/* TIMO Labs - rebuild mock, 2026-07-28
   Plain, boring, high-contrast. One accent colour. No decoration that does not carry information. */

:root {
  --bg:        #ffffff;
  --bg-2:      #f7f6f4;
  --bg-3:      #efeeea;
  --text:      #131316;
  --text-2:    #5a5a63;
  --text-3:    #85858e;
  --line:      #e3e2dd;
  --line-2:    #d2d1cb;
  --accent:    #c8421c;
  --accent-2:  #a83614;
  --accent-bg: #fbf0eb;
  --ok:        #1c7a4a;
  --shadow:    0 1px 2px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.05);
  --radius:    10px;
}

[data-theme="dark"] {
  --bg:        #0d0d10;
  --bg-2:      #141419;
  --bg-3:      #1c1c22;
  --text:      #f2f2ef;
  --text-2:    #9d9da6;
  --text-3:    #74747d;
  --line:      #24242b;
  --line-2:    #33333c;
  --accent:    #ff7a4d;
  --accent-2:  #ff9470;
  --accent-bg: #241510;
  --ok:        #4ec98a;
  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.62;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  transition: background .18s ease, color .18s ease;
}

.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .78em;
  letter-spacing: .02em;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3 { letter-spacing: -0.028em; line-height: 1.16; margin: 0 0 .5em; font-weight: 640; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.15rem); }
h2 { font-size: clamp(1.55rem, 3.4vw, 2.05rem); }
h3 { font-size: 1.12rem; font-weight: 620; line-height: 1.35; }
p  { margin: 0 0 1.05em; }

.wrap { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.wrap-wide { max-width: 820px; margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.head-in {
  max-width: 820px; margin: 0 auto; padding: 13px 24px;
  display: flex; align-items: center; gap: 22px;
}
.brand {
  color: var(--text); text-decoration: none; margin-right: auto;
  display: flex; align-items: center; gap: 10px;
}
.brand:hover { text-decoration: none; }
.brand img { height: 21px; width: auto; display: block; }
.brand span {
  color: var(--text-3); font-weight: 450; font-size: .82rem; letter-spacing: 0;
  padding-left: 10px; border-left: 1px solid var(--line-2); line-height: 1.1;
}
.head-nav { display: flex; gap: 20px; align-items: center; }
.head-nav a { color: var(--text-2); font-size: .92rem; font-weight: 480; }
.head-nav a:hover { color: var(--text); text-decoration: none; }

.theme-btn {
  background: transparent; border: 1px solid var(--line-2); color: var(--text-2);
  width: 34px; height: 34px; border-radius: 8px; cursor: pointer;
  display: grid; place-items: center; padding: 0;
}
.theme-btn:hover { color: var(--text); border-color: var(--text-3); }
.theme-btn svg { width: 16px; height: 16px; }
[data-theme="dark"] .icon-sun  { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
.icon-sun  { display: none; }
.icon-moon { display: block; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: var(--accent); color: #fff; border: 1px solid var(--accent);
  padding: 15px 26px; border-radius: var(--radius); font-size: 1.02rem;
  font-weight: 600; letter-spacing: -0.012em; cursor: pointer; text-decoration: none;
  transition: background .14s ease;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); text-decoration: none; color: #fff; }
[data-theme="dark"] .btn { color: #1a0d07; }
[data-theme="dark"] .btn:hover { color: #1a0d07; }
.btn-lg { padding: 17px 32px; font-size: 1.08rem; width: 100%; }
.btn-ghost {
  background: transparent; color: var(--text); border: 1px solid var(--line-2);
}
.btn-ghost:hover { background: var(--bg-2); color: var(--text); border-color: var(--text-3); }

/* ---------- sections ---------- */
section { padding: 78px 0; border-top: 1px solid var(--line); }
section:first-of-type { border-top: 0; }
.eyebrow {
  display: inline-block; color: var(--text-3); text-transform: uppercase;
  letter-spacing: .1em; font-size: .7rem; font-weight: 600; margin-bottom: 14px;
}
.lede { font-size: 1.12rem; color: var(--text-2); max-width: 60ch; }

/* ---------- hero ---------- */
.hero { padding: 74px 0 68px; }
.hero h1 { margin-bottom: 18px; max-width: 15ch; }
.hero .lede { font-size: 1.2rem; color: var(--text-2); }
.hero .lede strong { color: var(--text); font-weight: 600; }

.buybox {
  margin-top: 36px; border: 1px solid var(--line-2); border-radius: 14px;
  background: var(--bg-2); padding: 26px; box-shadow: var(--shadow);
}
.buybox-top {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 6px;
}
.price { font-size: 2.5rem; font-weight: 680; letter-spacing: -0.035em; line-height: 1; }
.price-note { color: var(--text-2); font-size: .97rem; }
.buybox ul {
  list-style: none; margin: 18px 0 22px; padding: 0;
  display: grid; gap: 9px;
}
.buybox li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: .97rem; color: var(--text-2);
}
.buybox li svg { flex: none; width: 16px; height: 16px; margin-top: 4px; color: var(--ok); }
.buybox li b { color: var(--text); font-weight: 570; }
.pay-note {
  margin: 13px 0 0; font-size: .85rem; color: var(--text-3);
  text-align: center; line-height: 1.5;
}
.trustbar {
  margin-top: 30px; display: flex; flex-wrap: wrap; gap: 8px 26px;
  font-size: .84rem; color: var(--text-3);
}
.trustbar b { color: var(--text-2); font-weight: 560; }

/* ---------- steps ---------- */
.steps { display: grid; gap: 2px; margin-top: 36px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.step { background: var(--bg); padding: 24px 26px; display: grid; grid-template-columns: 34px 1fr; gap: 18px; align-items: start; }
.step-n {
  width: 28px; height: 28px; border-radius: 50%; background: var(--accent-bg);
  color: var(--accent); display: grid; place-items: center;
  font-size: .82rem; font-weight: 680; margin-top: 1px;
}
.step h3 { margin-bottom: 4px; }
.step p { margin: 0; color: var(--text-2); font-size: .97rem; }
.step-when { display: block; margin-top: 7px; color: var(--text-3); font-size: .82rem; }

/* ---------- exam table ---------- */
.tablewrap { margin-top: 32px; border: 1px solid var(--line); border-radius: 12px; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; min-width: 600px; }
th, td { text-align: left; padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th {
  background: var(--bg-2); font-size: .72rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-3); font-weight: 620; white-space: nowrap;
}
tbody tr:last-child td { border-bottom: 0; }
td strong { font-weight: 600; display: block; }
td .sub { color: var(--text-3); font-size: .86rem; display: block; white-space: nowrap; }
td:last-child { white-space: nowrap; }
.code-chip {
  display: inline-block; background: var(--bg-3); color: var(--text-2);
  padding: 3px 8px; border-radius: 5px; white-space: nowrap;
}
.note { font-size: .88rem; color: var(--text-3); margin-top: 14px; }

/* ---------- faq ---------- */
.faq { margin-top: 30px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; padding: 19px 34px 19px 0; font-weight: 570; font-size: 1.02rem;
  list-style: none; position: relative; color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 27px;
  width: 9px; height: 9px; border-right: 1.8px solid var(--text-3);
  border-bottom: 1.8px solid var(--text-3); transform: rotate(45deg);
  transition: transform .16s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); top: 31px; }
.faq .answer { padding: 0 40px 22px 0; color: var(--text-2); font-size: .99rem; }
.faq .answer p:last-child { margin-bottom: 0; }

/* ---------- sticky pay bar ---------- */
.paybar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-top: 1px solid var(--line);
  transform: translateY(110%); transition: transform .22s ease;
}
.paybar.show { transform: translateY(0); }
.paybar-in {
  max-width: 820px; margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; gap: 16px;
}
.paybar-txt { font-size: .94rem; color: var(--text-2); margin-right: auto; }
.paybar-txt b { color: var(--text); font-weight: 620; }
.paybar .btn { padding: 11px 22px; font-size: .96rem; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 52px 0 90px; background: var(--bg-2); }
.foot-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1fr; gap: 28px; }
.foot-grid h4 { font-size: .74rem; text-transform: uppercase; letter-spacing: .09em; color: var(--text-3); margin: 0 0 12px; font-weight: 620; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-grid a { color: var(--text-2); font-size: .92rem; }
.foot-grid a:hover { color: var(--text); }
.foot-note { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--text-3); font-size: .84rem; max-width: 68ch; }

/* ---------- forms ---------- */
.formcard {
  border: 1px solid var(--line-2); border-radius: 14px; background: var(--bg-2);
  padding: 26px; margin-top: 28px; box-shadow: var(--shadow);
}
.formcard h3 { margin-bottom: 4px; }
.formcard > p { color: var(--text-2); font-size: .96rem; }
.form { display: grid; gap: 15px; margin-top: 20px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.field label {
  display: block; font-size: .84rem; font-weight: 560;
  margin-bottom: 6px; color: var(--text-2);
}
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-2);
  border-radius: 9px; background: var(--bg); color: var(--text);
  font-family: inherit; font-size: 1rem; line-height: 1.4;
}
.field textarea { min-height: 88px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.form-note { font-size: .85rem; color: var(--text-3); margin: 0; }

.callout {
  border-left: 3px solid var(--accent); background: var(--accent-bg);
  padding: 17px 21px; border-radius: 0 10px 10px 0; margin: 26px 0 0;
  font-size: .97rem; color: var(--text-2);
}
.callout b { color: var(--text); font-weight: 600; }
.callout p { margin: 0; }
.callout p + p { margin-top: .6em; }

.track-pick { display: grid; gap: 10px; margin-top: 20px; }
.track-pick label {
  display: flex; gap: 13px; align-items: flex-start; cursor: pointer;
  border: 1px solid var(--line-2); border-radius: 10px; padding: 15px 17px;
}
.track-pick label:hover { border-color: var(--text-3); }
.track-pick input { margin-top: 4px; flex: none; }
.track-pick label > span { display: flex; flex-direction: column; gap: 4px; }
.track-pick .t-name { display: block; font-weight: 620; color: var(--text); }
.track-pick .t-name .code-chip { margin-right: 8px; }
.track-pick .t-detail { display: block; color: var(--text-2); font-size: .92rem; }

.receipt-box {
  border: 1px solid var(--line-2); border-radius: 12px; background: var(--bg-2);
  padding: 22px 26px; margin-top: 26px;
}
.receipt-box .r-row { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: .96rem; }
.receipt-box .r-row:last-child { border-bottom: none; }
.receipt-box .r-row span:first-child { color: var(--text-2); }
.receipt-box .r-row span:last-child { font-weight: 600; text-align: right; }

/* ---------- blog + article ---------- */
.page-head { padding: 62px 0 34px; }
.crumb { font-size: .85rem; color: var(--text-3); margin-bottom: 16px; }
.crumb a { color: var(--text-3); }
.crumb a:hover { color: var(--text); }

.post-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.post-list li { border-bottom: 1px solid var(--line); }
.post-list a.post-link { display: block; padding: 24px 0; color: var(--text); }
.post-list a.post-link:hover { text-decoration: none; }
.post-list a.post-link:hover h3 { color: var(--accent); }
.post-list h3 { margin-bottom: 6px; }
.post-list p { color: var(--text-2); font-size: .96rem; margin: 0; }
.post-meta { color: var(--text-3); font-size: .8rem; margin-top: 9px; }

article { padding-bottom: 60px; }
article h2 { margin-top: 2em; font-size: 1.42rem; }
article h3 { margin-top: 1.7em; }
article ul, article ol { color: var(--text-2); padding-left: 22px; margin: 0 0 1.1em; }
article li { margin-bottom: .45em; }
article .tablewrap { margin: 26px 0; }
article table { min-width: 480px; }
.answer-box {
  border-left: 3px solid var(--accent); background: var(--bg-2);
  padding: 18px 22px; border-radius: 0 10px 10px 0; margin: 0 0 30px;
}
.answer-box p { margin: 0; font-size: 1.05rem; }
.answer-box p + p { margin-top: .8em; }
.cta-inline {
  border: 1px solid var(--line-2); border-radius: 12px; background: var(--bg-2);
  padding: 24px 26px; margin: 40px 0 0;
}
.cta-inline h3 { margin-bottom: 6px; }
.cta-inline p { color: var(--text-2); font-size: .96rem; margin-bottom: 16px; }

/* ---------- certification track detail cards ---------- */
.track-detail {
  border: 1px solid var(--line-2); border-radius: 12px; background: var(--bg-2);
  padding: 26px 28px; margin-top: 22px;
}
.track-detail h3 { margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.track-detail p { color: var(--text-2); margin: 0 0 .7em; }
.track-detail p:last-child { margin-bottom: 0; }
.track-detail p strong { color: var(--text); font-weight: 570; }

@media (max-width: 720px) {
  body { font-size: 16px; }
  section { padding: 58px 0; }
  .head-nav a.hide-sm { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .field-row { grid-template-columns: 1fr; }
  .paybar-txt { font-size: .86rem; }
  .buybox { padding: 22px 20px; }
}