/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: 'Inter', sans-serif;
  font-size: 16.8px;
  line-height: 1.6;
  color: #111;
  background: #f9f9f9;
}

a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ===== SKIP LINK (accessibility) ===== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: #111;
  color: #f9f9f9;
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

/* ===== STICKY HEADER / ESCAPE BUTTON ===== */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  padding: 16px 0;
  text-align: center;
}

.escape-btn {
  display: inline-block;
  background: #d8613c;
  color: #f9f9f9;
  font-family: 'Inter', sans-serif;
  font-size: 14.4px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 5px;
  transition: opacity 0.2s;
}
.escape-btn:hover { opacity: 0.85; }

/* ===== MAIN CONTENT CONTAINER ===== */
main {
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HERO SECTION ===== */
.hero {
  text-align: center;
  padding: 40px 24px 20px;
}

.hero-logo {
  width: 300px;
  margin: 0 auto 24px;
}

.hero-title {
  font-family: 'Inter', sans-serif;
  font-size: 40px;
  font-weight: 700;
  color: #111;
  margin-bottom: 0;
}

/* ===== DISCLAIMER / INTRO SECTIONS (full-bleed) ===== */
.disclaimer-band {
  background: #ffca28;
  color: #111;
  padding: 16px 104px;
  font-size: 16.8px;
  line-height: 1.55;
  font-style: italic;
}

.intro-dark {
  background: #111;
  color: #f9f9f9;
  padding: 64px 104px;
  font-size: 16.8px;
  line-height: 1.55;
}

.intro-dark a {
  color: #f9f9f9;
  text-decoration: underline;
}

.intro-dark p {
  margin-bottom: 24px;
}

.intro-dark p:last-child {
  margin-bottom: 0;
}

/* ===== MEDIA-TEXT (icon + heading) ===== */
.media-text {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

.section-icon {
  width: 179px;
  height: auto;
  flex-shrink: 0;
}

/* ===== SECTION HEADINGS ===== */
.section-heading {
  font-family: 'Cardo', serif;
  font-size: 40px;
  font-weight: 400;
  color: #f9f9f9;
  margin-bottom: 0;
}

/* ===== DARK SECTION (full-bleed) ===== */
.dark-section {
  background: #111;
  color: #f9f9f9;
  padding: 64px 104px;
}

.dark-section a {
  color: #f9f9f9;
  text-decoration: underline;
}

.dark-section .section-heading {
  color: #f9f9f9;
}

/* ===== LIGHT SECTION ===== */
.light-section {
  padding: 48px 104px;
}

.light-section .section-heading {
  color: #111;
}

.light-section a {
  color: #111;
  text-decoration: underline;
}

/* ===== CONTENT LISTS ===== */
.content-list {
  list-style: disc;
  padding-left: 24px;
  line-height: 1.8;
}

.content-list li {
  margin-bottom: 12px;
}

.content-list.nested {
  margin-top: 8px;
  list-style: circle;
}

.section-text {
  line-height: 1.8;
}

.section-intro {
  margin-bottom: 16px;
  line-height: 1.8;
}

.section-intro + .content-list {
  list-style: circle;
}

/* ===== DOSING TABLE ===== */
.dose-table-wrapper {
  margin: 32px 0;
}

.dose-table-label {
  font-family: 'Inter', sans-serif;
  font-size: 14.4px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #636363;
  margin-bottom: 12px;
  text-align: center;
}

.dose-table {
  width: 100%;
  border-collapse: collapse;
}

.dose-table th {
  background: transparent;
  color: #111;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 14px 16px;
  text-align: center;
  border-bottom: 2px solid #111;
}

.dose-table th:first-child {
  text-align: left;
}

.dose-table td {
  padding: 14px 16px;
  text-align: center;
  font-size: 15px;
}

.dose-table td:first-child {
  font-weight: 600;
  text-align: left;
}

.dose-table tr:nth-child(odd) td {
  background: #f0f0f0;
}

.dose-table tr:nth-child(even) td {
  background: #fff;
}

/* ===== SIDE EFFECTS TABLE ===== */
.effects-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.effects-table th {
  background: transparent;
  color: #111;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 14px 16px;
  text-align: left;
  border-bottom: 2px solid #111;
}

.effects-table th:not(:first-child) {
  text-align: center;
}

.effects-table td {
  padding: 12px 16px;
  font-size: 15px;
}

.effects-table td:not(:first-child) {
  text-align: center;
}

.effects-table tr:nth-child(odd) td {
  background: #f0f0f0;
}

.effects-table tr:nth-child(even) td {
  background: #fff;
}

/* ===== RECOMMENDED SOURCES ===== */
.source-block {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(249, 249, 249, 0.2);
}

.source-block:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.source-name {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.source-links {
  margin-bottom: 12px;
}

.source-links a {
  display: inline-block;
  margin-right: 12px;
  font-size: 14.4px;
}

.source-notes {
  list-style: circle;
  padding-left: 24px;
  margin-bottom: 16px;
  line-height: 1.8;
}

.source-notes li {
  margin-bottom: 8px;
}

.product-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #f9f9f9;
  color: #111 !important;
  text-decoration: none !important;
  border-radius: 5px;
  font-weight: 700;
  font-size: 15px;
  transition: opacity 0.2s;
}

.product-link:hover {
  opacity: 0.7;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 14.4px;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: opacity 0.2s;
}

.btn:hover { opacity: 0.8; }

.btn-dark {
  background: #111;
  color: #f9f9f9 !important;
  text-decoration: none !important;
}

.btn-light {
  background: #f9f9f9;
  color: #111 !important;
  text-decoration: none !important;
}

/* ===== INJECTION GUIDE BUTTON ===== */
.guide-btn-wrapper {
  margin-top: 24px;
}

/* ===== LAB OPTIONS ===== */
.lab-options {
  list-style: circle;
  padding-left: 40px;
  margin: 12px 0;
  line-height: 1.8;
}

.lab-options li {
  margin-bottom: 8px;
}

/* ===== FOOTER ===== */
.footer-dark {
  background: #111;
  color: #f9f9f9;
  padding: 48px 104px;
  font-size: 16.8px;
  line-height: 1.55;
}

.footer-light {
  text-align: center;
  padding: 32px 24px 48px;
  color: #636363;
  font-size: 14px;
  line-height: 1.7;
}

.footer-logo {
  width: 80px;
  margin: 16px auto 0;
  opacity: 0.6;
}

.footer-date {
  font-size: 13px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .dark-section,
  .light-section,
  .disclaimer-band,
  .intro-dark,
  .footer-dark {
    padding-left: 24px;
    padding-right: 24px;
  }

  .dark-section,
  .intro-dark,
  .footer-dark {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .media-text {
    gap: 16px;
  }

  .section-icon {
    width: 100px;
  }

  .section-heading {
    font-size: 28px;
  }

  .hero-logo {
    width: 200px;
  }

  .hero-title {
    font-size: 32px;
  }

  .dose-table th,
  .dose-table td,
  .effects-table th,
  .effects-table td {
    padding: 10px 8px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .hero-logo {
    width: 160px;
  }

  .hero-title {
    font-size: 28px;
  }

  .section-icon {
    width: 70px;
  }

  .section-heading {
    font-size: 24px;
  }

  .media-text {
    gap: 12px;
  }

  .product-links {
    gap: 8px;
  }
}