/* Writing Canvas — design tokens */
:root {
  color-scheme: light;
  --ink: #161512;
  /* ≥4.5:1 on paper at ~14px */
  --ink-muted: #3d3a36;
  --paper: #f6f2ea;
  --paper-deep: #ebe4d8;
  --accent: #3d4f47;
  --accent-hover: #2f3d37;
  --line: rgba(22, 21, 18, 0.12);
  --danger: #7a2e2e;
  --focus-ring: 2px solid var(--accent);
  --focus-offset: 2px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Literata", Georgia, serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-soft: 0 18px 48px rgba(22, 21, 18, 0.07);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 160ms;
  --dur-med: 280ms;
  --measure: 65ch;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--paper);
  background-image: 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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  overflow-x: clip;
  padding-bottom: env(safe-area-inset-bottom);
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: max(var(--space-4), env(safe-area-inset-left));
  top: max(var(--space-4), env(safe-area-inset-top));
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(246, 242, 234, 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  /* iOS notch: keep bar below status area */
  padding-top: env(safe-area-inset-top);
  z-index: 10;
}

.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) max(var(--space-5), env(safe-area-inset-right))
    var(--space-4) max(var(--space-5), env(safe-area-inset-left));
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Monogram mark */
.wordmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 550;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: transparent;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
}

.site-header__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 550;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: var(--space-10) max(var(--space-5), env(safe-area-inset-right)) var(--space-12)
    max(var(--space-5), env(safe-area-inset-left));
}

.hero__grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.55fr);
    gap: var(--space-10);
  }
}

.hero__eyebrow {
  margin: 0 0 var(--space-4);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero__title {
  margin: 0 0 var(--space-5);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.35rem);
  font-weight: 550;
  font-variation-settings: "SOFT" 40, "WONK" 1;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
  max-width: 14ch;
}

.hero__title-accent {
  font-style: italic;
  font-weight: 450;
  color: var(--accent);
}

.hero__lede {
  margin: 0 0 var(--space-6);
  max-width: var(--measure);
  font-size: 1.1875rem;
  color: var(--ink-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__copy > * {
    opacity: 0;
    animation: hero-in var(--dur-med) var(--ease-out) forwards;
  }

  .hero__copy > *:nth-child(1) {
    animation-delay: 40ms;
  }
  .hero__copy > *:nth-child(2) {
    animation-delay: 95ms;
  }
  .hero__copy > *:nth-child(3) {
    animation-delay: 150ms;
  }
  .hero__copy > *:nth-child(4) {
    animation-delay: 205ms;
  }

  .hero__aside {
    opacity: 0;
    animation: hero-in calc(var(--dur-med) + 40ms) var(--ease-out) 260ms forwards;
  }
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__aside {
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.hero__facts {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.hero__facts div {
  margin: 0;
}

.hero__facts dt {
  margin: 0 0 var(--space-1);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
}

.hero__facts dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 var(--space-5);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

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

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

.btn--secondary {
  color: var(--danger);
  background: transparent;
  border-color: rgba(122, 46, 46, 0.35);
}

.btn--secondary:hover {
  background: rgba(122, 46, 46, 0.06);
}

.btn--ghost {
  color: var(--accent);
  background: transparent;
  border-color: rgba(61, 79, 71, 0.35);
}

.btn--ghost:hover {
  background: rgba(61, 79, 71, 0.06);
}

/* How */
.how {
  padding: var(--space-8) max(var(--space-5), env(safe-area-inset-right)) var(--space-10)
    max(var(--space-5), env(safe-area-inset-left));
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--paper-deep) 0%, var(--paper) 42%);
}

.how__inner {
  max-width: 720px;
  margin: 0 auto;
}

.section-title {
  margin: 0 0 var(--space-8);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.5vw, 2.125rem);
  font-weight: 550;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.how__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.how__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4) var(--space-5);
  align-items: start;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--line);
}

.how__steps li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.how__step-num {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: rgba(22, 21, 18, 0.35);
  line-height: 1.2;
  padding-top: 0.15em;
}

.how__step-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.how__step-body p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.0625rem;
}

/* Workspace */
.workspace {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-8) max(var(--space-5), env(safe-area-inset-right)) var(--space-12)
    max(var(--space-5), env(safe-area-inset-left));
}

.workspace__chrome {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.workspace__heading {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.workspace__meta {
  font-size: 0.9375rem;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.workspace__dot {
  margin: 0 var(--space-2);
  opacity: 0.45;
}

.workspace__draft {
  display: block;
  width: 100%;
  min-height: min(52vh, 28rem);
  padding: var(--space-5);
  font-family: var(--font-body);
  font-size: 1.1875rem;
  line-height: 1.7;
  color: var(--ink);
  background: #fffef9;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  resize: vertical;
  transition: border-color var(--dur-med) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out);
}

.workspace__draft::placeholder {
  color: rgba(61, 57, 54, 0.5);
  font-style: italic;
}

.workspace__draft:hover {
  border-color: rgba(61, 79, 71, 0.35);
}

.workspace__draft:focus {
  outline: none;
}

.workspace__draft:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 0 0 3px rgba(61, 79, 71, 0.2);
}

@supports not selector(:focus-visible) {
  .workspace__draft:focus {
    border-color: var(--accent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 0 0 3px rgba(61, 79, 71, 0.2);
  }
}

.workspace__footer {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .workspace__footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.workspace__hint {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-muted);
  max-width: 42ch;
}

.site-footer {
  padding: var(--space-6) max(var(--space-5), env(safe-area-inset-right)) var(--space-6)
    max(var(--space-5), env(safe-area-inset-left));
  border-top: 1px solid var(--line);
  text-align: left;
}

.site-footer p {
  margin: 0 auto;
  max-width: 1200px;
  font-size: 0.875rem;
  color: var(--ink-muted);
}

@media (max-width: 599px) {
  .hero__aside {
    order: 3;
  }
}