:root {
  --ink: #1a1b3a;
  --ink-soft: #2d2e4a;
  --amber: #c9923a;
  --amber-light: #e8c06a;
  --cream: #faf8f4;
  --cream-dark: #f0ede6;
  --gray: #8a8b9e;
  --gray-light: #c4c5d4;
  --white: #ffffff;
}

/* BASE */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans 3', 'Helvetica Neue', sans-serif;
  background-color: var(--cream);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 27, 58, 0.08);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 300;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.nav-logo strong {
  font-weight: 700;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--gray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  order: 3;
}

.nav-actions {
  order: 2;
}

.nav-cta {
  background: var(--ink);
  color: var(--cream);
  padding: 0.45rem 1.1rem;
  border-radius: 7px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--ink-soft); }

/* HERO */
.hero {
  padding: 140px 0 80px;
  background: var(--cream);
  overflow: hidden;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.2rem;
}

.hero-headline {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 300;
  line-height: 1.08;
  color: var(--ink);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--amber);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 440px;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 0.9rem;
  margin-bottom: 2.5rem;
  align-items: center;
}

.cta-primary {
  background: var(--ink);
  color: var(--cream);
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background 0.2s;
}

.cta-primary:hover { background: var(--ink-soft); }

.cta-secondary {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.cta-secondary:hover { color: var(--ink); }

.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.stat-num {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

/* BOOK VISUAL */
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-visual {
  position: relative;
  width: 260px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-page {
  position: absolute;
  width: 160px;
  height: 210px;
  border-radius: 4px 12px 12px 4px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 2px 12px rgba(26, 27, 58, 0.12);
}

.page-en {
  background: var(--white);
  border: 1px solid rgba(26, 27, 58, 0.1);
  transform: rotate(-6deg) translateX(-20px);
  z-index: 1;
}

.page-es {
  background: #f5f0e8;
  border: 1px solid rgba(201, 146, 58, 0.25);
  transform: rotate(3deg) translateX(20px) translateY(-10px);
  z-index: 2;
}

.page-line {
  height: 6px;
  background: rgba(26, 27, 58, 0.12);
  border-radius: 3px;
}

.page-line.short { width: 55%; }
.page-line.medium { width: 80%; }

.book-spine {
  position: absolute;
  width: 8px;
  height: 200px;
  background: linear-gradient(90deg, rgba(26,27,58,0.15) 0%, rgba(26,27,58,0.05) 100%);
  border-radius: 4px;
  z-index: 3;
  transform: translateX(-4px);
}

.book-stack-label {
  position: absolute;
  bottom: -10px;
  display: flex;
  gap: 8px;
}

.lang-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 20px;
  background: var(--ink);
  color: var(--cream);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 4px;
}

/* SECTION COMMON */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-rule {
  width: 40px;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.section-header {
  max-width: 600px;
  margin-bottom: 4rem;
}

.section-title {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray);
  line-height: 1.7;
}

/* HOW */
.how {
  background: var(--white);
  padding: 100px 0;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border: 1px solid var(--gray-light);
  border-radius: 12px;
  overflow: hidden;
}

.how-card {
  padding: 2.5rem 2.5rem;
  background: var(--white);
  position: relative;
}

.how-num {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 1rem;
}

.how-card h3 {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.how-card p {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.7;
}

/* LANGUAGES */
.languages {
  background: var(--ink);
  padding: 100px 0;
  color: var(--cream);
}

.languages-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.lang-header {
  margin-bottom: 3rem;
}

.lang-label {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--amber-light);
  opacity: 0.8;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.lang-card {
  background: var(--ink-soft);
  padding: 2.5rem 2rem;
  border-radius: 8px;
}

.lang-flag {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.lang-card h3 {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 0.75rem;
}

.lang-card p {
  font-size: 0.92rem;
  color: rgba(250, 248, 244, 0.65);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.lang-meta {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
  opacity: 0.8;
  padding-top: 1rem;
  border-top: 1px solid rgba(250, 248, 244, 0.1);
}

/* PROCESS */
.process {
  background: var(--cream);
  padding: 100px 0;
}

.process-header {
  max-width: 600px;
  margin-bottom: 4rem;
}

.process-flow {
  max-width: 680px;
}

.process-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.process-side-label {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  width: 100%;
}

.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  padding-top: 4px;
}

.step-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--amber);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 2px var(--amber);
  flex-shrink: 0;
}

.step-line {
  width: 2px;
  height: 80px;
  background: linear-gradient(var(--amber), rgba(201, 146, 58, 0.15));
  margin-top: 8px;
}

.process-step:last-child .step-line {
  display: none;
}

.step-text {
  padding-bottom: 3rem;
}

.step-text h4 {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.step-text p {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.7;
  max-width: 520px;
}

/* FORMATS */
.formats {
  background: var(--white);
  padding: 100px 0;
}

.formats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.formats-copy .section-rule {
  margin-bottom: 1.2rem;
}

.formats-title {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
}

.formats-copy p {
  font-size: 1rem;
  color: var(--gray);
  line-height: 1.7;
}

.formats-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.format-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--cream-dark);
}

.format-item:first-child {
  border-top: 1px solid var(--cream-dark);
}

.format-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--cream);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
}

.format-info h4 {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.format-info p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.6;
}

/* MANIFESTO */
.manifesto {
  background: var(--cream-dark);
  padding: 100px 0;
  border-top: 1px solid rgba(26, 27, 58, 0.06);
}

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.manifesto-rule {
  width: 40px;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
  margin-bottom: 2.5rem;
}

.manifesto-quote {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  border-left: 3px solid var(--amber);
}

.manifesto-attribution {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 3rem;
  padding-left: 1.5rem;
}

.manifesto-body p {
  font-size: 1.02rem;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

/* FOOTER */
.site-footer {
  background: var(--ink);
  color: var(--cream);
  padding: 60px 0 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo {
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--cream);
  display: block;
  margin-bottom: 0.75rem;
}

.footer-logo strong {
  font-weight: 700;
}

.footer-desc {
  font-size: 0.88rem;
  color: rgba(250, 248, 244, 0.5);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-col h5 {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250, 248, 244, 0.4);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: rgba(250, 248, 244, 0.7);
  text-decoration: none;
  margin-bottom: 0.6rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--amber-light);
}

.footer-bottom {
  border-top: 1px solid rgba(250, 248, 244, 0.08);
  padding: 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(250, 248, 244, 0.35);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-right {
    order: -1;
  }

  .book-visual {
    width: 200px;
    height: 250px;
  }

  .how-grid {
    grid-template-columns: 1fr;
  }

  .lang-grid {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .formats-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    gap: 2rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 110px 0 60px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.2rem;
  }

  .section-inner,
  .languages-inner,
  .formats-inner,
  .manifesto-inner {
    padding: 0 1.25rem;
  }
}