:root {
  --ink: #102131;
  --muted: #607071;
  --line: #dce3df;
  --paper: #f7f8f4;
  --white: #ffffff;
  --sage: #747968;
  --deep: #173a38;
  --mint: #dfece6;
  --aqua: #b9d7d0;
  --shadow: 0 24px 70px rgba(16, 33, 49, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 104px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(247, 248, 244, 0.92);
  border-bottom: 1px solid rgba(220, 227, 223, 0.8);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 168px;
  height: 78px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  background: var(--white);
}

.language-toggle button {
  min-width: 38px;
  min-height: 32px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}

.language-toggle button[aria-pressed="true"] {
  color: var(--white);
  background: var(--ink);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero,
.page-hero,
.section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.86fr);
  gap: clamp(42px, 8vw, 112px);
  align-items: center;
  min-height: calc(100vh - 86px);
  padding: 54px 0 84px;
}

.hero-banner {
  display: block;
  width: 100%;
  min-height: auto;
  padding: 0;
}

.hero-banner img {
  width: 100%;
  height: auto;
  border: 0;
  box-shadow: none;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--sage);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.3rem, 6.2vw, 5.55rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.lead {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  color: var(--white);
  background: var(--ink);
}

.button.secondary {
  background: transparent;
}

.hero-visual img,
.image-panel img,
.product-mockup,
.page-hero img {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.image-panel {
  display: grid;
  justify-items: center;
}

.product-cta {
  margin-top: 22px;
  min-width: 190px;
}

.product-mockup {
  display: grid;
  min-height: 520px;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 68% 24%, rgba(185, 215, 208, 0.55), transparent 28%),
    linear-gradient(135deg, #fdfdf9 0%, #eef3ee 100%);
}

.product-mockup.compact {
  min-height: 430px;
}

.mock-bottle {
  position: relative;
  width: min(58%, 250px);
  height: 380px;
  border: 1px solid rgba(93, 67, 37, 0.28);
  border-radius: 28px 28px 38px 38px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.24), transparent 18%, rgba(82, 42, 13, 0.4) 52%, rgba(255, 255, 255, 0.18)),
    linear-gradient(180deg, #7b441f 0%, #a46931 48%, #5e3319 100%);
  box-shadow: 0 28px 58px rgba(16, 33, 49, 0.18);
}

.mock-cap {
  position: absolute;
  left: 18%;
  top: -42px;
  width: 64%;
  height: 56px;
  border-radius: 10px 10px 5px 5px;
  background: repeating-linear-gradient(90deg, #182332 0 5px, #0f1722 5px 9px);
}

.mock-label {
  position: absolute;
  left: -9%;
  right: -9%;
  top: 38%;
  display: grid;
  gap: 12px;
  padding: 26px 18px;
  text-align: center;
  color: var(--sage);
  background: rgba(255, 255, 255, 0.88);
  border-top: 1px solid rgba(16, 33, 49, 0.08);
  border-bottom: 1px solid rgba(16, 33, 49, 0.08);
}

.mock-label strong {
  color: var(--sage);
  font-size: 1.55rem;
  letter-spacing: 0.08em;
}

.mock-label small {
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section {
  padding: 88px 0;
}

.split,
.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 7vw, 80px);
  align-items: start;
}

.source-section {
  display: grid;
  gap: 38px;
}

.source-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 76px);
  align-items: start;
}

.source-intro h2 {
  margin-bottom: 0;
}

.source-copy {
  display: grid;
  padding-top: clamp(44px, 7vw, 72px);
}

.source-copy p {
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.32rem);
}

.source-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.source-cards article {
  display: grid;
  align-content: start;
  min-height: 300px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid rgba(23, 58, 56, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.7)),
    linear-gradient(135deg, rgba(223, 236, 230, 0.95), rgba(185, 215, 208, 0.42));
  box-shadow: 0 18px 54px rgba(16, 33, 49, 0.06);
}

.source-cards article:first-child {
  background:
    linear-gradient(180deg, rgba(23, 58, 56, 0.94), rgba(16, 33, 49, 0.94)),
    var(--deep);
}

.source-cards article:first-child h3,
.source-cards article:first-child p {
  color: var(--white);
}

.source-cards article:first-child .source-icon {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
}

.source-cards p {
  color: var(--muted);
}

.source-icon {
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  margin-bottom: 28px;
  color: var(--deep);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(23, 58, 56, 0.16);
  border-radius: 50%;
}

.source-icon svg {
  width: 46px;
  height: 46px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.7;
}

.facts-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.facts-band article {
  padding: clamp(22px, 4vw, 38px);
  background: var(--white);
}

.facts-band strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1;
}

.facts-band span,
.quality-list p,
.cards p,
.editorial p,
.science-grid p,
.contact-card p,
.disclaimer p,
.faq-list p {
  color: var(--muted);
}

.stack {
  align-self: center;
}

.quality-list {
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

.quality-list article,
.cards article,
.product-card,
.form-card,
.contact-card,
.science-grid article,
.disclaimer,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.quality-list article {
  padding: 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.cards article {
  min-height: 210px;
  padding: 28px;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 70px;
  padding: clamp(30px, 5vw, 54px);
  color: var(--white);
  background: var(--deep);
  border-radius: 8px;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.78);
}

.cta-panel .button {
  border-color: var(--white);
  color: var(--deep);
  background: var(--white);
}

.newsletter-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 0.9fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mint);
}

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

.newsletter-form {
  display: grid;
  gap: 14px;
}

.newsletter-form .button {
  width: fit-content;
}

.page-hero {
  padding: 84px 0 52px;
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 430px);
  gap: 44px;
  align-items: center;
}

.product-hero img {
  max-height: 520px;
  object-fit: cover;
}

.product-card,
.form-card,
.contact-card {
  padding: clamp(24px, 4vw, 38px);
}

.specs {
  display: grid;
  gap: 1px;
  margin: 28px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.specs div {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 18px;
  padding: 16px;
  background: var(--white);
}

.specs dt {
  color: var(--muted);
}

.specs dd {
  margin: 0;
  font-weight: 700;
}

.form-card {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.gdpr-consent {
  padding: 16px;
  border: 1px solid rgba(23, 58, 56, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.gdpr-consent summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
}

.gdpr-consent p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.gdpr-consent a {
  color: var(--deep);
  font-weight: 800;
}

.checkbox-field {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  margin-top: 14px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
}

.checkbox-field input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--deep);
}

.hidden-field {
  display: none;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 14px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.disclaimer {
  margin-bottom: 70px;
  padding: clamp(24px, 4vw, 38px);
}

.editorial {
  max-width: 820px;
  padding-top: 36px;
}

.editorial h2 {
  margin-top: 46px;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.article-meta {
  color: var(--sage);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.story-article h3 {
  margin-top: 34px;
  font-size: 1.28rem;
}

.story-article ul {
  display: grid;
  gap: 14px;
  margin: 22px 0 30px;
  padding-left: 22px;
  color: var(--muted);
}

.story-article li::marker {
  color: var(--sage);
}

.story-article blockquote {
  margin: 38px 0 0;
  padding: 26px;
  color: var(--ink);
  background: var(--mint);
  border-left: 4px solid var(--deep);
  font-size: 1.4rem;
  font-weight: 800;
}

.blog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 22px;
  padding-top: 26px;
  padding-bottom: 96px;
}

.blog-card {
  display: grid;
  align-content: start;
  gap: 18px;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid rgba(23, 58, 56, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.featured-blog-card {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(23, 58, 56, 0.96), rgba(16, 33, 49, 0.96)),
    var(--deep);
}

.featured-blog-card .article-meta,
.featured-blog-card p {
  color: rgba(255, 255, 255, 0.76);
}

.featured-blog-card .button {
  width: fit-content;
  border-color: var(--white);
  color: var(--deep);
  background: var(--white);
}

.blog-card h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3.4vw, 3.4rem);
  line-height: 1.02;
}

.blog-card-muted {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(223, 236, 230, 0.66)),
    var(--mint);
}

.article-shell {
  max-width: 900px;
  padding-top: 18px;
}

.blog-article-hero h1 {
  max-width: 900px;
}

.article-body {
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.article-body h2 {
  margin-bottom: 20px;
  font-size: clamp(2.15rem, 4.6vw, 4.4rem);
  line-height: 0.98;
}

.article-body h3 {
  margin-top: 54px;
  margin-bottom: 18px;
  font-size: clamp(1.55rem, 2.8vw, 2.35rem);
  line-height: 1.08;
}

.article-body h4 {
  margin: 34px 0 12px;
  font-size: clamp(1.15rem, 1.9vw, 1.45rem);
}

.article-body p,
.article-body li {
  color: var(--muted);
  font-size: 1.03rem;
}

.article-body .article-deck {
  color: var(--ink);
  font-size: clamp(1.14rem, 2vw, 1.36rem);
  font-weight: 700;
}

.article-body ul {
  display: grid;
  gap: 12px;
  margin: 22px 0 30px;
  padding-left: 24px;
}

.article-body li::marker {
  color: var(--deep);
}

.article-cta {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.74fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  margin-bottom: 80px;
  padding: clamp(28px, 5vw, 52px);
  color: var(--white);
  background: var(--deep);
  border-radius: 8px;
}

.article-cta p {
  color: rgba(255, 255, 255, 0.78);
}

.article-cta .eyebrow {
  color: var(--aqua);
}

.article-cta .form-card {
  background: rgba(255, 255, 255, 0.94);
}

.article-cta .form-card p,
.article-cta .form-card label {
  color: var(--muted);
}

.science-grid,
.science-accordion {
  display: grid;
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
  gap: 12px;
}

.science-accordion details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  overflow: hidden;
}

.science-accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
}

.science-accordion summary::-webkit-details-marker {
  display: none;
}

.science-accordion summary::after {
  content: "+";
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--deep);
  border: 1px solid rgba(23, 58, 56, 0.18);
  border-radius: 50%;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
}

.science-accordion details[open] summary::after {
  content: "-";
}

.science-accordion span {
  color: var(--sage);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.science-accordion strong {
  margin-right: auto;
  color: var(--ink);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.15;
}

.science-accordion p {
  margin: 0;
  padding: 0 22px 22px 68px;
  color: var(--muted);
}

.comparison {
  display: grid;
  gap: 34px;
  padding-top: 28px;
  padding-bottom: 86px;
}

.comparison-header {
  display: grid;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.comparison-header h2 {
  margin-bottom: 12px;
  font-size: clamp(2.35rem, 5.2vw, 5.4rem);
}

.comparison-header p:last-child {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
}

.comparison-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 22px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(23, 58, 56, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(223, 236, 230, 0.68)),
    var(--mint);
}

.comparison-title,
.comparison-card,
.comparison-close {
  border: 1px solid rgba(23, 58, 56, 0.12);
  border-radius: 8px;
}

.comparison-title {
  display: grid;
  gap: 4px;
  min-height: 104px;
  place-items: center;
  padding: 22px;
  text-align: center;
}

.comparison-title span,
.comparison-card span {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--sage);
  font-size: 0.9rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.comparison-card span svg {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.comparison-title strong {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1;
}

.fish-title,
.fish-card {
  background: rgba(255, 255, 255, 0.72);
}

.algae-title,
.algae-card {
  color: var(--white);
  background: var(--deep);
  border-color: rgba(255, 255, 255, 0.1);
}

.algae-title span,
.algae-card span {
  color: var(--aqua);
}

.comparison-card {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 206px;
  padding: clamp(22px, 3vw, 30px);
}

.comparison-card h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.18;
}

.comparison-card p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  font-weight: 650;
}

.algae-card p {
  color: rgba(255, 255, 255, 0.76);
}

.comparison-close {
  grid-column: 1 / -1;
  margin: 18px 0 0;
  padding: clamp(22px, 3vw, 30px);
  color: var(--white);
  background: var(--ink);
  text-align: center;
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  font-weight: 850;
}


.faq-list {
  display: grid;
  gap: 14px;
  padding-top: 30px;
  padding-bottom: 90px;
}

.faq-list details {
  padding: 22px 24px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 14px 0 0;
}

.science-faq {
  padding-top: 18px;
}

.science-faq h2 {
  margin-bottom: 26px;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
}

.contact-hero {
  padding-bottom: 18px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.95fr 0.95fr;
  gap: 28px;
  padding: 54px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.78);
  background: var(--ink);
}

.site-footer img {
  width: 198px;
  height: 96px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.site-footer h2 {
  color: var(--white);
  font-size: 1rem;
}

.site-footer a {
  color: var(--white);
}

.social-links {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
}

.social-links a {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: var(--white);
  text-decoration: none;
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.12);
}

.social-links svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.social-links a:nth-child(2) svg,
.social-links a:nth-child(3) svg {
  fill: currentColor;
  stroke: none;
}

.terms-layout {
  display: grid;
  gap: 18px;
  padding-top: 36px;
  padding-bottom: 90px;
}

.terms-layout article {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.terms-layout h2 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
}

.terms-layout p,
.terms-layout li {
  color: var(--muted);
}

.terms-layout ul {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding-left: 22px;
}

.reference-list {
  font-size: 0.95rem;
}

@media (max-width: 880px) {
  .nav-toggle {
    display: block;
    order: 3;
  }

  .language-toggle {
    order: 2;
    margin-left: auto;
    margin-right: 10px;
  }

  .site-nav {
    order: 4;
    position: fixed;
    inset: 86px 0 auto 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 12px 20px 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
  }

  .hero,
  .source-intro,
  .split,
  .product-layout,
  .product-hero,
  .newsletter-panel,
  .blog-grid,
  .article-cta,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .hero-visual {
    margin: 0;
  }

  .hero-visual img {
    max-height: 560px;
    object-fit: contain;
  }

  .facts-band,
  .cards,
  .science-grid,
  .comparison-panel,
  .source-cards {
    grid-template-columns: 1fr 1fr;
  }

  .cta-panel {
    align-items: center;
    flex-direction: column;
    text-align: center;
  }

  .cta-panel .button {
    width: fit-content;
  }

  .site-footer {
    gap: 22px;
    padding-top: 38px;
    padding-bottom: 38px;
    justify-items: center;
    text-align: center;
  }

  .footer-brand,
  .footer-social {
    display: grid;
    justify-items: center;
  }

  .social-links {
    justify-content: center;
  }

  .table div {
    grid-template-columns: 1fr;
  }

  .comparison-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
  }

  .comparison-title {
    min-height: 68px;
    padding: 12px 8px;
  }

  .comparison-title span,
  .comparison-card span {
    gap: 6px;
    font-size: 0.58rem;
    letter-spacing: 0.1em;
  }

  .comparison-title strong {
    font-size: 1.05rem;
  }

  .comparison-card {
    min-height: 0;
    gap: 8px;
    padding: 12px 10px;
  }

  .comparison-card span svg {
    width: 18px;
    height: 18px;
  }

  .comparison-card h3 {
    font-size: 0.95rem;
    line-height: 1.15;
  }

  .comparison-card p {
    font-size: 0.78rem;
    line-height: 1.38;
  }

  .comparison-close {
    padding: 18px 14px;
    font-size: 1rem;
    line-height: 1.25;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 92px;
    padding: 10px 18px;
  }

  .site-nav {
    top: 92px;
  }

  .brand img {
    width: 132px;
    height: 66px;
  }

  .hero,
  .page-hero,
  .section {
    width: min(100% - 28px, 1160px);
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .facts-band,
  .cards,
  .science-grid,
  .science-accordion,
  .comparison-panel,
  .source-cards {
    grid-template-columns: 1fr;
  }

  .science-accordion p {
    padding-left: 24px;
  }

  .source-cards article {
    min-height: auto;
  }

  .section {
    padding: 58px 0;
  }

  .cta-panel {
    width: min(100% - 28px, 1160px);
    margin-bottom: 44px;
    padding: 34px 22px;
  }

  .cta-panel h2 {
    font-size: clamp(2rem, 11vw, 3rem);
    line-height: 1.05;
  }

  .cta-panel p {
    font-size: 1rem;
  }

  .cta-panel .button {
    width: 100%;
    max-width: 280px;
  }

  .site-footer {
    gap: 18px;
    padding: 28px 24px 30px;
    justify-items: center;
    text-align: center;
  }

  .site-footer img {
    width: 210px;
    height: 102px;
  }

  .footer-brand,
  .footer-social {
    display: grid;
    justify-items: center;
  }

  .social-links {
    justify-content: center;
  }

  .site-footer p {
    margin-bottom: 0;
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .site-footer h2 {
    margin-bottom: 8px;
  }

  .newsletter-panel,
  .article-body,
  .article-cta,
  .disclaimer,
  .product-card,
  .form-card,
  .contact-card {
    padding: 30px 22px;
  }

  .newsletter-panel h2,
  .article-body h2,
  .article-cta h2,
  .disclaimer h2 {
    font-size: clamp(2rem, 10vw, 3rem);
    line-height: 1.05;
  }

  .newsletter-panel p,
  .article-body p,
  .article-body li,
  .article-cta p,
  .disclaimer p {
    font-size: 1rem;
    line-height: 1.55;
  }

  .article-body h3 {
    margin-top: 38px;
    font-size: clamp(1.45rem, 8vw, 2rem);
  }

  .article-body h4 {
    font-size: 1.08rem;
  }

  .featured-blog-card .button {
    width: 100%;
  }

  .newsletter-form .button {
    width: 100%;
  }

  .comparison-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
  }

  .comparison-title {
    min-height: 68px;
    padding: 12px 8px;
  }

  .comparison-title span,
  .comparison-card span {
    gap: 6px;
    font-size: 0.58rem;
    letter-spacing: 0.1em;
  }

  .comparison-title strong {
    font-size: 1.05rem;
  }

  .comparison-card {
    min-height: 0;
    gap: 8px;
    padding: 12px 10px;
  }

  .comparison-card span svg {
    width: 18px;
    height: 18px;
  }

  .comparison-card h3 {
    font-size: 0.95rem;
    line-height: 1.15;
  }

  .comparison-card p {
    font-size: 0.78rem;
    line-height: 1.38;
  }

  .comparison-close {
    padding: 18px 14px;
    font-size: 1rem;
    line-height: 1.25;
  }

  .specs div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}