/* ============================================================
   ResyncLabs AI — styles.css
   Warm paper + deep ink, one accent (#0E7B5A). No gradients,
   no glows, no glassmorphism. Spacing scale: 8/16/24/40/64/96.
   Type: Sora (headings/UI) + IBM Plex Sans (body).
   ============================================================ */

:root {
  /* Palette — light-first, dark sections intentional */
  --paper: #FAF8F3;        /* page background */
  --raised: #F1EDE3;       /* panels on paper */
  --ink: #101318;          /* dark sections, strong text */
  --ink-raised: #1A1F26;   /* panels on ink */
  --text: #101318;         /* primary text on paper */
  --text-dim: #3C4350;     /* secondary text on paper (8.2:1) */
  --text-inv: #F4F1E9;     /* primary text on ink */
  --text-inv-dim: #A8AFBA; /* secondary text on ink (7.6:1) */
  --accent: #0E7B5A;       /* the one accent — deep green */
  --accent-soft: #E3EEE7;  /* accent tint on paper */
  --border: rgba(16, 19, 24, 0.12);
  --border-strong: rgba(16, 19, 24, 0.28);
  --border-inv: rgba(244, 241, 233, 0.14);

  --font-head: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;

  --radius: 8px;
  --radius-lg: 12px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

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

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Skip link — keyboard users first */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--text-inv);
  padding: 12px 20px; font-family: var(--font-head); font-size: 0.92rem;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Type scale ----------
   H1 clamp(2.2rem–3.25rem) / 700 / lh 1.15
   H2 clamp(1.7rem–2.15rem) / 700 / lh 1.2
   H3 1.15rem / 600
   body 1.05rem / 400 / lh 1.7
   meta 0.92rem / 500
---------------------------------------- */

h1, h2, h3 { font-family: var(--font-head); letter-spacing: -0.015em; margin: 0; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.25rem); line-height: 1.15; font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.15rem); line-height: 1.2; font-weight: 700; }
h3 { font-size: 1.15rem; line-height: 1.4; font-weight: 600; }

.section-title { margin-bottom: 16px; }
.section-lead { margin: 0 0 40px; color: var(--text-dim); max-width: 58ch; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.97rem;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: #0B664C; color: #FFFFFF; text-decoration: none; }

.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-strong); }
.btn-ghost:hover { border-color: var(--ink); text-decoration: none; }

.btn-header { padding: 8px 20px; min-height: 44px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}
.brand:hover { color: var(--text); text-decoration: none; }
.brand-mark { width: 28px; height: 28px; flex: none; color: var(--accent); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0 4px;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text); text-decoration: none; }

/* Current page indicator — 2px underline in the accent color */
.nav-link[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* ---------- Hero ---------- */
.hero { padding: 96px 0 64px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 40px;
  align-items: center;
}

.hero h1 { margin-bottom: 24px; }

.hero-sub {
  margin: 0 0 32px;
  color: var(--text-dim);
  font-size: 1.075rem;
  max-width: 54ch;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-actions .btn { padding: 12px 28px; }

/* Hero panel — solid ink card, no glow, no animation */
.hero-panel {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--text-inv);
}

.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-inv);
}

.panel-title { font-family: var(--font-head); font-weight: 600; font-size: 0.95rem; margin: 0; }

.panel-note { font-size: 0.88rem; color: var(--text-inv-dim); margin: 0; }

.chat-line { display: flex; margin-bottom: 8px; }

.chat-bubble {
  max-width: 86%;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.55;
  background: var(--ink-raised);
  border: 1px solid var(--border-inv);
  color: var(--text-inv-dim);
}

.chat-bubble.accent {
  margin-left: auto;
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: #0B2B20;
}

.chat-meta {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: inherit;
  opacity: 0.75;
}

.chat-bubble.accent .chat-meta { color: #14563F; opacity: 1; }

.hero-panel-note { margin: 16px 0 0; font-size: 0.85rem; color: var(--text-inv-dim); }

/* Concrete facts strip — replaces a floating stat banner */
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text-dim);
}

.hero-meta strong { color: var(--text); font-weight: 600; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-after { padding-top: 0; }
.section-ink { background: var(--ink); color: var(--text-inv); }
.section-ink .section-title { color: var(--text-inv); }
.section-ink .section-lead { color: var(--text-inv-dim); }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: start;
}

.about-copy p { margin: 0 0 16px; color: var(--text-dim); }
.about-copy p:last-child { margin-bottom: 0; }
.about-copy strong { color: var(--text); font-weight: 600; }

/* Ledger-style list — not a card grid */
.about-panels { border-top: 2px solid var(--ink); }
.about-panel { padding: 16px 0 24px; border-bottom: 1px solid var(--border); }
.about-panel h3 { margin: 0 0 8px; font-size: 1rem; }
.about-panel p { margin: 0; color: var(--text-dim); font-size: 0.96rem; }

/* ---------- Services — alternating ledger rows, no icon cards ---------- */
.services-lead { margin-bottom: 40px; }

.services-list { border-top: 2px solid var(--ink); }

.service-row {
  display: grid;
  grid-template-columns: 64px 1.05fr 1.2fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}

.service-index {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--accent);
}

.service-row h3 { margin: 0; }

.service-row p { margin: 0; color: var(--text-dim); font-size: 0.98rem; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-list { margin: 0; }

.contact-item {
  display: flex;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-inv);
}
.contact-item:first-of-type { border-top: 1px solid var(--border-inv); }

.contact-item dt {
  width: 88px;
  flex: none;
  color: var(--text-inv-dim);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding-top: 3px;
}

.contact-item dd { margin: 0; color: var(--text-inv); font-weight: 500; }
.contact-item dd a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-inv);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-item dd a:hover { color: #FFFFFF; }

.contact-note { margin: 24px 0 0; color: var(--text-inv-dim); font-size: 0.95rem; }

/* Light-background contact variant (Contact page) */
.contact-item-light { border-color: var(--border); }
.contact-item-light:first-of-type { border-top-color: var(--border); }
.contact-item-light dt { color: var(--text-dim); }
.contact-item-light dd { color: var(--text); }
.contact-item-light dd a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.contact-item-light dd a:hover { color: #0B664C; }
.contact-note-light { color: var(--text-dim); }

/* ---------- Page hero (Privacy / Terms) ---------- */
.page-hero { padding: 64px 0 40px; }
.page-hero h1 { margin-bottom: 8px; }
.page-meta { color: var(--text-dim); font-size: 0.95rem; margin: 0; }

/* ---------- Legal pages ---------- */
.legal-section { padding: 8px 0 96px; }
.legal-body { max-width: 74ch; }

.legal-body section { margin-top: 40px; }
.legal-body section:first-child { margin-top: 0; }

.legal-body h2 {
  font-size: 1.25rem;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.legal-body p { color: var(--text-dim); margin: 0 0 16px; font-size: 1rem; }
.legal-body strong { color: var(--text); font-weight: 600; }
.legal-body a { word-break: break-word; }

/* Compliance-critical sentence — bold on raised panel.
   Deliberately NO colored left border (flagged AI pattern). */
.required-sentence {
  display: block;
  background: var(--raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 16px 24px;
  margin: 0 0 16px;
  color: var(--text);
  font-weight: 700;
}

/* SMS opt-in disclosure on Terms — same treatment */
.sms-disclosure {
  background: var(--raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 16px 24px;
  margin: 0;
  color: var(--text-dim);
  font-size: 1rem;
}
.sms-disclosure strong { color: var(--text); font-weight: 700; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--text-inv);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.92rem;
  color: var(--text-inv-dim);
}

.footer-inner nav { display: flex; gap: 8px; align-items: center; }
.footer-inner nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 8px;
  color: var(--text-inv-dim);
}
.footer-inner nav a:hover { color: var(--text-inv); }

/* ---------- Explore / page launcher (home) ---------- */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.explore-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--text);
  transition: border-color 0.16s ease;
}

.explore-card:hover { border-color: var(--border-strong); text-decoration: none; }

.explore-card h3 { margin: 0; }

.explore-card p { margin: 0; color: var(--text-dim); font-size: 0.96rem; }

.explore-card .go {
  margin-top: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--accent);
}

/* ---------- CTA band (bottom of inner pages) ---------- */
.cta-band {
  background: var(--ink);
  color: var(--text-inv);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-band h2 { margin: 0 0 8px; font-size: 1.5rem; }

.cta-band p { margin: 0; color: var(--text-inv-dim); max-width: 52ch; }

.cta-band .btn { flex: none; }

/* ---------- Contact page ---------- */
.contact-page-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

/* ---------- Reveal (subtle, optional) ---------- */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}

/* Inline text links need 44px hit areas on touch devices,
   without disturbing paragraph flow on desktop */
@media (pointer: coarse) {
  .legal-body a:not(.btn),
  .sms-disclosure a,
  .page-meta a {
    display: inline-block;
    padding: 12px 4px;
    margin: -12px -4px;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-panel { max-width: 480px; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 16px; }
  .contact-page-grid { grid-template-columns: 1fr; gap: 24px; }
  .service-row { grid-template-columns: 48px 1fr; }
  .service-row p { grid-column: 2; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .main-nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 4px 16px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
  }
  .nav-link { font-size: 0.9rem; }
  .hero-actions .btn { width: 100%; }
  .service-row { gap: 16px; padding: 16px 0; }
  .contact-item { flex-direction: column; gap: 2px; }
  .contact-item dd { word-break: break-word; }
  .footer-inner { flex-direction: column; text-align: center; }
  .explore-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 24px; }
}
}