/* Dossier OS — Sidecar Desk
   ink navy / manila / stamp red / paper
   file-tab dossier, not purple SaaS */

:root {
  --ink: #1b2a4a;
  --ink-soft: #2c3d5e;
  --manila: #f3e6c9;
  --manila-deep: #e6d4a8;
  --manila-edge: #c9b17a;
  --stamp: #9b2d2d;
  --stamp-ink: #7a2222;
  --paper: #faf6ee;
  --paper-rule: #e8dcc4;
  --rule-red: #c45c5c;
  --cream: #fffdf8;
  --muted: #5c6a82;
  --hairline: rgba(27, 42, 74, 0.16);
  --shadow: 0 18px 40px rgba(27, 42, 74, 0.18);
  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --measure: 68rem;
  --gutter: clamp(1rem, 3vw, 2.25rem);
}

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

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: var(--stamp);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--stamp-ink);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--stamp);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -100px;
  z-index: 20;
  padding: 0.5rem 0.85rem;
  background: var(--cream);
  color: var(--ink);
  font-weight: 600;
}

.skip:focus {
  top: 0.75rem;
}

/* Desk / blotter */
.desk {
  min-height: 100vh;
  padding: 1.25rem var(--gutter) 2.5rem;
  background:
    radial-gradient(1200px 480px at 50% -10%, rgba(243, 230, 201, 0.08), transparent 60%),
    repeating-linear-gradient(
      90deg,
      #17243f 0 2px,
      #1b2a4a 2px 28px
    );
}

.folder {
  max-width: var(--measure);
  margin: 0 auto;
  position: relative;
}

/* Hanging file tabs */
.tabs {
  display: flex;
  gap: 0.4rem;
  padding-left: 1.25rem;
  margin: 0;
  list-style: none;
  align-items: flex-end;
}

.tab {
  background: var(--manila-deep);
  color: var(--ink);
  border: 1px solid var(--manila-edge);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  padding: 0.45rem 1.05rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.tab--active {
  background: var(--manila);
  padding-bottom: 0.75rem;
  font-weight: 600;
}

.tab:hover {
  color: var(--ink);
  background: var(--manila);
}

/* Manila jacket */
.jacket {
  background:
    linear-gradient(90deg, rgba(27, 42, 74, 0.05) 0 1.35rem, transparent 1.35rem),
    repeating-linear-gradient(
      var(--manila) 0 1.7rem,
      rgba(201, 177, 122, 0.12) 1.7rem 1.72rem
    );
  background-color: var(--manila);
  border: 1px solid var(--manila-edge);
  border-radius: 0 10px 10px 10px;
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  position: relative;
}

.jacket::before {
  /* punch holes */
  content: "";
  position: absolute;
  left: 0.42rem;
  top: 2.4rem;
  bottom: 2.4rem;
  width: 0.52rem;
  background:
    radial-gradient(circle at 50% 8%, var(--ink) 0 0.22rem, transparent 0.24rem),
    radial-gradient(circle at 50% 28%, var(--ink) 0 0.22rem, transparent 0.24rem),
    radial-gradient(circle at 50% 48%, var(--ink) 0 0.22rem, transparent 0.24rem),
    radial-gradient(circle at 50% 68%, var(--ink) 0 0.22rem, transparent 0.24rem),
    radial-gradient(circle at 50% 88%, var(--ink) 0 0.22rem, transparent 0.24rem);
  opacity: 0.28;
  pointer-events: none;
}

.sheet {
  margin: 0.85rem 0.85rem 0.95rem 1.85rem;
  background: var(--paper);
  border: 1px solid var(--hairline);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 8px 18px rgba(27, 42, 74, 0.06);
  position: relative;
}

.sheet::after {
  /* paper corner fold */
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1.35rem;
  height: 1.35rem;
  background: linear-gradient(135deg, transparent 50%, var(--paper-rule) 50%);
  border-left: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  pointer-events: none;
}

.inner {
  padding: clamp(1.35rem, 3.5vw, 2.6rem) clamp(1.1rem, 3vw, 2.4rem) clamp(1.6rem, 3vw, 2.8rem);
}

.mast {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.85rem;
  margin-bottom: 1.6rem;
}

.brand {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.1;
}

.brand span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.28rem;
}

.file-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-align: right;
  color: var(--muted);
  line-height: 1.5;
}

.file-meta strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(14rem, 0.7fr);
  gap: 1.6rem 2rem;
  align-items: start;
  margin-bottom: 2.2rem;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stamp);
  margin: 0 0 0.65rem;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.7rem;
}

h1 {
  font-size: clamp(2.05rem, 4.6vw, 3.35rem);
  font-weight: 620;
  max-width: 14ch;
}

.lede {
  font-size: 1.12rem;
  max-width: 38rem;
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: var(--ink);
  color: var(--cream);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 0.78rem 1.2rem;
  border: 2px solid var(--ink);
  border-radius: 2px;
}

.btn:hover {
  background: var(--stamp);
  border-color: var(--stamp);
  color: var(--cream);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
}

.btn--ghost:hover {
  background: var(--manila);
  color: var(--ink);
  border-color: var(--ink);
}

.price-note {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.stamp {
  justify-self: end;
  width: min(100%, 13.5rem);
  aspect-ratio: 1.15 / 1;
  border: 4px double var(--stamp);
  color: var(--stamp);
  transform: rotate(-7deg);
  display: grid;
  place-content: center;
  text-align: center;
  padding: 0.85rem;
  margin-top: 0.4rem;
  background: rgba(155, 45, 45, 0.04);
}

.stamp strong {
  font-family: var(--serif);
  font-size: 2.15rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stamp span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.4rem;
}

.rule {
  border: 0;
  border-top: 1px solid var(--hairline);
  margin: 0 0 2rem;
}

section {
  margin-bottom: 2.15rem;
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.85rem);
}

h3 {
  font-size: 1.12rem;
  margin-bottom: 0.35rem;
}

.plain {
  margin: 0 0 1rem;
  max-width: 42rem;
}

.sheet-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.sheet-list li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 14rem) 1fr;
  gap: 0.75rem 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hairline);
  align-items: baseline;
}

.idx {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--stamp);
  letter-spacing: 0.06em;
}

.sheet-list h3 {
  margin: 0;
  font-size: 1.05rem;
}

.sheet-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.sample-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 0.75rem;
}

.badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stamp);
  border: 1px solid var(--stamp);
  padding: 0.28rem 0.5rem;
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ink);
  background: var(--cream);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 36rem;
}

caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.55rem 0.7rem;
  background: var(--ink);
  color: var(--manila);
  caption-side: top;
}

th,
td {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--paper-rule);
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--manila);
  color: var(--ink);
}

tr:last-child td {
  border-bottom: 0;
}

.not-a-cert {
  margin: 0.7rem 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--stamp);
  font-weight: 600;
}

.buy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  background: var(--ink);
  color: var(--cream);
  padding: 1.2rem 1.3rem;
  border-radius: 2px;
}

.buy h2 {
  color: var(--manila);
  margin: 0 0 0.25rem;
}

.buy p {
  margin: 0;
  color: rgba(250, 246, 238, 0.82);
  font-size: 0.95rem;
}

.buy .btn {
  background: var(--manila);
  color: var(--ink);
  border-color: var(--manila);
  white-space: nowrap;
}

.buy .btn:hover {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--ink);
}

.disclaimers {
  background: var(--cream);
  border: 1px dashed var(--manila-edge);
  padding: 1rem 1.1rem;
}

.disclaimers h2 {
  font-size: 1.05rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.disclaimers ul {
  margin: 0;
  padding-left: 1.15rem;
}

.disclaimers li {
  margin: 0.35rem 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.site-footer {
  margin: 0.9rem 0.85rem 0 1.85rem;
  padding: 0.9rem 0.2rem 0.4rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  justify-content: space-between;
}

.site-footer a {
  color: var(--ink);
}

.canspam {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

/* Legal page */
.legal-body .inner {
  max-width: 44rem;
}

.legal-body h1 {
  max-width: none;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.legal-body h2 {
  margin-top: 1.5rem;
}

@media (max-width: 760px) {
  .hero,
  .buy,
  .sheet-list li {
    grid-template-columns: 1fr;
  }

  .stamp {
    justify-self: start;
    transform: rotate(-4deg);
    width: 11.5rem;
  }

  .file-meta {
    text-align: left;
  }

  .tabs {
    padding-left: 0.5rem;
    overflow-x: auto;
  }

  .jacket::before {
    opacity: 0.16;
  }

  .sheet {
    margin-left: 1.15rem;
  }

  .site-footer {
    margin-left: 1.15rem;
  }
}

@media (max-width: 480px) {
  .desk {
    padding: 0.65rem 0.55rem 1.5rem;
  }

  .tab {
    font-size: 0.64rem;
    padding: 0.4rem 0.7rem 0.5rem;
  }
}

img {
  height: auto;
  display: block;
}

.mast .brand-lock {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-lock img {
  width: 2.6rem;
  height: 2.6rem;
  object-fit: cover;
  border: 1px solid var(--hairline);
  background: var(--manila);
}

.tabs {
  justify-content: flex-start;
  flex-wrap: wrap;
}

.tabs .tab-buy {
  margin-left: auto;
  padding-right: 0.2rem;
}

.tab--buy {
  background: var(--stamp);
  color: var(--cream);
  border-color: var(--stamp-ink);
  font-weight: 600;
}

.tab--buy:hover {
  background: var(--stamp-ink);
  color: var(--cream);
}

.hero--photo {
  grid-template-columns: minmax(0, 1.05fr) minmax(16rem, 1fr);
  align-items: center;
}

.hero--photo h1 {
  max-width: 16ch;
}

.photo-frame {
  margin: 0;
  background: var(--cream);
  border: 1px solid var(--ink);
  padding: 0.45rem 0.45rem 0.7rem;
  box-shadow: 0 10px 24px rgba(27, 42, 74, 0.12);
}

.photo-frame img {
  width: 100%;
  background: var(--ink);
}

.photo-frame figcaption {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.45rem 0.2rem 0;
}

.figure-wide {
  margin: 0 0 1.4rem;
}

.figure-wide .photo-frame {
  max-width: none;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.4rem 1.8rem;
  align-items: start;
}

.zip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.zip-list li {
  display: grid;
  grid-template-columns: minmax(0, 16rem) 1fr;
  gap: 0.5rem 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.95rem;
}

.zip-list code {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--stamp);
}

.steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps li {
  position: relative;
  padding: 0 0 1.35rem 3.2rem;
  border-left: 2px solid var(--manila-edge);
  margin-left: 0.85rem;
}

.steps li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -1.15rem;
  top: 0;
  width: 2.2rem;
  height: 2.2rem;
  background: var(--ink);
  color: var(--manila);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  display: grid;
  place-content: center;
}

.steps h3 {
  margin-top: 0.15rem;
}

.catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.catalog article {
  background: var(--cream);
  border: 1px solid var(--hairline);
  padding: 0.9rem 1rem;
}

.catalog h3 {
  font-size: 1.02rem;
  margin-bottom: 0.3rem;
}

.catalog p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.soon {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stamp);
  display: block;
  margin-bottom: 0.35rem;
}

.mark-hero {
  width: min(100%, 22rem);
  margin: 0 auto 1.4rem;
  border: 1px solid var(--ink);
}

.footer-note {
  flex-basis: 100%;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--stamp);
  margin: 0.15rem 0 0;
}

@media (max-width: 760px) {
  .hero--photo,
  .split,
  .catalog,
  .zip-list li {
    grid-template-columns: 1fr;
  }

  .tabs .tab-buy {
    margin-left: 0;
  }
}