/* ── TOKENS ────────────────────────────────────────────── */
:root {
  --g:        #155858;
  --g-dark:   #0f4040;
  --g-mid:    #1f6b68;
  --g-light:  #78a79f;
  --g-pale:   #e5f1ee;
  --g-xpale:  #f3f8f6;
  --cream:    #faf8f4;
  --white:    #ffffff;
  --ink:      #111714;
  --ink-70:   rgba(17,23,20,.70);
  --ink-60:   rgba(17,23,20,.60);
  --ink-35:   rgba(17,23,20,.35);
  --gold:     #c8a96e;
  --gold-lt:  #f0e4cc;
  --r:        8px;
  --r-lg:     16px;
  --r-xl:     24px;
  --ease:     cubic-bezier(.25,.46,.45,.94);
  --max:      1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--ink);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
svg { display: block; }

p {
  line-height: 1.72;
}

/* ── NAV ────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: var(--g);
  height: 58px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 20px rgba(0,0,0,.18);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: relative;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: .65rem;
  min-width: 0;
}

.nav-logo img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  padding: 2px;
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  min-width: 0;
}

.nav-logo-text strong {
  font-size: .95rem;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: .06em;
  white-space: nowrap;
}

.nav-logo-text small {
  margin-top: .24rem;
  font-size: .65rem;
  color: rgba(255,255,255,.55);
  font-weight: 400;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: auto;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: var(--g-dark) !important;
  padding: .6rem 1rem;
  border-radius: 4px;
  font-size: .8rem;
  font-weight: 700 !important;
  transition: background .2s, transform .2s !important;
  white-space: nowrap;
  line-height: 1;
  border: 0;
}

.nav-cta:hover {
  background: var(--gold-lt) !important;
  transform: translateY(-1px);
}

.nav-cta-header {
  min-width: 150px;
}

.hamburger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,.88);
  border-radius: 2px;
  transition: .3s;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 58px;
  right: 2rem;
  width: min(320px, calc(100vw - 24px));
  background: var(--g-dark);
  padding: 1.1rem;
  gap: .35rem;
  list-style: none;
  border-radius: 0 0 14px 14px;
  box-shadow: 0 16px 40px rgba(0,0,0,.22);
  z-index: 300;
}

.nav-links.open {
  display: flex;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  width: 100%;
}

.nav-submenu-title {
  font-size: .72rem;
  font-weight: 700;
  color: rgba(255,255,255,.42);
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .4rem .95rem .15rem;
}

.nav-links a {
  display: block;
  width: 100%;
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255,255,255,.78);
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: background .2s, color .2s;
  padding: .62rem .95rem;
  border-radius: 8px;
  text-align: left;
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,.08);
}

.nav-links .nav-cta {
  margin-top: .4rem;
  min-height: 44px;
  text-align: center;
}

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  padding-top: 58px;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(390px, 0.88fr) minmax(0, 1.12fr);
  position: relative;
  overflow: hidden;
  background: var(--g-dark);
}

.hero-left {
  background: var(--g-dark);
  padding: 5rem 2rem 4.5rem max(2rem, calc((100vw - var(--max)) / 2 + 2rem));
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-left::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: .85;
}

.hero-left > * {
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.45rem, 4.1vw, 4.25rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--white);
  margin-bottom: 1.25rem;
  max-width: 560px;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255,255,255,.68);
  max-width: 520px;
  margin-bottom: 1.5rem;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 1.75rem;
}

.hero-chips span {
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.78);
  border-radius: 999px;
  padding: .45rem .75rem;
  font-size: .75rem;
  font-weight: 600;
}

.hero-ctas {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  max-width: 430px;
}

.cta-primary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .85rem;
  padding: 1rem 1.2rem;
  border-radius: var(--r);
  font-size: .875rem;
  font-weight: 700;
  transition: transform .2s var(--ease), box-shadow .2s, background .2s;
  cursor: pointer;
  border: 0;
}

.cta-primary:hover {
  transform: translateX(4px);
}

.cta-1 {
  background: var(--gold);
  color: var(--g-dark);
  box-shadow: 0 8px 24px rgba(200,169,110,.3);
}

.cta-1:hover {
  box-shadow: 0 12px 32px rgba(200,169,110,.45);
}

.cta-2 {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
}

.cta-2:hover {
  background: rgba(255,255,255,.16);
}

.cta-3 {
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.82);
  border: 1px solid rgba(255,255,255,.12);
}

.cta-3:hover {
  background: rgba(255,255,255,.11);
}

.cta-arrow {
  opacity: .65;
}

.hero-proof {
  margin-top: 2rem;
  display: grid;
  gap: .65rem;
  max-width: 500px;
}

.hero-proof-item {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  color: rgba(255,255,255,.58);
  font-size: .82rem;
  line-height: 1.55;
}

.hero-proof-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2.2;
  flex-shrink: 0;
  margin-top: .2rem;
}

.hero-disclaimer {
  margin-top: 1.5rem;
  font-size: .72rem;
  color: rgba(255,255,255,.36);
  line-height: 1.55;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 1rem;
  max-width: 500px;
}

.hero-right {
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.hero-right::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,64,64,.55), rgba(15,64,64,0) 38%);
  z-index: 1;
  pointer-events: none;
}

.hero-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-badge {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 45px rgba(0,0,0,.16);
  display: flex;
  align-items: center;
  gap: 1rem;
  border-radius: var(--r-lg);
  padding: 1rem 1.15rem;
}

.hero-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--g-pale);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.hero-badge-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--g);
  fill: none;
  stroke-width: 1.8;
}

.hero-badge strong {
  font-size: .95rem;
  color: var(--g-dark);
  display: block;
  margin-bottom: .18rem;
}

.hero-badge span {
  font-size: .82rem;
  color: var(--ink-60);
  line-height: 1.38;
}

/* ── TRUST BAR ──────────────────────────────────────────── */
.trust-bar {
  background: var(--g-xpale);
  border-top: 1px solid var(--g-pale);
  border-bottom: 1px solid var(--g-pale);
  padding: 1.25rem 2rem;
}

.trust-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--g-dark);
}

.trust-item svg {
  width: 17px;
  height: 17px;
  stroke: var(--g-light);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

.trust-divider {
  width: 1px;
  height: 24px;
  background: var(--g-pale);
}

/* ── SECTION SHARED ─────────────────────────────────────── */
.section {
  padding: 6rem 2rem;
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-alt {
  background: var(--cream);
}

.section-dark {
  background: var(--g-dark);
  color: var(--white);
}

.section-map {
  background: var(--g-xpale);
}

.eyebrow {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--g-light);
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--g-light);
}

.section-dark .eyebrow {
  color: var(--gold);
}

.section-dark .eyebrow::before {
  background: var(--gold);
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.85rem, 3.15vw, 2.85rem);
  font-weight: 600;
  line-height: 1.13;
  letter-spacing: -.02em;
  color: var(--ink);
  margin-bottom: 1rem;
}

.section-dark .section-title {
  color: var(--white);
}

.section-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink-60);
  max-width: 670px;
  line-height: 1.75;
}

.section-dark .section-sub {
  color: rgba(255,255,255,.60);
}

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.section-link {
  display: inline-flex;
  font-size: .85rem;
  font-weight: 700;
  color: var(--g);
  white-space: nowrap;
  margin-bottom: .55rem;
}

/* ── LAYOUTS ────────────────────────────────────────────── */
.split-layout,
.feature-layout,
.map-layout,
.science-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.intro-panel,
.research-panel,
.map-card,
.contact-card,
.feature-image-card {
  border-radius: var(--r-xl);
  border: 1px solid rgba(0,0,0,.07);
  background: var(--white);
  box-shadow: 0 18px 50px rgba(21,88,88,.08);
}

.intro-panel {
  padding: 2rem;
}

.intro-panel h3,
.research-panel h3,
.map-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--g-dark);
  margin-bottom: 1.2rem;
}

.panel-list {
  display: grid;
  gap: 1rem;
}

.panel-list div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem;
  background: var(--g-xpale);
  border-radius: var(--r-lg);
}

.panel-list span {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--g);
  color: var(--white);
  display: grid;
  place-items: center;
  font-size: .75rem;
  font-weight: 700;
}

.panel-list p {
  color: var(--ink-60);
  font-size: .9rem;
}

/* ── FEATURE ROBOT ──────────────────────────────────────── */
.feature-image-card {
  padding: 1rem;
  overflow: hidden;
  position: sticky;
  top: 84px;
}

.feature-image-card img {
  width: 100%;
  height: 490px;
  object-fit: cover;
  border-radius: 18px;
}

.image-caption {
  margin-top: .9rem;
  color: var(--ink-60);
  font-size: .82rem;
  line-height: 1.55;
}

.feature-steps {
  display: grid;
  gap: 1rem;
}

.step-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid rgba(0,0,0,.07);
  border-radius: var(--r-xl);
  padding: 1.35rem;
  transition: transform .25s var(--ease), box-shadow .25s;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px rgba(21,88,88,.10);
}

.step-icon,
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--g-pale);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.step-icon svg,
.icon-box svg {
  width: 23px;
  height: 23px;
  stroke: var(--g);
  fill: none;
  stroke-width: 1.8;
}

.step-card h3,
.info-card h3,
.dark-card h3 {
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: .38rem;
}

.step-card p,
.info-card p,
.dark-card p {
  font-size: .875rem;
  color: var(--ink-60);
  line-height: 1.68;
}

/* ── CARDS ──────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

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

.info-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,.07);
  border-radius: var(--r-xl);
  padding: 1.6rem;
  transition: transform .25s var(--ease), box-shadow .25s;
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(21,88,88,.10);
}

.icon-box {
  margin-bottom: 1.1rem;
}

/* ── MAP ────────────────────────────────────────────────── */
.map-layout {
  align-items: stretch;
}

.location-list {
  display: grid;
  gap: .85rem;
  margin-top: 2rem;
}

.location-item {
  background: var(--white);
  border: 1px solid rgba(0,0,0,.07);
  border-radius: var(--r-lg);
  padding: 1rem 1.15rem;
}

.location-item strong {
  display: block;
  color: var(--g-dark);
  font-size: .95rem;
  margin-bottom: .2rem;
}

.location-item span {
  color: var(--ink-60);
  font-size: .86rem;
}

.map-card {
  padding: 1rem;
}

.osm-map {
  min-height: 430px;
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  background: var(--g-pale);
  z-index: 1;
}

.map-card p {
  font-size: .82rem;
  color: var(--ink-60);
  margin-top: .8rem;
}

/* ── DARK SECTION ───────────────────────────────────────── */
.dark-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-xl);
  padding: 1.6rem;
  transition: background .25s, transform .25s var(--ease);
}

.dark-card:hover {
  background: rgba(255,255,255,.10);
  transform: translateY(-4px);
}

.dark-card h3 {
  color: var(--white);
}

.dark-card p {
  color: rgba(255,255,255,.55);
}

.dark-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
}

.dark-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.8;
}

/* ── SCIENCE ────────────────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .9rem;
  margin-top: 2rem;
}

.metric-card {
  background: var(--g-xpale);
  border-radius: var(--r-lg);
  padding: 1.1rem;
  border: 1px solid var(--g-pale);
}

.metric-card strong {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem;
  line-height: 1;
  color: var(--g);
  display: block;
}

.metric-card span {
  color: var(--ink-60);
  font-size: .82rem;
  line-height: 1.45;
}

.research-panel {
  padding: 2rem;
  background: var(--g-dark);
  color: var(--white);
  position: sticky;
  top: 84px;
}

.research-panel h3 {
  color: var(--white);
}

.research-panel ul {
  list-style: none;
  display: grid;
  gap: .85rem;
}

.research-panel li {
  color: rgba(255,255,255,.66);
  line-height: 1.6;
  font-size: .9rem;
  padding-left: 1.3rem;
  position: relative;
}

.research-panel li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  position: absolute;
  left: 0;
  top: .65rem;
}

/* ── CONTACT ────────────────────────────────────────────── */
.contact-section {
  background: var(--cream);
}

.contact-card {
  display: grid;
  grid-template-columns: 1.35fr .85fr;
  gap: 3rem;
  padding: 3rem;
  align-items: center;
  background: linear-gradient(135deg, var(--g) 0%, var(--g-dark) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.contact-card > * {
  position: relative;
}

.contact-card .section-title,
.contact-card .section-sub {
  color: var(--white);
}

.contact-card .section-sub {
  color: rgba(255,255,255,.65);
}

.contact-actions {
  display: grid;
  gap: .85rem;
}

.contact-actions .cta-2 {
  background: rgba(255,255,255,.08);
}

/* ── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--g-dark);
  padding: 3rem 2rem 2rem;
  color: rgba(255,255,255,.70);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand img {
  width: 76px;
  height: 76px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  padding: 2px;
}

.footer-brand p {
  font-size: .82rem;
  color: rgba(255,255,255,.48);
  line-height: 1.68;
  max-width: 310px;
}

.footer-disclaimer {
  font-size: .74rem !important;
  color: rgba(255,255,255,.28) !important;
}

.footer-col h4 {
  font-size: .8rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .62rem;
}

.footer-col ul a {
  font-size: .82rem;
  color: rgba(255,255,255,.48);
  transition: color .2s;
}

.footer-col ul a:hover {
  color: rgba(255,255,255,.88);
}

.footer-sites {
  max-width: var(--max);
  margin: 2rem auto 0;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 1rem;
}

.footer-site-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  text-align: center;
  padding: .75rem .45rem;
  border-radius: 16px;
  transition: background .2s, transform .2s;
}

.footer-site-card:hover {
  background: rgba(255,255,255,.07);
  transform: translateY(-2px);
}

.footer-site-card img {
  height: 68px;
  width: 100%;
  object-fit: contain;
}

.footer-site-card span {
  font-size: .68rem;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  letter-spacing: .03em;
  line-height: 1.25;
}

.footer-site-card:hover span {
  color: var(--white);
}

.footer-offices {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 34px 0 8px;
  margin-top: 2rem;
}

.footer-offices-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.footer-office,
.footer-office h5,
.footer-office p,
.footer-office a {
  color: var(--white);
}

.footer-office h5 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
}

.footer-office p {
  margin: 0 0 12px;
  line-height: 1.65;
  font-size: 14px;
  color: rgba(255,255,255,.62);
}

.footer-office a {
  color: rgba(255,255,255,.80);
}

.footer-office a:hover {
  text-decoration: underline;
}

.footer-bottom {
  max-width: var(--max);
  margin: 1.5rem auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .75rem;
  color: rgba(255,255,255,.32);
}

.footer-bottom a {
  color: rgba(255,255,255,.44);
  transition: color .2s;
}

.footer-bottom a:hover {
  color: rgba(255,255,255,.75);
}

/* ── ANIMATIONS ─────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: .08s; }
.fade-up:nth-child(3) { transition-delay: .16s; }
.fade-up:nth-child(4) { transition-delay: .24s; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1180px) {
  .cards-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-sites {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-left {
    padding: 4.5rem 2rem;
  }

  .hero h1,
  .hero-sub {
    max-width: 760px;
  }

  .hero-right {
    min-height: 440px;
  }

  .split-layout,
  .feature-layout,
  .map-layout,
  .science-layout,
  .contact-card {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .feature-image-card,
  .research-panel {
    position: static;
  }

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

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

@media (max-width: 768px) {
  .nav-inner {
    padding: 0 1rem;
  }

  .nav-links {
    right: 1rem;
  }

  .nav-cta-header {
    display: none;
  }

  .nav-logo-text strong {
    font-size: .82rem;
  }

  .nav-logo-text small {
    font-size: .58rem;
  }

  .section {
    padding: 4rem 1.25rem;
  }

  .hero-left {
    padding: 4rem 1.25rem;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 11vw, 3.1rem);
  }

  .hero-right {
    min-height: 360px;
  }

  .hero-badge {
    left: 12px;
    right: 12px;
    bottom: 12px;
    align-items: flex-start;
  }

  .trust-inner {
    align-items: flex-start;
  }

  .trust-divider {
    display: none;
  }

  .section-head-row {
    display: block;
  }

  .section-link {
    margin-top: 1rem;
  }

  .cards-grid-4,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .feature-image-card img {
    height: 340px;
  }

  .osm-map {
    min-height: 340px;
  }

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

  .footer-sites {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav-logo img {
    width: 44px;
    height: 44px;
  }

  .nav-logo-text small {
    display: none;
  }

  .hero-ctas {
    max-width: none;
  }

  .step-card {
    flex-direction: column;
  }

  .contact-card {
    padding: 2rem 1.25rem;
  }

  .footer-sites {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}