:root {
  --ink: #061523;
  --navy: #071d2b;
  --paper: #f5eedf;
  --amber: #ffb429;
  --teal: #58e3da;
  --line: rgba(157, 231, 226, 0.2);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--navy); color: var(--paper); font-family: var(--sans); }
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }

.hero {
  min-height: 100svh;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 77% 28%, rgba(255, 180, 41, 0.2), transparent 24rem),
    radial-gradient(circle at 16% 75%, rgba(30, 167, 161, 0.13), transparent 28rem),
    linear-gradient(135deg, #04101d 0%, #092b39 56%, #073a43 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    repeating-radial-gradient(ellipse at 85% 18%, transparent 0 32px, rgba(88, 227, 218, 0.17) 33px 34px),
    linear-gradient(90deg, transparent 49.9%, rgba(88, 227, 218, 0.08) 50%, transparent 50.1%);
  pointer-events: none;
}

.nav,
.hero-grid { width: min(1180px, calc(100% - 48px)); margin-inline: auto; position: relative; z-index: 1; }
.nav { height: 96px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; letter-spacing: 0.12em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(88, 227, 218, 0.5); border-radius: 50%; color: var(--teal); font: 700 12px/1 var(--mono); }
.brand strong,
.brand small { display: block; }
.brand strong { font-size: 12px; }
.brand small { margin-top: 3px; font-size: 9px; color: rgba(245, 238, 223, 0.56); text-transform: uppercase; }
.nav-link { color: rgba(245, 238, 223, 0.74); font-size: 14px; }

.hero-grid { min-height: calc(100svh - 96px); display: grid; grid-template-columns: 1.05fr 0.75fr; gap: clamp(48px, 8vw, 120px); align-items: center; padding: 70px 0 80px; }
.hero-copy { max-width: 690px; }
.eyebrow { margin: 0 0 26px; color: var(--teal); font: 600 12px/1.4 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; }
h1 { margin: 0; max-width: 760px; color: #fffaf0; font-size: clamp(48px, 6.2vw, 84px); line-height: 0.98; letter-spacing: -0.055em; font-weight: 750; }
h1 span { display: block; margin-top: 14px; color: var(--amber); }
.hero-lede { max-width: 620px; margin: 32px 0 0; color: rgba(245, 238, 223, 0.77); font-size: clamp(18px, 1.7vw, 22px); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 38px; }
.hero-actions p { margin: 0; color: rgba(245, 238, 223, 0.52); font-size: 13px; }
.button { display: inline-flex; align-items: center; gap: 28px; border-radius: 100px; padding: 17px 22px 17px 26px; font-weight: 700; transition: transform 180ms ease, box-shadow 180ms ease; }
.button-primary { color: var(--ink); background: linear-gradient(110deg, var(--amber), #ffd56f); box-shadow: 0 12px 38px rgba(255, 180, 41, 0.18); }
.button:hover { transform: translateY(-2px); box-shadow: 0 16px 42px rgba(255, 180, 41, 0.25); }
.button:focus-visible,
.nav-link:focus-visible,
.brand:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }
.signal-row { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 42px; color: rgba(245, 238, 223, 0.55); font-size: 12px; }
.signal-row span { display: flex; align-items: center; gap: 8px; }
.signal-row span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }

.cover-stage { position: relative; justify-self: end; width: min(370px, 100%); perspective: 1400px; }
.cover-glow { position: absolute; inset: 10% -20% -8% 10%; background: radial-gradient(circle, rgba(255, 180, 41, 0.3), transparent 66%); filter: blur(20px); }
.book-cover { position: relative; display: block; width: 100%; height: auto; border-radius: 3px 9px 9px 3px; transform: rotateY(-7deg) rotateZ(1deg); transform-origin: left center; box-shadow: -16px 28px 80px rgba(0, 0, 0, 0.48), 1px 0 0 rgba(255, 255, 255, 0.3) inset; }
.cover-note { position: relative; margin: 24px 0 0; text-align: center; color: rgba(245, 238, 223, 0.58); font-size: 13px; }
.cover-note strong { color: var(--paper); }

.section { position: relative; padding: clamp(88px, 10vw, 150px) 0; }
.section-shell { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.section-kicker { margin: 0 0 22px; color: #0a8883; font: 700 11px/1.4 var(--mono); letter-spacing: 0.17em; text-transform: uppercase; }
.section h2 { margin: 0; color: #0b2330; font-size: clamp(38px, 5.2vw, 68px); line-height: 1.02; letter-spacing: -0.05em; }

.recognition { background: var(--paper); color: #3d5059; }
.recognition-grid { display: grid; grid-template-columns: 1.05fr 0.8fr; gap: clamp(50px, 9vw, 130px); align-items: end; }
.recognition-copy { font-size: 18px; line-height: 1.7; }
.recognition-copy p { margin: 0 0 20px; }
.recognition-copy em { color: #0b2330; }
.pattern-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 80px; }
.pattern-card { min-height: 260px; padding: 26px; border: 1px solid rgba(6, 21, 35, 0.12); background: rgba(255, 255, 255, 0.34); }
.pattern-card > span { color: #0b8f89; font: 700 11px var(--mono); }
.pattern-card h3 { margin: 54px 0 14px; color: #102a35; font-size: 21px; line-height: 1.15; letter-spacing: -0.02em; }
.pattern-card p { margin: 0; font-size: 14px; line-height: 1.6; }

.promise { overflow: hidden; background: #f0d487; color: #3a3b34; }
.promise::before { content: ""; position: absolute; inset: 0; opacity: 0.28; background-image: repeating-radial-gradient(ellipse at 20% 50%, transparent 0 52px, rgba(7, 63, 66, 0.28) 53px 54px); }
.promise-grid { position: relative; display: grid; grid-template-columns: 0.9fr 1fr; gap: clamp(60px, 10vw, 150px); align-items: center; }
.promise-copy .section-kicker { color: #075f61; }
.promise-copy p:not(.section-kicker) { max-width: 610px; font-size: 17px; line-height: 1.7; }
.promise-copy .big-copy { margin: 24px 0; color: #0b4c52; font-size: clamp(24px, 3vw, 38px); line-height: 1.2; font-weight: 650; letter-spacing: -0.03em; }
.promise-visual { position: relative; min-height: 460px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px 0; color: #084b50; font: 700 10px var(--mono); letter-spacing: 0.13em; }
.you-are-here,
.horizon { width: max-content; padding: 10px 13px; border: 1px solid rgba(8, 75, 80, 0.35); background: rgba(245, 238, 223, 0.28); }
.horizon { align-self: flex-end; }
.route-line { position: absolute; inset: 70px 30px; transform: rotate(-9deg); border: 2px dashed rgba(8, 75, 80, 0.45); border-width: 0 0 2px; }
.route-line i { position: absolute; bottom: -7px; width: 12px; height: 12px; border: 3px solid #0c6769; border-radius: 50%; background: #f0d487; }
.route-line i:nth-child(1) { left: 4%; }
.route-line i:nth-child(2) { left: 27%; }
.route-line i:nth-child(3) { left: 50%; }
.route-line i:nth-child(4) { left: 73%; }
.route-line i:nth-child(5) { right: 0; background: #0c6769; box-shadow: 0 0 0 10px rgba(12, 103, 105, 0.14); }

.inside { background: #071d2b; color: rgba(245, 238, 223, 0.64); }
.inside .section-kicker { color: var(--teal); }
.inside h2 { max-width: 760px; color: #fffaf0; }
.section-heading > p:last-child { max-width: 660px; margin: 24px 0 0; font-size: 18px; line-height: 1.6; }
.part-list { margin: 70px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.part-list li { display: grid; grid-template-columns: 110px 1fr 130px; gap: 34px; align-items: center; padding: 32px 0; border-bottom: 1px solid var(--line); }
.part-number { color: var(--teal); font: 600 11px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.part-list h3 { margin: 0 0 7px; color: var(--paper); font-size: 24px; letter-spacing: -0.02em; }
.part-list p { margin: 0; line-height: 1.55; }
.part-word { justify-self: end; color: rgba(255, 180, 41, 0.48); font: 700 11px var(--mono); letter-spacing: 0.16em; }

.quote-section { overflow: hidden; background: linear-gradient(135deg, #ef9f32, #ffcf6c); color: #102a35; text-align: center; }
.quote-section::before { content: ""; position: absolute; inset: 0; opacity: 0.15; background: repeating-linear-gradient(115deg, transparent 0 90px, #0a5d63 91px 92px); }
.quote-shell { position: relative; }
.quote-mark { margin: -40px 0 -32px; color: rgba(6, 45, 50, 0.18); font: 200 180px/1 Georgia, serif; }
blockquote { margin: 0; font-size: clamp(42px, 7vw, 86px); line-height: 1.02; letter-spacing: -0.055em; font-weight: 750; }
.quote-credit { margin: 34px 0 0; font-size: 13px; }

.tools { background: #eee8dc; color: #43555d; }
.tools-grid { display: grid; grid-template-columns: 0.8fr 1fr; gap: clamp(60px, 10vw, 140px); }
.tools header { position: sticky; top: 40px; align-self: start; }
.tools header > p:last-child { margin: 30px 0 0; max-width: 480px; font-size: 18px; line-height: 1.7; }
.tool-list { border-top: 1px solid rgba(6, 21, 35, 0.15); }
.tool-list article { display: grid; grid-template-columns: 70px 1fr; padding: 25px 0; border-bottom: 1px solid rgba(6, 21, 35, 0.15); }
.tool-list span { color: #0a8883; font: 700 11px var(--mono); }
.tool-list h3 { margin: 0; color: #102a35; font-size: 23px; letter-spacing: -0.025em; }
.tool-list p { margin: 5px 0 0; line-height: 1.5; }

.author { overflow: hidden; background: #061821; color: rgba(245, 238, 223, 0.78); }
.author::before { content: ""; position: absolute; inset: 0; opacity: 0.18; background: radial-gradient(circle at 17% 70%, rgba(88, 227, 218, 0.25), transparent 28rem), repeating-radial-gradient(ellipse at 12% 60%, transparent 0 52px, rgba(88, 227, 218, 0.13) 53px 54px); pointer-events: none; }
.author-shell { position: relative; display: grid; grid-template-columns: 0.95fr 1.1fr; gap: clamp(54px, 7vw, 100px); align-items: center; }
.author-media { position: relative; }
.author-photo { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: center; border-radius: 12px; box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35); }
.author-stat { position: absolute; left: 24px; bottom: 24px; width: min(390px, calc(100% - 48px)); padding: 24px 28px 22px; border-radius: 8px; background: #eee3cf; color: #0b2630; box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2); }
.author-stat strong { display: block; color: #0b7c80; font-family: Georgia, serif; font-size: 40px; line-height: 1; }
.author-stat span { display: block; margin-top: 9px; font-size: 12px; line-height: 1.35; font-weight: 800; letter-spacing: 0.025em; text-transform: uppercase; }
.author .section-kicker { color: var(--amber); }
.author-shell h2 { margin-bottom: 28px; color: #fff4df; font-family: Georgia, "Times New Roman", serif; font-size: clamp(44px, 5vw, 72px); font-weight: 500; line-height: 1.04; letter-spacing: -0.045em; }
.author-shell p:not(.section-kicker) { max-width: 680px; font-size: 17px; line-height: 1.75; }
.author-signoff { margin-top: 28px; color: var(--teal); font: 650 10px var(--mono) !important; letter-spacing: 0.13em; text-transform: uppercase; }
.author-signoff span { padding: 0 9px; color: var(--amber); }

.final-cta { overflow: hidden; background: linear-gradient(140deg, #04111e, #08404a); color: rgba(245, 238, 223, 0.7); }
.final-cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 70% 50%, rgba(255, 180, 41, 0.24), transparent 32rem); }
.final-grid { position: relative; display: grid; grid-template-columns: 1fr 0.58fr; gap: 70px; align-items: center; }
.final-cta .section-kicker { color: var(--teal); }
.final-cta h2 { color: #fffaf0; }
.final-cta p:not(.section-kicker) { max-width: 600px; margin: 26px 0 34px; font-size: 19px; line-height: 1.6; }
.final-cover-wrap { width: min(300px, 100%); justify-self: end; transform: rotate(4deg); }
.final-cover { display: block; width: 100%; height: auto; box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45); }

footer { padding: 38px 0; background: #020a11; color: rgba(245, 238, 223, 0.43); }
.footer-grid { display: grid; grid-template-columns: 1fr auto 1.5fr; gap: 40px; align-items: center; font-size: 11px; line-height: 1.6; }
.footer-grid p { margin: 0; }
.footer-grid p:last-child { justify-self: end; max-width: 430px; text-align: right; }
.footer-grid strong { color: rgba(245, 238, 223, 0.75); letter-spacing: 0.12em; }
.footer-grid span { text-transform: uppercase; letter-spacing: 0.12em; }

@media (max-width: 900px) {
  .recognition-grid,
  .promise-grid,
  .tools-grid,
  .author-shell,
  .final-grid { grid-template-columns: 1fr; }
  .pattern-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-visual { min-height: 300px; }
  .tools header { position: static; }
  .author-media { max-width: 720px; }
  .final-cover-wrap { justify-self: center; width: min(300px, 70vw); }
}

@media (max-width: 850px) {
  .nav { height: 80px; }
  .nav-link { display: none; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding: 54px 0 78px; }
  .hero-copy { max-width: none; }
  .cover-stage { justify-self: center; width: min(360px, 80vw); }
}

@media (max-width: 620px) {
  .section-shell { width: min(100% - 32px, 1120px); }
  .pattern-grid { grid-template-columns: 1fr; }
  .pattern-card { min-height: 210px; }
  .part-list li { grid-template-columns: 72px 1fr; gap: 18px; }
  .part-word { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-grid p:last-child { justify-self: start; text-align: left; }
}

@media (max-width: 520px) {
  .nav,
  .hero-grid { width: min(100% - 32px, 1180px); }
  h1 { font-size: clamp(43px, 13vw, 62px); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 14px; }
  .button { width: 100%; justify-content: space-between; }
  .signal-row { display: grid; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}