@import url('tokens.css');
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Karla:ital,wght@0,400;0,500;0,700;1,400&family=Caveat:wght@500;700&family=Homemade+Apple&family=Kalam:wght@400;700&family=Shadows+Into+Light&family=Patrick+Hand&display=swap');

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--step-body);
  color: var(--ink-charcoal);
  background: var(--chrome-bg, #1b1815);
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
/* the [hidden] attribute must always win, even over components that
   set their own `display` (buttons, flex rows, etc.) */
[hidden] { display: none !important; }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, p { margin: 0; }
:focus-visible {
  outline: 2px solid var(--brass-light);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- noise grain (inline SVG, no external asset) ---------- */
.grain {
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0.35; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='matrix' values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- layout shell ---------- */
.chrome-bg {
  background:
    radial-gradient(120% 140% at 15% -10%, #2a2420 0%, transparent 55%),
    radial-gradient(120% 140% at 100% 110%, #211c18 0%, transparent 50%),
    var(--chrome-bg, #1b1815);
  color: var(--chrome-fg, #e9dfc7);
}
.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--space-5); }
@media (max-width: 640px) { .container { padding: 0 var(--space-4); } }

/* ---------- nav ---------- */
.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) 0;
}
.brand {
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: 1.35rem; letter-spacing: 0.01em; text-decoration: none;
  color: var(--chrome-fg, #e9dfc7);
  display: flex; align-items: center; gap: 0.5em;
}
.brand-mark { font-style: normal; color: var(--brass-light); }
.nav-links { display: flex; align-items: center; gap: var(--space-4); }
.nav-link {
  font-size: var(--step-small); text-decoration: none;
  color: var(--chrome-fg, #e9dfc7); opacity: 0.8;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}
.nav-link:hover { opacity: 1; border-color: currentColor; }

@media (max-width: 480px) {
  .brand { font-size: 1.15rem; }
  .nav-links { gap: var(--space-3); }
  .nav-link { display: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  font-family: var(--font-ui); font-weight: 700; font-size: var(--step-small);
  letter-spacing: 0.01em; text-decoration: none; cursor: pointer;
  padding: 0.85em 1.5em; border-radius: 999px; border: 1px solid transparent;
  transition: transform 0.15s var(--ease-pen), box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-seal {
  background: var(--accent); color: #f6e9dc;
  box-shadow: 0 10px 24px -10px rgba(140,47,57,0.65), inset 0 0 0 1px rgba(255,255,255,0.06);
}
.btn-seal:hover { background: var(--accent-dark); box-shadow: 0 14px 28px -10px rgba(140,47,57,0.75); }
.btn-ghost {
  background: transparent; color: var(--chrome-fg, #e9dfc7);
  border-color: rgba(233,223,199,0.35);
}
.btn-ghost:hover { border-color: rgba(233,223,199,0.7); }
.btn-ink {
  background: var(--ink-navy); color: #f3ecdd;
}
.btn-ink:hover { background: #22304a; }
.btn-quiet {
  background: var(--paper-deep); color: var(--ink-charcoal);
  border-color: var(--paper-shadow);
}
.btn-quiet:hover { background: var(--paper-shadow); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 0.55em 1.1em; font-size: var(--step-caption); }

/* ---------- paper card (the signature object) ---------- */
.paper-card {
  position: relative;
  background: var(--paper);
  border-radius: 2px;
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-lift);
}
.paper-card::before,
.paper-card::after {
  content: ""; position: absolute; left: 0; right: 0; height: 10px;
  background-image: linear-gradient(135deg, var(--chrome-bg, #1b1815) 50%, transparent 50%),
                     linear-gradient(45deg, var(--chrome-bg, #1b1815) 50%, transparent 50%);
  background-size: 14px 14px; background-repeat: repeat-x;
  opacity: 0.9;
}
.paper-card::before { top: -1px; background-position: 0 -7px; }
.paper-card::after { bottom: -1px; transform: scaleY(-1); background-position: 0 -7px; }
.on-parchment .paper-card::before,
.on-parchment .paper-card::after { display: none; } /* torn edge only reads against a differing bg */

.paper--parchment { background: var(--paper); }
.paper--lined {
  background:
    repeating-linear-gradient(var(--paper) 0 32px, var(--paper-line) 32px 33px),
    var(--paper);
  background-position: 0 var(--space-6);
}
.paper--kraft {
  background: #c7a874;
  color: #3a2c17;
}
.paper--kraft .ink-navy, .paper--kraft .ink-charcoal { color: #3a2c17; }
.paper--aged {
  background:
    radial-gradient(60% 50% at 20% 15%, rgba(150,120,70,0.25), transparent 60%),
    radial-gradient(50% 40% at 85% 80%, rgba(120,90,50,0.22), transparent 60%),
    var(--paper);
}

/* ---------- postmark badges (used for the 3-step process) ---------- */
.postmark {
  width: 84px; height: 84px; border-radius: 50%;
  border: 2px solid var(--ink-navy); position: relative;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.8rem; color: var(--ink-navy);
  flex: none;
}
.postmark::before {
  content: ""; position: absolute; inset: 6px; border-radius: 50%;
  border: 1px dashed var(--ink-navy); opacity: 0.55;
}

/* ---------- handwriting fonts (applied to actual letter content only) ---------- */
.hand-caveat { font-family: var(--font-hand-caveat); }
.hand-apple { font-family: var(--font-hand-apple); }
.hand-kalam { font-family: var(--font-hand-kalam); }
.hand-shadows { font-family: var(--font-hand-shadows); }
.hand-patrick { font-family: var(--font-hand-patrick); }

/* ---------- ink color swatches ---------- */
.ink-navy { color: var(--ink-navy); }
.ink-charcoal { color: var(--ink-charcoal); }
.ink-sepia { color: var(--ink-sepia); }
.ink-oxblood { color: var(--ink-oxblood); }

/* ---------- forms ---------- */
label { display: block; font-size: var(--step-caption); text-transform: uppercase; letter-spacing: 0.08em; color: var(--chrome-fg, #e9dfc7); opacity: 0.65; margin-bottom: 0.4em; }
input[type="text"], textarea {
  width: 100%; font-family: var(--font-ui); font-size: var(--step-body);
  color: var(--ink-charcoal); background: var(--surface-0);
  border: 1px solid var(--paper-shadow); border-radius: var(--radius-md);
  padding: 0.75em 0.9em;
}
textarea { resize: vertical; min-height: 220px; line-height: 1.6; }
input[type="text"]:focus, textarea:focus { border-color: var(--ink-navy); }

@media (max-width: 600px) {
  input[type="text"], textarea { font-size: var(--step-small); padding: 0.65em 0.8em; }
  textarea { min-height: 180px; }
}

.swatch-row { display: flex; flex-wrap: wrap; gap: 0.75em; }
.swatch {
  border: 1.5px solid var(--paper-shadow); background: var(--surface-0);
  border-radius: var(--radius-md); padding: 0.65em 1.1em; cursor: pointer;
  font-size: var(--step-body); display: flex; align-items: center; gap: 0.5em;
  transition: all 0.2s ease;
  min-width: 100px;
}
.swatch:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(42,38,34,0.15); }
.swatch[aria-pressed="true"] { border-color: var(--paper-deep); box-shadow: 0 0 0 2px var(--paper-shadow); background: var(--paper-deep); }
.swatch-theme .swatch-dot { display: none; }
.swatch-dot { width: 18px; height: 18px; border-radius: 50%; flex: none; }
.swatch-hand-sample { font-family: var(--font-hand-caveat); font-size: 1.1em; }
.swatch.is-active { animation: swatch-pulse 0.3s ease; }
@keyframes swatch-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); box-shadow: 0 0 0 6px rgba(42,38,34,0.2); }
  100% { transform: scale(1); }
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid rgba(233,223,199,0.15);
  padding: var(--space-5) 0; font-size: var(--step-caption); opacity: 0.75;
  display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between;
}
.site-footer a { text-decoration: underline; text-underline-offset: 2px; }

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