/* Singbet download page. Colors taken from the app screen. */
:root {
  --bar: #503f32;
  --bar-2: #3e3026;
  --paper: #f3f1ee;
  --ink: #2b241e;
  --muted: #6b6158;
  --line: #e4dfd8;
  --gold: #a6843c;
  --wa: #25d366;
  --wa-ink: #07362c;
  --tg: #2aabee;
  --tg-ink: #04293a;
  --header-h: 60px;
  --wrap: 1080px;
  --font: "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1 {
  font-size: clamp(2.1rem, 4vw, 3.15rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
}
h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  color: var(--ink);
  padding: 0.6rem 0.8rem;
  z-index: 50;
}
.skip:focus { left: 0.6rem; top: 0.6rem; }

.wrap {
  width: min(calc(100% - 2rem), var(--wrap));
  margin-inline: auto;
}
.narrow { width: min(calc(100% - 2rem), 720px); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bar);
}
.bar {
  height: var(--header-h);
  width: min(calc(100% - 2rem), var(--wrap));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 1.05rem;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.site-nav a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
}
.site-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 10px;
  background: transparent;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: #f3e2b0;
  border-radius: 2px;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(43, 36, 30, 0.45);
  z-index: 15;
}

#download,
#register,
#faq { scroll-margin-top: 0.75rem; }
.stage { padding: 3.2rem 0 2.6rem; }
.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 3rem;
  align-items: center;
}
.stage-grid > * { min-width: 0; }
.kicker {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}
.lead {
  margin-top: 1rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.4rem;
  max-width: 520px;
}
.go {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 64px;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  color: inherit;
}
.go strong { display: block; font-size: 1rem; line-height: 1.2; }
.go small { display: block; font-size: 0.78rem; font-weight: 600; opacity: 0.8; }
.go-wa { background: var(--wa); color: var(--wa-ink); }
.go-tg { background: var(--tg); color: var(--tg-ink); }
.go:hover { filter: brightness(0.96); }
.web-line { margin-top: 0.95rem; color: var(--muted); font-size: 0.95rem; }
.web-line a { font-weight: 700; }

.phone {
  margin: 0;
  border-radius: 26px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 18px 50px rgba(80, 63, 50, 0.18);
  border: 1px solid rgba(80, 63, 50, 0.16);
}
.phone img { width: 100%; height: auto; }

.sheet { background: #fff; padding: 3.2rem 0; }
.sheet-note {
  margin: 0.55rem 0 1.25rem;
  color: var(--muted);
  max-width: 40rem;
}
.board {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}
.board figcaption {
  background: var(--bar);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.72rem 1rem;
}
.board img { width: 100%; height: auto; }

.register { padding: 3.2rem 0; }
.lanes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}
.lane {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.9rem;
  min-height: 88px;
  padding: 0 1rem 0 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  overflow: hidden;
}
.lane-kicker {
  align-self: stretch;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  min-width: 7.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
}
.lane strong { font-size: 1.02rem; }
.lane-go { font-size: 1.25rem; }
.lane-wa .lane-kicker { background: var(--wa); color: var(--wa-ink); }
.lane-tg .lane-kicker { background: var(--tg); color: var(--tg-ink); }
.lane:hover { border-color: #d3cdc4; }

.faq { display: flex; flex-direction: column; gap: 0.65rem; margin-top: 1.25rem; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  overflow: hidden;
}
.faq details[open] { background: #fff; }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 1rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--gold); font-size: 1.2rem; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 1rem 1rem; color: var(--muted); }

.foot {
  background: var(--bar-2);
  color: rgba(255, 255, 255, 0.82);
  padding: 2.2rem 0 1.4rem;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}
.foot .brand { display: inline-flex; margin-bottom: 0.6rem; padding: 0; color: #fff; }
.foot p { color: rgba(255, 255, 255, 0.72); font-size: 0.92rem; }
.foot p + p { margin-top: 0.2rem; }
.foot h3 {
  color: #e7c98a;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}
.foot-grid a {
  display: block;
  color: rgba(255, 255, 255, 0.86);
  padding: 0.2rem 0;
}
.foot-grid a:hover { color: #fff; }
.legal {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.legal p { font-size: 0.82rem; margin-top: 0.25rem; }

.top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--bar);
  color: #fff;
  font-weight: 700;
  opacity: 0;
  visibility: hidden;
  z-index: 10;
}
.top.visible { opacity: 1; visibility: visible; }

@media (max-width: 860px) {
  .stage-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .phone { width: min(300px, 100%); margin-inline: auto; }
  .actions, .lanes, .foot-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    width: min(280px, 86vw);
    margin: 0;
    padding: 0.8rem;
    background: var(--bar);
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.25s ease, visibility 0.25s ease;
    z-index: 30;
  }
  .site-nav.open { transform: translateX(0); visibility: visible; }
  .site-nav a { padding: 0.9rem 0.8rem; font-size: 1.05rem; }
}
@media (max-width: 520px) {
  .lane { grid-template-columns: 1fr auto; }
  .lane-kicker { grid-column: 1 / -1; min-height: 2.2rem; }
  .lane strong, .lane-go { padding-bottom: 0.85rem; }
  .lane strong { padding-left: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-nav { transition: none; }
}