/* Shared design tokens and layout primitives for the Topaz marketing site.
   Colors are copied verbatim from topaz/src/theme/tokens.ts — this file has
   no colors of its own, only the app's real light/dark palette. */
:root {
  --bg: #FFFFFF;
  --surface: #F8FAFC;
  --text: #1E293B;
  --text-secondary: #64748B;
  --border: #E2E8F0;
  --accent: #1A73E8;
  --accent-dark: #1557B0;
  --accent-tint: #EAF1FD;
  --pop: #10B981;
  --pop-tint: #E7F8F1;
  --warning: #EF4444;
  --warning-tint: #FEECEC;
  --on-accent: #FFFFFF;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1620;
    --surface: #18212D;
    --text: #E8EEF6;
    --text-secondary: #94A3B8;
    --border: #26313F;
    --accent: #5AA0F2;
    --accent-dark: #7DB6F6;
    --accent-tint: #16283F;
    --pop: #34D399;
    --pop-tint: #123328;
    --warning: #F87171;
    --warning-tint: #3A1D1D;
    --on-accent: #0B1220;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1620;
  --surface: #18212D;
  --text: #E8EEF6;
  --text-secondary: #94A3B8;
  --border: #26313F;
  --accent: #5AA0F2;
  --accent-dark: #7DB6F6;
  --accent-tint: #16283F;
  --pop: #34D399;
  --pop-tint: #123328;
  --warning: #F87171;
  --warning-tint: #3A1D1D;
  --on-accent: #0B1220;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

h1, h2, h3 { font-family: "Sora", "Manrope", sans-serif; font-weight: 700; margin: 0; letter-spacing: -0.025em; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.rule-top { border-top: 1px solid var(--border); }

/* nav */
header { border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 50; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; font-family: "Sora", sans-serif; font-weight: 700; font-size: 19px; letter-spacing: -0.02em; color: var(--text); }
.brand img { width: 30px; height: 30px; border-radius: 7px; display: block; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a:not(.btn) { text-decoration: none; font-size: 15px; font-weight: 600; color: var(--text-secondary); }
.nav-links a:not(.btn):hover { color: var(--text); }
@media (max-width: 760px) { .nav-links .hide-sm { display: none; } .nav-links { gap: 18px; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: "Manrope", sans-serif; font-weight: 700; font-size: 15px;
  padding: 12px 20px; border-radius: 8px; text-decoration: none;
  border: 1.5px solid var(--accent); background: var(--accent); color: var(--on-accent);
  transition: background .12s linear, color .12s linear, border-color .12s linear, opacity .12s linear;
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: var(--surface); border-color: var(--text-secondary); color: var(--text); }
.btn-lg { padding: 15px 26px; font-size: 16px; }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

/* hero */
.hero { padding: 92px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
@media (max-width: 940px) { .hero-grid { grid-template-columns: 1fr; gap: 48px; } .hero { padding: 60px 0 56px; } }

.hero h1 { font-size: clamp(40px, 5.6vw, 66px); line-height: 1.02; }
.hero h1 .accent { color: var(--accent); }
.hero-sub { font-size: 19px; color: var(--text-secondary); margin-top: 24px; max-width: 32em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note { font-size: 14.5px; color: var(--text-secondary); margin-top: 18px; }

.shot { display: flex; justify-content: center; }
.shot img { display: block; width: 100%; max-width: 290px; height: auto; border: 1px solid var(--border); border-radius: 20px; }

/* stat strip: real product facts, not invented metrics */
.facts { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .facts-grid { grid-template-columns: 1fr; } }
.fact { padding: 34px 0; }
.facts-grid .fact + .fact { border-left: 1px solid var(--border); padding-left: 34px; }
@media (max-width: 760px) {
  .facts-grid .fact + .fact { border-left: none; border-top: 1px solid var(--border); padding-left: 0; }
}
.fact-num { font-family: "Sora", sans-serif; font-weight: 700; font-size: 34px; letter-spacing: -0.03em; }
.fact-label { color: var(--text-secondary); font-size: 15px; margin-top: 4px; }

section { padding: 84px 0; }
.head { max-width: 640px; margin-bottom: 56px; }
.head h2 { font-size: clamp(28px, 3.4vw, 38px); line-height: 1.14; }
.head p { color: var(--text-secondary); margin-top: 14px; font-size: 17.5px; }

.kicker {
  font-family: "Sora", sans-serif; font-size: 12.5px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px;
}

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--border); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 34px 34px 34px 0; border-right: 1px solid var(--border); }
.step:last-child { border-right: none; padding-right: 0; }
.step + .step { padding-left: 34px; }
@media (max-width: 900px) {
  .step { border-right: none; border-bottom: 1px solid var(--border); padding: 30px 0; }
  .step + .step { padding-left: 0; }
  .step:last-child { border-bottom: none; }
}
.step-n { font-family: "Sora", sans-serif; font-weight: 700; font-size: 13px; color: var(--accent); letter-spacing: .08em; }
.step h3 { font-size: 20px; margin-top: 12px; }
.step p { color: var(--text-secondary); margin-top: 10px; font-size: 16px; }

.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-top: 72px; }
@media (max-width: 900px) { .showcase { grid-template-columns: 1fr; gap: 36px; } }
.showcase img { display: block; width: 100%; max-width: 280px; height: auto; border: 1px solid var(--border); border-radius: 20px; }
.showcase-copy h3 { font-size: clamp(24px, 3vw, 30px); line-height: 1.18; }
.showcase-copy p { color: var(--text-secondary); margin-top: 14px; font-size: 17px; }
.quote-line { font-family: "Sora", sans-serif; font-weight: 600; font-size: 19px; color: var(--text); border-left: 2px solid var(--accent); padding-left: 16px; margin-top: 22px; }

/* features */
.features { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.fgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
@media (max-width: 820px) { .fgrid { grid-template-columns: 1fr; gap: 0; } }
.f { padding: 26px 0; border-top: 1px solid var(--border); }
.f h3 { font-size: 17.5px; }
.f p { color: var(--text-secondary); font-size: 16px; margin-top: 6px; }
.tag { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-secondary); border: 1px solid var(--border); background: var(--bg); padding: 2px 7px; border-radius: 3px; margin-left: 8px; vertical-align: 2px; }

/* why-topaz comparison */
.compare { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.compare-row { display: grid; grid-template-columns: 1.1fr 1fr 1fr; border-top: 1px solid var(--border); }
.compare-row:first-child { border-top: none; }
.compare-row.head-row { background: var(--surface); }
@media (max-width: 760px) { .compare-row { grid-template-columns: 1fr; } }
.compare-cell { padding: 20px 22px; }
.compare-row:not(.head-row) .compare-cell:not(:first-child) { border-left: 1px solid var(--border); }
@media (max-width: 760px) { .compare-row:not(.head-row) .compare-cell:not(:first-child) { border-left: none; border-top: 1px solid var(--border); } }
.compare-cell .label { font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text-secondary); }
.compare-cell .val { margin-top: 6px; font-size: 15.5px; }
.compare-cell .val.yes { color: var(--pop); font-weight: 700; }
.compare-cell.col-head { font-family: "Sora", sans-serif; font-weight: 700; font-size: 15px; }
.compare-cell.col-head.topaz { color: var(--accent); }

/* pricing */
.prices { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
@media (max-width: 880px) { .prices { grid-template-columns: 1fr; } }
.p { padding: 34px 30px; border-right: 1px solid var(--border); }
.p:last-child { border-right: none; }
@media (max-width: 880px) { .p { border-right: none; border-bottom: 1px solid var(--border); } .p:last-child { border-bottom: none; } }
.p.pick { background: var(--accent-tint); }
.p-name { font-family: "Sora", sans-serif; font-weight: 600; font-size: 14.5px; color: var(--text-secondary); }
.p-amt { font-family: "Sora", sans-serif; font-weight: 700; font-size: 42px; letter-spacing: -.035em; margin-top: 10px; line-height: 1; }
.p-amt span { font-family: "Manrope", sans-serif; font-size: 15.5px; font-weight: 600; color: var(--text-secondary); letter-spacing: 0; }
.p-note { font-size: 14.5px; color: var(--pop); font-weight: 600; margin-top: 8px; min-height: 22px; }
.p ul { list-style: none; padding: 0; margin: 24px 0 28px; display: grid; gap: 10px; }
.p li { font-size: 15.5px; color: var(--text-secondary); padding-left: 18px; position: relative; }
.p li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 1.5px; background: var(--text-secondary); }
.p li strong { color: var(--text); font-weight: 700; }
.p .btn { width: 100%; }

/* faq */
.faq { max-width: 740px; }
details { border-top: 1px solid var(--border); padding: 22px 0; }
details:last-of-type { border-bottom: 1px solid var(--border); }
details summary { font-family: "Sora", sans-serif; font-weight: 600; font-size: 17.5px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 24px; align-items: baseline; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; font-size: 20px; color: var(--text-secondary); font-weight: 400; line-height: 1; }
details[open] summary::after { content: "\2013"; }
details p { color: var(--text-secondary); margin-top: 12px; font-size: 16.5px; }
details summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

/* close */
.close { border-top: 1px solid var(--border); }
.close-inner { padding: 84px 0; text-align: center; }
.close h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.08; }
.close p { color: var(--text-secondary); margin-top: 16px; font-size: 18px; }
.close .btn { margin-top: 30px; }

footer { border-top: 1px solid var(--border); padding: 34px 0; }
.foot { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
.foot-links { display: flex; flex-wrap: wrap; gap: 26px; }
.foot a { color: var(--text-secondary); text-decoration: none; font-size: 14.5px; font-weight: 600; }
.foot a:hover { color: var(--text); }
.foot small { color: var(--text-secondary); font-size: 14px; }