:root {
  --ink: #0e1c18;
  --ink-soft: #3f524a;
  --mist: #eef3f0;
  --fog: #d8e4de;
  --paper: #f6f9f7;
  --forest: #1f5c48;
  --forest-deep: #12382c;
  --brass: #a48452;
  --white: #ffffff;
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Bricolage Grotesque", Georgia, serif;
  --font-body: "Figtree", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(31, 92, 72, 0.08), transparent 60%),
    radial-gradient(900px 500px at 100% 20%, rgba(164, 132, 82, 0.08), transparent 55%),
    linear-gradient(180deg, var(--paper), var(--mist));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3,
.brand,
.logo,
.footer-brand,
.step-num {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--header-h);
  backdrop-filter: blur(14px);
  background: rgba(246, 249, 247, 0.72);
  border-bottom: 1px solid rgba(14, 28, 24, 0.06);
}

.header-inner {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.logo-mark {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 2px;
  background: var(--forest);
  transform: rotate(12deg);
}

.header-cta {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--forest-deep);
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.header-cta:hover {
  border-color: var(--forest);
  color: var(--forest);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.08);
  animation: hero-drift 18s var(--ease) infinite alternate;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 18, 15, 0.2) 0%, rgba(8, 18, 15, 0.42) 42%, rgba(8, 18, 15, 0.82) 100%),
    linear-gradient(90deg, rgba(8, 18, 15, 0.5), rgba(8, 18, 15, 0.15) 60%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 0 4.5rem;
}

.brand {
  margin: 0 0 1.1rem;
  font-size: clamp(2.4rem, 7vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.15s forwards;
}

.hero h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(1.65rem, 3.4vw, 2.55rem);
  font-weight: 500;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.32s forwards;
}

.hero-lead {
  margin: 1.15rem 0 0;
  max-width: 34ch;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.82);
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.48s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.62s forwards;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.btn-primary {
  background: var(--white);
  color: var(--forest-deep);
}

.btn-primary:hover {
  background: var(--mist);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.75);
}

.btn-lg {
  min-height: 3.35rem;
  padding-inline: 1.7rem;
  font-size: 1.02rem;
}

.book .btn-primary {
  background: var(--forest);
  color: var(--white);
}

.book .btn-primary:hover {
  background: var(--forest-deep);
}

/* Sections */
.section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

.section h2 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
}

.section-lead {
  margin: 1rem 0 0;
  max-width: 38ch;
  font-size: 1.08rem;
  color: var(--ink-soft);
}

/* How it works */
.how {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(238, 243, 240, 0.9));
}

.steps {
  list-style: none;
  margin: 3.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
  counter-reset: none;
}

.step {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(14, 28, 24, 0.12);
}

.step-num {
  display: block;
  margin-bottom: 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--forest);
  letter-spacing: 0.04em;
}

.step h3 {
  margin: 0;
  font-size: 1.35rem;
}

.step p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
  max-width: 28ch;
}

/* Topics */
.topics {
  background:
    radial-gradient(700px 380px at 90% 20%, rgba(31, 92, 72, 0.1), transparent 60%),
    var(--paper);
}

.topics-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: end;
}

.topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.topic-list li {
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(14, 28, 24, 0.12);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.topic-list li:first-child {
  border-top: 1px solid rgba(14, 28, 24, 0.12);
}

/* Book */
.book {
  padding-bottom: clamp(5rem, 12vw, 8rem);
}

.book-panel {
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) 1.5rem;
  background:
    linear-gradient(145deg, rgba(31, 92, 72, 0.08), rgba(164, 132, 82, 0.08)),
    linear-gradient(180deg, #ffffff, var(--mist));
  border: 1px solid rgba(14, 28, 24, 0.08);
}

.book-panel h2,
.book-panel .section-lead {
  margin-left: auto;
  margin-right: auto;
}

.book-panel .section-lead {
  margin-bottom: 2rem;
}

.book-note a {
  color: var(--forest-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(14, 28, 24, 0.08);
  background: rgba(255, 255, 255, 0.45);
}

.footer-inner {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.5rem 0 2rem;
  display: grid;
  gap: 1.5rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem 2rem;
}

.footer-brand {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.footer-contact {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 36ch;
}

.footer-contact a {
  color: var(--forest-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0;
  align-items: center;
  color: var(--ink-soft);
}

.footer-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
  padding: 0 0.55rem;
}

.footer-nav a:first-child {
  padding-left: 0;
}

.footer-nav .sep {
  opacity: 0.45;
  user-select: none;
}

.footer-nav a:hover {
  color: var(--forest);
}

.footer-copy {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(14, 28, 24, 0.08);
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* Legal / contact pages */
body.page-legal {
  background: var(--paper);
}

.page-hero {
  padding: calc(var(--header-h) + 3.5rem) 0 2rem;
  border-bottom: 1px solid rgba(14, 28, 24, 0.08);
  background:
    radial-gradient(800px 360px at 0% 0%, rgba(31, 92, 72, 0.08), transparent 60%),
    var(--mist);
}

.page-hero .section-inner {
  width: min(760px, calc(100% - 2.5rem));
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3rem);
}

.page-meta {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.legal-content {
  width: min(760px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.legal-content h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.35rem;
  max-width: none;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.legal-content p {
  margin: 0 0 1rem;
}

.legal-content ul {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
}

.legal-content li {
  margin-bottom: 0.45rem;
}

.legal-content a {
  color: var(--forest-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.contact-item {
  padding: 1.25rem 0;
  border-top: 1px solid rgba(14, 28, 24, 0.12);
}

.contact-item:last-child {
  border-bottom: 1px solid rgba(14, 28, 24, 0.12);
}

.contact-item h2 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.contact-item p {
  margin: 0;
  color: var(--ink-soft);
}

.contact-item a {
  color: var(--forest-deep);
  font-weight: 600;
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}

.site-header.is-solid {
  background: rgba(246, 249, 247, 0.92);
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1.08) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.14) translate3d(-1.5%, -1%, 0);
  }
}

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

  .hero-media img,
  .brand,
  .hero h1,
  .hero-lead,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 860px) {
  .steps,
  .topics-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    gap: 1.75rem;
  }

  .hero-content {
    padding-bottom: 3.5rem;
  }

  .brand {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }
}

@media (max-width: 520px) {
  .header-inner,
  .section-inner,
  .hero-content,
  .footer-inner {
    width: min(1120px, calc(100% - 1.5rem));
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}