/* ==========================================================================
   The Dao of Effortless Drawing — Landing Page Styles
   Mobile-first, no build step
   ========================================================================== */

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

/* ---------- Custom Properties ---------- */
:root {
  /* Backgrounds */
  --bg-parchment: #faf7f2;
  --bg-dark: #2c2319;
  --bg-mid: #6b5440;

  /* Text */
  --text-primary: #2c2c2c;
  --text-light: #f5f0e8;
  --text-muted: #7a6a54;

  /* Accent */
  --gold: #b5945a;
  --gold-bright: #c4913e;
  --gold-hover: #a87a2f;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --content-width: 720px;
  --wide-width: 960px;
}

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-parchment);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--gold-bright); text-decoration: none; }
a:hover { color: var(--gold-hover); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.25;
}

h1 { font-size: clamp(2.25rem, 6vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 4.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--wide {
  max-width: var(--wide-width);
}

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

.kicker {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-sm);
}

.gold-rule {
  width: 3rem;
  height: 1px;
  background-color: var(--gold);
  border: none;
  margin: var(--space-md) auto;
}

.section-padding {
  padding-block: var(--space-lg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: center;
  text-decoration: none;
  padding: 1rem 2.5rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background-color: var(--gold-bright);
  color: #fff;
}

.btn--primary:hover {
  background-color: var(--gold-hover);
  color: #fff;
}

.btn--outline {
  background-color: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn--outline:hover {
  background-color: var(--gold);
  color: #fff;
}

/* Full-width on mobile */
@media (max-width: 600px) {
  .btn { display: block; width: 100%; }
}

/* ---------- Section: Hero ---------- */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-dark);
  color: var(--text-light);
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.hero__inner {
  max-width: 640px;
}

.hero h1 {
  color: #fff;
  margin-bottom: var(--space-xs);
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  color: var(--gold);
  margin-bottom: var(--space-md);
}

.hero .gold-rule {
  margin: var(--space-md) auto;
}

.hero__badge {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(181, 148, 90, 0.4);
  padding: 0.4rem 1.2rem;
  border-radius: 2px;
}

/* ---------- Section: The Pain ---------- */
.pain {
  background-color: var(--bg-parchment);
}

.pain blockquote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-primary);
  border-left: 2px solid var(--gold);
  padding-left: var(--space-md);
  margin-bottom: var(--space-md);
}

.pain__resolution {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-top: var(--space-md);
}

/* ---------- Section: Breakthrough ---------- */
.breakthrough {
  background-color: var(--bg-parchment);
}

.breakthrough p {
  margin-bottom: var(--space-sm);
}

.breakthrough .highlight {
  color: var(--gold-bright);
  font-weight: 600;
}

/* ---------- Section: Language (angles insight) ---------- */
.language {
  background-color: var(--bg-mid);
  color: var(--text-light);
}

.language h2 {
  color: #fff;
}

.language .lead {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-style: italic;
  color: var(--gold);
  margin-bottom: var(--space-md);
}

.language p {
  margin-bottom: var(--space-sm);
}

/* ---------- Section: Beyond Outlines + Light & Dark ---------- */
.pillars {
  background-color: var(--bg-parchment);
}

.pillars__grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 700px) {
  .pillars__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.pillar-card {
  border-top: 2px solid var(--gold);
  padding-top: var(--space-md);
}

.pillar-card h3 {
  margin-bottom: var(--space-sm);
}

.pillar-card p {
  margin-bottom: var(--space-xs);
}

/* ---------- Section: What You'll Discover ---------- */
.discover {
  background-color: var(--bg-parchment);
}

.discover__list {
  list-style: none;
  padding: 0;
}

.discover__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.discover__list li::before {
  content: '\2013'; /* en-dash */
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* ---------- Section: Module Journey ---------- */
.modules-header {
  background-color: var(--bg-mid);
  color: var(--text-light);
  text-align: center;
}

.modules-header h2 {
  color: #fff;
}

.modules-header p {
  font-family: var(--font-heading);
  font-style: italic;
  color: rgba(245, 240, 232, 0.7);
  margin-top: var(--space-xs);
}

.modules {
  background-color: var(--bg-parchment);
  padding-block: var(--space-lg);
}

.module-card {
  max-width: var(--content-width);
  margin-inline: auto;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border-left: 2px solid var(--gold);
}

.module-card__number {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.25rem;
}

.module-card h3 {
  margin-bottom: var(--space-sm);
}

.module-card__desc {
  margin-bottom: var(--space-sm);
}

.module-card__toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gold-bright);
  padding: 0.5rem 0;
  min-height: 44px;
}

.module-card__toggle::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--gold-bright);
  border-bottom: 2px solid var(--gold-bright);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.module-card__toggle[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.module-card__details {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}

.module-card__details[data-open="true"] {
  max-height: 600px;
}

.module-card__details ul {
  list-style: none;
  padding: var(--space-sm) 0 0 0;
}

.module-card__details li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  line-height: 1.6;
  font-size: 0.9375rem;
}

.module-card__details li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ---------- Section: Joy ---------- */
.joy {
  background-color: var(--bg-mid);
  color: var(--text-light);
  text-align: center;
}

.joy h2 { color: #fff; }

.joy p {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  line-height: 1.8;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-sm);
}

/* ---------- Section: Offer ---------- */
.offer {
  background-color: var(--bg-parchment);
}

.offer__card {
  max-width: 580px;
  margin-inline: auto;
  border: 1px solid rgba(181, 148, 90, 0.3);
  border-radius: 6px;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.offer__card h2 {
  margin-bottom: var(--space-sm);
}

.offer__includes {
  list-style: none;
  padding: 0;
  text-align: left;
  max-width: 360px;
  margin: var(--space-md) auto;
}

.offer__includes li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.offer__includes li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--gold-bright);
  font-weight: 700;
}

.offer__price {
  margin: var(--space-md) 0;
}

.offer__price .original {
  font-size: 1.125rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-right: 0.5rem;
}

.offer__price .current {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--text-primary);
}

.offer__guarantee {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ---------- Section: Instructor ---------- */
.instructor {
  background-color: var(--bg-parchment);
}

.instructor__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 700px) {
  .instructor__inner {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
  }
}

.instructor__photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background-color: #e8e0d4;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.instructor__bio h2 {
  margin-bottom: var(--space-xs);
}

.instructor__bio p {
  margin-bottom: var(--space-sm);
}

/* ---------- Section: FAQ ---------- */
.faq {
  background-color: var(--bg-parchment);
}

.faq h2 {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.faq__item {
  border-bottom: 1px solid rgba(181, 148, 90, 0.25);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  padding: var(--space-sm) 0;
  min-height: 48px;
  gap: var(--space-sm);
}

.faq__question::after {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq__question[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.faq__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}

.faq__answer[data-open="true"] {
  max-height: 300px;
}

.faq__answer p {
  padding-bottom: var(--space-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Section: Final CTA ---------- */
.final-cta {
  background-color: var(--bg-dark);
  color: var(--text-light);
  text-align: center;
}

.final-cta blockquote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  line-height: 1.6;
  color: rgba(245, 240, 232, 0.85);
  max-width: 580px;
  margin: 0 auto var(--space-lg);
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--bg-dark);
  border-top: 1px solid rgba(181, 148, 90, 0.2);
  padding: var(--space-md);
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(245, 240, 232, 0.5);
}

.footer a {
  color: rgba(245, 240, 232, 0.5);
}

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

/* ---------- Responsive fine-tuning ---------- */
@media (min-width: 768px) {
  .section-padding {
    padding-block: var(--space-xl);
  }
}

@media (min-width: 1024px) {
  .section-padding {
    padding-block: var(--space-2xl);
  }
}