/* Tangible Lines — coming-soon landing page
   Light paper theme by default; [data-theme="dark"] restores the ink theme. */

* {
  box-sizing: border-box;
}

:root {
  --bg: #f7f5f0;
  --bg-alt: #f0ede5;
  --surface: #ffffff;
  --border: #e4dfd3;
  --border-strong: #b9b19e;
  --text: #1d2126;
  --text-soft: #59616d;
  --text-faint: #8b929d;
  --accent: #d8202c;
  --accent-hover: #b81b26;
  --accent-glow: rgba(216, 32, 44, 0.09);
  --header-bg: rgba(247, 245, 240, 0.88);
  --card-shadow: 0 10px 26px rgba(31, 26, 16, 0.08);
  --card-shadow-hover: 0 16px 34px rgba(31, 26, 16, 0.13);
  --viewer-bg: rgba(243, 241, 235, 0.97);
  --viewer-bar: #f2f0ea;
  --viewer-border: #ddd8cb;
  --stage-bg: #e7e3d9;
  --stage-grab: grab;
  --sheet-shadow: 0 14px 44px rgba(31, 26, 16, 0.22);
  --success: #2e7d42;
  --error: #b3261e;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0c0e12;
  --bg-alt: #0e1117;
  --surface: #12151b;
  --border: #232a36;
  --border-strong: #465064;
  --text: #e8eaee;
  --text-soft: #98a1ad;
  --text-faint: #5f6975;
  --accent: #e63946;
  --accent-hover: #ef4f5b;
  --accent-glow: rgba(230, 57, 70, 0.1);
  --header-bg: rgba(12, 14, 18, 0.82);
  --card-shadow: none;
  --card-shadow-hover: none;
  --viewer-bg: rgba(8, 10, 13, 0.96);
  --viewer-bar: #0e1117;
  --viewer-border: #1e242e;
  --stage-bg: #14171d;
  --sheet-shadow: 0 18px 70px rgba(0, 0, 0, 0.6);
  --success: #8fd6a0;
  --error: #f0a0a6;
  color-scheme: dark;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background-color 200ms ease, color 200ms ease;
}

.wrap {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
}

h1, h2, h3 {
  font-family: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', serif;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: 0.005em;
  color: var(--text);
}

h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: inherit; }

a { color: inherit; }

.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.section-lede {
  max-width: 640px;
  color: var(--text-soft);
  margin-bottom: 40px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 18px 0;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.domain {
  color: var(--text-faint);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

.brand {
  font-family: Georgia, 'Iowan Old Style', 'Palatino Linotype', serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand span {
  color: var(--accent);
  margin-left: 2px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-soft);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.theme-toggle svg { width: 17px; height: 17px; }

[data-theme="dark"] .icon-moon { display: none; }
:root:not([data-theme="dark"]) .icon-sun { display: none; }

/* ---------- hero ---------- */

.hero {
  padding: 96px 0 84px;
  background: radial-gradient(1100px 480px at 70% -10%, var(--accent-glow), transparent 62%), var(--bg);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 760px;
  text-align: center;
  margin: 0 auto;
}

.lede {
  color: var(--text-soft);
  font-size: 1.13rem;
  max-width: 640px;
  margin: 0 auto 34px;
}

.hero-points {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 26px;
  margin: 34px 0 0;
  padding: 0;
  color: var(--text-soft);
  font-size: 13px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-points li::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* ---------- signup ---------- */

.signup {
  display: flex;
  gap: 10px;
  max-width: 460px;
  margin: 0 auto;
}

.signup input {
  flex: 1;
  min-width: 0;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.signup input::placeholder { color: var(--text-faint); }

.signup input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.signup button {
  padding: 13px 22px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  white-space: nowrap;
}

.signup button:hover { background: var(--accent-hover); }

.signup-note {
  margin: 14px 0 0;
  color: var(--success);
  font-size: 14px;
  text-align: center;
}

.signup-note.error { color: var(--error); }

/* ---------- sections ---------- */

.gallery, .how, .quality, .pricing {
  padding: 84px 0;
  border-bottom: 1px solid var(--border);
}

.how { background: var(--bg-alt); }
.pricing { background: var(--bg-alt); }

/* ---------- gallery ---------- */

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: start;
}

.card {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  cursor: zoom-in;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.card:hover, .card:focus-visible {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
  outline: none;
}

.card-media {
  position: relative;
  background: #ffffff;
}

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

.card-hint {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(12, 14, 18, 0.78);
  color: #e8eaee;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
  pointer-events: none;
}

.card figcaption {
  padding: 20px 22px 24px;
}

.card-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.13em;
}

.card figcaption h3 { margin-bottom: 8px; }
.card figcaption p { margin: 0; color: var(--text-soft); font-size: 14.5px; }

.gallery-note {
  margin: 26px 0 0;
  color: var(--text-faint);
  font-size: 13px;
  text-align: center;
}

/* ---------- steps ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.steps li {
  padding: 26px 24px 28px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
}

.step-no {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 26px;
  font-weight: 600;
}

.steps p { margin: 0; color: var(--text-soft); font-size: 14.5px; }

/* ---------- quality ---------- */

.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.quality-item {
  padding: 26px 24px 28px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
}

.quality-item p { margin: 0; color: var(--text-soft); font-size: 14.5px; }

.quality-item h3::before {
  content: '';
  display: block;
  width: 26px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--accent);
  border-radius: 2px;
}

/* ---------- pricing ---------- */

.price-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.price-card {
  position: relative;
  padding: 30px 26px 32px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
}

.price-card-featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-glow), transparent 55%), var(--surface);
}

.price-flag {
  position: absolute;
  top: -11px;
  left: 24px;
  margin: 0;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.price-dims {
  color: var(--text-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin: 0 0 18px;
}

.price {
  margin: 0 0 20px;
}

.price-amount {
  font-family: Georgia, serif;
  font-size: 2.3rem;
  font-weight: 600;
}

.price-note {
  display: block;
  color: var(--text-faint);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.price-card ul {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  color: var(--text-soft);
  font-size: 14px;
}

.price-card li {
  padding: 7px 0;
  border-top: 1px solid var(--border);
}

.pricing-note {
  margin: 26px 0 0;
  color: var(--text-faint);
  font-size: 13px;
  text-align: center;
}

/* ---------- closing CTA ---------- */

.cta {
  padding: 96px 0 110px;
  text-align: center;
  background: radial-gradient(900px 380px at 50% 115%, var(--accent-glow), transparent 65%), var(--bg);
}

.cta p { color: var(--text-soft); max-width: 520px; margin: 0 auto 28px; }

/* ---------- footer ---------- */

.site-footer {
  padding: 26px 0;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 12.5px;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  justify-content: space-between;
}

.footer-row p { margin: 0; }

/* ---------- viewer ---------- */

.viewer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  background: var(--viewer-bg);
}

.viewer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: var(--viewer-bar);
  border-bottom: 1px solid var(--viewer-border);
  flex-wrap: wrap;
}

.viewer-id {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  min-width: 0;
}

.viewer-title {
  margin: 0;
  font-family: Georgia, serif;
  font-size: 15.5px;
  font-weight: 600;
}

.viewer-stocks {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.stocks-label {
  color: var(--text-faint);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-right: 2px;
}

.stock {
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1px solid var(--viewer-border);
  border-radius: 6px;
  background: var(--stock);
  cursor: pointer;
}

.stock:hover { transform: translateY(-1px); }

.stock[aria-pressed="true"] {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- inks strip (second row of the viewer bar) ---- */

.viewer-inks {
  flex-basis: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: 10px;
  margin-top: 8px;
  border-top: 1px solid var(--viewer-border);
}

.ink-group {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.ink-label {
  color: var(--text-faint);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ink-swatches {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.stock-sm {
  width: 15px;
  height: 15px;
  padding: 0;
  border: 1px solid var(--viewer-border);
  border-radius: 5px;
  background: var(--stock);
  cursor: pointer;
}

.stock-sm:hover { transform: translateY(-1px); }

.stock-sm[aria-pressed="true"] {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.ink-asplotted {
  width: 15px;
  height: 15px;
  padding: 0;
  border: 1px dashed var(--border-strong);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ink-dot {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--ink);
}

.ink-asplotted[aria-pressed="true"] {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-style: solid;
}

.ink-free {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--viewer-border);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.ink-free::-webkit-color-swatch-wrapper { padding: 2px; }
.ink-free::-webkit-color-swatch { border: none; border-radius: 3px; }

#inks-reset { margin-left: auto; }

.viewer-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.v-btn {
  min-width: 34px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.v-btn:hover { border-color: var(--border-strong); }

.v-btn-text { font-size: 13px; }

.v-btn-close:hover { border-color: var(--accent); color: var(--accent); }

.viewer-zoom {
  min-width: 48px;
  text-align: center;
  color: var(--text-soft);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

.viewer-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.viewer-stage {
  position: relative;
  flex: 1;
  overflow: hidden;
  touch-action: none;
  background: var(--stage-bg);
  cursor: grab;
}

.viewer-stage.grabbing { cursor: grabbing; }

.viewer-sheet {
  position: absolute;
  left: 0;
  top: 0;
  background: #ffffff;
  box-shadow: var(--sheet-shadow);
  border-radius: 2px;
  transform-origin: 0 0;
}

.viewer-sheet svg,
.viewer-sheet img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 2px;
}

.viewer-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--text-soft);
  background: var(--stage-bg);
}

.viewer-loading p { margin: 0; font-size: 14px; }

.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.viewer-hint {
  margin: 0;
  padding: 10px 18px;
  background: var(--viewer-bar);
  border-top: 1px solid var(--viewer-border);
  color: var(--text-faint);
  font-size: 12.5px;
  text-align: center;
}

.viewer-hint kbd {
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  font: inherit;
  font-size: 11.5px;
}

/* ---------- responsive ---------- */

@media (max-width: 880px) {
  .cards, .steps, .quality-grid, .price-cards {
    grid-template-columns: 1fr;
  }

  .hero { padding: 72px 0 64px; }

  .gallery, .how, .quality, .pricing { padding: 64px 0; }

  .signup { flex-direction: column; }

  .footer-row { justify-content: center; text-align: center; }
}