/* keep in sync with web/src/index.css */

:root {
  --paper-font-size: 1.125rem;
  --paper-line-height: 2rem;
  --paper-sheet-padding-top: 1.25rem;
  --paper-sheet-padding-x: 1.25rem;
  --paper-sheet-padding-bottom: 1.25rem;
  --paper-paragraph-spacing: 1.5rem;
  --paper-rule-offset: 0px;

  --max-width: 72rem;
  --header-height: 3.75rem;
}

/* ── Light theme (Day paper) ── */
:root,
[data-theme="light"] {
  color-scheme: light;

  --color-bg: #e8dfd0;
  --color-panel: #f0e8dc;
  --color-paper: #faf6f0;
  --color-paper-ruled: #faf6f0;
  --color-ink: #2c1810;
  --color-ink-muted: #6b5344;
  --color-ink-faint: #9a8575;
  --color-border: #d4c4b0;
  --color-border-strong: #b8a898;
  --color-accent: #a0522d;
  --color-accent-hover: #8b4513;
  --color-accent-soft: rgba(160, 82, 45, 0.12);
  --color-uncommitted-soft: rgba(160, 82, 45, 0.06);
  --color-accent-text: #7a3b1e;
  --color-highlight: #e8d4a8;
  --color-success: #3d7a4a;
  --color-shadow: rgba(44, 24, 16, 0.12);
  --color-focus: #a0522d;
  --color-cursor: #a0522d;
}

/* ── Dark theme (Night desk) ── */
[data-theme="dark"] {
  color-scheme: dark;

  --color-bg: #1a1714;
  --color-panel: #221e1a;
  --color-paper: #2a2520;
  --color-paper-ruled: #2a2520;
  --color-ink: #e8dfd0;
  --color-ink-muted: #a89880;
  --color-ink-faint: #7a6e60;
  --color-border: #3d3530;
  --color-border-strong: #524840;
  --color-accent: #c4956a;
  --color-accent-hover: #d4a574;
  --color-accent-soft: rgba(196, 149, 106, 0.15);
  --color-uncommitted-soft: rgba(196, 149, 106, 0.08);
  --color-accent-text: #e8c89a;
  --color-highlight: rgba(196, 149, 106, 0.25);
  --color-success: #6aab72;
  --color-shadow: rgba(0, 0, 0, 0.35);
  --color-focus: #c4956a;
  --color-cursor: #c4956a;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: "Courier Prime", "Courier New", Courier, monospace;
  font-size: 16px;
  line-height: 1.6;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-accent-text);
}

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

/* ── Surfaces ── */
.surface-page {
  background: var(--color-bg);
  color: var(--color-ink);
}

.surface-panel {
  background: var(--color-panel);
  border-color: var(--color-border);
}

.surface-paper {
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px var(--color-shadow);
}

.surface-paper-ruled {
  background-color: var(--color-paper-ruled);
  background-image:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent calc(var(--paper-line-height) - 1px),
      var(--color-border) calc(var(--paper-line-height) - 1px),
      var(--color-border) var(--paper-line-height)
    ),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 100% var(--paper-line-height), auto;
  background-position: 0 var(--paper-rule-offset), 0 0;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px var(--color-shadow);
}

.text-ink {
  color: var(--color-ink);
}

.text-ink-muted {
  color: var(--color-ink-muted);
}

.text-ink-faint {
  color: var(--color-ink-faint);
}

.text-accent {
  color: var(--color-accent);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  background: var(--color-accent);
  color: #faf6f0;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  background: transparent;
  color: var(--color-accent-text);
  border: 1px solid var(--color-border-strong);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

.btn-secondary:hover {
  background: var(--color-accent-soft);
}

.btn-header {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: 0.375rem;
  font-family: inherit;
  background: transparent;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-header:hover {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-panel) 92%, transparent);
  backdrop-filter: blur(8px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--color-ink);
}

.brand-accent {
  color: var(--color-accent);
}

.brand-logo {
  height: 2rem;
  width: auto;
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-nav {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

.header-cta-mobile {
  display: inline-flex;
}

.lang-select-wrap {
  display: inline-flex;
  align-items: center;
}

.lang-select {
  display: inline-flex;
  align-items: center;
  min-width: 7.5rem;
  height: 2.25rem;
  padding-inline: 0.5rem;
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 0.75rem;
  background: transparent;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  appearance: auto;
  transition: background 0.15s, color 0.15s;
}

.lang-select:hover {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 640px) {
  .header-nav {
    display: flex;
  }

  .header-cta-mobile {
    display: none;
  }
}

/* ── Hero ── */
.hero {
  padding-block: 3rem 4rem;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
  }
}

.hero-copy {
  text-align: center;
}

@media (min-width: 960px) {
  .hero-copy {
    text-align: start;
  }
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
}

.hero-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  margin: 0 0 1.75rem;
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  line-height: 1.65;
  color: var(--color-ink-muted);
  max-width: 32rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

@media (min-width: 960px) {
  .hero-cta-row {
    justify-content: flex-start;
  }
}

.hero-cta-row .btn-primary {
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
}

/* ── Studio mock ── */
.studio-mock {
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  box-shadow: 0 8px 32px var(--color-shadow);
  overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
  .studio-mock {
    animation: mock-float 6s ease-in-out infinite;
  }
}

@keyframes mock-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.studio-mock-bar {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-paper);
}

.studio-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--color-border-strong);
}

.studio-mock-title {
  margin-inline-start: 0.5rem;
  font-size: 0.6875rem;
  color: var(--color-ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.studio-mock-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  min-height: 16rem;
}

@media (max-width: 479px) {
  .studio-mock-body {
    grid-template-columns: 1fr;
  }

  .studio-chat {
    display: none;
  }
}

.studio-story {
  /*
   * Ruled mock paper — integer px grid; rule offset tuned so baselines
   * sit on the horizontal lines (matches app 18:32 ratio at ~72% scale).
   */
  --mock-font-size: 13px;
  --mock-line-height: 23px;
  --mock-rule-offset: -4px;
  --mock-padding-x: 12px;
  --mock-padding-bottom: 12px;

  font-family: "Courier Prime", "Courier New", Courier, monospace;
  font-size: var(--mock-font-size);
  line-height: var(--mock-line-height);
  padding: 0 var(--mock-padding-x) var(--mock-padding-bottom);
  color: var(--color-ink);
  text-align: start;
  background-color: var(--color-paper-ruled);
  background-image:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent calc(var(--mock-line-height) - 1px),
      var(--color-border) calc(var(--mock-line-height) - 1px),
      var(--color-border) var(--mock-line-height)
    ),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 100% var(--mock-line-height), auto;
  background-position: 0 var(--mock-rule-offset), 0 0;
  border: 1px solid var(--color-border);
}

.studio-story p {
  margin: 0;
}

.studio-story p + p {
  margin-top: var(--mock-line-height);
}

.studio-highlight {
  background: var(--color-uncommitted-soft);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.studio-chat {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  padding: 1rem;
  border-inline-start: 1px solid var(--color-border);
  background: var(--color-bg);
}

.chat-bubble {
  max-width: 92%;
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.5;
}

.chat-bubble-user {
  align-self: flex-end;
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.chat-bubble-assistant {
  align-self: flex-start;
  background: var(--color-panel);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

.typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-inline-start: 1px;
  vertical-align: text-bottom;
  background: var(--color-cursor);
}

@media (prefers-reduced-motion: no-preference) {
  .typewriter-cursor {
    animation: cursor-blink 1s step-end infinite;
  }
}

@keyframes cursor-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* ── Sections ── */
.section {
  padding-block: 4rem;
}

.section-header {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 1rem;
  line-height: 1.65;
}

/* ── Bento grid ── */
.bento-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.bento-card {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background: var(--color-paper);
  box-shadow: 0 1px 6px var(--color-shadow);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.bento-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: 0 2px 12px var(--color-shadow);
}

.bento-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.bento-card h3 {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
}

.bento-card p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ── Steps ── */
.steps {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.step {
  position: relative;
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  box-shadow: 0 1px 6px var(--color-shadow);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent-text);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
}

.step p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ── FAQ ── */
.faq-list {
  max-width: 40rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background: var(--color-paper);
  overflow: hidden;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-ink-faint);
  transition: transform 0.15s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

[dir="rtl"] .faq-item summary {
  flex-direction: row-reverse;
}

.faq-item p {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
}

/* ── Footer CTA ── */
.footer-cta {
  padding-block: 4rem 5rem;
  text-align: center;
}

.footer-cta-panel {
  padding: 2.5rem 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  box-shadow: 0 4px 24px var(--color-shadow);
}

.footer-cta h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
}

.footer-cta p {
  margin: 0 0 1.5rem;
  color: var(--color-ink-muted);
  max-width: 28rem;
  margin-inline: auto;
}

.site-footer {
  padding-block: 2rem 2.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-ink-faint);
}

.site-footer a {
  color: var(--color-accent-text);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.site-footer .footer-legal {
  margin-top: 0.5rem;
}

.site-footer .footer-legal a + a::before {
  content: " · ";
  color: var(--color-ink-faint);
  text-decoration: none;
  pointer-events: none;
}

/* ── Legal pages ── */
.legal-main {
  padding-block: 2.5rem 3rem;
}

.legal-article {
  max-width: 42rem;
  margin-inline: auto;
}

.legal-article h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.25;
}

.legal-meta {
  font-size: 0.8125rem;
  color: var(--color-ink-faint);
  margin: 0 0 2rem;
}

.legal-article h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
}

.legal-article h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.25rem 0 0.5rem;
}

.legal-article p,
.legal-article li {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
}

.legal-article p {
  margin: 0 0 1rem;
}

.legal-article ul,
.legal-article ol {
  margin: 0 0 1rem;
  padding-inline-start: 1.35rem;
}

.legal-article li {
  margin-bottom: 0.35rem;
}

.legal-article a {
  color: var(--color-accent-text);
  text-decoration: none;
}

.legal-article a:hover {
  text-decoration: underline;
}

.legal-article strong {
  color: var(--color-ink);
  font-weight: 700;
}

.legal-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  line-height: 1.5;
}

.legal-article th,
.legal-article td {
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  text-align: start;
  vertical-align: top;
  color: var(--color-ink-muted);
}

.legal-article th {
  background: var(--color-panel);
  color: var(--color-ink);
  font-weight: 700;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .studio-mock {
    animation: none;
  }
}

/* ── Beta apply form ── */
.apply-main {
  padding: 2.5rem 0 4rem;
}

.apply-panel {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px var(--color-shadow);
}

.apply-intro h1 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  line-height: 1.25;
}

.apply-intro p {
  margin: 0 0 1.5rem;
  color: var(--color-ink-muted);
}

.apply-form fieldset {
  margin: 0 0 1.5rem;
  padding: 0;
  border: 0;
}

.apply-form legend {
  display: block;
  width: 100%;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-ink);
}

.apply-form .hint {
  margin: -0.25rem 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-ink-faint);
}

.apply-field {
  width: 100%;
  margin-bottom: 0.75rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border-strong);
  background: var(--color-panel);
  color: var(--color-ink);
  font: inherit;
  line-height: 1.5;
}

.apply-field:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

textarea.apply-field {
  min-height: 5.5rem;
  resize: vertical;
}

.apply-checks,
.apply-radios {
  display: grid;
  gap: 0.5rem;
}

.apply-checks label,
.apply-radios label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  cursor: pointer;
}

.apply-checks input,
.apply-radios input {
  margin-top: 0.2rem;
  accent-color: var(--color-accent);
}

.apply-actions {
  margin-top: 1.5rem;
}

.apply-privacy {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-ink-faint);
}

.apply-status {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
}

.apply-status:empty {
  display: none;
}

.apply-status.is-error {
  color: #b33;
}

.apply-status.is-success {
  margin-bottom: 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 0.5rem;
  background: var(--color-accent-soft);
  color: var(--color-success);
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

.apply-submitted .site-header,
.apply-submitted .site-footer,
.apply-submitted .apply-fade-target {
  opacity: 0.06;
  pointer-events: none;
  user-select: none;
  transition: opacity 0.3s ease;
}

.apply-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

[data-theme="dark"] .apply-status.is-error {
  color: #f08080;
}