/* ── CURSO PASSO A PASSO — DESIGN SYSTEM & STYLES ── */
:root {
  --background: #F5F1EA;
  --card: #FFFFFF;
  --primary: #1C2B3A;
  --primary-fg: #F5F1EA;
  --accent: #C9A96E;
  --accent-hi: #D4B47A;
  --foreground: #1C2B3A;
  --hero-dark: #100B08;
  --hero-dark-soft: #1A110C;
  --fg-80: rgba(28, 43, 58, 0.8);
  --fg-70: rgba(28, 43, 58, 0.7);
  --fg-60: rgba(28, 43, 58, 0.6);
  --fg-40: rgba(28, 43, 58, 0.4);
  --border: rgba(28, 43, 58, 0.12);
  --border-acc: rgba(201, 169, 110, 0.4);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'DM Mono', monospace;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --max-w: 1280px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

section[id] {
  scroll-margin-top: 90px;
}

body {
  font-family: var(--sans);
  font-weight: 300;
  color: var(--foreground);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.6;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--primary);
  color: var(--primary-fg);
  padding: 12px 20px;
  z-index: 1000;
  transition: top 0.2s;
  border-radius: 2px;
  font-size: 13px;
}

.skip-link:focus {
  top: 20px;
}

/* Layout Utilities */
.section-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

.section-spacing {
  padding: clamp(56px, 6.5vw, 96px) 0;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--serif);
  line-height: 1.15;
  color: var(--primary);
}

h1 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 500;
}

h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 500;
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
}

.editorial-caption {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}

.hero-main-title {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

/* Hide hero-main-title on Desktop (1024px+) because artwork incorporates "Curso Passo a Passo" */
@media (min-width: 1024px) {
  .hero-main-title {
    display: none;
  }
}

.hero-micro-caption {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(245, 241, 234, 0.7);
  display: block;
  margin-bottom: 16px;
}

/* Utility classes to replace inline styles */
.section-intro-center {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-intro-left {
  max-width: 680px;
  margin-bottom: 32px;
}

.section-copy {
  font-size: 15px;
  color: var(--fg-70);
  line-height: 1.75;
  margin-top: 14px;
}

.section-copy-muted {
  font-size: 14px;
  color: var(--fg-60);
  line-height: 1.7;
  margin-top: 12px;
}

.final-price-display {
  font-family: var(--serif);
  font-size: 2.6rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 20px;
}

.text-center {
  text-align: center;
}

.mt-24 { margin-top: 24px; }
.mt-36 { margin-top: 36px; }
.mb-20 { margin-bottom: 20px; }

/* Buttons */
.btn-premium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--primary);
  border: 1.5px solid var(--accent);
  border-radius: 2px;
  transition: all .35s var(--ease);
  cursor: pointer;
  white-space: nowrap;
  min-height: 50px;
}

.btn-premium:hover {
  background: var(--accent-hi);
  border-color: var(--accent-hi);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 110, .35);
}

.btn-premium-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: 2px;
  transition: all .35s var(--ease);
  cursor: pointer;
  min-height: 48px;
}

.btn-premium-outline:hover {
  background: var(--primary);
  color: var(--primary-fg);
}

/* ── HEADER ── */
.course-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: clamp(10px, 1.5vw, 16px) 0;
  background: rgba(245, 241, 234, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, padding 0.3s, box-shadow 0.3s;
}

.course-header.scrolled {
  padding: 8px 0;
  box-shadow: 0 4px 20px rgba(28, 43, 58, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
}

.brand-text small {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 24px);
}

.nav-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-80);
  transition: color .2s;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent);
  outline: none;
}

.header-cta-wrap {
  display: flex;
  align-items: center;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.burger span {
  width: 22px;
  height: 1.5px;
  background: var(--primary);
  transition: .3s;
  display: block;
}

/* ── HERO SECTION ── */
.course-hero {
  padding-top: clamp(120px, 12vw, 160px);
  padding-bottom: clamp(60px, 7vw, 90px);
  background: radial-gradient(circle at 35% 30%, var(--hero-dark-soft) 0%, var(--hero-dark) 100%);
  color: #F5F1EA;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  align-items: center;
  gap: clamp(36px, 4.5vw, 80px);
}

@media (min-width: 768px) {
  .hero-image-wrap {
    grid-column: 1;
    grid-row: 1;
  }

  .hero-text-content {
    grid-column: 2;
    grid-row: 1;
  }
}

.hero-text-content {
  max-width: 600px;
}

.hero-text-content h1 {
  color: #FFFFFF;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: rgba(245, 241, 234, 0.88);
  line-height: 1.6;
  margin-bottom: 24px;
  font-weight: 300;
}

.hero-pricing-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(201, 169, 110, 0.3);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 2px;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}

.price-tag {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.price-amount {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 3.8vw, 3.2rem);
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
}

.price-condition {
  font-size: 12.5px;
  color: rgba(245, 241, 234, 0.7);
  margin-top: 6px;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(245, 241, 234, 0.7);
  font-weight: 400;
}

.trust-badges--center {
  justify-content: center;
  color: var(--fg-60);
}

.trust-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-badge-item::before {
  content: '•';
  color: var(--accent);
  font-size: 14px;
}

.hero-image-wrap {
  position: relative;
  width: 100%;
}

.square-hero-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 4px;
  overflow: hidden;
  background: var(--hero-dark);
  border: 1.5px solid var(--border-acc);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 35px rgba(201, 169, 110, 0.2);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.square-hero-frame:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.6), 0 0 45px rgba(201, 169, 110, 0.3);
}

.square-hero-frame picture,
.square-hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* ── CREDIBILITY BAR ── */
.credibility-bar {
  background: var(--primary);
  color: var(--primary-fg);
  padding: 20px 0;
  border-top: 1px solid rgba(201, 169, 110, 0.25);
  border-bottom: 1px solid rgba(201, 169, 110, 0.25);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}

.credibility-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 400;
  color: rgba(245, 241, 234, 0.9);
}

.credibility-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ── PROBLEM IDENTIFICATION ── */
.problem-section {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 70px);
  align-items: center;
}

.process-flow {
  margin-top: 32px;
}

.flow-sequence {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-top: 24px;
}

.flow-step {
  background: var(--background);
  border: 1px solid var(--border);
  padding: 14px 8px;
  text-align: center;
  border-radius: 2px;
}

.flow-step-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.flow-step-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
}

/* ── SOLUTION & PILLARS ── */
.solution-section {
  background: var(--background);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.pillar-card {
  background: var(--card);
  padding: 32px 26px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.pillar-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(28, 43, 58, 0.08);
}

.pillar-card h3 {
  margin-bottom: 10px;
  color: var(--primary);
}

.pillar-card p {
  font-size: 14px;
  color: var(--fg-70);
  line-height: 1.6;
}

/* ── EDITORIAL LEARNING LIST (#aprendizado) ── */
.learning-section {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.learning-editorial-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 40px;
  margin: 36px 0;
}

.learning-editorial-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.learning-editorial-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  flex-shrink: 0;
}

.learning-editorial-text {
  font-size: 14.5px;
  color: var(--primary);
  font-weight: 400;
  line-height: 1.5;
}

/* ── VERTICAL EDITORIAL MODULES (#conteudo) ── */
.modules-section {
  background: var(--background);
}

.modules-vertical-list {
  display: flex;
  flex-direction: column;
  position: relative;
  margin-top: 36px;
  padding-left: 28px;
  border-left: 2px solid var(--accent);
  gap: 8px;
}

.module-vertical-item {
  position: relative;
  padding: 16px 0 16px 20px;
}

.module-vertical-item::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 24px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--background);
}

.module-vertical-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
  display: block;
}

.module-vertical-title {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.module-vertical-desc {
  font-size: 14px;
  color: var(--fg-70);
  line-height: 1.6;
}

.module-vertical-item.extra-module {
  background: rgba(201, 169, 110, 0.08);
  border-radius: 4px;
  padding: 20px 24px;
  margin-top: 8px;
  border: 1px solid var(--border-acc);
}

.module-vertical-item.extra-module::before {
  left: -35px;
  top: 28px;
  background: var(--accent-hi);
}

.extra-module-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--primary);
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 6px;
}

/* ── TRANSFORMATION SECTION ── */
.transformation-section {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
}

.comparison-col {
  padding: 28px;
  border-radius: 2px;
}

.comparison-before {
  background: #FDF9F7;
  border: 1px solid rgba(190, 80, 70, 0.2);
}

.comparison-after {
  background: #F6F9F5;
  border: 1px solid rgba(70, 150, 90, 0.2);
}

.comparison-col h3 {
  font-size: 1.25rem;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comparison-list li {
  font-size: 14px;
  color: var(--fg-80);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.comparison-before .bullet {
  color: #C0392B;
  font-weight: bold;
}

.comparison-after .bullet {
  color: #27AE60;
  font-weight: bold;
}

.transformation-note {
  text-align: center;
  font-size: 12.5px;
  color: var(--fg-60);
  margin-top: 28px;
  font-style: italic;
}

/* ── AUDIENCE & DIFFERENTIALS ── */
.audience-section {
  background: var(--background);
}

.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.audience-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.audience-list li {
  font-size: 14px;
  color: var(--foreground);
  padding-left: 20px;
  position: relative;
  line-height: 1.55;
}

.audience-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.differentials-section {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.differential-item {
  background: var(--card);
  padding: 24px 16px;
  border: 1px solid var(--border);
  border-radius: 2px;
  text-align: center;
}

.differential-num {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

.differential-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.differential-desc {
  font-size: 12px;
  color: var(--fg-70);
  line-height: 1.55;
}

/* ── TEACHER SECTION ── */
.teacher-section {
  background: var(--background);
}

.teacher-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(36px, 5vw, 70px);
  align-items: center;
}

.teacher-img-frame {
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(28, 43, 58, 0.1);
  border: 1px solid var(--border);
}

.teacher-bio p {
  font-size: 14px;
  color: var(--fg-80);
  line-height: 1.75;
  margin-bottom: 14px;
}

.teacher-indicators {
  display: flex;
  gap: 24px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

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

.indicator-val {
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--primary);
  font-weight: 500;
}

.indicator-lbl {
  font-size: 11px;
  color: var(--fg-60);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ── OFFER SECTION (DARK NAVY BLOCK) ── */
.offer-section {
  background: var(--primary);
  color: var(--primary-fg);
  position: relative;
  overflow: hidden;
}

.offer-card {
  max-width: 780px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid var(--border-acc);
  padding: clamp(32px, 5vw, 56px);
  border-radius: 2px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.offer-card h2 {
  color: var(--primary-fg);
  margin-bottom: 24px;
}

.included-list {
  list-style: none;
  max-width: 480px;
  margin: 0 auto 32px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.included-list li {
  font-size: 14px;
  color: rgba(245, 241, 234, 0.9);
  display: flex;
  align-items: center;
  gap: 12px;
}

.included-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: bold;
}

.offer-price {
  font-family: var(--serif);
  font-size: clamp(3rem, 5vw, 4rem);
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1;
}

.offer-payment-terms {
  font-size: 13px;
  color: rgba(245, 241, 234, 0.7);
  margin-bottom: 24px;
}

.offer-cta-button {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.microcopy-safe {
  font-size: 11px;
  color: rgba(245, 241, 234, 0.5);
  font-family: var(--mono);
  margin-top: 16px;
  letter-spacing: .05em;
}

/* ── GUARANTEE SECTION ── */
.guarantee-section {
  background: var(--background);
}

.guarantee-box {
  max-width: 780px;
  margin: 0 auto;
  background: var(--card);
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: 2px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: center;
}

.guarantee-badge {
  width: 80px;
  height: 80px;
  background: var(--background);
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--accent);
}

/* ── NATIVE ACCESSIBLE FAQ (<details> / <summary>) ── */
.faq-section {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-container {
  max-width: 800px;
  margin: 36px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

details.faq-item {
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--background);
  overflow: hidden;
  transition: border-color 0.3s;
}

details.faq-item[open] {
  border-color: var(--border-acc);
  background: var(--card);
}

summary.faq-trigger {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--primary);
  cursor: pointer;
  min-height: 48px;
  transition: color 0.2s;
  list-style: none;
}

summary.faq-trigger::-webkit-details-marker {
  display: none;
}

summary.faq-trigger:hover,
summary.faq-trigger:focus-visible {
  color: var(--accent);
  outline: none;
}

.faq-chevron {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
}

details.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

details.faq-item .faq-content {
  padding: 0 24px 18px;
}

.faq-content p {
  font-size: 14px;
  color: var(--fg-70);
  line-height: 1.65;
}

/* ── FINAL CTA SECTION ── */
.final-cta-section {
  background: var(--background);
  text-align: center;
}

.final-cta-box {
  max-width: 680px;
  margin: 0 auto;
}

.final-cta-box h2 {
  margin-bottom: 14px;
}

.final-cta-box p {
  font-size: 15px;
  color: var(--fg-70);
  margin-bottom: 20px;
}

/* ── MOBILE STICKY BOTTOM BAR ── */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 990;
  background: rgba(28, 43, 58, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-acc);
  padding: 10px 18px calc(10px + env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  transform: translateY(100%);
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
  opacity: 0;
  pointer-events: none;
}

.mobile-sticky-bar.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-sticky-info {
  display: flex;
  flex-direction: column;
}

.mobile-sticky-title {
  font-size: 11.5px;
  color: var(--primary-fg);
  font-weight: 500;
}

.mobile-sticky-price {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--accent);
  font-weight: 600;
}

.mobile-sticky-btn {
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: .05em;
  background: var(--accent);
  color: var(--primary);
  border-radius: 2px;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ── FOOTER ── */
footer {
  background: var(--primary);
  color: var(--primary-fg);
  padding: clamp(36px, 5vw, 56px) 0 30px;
  border-top: 1px solid var(--border-acc);
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-logo-surface {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  background: #F5F1EA;
  border: 1px solid rgba(201, 169, 110, 0.35);
  border-radius: 4px;
  margin-bottom: 14px;
}

.footer-logo-surface img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}

.foot-brand p {
  font-size: 13px;
  color: rgba(245, 241, 234, 0.7);
  max-width: 320px;
  font-weight: 300;
}

.foot-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.foot-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.foot-col a, .foot-col span {
  font-size: 13px;
  color: rgba(245, 241, 234, 0.8);
  transition: color 0.2s;
}

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

.foot-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 11px;
  color: rgba(245, 241, 234, 0.5);
}

.foot-disclaimer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 10px;
  color: rgba(245, 241, 234, 0.4);
  line-height: 1.6;
  font-family: var(--mono);
}

/* ── REVEAL ANIMATIONS (VISIBLE BY DEFAULT FOR NO-JS FALLBACK) ── */
.reveal, .reveal-l, .reveal-r {
  opacity: 1;
  transform: none;
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

/* Only when JS class is added to html do we apply hidden starting state */
.js .reveal { opacity: 0; transform: translateY(20px); }
.js .reveal-l { opacity: 0; transform: translateX(-20px); }
.js .reveal-r { opacity: 0; transform: translateX(20px); }

.js .reveal.in, .js .reveal-l.in, .js .reveal-r.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-l, .reveal-r,
  .js .reveal, .js .reveal-l, .js .reveal-r {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ── RESPONSIVE BREAKPOINTS ── */
/* Intermediate breakpoint: activate hamburger menu at 1120px to prevent header link squishing */
@media (max-width: 1120px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(245, 241, 234, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px 30px 30px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(28, 43, 58, 0.1);
  }
  
  .nav-links.open { display: flex; }
  
  .nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .burger { display: flex; }
  .header-cta-wrap { display: none; }
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-image-wrap { max-width: 480px; width: 100%; margin: 0 auto; }
  .problem-grid, .teacher-grid, .audience-grid { grid-template-columns: 1fr; gap: 36px; }
  .differentials-grid { grid-template-columns: repeat(3, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-grid {
    display: flex;
    flex-direction: column;
  }

  .hero-text-content {
    order: 1;
  }

  .hero-image-wrap {
    order: 2;
    margin-top: 28px;
    max-width: 100%;
  }

  .credibility-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-sequence { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: 1fr; }
  .learning-editorial-list { grid-template-columns: 1fr; gap: 0; }
  .comparison-grid { grid-template-columns: 1fr; }
  .differentials-grid { grid-template-columns: 1fr; }
  .guarantee-box { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .foot-grid { grid-template-columns: 1fr; }
  
  .mobile-sticky-bar { display: flex; }
}

@media (min-width: 1121px) {
  .mobile-sticky-bar { display: none !important; }
}

/* Legal and consent controls */
.foot-bottom{gap:18px;flex-wrap:wrap}.foot-legal-links{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.foot-legal-links a,.foot-legal-links button{font:inherit;color:inherit;opacity:.72;text-decoration:underline;text-underline-offset:3px}.foot-legal-links a:hover,.foot-legal-links button:hover{opacity:1}.foot-legal-links button{border:0;background:transparent;cursor:pointer;padding:0}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}