:root {
  color-scheme: light;
  --paper: #fffaf0;
  --paper-deep: #f6e8cf;
  --brown: #5b3423;
  --brown-dark: #351b12;
  --gold: #d99722;
  --line: rgba(91, 52, 35, 0.22);
}

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

html {
  background: var(--paper);
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  min-width: 320px;
  margin: 0;
  background: radial-gradient(rgba(218, 151, 34, 0.48) 1px, transparent 1.2px) 0 0 / 10px 10px, var(--paper);
  color: var(--brown);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.58;
}

a { color: inherit; }

.sg-about-skip {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--brown-dark);
  color: var(--paper);
  transform: translateY(-160%);
}

.sg-about-skip:focus { transform: none; }

.sg-about-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 14px clamp(24px, 5vw, 80px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.94);
  backdrop-filter: blur(16px);
}

.sg-about-brand, .sg-about-footer-brand {
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.sg-about-brand { font-size: 34px; }

.sg-about-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2.5vw, 38px);
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  text-transform: uppercase;
}

.sg-about-nav a { text-decoration: none; }

.sg-about-nav a:hover, .sg-about-nav a:focus-visible,
.sg-about-footer a:hover, .sg-about-footer a:focus-visible {
  color: #9b5b14;
  outline: 0;
}

.sg-about-nav-cta { padding: 9px 14px; border: 1px solid var(--brown); }
main { overflow: hidden; }

.sg-about-hero, .sg-about-section, .sg-about-feature-section,
.sg-about-book-callout, .sg-about-footer {
  width: min(1480px, calc(100% - 48px));
  margin-inline: auto;
}

.sg-about-hero {
  min-height: calc(100svh - 78px);
  display: grid;
  align-content: center;
  padding: clamp(86px, 11vw, 170px) clamp(8px, 4vw, 64px);
}

.sg-about-eyebrow, .sg-about-section-label, .sg-about-comparison-label {
  margin: 0;
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sg-about-eyebrow { margin-bottom: 24px; color: #8b5516; font-size: 14px; }

.sg-about-hero h1, .sg-about-section h2, .sg-about-feature-intro h2,
.sg-about-book-callout h2 {
  margin: 0;
  color: var(--brown-dark);
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.96;
  text-transform: uppercase;
  text-wrap: balance;
}

.sg-about-hero h1 { max-width: 1280px; font-size: clamp(58px, 9.2vw, 152px); }

.sg-about-hero-copy {
  max-width: 890px;
  margin: 38px 0 0;
  font-size: clamp(21px, 2vw, 31px);
  font-weight: 560;
  line-height: 1.42;
}

.sg-about-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.sg-about-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid var(--brown);
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-size: 15px;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: uppercase;
}

.sg-about-button:hover, .sg-about-button:focus-visible {
  outline: 0;
  box-shadow: 5px 5px 0 rgba(91, 52, 35, 0.18);
  transform: translate(-2px, -2px);
}

.sg-about-button--solid { background: var(--brown); color: var(--paper); }

.sg-about-section {
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 1.7fr);
  gap: clamp(32px, 6vw, 110px);
  padding: clamp(78px, 10vw, 150px) clamp(8px, 4vw, 64px);
  border-top: 1px solid var(--line);
}

.sg-about-section-label { padding-top: 10px; color: #8b5516; font-size: 12px; }

.sg-about-section h2, .sg-about-feature-intro h2, .sg-about-book-callout h2 {
  max-width: 1080px;
  font-size: clamp(44px, 6vw, 96px);
}

.sg-about-section p, .sg-about-feature-intro > p:last-child, .sg-about-book-callout > p {
  max-width: 920px;
  margin: 28px 0 0;
  font-size: clamp(18px, 1.55vw, 23px);
}

.sg-about-statement-copy > p:first-of-type, .sg-about-prose > p:first-of-type {
  font-size: clamp(23px, 2.15vw, 34px);
  font-weight: 620;
  line-height: 1.4;
}

.sg-about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  border: 1px solid var(--line);
  background: var(--line);
}

.sg-about-grid article {
  min-height: 220px;
  padding: clamp(26px, 3vw, 44px);
  background: rgba(255, 250, 240, 0.97);
}

.sg-about-grid h3, .sg-about-feature-list h3, .sg-about-answer-stack h3, .sg-about-steps h3 {
  margin: 0;
  color: var(--brown-dark);
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(23px, 2vw, 31px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.05;
  text-transform: uppercase;
}

.sg-about-grid p, .sg-about-feature-list p, .sg-about-answer-stack p, .sg-about-steps p {
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.55;
}

.sg-about-feature-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(48px, 8vw, 140px);
  padding: clamp(84px, 11vw, 170px) clamp(8px, 4vw, 64px);
  border-top: 1px solid var(--line);
}

.sg-about-feature-intro { position: sticky; top: 118px; align-self: start; }
.sg-about-feature-intro h2 { font-size: clamp(44px, 5.4vw, 88px); }
.sg-about-feature-list { border-top: 1px solid var(--brown); }

.sg-about-feature-list article {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.sg-about-feature-list article > span {
  color: #9b5b14;
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
}

.sg-about-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.sg-about-comparison-grid article {
  padding: clamp(28px, 4vw, 56px);
  border: 1px solid var(--brown);
  background: rgba(255, 250, 240, 0.88);
}

.sg-about-comparison-grid article:last-child { background: var(--brown); color: var(--paper); }
.sg-about-comparison-label { margin: 0 !important; font-size: 13px !important; }
.sg-about-answer-stack { margin-top: 42px; border-top: 1px solid var(--brown); }

.sg-about-answer-stack article {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
  gap: 40px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.sg-about-answer-stack p { margin-top: 0; }

.sg-about-steps {
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--brown);
}

.sg-about-steps li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 26px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.sg-about-steps li > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--brown);
  border-radius: 50%;
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
}

.sg-about-questions { margin-top: 42px; border-top: 1px solid var(--brown); }
.sg-about-questions details { border-bottom: 1px solid var(--line); }

.sg-about-questions summary {
  padding: 25px 44px 25px 0;
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(21px, 2vw, 30px);
  line-height: 1.15;
  cursor: pointer;
  text-transform: uppercase;
}

.sg-about-questions details p { margin: 0; padding: 0 0 28px; }

.sg-about-book-callout {
  margin-top: clamp(70px, 10vw, 150px);
  margin-bottom: clamp(70px, 10vw, 150px);
  padding: clamp(54px, 8vw, 110px);
  background: var(--brown-dark);
  color: var(--paper);
}

.sg-about-book-callout h2 { color: var(--paper); }

.sg-about-book-callout .sg-about-button {
  margin-top: 34px;
  border-color: var(--paper);
  background: var(--paper);
  color: var(--brown-dark);
}

.sg-about-footer {
  min-height: 220px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 50px;
  padding: 54px clamp(8px, 4vw, 64px) 70px;
  border-top: 1px solid var(--brown);
}

.sg-about-footer-brand { font-size: clamp(30px, 3vw, 50px); }

.sg-about-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 28px;
  font-family: "Bakbak One", ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  text-transform: uppercase;
}

.sg-about-footer nav a { text-decoration: none; }

@media (max-width: 900px) {
  .sg-about-header { position: relative; }
  .sg-about-nav a:not(.sg-about-nav-cta):not([href="/book/"]) { display: none; }
  .sg-about-hero, .sg-about-section, .sg-about-feature-section,
  .sg-about-book-callout, .sg-about-footer { width: min(100% - 32px, 1480px); }
  .sg-about-section, .sg-about-feature-section { grid-template-columns: 1fr; gap: 26px; }
  .sg-about-feature-intro { position: static; }
  .sg-about-section-label { padding-top: 0; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .sg-about-header { min-height: 68px; padding-inline: 18px; }
  .sg-about-brand { font-size: 28px; }
  .sg-about-nav { gap: 10px; font-size: 12px; }
  .sg-about-nav-cta { padding: 7px 10px; }
  .sg-about-hero { min-height: calc(100svh - 68px); padding-block: 72px; }
  .sg-about-hero h1 { font-size: clamp(42px, 12vw, 58px); }
  .sg-about-hero-copy { margin-top: 28px; font-size: 20px; }
  .sg-about-actions { display: grid; }
  .sg-about-section, .sg-about-feature-section { padding-block: 72px; }
  .sg-about-section h2, .sg-about-feature-intro h2, .sg-about-book-callout h2 { font-size: clamp(38px, 12vw, 54px); }
  .sg-about-grid, .sg-about-comparison-grid { grid-template-columns: 1fr; }
  .sg-about-grid article { min-height: 0; }
  .sg-about-answer-stack article { grid-template-columns: 1fr; gap: 14px; }
  .sg-about-answer-stack p { margin-top: 0; }
  .sg-about-book-callout { width: 100%; margin-bottom: 0; }
  .sg-about-footer { width: 100%; min-height: 0; display: grid; padding: 46px 24px 64px; }
  .sg-about-footer nav { display: grid; justify-content: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sg-about-button:hover, .sg-about-button:focus-visible { transform: none; }
}