:root {
  color-scheme: dark;
  --bg: #111513;
  --surface: #171c19;
  --surface-raised: #1c211e;
  --text: #f0ede4;
  --muted: #a7aaa3;
  --faint: #777d77;
  --border: #343a35;
  --border-strong: #4b524c;
  --accent: #92a49a;
  --accent-dark: #29362f;
  --soy: #6e9a64;
  --corn: #c4a44d;
  --wheat: #9a7653;
  --gold: #c9a227;
  --dxy: #34c759;
  --max-width: 1280px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section-space: clamp(5rem, 10vw, 9rem);
  --sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

button {
  color: inherit;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.lang-es {
  display: none !important;
}

html[data-language="es"] .lang-en {
  display: none !important;
}

html[data-language="es"] .lang-es {
  display: inline !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 0.75rem;
  left: 0.75rem;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.7rem 1rem;
  overflow: visible;
  clip: auto;
  clip-path: none;
  white-space: normal;
}

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
}

.section-shell {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 21, 19, 0.97);
}

.header-inner {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) auto auto;
  align-items: center;
  gap: 2rem;
  width: min(100%, var(--max-width));
  min-height: 5.25rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  width: fit-content;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--accent);
  color: var(--text);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.brand-text {
  font-size: 0.72rem;
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 1.4vw, 1.4rem);
}

.primary-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.71rem;
  letter-spacing: 0.045em;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  background: var(--text);
  content: "";
  transform-origin: left;
  transition: transform 160ms ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--text);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  transform: scaleX(1);
}

.language-control {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--faint);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.language-control button {
  min-width: 2rem;
  padding: 0.35rem 0.25rem;
  border: 0;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
}

.language-control button[aria-pressed="true"] {
  color: var(--text);
  font-weight: 700;
}

.menu-toggle {
  display: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(20rem, 0.65fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: end;
  min-height: min(780px, calc(100svh - 5.25rem));
  padding-top: clamp(5rem, 10vw, 8rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.eyebrow,
.section-label,
.panel-kicker,
.note-meta,
.status,
.evidence-label,
.pdf-status {
  font-size: 0.69rem;
  line-height: 1.35;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.8rem;
  color: var(--accent);
}

.eyebrow::before {
  width: 2.2rem;
  height: 1px;
  background: var(--accent);
  content: "";
}

.hero h1 {
  max-width: 13ch;
  margin-bottom: 2rem;
  font-family: var(--serif);
  font-size: clamp(3.35rem, 7.4vw, 7.3rem);
  font-weight: 400;
  line-height: 0.93;
  letter-spacing: -0.055em;
}

html[data-language="es"] .hero h1 {
  max-width: 16ch;
  font-size: clamp(2.9rem, 6.4vw, 6.3rem);
}

.hero-lede {
  max-width: 47rem;
  margin-bottom: 2.4rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border-strong);
  font-size: 0.75rem;
  line-height: 1.2;
  text-decoration: none;
}

.button-primary {
  border-color: var(--text);
  background: var(--text);
  color: var(--bg);
}

.button-primary:hover {
  background: transparent;
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-dark);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 0.75rem;
  line-height: 1.25;
  text-decoration: none;
}

.text-link:hover {
  border-color: var(--text);
}

.hero-index {
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
}

.index-heading {
  display: flex;
  justify-content: space-between;
  padding: 0.85rem 0;
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.index-number {
  color: var(--faint);
}

.hero-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-index li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: start;
  padding: 1.4rem 0;
  border-top: 1px solid var(--border);
}

.line-number,
.card-number {
  color: var(--faint);
  font-family: var(--serif);
  font-size: 0.8rem;
}

.hero-index strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
}

.hero-index li div > span {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
}

.index-dot {
  width: 0.45rem;
  height: 0.45rem;
  margin-top: 0.5rem;
  border-radius: 50%;
}

.agro-dot {
  background: var(--soy);
}

.gold-dot {
  border: 1px solid var(--gold);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px var(--dxy);
}

.hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

.hero-meta div {
  min-width: 0;
}

.hero-meta dt {
  margin-bottom: 0.2rem;
  color: var(--faint);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-meta dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
}

.rule-top {
  display: grid;
  grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 7rem);
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
  border-top: 1px solid var(--border);
}

.section-label {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  height: fit-content;
  color: var(--muted);
}

.section-label > span:first-child {
  color: var(--accent);
}

.editorial-copy {
  max-width: 58rem;
}

.editorial-copy h2,
.section-intro h2,
.profile-content h2,
.contact-content h2 {
  margin-bottom: 2rem;
  font-family: var(--serif);
  font-size: clamp(2.25rem, 4.6vw, 4.6rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.editorial-copy > p {
  max-width: 48rem;
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.65;
}

.editorial-copy .muted-copy {
  max-width: 43rem;
  margin-top: 1.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.research-section,
.dashboards-section,
.notes-section,
.samples-section,
.principles-section,
.capabilities-section {
  display: block;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 7rem);
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-intro h2 {
  max-width: 14ch;
  margin-bottom: 0.8rem;
}

.section-summary {
  max-width: 39rem;
  margin: 0;
  color: var(--muted);
}

.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.research-panel {
  position: relative;
  min-height: 36rem;
  overflow: hidden;
  padding: clamp(1.5rem, 3.5vw, 3rem);
  border: 1px solid var(--border);
  background: var(--surface);
}

.research-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
}

.research-panel-agro::before {
  background: var(--soy);
}

.research-panel-gold::before {
  background: var(--gold);
}

.panel-kicker {
  display: flex;
  gap: 0.8rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
  color: var(--muted);
}

.research-panel h3 {
  margin-bottom: 1.2rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  font-weight: 400;
  line-height: 1.05;
}

.research-panel > p {
  max-width: 40rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.42rem 0.65rem;
  border: 1px solid var(--border);
  color: #c1c5bf;
  font-size: 0.69rem;
  line-height: 1.25;
}

.crop-key,
.series-key {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  display: flex;
  gap: 0.35rem;
}

.crop-key i,
.series-key i {
  display: block;
  width: 1.4rem;
  height: 2px;
}

.crop-key i:nth-child(1) { background: var(--soy); }
.crop-key i:nth-child(2) { background: var(--corn); }
.crop-key i:nth-child(3) { background: var(--wheat); }
.series-key i:nth-child(1) { background: var(--gold); }
.series-key i:nth-child(2) { background: var(--dxy); }

.dashboard-list {
  border-top: 1px solid var(--border-strong);
}

.dashboard-card {
  display: grid;
  grid-template-columns: minmax(16rem, 0.9fr) minmax(13rem, 0.7fr) minmax(21rem, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  border-bottom: 1px solid var(--border);
}

.dashboard-title {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
}

.dashboard-title p {
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-size: 0.7rem;
}

.dashboard-title h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 400;
  line-height: 1.1;
}

.dashboard-agro .card-number {
  color: var(--soy);
}

.dashboard-gold .card-number {
  color: var(--gold);
}

.status {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0.03em;
}

.status > span:first-child {
  width: 0.45rem;
  height: 0.45rem;
  margin-top: 0.28rem;
  border: 1px solid var(--accent);
  border-radius: 50%;
}

.dashboard-card ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.76rem;
  list-style: none;
}

.dashboard-card li::before {
  margin-right: 0.5rem;
  color: var(--faint);
  content: "—";
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.note-card {
  display: flex;
  min-height: 31rem;
  flex-direction: column;
  padding: clamp(1.4rem, 2.7vw, 2.2rem);
  border: 1px solid var(--border);
  background: var(--surface);
}

.note-card::before {
  width: 2rem;
  height: 2px;
  margin-bottom: 1.5rem;
  background: var(--soy);
  content: "";
}

.note-card.note-gold::before {
  background: var(--gold);
}

.note-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(4rem, 7vw, 7rem);
  color: var(--faint);
}

.note-card h3 {
  margin-bottom: 1rem;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2.7vw, 2.55rem);
  font-weight: 400;
  line-height: 1.08;
}

.note-card > p {
  color: var(--muted);
  font-size: 0.88rem;
}

.note-footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.evidence-label {
  color: var(--accent);
}

.pdf-status {
  color: var(--faint);
  line-height: 1.55;
  letter-spacing: 0.035em;
  text-transform: none;
}

.samples-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sample-card {
  position: relative;
  display: flex;
  min-height: 31rem;
  flex-direction: column;
  padding: clamp(1.5rem, 3.5vw, 3rem);
  border: 1px solid var(--border-strong);
  background: transparent;
}

.sample-card::before {
  position: absolute;
  top: -1px;
  right: -1px;
  left: -1px;
  height: 3px;
  background: var(--soy);
  content: "";
}

.sample-kicker {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
  color: var(--faint);
  font-size: 0.69rem;
  line-height: 1.35;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.sample-card h3 {
  max-width: 15ch;
  margin-bottom: 1.2rem;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.3vw, 3.2rem);
  font-weight: 400;
  line-height: 1.06;
}

.sample-card > p {
  max-width: 38rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.sample-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: start;
  margin-top: auto;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}

.sample-meta > div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sample-status,
.sample-language {
  color: var(--accent);
  font-size: 0.65rem;
  line-height: 1.4;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.sample-meta time {
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.9rem;
}

.sample-language {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

.sample-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  min-height: 3.2rem;
  margin-top: 1.4rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--bg);
  font-size: 0.75rem;
  line-height: 1.2;
  text-decoration: none;
}

.sample-link:hover {
  background: transparent;
  color: var(--text);
}

.samples-clarification {
  max-width: 58rem;
  margin: 2rem 0 0 auto;
  padding: 1.25rem 0 0 1.5rem;
  border-left: 1px solid var(--accent);
  color: var(--muted);
  font-size: 0.88rem;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border-strong);
  list-style: none;
}

.principles-grid li {
  min-height: 10rem;
  padding: 1.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.principles-grid li:nth-child(3n) {
  border-right: 0;
}

.principles-grid li > span {
  display: block;
  margin-bottom: 2.3rem;
  color: var(--faint);
  font-family: var(--serif);
  font-size: 0.75rem;
}

.principles-grid strong {
  max-width: 16rem;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.25;
}

.method-clarification {
  max-width: 60rem;
  margin: 2rem 0 0 auto;
  padding: 1.5rem 0 0 3rem;
  border-left: 1px solid var(--accent);
  color: var(--muted);
  font-size: 0.9rem;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border-strong);
  list-style: none;
}

.capabilities-grid li {
  display: flex;
  min-height: 8.5rem;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: #c8cbc5;
  font-size: 0.8rem;
}

.capabilities-grid li:nth-child(5n) {
  border-right: 0;
}

.capabilities-grid li > span:first-child {
  color: var(--faint);
  font-family: var(--serif);
  font-size: 0.68rem;
}

.profile-section,
.contact-section {
  align-items: start;
}

.profile-content {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.profile-initials {
  display: grid;
  place-items: center;
  width: clamp(6rem, 11vw, 9rem);
  height: clamp(6rem, 11vw, 9rem);
  margin: 0;
  border: 1px solid var(--border-strong);
  color: var(--accent);
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
}

.profile-content h2 {
  margin-bottom: 1.5rem;
}

.profile-content div p {
  max-width: 46rem;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.contact-content {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
}

.contact-content h2 {
  margin: 0;
}

.contact-content p {
  margin: 0 0 0.5rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--accent);
  color: var(--muted);
}

.disclaimer-section {
  display: grid;
  grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 7rem);
  margin-top: 1rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
  padding-top: 2rem;
  padding-bottom: 2rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.disclaimer-section h2 {
  margin: 0;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.disclaimer-section p {
  max-width: 60rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.75;
}

.site-footer {
  border-top: 1px solid var(--border-strong);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 2rem;
  align-items: end;
  min-height: 10rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.footer-inner div {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.footer-inner strong {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
}

.footer-inner div span,
.footer-inner p,
.footer-inner a {
  color: var(--faint);
  font-size: 0.68rem;
}

.footer-inner p {
  margin: 0;
  text-align: center;
}

.footer-inner a {
  display: flex;
  gap: 0.5rem;
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--text);
}

@media (max-width: 1120px) {
  .header-inner {
    grid-template-columns: 1fr auto auto;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.5rem;
    border: 0;
    background: transparent;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    cursor: pointer;
  }

  .menu-icon {
    display: flex;
    width: 1.2rem;
    height: 0.8rem;
    flex-direction: column;
    justify-content: space-around;
  }

  .menu-icon i {
    display: block;
    width: 100%;
    height: 1px;
    background: currentColor;
    transition: transform 160ms ease;
  }

  .menu-toggle[aria-expanded="true"] .menu-icon i:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] .menu-icon i:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    padding: 1rem var(--gutter) 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
  }

  .primary-nav[data-open="true"] {
    display: grid;
  }

  .primary-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.78rem;
  }

  .primary-nav a:nth-child(odd) {
    margin-right: 1.5rem;
  }

  .dashboard-card {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .sample-card {
    min-height: 27rem;
  }

  .note-card:last-child {
    grid-column: 1 / -1;
    min-height: 24rem;
  }

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

  .capabilities-grid li:nth-child(5n) {
    border-right: 1px solid var(--border);
  }

  .capabilities-grid li:nth-child(3n) {
    border-right: 0;
  }
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .hero h1 {
    font-size: clamp(3.35rem, 12vw, 5.8rem);
  }

  html[data-language="es"] .hero h1 {
    font-size: clamp(2.9rem, 10vw, 5rem);
  }

  .rule-top,
  .section-intro,
  .disclaimer-section {
    grid-template-columns: 1fr;
  }

  .section-intro {
    gap: 2rem;
  }

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

  .research-panel {
    min-height: 32rem;
  }

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

  .principles-grid li:nth-child(3n) {
    border-right: 1px solid var(--border);
  }

  .principles-grid li:nth-child(2n) {
    border-right: 0;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .disclaimer-section {
    width: auto;
    margin-right: var(--gutter);
    margin-left: var(--gutter);
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
  }

  .footer-inner p {
    display: none;
  }
}

@media (max-width: 600px) {
  :root {
    --section-space: 4.75rem;
  }

  .header-inner {
    grid-template-columns: 1fr auto auto;
    gap: 0.45rem;
    min-height: 4.75rem;
  }

  .brand-mark {
    width: 2rem;
    height: 2rem;
  }

  .brand-text {
    display: none;
  }

  .menu-toggle {
    gap: 0.4rem;
  }

  .primary-nav {
    grid-template-columns: 1fr;
  }

  .primary-nav a:nth-child(odd) {
    margin-right: 0;
  }

  .hero {
    gap: 4rem;
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }

  .hero h1,
  html[data-language="es"] .hero h1 {
    font-size: clamp(2.85rem, 14vw, 4.1rem);
    line-height: 0.97;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
    text-align: center;
  }

  .hero-actions .text-link {
    margin-top: 0.4rem;
  }

  .editorial-copy h2,
  .section-intro h2,
  .profile-content h2,
  .contact-content h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .research-panel {
    min-height: 0;
    padding-bottom: 5rem;
  }

  .panel-kicker {
    margin-bottom: 4rem;
  }

  .dashboard-card {
    grid-template-columns: 1fr;
  }

  .dashboard-card ul {
    grid-template-columns: 1fr;
  }

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

  .note-card,
  .note-card:last-child {
    grid-column: auto;
    min-height: 28rem;
  }

  .sample-card {
    min-height: 0;
  }

  .sample-kicker {
    margin-bottom: 4rem;
  }

  .sample-meta {
    grid-template-columns: 1fr;
  }

  .sample-language {
    width: fit-content;
    white-space: normal;
  }

  .principles-grid,
  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .principles-grid li,
  .principles-grid li:nth-child(2n),
  .principles-grid li:nth-child(3n),
  .capabilities-grid li,
  .capabilities-grid li:nth-child(3n),
  .capabilities-grid li:nth-child(5n) {
    min-height: 7.5rem;
    border-right: 0;
  }

  .principles-grid li > span {
    margin-bottom: 1.5rem;
  }

  .method-clarification {
    padding-left: 1.2rem;
  }

  .profile-content {
    grid-template-columns: 1fr;
  }

  .profile-initials {
    width: 5rem;
    height: 5rem;
    font-size: 1rem;
  }

  .contact-content p {
    padding-left: 1rem;
  }

  .disclaimer-section {
    padding: 1.5rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}