/* SecureBuy CANONICAL_PUBLIC_V1 — geometry + typography pass */

.sb-public,
.sb-public * { box-sizing: border-box; }

.sb-public {
  margin: 0;
  min-height: 100dvh;
  background: var(--sb-public-bg);
  color: var(--sb-public-text);
  font-family: var(--sb-font-family);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

.sb-public-shell {
  width: 100%;
  max-width: 430px;
  margin-inline: auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.sb-pub-nav {
  min-height: 72px;
  padding-inline: var(--sb-page-gutter);
  padding-top: max(16px, env(safe-area-inset-top));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.sb-pub-nav .sb-logo {
  color: var(--sb-lime);
  align-items: center;
  gap: 10px;
}

.sb-pub-nav .sb-logo-mark { width: 36px; height: 36px; }

.sb-pub-nav .sb-logo-wordmark {
  color: var(--sb-public-text);
  font-size: 26px;
  line-height: 1;
  font-weight: 750;
  letter-spacing: -0.045em;
}

.sb-pub-nav .sb-logo-wordmark .buy { color: var(--sb-lime); }

.sb-pub-nav .sb-logo-tagline {
  margin-top: 4px;
  color: var(--sb-public-muted);
  font-size: 11px;
  line-height: 1.3;
  font-weight: 500;
}

.sb-pub-menu {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--sb-border-light);
  background: transparent;
  color: var(--sb-public-text);
  display: grid;
  place-items: center;
}

.sb-pub-menu svg { width: 20px; height: 20px; }

/* In-frame menu overlay — constrained to the phone-app window (see app-frame.css). */
.sb-pub-menu-overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--sb-frame-w, 460px);
  z-index: 100;
  pointer-events: none;
}

.sb-pub-menu-overlay.is-open {
  pointer-events: auto;
}

.sb-pub-menu-overlay[hidden] {
  display: none !important;
}

.sb-pub-menu-backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(23, 24, 26, 0.34);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.sb-pub-menu-overlay.is-open .sb-pub-menu-backdrop {
  opacity: 1;
}

.sb-pub-menu-sheet {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 86%);
  display: flex;
  flex-direction: column;
  border: none;
  border-radius: 20px 0 0 20px;
  background: var(--sb-surface-cream, #f6f4ef);
  color: var(--sb-public-text);
  box-shadow: -12px 0 40px rgba(23, 24, 26, 0.12);
  transform: translateX(100%);
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}

.sb-pub-menu-overlay.is-open .sb-pub-menu-sheet {
  transform: translateX(0);
}

body.sb-pub-menu-open {
  overflow: hidden;
}

.sb-pub-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: max(18px, env(safe-area-inset-top)) 18px 12px;
  border-bottom: 1px solid var(--sb-border-light);
}

.sb-pub-menu-eyebrow {
  margin: 0;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sb-public-muted);
}

.sb-pub-menu-close {
  width: 44px;
  height: 44px;
  border: 1px solid var(--sb-border-light);
  border-radius: 999px;
  background: transparent;
  color: var(--sb-public-text);
  display: grid;
  place-items: center;
}

.sb-pub-menu-links {
  display: grid;
  gap: 8px;
  padding: 16px 18px max(24px, env(safe-area-inset-bottom));
}

.sb-pub-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--sb-border-light);
  background: #fff;
  color: var(--sb-public-text);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
}

.sb-pub-menu-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }

.sb-pub-menu-link--primary {
  background: var(--sb-lime);
  border-color: transparent;
  color: #17181a;
}

.sb-pub-back { text-decoration: none; }

.sb-pub-help {
  padding: 12px var(--sb-page-gutter) 40px;
}

.sb-pub-help h1 {
  margin: 0;
  font-size: clamp(34px, 9vw, 42px);
  line-height: 1.02;
  letter-spacing: -0.05em;
  font-weight: var(--sb-display-weight);
}

.sb-pub-help-lede {
  margin: 14px 0 24px;
  max-width: 36ch;
  color: var(--sb-public-muted);
  font-size: 16px;
  line-height: 1.55;
}

.sb-pub-faq {
  display: grid;
  gap: 10px;
}

.sb-pub-faq-item {
  border: 1px solid var(--sb-border-light);
  border-radius: 14px;
  background: #fff;
  padding: 0 16px;
}

.sb-pub-faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.35;
}

.sb-pub-faq-item summary::-webkit-details-marker { display: none; }

.sb-pub-faq-item p {
  margin: 0 0 16px;
  color: var(--sb-public-muted);
  font-size: 15px;
  line-height: 1.55;
}

.sb-pub-faq-item a {
  color: var(--sb-public-text);
  font-weight: 600;
}

.sb-pub-help-cta {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.sb-pub-hero {
  padding-inline: var(--sb-page-gutter);
  padding-top: 48px;
}

.sb-pub-title {
  margin: 0;
  max-width: 350px;
  font-size: clamp(48px, 13.5vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: var(--sb-display-weight);
}

.sb-pub-title .line { display: block; }
.sb-pub-title .accent { color: var(--sb-lime); }

.sb-pub-lede {
  margin: 28px 0 0;
  max-width: 340px;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.015em;
  font-weight: 450;
  color: var(--sb-public-muted);
}

.sb-pub-cta {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.sb-pub-btn {
  width: 100%;
  min-height: 56px;
  border-radius: 12px;
  padding-inline: 20px;
  justify-content: flex-start;
  font-size: var(--sb-button-size);
  line-height: var(--sb-button-line-height);
  letter-spacing: var(--sb-button-tracking);
  font-weight: var(--sb-button-weight);
}

.sb-pub-btn .grow { flex: 1; }
.sb-pub-btn svg {
  width: 22px !important;
  height: 22px !important;
  min-width: 22px;
  min-height: 22px;
  flex: 0 0 22px;
}

.sb-pub-btn-primary {
  background: var(--sb-lime);
  color: var(--sb-lime-ink);
}

.sb-pub-btn-primary:hover { background: var(--sb-lime-hover); }
.sb-pub-btn-primary:active { background: var(--sb-lime-active); }

.sb-pub-btn-secondary {
  background: transparent;
  color: var(--sb-public-text);
  border-color: rgba(11, 13, 15, 0.75);
}

.sb-pub-art {
  margin-top: 36px;
  width: calc(100% - 24px);
  margin-inline: auto;
  aspect-ratio: 1.35 / 1;
  display: grid;
  place-items: center;
}

.sb-pub-art-img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  aspect-ratio: 1.35 / 1;
  user-select: none;
  -webkit-user-drag: none;
}

.sb-pub-trust {
  margin: 24px 20px 0;
  padding: 18px 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--sb-border-light);
}

.sb-pub-trust-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 0 4px;
  font-size: 12px;
  line-height: 1.35;
  font-weight: 600;
}

.sb-pub-trust-item svg {
  width: 22px;
  height: 22px;
  color: var(--sb-lime);
}

.sb-pub-foot {
  margin-top: 24px;
  border-radius: 48px 48px 0 0;
  background: #090d13;
  color: var(--sb-text-primary);
  padding: 48px 24px calc(32px + env(safe-area-inset-bottom));
  text-align: center;
}

.sb-pub-foot p {
  margin: 0 0 10px;
  font-size: var(--sb-body-md-size);
  line-height: 1.45;
  font-weight: 550;
}

.sb-pub-foot-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--sb-text-secondary);
  font-size: var(--sb-body-sm-size);
  line-height: 1.4;
}

.sb-pub-foot-meta strong { color: var(--sb-lime); }

.sb-pub-flag {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex: 0 0 auto;
}

/* Motion initial state */
.sb-motion-prep [data-m] {
  opacity: 1;
  transform: none;
}

/* Development alignment grid (opt-in) */
html[data-dev-grid="1"] .sb-public-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background:
    linear-gradient(to right,
      transparent var(--sb-page-gutter),
      rgba(255, 0, 0, .17) var(--sb-page-gutter),
      rgba(255, 0, 0, .17) calc(var(--sb-page-gutter) + 1px),
      transparent calc(var(--sb-page-gutter) + 1px),
      transparent calc(100% - var(--sb-page-gutter) - 1px),
      rgba(255, 0, 0, .17) calc(100% - var(--sb-page-gutter) - 1px),
      rgba(255, 0, 0, .17) calc(100% - var(--sb-page-gutter)),
      transparent calc(100% - var(--sb-page-gutter))
    );
}

@media (max-width: 359px) {
  .sb-pub-nav,
  .sb-pub-hero { padding-inline: var(--sb-page-gutter-compact); }

  .sb-pub-title { font-size: clamp(42px, 12.5vw, 54px); }
  .sb-pub-lede { font-size: 15px; }
  .sb-pub-trust { margin-inline: 16px; }
}

@media (min-width: 430px) and (max-width: 767px) {
  .sb-public-shell { max-width: 480px; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .sb-public-shell { max-width: 720px; }
}

@media (min-width: 1024px) {
  .sb-public-shell {
    max-width: 1200px;
  }

  .sb-pub-nav,
  .sb-pub-hero,
  .sb-pub-trust,
  .sb-pub-foot {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sb-motion-prep [data-m] {
    opacity: 1 !important;
    transform: none !important;
  }
}