/* ============================================================
   Design Tokens — "Technical Doc Studio" direction
   References: GitBook (sticky TOC) + Stripe Docs (violet accents)
              + Salesforce Knowledge (cards + numbered step badges)
   Distinctive vs sibling redesigns:
   - Inter (display) — unique among siblings
   - Inter (code/labels) — technical doc signature
   - #7c3aed violet accent — vs #ff8a3d / #2e7fff used elsewhere
   ============================================================ */
:root {
  --c-primary: #0033a0;
  --c-primary-deep: #001f5c;
  --c-primary-bright: #2e7fff;
  --c-primary-soft: #e6efff;
  --c-primary-mist: #f4f8ff;

  --c-accent: #7c3aed;
  --c-accent-bright: #a78bfa;
  --c-accent-soft: #ede9fe;
  --c-accent-deep: #5b21b6;

  --c-gold-1: #d4b572;
  --c-gold-2: #a3833a;
  --c-gold-3: #f0d896;
  --grad-gold: linear-gradient(135deg, #d4b572 0%, #a3833a 50%, #f0d896 100%);

  --c-ok: #059669;
  --c-ok-soft: #d1fae5;
  --c-warn: #d97706;
  --c-warn-soft: #fef3c7;
  --c-bad: #dc2626;
  --c-bad-soft: #fee2e2;

  --c-ink: #0f172a;
  --c-ink-2: #1e293b;
  --c-text: #334155;
  --c-mute: #64748b;
  --c-line: #e2e8f0;
  --c-line-2: #cbd5e1;
  --c-surface: #ffffff;
  --c-surface-2: #f8fafc;
  --c-surface-3: #f1f5f9;

  --ff-display: "Inter", "Inter", system-ui, -apple-system, sans-serif;
  --ff-body: "Inter", system-ui, -apple-system, sans-serif;
  --ff-mono: "Inter", "Menlo", "Consolas", monospace;
  --fs-h1: clamp(2rem, 4vw + 1rem, 3.25rem);
  --fs-h2: clamp(1.5rem, 2vw + 0.75rem, 2.125rem);
  --fs-h3: 1.125rem;
  --fs-body: 1rem;
  --fs-sm: 0.875rem;
  --fs-xs: 0.75rem;
  --lh-tight: 1.2;
  --lh-snug: 1.4;
  --lh-body: 1.65;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --sh-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --sh-sm: 0 2px 4px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.04);
  --sh-md:
    0 6px 16px -4px rgba(15, 23, 42, 0.08),
    0 2px 6px -2px rgba(15, 23, 42, 0.05);
  --sh-lg:
    0 24px 48px -12px rgba(15, 23, 42, 0.12),
    0 8px 16px -8px rgba(15, 23, 42, 0.08);
  --sh-accent: 0 16px 40px -12px rgba(124, 58, 237, 0.28);
  --sh-primary: 0 16px 40px -12px rgba(0, 51, 160, 0.32);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --nav-h: 64px;
  --toc-w: 260px;
  --content-w: 1280px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-text);
  background: var(--c-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}
a:hover {
  color: var(--c-accent);
}

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

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--ff-display);
  color: var(--c-ink);
  line-height: var(--lh-tight);
  font-weight: 700;
  letter-spacing: -0.01em;
}

code,
pre,
.mono {
  font-family: var(--ff-mono);
  font-feature-settings: "liga" 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 12px;
  background: var(--c-ink);
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: var(--fs-sm);
  font-weight: 600;
  z-index: 1000;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus {
  top: 12px;
  color: #fff;
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-accent) 100%);
  width: 0%;
  z-index: 1000;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.5);
}

/* ============ TOP NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-line);
}
.nav__inner {
  max-width: var(--content-w);
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-display);
  font-weight: 800;
  color: var(--c-ink);
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}
.nav__brand:hover {
  color: var(--c-primary);
}
.nav__brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(
    135deg,
    var(--c-primary) 0%,
    var(--c-accent) 100%
  );
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(0, 51, 160, 0.3);
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav__item {
  position: relative;
}
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--c-text);
  font-weight: 500;
  font-size: var(--fs-sm);
  transition: all 0.2s var(--ease-out);
}
.nav__link:hover {
  background: var(--c-surface-3);
  color: var(--c-primary);
}
.nav__link[aria-current="page"] {
  color: var(--c-primary);
  background: var(--c-primary-mist);
}
.nav__submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  padding: 8px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  box-shadow: var(--sh-lg);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.25s var(--ease-out);
}
.nav__item:hover .nav__submenu,
.nav__item:focus-within .nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav__submenu .nav__link {
  width: 100%;
}
.nav__cta {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}
.nav__toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  color: var(--c-ink);
}
@media (max-width: 980px) {
  .nav__menu {
    display: none;
  }
  .nav__toggle {
    display: inline-flex;
  }
  .nav__menu.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--c-surface);
    padding: 16px;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--sh-md);
    align-items: stretch;
  }
  .nav__cta {
    margin-left: 0;
  }
}

.crumbs {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 20px 24px 8px;
  font-size: var(--fs-sm);
  color: var(--c-mute);
}
.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  align-items: center;
}
.crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.crumbs li:not(:last-child)::after {
  content: "›";
  color: var(--c-line-2);
  font-size: 1rem;
}
.crumbs a {
  color: var(--c-mute);
}
.crumbs a:hover {
  color: var(--c-primary);
}
.crumbs [aria-current] {
  color: var(--c-ink);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  text-decoration: none;
}
.btn--primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: var(--sh-primary);
}
.btn--primary:hover {
  background: var(--c-primary-deep);
  color: #fff;
  transform: translateY(-1px);
}
.btn--accent {
  background: var(--c-accent);
  color: #fff;
  box-shadow: var(--sh-accent);
}
.btn--accent:hover {
  background: var(--c-accent-deep);
  color: #fff;
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-line-2);
}
.btn--outline:hover {
  border-color: var(--c-primary);
  background: var(--c-primary-mist);
}
.btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.btn--lg {
  padding: 14px 26px;
  font-size: var(--fs-body);
}
.btn--sm {
  padding: 8px 16px;
  font-size: var(--fs-xs);
}
.btn [data-lucide] {
  width: 16px;
  height: 16px;
}

/* ============ DOC LAYOUT ============ */
.doc-layout {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 24px 24px 80px;
  display: grid;
  grid-template-columns: var(--toc-w) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
@media (max-width: 1200px) {
  .doc-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.toc {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  max-height: calc(100vh - var(--nav-h) - 48px);
  overflow-y: auto;
  padding: 20px 0;
}
@media (max-width: 1200px) {
  .toc {
    display: none;
  }
}
.toc::-webkit-scrollbar {
  width: 6px;
}
.toc::-webkit-scrollbar-thumb {
  background: var(--c-line-2);
  border-radius: 3px;
}
.toc__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--c-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 12px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.toc__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.toc__link {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--c-text);
  font-size: var(--fs-sm);
  font-weight: 500;
  border-left: 2px solid transparent;
  transition: all 0.2s var(--ease-out);
}
.toc__link:hover {
  background: var(--c-surface-3);
  color: var(--c-primary);
}
.toc__link.is-active {
  color: var(--c-accent);
  font-weight: 600;
  background: var(--c-accent-soft);
  border-left-color: var(--c-accent);
}
.toc__link .num {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--c-mute);
  margin-right: 6px;
}
.toc__link.is-active .num {
  color: var(--c-accent);
}

/* ============ DOC MAIN ============ */
.doc-main {
  min-width: 0;
}
.doc-content {
  max-width: 760px;
  margin: 0 auto;
}
@media (min-width: 1201px) {
  .doc-content {
    margin: 0;
  }
}

.doc-hero {
  position: relative;
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 40px;
}
.doc-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 100% 0%,
      rgba(124, 58, 237, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 0% 100%,
      rgba(0, 51, 160, 0.06) 0%,
      transparent 50%
    );
  pointer-events: none;
}
.doc-hero__inner {
  position: relative;
}
.doc-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--c-accent-soft);
  color: var(--c-accent-deep);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.doc-hero__title {
  font-size: var(--fs-h1);
  font-weight: 800;
  margin-bottom: 18px;
  max-width: 720px;
  background: linear-gradient(
    135deg,
    var(--c-ink) 0%,
    var(--c-primary) 60%,
    var(--c-accent) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.doc-hero__lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--c-text);
  max-width: 680px;
  margin-bottom: 24px;
}
.doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 0;
  margin-bottom: 24px;
  border-top: 1px dashed var(--c-line);
  border-bottom: 1px dashed var(--c-line);
}
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--c-text);
}
.meta-chip [data-lucide] {
  width: 14px;
  height: 14px;
  color: var(--c-accent);
}
.meta-chip strong {
  color: var(--c-ink);
  font-weight: 600;
}
.doc-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Section base */
.section {
  margin-bottom: 60px;
  scroll-margin-top: 90px;
  padding: 10px 0;
}
.section-head {
  margin-bottom: 28px;
}
.section-head .eyebrow {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--c-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-head h2 .h2-num {
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  color: var(--c-accent);
  background: var(--c-accent-soft);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-grid;
  place-items: center;
  font-weight: 700;
  flex-shrink: 0;
}
.section-head p {
  color: var(--c-mute);
  font-size: 1.0625rem;
  max-width: 680px;
}

/* Clear Answer (GEO) */
.clear-answer {
  position: relative;
  background: linear-gradient(
    135deg,
    var(--c-primary-mist) 0%,
    var(--c-accent-soft) 100%
  );
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border-left: 4px solid var(--c-accent);
  margin-bottom: 56px;
}
.clear-answer::before {
  content:"\201C";
  position: absolute;
  top: -20px;
  left: 20px;
  font-family: var(--ff-display);
  font-size: 5rem;
  color: var(--c-accent);
  opacity: 0.25;
  line-height: 1;
}
.clear-answer p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--c-ink-2);
  position: relative;
}
.clear-answer strong {
  color: var(--c-primary);
}

/* Cards */
.grid {
  display: grid;
  gap: 16px;
}
.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 860px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 560px) and (max-width: 860px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: all 0.25s var(--ease-out);
}
.card:hover {
  border-color: var(--c-accent-bright);
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
}
.card h3 {
  font-size: var(--fs-h3);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card h3 [data-lucide] {
  width: 18px;
  height: 18px;
}
.card p {
  color: var(--c-text);
  font-size: 0.9375rem;
}

/* File type card */
.file-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.25s var(--ease-out);
}
.file-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
}
.file-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--c-surface-2);
  border-bottom: 1px solid var(--c-line);
}
.file-card__ext {
  font-family: var(--ff-mono);
  font-weight: 600;
  color: var(--c-primary);
  font-size: var(--fs-sm);
}
.file-card__badge {
  font-family: var(--ff-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.badge--ok {
  background: var(--c-ok-soft);
  color: var(--c-ok);
}
.badge--warn {
  background: var(--c-warn-soft);
  color: var(--c-warn);
}
.badge--bad {
  background: var(--c-bad-soft);
  color: var(--c-bad);
}
.badge--info {
  background: var(--c-primary-soft);
  color: var(--c-primary);
}
.file-card__body {
  padding: 14px 16px;
}
.file-card__title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-ink);
  margin-bottom: 6px;
}
.file-card__desc {
  font-size: var(--fs-sm);
  color: var(--c-text);
}

/* Terminal-style spec block */
.terminal {
  background: #0f172a;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  margin: 16px 0;
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #1e293b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.terminal__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.terminal__dot--r {
  background: #ef4444;
}
.terminal__dot--y {
  background: #eab308;
}
.terminal__dot--g {
  background: #22c55e;
}
.terminal__name {
  margin-left: 8px;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: #94a3b8;
}
.terminal__body {
  padding: 18px 20px;
  font-family: var(--ff-mono);
  font-size: 13px;
  line-height: 1.7;
}
.terminal__row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.terminal__key {
  color: #a78bfa;
  min-width: 110px;
  font-weight: 600;
}
.terminal__arrow {
  color: #64748b;
}
.terminal__val {
  color: #e2e8f0;
  flex: 1;
  min-width: 0;
}
.terminal__val .accent {
  color: #fbbf24;
}
.terminal__comment {
  color: #64748b;
  font-style: italic;
}

/* Bleed diagram */
.bleed-diagram {
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 32px;
  margin: 16px 0;
}
.bleed-diagram svg {
  display: block;
  margin: 0 auto;
  max-width: 460px;
}
.bleed-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  color: var(--c-text);
}
.legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* Spec table */
.spec-table-wrap {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 16px 0;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.spec-table th,
.spec-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
}
.spec-table thead th {
  background: var(--c-surface-2);
  color: var(--c-ink-2);
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.spec-table tbody tr:last-child td {
  border-bottom: 0;
}
.spec-table tbody tr:hover {
  background: var(--c-primary-mist);
}
.spec-table .mono-cell {
  font-family: var(--ff-mono);
  color: var(--c-primary);
  font-weight: 600;
  font-size: 0.875rem;
}
.spec-table .element-cell {
  font-weight: 600;
  color: var(--c-ink);
}
.spec-table .reco-cell {
  color: var(--c-text);
}

/* Min-detail list */
.detail-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.detail-row {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 16px;
  padding: 14px 18px;
  align-items: center;
  border-bottom: 1px solid var(--c-line);
  font-size: 0.9375rem;
}
.detail-row:last-child {
  border-bottom: 0;
}
.detail-row:nth-child(even) {
  background: var(--c-surface-2);
}
.detail-row .el {
  font-weight: 600;
  color: var(--c-ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.detail-row .el [data-lucide] {
  width: 16px;
  height: 16px;
  color: var(--c-accent);
}
.detail-row .rec {
  color: var(--c-text);
}
.detail-row .verdict {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  white-space: nowrap;
}
.verdict--bad {
  background: var(--c-bad-soft);
  color: var(--c-bad);
}
.verdict--ok {
  background: var(--c-ok-soft);
  color: var(--c-ok);
}
.verdict--warn {
  background: var(--c-warn-soft);
  color: var(--c-warn);
}
@media (max-width: 640px) {
  .detail-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* Mistake cards */
.mistake-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: all 0.25s var(--ease-out);
}
.mistake-card:hover {
  border-color: var(--c-bad);
  box-shadow: var(--sh-md);
}
.mistake-card__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: 10px;
  font-family: var(--ff-display);
}
.mistake-card__title [data-lucide] {
  width: 18px;
  height: 18px;
  color: var(--c-bad);
  flex-shrink: 0;
}
.mistake-card__problem {
  color: var(--c-text);
  font-size: 0.9375rem;
  margin-bottom: 12px;
}
.mistake-card__fix {
  background: var(--c-ok-soft);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.875rem;
  color: #065f46;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.mistake-card__fix [data-lucide] {
  width: 16px;
  height: 16px;
  color: var(--c-ok);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Example cards */
.example-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  transition: all 0.3s var(--ease-out);
}
.example-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--sh-lg);
  transform: translateY(-3px);
}
.example-card__swatch {
  height: 96px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.25rem;
}
.example-card__swatch--candle {
  background: linear-gradient(135deg, #1c1917 0%, #44403c 100%);
}
.example-card__swatch--cosmetic {
  background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
  color: #831843;
}
.example-card__swatch--wine {
  background: linear-gradient(135deg, #7f1d1d 0%, #450a0a 100%);
}
.example-card__swatch--sticker {
  background: linear-gradient(135deg, #d4a574 0%, #b8854d 100%);
  color: #fff;
}
.example-card__swatch--kraft {
  background: linear-gradient(135deg, #d4a574 0%, #b8854d 100%);
  color: #fff;
}
.example-card__swatch--custom {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fbbf24;
}
.example-card__body {
  padding: 18px 20px;
}
.example-card__title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--c-ink);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.example-card__title .tag {
  font-family: var(--ff-mono);
  font-size: 10px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}
.example-card__desc {
  font-size: var(--fs-sm);
  color: var(--c-text);
}

/* Process steps */
.steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}
.step {
  counter-increment: step;
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 20px 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: all 0.25s var(--ease-out);
  margin-top: 10px;
  margin-bottom: 10px;
}
.step:hover {
  border-color: var(--c-accent);
  box-shadow: var(--sh-sm);
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--ff-mono);
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(
    135deg,
    var(--c-primary) 0%,
    var(--c-accent) 100%
  );
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  box-shadow: var(--sh-primary);
}
.step h3 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
  color: var(--c-ink);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--ff-display);
}
.step h3 .duration {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  background: var(--c-surface-3);
  color: var(--c-mute);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: 500;
}
.step p {
  font-size: 0.9375rem;
  color: var(--c-text);
}
@media (max-width: 540px) {
  .step {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Prepress grid */
.prepress-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 720px) {
  .prepress-grid {
    grid-template-columns: 1fr;
  }
}
.prepress-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: all 0.25s var(--ease-out);
}
.prepress-item:hover {
  border-color: var(--c-accent);
  box-shadow: var(--sh-sm);
}
.prepress-item [data-lucide] {
  width: 22px;
  height: 22px;
  color: var(--c-ok);
  flex-shrink: 0;
  margin-top: 1px;
}
.prepress-item h4 {
  font-size: 1rem;
  color: var(--c-ink);
  font-weight: 600;
  margin-bottom: 4px;
  font-family: var(--ff-display);
}
.prepress-item p {
  font-size: var(--fs-sm);
  color: var(--c-text);
}

/* Callout */
.callout {
  background: linear-gradient(
    135deg,
    var(--c-primary) 0%,
    var(--c-accent) 100%
  );
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-top: 16px;
  position: relative;
  overflow: hidden;
}
.callout::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.15) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.callout h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-display);
}
.callout h3 [data-lucide] {
  width: 22px;
  height: 22px;
  color: #fff;
}
.callout p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
  max-width: 560px;
}
.callout .btn {
  margin-right: 8px;
  margin-bottom: 8px;
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.25s var(--ease-out);
}
.faq-item[open] {
  border-color: var(--c-accent);
  box-shadow: var(--sh-sm);
}
.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-family: var(--ff-display);
  font-weight: 600;
  color: var(--c-ink);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--c-accent);
  font-weight: 400;
  transition: transform 0.25s var(--ease-out);
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  content:"\2212";
}
.faq-item summary:hover {
  color: var(--c-accent);
}
.faq-item p {
  padding: 0 20px 18px;
  color: var(--c-text);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* Final CTA */
.final-cta {
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  text-align: center;
  margin-top: 56px;
}
.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(124, 58, 237, 0.4) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(0, 51, 160, 0.5) 0%,
      transparent 50%
    );
  pointer-events: none;
}
.final-cta__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}
.final-cta h2 {
  color: #fff;
  font-size: var(--fs-h2);
  margin-bottom: 14px;
}
.final-cta p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  margin-bottom: 28px;
}
.final-cta__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.final-cta__btns .btn {
  min-width: 220px;
}

/* Footer */
.footer {
  background: var(--c-ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 24px 32px;
}
.footer__inner {
  max-width: var(--content-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 860px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer__inner > *:first-child {
    grid-column: 1 / -1;
  }
}
.footer__brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer__brand-name strong {
  color: #fff;
  font-family: var(--ff-display);
  font-size: 1.125rem;
}
.footer__col h4 {
  color: #fff;
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  font-family: var(--ff-display);
}
.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer__col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-sm);
}
.footer__col a:hover {
  color: #fff;
}
.footer__loc {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.5);
  margin-top: 12px;
}
.footer__bottom {
  max-width: var(--content-w);
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* Sticky mobile CTA */
.sticky-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--c-line);
  padding: 10px 16px;
  display: none;
  z-index: 90;
}
@media (max-width: 720px) {
  .sticky-bottom {
    display: block;
  }
  body {
    padding-bottom: 64px;
  }
}
.sticky-bottom__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
}
.sticky-bottom .btn {
  padding: 10px 12px;
  font-size: var(--fs-sm);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.6s var(--ease-out),
    transform 0.6s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * {
    scroll-behavior: auto !important;
  }
}

@media print {
  .nav,
  .toc,
  .sticky-bottom,
  .progress-bar,
  .doc-hero__bg {
    display: none !important;
  }
  .doc-layout {
    display: block;
  }
  body {
    color: #000;
  }
}

:focus-visible {
  outline: 3px solid var(--c-accent-bright);
  outline-offset: 2px;
  border-radius: 4px;
}