/* Hallmark · theme: coral (manual) · genre: modern-minimal · job: sign up · signature: Kad Sasaran Kohort */
/* Hallmark · critique: Coral cotton stationery on a daylight desk pairs warm paper ledgers with Geist Mono tabular figures for thesoloz. */

:root {
  --color-paper: oklch(97% 0.006 55);
  --color-paper-2: oklch(94.5% 0.007 55);
  --color-paper-3: oklch(91.5% 0.009 55);
  --color-ink: oklch(21% 0.012 38);
  --color-ink-2: oklch(29% 0.013 40);
  --color-muted: oklch(46% 0.013 45);
  --color-rule: oklch(87% 0.009 55);
  --color-rule-2: oklch(80% 0.011 55);
  --color-accent: oklch(74% 0.125 30);
  --color-accent-ink: oklch(21% 0.012 38);
  --color-accent-2: oklch(54% 0.165 29);
  --color-focus: oklch(54% 0.17 30);
  --color-cotton: oklch(98.8% 0.0045 80);
  --color-desk: oklch(94.3% 0.008 64);
  --color-print: oklch(23% 0.012 38);
  --color-board: oklch(22% 0.011 40);
  --color-board-type: oklch(96.5% 0.006 70);
  --color-board-muted: oklch(76% 0.01 60);
  --color-paid: oklch(55.5% 0.15 33);

  --tex-cotton: url("assets/cotton.svg");
  --tex-desk: url("assets/felt.svg");
  --shade: 32% 0.03 50;
  --lit: 100% 0.005 80;
  --deep: 7% 0.01 40;

  --font-display: "General Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body: var(--font-display);
  --font-outlier: "Geist Mono", ui-monospace, SFMono-Regular, monospace;

  --text-display: clamp(2.15rem, 4.1vw, 3.35rem);
  --text-h2: clamp(1.55rem, 2.5vw, 2.15rem);
  --text-h3: 1.15rem;
  --text-body: 1rem;
  --text-small: 0.875rem;

  --tracking-display: -0.03em;
  --display-weight: 600;
  --container: 70rem;
  --radius-card: 8px;
  --radius-input: 6px;
  --radius-stock: 8px;
  --radius-groove: 12px;
  --space-2xs: 0.25rem;
  --space-xs: 0.375rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;

  --shadow-card: 0 1px 2px oklch(20% 0.01 35 / 0.05);
  --edge-stock: inset 0 1px 0 oklch(var(--lit) / 0.9), inset 0 -1px 0 oklch(var(--shade) / 0.07), 0 0 0 0.5px oklch(var(--shade) / 0.22), 0 1px 0 oklch(var(--shade) / 0.12);
  --cast-stock: 6px 5px 10px -6px oklch(var(--shade) / 0.3);
  --cast-stock-lift: 12px 10px 18px -8px oklch(var(--shade) / 0.3);
  --cast-deep: 12px 14px 26px -10px oklch(var(--deep) / 0.55);
  --press-groove: inset 1px 1.5px 2px oklch(var(--shade) / 0.16), inset -1px -1px 0 oklch(var(--lit) / 0.9), 0 0 0 0.5px oklch(var(--shade) / 0.2);

  --dur-short: 140ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: clip; }
html {
  scroll-behavior: smooth;
  scrollbar-color: var(--color-rule-2) var(--color-paper);
}
body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.58;
  color: var(--color-ink);
  background: var(--color-paper);
  caret-color: var(--color-accent-2);
  -webkit-font-smoothing: antialiased;
}
::selection {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  color: var(--color-ink);
  letter-spacing: var(--tracking-display);
  line-height: 1.08;
  margin: 0;
  overflow-wrap: break-word;
  text-wrap: balance;
  min-width: 0;
}
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); letter-spacing: -0.015em; line-height: 1.24; }
p { margin: 0; color: var(--color-ink-2); }
a { color: var(--color-ink); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--color-accent-2); }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--space-md);
}

.fig {
  font-family: var(--font-outlier);
  font-variant-numeric: tabular-nums;
}

.desk {
  background-color: var(--color-desk);
  background-image: radial-gradient(85% 115% at 4% 25%, var(--color-cotton), transparent 62%), var(--tex-desk);
  border-bottom: 1px solid var(--color-rule);
}

.stock {
  background-color: var(--color-cotton);
  background-image: linear-gradient(105deg, var(--color-cotton), transparent 48%), var(--tex-cotton);
  color: var(--color-print);
  border-radius: var(--radius-stock);
  box-shadow: var(--edge-stock), var(--cast-stock);
}

.board {
  background: var(--color-board);
  color: var(--color-board-type);
}
.board h2, .board h3, .board p { color: var(--color-board-type); }
.board .muted { color: var(--color-board-muted); }

/* Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 var(--space-md);
  border: 0;
  border-radius: var(--radius-stock);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.btn--ink {
  background: var(--color-board);
  color: var(--color-board-type);
  text-shadow: 0 -0.75px 0 var(--color-ink);
  box-shadow: var(--cast-stock);
}
.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-rule-2);
}
.btn--sm { min-height: 38px; padding: 0 0.9rem; font-size: var(--text-small); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.stamp-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2xs) 0.6rem;
  border: 1px solid var(--color-paid);
  border-radius: 4px;
  color: var(--color-paid);
  font-size: 0.8125rem;
  font-weight: 600;
  transform: rotate(-1.5deg);
}

.muted { color: var(--color-muted); }
.small { font-size: var(--text-small); }

/* Header / Nav */
.site-hdr {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-rule);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 64px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--color-ink);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-links a:not(.btn) {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: none;
}
.nav-links a:not(.btn):hover { color: var(--color-ink); }

/* Hero */
.hero {
  padding-block: clamp(2.5rem, 5vw, 4.25rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-xl);
  align-items: center;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  min-width: 0;
}
.hero-lead {
  font-size: 1.08rem;
  max-width: 42ch;
  color: var(--color-ink-2);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-xs);
  font-size: var(--text-small);
  color: var(--color-muted);
}

/* Countdown grid */
.cd-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-xs);
}
.cd-cell {
  padding: var(--space-xs);
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  text-align: center;
}
.cd-cell b { display: block; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.cd-cell span { font-size: 0.78rem; color: var(--color-muted); }

/* Stationery Ledger */
.ledger {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.ledger-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--color-rule);
}
.ledger-rows {
  display: grid;
  gap: 0.65rem;
}
.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.55rem var(--space-sm);
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  font-size: var(--text-small);
}
.ledger-row b { font-weight: 600; color: var(--color-ink); }
.ledger-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-rule);
  font-size: var(--text-small);
}

/* Sections */
.sec { padding-block: var(--space-xl); border-bottom: 1px solid var(--color-rule); }
.sec-head {
  max-width: 54ch;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* Groove Step Switcher */
.groove {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
  padding: 0.4rem;
  background: var(--color-paper-2);
  border-radius: var(--radius-groove);
  box-shadow: var(--press-groove);
  margin-bottom: var(--space-md);
}
.groove-btn {
  min-height: 44px;
  border: 0;
  border-radius: var(--radius-input);
  background: transparent;
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform var(--dur-short) var(--ease-out);
}
.groove-btn:hover { color: var(--color-ink); }
.groove-btn[aria-selected="true"] {
  background: var(--color-cotton);
  color: var(--color-ink);
  border: 1px solid var(--color-rule-2);
}

.step-sheet {
  padding: 1.75rem;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-lg);
  align-items: start;
}
.card-stack {
  display: grid;
  gap: 0.65rem;
}
.mini-card {
  padding: 0.9rem 1rem;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
}
.mini-card h3, .mini-card h4 { font-size: 0.95rem; margin-bottom: var(--space-2xs); }
.mini-card p { font-size: var(--text-small); color: var(--color-muted); }

/* Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}
.sheet-box { padding: 1.35rem; display: flex; flex-direction: column; gap: 0.5rem; }
.sheet-box .fig-big { font-size: 1.6rem; color: var(--color-paid); font-weight: 600; font-variant-numeric: tabular-nums; }

/* Board / Cohort Signup */
.price-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-lg);
  align-items: start;
}
.huge-price {
  font-size: clamp(3.2rem, 6vw, 4.75rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
  color: var(--color-board-type);
}
.tier-list {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.tier-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-ink-2);
  border-radius: var(--radius-input);
}
.tier-item.is-active { border-color: var(--color-accent); }
.signup-sheet {
  padding: 1.75rem;
  box-shadow: var(--edge-stock), var(--cast-deep);
}

/* Forms */
.field-grid { display: grid; gap: 0.9rem; margin-top: 1rem; }
.field label {
  display: block;
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-ink-2);
  margin-bottom: 0.3rem;
}
.input, select, textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.6rem 0.8rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-input);
}
textarea { min-height: 96px; resize: vertical; }
.input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-focus);
}

/* FAQ */
.faq-list { display: grid; gap: var(--space-sm); max-width: 52rem; }
.faq-item { padding: 1.1rem var(--space-md); }
.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin-top: 0.65rem; font-size: var(--text-small); }

/* Footer */
.site-ftr {
  padding-block: var(--space-lg);
  background: var(--color-paper-2);
}
.ftr-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-small);
  color: var(--color-muted);
}

/* Sticky bar */
.js .sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  background: var(--color-board);
  color: var(--color-board-type);
  border-top: 1px solid var(--color-ink-2);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}
.sticky-bar {
  background: var(--color-board);
  color: var(--color-board-type);
  border-top: 1px solid var(--color-ink-2);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.js .sticky-bar.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* App Shell */
.app-shell {
  display: grid;
  grid-template-columns: 15.5rem minmax(0, 1fr);
  min-height: calc(100vh - 65px);
}
.app-side {
  border-right: 1px solid var(--color-rule);
  background: var(--color-paper-2);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.tab-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  width: 100%;
  min-height: 42px;
  padding: 0 0.85rem;
  border: 0;
  border-radius: var(--radius-input);
  background: transparent;
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: 0.925rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}
.tab-btn:hover { background: var(--color-paper-3); }
.tab-btn[aria-current="page"] {
  background: var(--color-cotton);
  color: var(--color-ink);
  border: 1px solid var(--color-rule-2);
}
.app-main {
  padding: var(--space-lg);
  max-width: var(--container);
  width: 100%;
}
.pill-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-md); }
.chip-btn {
  min-height: 36px;
  padding: 0 0.85rem;
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-input);
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 500;
  cursor: pointer;
}
.chip-btn[aria-pressed="true"] {
  background: var(--color-board);
  color: var(--color-board-type);
  border-color: var(--color-board);
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-board);
  color: var(--color-board-type);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 600;
  flex-shrink: 0;
}

.prompt-box {
  margin-top: 1rem;
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-input);
  background: var(--color-paper-2);
  overflow: hidden;
}
.prompt-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--color-rule);
  font-size: var(--text-small);
  font-weight: 600;
}
.prompt-box pre {
  margin: 0;
  padding: 0.85rem;
  white-space: pre-wrap;
  font-family: var(--font-outlier);
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--color-ink);
}

.flash-card {
  padding: 1.15rem;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-paper);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
.flash-card.is-done {
  border-color: var(--color-paid);
  background: var(--color-cotton);
}

.video-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-paper-2);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-frame iframe, .video-frame video {
  width: 100%;
  height: 100%;
  border: 0;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(14, minmax(0, 1fr));
  gap: var(--space-2xs);
}
.cal-day {
  aspect-ratio: 1 / 1;
  border-radius: 3px;
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
}
.cal-day.is-hit {
  background: var(--color-accent);
  border-color: var(--color-paid);
}

.pop-panel {
  position: absolute;
  top: 56px;
  right: var(--space-md);
  width: 22rem;
  max-width: calc(100% - 2rem);
  padding: var(--space-md);
  z-index: 55;
}

.toast {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 60;
  padding: var(--space-sm) 1.1rem;
  background: var(--color-board);
  color: var(--color-board-type);
  border-radius: var(--radius-input);
  box-shadow: var(--cast-deep);
  font-size: var(--text-small);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .hero-grid, .step-sheet, .price-grid, .grid-3, .grid-2, .app-shell {
    grid-template-columns: minmax(0, 1fr);
  }
  .groove { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .app-side {
    border-right: 0;
    border-bottom: 1px solid var(--color-rule);
    flex-direction: row;
    flex-wrap: wrap;
  }
  .tab-btn { width: auto; }
  .app-main { padding: var(--space-md); }
  .cal-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .groove-btn, .toast, .sticky-bar { transition: none; }
}