:root {
  --teal: #2F8F83;
  --teal-dark: #1F5F6B;
  --teal-soft: #E3F1EE;
  --amber: #F4B860;
  --ink: #17313A;
  --ink-2: #4A5F66;
  --line: #DCE6E3;
  --bg: #FBFAF7;
  --card: #FFFFFF;
  --tint: #F2F6F4;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(23, 49, 58, .06), 0 12px 32px rgba(23, 49, 58, .08);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal-dark); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; font-family: var(--sans); font-weight: 600; letter-spacing: 0; }
p { margin: 0 0 1em; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.sub { color: var(--ink-2); max-width: 620px; margin: 0 auto 2.5rem; }
.muted { color: var(--ink-2); }
.small { font-size: .9rem; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: .8rem 1.3rem;
  border-radius: 999px;
  border: 2px solid var(--teal);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--teal-dark); border-color: var(--teal-dark); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--amber); outline-offset: 2px;
}
.btn-small { padding: .45rem 1rem; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--teal-dark); }
.btn-ghost:hover { background: var(--teal-soft); color: var(--teal-dark); }
.btn-light { background: #fff; color: var(--teal-dark); border-color: #fff; }
.btn-light:hover { background: var(--amber); border-color: var(--amber); color: var(--ink); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(251, 250, 247, .9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); }
.brand-name { font-family: var(--serif); font-weight: 600; font-size: 1.3rem; }
.brand-name span { color: var(--teal); }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a:not(.btn) { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav a:not(.btn):hover { color: var(--teal-dark); }

/* Hero */
.hero { padding: 72px 0 88px; background: radial-gradient(1200px 500px at 85% 0%, var(--teal-soft), transparent 70%); }
.hero-grid > *, .contact-grid > * { min-width: 0; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow { color: var(--teal); font-weight: 600; font-size: .9rem; letter-spacing: .02em; }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

/* Product preview */
.preview { background: var(--card); border-radius: 18px; box-shadow: var(--shadow); border: 1px solid var(--line); overflow: hidden; }
.preview-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--tint); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #CFDAD7; }
.preview-title { margin-left: 10px; font-size: .8rem; color: var(--ink-2); font-weight: 500; }
.preview-body { padding: 20px; display: grid; gap: 16px; }
.session-head { display: flex; align-items: center; gap: 12px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--amber); color: var(--ink); display: grid; place-items: center; font-weight: 600; }
.session-name { margin: 0; font-weight: 600; }
.session-time { margin: 0; font-size: .85rem; color: var(--ink-2); }
.pill { margin-left: auto; font-size: .75rem; font-weight: 600; padding: .25rem .65rem; border-radius: 999px; }
.pill-live { background: var(--teal-soft); color: var(--teal-dark); }
.goal { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.goal-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.goal-label { margin: 0; font-weight: 600; }
.trend { font-size: .8rem; font-weight: 600; }
.trend.up { color: var(--teal); }
.goal-target { font-size: .85rem; color: var(--ink-2); margin: 4px 0 12px; }
.trials { display: grid; grid-template-columns: repeat(10, 1fr); gap: 5px; margin-bottom: 10px; }
.t { height: 22px; border-radius: 5px; }
.t.on { background: var(--teal); }
.t.p { background: var(--amber); }
.t.off { background: #E6ECEA; }
.goal-result { margin: 0; font-size: .9rem; }
.ai-note { background: var(--tint); border-radius: 12px; padding: 14px 16px; font-size: .9rem; }
.ai-note p { margin: 0 0 .6em; }
.ai-label { font-size: .75rem !important; font-weight: 600; color: var(--teal-dark); text-transform: uppercase; letter-spacing: .05em; }
.spark { color: var(--amber); }
.ai-actions { display: flex; gap: 8px; }
.chip { font-size: .78rem; font-weight: 600; padding: .3rem .7rem; border-radius: 999px; border: 1px solid var(--line); background: #fff; }
.chip-primary { background: var(--teal); color: #fff; border-color: var(--teal); }

/* Sections */
.section { padding: 88px 0; }
.tinted { background: var(--tint); }
.about p { font-size: 1.08rem; color: var(--ink-2); }

.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: none; }
.flow li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; position: relative; }
.flow p { color: var(--ink-2); font-size: .93rem; margin: 0; }
.step { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--teal-soft); color: var(--teal-dark); font-weight: 600; margin-bottom: 12px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 2.5rem; }
.feature { background: var(--card); border-radius: var(--radius); padding: 26px; border: 1px solid var(--line); }
.feature p { color: var(--ink-2); margin: 0; font-size: .95rem; }
.icon { width: 44px; height: 44px; border-radius: 12px; background: var(--teal-soft); display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 14px; color: var(--teal-dark); }

.audiences { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.audience { background: var(--card); border: 1px solid var(--line); border-top: 4px solid var(--teal); border-radius: var(--radius); padding: 24px; }
.audience:nth-child(2) { border-top-color: var(--teal-dark); }
.audience:nth-child(3) { border-top-color: var(--amber); }
.audience p:last-child { margin: 0; font-family: var(--serif); font-size: 1.05rem; line-height: 1.5; }
.aud-tag { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); }

#privacy p { color: var(--ink-2); font-size: 1.05rem; }

.survey { background: linear-gradient(135deg, var(--teal), var(--teal-dark)); color: #fff; padding: 64px 0; }
.survey-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.survey p { margin: 0; opacity: .9; max-width: 600px; }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact-grid > div p { color: var(--ink-2); }
.form { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; box-shadow: var(--shadow); display: grid; gap: 16px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 500; font-size: .92rem; }
.optional { color: var(--ink-2); font-weight: 400; }
input, select, textarea {
  font: inherit; color: var(--ink);
  padding: .7rem .85rem;
  border: 1px solid #C9D6D2; border-radius: 10px;
  background: #fff; width: 100%;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px var(--teal-soft); }
.field.invalid input, .field.invalid select { border-color: #C0492F; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; color: var(--ink-2); }
.check input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--teal); }
.check.invalid span { color: #C0492F; }
.hp { position: absolute; left: -9999px; }
.form-status { margin: 0; font-size: .95rem; min-height: 1.5em; }
.form-status.ok { color: var(--teal-dark); font-weight: 500; }
.form-status.err { color: #C0492F; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; }
.footer-inner p { margin: 0; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .features, .audiences { grid-template-columns: 1fr 1fr; }
  .nav a:not(.btn) { display: none; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
  .flow, .features, .audiences, .row { grid-template-columns: 1fr; }
  .survey-inner { flex-direction: column; align-items: flex-start; }
  .footer-inner { grid-template-columns: 1fr; }
  .form { padding: 20px; }
  .brand-name { font-size: 1.1rem; }
}