:root {
  --bg: #f4f8f6;
  --surface: #ffffff;
  --surface-soft: #e9f5f1;
  --surface-deep: #dceee8;
  --ink: #17302b;
  --muted: #60716d;
  --line: rgba(23, 48, 43, 0.12);
  --brand: #237966;
  --brand-dark: #155847;
  --brand-light: #84c9b7;
  --accent: #e6a55b;
  --danger: #a14444;
  --shadow: 0 24px 70px rgba(33, 71, 63, 0.11);
  --radius: 26px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(132, 201, 183, 0.18), transparent 30%),
    radial-gradient(circle at 90% 15%, rgba(230, 165, 91, 0.12), transparent 26%),
    linear-gradient(180deg, #f8fbfa 0%, var(--bg) 48%, #eef5f2 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 251, 250, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: .25s ease;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 35px rgba(25, 60, 52, .07);
}

.header-shell {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff;
  font-size: 23px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(35, 121, 102, .24);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  letter-spacing: .01em;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  margin-top: 1px;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 24px;
}

nav li {
  margin: 0;
}

nav a {
  position: relative;
  display: inline-block;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 650;
  color: #334d47;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}

nav a:hover::after,
nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  padding: 10px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  border-radius: 2px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 90px;
}

.hero-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(1px);
  pointer-events: none;
}

.hero-orb-one {
  width: 420px;
  height: 420px;
  right: -140px;
  top: 40px;
  background: radial-gradient(circle, rgba(132, 201, 183, .35), rgba(132, 201, 183, 0));
}

.hero-orb-two {
  width: 300px;
  height: 300px;
  left: -140px;
  bottom: -60px;
  background: radial-gradient(circle, rgba(230, 165, 91, .18), rgba(230, 165, 91, 0));
}

.eyebrow,
.section-heading > span,
.safety-kicker {
  display: inline-block;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 14px;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3rem, 5.7vw, 5.8rem);
  line-height: .99;
  letter-spacing: -.055em;
  font-weight: 800;
}

.hero-lead {
  max-width: 760px;
  margin: 28px 0 0;
  color: #546863;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 750;
  transition: .2s ease;
}

.primary-action {
  background: var(--brand-dark);
  color: #fff;
  box-shadow: 0 13px 28px rgba(21, 88, 71, .22);
}

.primary-action:hover {
  color: #fff;
  transform: translateY(-2px);
  background: var(--brand);
}

.secondary-action {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.55);
}

.secondary-action:hover {
  transform: translateY(-2px);
  border-color: rgba(35, 121, 102, .35);
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  margin-top: 27px;
  color: var(--muted);
  font-size: 13px;
}

.hero-note span::before {
  content: "•";
  color: var(--brand);
  margin-right: 8px;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.visual-card {
  position: absolute;
  left: -38px;
  bottom: 34px;
  width: min(340px, 85%);
  padding: 22px;
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 22px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px rgba(30,70,60,.14);
}

.visual-label {
  display: block;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 10px;
  font-weight: 800;
  margin-bottom: 5px;
}

.visual-card strong {
  display: block;
  font-size: 21px;
}

.visual-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.quick-facts {
  padding: 0 0 40px;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,.72);
  box-shadow: 0 16px 60px rgba(25, 67, 58, .06);
}

.facts-grid article {
  padding: 28px;
  border-right: 1px solid var(--line);
}

.facts-grid article:last-child {
  border-right: 0;
}

.fact-index {
  display: block;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}

.facts-grid h2 {
  margin: 9px 0 8px;
  font-size: 18px;
}

.facts-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.content-section {
  padding: 96px 0;
}

.alternate-section {
  position: relative;
}

.alternate-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(230,241,237,.55), rgba(246,250,248,.3));
  border-top: 1px solid rgba(23,48,43,.06);
  border-bottom: 1px solid rgba(23,48,43,.06);
}

.section-heading {
  max-width: 800px;
  margin: 0 auto 45px;
  text-align: center;
}

.left-heading {
  margin-left: 0;
  text-align: left;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.25rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.045em;
}

.section-heading p {
  margin: 18px auto 0;
  max-width: 720px;
  color: var(--muted);
  font-size: 17px;
}

.left-heading p {
  margin-left: 0;
}

.content-card {
  height: 100%;
  padding: 34px;
  background: rgba(255,255,255,.87);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 55px rgba(27, 72, 63, .06);
}

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

.highlight-box {
  margin-top: 27px;
  padding: 20px 22px;
  border-left: 4px solid var(--brand);
  border-radius: 0 14px 14px 0;
  background: var(--surface-soft);
}

.image-card {
  height: 100%;
  min-height: 440px;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius);
  background: var(--surface-deep);
  box-shadow: var(--shadow);
}

.image-card img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
}

.image-caption {
  position: absolute;
  inset: auto 18px 18px;
  padding: 18px 20px;
  border-radius: 17px;
  background: rgba(20,50,43,.82);
  color: #fff;
  backdrop-filter: blur(8px);
}

.image-caption strong,
.image-caption span {
  display: block;
}

.image-caption span {
  opacity: .8;
  font-size: 13px;
  margin-top: 4px;
}

.info-grid,
.interaction-grid,
.lifestyle-grid {
  display: grid;
  gap: 22px;
}

.info-grid {
  grid-template-columns: repeat(3, 1fr);
}

.info-card,
.interaction-grid article,
.lifestyle-grid article {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  transition: transform .22s ease, box-shadow .22s ease;
}

.info-card:hover,
.interaction-grid article:hover,
.lifestyle-grid article:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 45px rgba(35, 79, 69, .09);
}

.info-card h3,
.interaction-grid h3,
.lifestyle-grid h3 {
  margin: 15px 0 9px;
  font-size: 20px;
}

.info-card p,
.interaction-grid p,
.lifestyle-grid p {
  color: var(--muted);
  margin-bottom: 0;
}

.icon-badge {
  display: inline-grid;
  place-items: center;
  min-width: 54px;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--brand-dark);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .08em;
}

.step-list {
  display: grid;
  gap: 14px;
}

.step-list article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 17px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.step-list article > strong {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: var(--brand);
}

.step-list h3 {
  margin: 0 0 6px;
  font-size: 19px;
}

.step-list p {
  margin: 0;
  color: var(--muted);
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.split-panel > div {
  padding: 36px;
  background: rgba(255,255,255,.9);
}

.split-panel h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.split-panel p {
  color: var(--muted);
}

.side-effect-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.side-effect-column {
  padding: 32px;
  border: 1px solid rgba(35,121,102,.18);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #f7fcfa, #edf7f3);
}

.warning-column {
  border-color: rgba(161,68,68,.18);
  background: linear-gradient(180deg, #fffafa, #f8eeee);
}

.side-effect-column h3 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 23px;
}

.check-list,
.alert-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.alert-list li {
  position: relative;
  padding: 10px 0 10px 30px;
  border-bottom: 1px solid rgba(23,48,43,.08);
}

.check-list li::before,
.alert-list li::before {
  position: absolute;
  left: 0;
  top: 10px;
  font-weight: 800;
}

.check-list li::before {
  content: "✓";
  color: var(--brand);
}

.alert-list li::before {
  content: "!";
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
}

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

.notice-strip {
  margin-top: 25px;
  padding: 22px 25px;
  border-radius: 18px;
  background: var(--brand-dark);
  color: rgba(255,255,255,.88);
  font-weight: 600;
}

.large-copy {
  font-size: 18px;
  color: var(--muted);
}

.red-flag-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.red-flag-grid div {
  padding: 17px 18px;
  border-radius: 15px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 25px rgba(30,68,59,.04);
}

.safety-card {
  position: sticky;
  top: 110px;
  padding: 34px;
  border-radius: var(--radius);
  color: #fff;
  background:
    radial-gradient(circle at 100% 0%, rgba(255,255,255,.12), transparent 32%),
    linear-gradient(150deg, #164f42, #237966);
  box-shadow: var(--shadow);
}

.safety-card .safety-kicker {
  color: #bce8dc;
}

.safety-card h3 {
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -.04em;
}

.safety-card p {
  color: rgba(255,255,255,.78);
}

.safety-card a {
  display: inline-block;
  margin-top: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255,255,255,.45);
  font-weight: 700;
}

.accordion {
  --bs-accordion-border-color: var(--line);
  --bs-accordion-btn-bg: rgba(255,255,255,.88);
  --bs-accordion-active-bg: var(--surface-soft);
  --bs-accordion-active-color: var(--ink);
  --bs-accordion-btn-focus-box-shadow: none;
  --bs-accordion-border-radius: 18px;
}

.accordion-item {
  overflow: hidden;
  margin-bottom: 12px;
  border-radius: 18px !important;
}

.accordion-button {
  font-weight: 750;
  padding: 20px 22px;
}

.accordion-body {
  color: var(--muted);
  line-height: 1.75;
}

.lifestyle-grid {
  grid-template-columns: repeat(4, 1fr);
}

.lifestyle-grid article > span {
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}

.faq-section {
  padding-top: 70px;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-list details {
  padding: 0 22px;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.45);
}

.faq-list details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 35px 22px 0;
  position: relative;
  font-size: 18px;
  font-weight: 750;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 17px;
  font-size: 28px;
  font-weight: 300;
  color: var(--brand);
  transition: transform .2s ease;
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list p {
  color: var(--muted);
  padding: 0 0 24px;
  margin: 0;
}

.editorial-section {
  padding: 20px 0 80px;
}

.editorial-card {
  display: grid;
  grid-template-columns: 1.5fr .5fr;
  gap: 50px;
  align-items: center;
  padding: 46px;
  border-radius: 30px;
  background: linear-gradient(140deg, #e5f4ef, #f9fbfa 60%, #f7eadc);
  border: 1px solid var(--line);
}

.editorial-card h2 {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.editorial-card p {
  color: var(--muted);
  max-width: 720px;
  margin-bottom: 0;
}

.editorial-links {
  display: grid;
  gap: 10px;
}

.editorial-links a {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.disclaimer-section {
  padding: 0 0 80px;
}

.disclaimer {
  padding: 28px 32px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
}

.disclaimer h2 {
  font-size: 18px;
}

.disclaimer p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

footer {
  padding: 70px 0 28px;
  color: rgba(255,255,255,.82);
  background: #132d28;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, .65fr);
  gap: 45px;
}

.footer-brand {
  color: #fff;
}

.footer-brand small {
  color: rgba(255,255,255,.55);
}

.footer-grid > div:first-child p {
  max-width: 380px;
  margin-top: 18px;
  color: rgba(255,255,255,.58);
}

.footer-grid h2 {
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin: 0 0 15px;
}

.footer-grid ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-grid li {
  margin: 9px 0;
}

.footer-grid a:hover {
  color: #bce8dc;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 45px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.48);
  font-size: 13px;
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 800;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  color: #fff;
  background: var(--brand-dark);
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .2s ease;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1199px) {
  nav ul {
    gap: 17px;
  }

  nav a {
    font-size: 13px;
  }

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

  .facts-grid article:nth-child(2) {
    border-right: 0;
  }

  .facts-grid article:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

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

@media (max-width: 991px) {
  .menu-toggle {
    display: block;
  }

  .header-shell {
    position: relative;
  }

  nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255,255,255,.98);
    box-shadow: var(--shadow);
  }

  nav.open {
    display: block;
  }

  nav ul {
    display: block;
  }

  nav li {
    border-bottom: 1px solid var(--line);
  }

  nav li:last-child {
    border-bottom: 0;
  }

  nav a {
    display: block;
    padding: 13px 4px;
  }

  nav a::after {
    display: none;
  }

  .hero {
    padding-top: 70px;
  }

  .hero-visual {
    max-width: 620px;
    margin: 0 auto;
  }

  .visual-card {
    left: 20px;
  }

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

  .editorial-card,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .safety-card {
    position: static;
  }
}

@media (max-width: 767px) {
  .hero h1 {
    font-size: clamp(2.65rem, 13vw, 4.2rem);
  }

  .facts-grid,
  .info-grid,
  .interaction-grid,
  .lifestyle-grid,
  .side-effect-layout,
  .split-panel,
  .red-flag-grid,
  .editorial-card,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .facts-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .facts-grid article:last-child {
    border-bottom: 0;
  }

  .content-section {
    padding: 72px 0;
  }

  .section-heading h2 {
    font-size: 2.4rem;
  }

  .hero-visual img {
    aspect-ratio: 5/4;
  }

  .visual-card {
    position: relative;
    left: auto;
    bottom: auto;
    width: calc(100% - 24px);
    margin: -50px auto 0;
  }

  .image-card,
  .image-card img {
    min-height: 320px;
  }

  .editorial-card {
    padding: 30px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}