC;
  --sun: #FFC23D;
  --sun-dark: #E0A11B;
  --sun-soft: #FFF5D6;
  --grape: #8B6CEF;
  --grape-soft: #EEE9FD;
  --sky-soft: #E3F2FD;
  --ink: #1D2B29;
  --muted: #5C6B68;
  --line: #E3EAE8;
  --bg: #FFFFFF;
  --bg-alt: #F6FAF9;
  --card: #FFFFFF;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary-soft: #183B35;
    --sun-soft: #3A3018;
    --grape-soft: #2B2445;
    --sky-soft: #1B2D3D;
    --ink: #EAF2F0;
    --muted: #A3B3AF;
    --line: #2A3A37;
    --bg: #111A18;
    --bg-alt: #16211F;
    --card: #1A2725;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }
@media (prefers-color-scheme: dark) { a { color: var(--primary-light); } }

img, svg { max-width: 100%; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* Header */
.site-header { border-bottom: 2px solid var(--line); background: var(--bg); }
.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); font-weight: 900; font-size: 22px; letter-spacing: -0.3px; }
.brand-mark { width: 36px; height: 36px; flex: none; }
.nav { display: flex; gap: 20px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 800; font-size: 15px; }
.nav a:hover { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 16px;
  font-weight: 900;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  background: var(--primary);
  color: #fff !important;
  box-shadow: 0 5px 0 var(--primary-dark);
  transition: transform 0.08s, box-shadow 0.08s;
}
.btn:hover { filter: brightness(1.05); }
.btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--primary-dark); }
.btn-ghost {
  background: var(--card);
  color: var(--primary) !important;
  border: 2px solid var(--line);
  box-shadow: 0 4px 0 var(--line);
}

/* Hero */
.hero { padding: 72px 0 64px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; background: var(--primary-soft); color: var(--primary); font-weight: 900; font-size: 13px; letter-spacing: 0.8px; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; }
@media (prefers-color-scheme: dark) { .eyebrow { color: var(--primary-light); } }
.hero h1 { font-size: clamp(36px, 5.5vw, 56px); line-height: 1.08; font-weight: 900; letter-spacing: -1px; margin: 18px 0 16px; }
.hero h1 span { color: var(--primary); }
@media (prefers-color-scheme: dark) { .hero h1 span { color: var(--primary-light); } }
.hero p.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.store-note { color: var(--muted); font-size: 14px; font-weight: 700; margin-top: 18px; }

/* Phone mock */
.phone {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 32px;
  box-shadow: 0 8px 0 var(--line);
  padding: 22px 18px;
  max-width: 340px;
  margin: 0 auto;
}
.chat-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 2px solid var(--line); margin-bottom: 14px; }
.chat-head .avatar { width: 40px; height: 40px; }
.chat-head strong { display: block; font-weight: 900; }
.chat-head small { color: var(--muted); font-weight: 700; font-size: 12px; }
.bubble { padding: 10px 14px; border-radius: 18px; margin: 8px 0; font-size: 15px; line-height: 1.45; max-width: 88%; }
.bubble.coach { background: var(--bg-alt); border: 2px solid var(--line); border-bottom-left-radius: 6px; }
.bubble.me { background: var(--primary); color: #fff; margin-left: auto; border-bottom-right-radius: 6px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.chip { border: 2px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: 13px; font-weight: 800; color: var(--primary); background: var(--card); }
@media (prefers-color-scheme: dark) { .chip { color: var(--primary-light); } }
.ai-note { font-size: 11px; color: var(--muted); margin-top: 14px; text-align: center; }

/* Sections */
section { padding: 64px 0; }
.alt { background: var(--bg-alt); border-top: 2px solid var(--line); border-bottom: 2px solid var(--line); }
h2 { font-size: clamp(28px, 4vw, 38px); font-weight: 900; letter-spacing: -0.5px; line-height: 1.15; margin: 0 0 12px; }
.section-lead { color: var(--muted); font-size: 18px; margin: 0 0 36px; max-width: 40em; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 5px 0 var(--line);
  padding: 24px;
}
.card h3 { margin: 14px 0 6px; font-size: 20px; font-weight: 900; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.tile { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; font-size: 28px; }
.t-green { background: var(--primary-soft); }
.t-sun { background: var(--sun-soft); }
.t-grape { background: var(--grape-soft); }
.t-sky { background: var(--sky-soft); }

.habits { display: flex; flex-wrap: wrap; gap: 10px; }
.habit { background: var(--card); border: 2px solid var(--line); box-shadow: 0 3px 0 var(--line); border-radius: 14px; padding: 9px 14px; font-weight: 800; font-size: 15px; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { position: relative; padding-top: 8px; }
.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--sun); color: #3A2A00; font-weight: 900; font-size: 20px;
  box-shadow: 0 4px 0 var(--sun-dark);
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 20px; font-weight: 900; }
.step p { margin: 0; color: var(--muted); }

.notice { border: 2px solid var(--line); border-radius: 22px; padding: 24px; background: var(--card); }
.notice p { margin: 0 0 10px; color: var(--muted); font-size: 15px; }
.notice p:last-child { margin: 0; }
.notice strong { color: var(--ink); }

.cta { text-align: center; }
.cta p { color: var(--muted); font-size: 18px; margin: 0 0 26px; }

/* Footer */
.site-footer { border-top: 2px solid var(--line); padding: 36px 0 44px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: flex-start; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--muted); font-weight: 800; text-decoration: none; }
.site-footer a:hover { color: var(--ink); }
.site-footer p { margin: 0 0 4px; }

/* Legal pages */
.legal { padding: 48px 0 72px; }
.legal h1 { font-size: clamp(32px, 5vw, 44px); font-weight: 900; letter-spacing: -0.8px; margin: 0 0 6px; }
.legal .meta { color: var(--muted); font-weight: 700; margin: 0 0 28px; }
.legal h2 { font-size: 24px; margin: 40px 0 10px; scroll-margin-top: 20px; }
.legal h3 { font-size: 18px; font-weight: 900; margin: 22px 0 6px; }
.legal p, .legal li { color: var(--ink); }
.legal ul { padding-left: 22px; }
.legal li { margin: 6px 0; }
.legal .callout { background: var(--primary-soft); border-radius: 18px; padding: 18px 20px; margin: 20px 0; }
.legal .callout p { margin: 0; }
.legal .caps { font-size: 15px; }
.toc { background: var(--bg-alt); border: 2px solid var(--line); border-radius: 18px; padding: 18px 22px; margin: 0 0 12px; }
.toc strong { display: block; margin-bottom: 6px; }
.toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 32px; font-size: 15px; }
.toc li { margin: 3px 0; break-inside: avoid; }

@media (max-width: 860px) {
  .hero { padding: 44px 0 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .nav { gap: 14px; }
  .nav a.hide-sm { display: none; }
  section { padding: 48px 0; }
  .grid, .steps { grid-template-columns: 1fr; }
  .toc ol { columns: 1; }
  .btn { width: 100%; text-align: center; }
}