:root {
  --bg: #0b0b0b;
  --bg-soft: #121110;
  --ivory: #f4efe6;
  --ivory-dim: #cfc6b6;
  --gold: #c9a96e;
  --gold-bright: #e2c78a;
  --line: rgba(201, 169, 110, 0.28);
  --muted: #9a9388;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Montserrat", system-ui, sans-serif;
  --pad: clamp(1.25rem, 4vw, 5rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0.01em;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
blockquote p {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.12;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 8;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.gold {
  color: var(--gold);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--pad);
  background: rgba(11, 11, 11, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav__mark {
  width: 28px;
  height: 28px;
  color: var(--gold);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav__links a:hover {
  color: var(--gold);
}

.nav__cta {
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--gold);
  color: var(--gold);
}

.nav__cta:hover {
  background: var(--gold);
  color: var(--bg);
}

.nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: var(--ivory);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: clamp(2rem, 6vh, 5rem) var(--pad) 4rem;
}

.hero__copy h1 {
  margin: 0;
  font-size: clamp(3.4rem, 8vw, 7.2rem);
  text-transform: uppercase;
}

.hero__copy h1 span {
  display: block;
}

.hero__sub {
  margin: 1.1rem 0 0;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.hero__lead {
  max-width: 36rem;
  margin: 1.6rem 0 0;
  color: var(--ivory-dim);
  font-size: 1.05rem;
}

.hero__author {
  margin: 1.4rem 0 0;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.2rem;
}

.hero__visual {
  position: relative;
  margin: 0;
}

.hero__ring {
  position: absolute;
  inset: 6% 8%;
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: scale(1.08);
  pointer-events: none;
}

.hero__ring::after {
  content: "";
  position: absolute;
  inset: 9%;
  border: 1px solid rgba(201, 169, 110, 0.14);
  border-radius: 50%;
}

.hero__visual img {
  position: relative;
  width: 100%;
  height: min(78vh, 760px);
  object-fit: cover;
  object-position: center 38%;
  border: 1px solid var(--line);
  filter: saturate(0.94) contrast(1.05);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.35rem;
  border: 1px solid transparent;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.btn--gold {
  background: var(--gold);
  color: var(--bg);
}

.btn--gold:hover {
  background: var(--gold-bright);
}

.btn--ghost {
  border-color: var(--line);
  background: transparent;
  color: var(--ivory);
}

.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.quote {
  padding: 4.5rem var(--pad);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(201, 169, 110, 0.08), transparent 46%),
    var(--bg-soft);
}

.quote__rule {
  width: min(120px, 30vw);
  height: 1px;
  margin: 0 auto;
  background: var(--gold);
  opacity: 0.55;
}

.quote blockquote {
  margin: 0;
  padding: 1.8rem 0;
}

.quote p {
  margin: 0 auto;
  max-width: 22ch;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  font-style: italic;
  font-weight: 500;
}

.section,
.for,
.author,
.contact,
.quote,
.read {
  scroll-margin-top: 72px;
}

.section,
.for,
.author,
.contact,
.read {
  padding: 5.5rem var(--pad);
}

.section__head {
  max-width: 42rem;
  margin-bottom: 2.8rem;
}

.section__head h2,
.for h2,
.author h2,
.contact h2,
.read h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.1rem);
}

.book__lead {
  max-width: 40rem;
  margin: 0 0 2.8rem;
  color: var(--ivory-dim);
  font-size: 1.12rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pillars li {
  padding: 1.6rem 1.4rem 1.5rem;
  border-top: 1px solid var(--gold);
  background: rgba(255, 255, 255, 0.02);
}

.pillars span {
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
}

.pillars h3 {
  margin: 0.7rem 0 0.55rem;
  font-size: 1.85rem;
}

.pillars p,
.for p,
.ideas p,
.author p {
  margin: 0;
  color: var(--muted);
}

.for {
  background: var(--ivory);
  color: #161513;
}

.for .eyebrow {
  color: #8a6d32;
}

.for h2,
.for h3 {
  color: #161513;
}

.for__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.for article {
  padding: 1.6rem 1.5rem;
  border: 1px solid rgba(22, 21, 19, 0.12);
  background: rgba(255, 255, 255, 0.42);
}

.for p {
  color: #5d574c;
}

.ideas {
  border-top: 1px solid var(--line);
}

.ideas__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: idea;
}

.ideas__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1.4rem;
  padding: 1.7rem 0;
  border-bottom: 1px solid var(--line);
  counter-increment: idea;
}

.ideas__list li::before {
  content: counter(idea, decimal-leading-zero);
  color: var(--gold);
  font-family: var(--serif);
  font-size: 1.5rem;
}

.ideas__list h3 {
  margin: 0;
  font-size: 1.8rem;
  grid-column: 2;
}

.ideas__list p {
  grid-column: 2;
}

.read {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}

.read__lead {
  max-width: 38rem;
  margin: -1.4rem 0 1.8rem;
  color: var(--ivory-dim);
  font-size: 1.08rem;
}

.read__langs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.read__lang {
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.read__lang:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.read__lang.is-active {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--bg);
}

.read__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.read__stage {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #10100f;
}

.read__waiting {
  display: grid;
  place-items: center;
  min-height: min(58vh, 520px);
  padding: 2.4rem var(--pad);
  text-align: center;
}

.read__waiting span {
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.read__waiting p {
  max-width: 28rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.read__stage iframe {
  display: block;
  width: 100%;
  height: min(82vh, 960px);
  border: 0;
  background: #111;
}

.read.is-ready .read__waiting {
  display: none;
}

.author {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2.2rem;
  align-items: center;
  background:
    linear-gradient(180deg, transparent, rgba(201, 169, 110, 0.05)),
    var(--bg-soft);
  border-top: 1px solid var(--line);
}

.author__mark {
  display: grid;
  place-items: center;
  width: 120px;
  height: 120px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 2.4rem;
}

.author__facts {
  margin: 0.85rem 0 1.1rem !important;
  color: var(--gold) !important;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.author__copy p + p {
  margin-top: 1rem;
}

.author__company {
  color: var(--gold);
  border-bottom: 1px solid var(--line);
}

.author__company:hover {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

.contact {
  text-align: center;
}

.contact h2 {
  margin: 0 auto;
}

.contact__lead {
  max-width: 34rem;
  margin: 1.2rem auto 2rem;
  color: var(--muted);
}

.social {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
}

.social__btn {
  min-width: 140px;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--line);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.social__btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.copy-status {
  min-height: 1.4em;
  margin: 0.8rem 0 0;
  color: var(--gold);
  font-size: 0.85rem;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 2rem;
  padding: 1.4rem var(--pad) 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .nav__toggle {
    display: block;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 1rem var(--pad) 1.3rem;
    flex-direction: column;
    align-items: flex-start;
    background: #0e0e0d;
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open .nav__links {
    display: flex;
  }

  .hero,
  .author {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero__actions .btn {
    flex: 1 1 220px;
  }

  .hero__visual img {
    height: 62vh;
  }

  .pillars,
  .for__grid {
    grid-template-columns: 1fr;
  }

  .author__mark {
    width: 88px;
    height: 88px;
    font-size: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}