:root {
  --paper: #fff;
  --paper-soft: #fff;
  --ink: #171520;
  --ink-soft: #4f4a59;
  --ink-faint: #7e7888;
  --line: rgba(37, 29, 45, 0.12);
  --line-strong: rgba(37, 29, 45, 0.22);
  --rose: #c96970;
  --rose-deep: #985157;
  --peach: #efad98;
  --indigo: #4a5ba8;
  --gold: #c89a4f;
  --serif: "Fraunces", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --page: 1160px;
  --reading: 720px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(201, 105, 112, 0.22);
}

a {
  color: var(--rose-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--indigo);
}

a:focus-visible,
summary:focus-visible {
  border-radius: 4px;
  outline: 3px solid rgba(74, 91, 168, 0.35);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding: 12px var(--gutter);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 251, 0.88);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 350;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand svg {
  flex: 0 0 auto;
}

.brand-product {
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
  color: var(--rose-deep);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  min-height: 42px;
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: rgba(201, 105, 112, 0.1);
  color: var(--rose-deep);
}

.doc-header {
  padding: clamp(64px, 9vw, 120px) var(--gutter) clamp(48px, 7vw, 80px);
  border-bottom: 1px solid var(--line);
}

.doc-header-inner {
  max-width: var(--page);
  margin: 0 auto;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 24px;
  color: var(--rose-deep);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--peach), var(--rose));
  box-shadow: 0 0 0 5px rgba(201, 105, 112, 0.1);
  content: "";
}

h1 {
  max-width: 900px;
  margin: 0 0 30px;
  font-family: var(--serif);
  font-size: clamp(46px, 7vw, 88px);
  font-weight: 300;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

h1 em {
  color: var(--rose-deep);
  font-weight: 350;
}

.lede {
  max-width: 760px;
  margin: 0 0 36px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.55;
}

.doc-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.doc-meta div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.doc-meta span {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doc-meta strong {
  font-size: 14px;
  font-weight: 650;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: var(--page);
  margin: 0 auto;
  padding: 24px var(--gutter);
  border-bottom: 1px solid var(--line);
}

.quick-links a {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.quick-links a:hover {
  border-color: rgba(201, 105, 112, 0.4);
  color: var(--rose-deep);
}

.doc-body {
  max-width: var(--page);
  margin: 0 auto;
  padding: clamp(54px, 8vw, 96px) var(--gutter);
}

.doc-section {
  display: grid;
  grid-template-columns: 180px minmax(0, var(--reading));
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  margin-bottom: clamp(54px, 7vw, 84px);
  scroll-margin-top: 96px;
}

.section-label {
  position: sticky;
  top: 98px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding-top: 7px;
}

.section-number {
  color: var(--rose-deep);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1;
}

.section-name {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  line-height: 1.45;
  text-transform: uppercase;
}

.section-content h2 {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-size: clamp(29px, 3vw, 39px);
  font-weight: 350;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.section-content h3 {
  margin: 30px 0 12px;
  font-size: 17px;
  line-height: 1.4;
}

.section-content p {
  margin: 0 0 18px;
  color: var(--ink-soft);
}

.section-content ul,
.section-content ol {
  margin: 18px 0 22px;
  padding-left: 1.35rem;
  color: var(--ink-soft);
}

.section-content li {
  margin-bottom: 10px;
  padding-left: 0.3rem;
}

.section-content strong {
  color: var(--ink);
  font-weight: 650;
}

.callout {
  margin: 26px 0;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--rose);
  border-radius: 4px var(--radius) var(--radius) 4px;
  background: linear-gradient(135deg, rgba(239, 173, 152, 0.11), rgba(255, 255, 255, 0.72));
}

.callout-label {
  margin-bottom: 9px;
  color: var(--rose-deep);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.callout p:last-child {
  margin-bottom: 0;
}

.contact-card {
  display: grid;
  gap: 18px;
  margin: 26px 0;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 22px 70px -48px rgba(75, 38, 56, 0.55);
}

.contact-card .contact-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 350;
  line-height: 1.25;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 18px;
  border: 1px solid var(--rose-deep);
  border-radius: 999px;
  background: var(--rose-deep);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  background: var(--ink);
  color: #fff;
}

.button.secondary {
  background: transparent;
  color: var(--rose-deep);
}

.button.secondary:hover {
  background: rgba(201, 105, 112, 0.1);
  color: var(--rose-deep);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
}

summary {
  position: relative;
  padding: 20px 52px 20px 20px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--rose-deep);
  content: "+";
  font-family: var(--mono);
  font-size: 22px;
  transform: translateY(-50%);
}

details[open] summary::after {
  content: "−";
}

.detail-body {
  padding: 0 20px 20px;
  color: var(--ink-soft);
}

.detail-body p:last-child,
.detail-body ul:last-child {
  margin-bottom: 0;
}

footer {
  padding: 44px var(--gutter);
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--page);
  margin: 0 auto;
}

.footer-copy {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 13px;
}

@media (max-width: 820px) {
  .site-nav {
    align-items: flex-start;
    gap: 14px;
  }

  .nav-links {
    max-width: 55vw;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .nav-links a {
    min-height: 38px;
    padding: 7px 10px;
    font-size: 9px;
  }

  .doc-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .doc-section {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .section-label {
    position: static;
    flex-direction: row;
    align-items: baseline;
    padding-top: 0;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
    line-height: 1.72;
  }

  .site-nav {
    position: relative;
    flex-direction: column;
    min-height: auto;
    padding-top: 18px;
    padding-bottom: 14px;
  }

  .brand {
    font-size: 20px;
  }

  .brand-product {
    font-size: 10px;
  }

  .nav-links {
    width: 100%;
    max-width: none;
    justify-content: flex-start;
    gap: 4px;
  }

  .nav-links a {
    min-height: 40px;
    padding: 8px 9px;
  }

  .doc-header {
    padding-top: 52px;
  }

  h1 {
    font-size: clamp(42px, 14vw, 58px);
    line-height: 1.08;
  }

  .lede {
    font-size: 20px;
    line-height: 1.58;
  }

  .doc-meta {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .quick-links {
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .doc-body {
    padding-top: 52px;
  }

  .doc-section {
    margin-bottom: 58px;
  }

  .section-content h2 {
    font-size: 30px;
  }

  .section-content p,
  .section-content li {
    line-height: 1.76;
  }

  .callout {
    padding: 20px;
  }

  .button-row {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  body::before,
  .site-nav,
  .quick-links,
  footer {
    display: none;
  }

  .doc-header,
  .doc-body {
    padding: 24px 0;
  }

  .doc-section {
    display: block;
    break-inside: avoid;
  }

  .section-label {
    position: static;
    margin-bottom: 8px;
  }
}