/* Inkline — paper, ink, slate. Stationery, not a startup. */
:root {
  --paper: #F7F4EE;
  --paper-2: #EFEAE2;
  --sheet: #FFFcf7;
  --ink: #161616;
  --slate: #5C656E;
  --rule: #D4CEC4;
  --rule-dark: #161616;
  --banner: #161616;
  --banner-text: #F7F4EE;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Source Sans 3", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --shadow: 0 18px 40px -24px rgba(22, 22, 22, 0.45), 0 2px 8px -4px rgba(22, 22, 22, 0.12);
  --max: 1120px;
  --narrow: 720px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-underline-offset: 0.18em; }
a:hover { color: var(--slate); }
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 12px;
  top: 12px;
  z-index: 80;
  background: var(--sheet);
  padding: 0.5rem 0.8rem;
}

/* Banner */
.banner {
  background: var(--banner);
  color: var(--banner-text);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.55rem 1rem;
  line-height: 1.4;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}
.logo-mark {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.22em;
  font-size: 0.92rem;
}
.logo-tag {
  display: none;
  font-size: 0.8rem;
  color: var(--slate);
  letter-spacing: 0.01em;
  font-weight: 400;
}
.nav-desk {
  display: none;
  gap: 1.35rem;
  align-items: center;
}
.nav-desk a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.nav-desk a:hover { text-decoration: underline; }
.nav-desk a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 1px;
}
.nav-mob {
  position: relative;
}
.nav-mob summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}
.nav-mob summary::-webkit-details-marker { display: none; }
.nav-mob nav {
  position: absolute;
  right: 0;
  top: calc(100% + 0.6rem);
  background: var(--sheet);
  border: 1px solid var(--ink);
  min-width: 220px;
  padding: 0.6rem 0;
  box-shadow: var(--shadow);
}
.nav-mob nav a {
  display: block;
  padding: 0.55rem 1rem;
  text-decoration: none;
  font-size: 0.95rem;
}
.nav-mob nav a:hover { background: var(--paper-2); }

/* Layout */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.narrow { max-width: var(--narrow); }

/* Hero */
.hero {
  padding: 2.75rem 0 2.25rem;
  border-bottom: 1px solid var(--rule);
}
.kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 0.85rem;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.15rem, 6.2vw, 3.65rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 14ch;
}
.lede {
  font-size: 1.15rem;
  color: var(--slate);
  max-width: 38rem;
  margin: 0 0 1.6rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.72rem 1.15rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  line-height: 1.2;
}
.btn:hover { background: #2a2a2a; color: var(--paper); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { background: var(--paper-2); color: var(--ink); }
.btn-lg { padding: 0.85rem 1.35rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* Product grid */
.section {
  padding: 2.75rem 0;
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
  margin-bottom: 1.5rem;
}
.section h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0;
  letter-spacing: -0.015em;
}
.section-note { color: var(--slate); font-size: 0.95rem; margin: 0; }

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.card {
  background: var(--sheet);
  border: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
a.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  color: inherit;
}
.card-cover {
  background: var(--paper-2);
  padding: 1.1rem 1.1rem 0;
  border-bottom: 1px solid var(--rule);
}
.card-cover img {
  width: 100%;
  aspect-ratio: 8.5 / 11;
  object-fit: cover;
  object-position: top;
  box-shadow: 0 10px 24px -16px rgba(22,22,22,0.5);
  border: 1px solid var(--rule);
}
.card-body {
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.card-body h3 {
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 500;
  margin: 0;
}
.price {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.card-body p {
  color: var(--slate);
  font-size: 0.95rem;
  margin: 0.25rem 0 0;
  flex: 1;
}
.card-meta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 0.7rem;
}

/* Featured bundle */
.bundle {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  background: var(--sheet);
  border: 1px solid var(--ink);
  padding: 1.25rem;
}
.bundle img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--rule);
}
.bundle h2 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  font-weight: 500;
  margin: 0 0 0.5rem;
}
.bundle .was {
  color: var(--slate);
  text-decoration: line-through;
  margin-right: 0.45rem;
  font-weight: 400;
}
.save {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 0.15rem 0.45rem;
  margin-left: 0.4rem;
  font-weight: 600;
}
.bundle p { color: var(--slate); margin: 0.7rem 0 1.1rem; max-width: 42ch; }
.bundle-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* How / notes */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.note {
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
}
.note h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  margin: 0 0 0.4rem;
}
.note p { margin: 0; color: var(--slate); font-size: 0.98rem; }
.rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }

/* Product page */
.crumb {
  font-size: 0.85rem;
  color: var(--slate);
  padding: 1.1rem 0 0;
}
.crumb a { color: var(--slate); text-decoration: none; }
.crumb a:hover { text-decoration: underline; color: var(--ink); }
.product {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  padding: 1.25rem 0 2.5rem;
  align-items: start;
}
.product-art {
  background: var(--paper-2);
  padding: 1.25rem;
  border: 1px solid var(--rule);
}
.product-art img {
  width: 100%;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  background: var(--sheet);
}
.product-info h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  margin: 0.15rem 0 0.4rem;
  line-height: 1.15;
}
.product-price {
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
  margin: 0 0 0.85rem;
}
.product-info .lede { font-size: 1.05rem; margin-bottom: 1.15rem; }
.buy-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}
.fine {
  font-size: 0.85rem;
  color: var(--slate);
  margin: 0;
}
.contents {
  border-top: 1px solid var(--rule);
  padding-top: 1.1rem;
  margin-top: 0.4rem;
}
.contents h2 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0 0 0.6rem;
}
.contents ol, .contents ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink);
}
.contents li { margin: 0.28rem 0; }
.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1rem;
  margin-top: 1.2rem;
  font-size: 0.92rem;
}
.specs dt { color: var(--slate); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }
.specs dd { margin: 0 0 0.55rem; }

.also {
  padding-bottom: 2.75rem;
}

/* Success / cancel */
.status-page {
  padding: 3.5rem 0 4rem;
  text-align: left;
}
.status-page h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 0.8rem;
  letter-spacing: -0.02em;
}
.status-page p { color: var(--slate); max-width: 40rem; }
.frame {
  border: 1px solid var(--ink);
  padding: 1.5rem 1.4rem;
  background: var(--sheet);
  margin-top: 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--ink);
  padding: 1.6rem 0 2.2rem;
  margin-top: 0.5rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
}
.footer-brand {
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}
.site-footer p { margin: 0; color: var(--slate); font-size: 0.9rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.9rem 1.1rem; }
.site-footer nav a { text-decoration: none; font-size: 0.9rem; }
.site-footer nav a:hover { text-decoration: underline; }

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .logo-tag { display: inline; }
  .buy-row { flex-direction: row; align-items: center; }
  .buy-row .btn { width: auto; }
}
@media (min-width: 860px) {
  .nav-desk { display: flex; }
  .nav-mob { display: none; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
  .bundle { grid-template-columns: 0.9fr 1.1fr; padding: 1.6rem 1.7rem; }
  .product { grid-template-columns: 0.9fr 1.1fr; gap: 2.5rem; padding-top: 1.6rem; }
  .hero { padding: 3.6rem 0 3rem; }
  .split { grid-template-columns: 1fr 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  a.card { transition: none; }
}