/* BoardMate — boardmate.co.uk marketing site
 * Table Felt Dusk design system (dark), mirrors lib/theme/app_colors.dart
 * + lib/theme/app_text_styles.dart (Big Shoulders Display / IBM Plex Sans).
 */

:root {
  --gold: #FFB400;
  --teal: #7AC2C9;
  --rust: #FF7A47;
  --ink: #1B1F1C;
  --cream: #FFFFFF;
  --cream-soft: rgba(255, 255, 255, 0.82);
  --cream-faint: rgba(255, 255, 255, 0.55);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-strong: rgba(255, 255, 255, 0.10);
  --glass-border: rgba(255, 255, 255, 0.16);
  --dusk-1: #3A2E1F;
  --dusk-2: #17392B;
  --dusk-3: #0A1C13;
  --icon-green: #1B4D3E;
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

img, svg { max-width: 100%; height: auto; }

body {
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--cream-soft);
  background: var(--dusk-3);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Dusk gradient — vignette highlight near top-left, like the app background */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 900px at 12% 4%, var(--dusk-1) 0%, var(--dusk-2) 40%, var(--dusk-3) 78%);
}
.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 400px at 15% 8%, rgba(255, 180, 0, 0.10), transparent 70%),
    radial-gradient(700px 500px at 90% 90%, rgba(122, 194, 201, 0.08), transparent 70%);
}

h1, h2, h3, .display {
  font-family: "Big Shoulders Display", "IBM Plex Sans", sans-serif;
  color: var(--cream);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.05;
}

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

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 28, 19, 0.72);
  border-bottom: 1px solid var(--glass-border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lockup img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: block;
}
.lockup .word {
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: 0.01em;
  color: var(--cream);
  text-transform: none;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-cta {
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 13px;
  color: var(--ink);
  background: var(--gold);
  padding: 9px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

/* Language toggle — English default, Traditional Chinese (Cantonese) option */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--glass);
}
.lang-toggle button {
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 12px;
  color: var(--cream-faint);
  background: transparent;
  border: 0;
  padding: 7px 13px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.lang-toggle button + button { border-left: 1px solid var(--glass-border); }
.lang-toggle button.is-active {
  color: var(--ink);
  background: var(--cream);
}
.lang-toggle button:not(.is-active):hover { color: var(--cream); }

@media (max-width: 620px) {
  .header-cta { display: none; }
  .header-right { gap: 0; }
  .lang-toggle button { padding: 6px 11px; font-size: 11px; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 88px 24px 72px;
  text-align: center;
}
.hero .kicker {
  font-family: "Big Shoulders Display", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--teal);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(52px, 11vw, 104px);
  color: var(--cream);
  margin-bottom: 10px;
}
.hero .sub {
  font-family: "Big Shoulders Display", sans-serif;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: clamp(18px, 3.4vw, 26px);
  color: var(--gold);
  margin-bottom: 22px;
}
.hero .lede {
  max-width: 640px;
  margin: 0 auto 34px;
  font-size: 18px;
  color: var(--cream-soft);
}

/* CTA — deliberately NOT a link. Beta not open yet. */
.cta-btn {
  display: inline-block;
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 17px;
  color: var(--ink);
  background: var(--gold);
  padding: 16px 34px;
  border-radius: 999px;
  box-shadow: 0 10px 40px -12px rgba(255, 180, 0, 0.55);
  cursor: default;
  user-select: none;
}
.cta-note {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--cream-faint);
}

/* ---------- Section scaffolding ---------- */
section { padding: 72px 0; }
.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head h2 {
  font-size: clamp(32px, 5vw, 46px);
  margin-bottom: 14px;
}
.section-head p { color: var(--cream-soft); font-size: 17px; }

.divider { height: 1px; background: var(--glass-border); max-width: var(--maxw); margin: 0 auto; }

/* ---------- Problem cards ---------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 900px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .pain-grid { grid-template-columns: 1fr; } }
.pain-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 24px 20px;
}
.pain-card .tag {
  font-family: "Big Shoulders Display", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  font-size: 13px;
  color: var(--gold);
  display: block;
  margin-bottom: 10px;
}
.pain-card p { font-size: 15px; color: var(--cream-soft); }
.pain-closer {
  max-width: 760px;
  margin: 40px auto 0;
  text-align: center;
  font-size: 17px;
  color: var(--cream);
}

/* ---------- Capability highlights ---------- */
.cap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 0;
}
.cap:nth-of-type(even) .cap-copy { order: 2; }
@media (max-width: 800px) {
  .cap { grid-template-columns: 1fr; gap: 28px; }
  .cap:nth-of-type(even) .cap-copy { order: 0; }
}
.cap-copy .num {
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 10px;
}
.cap-copy h3 { font-size: 27px; margin-bottom: 12px; }
.cap-copy p { font-size: 16px; color: var(--cream-soft); }

/* Phone-frame placeholder for screenshots (real captures pending) */
.phone {
  position: relative;
  width: 216px;
  aspect-ratio: 9 / 13.5;
  margin: 0 auto;
  border-radius: 30px;
  padding: 9px;
  background: linear-gradient(160deg, #2b2b2b, #0c0c0c);
  box-shadow: 0 30px 70px -22px rgba(0, 0, 0, 0.7), inset 0 0 0 1px rgba(255,255,255,0.05);
}
.phone .screen {
  width: 100%;
  height: 100%;
  border-radius: 26px;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 20% 0%, var(--dusk-1), var(--dusk-2) 45%, var(--dusk-3) 85%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 22px;
}
.phone .screen .cap-label {
  font-family: "Big Shoulders Display", sans-serif;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: 18px;
  color: var(--cream);
  margin-bottom: 8px;
}
.phone .screen .cap-pending {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-faint);
}
.phone .screen .glyph { font-size: 40px; margin-bottom: 16px; filter: grayscale(0.1); }
.phone::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 22px;
  background: #0c0c0c;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}

/* ---------- How it works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  counter-reset: step;
}
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 28px 24px;
}
.step .n {
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 800;
  font-size: 40px;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}
.step h3 { font-size: 20px; margin-bottom: 8px; }
.step p { font-size: 15px; color: var(--cream-soft); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border-bottom: 1px solid var(--glass-border);
  padding: 20px 0;
}
.faq summary {
  cursor: pointer;
  font-family: "Big Shoulders Display", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
  font-size: 17px;
  color: var(--cream);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--gold); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin-top: 12px; font-size: 15px; color: var(--cream-soft); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--glass-border);
  padding: 48px 0 60px;
  background: rgba(10, 28, 19, 0.5);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-footer .lockup .word { font-size: 22px; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 14px;
}
.footer-links a, .footer-links span { color: var(--cream-soft); }
.footer-links span { color: var(--cream-faint); cursor: default; }
.footer-bggline {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  justify-content: center;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}
.footer-bggline img { height: 26px; width: auto; display: block; opacity: 0.9; }
.footer-copy { width: 100%; text-align: center; font-size: 13px; color: var(--cream-faint); }

/* ---------- Privacy placeholder ---------- */
.placeholder-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.placeholder-page h1 { font-size: clamp(36px, 7vw, 60px); margin-bottom: 16px; }
.placeholder-page p { max-width: 520px; color: var(--cream-soft); margin-bottom: 28px; }