/* Orca Systems — "Ledger" design system (Hotsoft / legacy-PMS switcher angle)
   Tone: document/prospectus grammar, decisive migration energy. */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,500&family=Work+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #EFF2F7;
  --paper: #FFFFFF;
  --ink: #16233D;
  --ink-soft: #2A3A57;
  --muted: #4B5A74;
  --primary: #1B3A66;
  --accent: #A3611B;
  --on-accent: #FFFFFF;
  --border: #D9DEE8;
  --border-strong: #B9C3D6;
  --good: #2F6B4F;
  --bad: #9A3B32;
  --danger: #B3261E;

  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Work Sans', system-ui, -apple-system, sans-serif;

  --space-1: 4px; --space-2: 8px; --space-3: 16px; --space-4: 24px;
  --space-5: 32px; --space-6: 48px; --space-7: 64px; --space-8: 96px;

  --radius: 4px;
  --radius-lg: 6px;
  --max-width: 1180px;
  --measure: 65ch;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100dvh;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); }
h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 var(--space-3); color: var(--ink); }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); line-height: 1.12; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 var(--space-3); color: var(--muted); max-width: var(--measure); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-4); }
.measure { max-width: var(--measure); }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--primary); color: #fff;
  padding: var(--space-2) var(--space-3); z-index: 1000; border-radius: var(--radius);
}
.skip-link:focus { left: var(--space-3); top: var(--space-3); }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* Header: logo + single CTA, no site nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: var(--space-4); }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-weight: 600; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.brand img { height: 26px; width: 26px; flex-shrink: 0; }

@media (max-width: 480px) {
  .site-header .container { padding: 0 var(--space-3); gap: var(--space-2); }
  .brand { font-size: 0.95rem; gap: 6px; }
  .site-header .btn { padding: 0 var(--space-3); font-size: 0.82rem; min-height: 44px; }
}
@media (max-width: 360px) {
  .site-header .container { padding: 0 12px; }
  .brand { font-size: 0.88rem; }
  .site-header .btn { padding: 0 10px; font-size: 0.76rem; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 46px; padding: 0 var(--space-4); border-radius: var(--radius);
  font-weight: 700; font-size: 0.95rem; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
  font-family: var(--sans);
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-outline:hover { background: var(--paper); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

/* Sections */
.section { padding: var(--space-8) 0; border-top: 1px solid var(--border); }
.section:first-of-type { border-top: none; }
.section-head { max-width: 46rem; margin: 0 auto var(--space-6); }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.kicker { display: block; font-family: var(--sans); font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--primary); margin-bottom: var(--space-2); }

[data-reveal] { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 500ms ease, transform 500ms ease; }
  [data-reveal].is-visible { opacity: 1; transform: none; }
}

/* Hero: asymmetric split */
.hero { padding: var(--space-7) 0 var(--space-7); }
.hero .container { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-7); align-items: center; }
.hero-eyebrow { display: inline-block; font-weight: 700; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--primary); border-left: 3px solid var(--accent); padding-left: 10px; margin-bottom: var(--space-4); }
.hero h1 { max-width: 16ch; }
.hero-lede { font-size: 1.1rem; max-width: 42ch; }
.hero-ctas { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-5); }
.hero-fact { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--border); font-size: 0.92rem; color: var(--muted); max-width: 42ch; }
.hero-fact strong { color: var(--ink); }
.hero-aside { border: 1px solid var(--border-strong); background: var(--paper); border-radius: var(--radius-lg); padding: var(--space-5); }
.hero-aside .figure-frame { margin-bottom: var(--space-3); }
.hero-aside .aside-title { font-family: var(--serif); font-weight: 600; font-size: 1rem; color: var(--ink); margin-bottom: var(--space-2); }
.hero-aside p { font-size: 0.9rem; margin-bottom: 0; }

/* Phone and tablet: headline, sub-line and buttons first; the screenshot panel follows. */
@media (max-width: 920px) {
  .hero { padding: var(--space-6) 0 var(--space-6); }
  .hero .container { grid-template-columns: 1fr; gap: var(--space-5); }
}

/* Figure frames for screenshots ("exhibit" treatment) */
.figure-frame {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--paper);
  overflow: hidden;
}
.figure-frame img { width: 100%; height: auto; display: block; }
figure { margin: 0; }
figcaption { margin-top: var(--space-2); font-size: 0.85rem; color: var(--muted); }
figcaption .cap-label { font-weight: 700; color: var(--ink); }

/* Problem agitation list */
.problem-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: var(--space-5); }
@media (max-width: 860px) { .problem-list { grid-template-columns: 1fr; } }
.problem-item { border-top: 2px solid var(--bad); padding-top: var(--space-3); }
.problem-item h3 { font-size: 1.05rem; }
.problem-item p { margin-bottom: 0; font-size: 0.95rem; }

/* Comparison table */
.compare-wrap { overflow-x: auto; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--paper); }
table.compare { width: 100%; border-collapse: collapse; min-width: 560px; }
table.compare th, table.compare td { text-align: left; padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border); font-size: 0.95rem; }
table.compare thead th { font-family: var(--serif); font-weight: 600; font-size: 1rem; background: var(--bg); }
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare td.col-them { color: var(--bad); }
table.compare td.col-us { color: var(--good); font-weight: 600; }
table.compare .row-label { color: var(--muted); font-weight: 500; }

/* Feature detail grid */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); margin-top: var(--space-6); }
@media (max-width: 760px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-item { border-top: 1px solid var(--border); padding-top: var(--space-4); display: flex; gap: var(--space-4); }
.feature-item .num { font-family: var(--serif); font-size: 1.1rem; color: var(--primary); font-weight: 600; flex-shrink: 0; width: 2.4rem; }
.feature-item h3 { margin-bottom: var(--space-2); }
.feature-item p { margin-bottom: 0; font-size: 0.95rem; }

/* Proof / screenshot gallery */
.proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); margin-top: var(--space-6); }
@media (max-width: 760px) { .proof-grid { grid-template-columns: 1fr; } }
.proof-grid.full-bleed-row { grid-template-columns: 1fr; }
.proof-grid .is-wide { grid-column: 1 / -1; }

/* Testimonials */
.sample-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); border: 1px dashed var(--border-strong); border-radius: 999px;
  padding: 3px 10px; margin-bottom: var(--space-4);
}
.testimonial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); margin-top: var(--space-5); }
@media (max-width: 760px) { .testimonial-grid { grid-template-columns: 1fr; } }
.testimonial-card { background: var(--paper); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: var(--space-5); }
.testimonial-card blockquote { font-family: var(--serif); font-size: 1.1rem; font-style: italic; margin: 0 0 var(--space-4); color: var(--ink-soft); line-height: 1.5; }
.testimonial-card cite { font-style: normal; display: block; font-weight: 700; color: var(--ink); font-size: 0.9rem; }
.testimonial-card .role { display: block; color: var(--muted); font-size: 0.85rem; font-weight: 400; }
.flagship-note { margin-top: var(--space-5); padding: var(--space-4); border-left: 3px solid var(--primary); background: var(--paper); border-radius: 0 var(--radius) var(--radius) 0; font-size: 0.92rem; }
.flagship-note p { margin-bottom: 0; }

/* FAQ */
.faq-item { border-top: 1px solid var(--border); padding: var(--space-4) 0; }
.faq-item:first-child { border-top: none; }
.faq-item summary { cursor: pointer; font-weight: 700; font-family: var(--serif); font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { transition: transform 200ms ease; flex-shrink: 0; }
@media (prefers-reduced-motion: reduce) { .faq-item summary .chev { transition: none; } }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item p { margin-top: var(--space-3); margin-bottom: 0; }

/* CTA band */
.cta-band { background: var(--primary); color: #fff; border-radius: var(--radius-lg); padding: var(--space-7) var(--space-5); text-align: center; }
.cta-band h2, .cta-band p { color: #fff; }
.cta-band p { color: #C7D2E6; margin-left: auto; margin-right: auto; }
.cta-band .btn-primary { background: var(--accent); }
.cta-band .btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; }
.cta-band .btn-outline:hover { background: rgba(255,255,255,0.08); }

/* Form */
.form-card { background: var(--paper); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: var(--space-6); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-4); }
.field label { font-weight: 700; font-size: 0.9rem; color: var(--ink); }
.field .hint { font-size: 0.8rem; color: var(--muted); }
.field input, .field select, .field textarea {
  min-height: 46px; padding: 0 var(--space-3); border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: #fff; color: var(--ink); font: inherit;
}
.field textarea { min-height: 100px; padding: var(--space-3); resize: vertical; }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: 0.85rem; display: none; }
.field.has-error .field-error { display: block; }
.form-status { border-radius: var(--radius); padding: var(--space-3); margin-bottom: var(--space-4); display: none; font-size: 0.92rem; }
.form-status.is-success { display: block; background: color-mix(in srgb, var(--good) 14%, #fff); border: 1px solid var(--good); color: #184531; }
.form-status.is-error { display: block; background: color-mix(in srgb, var(--danger) 10%, #fff); border: 1px solid var(--danger); color: #6e1510; }

/* Reviews: per-card label, features line, link to the full page (added 2026-10-11) */
.testimonial-card .sample-label { display: inline-block; margin-bottom: var(--space-3); font-size: 0.875rem; font-weight: 700; color: var(--ink-soft); border: 1px dashed var(--border-strong); border-radius: 999px; padding: 2px 10px; }
.testimonial-card .feat { display: block; margin-top: var(--space-2); font-size: 0.82rem; color: var(--muted); }
.review-more { margin-top: var(--space-4); font-size: 0.95rem; }
.cta-band .hero-ctas { justify-content: center; }
.cta-band .price-line { margin: var(--space-4) auto 0; font-size: 0.95rem; }
.cta-band .price-line a { color: #fff; }
.price-answer a { font-weight: 700; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0 var(--space-4); }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 0.9rem; color: var(--primary); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: var(--space-6) 0 var(--space-5); margin-top: var(--space-7); }
.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-3); }
.footer-note { color: var(--muted); font-size: 0.85rem; }
.footer-legal { flex: 0 0 100%; margin: 0; color: var(--muted); font-size: 0.85rem; }
.footer-legal a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; padding: 14px 2px; }

/* Language switcher (landing page does not load styles.css). Shared by the English and Thai versions. */
.lang-switch--ledger { flex: 0 0 100%; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 16px; margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--border); }
.lang-switch--ledger .lang-switch__label { font-weight: 700; color: var(--ink); }
.lang-switch--ledger ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 8px; }
.lang-switch--ledger a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; border: 1px solid transparent; border-radius: var(--radius); color: var(--primary); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.lang-switch--ledger a:hover { background: var(--paper); text-decoration: underline; text-underline-offset: 3px; }
.lang-switch--ledger a[aria-current] { border-color: var(--primary); background: var(--paper); color: var(--ink); font-weight: 700; }

/* Proof gallery: cards size to their own content; captions sit inside the frame with padding */
.proof-grid { align-items: start; }
.figure-frame figcaption { padding: var(--space-3) var(--space-4) var(--space-4); margin-top: 0; }