:root {
  color-scheme: light;
  --ink: #11110f;
  --muted: #5e5b53;
  --paper: #f4f1e8;
  --paper-soft: #fbfaf5;
  --card: #e6ddcf;
  --line: #cec4b5;
  --black: #11110f;
  --white: #ffffff;
  --accent: #155e63;
  --accent-hover: #0d484c;
  --shadow: 0 26px 70px rgba(17, 17, 15, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Avenir Next", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  min-height: 86px;
  padding: 0 clamp(24px, 4vw, 80px);
  border-bottom: 1px solid rgba(17, 17, 15, 0.06);
  background: rgba(244, 241, 232, 0.82);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: baseline;
  color: var(--ink);
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  text-decoration: none;
  text-transform: none;
}

.brand-mark {
  display: inline;
  width: auto;
  height: auto;
  background: none;
  color: var(--ink);
}

.brand span:last-child {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 750;
}

.nav {
  display: flex;
  gap: clamp(18px, 3vw, 42px);
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  font-size: 1rem;
  font-style: normal;
  font-weight: 750;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.signal-bars {
  display: none;
}

.signal-bars span {
  display: none;
}

.ticker {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 18px;
  width: min(100% - 48px, 1180px);
  margin: clamp(24px, 3.5vw, 44px) auto clamp(14px, 2vw, 24px);
  padding: 14px 18px;
  border: 1px solid rgba(17, 17, 15, 0.08);
  border-radius: 18px;
  background: rgba(251, 250, 245, 0.88);
  box-shadow: 0 14px 36px rgba(17, 17, 15, 0.1);
  backdrop-filter: blur(18px);
  white-space: normal;
  font-size: clamp(1rem, 1.5vw, 1.22rem);
  font-weight: 850;
}

.ticker strong {
  display: inline-flex;
  flex: 0 0 auto;
  margin-bottom: 0;
  padding: 9px 13px;
  border-radius: 11px;
  background: var(--accent);
  color: var(--paper);
  font-size: 0.82rem;
  line-height: 1;
}

.ticker span {
  display: block;
  max-width: none;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.04rem, 1.55vw, 1.35rem);
  line-height: 1.28;
}

.hero {
  position: relative;
  display: grid;
  grid-template-rows: clamp(410px, 44vw, 560px) auto auto;
  min-height: 0;
  margin: 0 clamp(16px, 3vw, 48px) clamp(34px, 5vw, 70px);
  border-radius: 18px;
  overflow: hidden;
  background: var(--black);
  color: var(--paper);
}

.hero::after {
  content: "";
  grid-column: 1;
  grid-row: 2 / 4;
  background: var(--black);
  z-index: 0;
}

.hero-image,
.hero-shade {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 52% 40%;
  z-index: 0;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(17, 17, 15, 0.18), rgba(17, 17, 15, 0.03) 52%, rgba(17, 17, 15, 0.12)),
    linear-gradient(0deg, rgba(17, 17, 15, 0.78), rgba(17, 17, 15, 0.02) 54%);
  z-index: 1;
}

.hero-content {
  display: contents;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero .eyebrow {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  width: fit-content;
  max-width: min(100% - 64px, 1180px);
  margin: clamp(24px, 3vw, 34px) max(32px, calc((100% - 1180px) / 2)) 0;
  color: #eee7dc;
  z-index: 2;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  margin-bottom: 0;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.96;
  text-wrap: balance;
}

h1 {
  max-width: 1100px;
  font-size: clamp(2.65rem, 4vw, 4.1rem);
}

.hero h1 {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  align-self: end;
  width: min(100% - 64px, 1040px);
  margin: 0 max(32px, calc((100% - 1180px) / 2)) clamp(26px, 4vw, 46px);
  color: var(--paper);
  z-index: 2;
}

h2 {
  max-width: 920px;
  font-size: clamp(2.45rem, 5.4vw, 5.4rem);
}

.hero-copy {
  position: relative;
  grid-column: 1;
  grid-row: 2;
  max-width: 1050px;
  margin: 0;
  padding: clamp(28px, 3.5vw, 42px) max(32px, calc((100% - 1180px) / 2)) 0;
  color: #d9d1c5;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 1.45vw, 1.28rem);
  line-height: 1.22;
  z-index: 1;
}

.hero-actions {
  position: relative;
  grid-column: 1;
  grid-row: 3;
  padding: 0 max(32px, calc((100% - 1180px) / 2)) clamp(30px, 3.5vw, 42px);
  z-index: 1;
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border: 0;
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  font: inherit;
  font-size: 1.06rem;
  font-weight: 900;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button.primary {
  background: var(--paper);
  color: var(--black);
  box-shadow: 0 12px 30px rgba(17, 17, 15, 0.16);
}

.hero .button.primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

.button.primary::after {
  content: "→";
  margin-left: 12px;
  font-size: 1.1em;
  line-height: 1;
}

.button:hover {
  transform: translateY(-2px);
}

.button.secondary {
  border: 1px solid rgba(244, 241, 232, 0.35);
  background: transparent;
  color: var(--paper);
}

.button.secondary:hover {
  border-color: rgba(244, 241, 232, 0.72);
  background: rgba(244, 241, 232, 0.08);
}

.book-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.65fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
  margin: clamp(24px, 4vw, 54px) clamp(16px, 3vw, 48px) clamp(34px, 5vw, 70px);
  padding: clamp(34px, 6vw, 80px) max(28px, calc((100% - 1180px) / 2));
  border-radius: 18px;
  background: var(--black);
  color: var(--paper);
  overflow: hidden;
}

.book-hero h1 {
  max-width: 900px;
  color: var(--paper);
  font-size: clamp(3.1rem, 7vw, 7.4rem);
}

.book-hero .hero-copy {
  max-width: 760px;
  margin-top: 26px;
  padding: 0;
  color: #e4ded4;
  font-size: clamp(1.25rem, 2.1vw, 1.9rem);
}

.book-hero .hero-actions {
  padding: 0;
}

.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.book-meta span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid rgba(251, 250, 245, 0.18);
  border-radius: 999px;
  color: #e4ded4;
  font-weight: 850;
}

.book-cover-wrap {
  margin: 0;
  justify-self: center;
}

.book-cover {
  display: block;
  width: min(100%, 360px);
  height: auto;
  border-radius: 10px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.42);
}

.intro {
  padding: clamp(54px, 7vw, 96px) clamp(24px, 4vw, 80px);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.intro p {
  width: min(100%, 1180px);
  margin: 0 auto;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.3rem, 2.25vw, 2rem);
  line-height: 1.24;
}

.section {
  padding: clamp(84px, 10vw, 142px) clamp(24px, 4vw, 80px);
}

.section.dark,
.section.light,
.section.color {
  background: var(--paper);
  color: var(--ink);
}

.layout,
.section-heading,
.card-grid,
.faq {
  width: min(100%, 1320px);
  margin-inline: auto;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(30px, 5vw, 72px);
}

.section-heading {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.section-intro {
  max-width: 850px;
  margin: 18px 0 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.16rem, 1.9vw, 1.6rem);
  line-height: 1.3;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 44px);
}

.card {
  display: flex;
  min-height: 240px;
  flex-direction: column;
  padding: clamp(30px, 3.4vw, 44px);
  border-radius: 26px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0;
  font-size: clamp(1.6rem, 2.7vw, 2.65rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.card p,
.card li {
  margin: 18px 0 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.08rem, 1.55vw, 1.35rem);
  line-height: 1.28;
}

.line-list {
  display: grid;
  gap: 0;
}

.line-list p,
.faq details {
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: clamp(1.05rem, 1.55vw, 1.3rem);
  line-height: 1.32;
}

.line-list strong,
.faq summary {
  color: var(--ink);
  font-weight: 900;
}

.faq summary {
  cursor: pointer;
}

.faq p {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
}

.credibility {
  padding: clamp(84px, 10vw, 140px) clamp(24px, 4vw, 80px);
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
}

.credibility-inner {
  width: min(100%, 1320px);
  margin-inline: auto;
}

.logo-strip {
  display: flex;
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: clamp(24px, 3.4vw, 42px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(230, 221, 207, 0.44);
}

.logo-tile {
  display: grid;
  min-height: 56px;
  place-items: center;
  padding: 0;
  background: transparent;
}

.logo-tile img {
  display: block;
  width: auto;
  max-width: clamp(92px, 12vw, 160px);
  max-height: 46px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.68;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 1px;
  margin-top: clamp(24px, 3.4vw, 42px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--line);
}

.review-card {
  display: flex;
  min-height: 0;
  flex-direction: column;
  padding: clamp(24px, 2.2vw, 32px);
  border-radius: 0;
  background: var(--paper);
  box-shadow: none;
}

.review-card p {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.04rem, 1.35vw, 1.22rem);
  line-height: 1.3;
}

.review-card cite {
  display: block;
  margin-top: 18px;
  padding-top: 0;
  color: var(--muted);
  font-style: normal;
  font-weight: 850;
}

.proof-link {
  display: inline-flex;
  margin-top: 28px;
  color: var(--accent);
  font-size: 1.08rem;
  font-weight: 900;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.cta {
  border-top: 1px solid var(--line);
  background: var(--black);
  color: var(--paper);
}

.cta .layout {
  align-items: end;
}

.cta .eyebrow {
  color: #d9d1c5;
}

.cta p {
  color: #d9d1c5;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.25;
}

.cta .button.primary,
.section.color .button.primary {
  min-width: min(100%, 300px);
  min-height: 76px;
  padding-inline: 40px;
  background: var(--accent);
  color: var(--white);
  font-size: clamp(1.18rem, 1.9vw, 1.52rem);
  box-shadow: 0 18px 44px rgba(17, 17, 15, 0.18);
}

.cta .button.primary:hover,
.section.color .button.primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 22px 54px rgba(17, 17, 15, 0.24);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(24px, 4vw, 80px);
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
}

.footer a {
  font-weight: 750;
  text-decoration: none;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr;
    align-items: start;
    padding-block: 18px;
  }

  .nav {
    justify-content: flex-start;
  }

  .layout,
  .card-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    grid-template-rows: clamp(360px, 52vw, 500px) auto auto;
  }
}

@media (max-width: 680px) {
  .ticker {
    display: block;
    width: min(100% - 32px, 1180px);
    margin-top: 18px;
    margin-bottom: 14px;
    border-radius: 14px;
  }

  .ticker strong {
    margin-bottom: 10px;
    border-radius: 10px;
  }

  .hero {
    grid-template-rows: clamp(300px, 72vw, 390px) auto auto;
    margin-inline: 12px;
    border-radius: 14px;
  }

  .hero-image {
    object-position: 58% 42%;
  }

  h1 {
    font-size: clamp(2.2rem, 10vw, 3rem);
  }

  .hero .eyebrow {
    max-width: calc(100% - 40px);
    margin: 22px 20px 0;
  }

  .hero h1 {
    width: calc(100% - 40px);
    margin: 0 20px 24px;
  }

  .hero-copy {
    padding: 28px 20px 0;
    font-size: 1.02rem;
  }

  .hero-actions,
  .cta-actions {
    margin-top: 24px;
  }

  .hero-content {
    padding: 28px 20px 34px;
  }

  .hero .hero-actions {
    box-sizing: border-box;
    padding: 0 20px 34px;
  }

  .hero-actions,
  .cta-actions,
  .button {
    width: 100%;
    min-height: 64px;
  }

  .book-hero {
    grid-template-columns: 1fr;
    margin-inline: 12px;
    padding: 30px 20px 38px;
    border-radius: 14px;
  }

  .book-hero h1 {
    font-size: clamp(2.35rem, 11vw, 3.5rem);
  }

  .book-hero .hero-copy {
    font-size: 1.12rem;
  }

  .book-cover-wrap {
    order: -1;
  }

  .book-cover {
    width: min(62vw, 230px);
  }

  .card {
    padding: 28px;
    min-height: 0;
  }

  .logo-strip {
    justify-content: flex-start;
    padding: 20px;
  }

  .logo-tile {
    min-height: 44px;
  }

  .logo-tile img {
    max-width: 118px;
    max-height: 36px;
  }

  .review-card {
    min-height: 0;
  }

  .footer {
    flex-direction: column;
  }
}