:root {
  color-scheme: light;
  --ink: #171615;
  --paper: #fbf7ee;
  --paper-deep: #f1e7d6;
  --teal: #163f46;
  --teal-dark: #0d2a30;
  --ember: #c4502f;
  --ember-dark: #9d3b22;
  --gold: #dba93c;
  --muted: #5d5750;
  --line: rgba(23, 22, 21, 0.18);
  --line-strong: rgba(23, 22, 21, 0.32);
  --gutter: clamp(22px, 5vw, 88px);
  --max: 1320px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(219, 169, 60, 0.16), transparent 34rem),
    linear-gradient(180deg, var(--paper), #fffaf1 54%, var(--paper));
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  overflow-x: hidden;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 18px var(--gutter);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 247, 238, 0.9);
  backdrop-filter: blur(14px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  gap: 20px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.nav-links a:hover {
  color: var(--ember);
}

.hero,
.claim-section,
.proof-grid,
.reader-section,
.offer-section,
.protocol-section,
.action-section,
.author-section,
.final-cta {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.26fr) minmax(320px, 0.64fr);
  gap: clamp(34px, 5vw, 66px);
  align-items: center;
  min-height: calc(100svh - 69px);
  padding: clamp(32px, 5vw, 58px) 0;
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--ember);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 18px;
  font-family: var(--serif);
  font-size: clamp(3rem, 3.95vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

h1 span {
  display: block;
  color: var(--teal);
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

h2 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(2.15rem, 4.2vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.thesis {
  max-width: 720px;
  margin-bottom: 14px;
  color: var(--teal-dark);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  font-style: italic;
  line-height: 1.2;
}

.dek {
  max-width: 720px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.35vw, 1.23rem);
}

.transformation {
  max-width: 720px;
  margin-bottom: 18px;
  padding-left: 18px;
  border-left: 2px solid var(--ember);
  color: var(--teal-dark);
  font-weight: 800;
}

.signup-form {
  max-width: 720px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 252, 246, 0.84);
  box-shadow: 0 18px 54px rgba(22, 63, 70, 0.08);
}

.signup-form label {
  display: block;
  margin-bottom: 12px;
  font-weight: 800;
}

.hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.signup-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

input[type="email"],
button,
.closing-button {
  min-height: 50px;
  border-radius: 0;
}

input[type="email"] {
  width: 100%;
  border: 1px solid var(--line-strong);
  padding: 0 16px;
  background: #fffdf8;
  color: var(--ink);
  outline: none;
}

input[type="email"]:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(22, 63, 70, 0.12);
}

button,
.closing-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ember);
  padding: 0 24px;
  background: var(--ember);
  color: #fffaf1;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

button:hover,
.closing-button:hover {
  border-color: var(--ember-dark);
  background: var(--ember-dark);
  transform: translateY(-1px);
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-note,
.prompt-note,
.copy-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.prompt-note {
  color: var(--ink);
  font-style: italic;
  font-weight: 700;
}

.hero-panel {
  position: relative;
  min-height: min(620px, calc(100svh - 150px));
  border: 1px solid var(--line-strong);
  background: var(--teal-dark);
  overflow: hidden;
}

.hero-panel img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: min(620px, calc(100svh - 150px));
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.field-card {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  padding: 20px;
  border: 1px solid rgba(255, 250, 241, 0.32);
  background: rgba(13, 42, 48, 0.78);
  color: #fffaf1;
  backdrop-filter: blur(10px);
}

.field-card span {
  display: block;
  margin-bottom: 8px;
  color: #f2c568;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field-card p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.3vw, 2rem);
  line-height: 1.12;
}

.authority-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 24px;
  padding: 28px var(--gutter);
  border-block: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.authority-strip strong {
  color: var(--ink);
}

.claim-section,
.reader-section,
.offer-section,
.protocol-section,
.action-section,
.author-section,
.final-cta {
  padding: clamp(64px, 8vw, 108px) 0;
  border-bottom: 1px solid var(--line);
}

.claim-section,
.reader-section,
.offer-section,
.protocol-section,
.action-section,
.author-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.85fr);
  gap: clamp(36px, 6vw, 76px);
  align-items: start;
}

.reader-section {
  padding-block: clamp(58px, 7vw, 90px);
  background: rgba(255, 252, 246, 0.42);
}

.reader-section h2 {
  max-width: 780px;
  font-size: clamp(2.2rem, 3vw, 3.4rem);
  line-height: 1.08;
}

.reader-section > p {
  max-width: 640px;
  padding-top: 22px;
}

.claim-copy p,
.reader-section p,
.protocol-intro p,
.author-section p {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.45vw, 1.2rem);
}

.manuscript-status {
  display: inline-flex;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.proof-grid,
.offer-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.proof-grid {
  margin-top: 0;
  margin-bottom: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-grid article,
.offer-cards article {
  min-width: 0;
  padding: clamp(26px, 3.5vw, 38px);
  border-right: 1px solid var(--line);
}

.proof-grid article:last-child,
.offer-cards article:last-child {
  border-right: none;
}

.proof-grid span,
.offer-cards span {
  display: block;
  margin-bottom: 12px;
  color: var(--teal);
  font-family: var(--serif);
  font-size: clamp(2rem, 3.9vw, 3.7rem);
  font-weight: 700;
  line-height: 1;
}

.proof-grid span {
  font-size: clamp(2rem, 3.2vw, 3.05rem);
}

.offer-cards {
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.offer-cards article {
  background: rgba(255, 252, 246, 0.62);
  border-bottom: 1px solid var(--line);
}

.offer-cards span {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.proof-grid p,
.offer-cards p {
  margin: 0;
  color: var(--muted);
}

.week-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.week-list li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 16px;
  min-height: 74px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
}

.week-list span {
  color: var(--ember);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.action-card {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  background: var(--teal);
  color: #fffaf1;
}

.action-card > p:first-child {
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.5vw, 2.15rem);
  font-style: italic;
  line-height: 1.18;
}

.action-card .copy-note {
  color: rgba(255, 250, 241, 0.76);
}

.action-card button {
  border-color: #fffaf1;
  background: #fffaf1;
  color: var(--teal-dark);
}

.final-cta {
  max-width: 980px;
  margin-inline: auto;
  text-align: center;
}

.final-cta h2 {
  margin-bottom: 32px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px var(--gutter);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .hero,
  .claim-section,
  .reader-section,
  .proof-grid,
  .offer-section,
  .protocol-section,
  .action-section,
  .author-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  .hero-panel,
  .hero-panel img {
    min-height: 430px;
  }

  .proof-grid,
  .offer-cards {
    grid-template-columns: 1fr;
  }

  .proof-grid article,
  .offer-cards article {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 560px) {
  :root {
    --gutter: 20px;
  }

  .hero,
  .claim-section,
  .reader-section,
  .proof-grid,
  .offer-section,
  .protocol-section,
  .action-section,
  .author-section,
  .final-cta {
    width: calc(100% - 40px);
    max-width: none;
  }

  .site-header {
    align-items: flex-start;
  }

  .brand {
    max-width: 290px;
  }

  h1 {
    width: 100%;
    max-width: 100%;
    font-size: clamp(1.78rem, 6.9vw, 1.98rem);
    line-height: 1.07;
    overflow-wrap: anywhere;
  }

  .hero {
    padding-top: 28px;
  }

  .thesis {
    font-size: 1.12rem;
    line-height: 1.25;
  }

  .dek {
    font-size: 1rem;
  }

  .eyebrow,
  .section-kicker {
    font-size: 0.68rem;
    letter-spacing: 0.06em;
  }

  .transformation {
    padding-left: 14px;
    font-size: 0.95rem;
  }

  .reader-section h2 {
    font-size: clamp(2rem, 9vw, 2.7rem);
  }

  .reader-section > p {
    padding-top: 0;
  }

  .signup-form {
    padding: 16px;
  }

  .signup-form label {
    max-width: 280px;
  }

  .signup-row {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .hero-panel img {
    min-height: 340px;
  }

  .field-card {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }

  .week-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .site-footer {
    flex-direction: column;
  }
}