/* Techroots Interiors — validation landing page */
:root {
  --bg: #faf7f2;
  --bg-warm: #f3ece1;
  --ink: #1f1b16;
  --ink-soft: #5c5346;
  --line: #e6ddce;
  --accent: #b5502f;      /* terracotta */
  --accent-ink: #8f3d22;
  --card: #ffffff;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(31,27,22,.05), 0 8px 24px rgba(31,27,22,.06);
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: ui-serif, Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--accent-ink); }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 16px; text-decoration: none; cursor: pointer;
  padding: 13px 22px; border-radius: 999px; border: 1px solid transparent;
  transition: transform .06s ease, background .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover { background: var(--accent-ink); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--bg-warm); }
.btn--block { width: 100%; }
.btn--sm { padding: 9px 16px; font-size: 14px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250,247,242,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand__mark { color: var(--accent); font-size: 22px; }
.brand__name { font-size: 18px; letter-spacing: -.01em; }
.brand__name em { font-style: italic; font-family: var(--serif); font-weight: 500; }
.nav__links { display: flex; align-items: center; gap: 24px; }
.nav__links a { color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav__links a:hover { color: var(--ink); }
.nav__links .btn { color: var(--ink); }

/* Hero */
.hero { padding: 84px 0 56px; background: linear-gradient(180deg, var(--bg-warm), var(--bg)); }
.hero__inner { max-width: 780px; }
.eyebrow {
  display: inline-block; background: #fff; border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--accent-ink); margin: 0 0 22px;
}
.hero__title {
  font-family: var(--serif); font-weight: 600; letter-spacing: -.02em;
  font-size: clamp(34px, 6vw, 58px); line-height: 1.05; margin: 0 0 20px;
}
.hero__sub { font-size: clamp(17px, 2.2vw, 20px); color: var(--ink-soft); margin: 0 0 28px; max-width: 640px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.hero__trust { font-size: 14px; color: var(--ink-soft); margin: 0; }

/* Value strip */
.value { padding: 8px 0 24px; margin-top: -28px; }
.value__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value__card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.value__icon { font-size: 26px; margin-bottom: 10px; }
.value__card h3 { margin: 0 0 6px; font-size: 19px; }
.value__card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* Sections */
.section__title { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; font-size: clamp(26px, 4vw, 38px); margin: 0 0 12px; }
.section__lead { font-size: 18px; color: var(--ink-soft); margin: 0 0 36px; max-width: 620px; }

/* How */
.how { padding: 72px 0; }
.how__steps { list-style: none; margin: 0 0 40px; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 40px; }
.how__steps li { display: flex; gap: 16px; }
.how__num {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; background: var(--accent); color: #fff; font-weight: 700;
}
.how__steps h4 { margin: 4px 0 4px; font-size: 18px; }
.how__steps p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* Mock preview */
.how__preview { margin-top: 20px; }
.mock { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.mock__bar { display: flex; gap: 7px; padding: 14px 16px; border-bottom: 1px solid var(--line); background: var(--bg-warm); }
.mock__bar span { width: 11px; height: 11px; border-radius: 50%; background: #d9cdb8; }
.mock__body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 22px; }
.mock__col { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.mock__pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--line); margin-bottom: 12px; }
.mock__pill--accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.mock__line { height: 9px; border-radius: 6px; background: #e9e0d0; margin: 8px 0; }
.mock__line.short { width: 55%; }
.how__caption { text-align: center; font-size: 13px; color: var(--ink-soft); margin-top: 12px; }

/* Pricing */
.pricing { padding: 72px 0; background: var(--bg-warm); }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.plan { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); }
.plan--featured { border-color: var(--accent); box-shadow: 0 10px 30px rgba(181,80,47,.15); }
.plan__badge { position: absolute; top: -12px; left: 24px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.plan__name { margin: 0 0 10px; font-size: 20px; }
.plan__price { margin: 0 0 4px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; }
.plan__was { text-decoration: line-through; color: var(--ink-soft); font-size: 16px; }
.plan__amt { font-size: 34px; font-weight: 800; letter-spacing: -.02em; }
.plan__per { font-size: 14px; color: var(--ink-soft); }
.plan__tag { font-size: 13px; color: var(--ink-soft); margin: 0 0 18px; min-height: 18px; }
.plan__features { list-style: none; margin: 0 0 22px; padding: 0; }
.plan__features li { position: relative; padding: 6px 0 6px 24px; font-size: 15px; color: var(--ink); border-top: 1px solid var(--line); }
.plan__features li:first-child { border-top: none; color: var(--ink-soft); font-weight: 600; }
.plan__features li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.plan__features li:first-child::before { content: ""; }
.pricing__note { text-align: center; font-size: 14px; color: var(--ink-soft); margin: 28px auto 0; max-width: 560px; }

/* Waitlist */
.waitlist { padding: 72px 0; }
.waitlist__inner { max-width: 560px; }
.waitlist__form { display: grid; gap: 16px; margin-top: 8px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.field input, .field select {
  width: 100%; padding: 12px 14px; font-size: 16px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.waitlist__fineprint { font-size: 13px; color: var(--ink-soft); text-align: center; margin: 4px 0 0; }
.waitlist__error { font-size: 14px; color: #b5502f; text-align: center; margin: 4px 0 0; font-weight: 600; }
.waitlist__success { text-align: center; padding: 40px 0; }
.waitlist__check { width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 28px; display: grid; place-items: center; margin: 0 auto 16px; }

/* FAQ */
.faq { padding: 72px 0; background: var(--bg-warm); }
.faq__list { display: grid; gap: 12px; max-width: 760px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 4px 20px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; color: var(--ink-soft); }

/* Footer */
.footer { padding: 40px 0; border-top: 1px solid var(--line); }
.footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer__by { font-size: 14px; color: var(--ink-soft); margin: 6px 0 0; }
.footer__links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer__links a { color: var(--ink-soft); text-decoration: none; font-size: 14px; }
.footer__links a:hover { color: var(--ink); }

/* Responsive */
@media (max-width: 820px) {
  .value__grid, .plans, .how__steps, .mock__body { grid-template-columns: 1fr; }
  .nav__links a:not(.btn) { display: none; }
  .hero { padding-top: 56px; }
}