:root {
  --ink: #1c1917;
  --ink-soft: #44403c;
  --ink-muted: #78716c;
  --warm-white: #faf9f7;
  --cream: #f5f0eb;
  --sand: #e7e0d8;
  --accent: #b45309;
  --accent-hover: #92400e;
  --accent-light: rgba(180, 83, 9, 0.08);
  --success: #166534;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'DM Sans', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent-hover);
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--warm-white);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sand);
  transition: box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-cta {
  display: inline-block;
  background: var(--ink);
  color: var(--warm-white) !important;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px !important;
  font-weight: 500;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--accent-hover) !important; color: var(--warm-white) !important; }

/* ---- HAMBURGER BUTTON ---- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: background 0.2s;
}

.nav-hamburger:hover { background: var(--cream); }

.nav-hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

/* Animate to X when open */
.nav-hamburger[aria-expanded="true"] .nav-hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] .nav-hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] .nav-hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- HERO ---- */
.hero {
  padding: 160px 32px 100px;
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content { max-width: 540px; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  font-weight: 400;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  padding: 16px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--ink-soft);
  padding: 16px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--sand);
  transition: all 0.2s;
}

.btn-secondary:hover { border-color: var(--ink-muted); color: var(--ink); }

/* ── .button system (shared across survey, sample-report, etc.) ── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 16px 32px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.button-primary {
  background: var(--accent);
  color: var(--warm-white);
}
.button-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.25);
}

.button-secondary {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--sand);
}
.button-secondary:hover {
  border-color: var(--ink-muted);
  color: var(--ink);
}

.button-small {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

.button-large {
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
}

.hero-proof {
  display: flex;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--sand);
}

.proof-item {
  display: flex;
  flex-direction: column;
}

.proof-number {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--ink);
  line-height: 1.1;
}

.proof-label {
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 2px;
}

/* Hero visual - book showcase */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 480px;
}

.book-showcase {
  position: relative;
  width: 320px;
  height: 440px;
  perspective: 800px;
}

.book-3d {
  width: 260px;
  height: 380px;
  background: linear-gradient(135deg, var(--ink) 0%, #292524 100%);
  border-radius: 0 8px 8px 0;
  box-shadow:
    -6px 0 0 0 #d6d3d1,
    -9px 0 0 0 #a8a29e,
    20px 30px 60px rgba(0,0,0,0.25),
    8px 12px 24px rgba(0,0,0,0.15);
  transform: rotateY(-12deg) rotateX(2deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease;
}

.book-3d:hover {
  transform: rotateY(-6deg) rotateX(1deg);
}

.book-3d::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.015) 2px,
    rgba(255,255,255,0.015) 4px
  );
  pointer-events: none;
}

.book-spine {
  position: absolute;
  left: -6px;
  top: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, #d6d3d1 0%, #a8a29e 100%);
  border-radius: 2px 0 0 2px;
}

.book-title-display {
  font-family: var(--serif);
  font-size: 24px;
  color: rgba(255,255,255,0.9);
  text-align: center;
  line-height: 1.3;
  margin-bottom: 16px;
}

.book-author-display {
  font-family: var(--sans);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.book-accent-line {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 16px 0;
}

.floating-badge {
  position: absolute;
  background: white;
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1), 0 1px 4px rgba(0,0,0,0.06);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float 6s ease-in-out infinite;
}

.floating-badge.top-right {
  top: 20px;
  right: -20px;
  animation-delay: -2s;
}

.floating-badge.bottom-left {
  bottom: 30px;
  left: -30px;
  animation-delay: -4s;
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.badge-icon.green { background: #dcfce7; }
.badge-icon.amber { background: #fef3c7; }

.badge-text strong { display: block; color: var(--ink); }
.badge-text span { color: var(--ink-muted); font-size: 12px; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---- SOCIAL PROOF BAR ---- */
.proof-bar {
  background: var(--cream);
  border-top: 1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
  padding: 40px 32px;
}

.proof-bar-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.proof-bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--ink-soft);
}

.proof-bar-icon {
  font-size: 20px;
  opacity: 0.7;
}

/* ---- SECTION BASICS ---- */
.section {
  padding: 100px 32px;
  max-width: 1140px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
  font-weight: 400;
  max-width: 600px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ---- TRANSFORMATION SECTION ---- */
.transform-section {
  background: var(--cream);
  padding: 100px 32px;
}

.transform-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.transform-grid {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 48px;
}

.transform-before, .transform-after {
  padding: 40px;
  border-radius: 12px;
}

.transform-before {
  background: white;
  border: 1px solid var(--sand);
}

.transform-after {
  background: var(--ink);
  color: rgba(255,255,255,0.9);
}

.transform-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: block;
}

.transform-before .transform-label { color: var(--ink-muted); }
.transform-after .transform-label { color: var(--accent); }

.transform-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.transform-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  line-height: 1.5;
}

.transform-list li::before {
  content: '\2014';
  color: var(--ink-muted);
  flex-shrink: 0;
  margin-top: 1px;
}

.transform-after .transform-list li::before {
  content: '\2713';
  color: #86efac;
}

.transform-arrow {
  font-size: 28px;
  color: var(--accent);
  text-align: center;
  font-weight: 300;
}

/* ---- HOW IT WORKS ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.step {
  position: relative;
  padding: 32px 28px;
  background: var(--cream);
  border-radius: 12px;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.step:hover {
  border-color: var(--sand);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.step-number {
  font-family: var(--serif);
  font-size: 48px;
  color: var(--accent);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
  margin-bottom: 10px;
}

.step p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.step-duration {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1px;
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ---- BOOKS SECTION ---- */
.books-section {
  background: var(--cream);
  padding: 100px 32px;
}

.books-inner {
  max-width: 1140px;
  margin: 0 auto;
}

/* ---- CASE STUDIES ---- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.case-card {
  background: white;
  border: 1px solid var(--sand);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.case-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.case-cover {
  height: 280px;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.case-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
}

.case-cover-placeholder {
  width: 100px;
  height: 140px;
  background: linear-gradient(135deg, var(--ink) 0%, #44403c 100%);
  border-radius: 0 4px 4px 0;
  box-shadow: -3px 0 0 #d6d3d1, 8px 8px 20px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.case-cover-placeholder span {
  font-family: var(--serif);
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  text-align: center;
  line-height: 1.3;
}

.case-body {
  padding: 24px;
}

.case-genre {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.case-body h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 8px;
}

.case-body p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.case-meta {
  margin-top: 16px;
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--ink-muted);
  font-family: var(--mono);
}

/* ---- PRICING ---- */
.pricing-section {
  background: var(--ink);
  color: white;
  padding: 100px 32px;
}

.pricing-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.pricing-section .section-eyebrow { color: var(--accent); }
.pricing-section .section-title { color: white; }
.pricing-section .section-subtitle { color: rgba(255,255,255,0.6); }

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  max-width: 1140px;
}

.pricing-card {
  padding: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.06);
}

.pricing-card.featured {
  border-color: var(--accent);
  background: rgba(180, 83, 9, 0.08);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 40px;
  background: var(--accent);
  color: white;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 4px 14px;
  border-radius: 4px;
  text-transform: uppercase;
}

.pricing-name {
  font-family: var(--serif);
  font-size: 24px;
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
  line-height: 1.6;
}

.pricing-amount {
  font-family: var(--serif);
  font-size: 48px;
  margin-bottom: 4px;
}

.pricing-amount .currency {
  font-size: 24px;
  opacity: 0.6;
  vertical-align: super;
}

.pricing-period {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 28px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pricing-features li {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.pricing-features li::before {
  content: '\2713';
  color: #86efac;
  flex-shrink: 0;
  font-weight: 600;
}

.btn-pricing {
  display: block;
  width: 100%;
  text-align: center;
  padding: 16px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-pricing.primary {
  background: var(--accent);
  color: white;
}

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

.btn-pricing.secondary {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-pricing.secondary:hover { background: rgba(255,255,255,0.15); }

.pricing-note {
  margin-top: 32px;
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  max-width: 500px;
}

.pricing-details-link {
  margin-top: 24px;
  text-align: center;
}

.pricing-details-link a {
  color: var(--accent);
  font-size: 15px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.pricing-details-link a:hover {
  opacity: 0.8;
}

/* ---- DIFFERENTIATORS ---- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.diff-card {
  padding: 32px;
  background: var(--cream);
  border-radius: 12px;
  border: 1px solid transparent;
  transition: all 0.3s;
}

.diff-card:hover {
  border-color: var(--sand);
}

.diff-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  background: var(--accent-light);
}

.diff-card h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
  margin-bottom: 10px;
}

.diff-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ---- TESTIMONIAL ---- */
.testimonial-section {
  background: var(--cream);
  padding: 80px 32px;
}

.testimonial-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-quote {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 24px;
  color: var(--ink);
  position: relative;
}

.testimonial-quote::before {
  content: '\201C';
  font-family: var(--serif);
  font-size: 80px;
  color: var(--accent);
  opacity: 0.2;
  position: absolute;
  top: -20px;
  left: -10px;
  line-height: 1;
}

.testimonial-author {
  font-size: 15px;
  color: var(--ink-soft);
}

.testimonial-author strong {
  color: var(--ink);
  display: block;
  margin-bottom: 2px;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 720px;
  margin-top: 48px;
}

.faq-item {
  border-bottom: 1px solid var(--sand);
  padding: 24px 0;
}

.faq-question {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  color: var(--ink);
  padding: 0;
}

.faq-toggle {
  font-size: 20px;
  color: var(--ink-muted);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer-inner {
  padding-top: 16px;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-item.open .faq-answer { max-height: 300px; }

/* ---- CONTACT FORM ---- */
.contact-section {
  background: var(--cream);
}

.contact-collapsible {
  max-width: 600px;
  margin-top: 40px;
}

.contact-toggle {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  background: var(--warm-white);
  border: 1px solid var(--sand);
  border-radius: 8px;
  text-align: left;
  color: var(--ink);
  padding: 20px 24px;
  transition: background 0.2s, border-color 0.2s;
}

.contact-toggle:hover {
  background: white;
  border-color: var(--ink-muted);
}

.contact-toggle-icon {
  font-size: 20px;
  color: var(--ink-muted);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.contact-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.contact-panel.open {
  max-height: 900px;
}

.contact-panel.open + .contact-toggle-icon,
.contact-collapsible.open .contact-toggle-icon {
  transform: rotate(45deg);
}

.contact-panel-inner {
  padding-top: 32px;
}

/* Form elements */
.contact-form-wrapper {
  background: var(--warm-white);
  border: 1px solid var(--sand);
  border-radius: 8px;
  padding: 32px;
}

.form-row {
  margin-bottom: 20px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--accent);
}

.form-input {
  width: 100%;
  font-family: var(--sans);
  font-size: 16px;
  padding: 12px 16px;
  border: 1px solid var(--sand);
  border-radius: 6px;
  background: white;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input.invalid {
  border-color: #dc2626;
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2378716c' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-error {
  display: block;
  font-size: 13px;
  color: #dc2626;
  margin-top: 4px;
  min-height: 0;
}

.form-checkbox {
  display: flex;
  gap: 10px;
  align-items: center;
}

.form-checkbox input[type="checkbox"] {
  flex-shrink: 0;
  accent-color: var(--accent);
}

.form-checkbox label {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.form-checkbox label a {
  color: var(--accent);
  text-decoration: underline;
}

/* HTMX identity-form overrides */
.form-group .form-checkbox-label {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  font-weight: normal;
  color: var(--ink-soft);
  line-height: 1.5;
  cursor: pointer;
  margin-bottom: 0;
}

.form-checkbox-label input[type="checkbox"] {
  flex-shrink: 0;
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.form-checkbox-label a {
  color: var(--accent);
  text-decoration: underline;
}

.form-group--consent {
  margin-bottom: 12px;
}

.form-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

.form-button--primary {
  background: var(--accent);
  color: white;
}

.form-button--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.form-group--submit {
  margin-top: 24px;
}

.form-error {
  display: block;
  color: #dc2626;
  font-size: 13px;
  margin-top: 4px;
}

.form-input--error {
  border-color: #dc2626;
}

.form-required {
  color: #dc2626;
}

.form-notice {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.form-notice a {
  color: var(--accent);
}

.contact-form .btn-primary {
  width: 100%;
  text-align: center;
  font-size: 16px;
  padding: 14px 24px;
}

.form-message {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 6px;
  font-size: 15px;
  line-height: 1.5;
}

.form-message.success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--success);
}

.form-message.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
}

/* ---- CHECK EMAIL / MAGIC LINK ---- */
.check-email {
  text-align: center;
  padding: 2rem 0;
}

.check-email__heading {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 1rem;
}

.check-email__icon {
  font-size: 1.3em;
  vertical-align: -0.05em;
  margin-right: 0.25rem;
}

.check-email__body,
.check-email__detail {
  font-family: var(--sans);
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.check-email__address {
  color: var(--ink);
}

.check-email__hint {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin-top: 1.5rem;
}

/* Button styled as inline text link */
.form-link {
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}

.form-link:hover {
  color: var(--accent-hover);
}

/* ---- CTA FINAL ---- */
.cta-section {
  padding: 100px 32px;
  text-align: center;
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner .section-title {
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.cta-inner .section-subtitle {
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

/* ---- FOOTER ---- */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  padding: 48px 32px;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
}

.footer-logo img {
  height: 28px;
  width: auto;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover { color: rgba(255,255,255,0.7); }

.footer-legal {
  font-size: 13px;
  width: 100%;
  text-align: center;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ---- PORTRAIT IMAGES (About page) ---- */
.portrait {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--sand);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.portrait-right {
  float: right;
  margin: 0 0 1.5rem 2rem;
}

.portrait-left {
  float: left;
  margin: 0 2rem 1.5rem 0;
}

.page-body h2,
.page-body hr {
  clear: both;
}

@media (max-width: 600px) {
  .portrait {
    width: 120px;
    height: 120px;
    float: none;
    display: block;
    margin: 0 auto 1.5rem;
  }
  .portrait-right,
  .portrait-left {
    float: none;
    margin: 0 auto 1.5rem;
  }
}

/* ---- PAGE (legal/generic content) ---- */
.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 140px 32px 100px;
}

.page-title {
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -1px;
  font-weight: 400;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--sand);
}

.page-body h1 {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
  margin-top: 0;
  margin-bottom: 20px;
}

.page-body h2 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  margin-top: 48px;
  margin-bottom: 16px;
}

.page-body h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  margin-top: 36px;
  margin-bottom: 12px;
}

.page-body p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.page-body ul, .page-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.page-body li {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.page-body strong {
  color: var(--ink);
}

.page-body hr {
  border: none;
  border-top: 1px solid var(--sand);
  margin: 40px 0;
}

/* ---- BOOK SHOWCASE (books page) ---- */
.page-content:has(.books-page-showcase) {
  max-width: 960px;
}

.books-page-showcase {
  display: flex;
  flex-direction: column;
  gap: 64px;
  margin-top: 12px;
}

.book-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  padding: 40px;
  background: white;
  border: 1px solid var(--sand);
  border-radius: 12px;
}

.book-card-cover img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}

.book-card-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.book-card-genre {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
}

.book-card-info h2 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.2;
  margin: 0;
}

.book-card-info h2 em {
  font-style: italic;
  display: block;
  font-size: 18px;
  color: var(--ink-soft);
  margin-top: 4px;
}

.book-card-author {
  font-size: 15px;
  color: var(--ink-soft);
}

.book-card-synopsis {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.book-card-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--ink-muted);
  font-family: var(--mono);
}

.book-card-buy {
  margin-top: 4px;
}

.book-card-buy a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ink);
  color: var(--warm-white);
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
}

.book-card-buy a:hover {
  background: var(--accent-hover);
  color: var(--warm-white);
}

.book-testimonial {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--sand);
}

.book-testimonial-photo img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.book-testimonial blockquote {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
  font-style: italic;
}

.book-testimonial blockquote p {
  margin: 0 0 8px 0;
}

.book-testimonial cite {
  font-style: normal;
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
  display: block;
  margin-top: 8px;
}

.book-testimonial .quote-note {
  font-size: 12px;
  color: var(--ink-muted);
  font-style: normal;
}

/* ---- LANG SWITCHER (dropdown) ---- */
.lang-dropdown {
  position: relative;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--ink-muted);
  background: none;
  border: 1px solid var(--sand);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-toggle:hover { background: var(--cream); color: var(--ink); }

.lang-chevron {
  transition: transform 0.2s;
}

.lang-dropdown.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--warm-white);
  border: 1px solid var(--sand);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  list-style: none;
  padding: 4px;
  margin: 0;
  min-width: 56px;
  z-index: 100;
}

.lang-dropdown.open .lang-menu {
  display: block;
}

.lang-menu a {
  display: block;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--ink-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 4px;
  transition: all 0.15s;
  text-align: center;
}

.lang-menu a:hover { background: var(--cream); color: var(--ink); }
.lang-menu a.active { background: var(--ink); color: var(--warm-white); }

/* ---- BLOG ---- */

/* Blog Index */
.blog-index {
  max-width: 900px;
  margin: 0 auto;
  padding: 140px 32px 100px;
}

.blog-index-header {
  margin-bottom: 56px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--sand);
}

.blog-index-intro h1 {
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -1px;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--ink);
}

.blog-index-intro p {
  font-size: 18px;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 560px;
  margin-bottom: 20px;
}

.blog-rss-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--ink-muted);
  text-decoration: none;
  border: 1px solid var(--sand);
  border-radius: 6px;
  padding: 5px 12px;
  transition: all 0.15s;
}

.blog-rss-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-light);
}

/* Post list */
.blog-post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.blog-post-card {
  display: grid;
  grid-template-columns: 1fr;
  padding: 36px 0;
  border-bottom: 1px solid var(--sand);
  gap: 20px;
}

.blog-post-card:first-child {
  border-top: none;
}

.blog-post-card-image-link {
  display: block;
  text-decoration: none;
  margin-bottom: 4px;
}

.blog-post-card-thumbnail {
  width: 100%;
  height: 320px;
  overflow: hidden;
  border-radius: 8px;
  display: block;
  margin: 0;
}

.blog-post-card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-post-card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.blog-post-card-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.5px;
}

.blog-post-card-title a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.15s;
}

.blog-post-card-title a:hover {
  color: var(--accent);
}

.blog-post-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-muted);
  font-family: var(--mono);
}

.blog-post-author::before {
  content: '·';
  margin-right: 12px;
}

.blog-post-card-excerpt {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.65;
}

.blog-post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.blog-tag {
  display: inline-block;
  font-size: 12px;
  font-family: var(--mono);
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 4px;
  padding: 3px 9px;
  text-decoration: none;
  transition: background 0.15s;
  line-height: 1.5;
}

.blog-tag:hover {
  background: rgba(180, 83, 9, 0.14);
  color: var(--accent-hover);
}

.blog-post-card-read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  margin-top: 4px;
  transition: gap 0.15s, color 0.15s;
}

.blog-post-card-read-more::after {
  content: '→';
}

.blog-post-card-read-more:hover {
  color: var(--accent-hover);
  gap: 8px;
}

/* Empty state */
.blog-no-posts {
  padding: 60px 0;
  text-align: center;
  color: var(--ink-muted);
  font-size: 16px;
}

/* Browse by tag aside */
.blog-tag-list {
  margin-top: 56px;
  padding: 32px 36px;
  background: var(--cream);
  border-radius: 10px;
  border: 1px solid var(--sand);
}

.blog-tag-list-heading {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 20px;
}

.blog-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-tag-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-tag-item .blog-tag {
  font-size: 13px;
  padding: 4px 11px;
}

.blog-tag-count {
  font-size: 11px;
  font-family: var(--mono);
  color: var(--ink-muted);
}

/* Pagination */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--sand);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-muted);
}

.blog-pagination a {
  color: var(--accent);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--sand);
  border-radius: 6px;
  transition: all 0.15s;
}

.blog-pagination a:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}

/* Blog Post */
.blog-post {
  max-width: 760px;
  margin: 0 auto;
  padding: 140px 32px 100px;
}

.blog-post-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--sand);
}

.blog-post-title {
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -1px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 20px;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-muted);
  font-family: var(--mono);
  margin-bottom: 16px;
}

.blog-post-meta .blog-post-author::before {
  content: '·';
  margin-right: 12px;
}

.blog-post-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-post-tags-label {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--ink-muted);
  margin-right: 2px;
}

/* Featured image */
.blog-post-featured-image {
  margin: 0 0 40px;
}

.blog-post-image {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

/* Article body typography */
.blog-post-content {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.blog-post-content h2 {
  font-family: var(--serif);
  font-size: 29px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--ink);
  margin-top: 52px;
  margin-bottom: 16px;
}

.blog-post-content h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
  margin-top: 36px;
  margin-bottom: 12px;
}

.blog-post-content h4 {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 28px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-post-content p {
  margin-bottom: 24px;
}

.blog-post-content p:last-child {
  margin-bottom: 0;
}

.blog-post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-post-content a:hover {
  color: var(--accent-hover);
}

.blog-post-content strong {
  font-weight: 600;
  color: var(--ink);
}

.blog-post-content em {
  font-style: italic;
}

.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: 24px;
  padding-left: 28px;
}

.blog-post-content ul {
  list-style: disc;
}

.blog-post-content ol {
  list-style: decimal;
}

.blog-post-content li {
  margin-bottom: 8px;
  padding-left: 4px;
}

.blog-post-content li:last-child {
  margin-bottom: 0;
}

.blog-post-content blockquote {
  border-left: 3px solid var(--accent);
  margin: 36px 0;
  padding: 4px 0 4px 24px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.65;
  font-style: italic;
}

.blog-post-content blockquote p {
  margin-bottom: 0;
}

.blog-post-content code {
  font-family: var(--mono);
  font-size: 14px;
  background: var(--cream);
  border: 1px solid var(--sand);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--ink);
}

.blog-post-content pre {
  background: var(--cream);
  border: 1px solid var(--sand);
  border-radius: 8px;
  padding: 20px 24px;
  overflow-x: auto;
  margin-bottom: 28px;
}

.blog-post-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  line-height: 1.6;
}

.blog-post-content hr {
  border: none;
  border-top: 1px solid var(--sand);
  margin: 48px 0;
}

.blog-post-content img {
  max-width: 100%;
  border-radius: 8px;
  display: block;
  margin: 32px auto;
}

/* Post footer */
.blog-post-footer {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--sand);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.blog-post-footer .blog-post-tags {
  flex-wrap: wrap;
}

/* Author bio box */
.blog-author-bio {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  padding: 28px 32px;
  background: var(--cream);
  border-radius: 12px;
}

.blog-author-bio-photo img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.blog-author-bio-info {
  flex: 1;
}

.blog-author-bio-name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
  display: block;
  margin-bottom: 4px;
}

.blog-author-bio-name:hover {
  color: var(--accent);
}

.blog-author-bio-role {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 8px;
}

.blog-author-bio-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
}

.blog-post-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s, gap 0.15s;
}

.blog-back-link::before {
  content: '←';
}

.blog-back-link:hover {
  color: var(--ink);
  gap: 10px;
}

.blog-post-nav .blog-rss-link {
  margin-left: auto;
}

/* Screen reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .page-content { padding-top: 120px; }
  .page-title { font-size: 34px; }
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 120px;
  }
  .hero h1 { font-size: 40px; }
  .hero-visual { min-height: 360px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; max-width: 400px; }
  .book-card { grid-template-columns: 180px 1fr; gap: 28px; padding: 28px; }
  .book-card-info h2 { font-size: 24px; }
  .diff-grid { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; max-width: 400px; }
  .transform-grid { grid-template-columns: 1fr; }
  .transform-arrow { transform: rotate(90deg); }
  .blog-index { padding-top: 120px; }
  .blog-post { padding-top: 120px; }
  .blog-index-intro h1 { font-size: 34px; }
  .blog-post-title { font-size: 34px; }
}

@media (max-width: 600px) {
  .page-content { padding: 100px 20px 60px; }
  .page-title { font-size: 28px; margin-bottom: 28px; padding-bottom: 16px; }
  .hero { padding: 100px 20px 60px; }
  .hero h1 { font-size: 34px; }
  .section { padding: 60px 20px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-proof { flex-direction: column; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; }
  .nav-hamburger { display: flex; }
  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cream);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-top: 1px solid var(--sand);
    border-bottom: 1px solid var(--sand);
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }
  .nav-links.open {
    max-height: 420px;
    padding: 16px 24px 24px;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links li a {
    display: block;
    padding: 12px 0;
    font-size: 15px;
    border-bottom: 1px solid var(--sand);
  }
  .nav-links li:last-child a { border-bottom: none; }
  .lang-dropdown {
    padding: 12px 0;
    border-bottom: 1px solid var(--sand);
    width: 100%;
  }
  .lang-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 8px 0 0;
    min-width: 0;
  }
  .lang-dropdown.open .lang-menu {
    display: flex;
    gap: 8px;
  }
  .lang-toggle {
    border: none;
    padding: 0;
  }
  .nav-links .nav-cta {
    display: block;
    margin-top: 8px;
    text-align: center;
    padding: 12px 24px;
  }
  .book-card { grid-template-columns: 1fr; text-align: center; padding: 24px; }
  .book-card-cover img { max-width: 200px; margin: 0 auto; }
  .book-card-meta { justify-content: center; }
  .book-card-buy { text-align: center; }
  .book-testimonial { grid-template-columns: 1fr; text-align: center; }
  .book-testimonial-photo img { margin: 0 auto; }
  .books-page-showcase { gap: 40px; }
  .proof-bar-inner { flex-direction: column; gap: 16px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .pricing-section { padding: 60px 20px; }
  .cta-buttons { flex-direction: column; }
  .blog-index { padding: 100px 20px 60px; }
  .blog-post { padding: 100px 20px 60px; }
  .blog-index-intro h1 { font-size: 28px; }
  .blog-post-title { font-size: 28px; }
  .blog-post-content h2 { font-size: 24px; margin-top: 40px; }
  .blog-post-content h3 { font-size: 20px; }
  .blog-tag-list { padding: 24px 20px; }
  .blog-post-nav { flex-wrap: wrap; gap: 16px; }
  .blog-post-nav .blog-rss-link { margin-left: 0; }
  .blog-author-bio { flex-direction: column; text-align: center; padding: 24px 20px; }
  .blog-author-bio-photo img { margin: 0 auto; }
}