/* ── Design tokens ── */
:root {
  --bg-dark:    #1C1917;
  --bg-surface: #26211E;
  --bg-warm:    #F6F4F1;
  --border-dark: #3D3733;
  --border-warm: #E3DFDA;
  --text-warm:   #F6F4F1;
  --text-dark:   #1C1917;
  --muted-dark:  #A8A29E;
  --muted-warm:  #78716C;
  --accent:      #C2522A;
  --accent-h:    #A8431F;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --max-w: 1100px;
  --px: clamp(20px, 5vw, 72px);
  --radius: 12px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-warm);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--px);
  background: rgba(28, 25, 23, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.brand-icon { border-radius: 6px; }
.btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.15s;
}
.btn-nav:hover { background: var(--accent-h); }

/* ── Hero ── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: calc(60px + 80px) var(--px) 0;
}
.hero-text { max-width: 640px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: rgba(194, 82, 42, 0.12);
  border: 1px solid rgba(194, 82, 42, 0.28);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}
h1 {
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-warm);
  margin-bottom: 22px;
}
.hero-sub {
  font-size: 1.0625rem;
  color: var(--muted-dark);
  line-height: 1.65;
  max-width: 48ch;
  margin: 0 auto 36px;
}
.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.btn-primary {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  line-height: 1.4;
  transition: background 0.15s, transform 0.12s;
}
.btn-primary:hover { background: var(--accent-h); transform: translateY(-1px); }
.btn-meta {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.65;
  margin-top: 3px;
  letter-spacing: 0.01em;
}
.btn-ghost {
  font-size: 0.9rem;
  color: var(--muted-dark);
  transition: color 0.15s;
}
.btn-ghost:hover { color: var(--text-warm); }

/* ── App frame ── */
.app-frame {
  margin-top: 60px;
  width: 100%;
  max-width: 940px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-dark);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04),
    0 24px 80px rgba(0,0,0,0.55);
}
.frame-chrome {
  height: 36px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 0;
}
.chrome-dots { display: flex; gap: 6px; flex-shrink: 0; }
.chrome-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}
.chrome-title {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted-dark);
  font-weight: 500;
  margin-right: 28px; /* visual centering offset for dots */
}

/* ── Mockup panels ── */
.frame-body {
  display: grid;
  grid-template-columns: 184px 1fr 160px;
  height: 380px;
}

/* Sidebar */
.mock-sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border-dark);
  padding: 14px 0;
  overflow: hidden;
}
.mock-section-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dark);
  padding: 0 14px 10px;
}
.mock-person {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px;
  margin: 0 6px;
  border-radius: 7px;
}
.mock-person.active { background: rgba(194, 82, 42, 0.12); }
.mock-medallion {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: hsl(var(--h), var(--s), var(--l));
  flex-shrink: 0;
}
.mock-person.active .mock-medallion {
  box-shadow: 0 0 0 2px var(--accent);
}
.mock-pname { font-size: 0.75rem; font-weight: 600; color: var(--text-warm); }
.mock-pcount { font-size: 0.625rem; color: var(--muted-dark); margin-top: 1px; }
.mock-divider { height: 1px; background: var(--border-dark); margin: 8px 14px; }
.mock-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 0.6875rem;
  color: var(--muted-dark);
}
.mock-badge {
  background: rgba(194, 82, 42, 0.18);
  color: var(--accent);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 100px;
}

/* Main grid */
.mock-main {
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.mock-toolbar {
  height: 36px;
  border-bottom: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  padding: 0 12px;
}
.mock-count { font-size: 0.6875rem; color: var(--muted-dark); }
.mock-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 8px;
  overflow: hidden;
}
.mock-photo {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  aspect-ratio: 1;
  overflow: hidden;
}
.mock-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.88;
}
.mock-photo.selected {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* Detail panel */
.mock-detail {
  background: var(--bg-surface);
  border-left: 1px solid var(--border-dark);
  padding: 12px;
  overflow: hidden;
}
.mock-detail-photo {
  width: 100%;
  aspect-ratio: 1;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  margin-bottom: 14px;
  overflow: hidden;
}
.mock-detail-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.92;
}
.mock-who-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: 8px;
}
.mock-who-faces { display: flex; margin-bottom: 12px; }
.mock-who-medallion {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: hsl(var(--h), var(--s), var(--l));
  border: 2px solid var(--bg-surface);
}
.mock-who-medallion + .mock-who-medallion { margin-left: -8px; }
.mock-meta { display: flex; flex-direction: column; gap: 5px; }
.mock-meta-row { font-size: 0.6875rem; color: var(--muted-dark); }
.mock-meta-icon { margin-right: 4px; }

/* ── Trust bar ── */
.trust {
  background: var(--bg-warm);
  padding: 64px var(--px);
  margin-top: 80px;
}
.trust-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px 28px;
}
.trust-item { display: flex; gap: 14px; align-items: flex-start; }
.trust-icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.trust-item strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.trust-item span { font-size: 0.8125rem; color: var(--muted-warm); line-height: 1.55; }

/* ── How it works ── */
.how {
  background: var(--bg-warm);
  padding: 80px var(--px);
  border-top: 1px solid var(--border-warm);
}
.how-inner { max-width: var(--max-w); margin: 0 auto; }
.how h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.025em;
  margin-bottom: 52px;
}
.steps { list-style: none; display: flex; flex-direction: column; gap: 44px; }
.step { display: flex; gap: 28px; align-items: flex-start; }
.step-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  width: 26px;
  padding-top: 3px;
}
.step-body h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.step-body p {
  font-size: 0.9375rem;
  color: var(--muted-warm);
  line-height: 1.65;
  max-width: 56ch;
}

/* ── Requirements ── */
.requirements {
  background: var(--bg-warm);
  padding: 80px var(--px);
  border-top: 1px solid var(--border-warm);
}
.req-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.requirements h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}
.req-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.req-list li { font-size: 0.9375rem; color: var(--muted-warm); line-height: 1.5; }
.req-list strong { color: var(--text-dark); font-weight: 600; margin-right: 6px; }

/* ── Download section ── */
.download-section {
  background: var(--bg-dark);
  padding: 100px var(--px);
  text-align: center;
}
.download-inner { max-width: 540px; margin: 0 auto; }
.dl-icon { margin: 0 auto 24px; border-radius: 18px; }
.download-section h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.download-section > .download-inner > p {
  color: var(--muted-dark);
  font-size: 1rem;
  margin-bottom: 36px;
}
.dl-actions { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.dl-signing-note {
  margin-top: 20px;
  font-size: 0.8125rem;
  color: var(--muted-dark);
}
.dl-signing-note a { color: inherit; text-decoration: underline; }
.btn-large { padding: 18px 36px; font-size: 1.0625rem; border-radius: var(--radius); }
.btn-link {
  font-size: 0.875rem;
  color: var(--muted-dark);
  transition: color 0.15s;
}
.btn-link:hover { color: var(--text-warm); }

/* ── Footer ── */
footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-dark);
  padding: 32px var(--px);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--accent);
}
.footer-brand img { border-radius: 5px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a {
  font-size: 0.8125rem;
  color: var(--muted-dark);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text-warm); }
.footer-note {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--muted-dark);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .trust-inner { grid-template-columns: repeat(2, 1fr); }
  .req-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-note { margin-left: 0; width: 100%; }
}
@media (max-width: 700px) {
  .frame-body { grid-template-columns: 160px 1fr; }
  .mock-detail { display: none; }
}
@media (max-width: 500px) {
  .trust-inner { grid-template-columns: 1fr; gap: 24px; }
  .frame-body { grid-template-columns: 1fr; }
  .mock-sidebar { display: none; }
  .mock-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 375px) {
  h1 { font-size: 2.125rem; }
}