/* Synthia — snth.css — main stylesheet
   Palette: deep navy #0D1F2D, teal #00B5A3, warm cream #F7F5F2
   Fonts: DM Serif Display (headings), IBM Plex Sans (body), IBM Plex Mono (data)
*/

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.75;
  color: #2C3E4F;
  background: #F7F5F2;
}

img, video { max-width: 100%; height: auto; display: block; }

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

ul, ol { list-style: none; }

button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ===================== CSS CUSTOM PROPERTIES ===================== */
:root {
  --dark-navy:    #0D1F2D;
  --dark-navy-2:  #162C3E;
  --teal:         #00B5A3;
  --teal-muted:   #007F72;
  --teal-light:   #D6F5F2;
  --warm-white:   #F7F5F2;
  --warm-grey:    #EAE7E2;
  --mid-grey:     #8C9BAA;
  --body-text:    #2C3E4F;
  --muted-text:   #5A7080;
  --light-text:   #F7F5F2;
  --light-muted:  #B8CDD8;
  --white:        #FFFFFF;
  --error-red:    #C94040;
  --success-green:#26855A;
  --amber-warn:   #D4850F;

  --container-max: 1200px;
  --section-py: clamp(4rem, 8vw, 7rem);
  --section-px: clamp(1.25rem, 5vw, 2.5rem);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.2s ease;
}

/* ===================== TYPOGRAPHY ===================== */
h1, h2, h3, h4 {
  font-family: 'DM Serif Display', Georgia, serif;
  line-height: 1.2;
  font-weight: 400;
}

h1 { font-size: clamp(2.4rem, 4.5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-family: 'IBM Plex Sans', system-ui, sans-serif; font-size: 1.2rem; font-weight: 600; }
h4 { font-family: 'IBM Plex Sans', system-ui, sans-serif; font-size: 1rem; font-weight: 600; }

.snth-label {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.snth-mono {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 1.05rem;
  font-weight: 500;
}

/* ===================== CONTAINER ===================== */
.snth-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--section-px);
}

/* ===================== NAVIGATION ===================== */
.snth-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

/* dark-top pages: nav starts transparent */
body.snth-page--dark-top .snth-nav {
  background: transparent;
}
body.snth-page--dark-top .snth-nav.snth-nav--scrolled {
  background: var(--dark-navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: 0.75rem 0;
}

/* light-top pages: nav starts white */
body.snth-page--light-top .snth-nav {
  background: var(--white);
  box-shadow: 0 1px 4px rgba(13,31,45,0.08);
}

.snth-nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--section-px);
}

.snth-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  line-height: 1;
}

.snth-nav__logo img {
  height: 32px;
  width: auto;
}

.snth-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.snth-nav__link {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

/* Dark-top nav link colors */
body.snth-page--dark-top .snth-nav .snth-nav__link {
  color: var(--light-text);
}
body.snth-page--dark-top .snth-nav .snth-nav__link:hover {
  color: var(--teal);
  background: rgba(255,255,255,0.06);
}
body.snth-page--dark-top .snth-nav.snth-nav--scrolled .snth-nav__link {
  color: var(--light-text);
}
body.snth-page--dark-top .snth-nav.snth-nav--scrolled .snth-nav__link:hover {
  color: var(--teal);
}

/* Light-top nav link colors */
body.snth-page--light-top .snth-nav .snth-nav__link {
  color: var(--dark-navy);
}
body.snth-page--light-top .snth-nav .snth-nav__link:hover {
  color: var(--teal-muted);
  background: rgba(0,181,163,0.06);
}

/* Dropdown */
.snth-nav__dropdown {
  position: relative;
}

.snth-nav__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  background: none;
  border: none;
  cursor: pointer;
}

body.snth-page--dark-top .snth-nav .snth-nav__dropdown-toggle {
  color: var(--light-text);
}
body.snth-page--dark-top .snth-nav .snth-nav__dropdown-toggle:hover {
  color: var(--teal);
  background: rgba(255,255,255,0.06);
}
body.snth-page--light-top .snth-nav .snth-nav__dropdown-toggle {
  color: var(--dark-navy);
}
body.snth-page--light-top .snth-nav .snth-nav__dropdown-toggle:hover {
  color: var(--teal-muted);
  background: rgba(0,181,163,0.06);
}

.snth-nav__dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(13,31,45,0.12);
  min-width: 180px;
  padding: 0.5rem;
  z-index: 100;
}

.snth-nav__dropdown-menu.snth-nav__dropdown-menu--open {
  display: block;
}

.snth-nav__dropdown-menu a {
  display: block;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--dark-navy);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.snth-nav__dropdown-menu a:hover {
  background: var(--teal-light);
  color: var(--teal-muted);
}

/* CTA buttons in nav */
.snth-nav__cta-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 0.75rem;
}

/* Hamburger */
.snth-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  margin-left: auto;
}
.snth-nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
body.snth-page--dark-top .snth-nav .snth-nav__hamburger span {
  background: var(--light-text);
}
body.snth-page--light-top .snth-nav .snth-nav__hamburger span {
  background: var(--dark-navy);
}
body.snth-page--dark-top .snth-nav.snth-nav--scrolled .snth-nav__hamburger span {
  background: var(--light-text);
}

/* Mobile menu */
.snth-nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--dark-navy);
  padding: 1rem var(--section-px);
}
.snth-nav__mobile.snth-nav__mobile--open {
  display: flex;
}
.snth-nav__mobile a,
.snth-nav__mobile button {
  color: var(--light-text);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  text-align: left;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  width: 100%;
}
.snth-nav__mobile a:last-child,
.snth-nav__mobile button:last-child { border-bottom: none; }

/* ===================== BUTTONS ===================== */
.snth-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  line-height: 1.4;
}

.snth-btn--primary {
  background: var(--teal);
  color: var(--dark-navy);
  border-color: var(--teal);
}
.snth-btn--primary:hover {
  background: var(--teal-muted);
  border-color: var(--teal-muted);
  color: var(--white);
}

.snth-btn--outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.snth-btn--outline:hover {
  background: var(--teal);
  color: var(--dark-navy);
}

.snth-btn--ghost-dark {
  background: transparent;
  color: var(--light-text);
  border-color: rgba(247,245,242,0.4);
}
.snth-btn--ghost-dark:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--light-text);
  color: var(--light-text);
}

.snth-btn--ghost-light {
  background: transparent;
  color: var(--dark-navy);
  border-color: rgba(13,31,45,0.3);
}
.snth-btn--ghost-light:hover {
  background: var(--warm-grey);
  border-color: var(--dark-navy);
}

.snth-btn--sm {
  font-size: 0.8rem;
  padding: 0.45rem 1rem;
}

/* ===================== SECTIONS ===================== */
.snth-section {
  padding: var(--section-py) 0;
}

.snth-section--dark {
  background: var(--dark-navy);
  color: var(--light-text);
}
.snth-section--dark-alt {
  background: var(--dark-navy-2);
  color: var(--light-text);
}
.snth-section--light {
  background: var(--warm-white);
  color: var(--body-text);
}
.snth-section--white {
  background: var(--white);
  color: var(--body-text);
}
.snth-section--cream {
  background: var(--warm-grey);
  color: var(--body-text);
}

/* ===================== HERO ===================== */
.snth-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 100px;
  padding-bottom: 80px;
}

.snth-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.snth-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.snth-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,31,45,0.88) 0%, rgba(13,31,45,0.72) 50%, rgba(22,44,62,0.65) 100%);
}

.snth-hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--section-px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.snth-hero__text { }

.snth-hero__label {
  color: var(--teal);
  margin-bottom: 1.25rem;
}

.snth-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-style: italic;
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  line-height: 1.1;
  color: var(--light-text);
  margin-bottom: 1.5rem;
}

.snth-hero__subhead {
  font-size: 1.1rem;
  color: var(--light-muted);
  margin-bottom: 2.5rem;
  max-width: 480px;
  line-height: 1.7;
}

.snth-hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Score panel mock */
.snth-score-panel {
  background: rgba(13,31,45,0.85);
  border: 1px solid rgba(0,181,163,0.3);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
}

.snth-score-panel__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(0,181,163,0.2);
}

.snth-score-panel__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.snth-score-panel__dot--green { background: #26855A; }
.snth-score-panel__dot--amber { background: var(--amber-warn); }
.snth-score-panel__dot--teal  { background: var(--teal); }

.snth-score-panel__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.snth-score-panel__rows {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.snth-score-panel__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
}

.snth-score-panel__key {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--light-muted);
}

.snth-score-panel__value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--teal);
}

.snth-score-panel__value--positive { color: var(--teal); }
.snth-score-panel__value--equivocal { color: var(--amber-warn); }
.snth-score-panel__value--negative { color: var(--mid-grey); }
.snth-score-panel__value--high { color: #26855A; }

.snth-score-panel__separator {
  height: 1px;
  background: rgba(0,181,163,0.15);
  margin: 0.25rem 0;
}

.snth-score-panel__footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0,181,163,0.2);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--mid-grey);
  text-align: right;
}

/* ===================== TRUST STRIP ===================== */
.snth-trust-strip {
  background: var(--dark-navy-2);
  padding: 3.5rem 0;
  border-top: 1px solid rgba(0,181,163,0.15);
  border-bottom: 1px solid rgba(0,181,163,0.15);
}

.snth-trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--section-px);
  text-align: center;
}

.snth-trust-strip__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.snth-trust-strip__value {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: var(--teal);
  line-height: 1;
}

.snth-trust-strip__unit {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--light-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.snth-trust-strip__detail {
  font-size: 0.8rem;
  color: var(--light-muted);
}

/* ===================== SECTION HEADINGS ===================== */
.snth-section__label {
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.snth-section--dark .snth-section__label,
.snth-section--dark-alt .snth-section__label {
  color: var(--teal);
}
.snth-section--light .snth-section__label,
.snth-section--white .snth-section__label,
.snth-section--cream .snth-section__label {
  color: var(--teal-muted);
}

.snth-section--dark .snth-section__heading,
.snth-section--dark-alt .snth-section__heading {
  color: var(--light-text);
}
.snth-section--light .snth-section__heading,
.snth-section--white .snth-section__heading,
.snth-section--cream .snth-section__heading {
  color: var(--dark-navy);
}

.snth-section--dark .snth-section__subhead,
.snth-section--dark-alt .snth-section__subhead {
  color: var(--light-muted);
}
.snth-section--light .snth-section__subhead,
.snth-section--white .snth-section__subhead,
.snth-section--cream .snth-section__subhead {
  color: var(--muted-text);
}

.snth-section__header {
  max-width: 700px;
  margin-bottom: 3.5rem;
}

.snth-section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ===================== 2-COLUMN LAYOUT ===================== */
.snth-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.snth-two-col--60-40 {
  grid-template-columns: 1.4fr 1fr;
}

/* ===================== PROBLEM SECTION ===================== */
.snth-workflow-diagram {
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  padding: 2rem;
}

/* ===================== STEPS ===================== */
.snth-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.snth-step {
  position: relative;
}

.snth-step__num {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 3.5rem;
  color: var(--teal-light);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.snth-section--dark .snth-step__num,
.snth-section--dark-alt .snth-step__num {
  color: rgba(0,181,163,0.2);
}

.snth-section--light .snth-step__num,
.snth-section--white .snth-step__num {
  color: rgba(0,181,163,0.15);
}

.snth-step__title {
  color: var(--dark-navy);
  margin-bottom: 0.65rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.snth-section--dark .snth-step__title,
.snth-section--dark-alt .snth-step__title {
  color: var(--light-text);
}

.snth-step__body {
  font-size: 0.95rem;
  color: var(--muted-text);
  line-height: 1.7;
}

.snth-section--dark .snth-step__body,
.snth-section--dark-alt .snth-step__body {
  color: var(--light-muted);
}

/* ===================== BIOMARKER CARDS ===================== */
.snth-biomarker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.snth-biomarker-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,181,163,0.2);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
  display: block;
  color: inherit;
}

.snth-biomarker-card:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  color: inherit;
}

.snth-biomarker-card__tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.snth-biomarker-card__marker {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2.2rem;
  color: var(--light-text);
  margin-bottom: 0.4rem;
}

.snth-biomarker-card__score {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

.snth-biomarker-card__use {
  font-size: 0.875rem;
  color: var(--light-muted);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.snth-biomarker-card__differentiator {
  font-size: 0.82rem;
  color: var(--mid-grey);
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0,181,163,0.15);
}

.snth-biomarker-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
}
.snth-biomarker-card__link:hover { color: #00d4bf; }

/* ===================== VALIDATION PREVIEW ===================== */
.snth-stat-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.snth-stat-box {
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.snth-stat-box__value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--teal-muted);
  display: block;
  margin-bottom: 0.35rem;
}

.snth-stat-box__label {
  font-size: 0.85rem;
  color: var(--muted-text);
  font-weight: 500;
}

/* ===================== INTEGRATION BADGES ===================== */
.snth-format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.snth-format-badge {
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.snth-format-badge:hover {
  border-color: var(--teal);
  box-shadow: 0 4px 16px rgba(0,181,163,0.1);
}

.snth-format-badge__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.snth-format-badge__name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark-navy);
  margin-bottom: 0.25rem;
}

.snth-format-badge__vendor {
  font-size: 0.75rem;
  color: var(--muted-text);
}

/* ===================== CTA BAND ===================== */
.snth-cta-band {
  background: var(--dark-navy);
  padding: 5rem 0;
  text-align: center;
}

.snth-cta-band__heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-style: italic;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: var(--light-text);
  margin-bottom: 1rem;
}

.snth-cta-band__subhead {
  font-size: 1.05rem;
  color: var(--light-muted);
  margin-bottom: 2.5rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ===================== FOOTER ===================== */
.snth-footer {
  background: var(--dark-navy);
  color: var(--light-text);
  padding: 4.5rem 0 0;
}

.snth-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--section-px);
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.snth-footer__brand-logo {
  margin-bottom: 1.25rem;
}
.snth-footer__brand-logo img { height: 28px; width: auto; }

.snth-footer__tagline {
  font-size: 0.95rem;
  color: var(--light-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.snth-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--light-muted);
}
.snth-footer__contact a {
  color: var(--light-muted);
  transition: color var(--transition);
}
.snth-footer__contact a:hover { color: var(--teal); }

.snth-footer__col-heading {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid-grey);
  margin-bottom: 1.25rem;
}

.snth-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.snth-footer__nav a {
  font-size: 0.875rem;
  color: var(--light-muted);
  transition: color var(--transition);
}
.snth-footer__nav a:hover { color: var(--teal); }

.snth-footer__bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.25rem var(--section-px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--mid-grey);
}

.snth-footer__bottom-links {
  display: flex;
  gap: 1.5rem;
}
.snth-footer__bottom-links a {
  color: var(--mid-grey);
  transition: color var(--transition);
}
.snth-footer__bottom-links a:hover { color: var(--teal); }

/* ===================== SUB-PAGE HERO ===================== */
.snth-subhero {
  background: var(--dark-navy);
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.snth-subhero__bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.snth-subhero__bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}
.snth-subhero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(13,31,45,0.8) 0%, rgba(13,31,45,0.6) 100%);
}

.snth-subhero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--section-px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.snth-subhero__text { }

.snth-subhero__label {
  color: var(--teal);
  margin-bottom: 1rem;
}

.snth-subhero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-style: italic;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--light-text);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.snth-subhero__subhead {
  font-size: 1rem;
  color: var(--light-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* Sub-hero ornament */
.snth-subhero__ornament {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-end;
}

/* Light sub-page hero variant */
.snth-subhero--light {
  background: var(--warm-white);
  padding: 8rem 0 5rem;
}

.snth-subhero--light .snth-subhero__inner {
  grid-template-columns: 1fr;
}

.snth-subhero--light .snth-subhero__h1 {
  color: var(--dark-navy);
  font-style: italic;
}

.snth-subhero--light .snth-subhero__label {
  color: var(--teal-muted);
}

.snth-subhero--light .snth-subhero__subhead {
  color: var(--muted-text);
}

/* ===================== DATA TABLES ===================== */
.snth-validation-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.snth-validation-table th {
  background: var(--dark-navy);
  color: var(--light-text);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.9rem 1.1rem;
  text-align: left;
}

.snth-validation-table td {
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--warm-grey);
  color: var(--body-text);
}

.snth-validation-table tr:last-child td { border-bottom: none; }

.snth-validation-table tr:nth-child(even) td { background: var(--warm-white); }

.snth-validation-table .snth-mono { color: var(--teal-muted); }

body.snth-page--dark-top .snth-validation-table td { color: var(--body-text); }

.snth-table-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--warm-grey);
  margin-bottom: 2.5rem;
}

.snth-table-header {
  padding: 1.25rem 1.5rem;
  background: var(--warm-white);
  border-bottom: 1px solid var(--warm-grey);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.snth-table-header__marker {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.4rem;
  color: var(--dark-navy);
}

.snth-table-header__subtitle {
  font-size: 0.8rem;
  color: var(--muted-text);
}

/* ===================== HER2 SCORING TABLE ===================== */
.snth-scoring-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.snth-scoring-table th {
  background: var(--dark-navy);
  color: var(--light-text);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.85rem 1rem;
  text-align: left;
}
.snth-scoring-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--warm-grey);
  vertical-align: top;
  color: var(--body-text);
}
.snth-scoring-table tr:last-child td { border-bottom: none; }

.snth-score-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 1.1rem;
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: var(--teal-light);
  color: var(--teal-muted);
}
.snth-score-badge--negative { background: var(--warm-grey); color: var(--muted-text); }
.snth-score-badge--equivocal { background: rgba(212,133,15,0.12); color: var(--amber-warn); }
.snth-score-badge--positive { background: var(--teal-light); color: var(--teal-muted); }

/* ===================== PUBLICATIONS ===================== */
.snth-pub-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.snth-pub-item {
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--teal);
}

.snth-pub-item__type {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-muted);
  margin-bottom: 0.5rem;
}

.snth-pub-item__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.15rem;
  color: var(--dark-navy);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.snth-pub-item__authors {
  font-size: 0.85rem;
  color: var(--muted-text);
  margin-bottom: 0.35rem;
}

.snth-pub-item__venue {
  font-size: 0.85rem;
  color: var(--body-text);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.snth-pub-item__link {
  font-size: 0.82rem;
  color: var(--teal-muted);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.snth-pub-item__link:hover { color: var(--teal); }

/* ===================== TEAM ===================== */
.snth-team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.snth-team-card {
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.snth-team-card:hover {
  box-shadow: 0 8px 32px rgba(13,31,45,0.1);
  transform: translateY(-2px);
}

.snth-team-card__portrait {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  object-position: top;
  display: block;
}

.snth-team-card__info {
  padding: 1.25rem;
}

.snth-team-card__name {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.1rem;
  color: var(--dark-navy);
  margin-bottom: 0.2rem;
}

.snth-team-card__title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.snth-team-card__bio {
  font-size: 0.85rem;
  color: var(--muted-text);
  line-height: 1.6;
}

/* ===================== BLOG ===================== */
.snth-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.snth-blog-card {
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  color: inherit;
}

.snth-blog-card:hover {
  box-shadow: 0 8px 32px rgba(13,31,45,0.1);
  transform: translateY(-2px);
  color: inherit;
}

.snth-blog-card__cover {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
}

.snth-blog-card__content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.snth-blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.snth-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: var(--teal-light);
  color: var(--teal-muted);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
}

.snth-blog-card__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.05rem;
  color: var(--dark-navy);
  line-height: 1.35;
  margin-bottom: 0.65rem;
}

.snth-blog-card__excerpt {
  font-size: 0.855rem;
  color: var(--muted-text);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1rem;
}

.snth-blog-card__meta {
  font-size: 0.78rem;
  color: var(--mid-grey);
  display: flex;
  gap: 0.75rem;
  align-items: center;
  border-top: 1px solid var(--warm-grey);
  padding-top: 0.75rem;
  margin-top: auto;
}

/* ===================== ARTICLE PAGE ===================== */
.snth-article-hero {
  padding: 7rem 0 3.5rem;
  background: var(--warm-white);
}

.snth-article-hero__inner {
  max-width: 800px;
  margin: 0 auto;
  padding-inline: var(--section-px);
}

.snth-article-hero__tags { margin-bottom: 1.25rem; }

.snth-article-hero__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--dark-navy);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.snth-article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted-text);
}

.snth-article-hero__cover {
  width: 100%;
  max-width: 800px;
  margin: 2.5rem auto 0;
  padding-inline: var(--section-px);
}

.snth-article-hero__cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.snth-article-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3.5rem var(--section-px);
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
}

.snth-article-body {
  max-width: 720px;
}

.snth-article-body h2 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.6rem;
  color: var(--dark-navy);
  margin-top: 2.5rem;
  margin-bottom: 0.85rem;
}

.snth-article-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--dark-navy);
  margin-top: 2rem;
  margin-bottom: 0.65rem;
}

.snth-article-body p {
  margin-bottom: 1.25rem;
  line-height: 1.8;
  color: var(--body-text);
}

.snth-article-body ul, .snth-article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  list-style: disc;
}

.snth-article-body li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
  color: var(--body-text);
}

.snth-article-body blockquote {
  border-left: 3px solid var(--teal);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--muted-text);
}

.snth-article-body code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.88em;
  background: var(--warm-grey);
  color: var(--dark-navy);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.snth-article-body pre {
  background: var(--dark-navy);
  color: var(--light-text);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 1.5rem;
}
.snth-article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: 0.88rem;
}

.snth-article-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.snth-article-sidebar {
  position: sticky;
  top: 100px;
}

.snth-article-sidebar__heading {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mid-grey);
  margin-bottom: 1.25rem;
}

.snth-related-card {
  padding: 1rem;
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  background: var(--white);
  display: block;
  color: inherit;
  transition: border-color var(--transition);
}
.snth-related-card:hover { border-color: var(--teal); color: inherit; }
.snth-related-card__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark-navy);
  line-height: 1.4;
  margin-bottom: 0.3rem;
}
.snth-related-card__date { font-size: 0.75rem; color: var(--mid-grey); }

/* ===================== CONTACT ===================== */
.snth-contact-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: start;
}

.snth-form { display: flex; flex-direction: column; gap: 1.25rem; }

.snth-field { display: flex; flex-direction: column; gap: 0.4rem; }

.snth-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dark-navy);
}

.snth-input,
.snth-select,
.snth-textarea {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--dark-navy);
  background: var(--white);
  border: 1.5px solid var(--warm-grey);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  transition: border-color var(--transition);
  width: 100%;
}

.snth-input:focus,
.snth-select:focus,
.snth-textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,181,163,0.12);
}

.snth-textarea { min-height: 120px; resize: vertical; }

.snth-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--muted-text);
}
.snth-checkbox-row input[type="checkbox"] { margin-top: 3px; accent-color: var(--teal); }

.snth-contact-info {
  background: var(--dark-navy);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  color: var(--light-text);
}

.snth-contact-info__heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.5rem;
  color: var(--light-text);
  margin-bottom: 1.75rem;
}

.snth-contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.snth-contact-detail__icon {
  color: var(--teal);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.snth-contact-detail__text {
  font-size: 0.9rem;
  color: var(--light-muted);
  line-height: 1.6;
}

.snth-contact-detail__text a {
  color: var(--light-muted);
  transition: color var(--transition);
}
.snth-contact-detail__text a:hover { color: var(--teal); }

/* ===================== AUTH PAGES ===================== */
.snth-auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.snth-auth-side {
  background: var(--dark-navy);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  position: relative;
  overflow: hidden;
}

.snth-auth-side__logo { margin-bottom: 3rem; }
.snth-auth-side__logo img { height: 30px; }

.snth-auth-side__heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-style: italic;
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  color: var(--light-text);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.snth-auth-side__subhead {
  color: var(--light-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.snth-auth-side__ornament {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  opacity: 0.06;
}

.snth-auth-panel {
  background: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
}

.snth-auth-panel__heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.8rem;
  color: var(--dark-navy);
  margin-bottom: 0.5rem;
}

.snth-auth-panel__subtext {
  font-size: 0.88rem;
  color: var(--muted-text);
  margin-bottom: 2.5rem;
}

.snth-auth-panel__form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  max-width: 380px;
}

.snth-auth-panel__footer {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted-text);
}
.snth-auth-panel__footer a {
  color: var(--teal-muted);
  font-weight: 500;
}
.snth-auth-panel__footer a:hover { color: var(--teal); }

.snth-auth-demo-notice {
  display: none;
  background: var(--teal-light);
  border: 1px solid var(--teal);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--teal-muted);
}
.snth-auth-demo-notice.snth-auth-demo-notice--visible { display: block; }

/* ===================== LEGAL PAGES ===================== */
body.snth-page--light-top .snth-legal-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 7rem var(--section-px) 5rem;
}

body.snth-page--light-top .snth-legal-content .legal-article { }

body.snth-page--light-top .snth-legal-content .legal-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--warm-grey);
}

body.snth-page--light-top .snth-legal-content .legal-header h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--dark-navy);
  margin-bottom: 0.5rem;
}

body.snth-page--light-top .snth-legal-content .legal-meta {
  font-size: 0.85rem;
  color: var(--muted-text);
}

body.snth-page--light-top .snth-legal-content section {
  margin-bottom: 2rem;
}

body.snth-page--light-top .snth-legal-content h2 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.4rem;
  color: var(--dark-navy);
  margin-bottom: 0.85rem;
  margin-top: 0.25rem;
}

body.snth-page--light-top .snth-legal-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-navy);
  margin-bottom: 0.5rem;
  margin-top: 1.25rem;
}

body.snth-page--light-top .snth-legal-content p {
  margin-bottom: 0.85rem;
  color: var(--body-text);
  line-height: 1.75;
}

body.snth-page--light-top .snth-legal-content ul,
body.snth-page--light-top .snth-legal-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  list-style: disc;
}

body.snth-page--light-top .snth-legal-content li {
  margin-bottom: 0.4rem;
  color: var(--body-text);
  line-height: 1.7;
}

body.snth-page--light-top .snth-legal-content address {
  font-style: normal;
  color: var(--body-text);
  line-height: 1.8;
}

body.snth-page--light-top .snth-legal-content a {
  color: var(--teal-muted);
}
body.snth-page--light-top .snth-legal-content a:hover { color: var(--teal); }

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.legal-table th {
  background: var(--dark-navy);
  color: var(--light-text);
  padding: 0.7rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
}
.legal-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--warm-grey);
  color: var(--body-text);
}

/* ===================== SCIENCE PAGE ===================== */
.snth-arch-diagram {
  background: var(--dark-navy);
  border-radius: var(--radius-md);
  padding: 2rem;
  overflow: hidden;
}

.snth-pipeline {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  row-gap: 1rem;
}

.snth-pipeline-step {
  display: flex;
  align-items: center;
  gap: 0;
}

.snth-pipeline-node {
  background: var(--dark-navy-2);
  border: 1px solid rgba(0,181,163,0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  text-align: center;
}

.snth-pipeline-node__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.snth-pipeline-node__sub {
  font-size: 0.68rem;
  color: var(--light-muted);
}

.snth-pipeline-arrow {
  color: var(--teal);
  padding: 0 0.4rem;
  font-size: 1.1rem;
}

.snth-dataset-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.snth-dataset-table th {
  background: var(--warm-grey);
  color: var(--dark-navy);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 1.1rem;
  text-align: left;
}
.snth-dataset-table td {
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--warm-grey);
  color: var(--body-text);
}
.snth-dataset-table tr:last-child td { border-bottom: none; }

/* ===================== ABOUT PAGE ===================== */
.snth-mission-block {
  background: var(--dark-navy-2);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 2.5rem 3rem;
  max-width: 820px;
  margin: 0 auto;
}

.snth-mission-quote {
  font-family: 'DM Serif Display', Georgia, serif;
  font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: var(--light-text);
  line-height: 1.5;
}

/* ===================== INTEGRATIONS ===================== */
.snth-integration-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.snth-integration-card {
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.snth-integration-card:hover {
  border-color: var(--teal);
  box-shadow: 0 4px 20px rgba(0,181,163,0.08);
}

.snth-integration-card__icon {
  font-size: 2rem;
  margin-bottom: 0.85rem;
  color: var(--teal-muted);
}

.snth-integration-card__name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark-navy);
  margin-bottom: 0.4rem;
}

.snth-integration-card__desc {
  font-size: 0.85rem;
  color: var(--muted-text);
  line-height: 1.6;
}

/* ===================== COOKIE BANNER ===================== */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--dark-navy);
  border-top: 1px solid rgba(0,181,163,0.25);
}

.cookie-banner__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem var(--section-px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cookie-banner__text {
  font-size: 0.875rem;
  color: var(--light-muted);
  flex: 1;
}
.cookie-banner__text a {
  color: var(--teal);
}

.cookie-banner__actions { flex-shrink: 0; }

.cookie-banner__btn {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  background: var(--teal);
  color: var(--dark-navy);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.cookie-banner__btn:hover { background: #00c5b2; }

/* ===================== FADE-IN ANIMATION ===================== */
.snth-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.snth-fade-in--visible {
  opacity: 1;
  transform: none;
}

/* ===================== DISCLAIMER BAND ===================== */
.snth-disclaimer {
  background: var(--warm-grey);
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--muted-text);
  text-align: center;
}

/* ===================== REGULATORY PAGE ===================== */
.snth-regulatory-block {
  background: var(--white);
  border: 1px solid var(--warm-grey);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.snth-regulatory-block__icon {
  font-size: 2rem;
  color: var(--teal-muted);
  margin-bottom: 1rem;
}

.snth-regulatory-block__heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.3rem;
  color: var(--dark-navy);
  margin-bottom: 0.85rem;
}

.snth-regulatory-block p {
  color: var(--body-text);
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

.snth-regulatory-notice {
  background: rgba(212,133,15,0.08);
  border: 1px solid rgba(212,133,15,0.3);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-top: 2rem;
}

.snth-regulatory-notice__title {
  font-weight: 600;
  color: var(--amber-warn);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.snth-regulatory-notice p {
  font-size: 0.875rem;
  color: var(--body-text);
  margin: 0;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .snth-team-grid { grid-template-columns: repeat(2, 1fr); }
  .snth-blog-grid { grid-template-columns: repeat(2, 1fr); }
  .snth-hero__content { grid-template-columns: 1fr; gap: 2.5rem; }
  .snth-score-panel { max-width: 480px; }
}

@media (max-width: 768px) {
  .snth-nav__links,
  .snth-nav__cta-group { display: none; }
  .snth-nav__hamburger { display: flex; }
  .snth-steps { grid-template-columns: 1fr; }
  .snth-biomarker-grid { grid-template-columns: 1fr; }
  .snth-trust-strip__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .snth-two-col { grid-template-columns: 1fr; gap: 2.5rem; }
  .snth-two-col--60-40 { grid-template-columns: 1fr; }
  .snth-stat-pair { grid-template-columns: 1fr; }
  .snth-team-grid { grid-template-columns: repeat(2, 1fr); }
  .snth-blog-grid { grid-template-columns: 1fr; }
  .snth-contact-layout { grid-template-columns: 1fr; }
  .snth-auth-page { grid-template-columns: 1fr; }
  .snth-auth-side { display: none; }
  .snth-auth-panel { padding: 2.5rem 1.5rem; }
  .snth-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .snth-article-layout { grid-template-columns: 1fr; }
  .snth-article-sidebar { display: none; }
  .snth-subhero__inner { grid-template-columns: 1fr; }
  .snth-subhero__ornament { display: none; }
  .snth-integration-cards { grid-template-columns: 1fr 1fr; }
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .snth-team-grid { grid-template-columns: 1fr; }
  .snth-integration-cards { grid-template-columns: 1fr; }
  .snth-format-grid { grid-template-columns: 1fr 1fr; }
}