/* ========================================================================
   Scannr — design tokens
   System-font-first; IBM Plex swaps in via @font-face below with swap.
   ====================================================================== */

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('assets/fonts/IBMPlexSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('assets/fonts/IBMPlexSans-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
:root {
  /* Light */
  --bg: #FAF7F2;
  --surface: #FFFFFF;
  --surface-2: #F3EFE8;
  --text: #1C1A17;
  --text-dim: #6B645A;
  --border: #E8E2D8;
  --accent: #B8391E;
  --accent-hover: #9E2F18;
  --accent-text: #FFFFFF;
  --success: #2D7A4A;
  --error: #B8391E;

  /* Layout */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --gap-xs: 4px;
  --gap-sm: 8px;
  --gap: 16px;
  --gap-lg: 24px;
  --gap-xl: 40px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);

  /* Type */
  --font-ui: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #16130F;
  --surface: #211C16;
  --surface-2: #2A241D;
  --text: #F2EDE6;
  --text-dim: #A39B8E;
  --border: #2F2920;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #16130F;
    --surface: #211C16;
    --surface-2: #2A241D;
    --text: #F2EDE6;
    --text-dim: #A39B8E;
    --border: #2F2920;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  }
}

/* ====================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; }
.accent { color: var(--accent); }

button { font: inherit; color: inherit; }

/* ===== Header ============================================================ */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--gap-sm) var(--gap);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}
.brand-name { font-size: 18px; }

.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  width: 40px; height: 40px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  color: var(--text-dim);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.icon-btn:hover, .icon-btn:focus-visible {
  background: var(--surface-2);
  color: var(--text);
  outline: none;
}

.icon-btn-lg {
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  border: none;
  border-radius: 999px;
  width: 48px; height: 48px;
  display: inline-grid;
  place-items: center;
  font-size: 20px;
  cursor: pointer;
}

/* ===== Main / views ====================================================== */

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--gap);
  gap: var(--gap);
}

.view { display: flex; flex-direction: column; gap: var(--gap-lg); }
.view[hidden] { display: none; }

/* ===== Privacy badge ===================================================== */

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-sm);
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
  font-feature-settings: "tnum" 1;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(45, 122, 74, 0.15);
}

/* ===== Home view ========================================================= */

.hero-sub {
  font-size: 17px;
  color: var(--text-dim);
  margin: 0;
}

/* The home view is the above-the-fold tool screen. Lock it to the viewport
   height (minus header + main padding) so the content sections below it
   require a scroll to reach. Tuned against the rendered header height. */
.view-home {
  align-items: center;
  text-align: center;
  gap: var(--gap);
  padding-top: var(--gap);
  min-height: calc(100svh - 90px);
}
.view-home .hero-sub { max-width: 420px; }
.view-home .privacy-badge { align-self: center; }

/* One deliberate brand tick between the privacy chip and the headline. */
.accent-rule {
  width: 40px;
  height: 2px;
  border-radius: 1px;
  background: var(--accent);
}

/* The shutter + upload take the visual majority of the fold. */
.hero-action {
  flex: 1 1 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--gap-lg);
}

/* Downward affordance pinned at the bottom of the fold. */
.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  text-decoration: none;
  padding: var(--gap-sm) var(--gap);
  border-radius: 999px;
  transition: color 0.15s;
}
.scroll-cue:hover,
.scroll-cue:focus-visible { color: var(--accent); outline: none; }
@media (prefers-reduced-motion: no-preference) {
  .scroll-cue { animation: cue-bob 2.4s ease-in-out infinite; }
}
@keyframes cue-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}

.capture-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--gap-sm) 0 0;
}
.capture-hero-ring {
  width: 128px; height: 128px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  display: grid;
  place-items: center;
  border: 4px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent), 0 10px 30px rgba(184, 57, 30, 0.35);
  transition: transform 0.12s ease, box-shadow 0.15s;
}
.capture-hero:hover .capture-hero-ring {
  box-shadow: 0 0 0 2px var(--accent), 0 12px 34px rgba(184, 57, 30, 0.45);
}
.capture-hero:active .capture-hero-ring { transform: scale(0.95); }
.capture-hero:focus-visible { outline: none; }
.capture-hero:focus-visible .capture-hero-ring {
  box-shadow: 0 0 0 2px var(--accent), 0 0 0 6px rgba(184, 57, 30, 0.3);
}
.capture-hero-label { font-size: 18px; font-weight: 600; }

.dropzone {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap);
  width: 100%;
  padding: var(--gap) var(--gap-lg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s, transform 0.12s ease;
}
.dropzone:hover { border-color: var(--accent); background: var(--surface-2); }
.dropzone:active { transform: translateY(1px); }
.dropzone:focus-within { border-color: var(--accent); outline: 2px solid var(--accent); outline-offset: 2px; }
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dropzone-icon-sm {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--accent);
  font-size: 20px;
  flex: 0 0 auto;
}
.dropzone:hover .dropzone-icon-sm { background: var(--bg); }
.dropzone-text { display: flex; flex-direction: column; gap: 1px; }
.dropzone-title-sm { font-size: 15px; font-weight: 600; }
.dropzone-sub { font-size: 13px; color: var(--text-dim); }

/* ===== Camera view ======================================================= */

.view-camera {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 50;
  padding: 0;
  gap: 0;
  display: flex;
  flex-direction: column;
}
.view-camera[hidden] { display: none; }

.camera-frame {
  position: relative;
  flex: 1;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.camera-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}
.camera-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 14px;
  pointer-events: none;
}
.camera-loading[hidden] { display: none; }
.capture-badge {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 3;
}
.capture-badge[hidden] { display: none; }
.focus-ring {
  position: absolute;
  width: 64px; height: 64px;
  margin: -32px 0 0 -32px;
  border: 2px solid #fff;
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
  pointer-events: none;
  z-index: 4;
}
.focus-ring[hidden] { display: none; }
.focus-ring.anim { animation: focus-pop 0.45s ease-out; }
@keyframes focus-pop {
  0%   { transform: scale(1.5); opacity: 0; }
  40%  { opacity: 1; }
  100% { transform: scale(1.0); opacity: 1; }
}
.camera-error {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.85);
  padding: var(--gap-lg);
  text-align: center;
}
.camera-error[hidden] { display: none; }
.camera-error-msg {
  color: #fff;
  font-size: 16px;
  margin: 0 0 var(--gap);
  max-width: 320px;
  line-height: 1.4;
}
.camera-error-actions {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.camera-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-bottom) + 20px) 32px 32px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
}

.shutter {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: transform 0.1s;
  box-shadow: 0 0 0 2px #fff inset;
}
.shutter:active { transform: scale(0.94); }

/* ===== Edit view (corner pick) =========================================== */

.view-edit { padding: 0; gap: 0; flex: 1; }
.edit-stage {
  position: relative;
  flex: 1;
  background: #0a0907;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: var(--gap);
  min-height: 60vh;
  touch-action: none; /* prevent scroll while dragging on mobile */
}
.edit-stage canvas {
  max-width: 100%;
  max-height: 68vh;
  display: block;
  background: #000;
}
.edit-outline {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.edit-outline polygon {
  fill: rgba(184, 57, 30, 0.10);
  stroke: var(--accent);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.6));
}
/* 44x44 transparent hit area (unchanged for accessibility); the visible mark
   is an L-bracket whose vertex sits exactly on the corner point, like a real
   document scanner's crop overlay rather than a generic 4-dot UI. */
.corner-handle {
  position: absolute;
  width: 44px; height: 44px;
  background: rgba(0, 0, 0, 0.001);
  transform: translate(-50%, -50%);
  cursor: grab;
  touch-action: none;
  z-index: 2;
}
.corner-handle::before {
  content: '';
  position: absolute;
  width: 24px; height: 24px;
  border: 0 solid var(--accent);
  filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.55));
  transition: width 0.12s ease, height 0.12s ease;
}
/* Vertex pinned to the handle centre (= corner point); arms run inward. */
.corner-handle[data-corner="0"]::before { top: 50%; left: 50%;  border-top-width: 2px;    border-left-width: 2px;  }
.corner-handle[data-corner="1"]::before { top: 50%; right: 50%; border-top-width: 2px;    border-right-width: 2px; }
.corner-handle[data-corner="2"]::before { bottom: 50%; right: 50%; border-bottom-width: 2px; border-right-width: 2px; }
.corner-handle[data-corner="3"]::before { bottom: 50%; left: 50%;  border-bottom-width: 2px; border-left-width: 2px;  }
.corner-handle:active { cursor: grabbing; }
.corner-handle:active::before { width: 28px; height: 28px; }
.loupe {
  position: absolute;
  width: 128px; height: 128px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
  background: #000;
  pointer-events: none;
  z-index: 6;
}
.loupe[hidden] { display: none; }
.edit-queue {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 999px;
  pointer-events: none;
}
.edit-actions {
  display: flex;
  gap: var(--gap);
  padding: var(--gap);
}
.edit-actions .btn { flex: 1; }

/* ===== Adjust view (enhance modes) ======================================= */

.view-adjust { padding: 0; gap: 0; flex: 1; }
.adjust-stage {
  position: relative;
  flex: 1;
  background: #0a0907;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: var(--gap);
  min-height: 50vh;
}
.adjust-stage canvas {
  max-width: 100%;
  max-height: 55vh;
  display: block;
  background: #fff;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}
.adjust-spinner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 14px;
  background: rgba(0, 0, 0, 0.4);
  pointer-events: none;
}
/* display:grid above beats the UA [hidden]{display:none}, so the spinner
   ignored adjustSpinner.hidden and never went away. Restore the binding. */
.adjust-spinner[hidden] { display: none; }

.mode-picker {
  display: flex;
  gap: var(--gap-sm);
  padding: var(--gap-sm) var(--gap);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.mode-picker::-webkit-scrollbar { display: none; }
.mode-btn {
  flex: 0 0 auto;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.mode-btn:hover { border-color: var(--text-dim); }
.mode-btn[aria-selected="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

.adjust-actions {
  display: flex;
  gap: var(--gap);
  padding: var(--gap);
}
.adjust-actions .btn { flex: 1; }

/* ===== Export view ======================================================= */

.view-export { gap: 0; padding: 0; flex: 1; }
.export-header {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  padding: var(--gap-sm) var(--gap);
  border-bottom: 1px solid var(--border);
}
.export-title { font-size: 18px; margin: 0; font-weight: 600; }
.export-form {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg);
  padding: var(--gap-lg) var(--gap);
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  border: none;
  padding: 0;
  margin: 0;
}
.field-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
}
.field input[type="text"] {
  font: inherit;
  font-size: 16px;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  width: 100%;
}
.field input[type="text"]:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.size-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-sm);
}
.size-grid label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.size-grid label:hover { border-color: var(--text-dim); }
.size-grid input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  position: absolute;
  pointer-events: none;
  opacity: 0;
}
.size-grid label:has(input:checked) {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

.export-summary {
  font-size: 12px;
  color: var(--text-dim);
  text-align: center;
  margin: 0;
}

.export-actions {
  display: flex;
  gap: var(--gap);
  padding: var(--gap);
  border-top: 1px solid var(--border);
}
.export-actions .btn { flex: 1; }
#exportJpg { flex: 0 0 100px; }

/* ===== Buttons =========================================================== */

.btn {
  padding: 14px var(--gap-lg);
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: background 0.15s, border-color 0.15s, transform 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--surface-2); }

/* ===== Pages view ======================================================== */

.pages-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: var(--gap-sm) 0;
}
.pages-count { flex: 1; text-align: center; font-size: 14px; color: var(--text-dim); }
.pages-header-spacer { width: 40px; flex: 0 0 40px; }

.thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--gap);
  padding-bottom: 96px;
}
.thumb {
  position: relative;
  aspect-ratio: 0.77;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.thumb canvas, .thumb img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
.thumb .thumb-index {
  position: absolute;
  top: 6px; left: 6px;
  font-size: 11px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
}
.thumb .thumb-del {
  position: absolute;
  top: 4px; right: 4px;
  width: 24px; height: 24px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.55);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 14px;
  line-height: 1;
}

.pages-footer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: var(--gap);
  padding-bottom: calc(env(safe-area-inset-bottom) + var(--gap));
  background: linear-gradient(to top, var(--bg) 70%, transparent);
  display: flex;
  gap: var(--gap);
  justify-content: center;
}
.pages-footer .btn { flex: 1; max-width: 220px; }

/* ===== Toast ============================================================= */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 100;
  max-width: calc(100vw - 32px);
}
.toast[hidden] { display: none; }
.toast.toast-error { border-color: var(--error); }

/* ===== Update pill ======================================================= */

.update-pill {
  position: fixed;
  left: 50%;
  bottom: 88px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  background: var(--text);
  color: var(--bg);
  padding: 8px 8px 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 150;
  box-shadow: var(--shadow);
  max-width: calc(100vw - 32px);
}
.update-pill[hidden] { display: none; }
.update-pill button {
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  background: var(--accent);
  color: var(--accent-text);
}
.update-pill #updateDismiss {
  background: transparent;
  color: var(--bg);
  padding: 6px 10px;
  font-size: 18px;
  line-height: 1;
}

/* ===== Drop overlay ====================================================== */

.drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(184, 57, 30, 0.08);
  border: 3px dashed var(--accent);
  z-index: 200;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.drop-overlay[hidden] { display: none; }
.drop-overlay-inner {
  background: var(--surface);
  border: 1px solid var(--accent);
  padding: 24px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 18px;
  color: var(--accent);
}

/* ===== Content pages & home SEO sections ================================ */

/* SEO H1: now the visible supporting tagline beneath the privacy chip.
   Small and quiet so the action area carries the visual weight. */
.page-h1 {
  margin: 0;
  max-width: 30ch;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--text-dim);
}

/* Brand becomes a link on content pages — keep it looking like the wordmark. */
.brand { color: inherit; text-decoration: none; }

/* Shared section frame, aligned to the same column as the scanner UI. */
.how-it-works,
.why,
.ios-card,
.faq {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--gap-lg) var(--gap);
}
.how-it-works h2,
.why h2,
.ios-card h2,
.faq h2 {
  font-size: 24px;
  letter-spacing: -0.01em;
  margin: 0 0 var(--gap);
}
.lede {
  color: var(--text-dim);
  font-size: 18px;
  margin: 0 0 var(--gap-lg);
}

/* How it works — numbered steps */
.steps {
  list-style: none;
  counter-reset: step;
  margin: 0; padding: 0;
  display: flex; flex-direction: column;
  gap: var(--gap-lg);
}
.steps > li {
  position: relative;
  padding-left: 52px;
  counter-increment: step;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-weight: 600;
}
.steps h3 { margin: 0 0 var(--gap-xs); font-size: 17px; }
.steps p { margin: 0; color: var(--text-dim); }

/* Why I built this */
.why p { margin: 0 0 var(--gap); max-width: 62ch; }
.why a { color: var(--accent); }
.signature { color: var(--text-dim); font-style: italic; }

/* iOS upsell card */
.ios-card {
  background: var(--surface);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin: var(--gap-lg) auto;
  padding: var(--gap-lg);
}
.ios-card ul {
  margin: var(--gap) 0;
  padding-left: 1.2em;
  display: flex; flex-direction: column; gap: var(--gap-sm);
}
.ios-card li { color: var(--text-dim); }
.ios-card li strong { color: var(--text); }
.cta { margin: var(--gap-lg) 0 0; }
.btn-ios {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius);
  transition: background 0.15s;
}
.btn-ios:hover, .btn-ios:focus-visible { background: var(--accent-hover); outline: none; }

/* FAQ — native details/summary, no JS */
.faq details {
  border-bottom: 1px solid var(--border);
  padding: var(--gap) 0;
}
.faq details:first-of-type { border-top: 1px solid var(--border); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
}
.faq summary::-webkit-details-marker { display: none; }
/* Custom +/x marker: a "+" that rotates 45deg into an "x" when expanded. */
.faq summary::after {
  content: "+";
  color: var(--text-dim);
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  transform: rotate(0deg);
  transition: transform 0.2s ease, color 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
.faq summary:hover { color: var(--accent); }
.faq summary:hover::after { color: var(--accent); }
.faq details p { margin: var(--gap-sm) 0 0; color: var(--text-dim); max-width: 62ch; }
.faq a { color: var(--accent); }

/* Prose pages (privacy / contact) */
.prose {
  flex: 1;
  width: 100%;
  max-width: 65ch;
  margin: 0 auto;
  padding: var(--gap-xl) var(--gap);
  font-size: 17px;
  line-height: 1.65;
}
.prose h1 { font-size: 30px; letter-spacing: -0.02em; margin: 0 0 var(--gap-sm); }
.prose h2 { font-size: 20px; margin: var(--gap-xl) 0 var(--gap-sm); }
.prose p { margin: 0 0 var(--gap); }
.prose ul {
  margin: 0 0 var(--gap);
  padding-left: 1.3em;
  display: flex; flex-direction: column; gap: var(--gap-xs);
}
.prose a { color: var(--accent); }
.prose .lede { font-size: 19px; margin-bottom: var(--gap-lg); }
.prose .meta { color: var(--text-dim); font-size: 15px; margin-top: var(--gap-xl); }

/* Site footer (all pages) */
.site-footer {
  width: 100%;
  max-width: 720px;
  margin: var(--gap-xl) auto 0;
  padding: var(--gap-lg) var(--gap) var(--gap-xl);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  font-size: 14px;
  color: var(--text-dim);
}
.footer-brand { margin: 0; color: var(--text); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-lg);
}
.footer-nav a { color: var(--text-dim); text-decoration: none; }
.footer-nav a:hover { color: var(--accent); }
.footer-meta { margin: 0; }
.footer-meta a { color: var(--text-dim); }

/* While a working view (camera/edit/adjust/export/pages) is active, the
   below-the-fold home content + footer must not show or take layout space. */
body.in-app .how-it-works,
body.in-app .why,
body.in-app .ios-card,
body.in-app .faq,
body.in-app .site-footer { display: none; }