:root {
  --ink: #21160f;
  --paper: #fff8e8;
  --cream: #fffdf5;
  --mint: #51d58b;
  --yellow: #ffc83d;
  --coral: #ff6b57;
  --sky: #75d6ff;
  --line: rgba(33, 22, 15, 0.14);
  --shadow: rgba(33, 22, 15, 0.22);
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "Nunito", ui-rounded, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgba(33, 22, 15, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(33, 22, 15, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, #fff8e8 0%, #f7fff2 47%, #eaf8ff 100%);
  background-size: 34px 34px, 34px 34px, auto;
}

a {
  color: inherit;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 2px solid rgba(33, 22, 15, 0.1);
  background: rgba(255, 248, 232, 0.88);
  backdrop-filter: blur(18px);
}

.topbar-inner,
.page {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.topbar-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  width: 178px;
}

.nav-links,
footer nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.94rem;
  font-weight: 850;
}

.nav-links a,
footer a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(310px, 0.68fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(38px, 7vw, 78px) 0 38px;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 18px;
  padding: 8px 12px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--yellow);
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 7.2vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.lead {
  max-width: 710px;
  margin: 26px 0 0;
  font-size: clamp(1.08rem, 1.65vw, 1.3rem);
  line-height: 1.58;
  font-weight: 650;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: var(--cream);
  box-shadow: 5px 5px 0 var(--yellow);
  font-weight: 950;
  text-decoration: none;
}

.button.secondary {
  background: var(--cream);
  color: var(--ink);
  box-shadow: 5px 5px 0 var(--mint);
}

.hero-card {
  position: relative;
  padding: 18px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--cream);
  box-shadow: 12px 12px 0 var(--ink);
  transform: rotate(2deg);
}

.hero-card img {
  width: min(230px, 65vw);
  margin: 0 auto;
}

.hero-card strong {
  display: block;
  margin-top: 14px;
  padding: 10px 12px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--coral);
  font-size: 1.1rem;
  text-align: center;
}

.fact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 6px 0 54px;
}

.fact,
.card,
.faq,
.note,
.toc {
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--cream);
}

.fact {
  min-height: 126px;
  padding: 18px;
  box-shadow: 6px 6px 0 var(--ink);
}

.fact strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.2rem;
  line-height: 1.08;
}

.fact span,
.card p,
.faq p,
.note p,
.toc a,
li {
  font-weight: 700;
  line-height: 1.55;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 0.64fr) minmax(280px, 0.36fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
  padding-bottom: 68px;
}

.content {
  display: grid;
  gap: 18px;
}

.card {
  padding: clamp(22px, 3vw, 30px);
}

.card:nth-child(3n + 1) {
  background: #eafff2;
}

.card:nth-child(3n + 2) {
  background: #fff1ce;
}

.card:nth-child(3n) {
  background: #e9f8ff;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.7rem, 3.2vw, 3rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
}

p {
  margin: 0;
}

.card p + p,
.card ul,
.card ol,
.comparison-table,
.source-list {
  margin-top: 14px;
}

.card ul,
.card ol {
  padding-left: 22px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--cream);
  font-weight: 750;
}

.comparison-table th,
.comparison-table td {
  padding: 13px 14px;
  border: 1px solid rgba(33, 22, 15, 0.18);
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  background: var(--yellow);
  font-weight: 950;
}

.comparison-table tr:nth-child(even) td {
  background: rgba(255, 253, 245, 0.7);
}

.pick-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.pick {
  padding: 16px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--cream);
}

.pick strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.source-list {
  padding-left: 20px;
  font-size: 0.94rem;
}

.source-list a {
  font-weight: 850;
}

.toc {
  position: sticky;
  top: 94px;
  padding: 18px;
  box-shadow: 6px 6px 0 var(--mint);
}

.toc strong {
  display: block;
  margin-bottom: 12px;
  font-size: 1.18rem;
}

.toc a {
  display: block;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.note {
  margin-top: 18px;
  padding: 18px;
  background: #ffece8;
  box-shadow: 6px 6px 0 var(--coral);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq {
  padding: 18px;
}

.related {
  padding: 42px 0 72px;
}

.related h2 {
  max-width: 780px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.related a {
  min-height: 120px;
  padding: 18px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--cream);
  box-shadow: 5px 5px 0 var(--ink);
  font-weight: 950;
  line-height: 1.25;
  text-decoration: none;
}

.cta {
  margin-bottom: 42px;
  padding: clamp(28px, 5vw, 48px);
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: var(--cream);
}

.cta h2 {
  max-width: 820px;
}

.cta p {
  max-width: 680px;
  margin-top: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.6;
}

.cta .button {
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 5px 5px 0 var(--cream);
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 34px;
  font-size: 0.95rem;
  font-weight: 800;
}

@media (max-width: 900px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
  }

  .fact-strip,
  .faq-grid,
  .related-grid,
  .pick-list {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .topbar-inner,
  .page {
    width: min(100vw, 390px);
    max-width: min(100vw, 390px);
    margin-left: 0;
    margin-right: 0;
    padding-left: 16px;
    padding-right: 16px;
    overflow: hidden;
  }

  .logo {
    width: 132px;
  }

  .nav-links {
    gap: 10px;
    font-size: 0.78rem;
  }

  .nav-links a:nth-child(2) {
    display: none;
  }

  h1,
  h2,
  .lead,
  .eyebrow,
  .actions {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4rem);
  }

  .button {
    flex: 1 1 160px;
    min-width: 0;
    padding-inline: 14px;
  }

  .hero-card {
    width: calc(100% - 7px);
    box-shadow: 7px 7px 0 var(--ink);
    transform: none;
  }

  .hero-card strong {
    overflow-wrap: anywhere;
  }

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