:root {
  --ink: #18212b;
  --muted: #667485;
  --line: #d9e1ea;
  --paper: #ffffff;
  --soft: #f5f8fb;
  --navy: #23395b;
  --teal: #0f8b8d;
  --mint: #d9f4ed;
  --amber: #f2b84b;
  --rose: #d95d61;
  --shadow: 0 24px 60px rgba(28, 45, 68, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(217, 225, 234, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  color: #fff;
  background: var(--navy);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 800;
}

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

.brand strong {
  font-size: 1rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.77rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #405064;
  font-size: 0.95rem;
  font-weight: 600;
}

.site-nav a {
  padding: 8px 0;
}

.site-nav a:hover {
  color: var(--teal);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  border-radius: 999px;
}

.section-band {
  background:
    linear-gradient(180deg, rgba(245, 248, 251, 0.9), rgba(255, 255, 255, 0.96)),
    var(--soft);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 520px);
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
  min-height: calc(100vh - 75px);
  padding: clamp(56px, 8vw, 110px) clamp(20px, 5vw, 72px) clamp(40px, 7vw, 90px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tagline {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 780px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(3.25rem, 8vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-text {
  max-width: 640px;
  margin: 26px 0 0;
  color: #45566b;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

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

.button.primary {
  color: #fff;
  background: var(--teal);
  box-shadow: 0 16px 28px rgba(15, 139, 141, 0.22);
}

.button.secondary {
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
}

.note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-panel {
  min-width: 0;
}

.extension-shell,
.browser-frame {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.extension-shell {
  width: min(100%, 440px);
  margin-left: auto;
  overflow: hidden;
}

.extension-topbar,
.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 16px;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.green {
  background: #4fb286;
}

.yellow {
  background: var(--amber);
}

.red {
  background: var(--rose);
}

.extension-title {
  margin-left: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.risk-summary,
.summary-block,
.evidence-card {
  margin: 18px;
}

.risk-summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  background: #fff8e8;
  border: 1px solid #f1d491;
  border-radius: 8px;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.risk-summary strong {
  display: block;
  margin-top: 2px;
  font-size: 1.7rem;
}

.rating-pill {
  align-self: center;
  padding: 8px 12px;
  color: #5a3a00;
  background: #ffe1a1;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
}

.summary-block p,
.evidence-card p {
  margin: 8px 0 0;
  color: #3f4f62;
}

.nutrition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px;
}

.nutrition-grid div {
  padding: 14px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nutrition-grid span,
.nutrition-grid strong {
  display: block;
}

.nutrition-grid span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.nutrition-grid strong {
  margin-top: 4px;
  color: var(--navy);
}

.evidence-card {
  padding: 16px;
  background: #f9fbfc;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
}

.product-section,
.features,
.how-it-works,
.faq {
  padding: clamp(58px, 9vw, 104px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.45rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.screenshot-placeholder {
  max-width: 1100px;
  margin: 0 auto;
}

.browser-frame {
  overflow: hidden;
}

.browser-bar div {
  width: min(440px, 65%);
  margin-left: 8px;
  padding: 7px 12px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.84rem;
}

.browser-content {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 24px;
  min-height: 430px;
  padding: 24px;
  background: #eef3f7;
}

.document-preview,
.extension-preview {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.document-preview {
  padding: 28px;
}

.document-preview h3 {
  margin: 0 0 20px;
  font-size: 1.6rem;
}

.document-preview p {
  height: 14px;
  margin: 18px 0;
  background: #d7e0ea;
  border-radius: 999px;
}

.document-preview p:nth-child(3) {
  width: 82%;
}

.document-preview p:nth-child(4) {
  width: 68%;
}

.document-preview p:nth-child(5) {
  width: 92%;
}

.extension-preview {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
  box-shadow: 0 16px 34px rgba(28, 45, 68, 0.12);
}

.preview-header,
.preview-score {
  padding: 14px;
  border-radius: 8px;
}

.preview-header {
  color: #fff;
  background: var(--navy);
}

.preview-header strong,
.preview-header span,
.preview-score span,
.preview-score strong {
  display: block;
}

.preview-header span {
  margin-top: 4px;
  color: #dce6f2;
  font-size: 0.9rem;
}

.preview-score {
  background: #fff8e8;
  border: 1px solid #f1d491;
}

.preview-score span {
  color: #6c5a2f;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.preview-score strong {
  margin-top: 4px;
  font-size: 1.55rem;
}

.preview-list {
  display: grid;
  gap: 9px;
}

.preview-list span {
  padding: 10px 12px;
  color: #405064;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
}

.feature-card,
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card {
  min-height: 220px;
  padding: 24px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  color: var(--navy);
  background: var(--mint);
  border-radius: 8px;
  font-size: 0.77rem;
  font-weight: 800;
}

.feature-card h3,
.step h3 {
  margin: 18px 0 8px;
  font-size: 1.2rem;
}

.feature-card p,
.step p {
  margin: 0;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}

.step {
  padding: 26px;
}

.step span {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

details + details {
  margin-top: 12px;
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--ink);
  font-weight: 800;
}

summary::marker {
  color: var(--teal);
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: #dbe5ef;
  background: #172335;
}

.site-footer strong,
.site-footer p,
.site-footer span {
  margin: 0;
}

.site-footer p,
.site-footer span {
  color: #aebdcb;
}

@media (max-width: 920px) {
  .hero,
  .browser-content,
  .feature-grid,
  .steps,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .extension-shell {
    margin: 0;
  }

  .site-footer {
    align-items: start;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .browser-content {
    padding: 14px;
  }

  .extension-preview {
    order: -1;
  }

  .nutrition-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 460px) {
  .brand small {
    display: none;
  }

  h1 {
    font-size: clamp(2.65rem, 16vw, 3.4rem);
  }

  .risk-summary {
    flex-direction: column;
  }
}