* {
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0a;
  --card: #111111;
  --card-soft: #151515;
  --gold: #d4af37;
  --text: #ffffff;
  --muted: #cfcfcf;
  --line: rgba(212,175,55,.28);
  --field: #0f0f0f;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top, rgba(212,175,55,.12), transparent 34rem),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

.app-shell {
  width: min(100%, 520px);
  margin: 0 auto;
  min-height: 100vh;
  padding: env(safe-area-inset-top) 16px calc(86px + env(safe-area-inset-bottom));
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0 10px;
  background: linear-gradient(to bottom, rgba(10,10,10,.98), rgba(10,10,10,.78), transparent);
  backdrop-filter: blur(10px);
}

.brand-mini {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
}

.brand-mini img {
  border-radius: 9px;
}

.top-call {
  text-decoration: none;
  color: #111;
  background: var(--gold);
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.hero {
  min-height: calc(100vh - 110px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px 0 42px;
  text-align: center;
}

.logo-card {
  width: 104px;
  height: 104px;
  margin: 0 auto 24px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0,0,0,.34);
}

.logo-card img {
  width: 100%;
  height: 100%;
  display: block;
}

.eyebrow {
  margin: 0 0 11px;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 900;
}

h1, h2 {
  margin: 0;
  letter-spacing: .02em;
}

h1 {
  font-size: clamp(35px, 10vw, 54px);
  line-height: .96;
}

h2 {
  font-size: clamp(26px, 7vw, 34px);
  line-height: 1.05;
}

.lead {
  color: var(--muted);
  margin: 18px auto 26px;
  max-width: 32ch;
  font-size: 17px;
  line-height: 1.55;
}

.quick-actions,
.contact-card {
  display: grid;
  gap: 11px;
}

.btn {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 15px 18px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 17px;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  color: var(--text);
  text-decoration: none;
  font-weight: 900;
  letter-spacing: .02em;
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
}

.btn-gold {
  color: #111;
  background: linear-gradient(135deg, #f0d46f, var(--gold));
  border-color: rgba(212,175,55,.75);
}

.btn-whatsapp {
  border-color: rgba(37,211,102,.35);
}

.btn.full {
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.micro,
.form-note {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.5;
}

.micro {
  max-width: 34ch;
  margin: 22px auto 0;
}

.install-hint {
  margin: 20px auto 0;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gold);
  border-radius: 999px;
  padding: 11px 15px;
  font-weight: 900;
}

.ios-install-note {
  margin: 12px auto 0;
  max-width: 36ch;
  padding: 11px 14px;
  border: 1px solid rgba(212,175,55,.20);
  border-radius: 16px;
  background: rgba(212,175,55,.055);
  color: var(--muted);
  font-size: 12.6px;
  line-height: 1.45;
}

.ios-install-note strong {
  color: var(--gold);
  font-weight: 900;
}
.card-section {
  scroll-margin-top: 86px;
  padding: 40px 0 18px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.55;
  margin: 12px 0 0;
}

.form-card,
.contact-card {
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px;
  padding: 17px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025)),
    var(--card);
  box-shadow: 0 18px 46px rgba(0,0,0,.26);
}

.grid {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 13px;
  color: #f4f4f4;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .02em;
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 14px;
  background: var(--field);
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(212,175,55,.72);
  box-shadow: 0 0 0 3px rgba(212,175,55,.12);
}

.hidden {
  display: none;
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 30;
  transform: translateX(-50%);
  width: min(100%, 520px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  padding: 9px 13px calc(9px + env(safe-area-inset-bottom));
  background: rgba(10,10,10,.88);
  border-top: 1px solid rgba(255,255,255,.09);
  backdrop-filter: blur(14px);
}

.bottom-nav a {
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .05em;
  padding: 10px 4px;
  border-radius: 12px;
}

.bottom-nav a:focus,
.bottom-nav a:hover {
  color: var(--gold);
  background: rgba(212,175,55,.08);
}

@media (min-width: 620px) {
  .app-shell {
    padding-left: 0;
    padding-right: 0;
  }

  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

button:disabled {
  opacity: .72;
  cursor: wait;
}

.success-note {
  margin: -6px auto 22px;
  max-width: 36ch;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.5;
  text-align: center;
}