/* Marbling Body — sales-page layout, marbling paint accents */
:root {
  --ink: #1a1625;
  --ink-soft: #3d3550;
  --paper: #faf8fc;
  --paper-alt: #f0ebf8;
  --accent: #6b4ce6;
  --accent-teal: #2db8a8;
  --accent-magenta: #d946a8;
  --accent-orange: #f97316;
  --accent-coral: #e85d4c;
  --promo-red: #b91c1c;
  --promo-red-hover: #991b1b;
  --marble-1: #c4b5fd;
  --marble-2: #5eead4;
  --marble-3: #fda4af;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 8px 32px rgba(26, 22, 37, 0.08);
  --shadow-lg: 0 16px 48px rgba(26, 22, 37, 0.12);
  --max: 42rem;
  --wide: 56rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--paper);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: #5538c9;
}

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

/* Promo — partner pill CTA */
.promo-bar {
  padding: 0.65rem 1rem;
  background: var(--paper-alt);
  border-bottom: 1px solid rgba(26, 22, 37, 0.06);
  display: flex;
  justify-content: center;
}

.promo-bar__cta {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem 0.65rem;
  width: 100%;
  max-width: 28rem;
  padding: 0.7rem 1.15rem;
  background: linear-gradient(135deg, var(--promo-red), #dc2626);
  color: #fff !important;
  text-decoration: none;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
  box-shadow: 0 4px 16px rgba(185, 28, 28, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.promo-bar__cta:hover {
  color: #fff;
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(185, 28, 28, 0.35);
}

.promo-bar__cta:active {
  transform: translateY(0);
}

.promo-bar__badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

.promo-bar__offer {
  letter-spacing: 0.01em;
}

.promo-bar__brand {
  font-weight: 800;
}

.promo-bar__chevron {
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid #fff;
  border-top: 2px solid #fff;
  transform: rotate(45deg);
  margin-left: 0.15rem;
  flex-shrink: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1rem 1.25rem 1.15rem;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(196, 181, 253, 0.5), transparent),
    radial-gradient(ellipse 70% 50% at 85% 20%, rgba(45, 184, 168, 0.4), transparent),
    radial-gradient(ellipse 55% 45% at 60% 90%, rgba(217, 70, 168, 0.2), transparent),
    radial-gradient(ellipse 50% 35% at 10% 80%, rgba(249, 115, 22, 0.15), transparent),
    var(--paper);
  border-bottom: 1px solid rgba(107, 76, 230, 0.12);
}

.site-header__inner {
  max-width: var(--wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: stretch;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  justify-content: center;
}

.site-nav a {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.site-nav a:hover {
  color: var(--accent);
  background: rgba(107, 76, 230, 0.08);
  border-color: rgba(107, 76, 230, 0.15);
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
  background: rgba(107, 76, 230, 0.12);
  border-color: rgba(107, 76, 230, 0.22);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
}

.logo__mark {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: conic-gradient(
    from 210deg,
    var(--marble-1),
    var(--accent-teal),
    var(--accent-magenta),
    var(--accent-orange),
    var(--marble-3),
    var(--marble-1)
  );
  box-shadow: var(--shadow);
}

.hero {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
}

.hero__copy {
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: clamp(1.85rem, 5.5vw, 2.6rem);
  line-height: 1.12;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  max-width: 16ch;
}

.hero__subtitle {
  margin: 0 0 0.35rem;
  font-size: clamp(1.1rem, 3.5vw, 1.35rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.hero__tagline {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-teal);
  letter-spacing: 0.02em;
}

.hero__lead {
  margin: 1rem 0 0;
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 36rem;
}

.hero--interior .hero__title {
  max-width: none;
}

.country-list {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-top: 1.25rem !important;
}

.hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(107, 76, 230, 0.12);
}

.hero__figure img {
  width: 100%;
}

.page-main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.25rem 3.5rem;
}

.content-section {
  position: relative;
  margin-bottom: 2.75rem;
  padding: 1.75rem 1.35rem;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(26, 22, 37, 0.06);
  overflow: hidden;
}

.content-section--alt {
  background: linear-gradient(145deg, #fff 0%, var(--paper-alt) 100%);
}

.content-section__inner {
  position: relative;
  z-index: 1;
}

.content-section--process {
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.content-section--process .content-section__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(250, 248, 252, 0.94) 0%, rgba(250, 248, 252, 0.88) 100%),
    url("/images/paint-tray-swirl.png") center / cover no-repeat;
  border-radius: var(--radius-lg);
  z-index: 0;
}

.content-section--process .content-section__inner {
  padding: 1.75rem 1.35rem;
  background: rgba(255, 255, 255, 0.72);
  margin: 0.35rem;
  border-radius: calc(var(--radius-lg) - 4px);
  border: 1px solid rgba(45, 184, 168, 0.15);
  box-shadow: var(--shadow);
}

.content-section h2 {
  font-size: clamp(1.25rem, 3.5vw, 1.5rem);
  color: var(--ink);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
  padding-bottom: 0.65rem;
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--accent), var(--accent-teal), var(--accent-magenta)) 1;
}

.content-section h3 {
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 1.75rem 0 0.65rem;
}

.content-section h3:first-of-type {
  margin-top: 0;
}

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

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

.process-infographic {
  margin: 0 0 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(26, 22, 37, 0.1);
  border: 1px solid rgba(107, 76, 230, 0.12);
}

.process-infographic img {
  width: 100%;
}

.process-tray {
  margin: 0 0 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(26, 22, 37, 0.1);
  border: 2px solid rgba(45, 184, 168, 0.2);
}

.process-tray img {
  width: 100%;
  max-height: 16rem;
  object-fit: cover;
}

.process-tray__caption {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  padding: 0.65rem 0.85rem;
  background: linear-gradient(90deg, rgba(45, 184, 168, 0.1), rgba(107, 76, 230, 0.06));
  margin: 0;
}

.process-list {
  margin: 0;
  padding-left: 1.25rem;
}

.process-list li {
  margin-bottom: 1rem;
  padding-left: 0.35rem;
}

.process-list li:last-child {
  margin-bottom: 0;
}

.process-list li::marker {
  color: var(--accent-magenta);
  font-weight: 700;
}

.process-result {
  margin: 1.75rem 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(217, 70, 168, 0.25);
}

.process-result img {
  width: 100%;
  max-height: 20rem;
  object-fit: cover;
  object-position: center 35%;
}

.process-result__caption {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  padding: 0.65rem 0.85rem;
  background: linear-gradient(90deg, rgba(217, 70, 168, 0.1), rgba(45, 184, 168, 0.08));
  margin: 0;
}

/* Unified e-book sales panel */
.ebook-unified-panel {
  padding: 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(45, 184, 168, 0.14), transparent 42%),
    radial-gradient(circle at 88% 75%, rgba(217, 70, 168, 0.12), transparent 48%),
    #fff;
  border: 2px solid rgba(107, 76, 230, 0.22);
  box-shadow: var(--shadow-lg);
}

.ebook-unified-panel__inner {
  display: grid;
  gap: 1.5rem;
  padding: 1.75rem 1.35rem;
  align-items: start;
}

.ebook-unified-panel__cover {
  margin: 0;
  justify-self: center;
  max-width: 14rem;
  filter: drop-shadow(0 12px 28px rgba(26, 22, 37, 0.22));
}

.ebook-unified-panel__cover img {
  width: 100%;
  border-radius: 4px;
}

.ebook-unified-panel__content h2 {
  margin-top: 1.75rem;
}

.ebook-unified-panel__content h2:first-child {
  margin-top: 0;
}

.ebook-unified-panel__guarantee {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-top: 1.75rem;
  padding: 1.25rem 1rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(45, 184, 168, 0.1) 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(45, 184, 168, 0.28);
}

.ebook-unified-panel__guarantee h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.ebook-unified-panel__guarantee-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent));
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(45, 184, 168, 0.35);
}

.ebook-unified-panel__cta {
  display: block;
  width: 100%;
  margin-top: 1.75rem;
  text-align: center;
}

.cta-button {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.95rem 1.75rem;
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent), var(--accent-teal));
  background-size: 200% 200%;
  color: #fff !important;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(217, 70, 168, 0.35);
}

.ebook-unified-panel__cta.cta-button {
  margin-top: 1.75rem;
}

.cta-button:hover {
  filter: brightness(1.06);
  color: #fff;
  transform: translateY(-1px);
}

.site-footer {
  text-align: center;
  padding: 1.5rem 1.25rem 2rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
  border-top: 1px solid rgba(26, 22, 37, 0.08);
  background: var(--paper-alt);
}

.site-footer__nav ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
}

.site-footer__nav a {
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  text-decoration: none;
}

.site-footer__nav a:hover {
  text-decoration: underline;
}

.site-footer__nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
}

.article-byline {
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--ink);
  margin: 0 0 1.25rem;
}

.content-figure {
  margin: 1.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* E-book sales landing */
.ebook-hero {
  padding: 0 1.25rem 2rem;
  background:
    radial-gradient(ellipse 90% 70% at 15% 0%, rgba(196, 181, 253, 0.45), transparent),
    radial-gradient(ellipse 75% 55% at 90% 30%, rgba(45, 184, 168, 0.35), transparent),
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(217, 70, 168, 0.18), transparent),
    var(--paper);
  border-bottom: 1px solid rgba(107, 76, 230, 0.1);
}

.ebook-hero__inner {
  max-width: var(--wide);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.ebook-hero--text-only {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.ebook-hero--text-only .ebook-hero__inner {
  max-width: 42rem;
  text-align: center;
  justify-items: center;
}

.ebook-hero--stacked {
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}

.ebook-hero--stacked .ebook-hero__inner {
  grid-template-columns: 1fr;
  max-width: 40rem;
  text-align: center;
  justify-items: center;
  gap: 1.75rem;
}

.ebook-hero__cover {
  margin: 0;
  max-width: min(100%, 18rem);
  text-align: center;
  filter: drop-shadow(0 16px 36px rgba(26, 22, 37, 0.22));
}

.ebook-hero__cover img {
  width: 100%;
  height: auto;
  display: block;
}

.ebook-hero__cover figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.ebook-hero__title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-transform: uppercase;
}

.ebook-hero__subtitle {
  margin: 0 0 1.25rem;
  font-size: clamp(1rem, 2.8vw, 1.2rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-soft);
}

.ebook-hero__cta {
  margin-top: 0;
}

.ebook-hero__art {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(107, 76, 230, 0.18);
}

.ebook-hero__art img {
  width: 100%;
  max-height: 22rem;
  object-fit: cover;
  object-position: center top;
}

.ebook-guide-banner {
  margin: 0 0 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(107, 76, 230, 0.12);
}

.ebook-guide-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.ebook-main .content-section ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.ebook-main .content-section ul:last-child {
  margin-bottom: 0;
}

.ebook-intro__cover {
  margin: 1.75rem auto 0;
  max-width: 12rem;
  text-align: center;
  filter: drop-shadow(0 12px 28px rgba(26, 22, 37, 0.2));
}

.ebook-intro__cover figcaption {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.ebook-learn-grid {
  display: grid;
  gap: 1rem;
  margin-top: 0.5rem;
}

.ebook-learn-card {
  padding: 1.15rem 1rem;
  background: linear-gradient(145deg, #fff 0%, var(--paper-alt) 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(45, 184, 168, 0.18);
}

.ebook-learn-card h3 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink);
}

.ebook-learn-card p {
  margin: 0 0 0.75rem;
  font-size: 0.9875rem;
}

.ebook-learn-card p:last-child {
  margin-bottom: 0;
}

.ebook-learn-card ul {
  margin: 0 0 0.75rem;
  padding-left: 1.15rem;
  font-size: 0.9875rem;
}

.ebook-audience-list {
  columns: 1;
  gap: 2rem;
}

.ebook-audience-list li {
  margin-bottom: 0.5rem;
  break-inside: avoid;
}

.ebook-cta-panel {
  margin-top: 0.5rem;
  padding: 0 0 0.5rem;
}

.ebook-cta-panel__inner {
  padding: 2rem 1.35rem;
  text-align: center;
  background:
    radial-gradient(circle at 20% 30%, rgba(45, 184, 168, 0.12), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(217, 70, 168, 0.1), transparent 48%),
    #fff;
  border-radius: var(--radius-lg);
  border: 3px solid transparent;
  border-image: linear-gradient(135deg, var(--accent), var(--accent-teal), var(--accent-magenta)) 1;
  box-shadow: var(--shadow-lg);
}

.ebook-cta-panel__inner h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 4vw, 1.65rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.ebook-cta-panel__title {
  font-size: 1.15rem;
  margin: 0 0 0.75rem !important;
}

.ebook-cta-panel__tagline {
  font-size: 1.05rem;
  margin: 1rem 0 !important;
}

.ebook-cta-panel__button {
  display: inline-block;
  margin: 1.25rem 0 1rem;
}

.ebook-cta-panel__disclaimer {
  font-size: 0.8125rem;
  line-height: 1.55;
  max-width: 36rem;
  margin: 1.25rem auto 0 !important;
  color: var(--ink-soft);
  text-align: left;
}

@media (min-width: 640px) {
  .site-header__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .site-nav__list {
    justify-content: flex-end;
  }

  .ebook-hero:not(.ebook-hero--stacked):not(.ebook-hero--text-only) .ebook-hero__inner {
    grid-template-columns: 1fr 1.1fr;
    gap: 2rem;
  }

  .ebook-hero__art img {
    max-height: none;
    object-fit: contain;
  }

  .ebook-hero--stacked .ebook-hero__inner {
    max-width: 44rem;
    gap: 2rem;
  }

  .ebook-hero__cover {
    max-width: 22rem;
  }

  .ebook-learn-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ebook-learn-card--wide {
    grid-column: 1 / -1;
  }

  .ebook-audience-list {
    columns: 2;
  }

  .ebook-cta-panel__inner {
    padding: 2.25rem 2rem;
  }

  .promo-bar__cta {
    max-width: none;
    width: auto;
    padding: 0.75rem 1.35rem;
    font-size: 0.9375rem;
  }

  .hero {
    display: grid;
    grid-template-columns: 0.95fr 1.15fr;
    gap: 2rem;
    align-items: center;
  }

  .hero__copy {
    margin-bottom: 0;
    padding-top: 0.5rem;
  }

  .hero__title {
    max-width: none;
  }

  .content-section {
    padding: 2rem 1.75rem;
  }

  .content-section--process .content-section__inner {
    padding: 2rem 1.75rem;
  }

  .ebook-unified-panel__inner {
    grid-template-columns: minmax(10rem, 13rem) 1fr;
    gap: 2rem;
    padding: 2rem 1.75rem;
  }

  .ebook-unified-panel__cover {
    justify-self: end;
    max-width: 13rem;
    position: sticky;
    top: 1rem;
  }

  .ebook-unified-panel__cta {
    width: auto;
    display: inline-block;
  }
}

@media (min-width: 768px) {
  .process-result img {
    max-height: 24rem;
  }

  .ebook-unified-panel__cover {
    max-width: 15rem;
  }

  .ebook-hero__cover {
    max-width: 26rem;
  }
}