/* ============================================================
   Cellaris — Science | inspired by Chemistry template
   ============================================================ */
:root {
  --brand:        #4898B9;        /* Cellaris teal — primary */
  --brand-d:      #2C7090;        /* deeper teal */
  --brand-l:      #6BB0D1;        /* lighter teal */
  --brand-tint:   #EAF3F8;        /* tinted teal background */
  --accent:       #1c50d3;        /* Chemistry cobalt — used sparingly */
  --green:        #5BB85B;
  --purple:       #B25BB2;
  --amber:        #E89923;
  --ink:          #0E1E28;
  --ink-2:        #2D4150;
  --ink-3:        #6B7C88;
  --rule:         #E6ECEF;
  --rule-soft:    #F2F5F7;
  --bg:           #FFFFFF;
  --bg-soft:      #F7FAFB;
  --bg-dark:      #0E1E28;
  --max:          1200px;
  --shadow-sm:    0 2px 6px rgba(14,30,40,.05);
  --shadow-md:    0 8px 24px rgba(14,30,40,.08);
  --shadow-lg:    0 24px 48px rgba(14,30,40,.10);
  --ease:         cubic-bezier(.25,.46,.45,.94);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Sora', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--brand); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--brand-d); }
em, i { font-style: italic; }
.page { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
h1, h2, h3, h4, h5 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.02em;
  line-height: 1.2;
}

/* ============== Reveal animations ============== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-x { opacity: 0; transform: translateX(-32px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-x.in { opacity: 1; transform: translateX(0); }
.reveal-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-stagger.in > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.reveal-stagger.in > *:nth-child(2) { opacity: 1; transform: none; transition-delay: .1s; }
.reveal-stagger.in > *:nth-child(3) { opacity: 1; transform: none; transition-delay: .2s; }
.reveal-stagger.in > *:nth-child(4) { opacity: 1; transform: none; transition-delay: .3s; }
.reveal-stagger.in > *:nth-child(5) { opacity: 1; transform: none; transition-delay: .4s; }
.reveal-stagger.in > *:nth-child(6) { opacity: 1; transform: none; transition-delay: .5s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-x, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
}

/* ============== Top nav (Chemistry style) ============== */
.topbar {
  background: var(--bg-dark);
  color: rgba(255,255,255,.75);
  font-size: 13px;
  padding: 10px 0;
}
.topbar .row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: #fff; }

header.nav {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--rule);
}
.nav-inner { display: flex; align-items: center; padding: 18px 0; gap: 36px; }
.logo img { height: 46px; width: auto; }
.nav-menu { list-style: none; display: flex; gap: 36px; }
.nav-menu a {
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 4px 0;
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--brand);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-menu a:hover::after, .nav-menu a.current::after { transform: scaleX(1); }
.nav-menu a.current { color: var(--brand); }
.spacer { flex: 1; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand);
  color: #fff !important;
  padding: 11px 26px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: none; cursor: pointer;
  transition: all .25s var(--ease);
}
.btn:hover { background: var(--brand-d); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn .arrow { display: inline-block; transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ============== Hero ============== */
.hero {
  position: relative;
  height: 520px;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(.55) saturate(1.1);
  transform: scale(1.05);
  animation: heroZoom 14s ease-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.08); } }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(14,30,40,.85) 0%, rgba(44,112,144,.6) 50%, rgba(72,152,185,.2) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 760px;
  padding: 130px 32px 80px;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #BDE0EE;
  margin-bottom: 24px;
  padding: 8px 18px;
  background: rgba(189,224,238,.12);
  border: 1px solid rgba(189,224,238,.25);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.hero-eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-l);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  color: #fff;
  line-height: 1.05;
  font-weight: 700;
  margin-bottom: 18px;
}
.hero h1 em { font-weight: 300; font-style: italic; color: var(--brand-l); }
.hero p.lead {
  font-size: 18px;
  color: rgba(255,255,255,.85);
  max-width: 560px;
  font-weight: 300;
  line-height: 1.5;
}
.hero p.lead em { font-style: italic; color: var(--brand-l); font-weight: 400; }

/* ============== Section frame ============== */
section { padding: 100px 0; }
.section-head {
  max-width: 720px;
  margin: 0 auto 60px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
  position: relative;
  padding: 0 28px;
}
.eyebrow::before, .eyebrow::after {
  content: ""; position: absolute; top: 50%;
  width: 18px; height: 1px; background: var(--brand);
}
.eyebrow::before { left: 0; }
.eyebrow::after { right: 0; }
.section-head h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 18px;
}
.section-head h2 em { color: var(--brand); font-style: italic; font-weight: 400; }
.section-head .lead {
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* Section variants */
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--bg-dark); color: rgba(255,255,255,.85); }
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head .lead { color: rgba(255,255,255,.7); }

/* ============== Intro 2-col ============== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.two-col p { font-size: 16px; line-height: 1.8; color: var(--ink-2); }
.two-col p:first-of-type::first-letter {
  font-size: 64px;
  font-weight: 600;
  float: left;
  line-height: .9;
  padding: 6px 12px 0 0;
  color: var(--brand);
  font-family: 'Sora', serif;
}

/* ============== Icon boxes (Chemistry-style) ============== */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.icon-box {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.icon-box::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--brand-tint), transparent);
  opacity: 0;
  transition: opacity .35s var(--ease);
  z-index: 0;
}
.icon-box:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--brand-l); }
.icon-box:hover::before { opacity: 1; }
.icon-box > * { position: relative; z-index: 1; }
.icon-box .ic {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--brand-tint);
  color: var(--brand-d);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  transition: transform .35s var(--ease);
}
.icon-box:hover .ic { transform: rotate(-8deg) scale(1.05); }
.icon-box .ic svg { width: 30px; height: 30px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.icon-box h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; line-height: 1.3; }
.icon-box p { font-size: 14px; color: var(--ink-3); line-height: 1.6; }
.icon-box .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}

/* Step process (1-2-3-4) */
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
.step-grid::before {
  content: ""; position: absolute; top: 32px; left: 8%; right: 8%;
  border-top: 2px dashed var(--rule);
  z-index: 0;
}
.step {
  background: #fff;
  text-align: center;
  padding: 28px 22px;
  position: relative;
  z-index: 1;
}
.step .num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 0 0 8px var(--brand-tint);
  transition: transform .3s var(--ease);
}
.step:hover .num { transform: scale(1.08); }
.step h4 { font-size: 16px; color: var(--ink); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--ink-3); line-height: 1.55; }

/* ============== Big numbers / fun-facts ============== */
.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  background: linear-gradient(135deg, var(--brand-d), var(--brand));
  padding: 56px 48px;
  border-radius: 20px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.fact-grid::before {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
}
.fact { position: relative; z-index: 1; text-align: center; padding: 16px 12px; border-right: 1px solid rgba(255,255,255,.18); }
.fact:last-child { border-right: none; }
.fact .num {
  font-size: clamp(48px, 5vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  margin-bottom: 8px;
}
.fact .num small { font-size: 28px; font-weight: 400; opacity: .85; }
.fact .lbl {
  font-size: 12px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  margin-bottom: 4px;
}
.fact p { font-size: 13px; color: rgba(255,255,255,.7); line-height: 1.5; margin: 0 auto; max-width: 200px; }

/* ============== Card grids (architecture / safety) ============== */
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.full { grid-template-columns: 1fr; }
.s-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 32px 36px;
  position: relative;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.s-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: var(--brand);
  transform: scaleY(0); transform-origin: top;
  transition: transform .35s var(--ease);
}
.s-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-l); }
.s-card:hover::before { transform: scaleY(1); }
.s-card .tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 10px;
}
.s-card h3 { font-size: 20px; color: var(--ink); margin-bottom: 12px; line-height: 1.3; }
.s-card p { font-size: 14.5px; color: var(--ink-3); line-height: 1.7; }
.s-card.dark { background: linear-gradient(180deg, var(--brand-tint), #fff); border-color: var(--brand-l); }

/* HER2 figure pill */
.her2-figure { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: center; margin-top: 18px; }
.signal-pill {
  background: linear-gradient(135deg, var(--brand-tint), #fff);
  border: 1px solid var(--brand-l);
  border-radius: 14px;
  padding: 24px 18px;
  text-align: center;
}
.signal-pill .v { font-size: 22px; font-weight: 600; color: var(--brand-d); line-height: 1.2; }
.signal-pill .l { font-size: 12px; color: var(--ink-3); margin-top: 10px; line-height: 1.5; }

.cells-labels { display: grid; grid-template-columns: 1fr 1fr; text-align: center; gap: 12px; margin-top: 14px; }
.cells-labels strong { display: block; color: var(--brand-d); font-size: 14px; font-weight: 700; }
.cells-labels span { font-size: 12px; color: var(--ink-3); }

/* Cytolysis */
.cytolysis { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; align-items: start; margin-top: 18px; }
.figure-caption { background: var(--bg-soft); padding: 24px; border-radius: 12px; border-left: 4px solid var(--brand); font-size: 13.5px; line-height: 1.65; color: var(--ink-2); }
.figure-caption strong { display: block; color: var(--brand-d); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; }

/* Summary table */
.summary-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 14px; }
.summary-table th, .summary-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--rule); }
.summary-table th { color: var(--brand-d); font-weight: 700; font-size: 11px; letter-spacing: .15em; text-transform: uppercase; background: var(--bg-soft); }
.summary-table tbody tr:hover { background: var(--brand-tint); }
.summary-table .moderate { color: var(--brand); font-weight: 600; }
.summary-table .minimal { color: var(--amber); font-weight: 600; }

/* Safety 3-cols */
.safety-3cols { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 22px; margin-top: 18px; }
.safety-3cols .col { text-align: center; padding: 24px 20px; background: var(--bg-soft); border-radius: 12px; transition: transform .3s var(--ease); }
.safety-3cols .col:hover { transform: translateY(-4px); }
.safety-3cols .col h4 { font-size: 15px; color: var(--brand-d); margin-bottom: 8px; }
.safety-3cols .col p { font-size: 13px; color: var(--ink-3); line-height: 1.6; }
.safety-3cols .col-icon { display: flex; align-items: center; justify-content: center; height: 96px; margin: 0 auto 14px; }
.safety-3cols .col-icon img { max-height: 96px; max-width: 100%; width: auto; object-fit: contain; }

.objective-block { margin-top: 22px; padding: 20px 22px; background: var(--brand-tint); border-radius: 12px; border-left: 4px solid var(--brand); font-size: 14.5px; color: var(--ink-2); }
.objective-block strong { color: var(--brand-d); }

/* Reference */
.reference {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.65;
  padding: 24px 32px;
  background: var(--bg-soft);
  border-radius: 12px;
  border-left: 3px solid var(--rule);
  margin-top: 36px;
  font-style: italic;
}
.reference strong { color: var(--brand-d); font-style: normal; font-weight: 700; }

/* ============== Vector banner ============== */
.vector-banner {
  background: linear-gradient(135deg, var(--brand-d), var(--brand));
  padding: 56px 64px;
  border-radius: 20px;
  display: flex; align-items: center; gap: 36px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.vector-banner::after {
  content: ""; position: absolute; right: -80px; bottom: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
}
.vector-banner img { width: 90px; filter: brightness(0) invert(1); flex-shrink: 0; position: relative; z-index: 1; }
.vector-banner h2 { color: #fff; font-size: clamp(24px, 3vw, 36px); line-height: 1.15; position: relative; z-index: 1; }
.vector-banner h2 small { display: block; font-size: 13px; font-weight: 400; letter-spacing: .12em; text-transform: uppercase; opacity: .8; margin-bottom: 8px; }

.vector-arch { display: grid; grid-template-columns: .9fr 1.4fr; gap: 56px; align-items: center; padding: 56px 0 0; }
.viral-capsid-block { text-align: center; }
.viral-capsid-block img { max-width: 360px; margin: 0 auto; }
.genome-section .gh { background: var(--bg-soft); border: 1px solid var(--brand); padding: 16px 20px; border-radius: 12px; text-align: center; font-weight: 700; color: var(--brand-d); font-size: 16px; letter-spacing: .04em; margin-bottom: 20px; }
.genome-boxes { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-bottom: 28px; }
.gbox { border: 2px solid var(--green); border-radius: 12px; padding: 14px 18px; text-align: center; font-weight: 700; font-size: 12.5px; letter-spacing: .06em; color: var(--green); background: #fff; transition: all .25s var(--ease); }
.gbox:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.gbox.car { color: var(--brand); border-color: var(--brand); }
.gbox.reg { color: var(--purple); border-color: var(--purple); }
.car-arch-grid { display: grid; grid-template-columns: 160px 1fr; gap: 22px; font-size: 14.5px; padding: 24px 28px; background: var(--bg-soft); border-radius: 12px; }
.car-arch-grid .lbl { font-weight: 700; color: var(--brand-d); }
.car-arch-grid ul { list-style: none; line-height: 1.85; color: var(--ink-2); }
.car-arch-grid ul li { position: relative; padding-left: 22px; }
.car-arch-grid ul li::before { content: ""; position: absolute; left: 0; top: 12px; width: 8px; height: 8px; background: var(--brand); border-radius: 50%; }

/* ============== Translational impact ============== */
.translational-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: start; }
.invivo-title { font-size: clamp(26px, 3vw, 34px); color: var(--brand-d); font-weight: 700; line-height: 1.2; margin-bottom: 10px; letter-spacing: -.01em; }
.invivo-title em { font-style: italic; font-weight: 300; color: var(--brand); }
.invivo-sub { font-size: 14px; color: var(--ink-3); margin-bottom: 40px; letter-spacing: .04em; text-transform: uppercase; font-weight: 600; }

.ti-list { display: flex; flex-direction: column; gap: 32px; }
.ti-item { display: grid; grid-template-columns: 70px 1fr; gap: 22px; padding: 4px 0; }
.ti-item .num {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid var(--brand);
  color: var(--brand);
  font-size: 20px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: all .3s var(--ease);
}
.ti-item:hover .num { background: var(--brand); color: #fff; transform: rotate(-6deg); }
.ti-item h4 { color: var(--ink); font-size: 18px; margin-bottom: 6px; line-height: 1.3; }
.ti-item h4 em { font-style: italic; color: var(--brand); }
.ti-item p { font-size: 14.5px; line-height: 1.7; color: var(--ink-3); }

.callout {
  font-size: clamp(20px, 2vw, 24px);
  font-style: italic;
  color: var(--brand-d);
  line-height: 1.5;
  padding: 36px 32px;
  background: linear-gradient(135deg, var(--brand-tint), #fff);
  border-left: 4px solid var(--brand);
  border-radius: 0 16px 16px 0;
  font-weight: 300;
}
.callout em { color: var(--brand); font-weight: 500; }

/* ============== Footer (Chemistry-style) ============== */
footer.site {
  background: var(--bg-dark);
  color: rgba(255,255,255,.7);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-grid h4 {
  color: #fff;
  font-size: 14px;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 22px;
  font-weight: 700;
}
.footer-grid img.flogo { height: 44px; margin-bottom: 22px; filter: brightness(0) invert(1); }
.footer-grid p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.65); margin-bottom: 14px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 12px; font-size: 14px; }
.footer-grid a { color: rgba(255,255,255,.7); transition: color .2s var(--ease), padding .2s var(--ease); display: inline-block; }
.footer-grid a:hover { color: var(--brand-l); padding-left: 4px; }
.subscribe-form {
  display: flex;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 14px;
  transition: border-color .25s var(--ease);
}
.subscribe-form:focus-within { border-color: var(--brand-l); }
.subscribe-form input {
  flex: 1; background: transparent; border: none;
  padding: 14px 22px; color: #fff;
  font-family: inherit; font-size: 14px; outline: none;
}
.subscribe-form input::placeholder { color: rgba(255,255,255,.5); }
.subscribe-form button {
  background: var(--brand);
  border: none;
  padding: 0 22px;
  color: #fff;
  cursor: pointer;
  transition: background .2s var(--ease);
  font-family: inherit;
}
.subscribe-form button:hover { background: var(--brand-d); }
.subscribe-form svg { width: 18px; height: 18px; }
.social { display: flex; gap: 12px; margin-top: 22px; }
.social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  transition: all .25s var(--ease);
}
.social a:hover { background: var(--brand); transform: translateY(-3px); padding-left: 0 !important; }
.social svg { width: 18px; height: 18px; fill: #fff; }
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.7); }

/* ============== Landing-specific: Hero with floating cell ============== */
.hero.landing { height: 620px; }
.hero.landing .hero-content { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; max-width: var(--max); padding: 80px 32px; }
.hero-visual { position: relative; }
.hero-visual img {
  width: 100%; max-width: 440px; margin-left: auto;
  filter: drop-shadow(0 30px 60px rgba(72,152,185,.4));
  animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
.hero.landing h1 { font-size: clamp(40px, 5vw, 60px); }

/* ============== About + KPI strip (landing) ============== */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.about-image { position: relative; }
.about-image img { border-radius: 16px; }
.kpi-badge {
  position: absolute;
  bottom: -28px; left: -28px;
  width: 170px; height: 170px;
  background: var(--brand);
  color: #fff;
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  border: 6px solid #fff;
}
.kpi-badge .num { font-size: 36px; font-weight: 700; line-height: 1; margin-bottom: 6px; }
.kpi-badge .lbl { font-size: 11px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; opacity: .9; line-height: 1.3; }

/* ============== Comparison cards (ex-vivo vs in-vivo) ============== */
.compare-section { padding: 100px 0; background: var(--bg-dark); color: rgba(255,255,255,.85); position: relative; overflow: hidden; }
.compare-section::before {
  content: ""; position: absolute; right: -200px; top: 50%; transform: translateY(-50%);
  width: 600px; height: 600px;
  background: url('img/cell-virus.png') center/contain no-repeat;
  opacity: .08;
}
.compare-section .section-head h2 { color: #fff; }
.compare-section .section-head .lead { color: rgba(255,255,255,.7); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 980px; margin: 0 auto; position: relative; z-index: 1; }
.compare-card {
  padding: 36px 32px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.compare-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.25); }
.compare-card.highlight {
  background: linear-gradient(135deg, rgba(72,152,185,.18), rgba(72,152,185,.05));
  border-color: rgba(107,176,209,.5);
}
.compare-card h3 {
  color: #fff; font-size: 20px; margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.compare-card.highlight h3 { color: var(--brand-l); }
.compare-card ul { list-style: none; }
.compare-card li {
  padding: 14px 0 14px 32px; position: relative;
  color: rgba(255,255,255,.85); font-size: 14.5px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.compare-card li:last-child { border-bottom: none; }
.compare-card li::before {
  content: ""; position: absolute; left: 0; top: 18px;
  width: 14px; height: 14px; border-radius: 50%;
  background: rgba(255,255,255,.12); border: 2px solid rgba(255,255,255,.4);
}
.compare-card.highlight li::before {
  background: var(--brand); border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(72,152,185,.2);
}

/* ============== Therapeutic Applications icons ============== */
.app-icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}
.app-icon {
  padding: 16px;
  transition: transform .3s var(--ease);
}
.app-icon:hover { transform: translateY(-6px); }
.app-icon .ic {
  width: 110px; height: 110px;
  margin: 0 auto 16px;
  background: var(--brand-tint);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
  transition: background .3s var(--ease);
}
.app-icon:hover .ic { background: var(--brand); }
.app-icon .ic img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  transition: transform .3s var(--ease);
}
.app-icon:hover .ic img { transform: scale(1.05); }
.app-icon h4 { font-size: 16px; color: var(--ink); margin-top: 6px; }

/* ============== News cards ============== */
.news-header { display: flex; justify-content: space-between; align-items: end; margin-bottom: 50px; flex-wrap: wrap; gap: 20px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--brand-l); }
.news-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; position: relative; background: var(--bg-soft); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card:hover .thumb img { transform: scale(1.06); }
.news-card .news-tag {
  position: absolute; top: 14px; right: 14px;
  background: var(--brand); color: #fff;
  font-size: 11px; font-weight: 700;
  padding: 5px 12px; border-radius: 999px;
  letter-spacing: .12em; text-transform: uppercase;
}
.news-card .body { padding: 22px 26px; flex: 1; display: flex; flex-direction: column; }
.news-card .date { font-size: 12px; color: var(--ink-3); margin-bottom: 8px; letter-spacing: .04em; }
.news-card h3 { font-size: 17px; line-height: 1.35; margin-bottom: 14px; flex: 1; color: var(--ink); }
.news-card p { font-size: 13.5px; color: var(--ink-3); line-height: 1.55; margin-bottom: 14px; }
.news-card .read-more {
  font-size: 12px; font-weight: 700; color: var(--brand);
  letter-spacing: .12em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap .25s var(--ease);
}
.news-card .read-more:hover { gap: 12px; color: var(--brand-d); }

/* ============== CTA banner ============== */
.cta-banner {
  background: linear-gradient(135deg, var(--brand-d), var(--brand));
  color: #fff;
  padding: 70px 48px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%);
}
.cta-banner h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); line-height: 1.2; margin-bottom: 8px; position: relative; z-index: 1; }
.cta-banner h2 em { font-style: italic; font-weight: 300; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 15px; position: relative; z-index: 1; max-width: 520px; }
.cta-banner .btn { background: #fff; color: var(--brand-d) !important; position: relative; z-index: 1; }
.cta-banner .btn:hover { background: var(--ink); color: #fff !important; }

/* ============== Responsive ============== */
@media (max-width: 980px) {
  .page { padding: 0 22px; }
  section { padding: 70px 0; }
  .two-col, .icon-grid, .step-grid, .card-grid, .card-grid.three, .vector-arch, .translational-grid, .footer-grid, .cytolysis, .safety-3cols, .about-grid, .compare-grid { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; padding: 36px 28px; gap: 18px; }
  .fact { border-right: none; border-bottom: 1px solid rgba(255,255,255,.18); padding-bottom: 18px; }
  .fact:last-child { border-bottom: none; }
  .step-grid::before { display: none; }
  .vector-banner { flex-direction: column; text-align: center; padding: 36px 28px; }
  .nav-menu { display: none; }
  .hero { height: auto; min-height: 440px; }
  .hero.landing { height: auto; min-height: 600px; }
  .hero.landing .hero-content { grid-template-columns: 1fr; padding: 80px 22px 60px; }
  .hero-visual img { max-width: 280px; margin: 0 auto; }
  .hero-content { padding: 100px 22px 60px; }
  .her2-figure { grid-template-columns: 1fr; }
  .app-icons { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; text-align: center; padding: 48px 28px; }
  .kpi-badge { width: 130px; height: 130px; bottom: -16px; left: -16px; }
  .kpi-badge .num { font-size: 26px; }
}
elative; }
.about-image img { border-radius: 16px; }
.kpi-badge {
  position: absolute;
  bottom: -28px; left: -28px;
  width: 170px; height: 170px;
  background: var(--brand);
  color: #fff;
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  border: 6px solid #fff;
}
.kpi-badge .num { font-size: 36px; font-weight: 700; line-height: 1; margin-bottom: 6px; }
.kpi-badge .lbl { font-size: 11px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; opacity: .9; line-height: 1.3; }

/* ============== Comparison cards (ex-vivo vs in-vivo) ============== */
.compare-section { padding: 100px 0; background: var(--bg-dark); color: rgba(255,255,255,.85); position: relative; overflow: hidden; }
.compare-section::before {
  content: ""; position: absolute; right: -200px; top: 50%; transform: translateY(-50%);
  width: 600px; height: 600px;
  background: url('img/cell-virus.png') center/contain no-repeat;
  opacity: .08;
}
.compare-section .section-head h2 { color: #fff; }
.compare-section .section-head .lead { color: rgba(255,255,255,.7); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 980px; margin: 0 auto; position: relative; z-index: 1; }
.compare-card {
  padding: 36px 32px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.compare-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.25); }
.compare-card.highlight {
  background: linear-gradient(135deg, rgba(72,152,185,.18), rgba(72,152,185,.05));
  border-color: rgba(107,176,209,.5);
}
.compare-card h3 {
  color: #fff; font-size: 20px; margin-bottom: 18px;
}
.compare-card.highlight h3 { color: var(--brand-l); }
.compare-card ul { list-style: none; }
.compare-card li {
  padding: 14px 0 14px 32px; position: relative;
  color: rgba(255,255,255,.85); font-size: 14.5px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.compare-card li:last-child { border-bottom: none; }
.compare-card li::before {
  content: ""; position: absolute; left: 0; top: 18px;
  width: 14px; height: 14px; border-radius: 50%;
  background: rgba(255,255,255,.12); border: 2px solid rgba(255,255,255,.4);
}
.compare-card.highlight li::before {
  background: var(--brand); border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(72,152,185,.2);
}

/* ============== Therapeutic Applications icons ============== */
.app-icons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.app-icon { padding: 16px; transition: transform .3s var(--ease); }
.app-icon:hover { transform: translateY(-6px); }
.app-icon .ic {
  width: 110px; height: 110px;
  margin: 0 auto 16px;
  background: var(--brand-tint);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
  transition: background .3s var(--ease);
}
.app-icon:hover .ic { background: var(--brand); }
.app-icon .ic img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform .3s var(--ease); }
.app-icon:hover .ic img { transform: scale(1.05); }
.app-icon h4 { font-size: 16px; color: var(--ink); margin-top: 6px; }

/* ============== News cards ============== */
.news-header { display: flex; justify-content: space-between; align-items: end; margin-bottom: 50px; flex-wrap: wrap; gap: 20px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: #fff; border: 1px solid var(--rule); border-radius: 16px; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--brand-l); }
.news-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; position: relative; background: var(--bg-soft); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card:hover .thumb img { transform: scale(1.06); }
.news-card .news-tag {
  position: absolute; top: 14px; right: 14px;
  background: var(--brand); color: #fff;
  font-size: 11px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
  letter-spacing: .12em; text-transform: uppercase;
}
.news-card .body { padding: 22px 26px; flex: 1; display: flex; flex-direction: column; }
.news-card .date { font-size: 12px; color: var(--ink-3); margin-bottom: 8px; letter-spacing: .04em; }
.news-card h3 { font-size: 17px; line-height: 1.35; margin-bottom: 14px; flex: 1; color: var(--ink); }
.news-card p { font-size: 13.5px; color: var(--ink-3); line-height: 1.55; margin-bottom: 14px; }
.news-card .read-more {
  font-size: 12px; font-weight: 700; color: var(--brand);
  letter-spacing: .12em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap .25s var(--ease);
}
.news-card .read-more:hover { gap: 12px; color: var(--brand-d); }

/* ============== CTA banner ============== */
.cta-banner {
  background: linear-gradient(135deg, var(--brand-d), var(--brand));
  color: #fff;
  padding: 70px 48px;
  border-radius: 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%);
}
.cta-banner h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); line-height: 1.2; margin-bottom: 8px; position: relative; z-index: 1; }
.cta-banner h2 em { font-style: italic; font-weight: 300; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 15px; position: relative; z-index: 1; max-width: 520px; }
.cta-banner .btn { background: #fff; color: var(--brand-d) !important; position: relative; z-index: 1; }
.cta-banner .btn:hover { background: var(--ink); color: #fff !important; }

/* ============== Responsive ============== */
@media (max-width: 980px) {
  .page { padding: 0 22px; }
  section { padding: 70px 0; }
  .two-col, .icon-grid, .step-grid, .card-grid, .card-grid.three, .vector-arch, .translational-grid, .footer-grid, .cytolysis, .safety-3cols, .about-grid, .compare-grid { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; padding: 36px 28px; gap: 18px; }
  .fact { border-right: none; border-bottom: 1px solid rgba(255,255,255,.18); padding-bottom: 18px; }
  .fact:last-child { border-bottom: none; }
  .step-grid::before { display: none; }
  .vector-banner { flex-direction: column; text-align: center; padding: 36px 28px; }
  .nav-menu { display: none; }
  .hero { height: auto; min-height: 440px; }
  .hero.landing { height: auto; min-height: 600px; }
  .hero.landing .hero-content { grid-template-columns: 1fr; padding: 80px 22px 60px; }
  .hero-visual img { max-width: 280px; margin: 0 auto; }
  .hero-content { padding: 100px 22px 60px; }
  .her2-figure { grid-template-columns: 1fr; }
  .app-icons { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; text-align: center; padding: 48px 28px; }
  .kpi-badge { width: 130px; height: 130px; bottom: -16px; left: -16px; }
  .kpi-badge .num { font-size: 26px; }
}

/* ============== Mobile menu toggle ============== */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  margin-left: auto;
  z-index: 60;
}
.mobile-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .25s var(--ease);
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============== Pillars grid (responsive) ============== */
.pillars-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* ============== Mobile menu drop-down (>=981px hidden) ============== */
@media (max-width: 980px) {
  .nav-inner { position: relative; flex-wrap: nowrap; }
  .mobile-toggle { display: block; }
  /* hide desktop CTA, surface inside drop-down */
  .nav-inner > a.btn { display: none; }
  .nav-menu {
    display: none !important;
    position: absolute;
    top: 100%; left: -22px; right: -22px;
    flex-direction: column;
    background: #fff;
    padding: 18px 32px 22px;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 12px 28px rgba(14,30,40,.08);
    gap: 0;
    z-index: 50;
  }
  .nav-menu.open { display: flex !important; }
  .nav-menu li {
    padding: 14px 0;
    border-bottom: 1px solid var(--rule-soft);
  }
  .nav-menu li:last-child { border-bottom: none; }
  .nav-menu li a { font-size: 16px; }
  .nav-menu li.cta {
    margin-top: 12px;
    padding: 0;
    border-bottom: none;
  }
  .nav-menu li.cta a {
    background: var(--brand);
    color: #fff !important;
    padding: 12px 22px;
    border-radius: 999px;
    text-align: center;
    font-weight: 600;
    display: block;
  }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
}
@media (max-width: 600px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .app-icons { grid-template-columns: 1fr 1fr; gap: 18px; }
  .compare-grid { grid-template-columns: 1fr; }
  .hero.landing h1 { font-size: 30px; }
  .hero h1 { font-size: 28px; }
  .hero-content { padding: 80px 18px 50px; }
  .section-head h2 { font-size: 24px; }
  .topbar { font-size: 11px; }
  .topbar .row { flex-direction: column; gap: 4px; text-align: center; }
  .vector-banner h2 { font-size: 20px; }
  .invivo-title { font-size: 22px; }
}

/* ============== Therapeutic Applications ============== */
.app-icons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.app-icon { padding: 16px; transition: transform .3s var(--ease); }
.app-icon:hover { transform: translateY(-6px); }
.app-icon .ic {
  width: 110px; height: 110px;
  margin: 0 auto 16px;
  background: var(--brand-tint);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
  transition: background .3s var(--ease);
}
.app-icon:hover .ic { background: var(--brand); }
.app-icon .ic img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform .3s var(--ease); }
.app-icon:hover .ic img { transform: scale(1.05); }
.app-icon h4 { font-size: 16px; color: var(--ink); margin-top: 6px; }

/* ============== News cards ============== */
.news-header { display: flex; justify-content: space-between; align-items: end; margin-bottom: 50px; flex-wrap: wrap; gap: 20px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: #fff; border: 1px solid var(--rule); border-radius: 16px; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--brand-l); }
.news-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; position: relative; background: var(--bg-soft); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card:hover .thumb img { transform: scale(1.06); }
.news-card .news-tag {
  position: absolute; top: 14px; right: 14px;
  background: var(--brand); color: #fff;
  font-size: 11px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
  letter-spacing: .12em; text-transform: uppercase;
}
.news-card .body { padding: 22px 26px; flex: 1; display: flex; flex-direction: column; }
.news-card .date { font-size: 12px; color: var(--ink-3); margin-bottom: 8px; letter-spacing: .04em; }
.news-card h3 { font-size: 17px; line-height: 1.35; margin-bottom: 14px; flex: 1; color: var(--ink); }
.news-card p { font-size: 13.5px; color: var(--ink-3); line-height: 1.55; margin-bottom: 14px; }
.news-card .read-more {
  font-size: 12px; font-weight: 700; color: var(--brand);
  letter-spacing: .12em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap .25s var(--ease);
}
.news-card .read-more:hover { gap: 12px; color: var(--brand-d); }

/* ============== CTA banner ============== */
.cta-banner {
  background: linear-gradient(135deg, var(--brand-d), var(--brand));
  color: #fff;
  padding: 70px 48px;
  border-radius: 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%);
}
.cta-banner h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); line-height: 1.2; margin-bottom: 8px; position: relative; z-index: 1; }
.cta-banner h2 em { font-style: italic; font-weight: 300; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 15px; position: relative; z-index: 1; max-width: 520px; }
.cta-banner .btn { background: #fff; color: var(--brand-d) !important; position: relative; z-index: 1; }
.cta-banner .btn:hover { background: var(--ink); color: #fff !important; }

/* ============== Pillars grid (responsive on landing) ============== */
.pillars-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* ============== Mobile menu toggle ============== */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  margin-left: auto;
}
.mobile-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .25s var(--ease);
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============== Responsive — tablet + mobile ============== */
@media (max-width: 980px) {
  .page { padding: 0 22px; }
  section { padding: 70px 0; }
  .two-col, .icon-grid, .step-grid, .card-grid, .card-grid.three, .vector-arch, .translational-grid, .footer-grid, .cytolysis, .safety-3cols, .about-grid, .compare-grid { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; padding: 36px 28px; gap: 18px; }
  .fact { border-right: none; border-bottom: 1px solid rgba(255,255,255,.18); padding-bottom: 18px; }
  .fact:last-child { border-bottom: none; }
  .step-grid::before { display: none; }
  .vector-banner { flex-direction: column; text-align: center; padding: 36px 28px; }
  .her2-figure { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .app-icons { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .cta-banner { flex-direction: column; text-align: center; padding: 48px 28px; }
  .kpi-badge { width: 130px; height: 130px; bottom: -16px; left: -16px; }
  .kpi-badge .num { font-size: 26px; }
  .hero { height: auto; min-height: 440px; }
  .hero.landing { height: auto; min-height: 600px; }
  .hero.landing .hero-content { grid-template-columns: 1fr; padding: 80px 22px 60px; }
  .hero-visual img { max-width: 280px; margin: 0 auto; }
  .hero-content { padding: 100px 22px 60px; }

  /* Nav: hide desktop CTA, show hamburger, drop-down menu */
  .nav-inner { position: relative; flex-wrap: nowrap; gap: 16px; }
  .nav-inner > a.btn { display: none !important; }
  .mobile-toggle { display: block; }
  .nav-menu {
    display: none !important;
    position: absolute;
    top: 100%; left: -22px; right: -22px;
    flex-direction: column;
    background: #fff;
    padding: 18px 24px 22px;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 12px 28px rgba(14,30,40,.08);
    gap: 0;
    z-index: 50;
  }
  .nav-menu.open { display: flex !important; }
  .nav-menu li {
    padding: 14px 0;
    border-bottom: 1px solid var(--rule-soft);
  }
  .nav-menu li:last-child { border-bottom: none; }
  .nav-menu li a { font-size: 16px; }
  .nav-menu li.cta {
    margin-top: 12px;
    padding: 0;
    border-bottom: none;
  }
  .nav-menu li.cta a {
    background: var(--brand);
    color: #fff !important;
    padding: 12px 22px;
    border-radius: 999px;
    text-align: center;
    font-weight: 600;
    display: block;
  }
  .nav-menu li.cta a::after { display: none; }
}

/* small phones */
@media (max-width: 600px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .app-icons { grid-template-columns: 1fr 1fr; gap: 18px; }
  .compare-grid { grid-template-columns: 1fr; }
  .hero.landing h1 { font-size: 30px; }
  .hero h1 { font-size: 28px; }
  .hero-content { padding: 80px 18px 50px; }
  .section-head h2 { font-size: 24px; }
  .topbar { font-size: 11px; }
  .topbar .row { flex-direction: column; gap: 4px; text-align: center; }
  .vector-banner h2 { font-size: 20px; }
  .invivo-title { font-size: 22px; }
  .news-card .body { padding: 18px 20px; }
  .cta-banner { padding: 40px 22px; }
}

/* ============== Arrow icon (SVG, replacing → text) ============== */
.btn .arrow,
.read-more .arrow {
  width: 14px;
  height: 14px;
  display: inline-block;
  flex-shrink: 0;
  transition: transform .25s var(--ease);
}
.btn:hover .arrow,
.read-more:hover .arrow { transform: translateX(4px); }

/* ============== Article pages (news-*.html) ============== */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, var(--bg-dark), var(--brand-d));
  color: #fff;
  padding: 90px 0 70px;
  overflow: hidden;
}
.article-hero::before {
  content: ""; position: absolute; right: -120px; bottom: -120px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(107,176,209,.18) 0%, transparent 70%);
}
.article-hero .container { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; padding: 0 32px; }
.article-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand-l);
  padding: 6px 14px;
  background: rgba(107,176,209,.15);
  border: 1px solid rgba(107,176,209,.35);
  border-radius: 999px;
  margin-bottom: 22px;
}
.article-hero h1 {
  color: #fff;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -.015em;
}
.article-hero h1 em { font-style: italic; font-weight: 300; color: var(--brand-l); }
.article-meta {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.article-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.4); align-self: center; }

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
  margin: 32px 0 0;
}
.article-back svg { width: 14px; height: 14px; transform: rotate(180deg); transition: transform .2s var(--ease); }
.article-back:hover { color: var(--brand); }
.article-back:hover svg { transform: rotate(180deg) translateX(4px); }

.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 32px 80px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-2);
}
.article-body h2 {
  font-size: 24px;
  margin: 48px 0 16px;
  color: var(--ink);
  letter-spacing: -.01em;
}
.article-body h2 em { font-style: italic; color: var(--brand); font-weight: 400; }
.article-body p { margin: 0 0 1.2em; }
.article-body p strong { color: var(--ink); }
.article-body p:first-of-type::first-letter {
  font-size: 56px;
  font-weight: 600;
  float: left;
  line-height: .9;
  padding: 6px 12px 0 0;
  color: var(--brand);
}
.article-body em { font-style: italic; }
.article-body ul { padding-left: 24px; margin: 0 0 1.4em; }
.article-body li { margin-bottom: 8px; }

.article-figure {
  margin: 36px 0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-soft);
}
.article-figure img { width: 100%; display: block; }
.article-figure figcaption {
  padding: 14px 22px;
  font-size: 13px;
  color: var(--ink-3);
  font-style: italic;
  border-top: 1px solid var(--rule);
  background: #fff;
}

.article-quote {
  border-left: 3px solid var(--brand);
  background: var(--bg-soft);
  padding: 22px 28px;
  margin: 36px 0;
  font-size: 18px;
  font-style: italic;
  color: var(--ink);
  border-radius: 0 12px 12px 0;
}

.related-news {
  background: var(--bg-soft);
  padding: 72px 0;
  border-top: 1px solid var(--rule);
}
.related-news .section-head { margin-bottom: 36px; }

@media (max-width: 600px) {
  .article-hero { padding: 60px 0 50px; }
  .article-body { padding: 40px 22px 60px; font-size: 16px; }
  .article-body p:first-of-type::first-letter { font-size: 44px; }
}

/* ============== Contact form ============== */
.form-message {
  margin-bottom: 22px;
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  background: #fff;
  color: var(--ink);
  border: 2px solid rgba(255,255,255,.7);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.form-message-error { background: #fdecec; color: #a02020; border-color: #f5c6cb; }
.form-message-success, .form-message-info { background: #e7f9ed; color: #155724; border-color: #28a745; }

/* Success card — replaces the form after successful submission */
.form-success-card {
  background: #fff;
  border-radius: var(--radius-lg, 20px);
  padding: 56px 48px;
  text-align: center;
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(0,0,0,.25);
  animation: form-success-pop .45s var(--ease, cubic-bezier(.25,.46,.45,.94));
}
@keyframes form-success-pop {
  0%   { opacity: 0; transform: translateY(12px) scale(.97); }
  100% { opacity: 1; transform: translateY(0)    scale(1);    }
}
.form-success-card .form-success-icon {
  width: 84px; height: 84px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4CAF50, #2E7D32);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(46,125,50,.4);
}
.form-success-card .form-success-icon svg {
  width: 44px; height: 44px;
}
.form-success-card h2 {
  font-size: 26px;
  color: var(--brand-d);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.form-success-card p {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}
.form-success-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--brand);
  color: #fff !important;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background .25s var(--ease, ease);
}
.form-success-link:hover { background: var(--brand-d); }

.contact-section {
  background: var(--brand);
  border-radius: 20px;
  padding: 56px 56px 60px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: ""; position: absolute; right: -120px; bottom: -120px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
}
.contact-section h2 {
  color: #fff; font-style: italic; font-weight: 700;
  font-size: 28px; margin-bottom: 28px; position: relative; z-index: 1;
}
.contact-form { position: relative; z-index: 1; }
.contact-form .row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}
.contact-form .field {
  position: relative;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  height: 50px;
}
.contact-form .field svg {
  width: 18px; height: 18px;
  color: var(--ink-3);
  flex-shrink: 0;
}
.contact-form .field input,
.contact-form .field textarea {
  flex: 1;
  border: none; background: transparent; outline: none;
  padding: 0 12px; height: 100%;
  font-family: inherit; font-size: 14.5px;
  color: var(--ink);
}
.contact-form .field input::placeholder,
.contact-form .field textarea::placeholder { color: var(--ink-3); font-style: italic; }
.contact-form .field.textarea {
  height: auto;
  align-items: flex-start;
  padding: 14px;
  margin-bottom: 18px;
}
.contact-form .field.textarea svg { margin-top: 2px; }
.contact-form .field.textarea textarea {
  min-height: 110px;
  resize: vertical;
  padding: 0 12px;
  line-height: 1.5;
}
.contact-form .gdpr {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: rgba(255,255,255,.92);
  margin-bottom: 8px;
}
.contact-form .gdpr input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  accent-color: var(--brand-d);
  flex-shrink: 0;
}
.contact-form .gdpr a, .contact-form .privacy-line a { color: #fff; text-decoration: underline; }
.contact-form .gdpr a:hover, .contact-form .privacy-line a:hover { color: var(--brand-tint); }
.contact-form .privacy-line { font-size: 13.5px; color: rgba(255,255,255,.85); margin-left: 28px; margin-bottom: 22px; }
.contact-form .submit {
  background: #fff;
  color: var(--brand-d) !important;
  border: none;
  padding: 13px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  transition: all .25s var(--ease);
}
.contact-form .submit:hover { background: var(--ink); color: #fff !important; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.contact-form .submit svg { width: 14px; height: 14px; }

@media (max-width: 700px) {
  .contact-section { padding: 36px 24px 40px; border-radius: 14px; }
  .contact-form .row-2 { grid-template-columns: 1fr; }
}

/* ============== Science page banner hero (teal left + cell image right) ============== */
.science-hero {
  position: relative;
  background: var(--brand);
  height: 290px;
  overflow: hidden;
}
.science-hero-bg {
  position: absolute;
  inset: 0 0 0 auto;
  width: 60%;
  background-image: url('img/hero-bg.jpg');
  background-size: cover;
  background-position: center right;
}
.science-hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--brand) 0%, rgba(72,152,185,0.65) 22%, rgba(72,152,185,0) 50%);
}
.science-hero-inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  z-index: 1;
}
.science-hero-content {
  max-width: 560px;
  color: #fff;
}
.science-hero-content h1 {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  letter-spacing: -.01em;
  margin-bottom: 22px;
}
.science-hero-content h1 em { font-style: italic; font-weight: 700; }
.science-hero-platform {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
}
.science-hero-sub {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255,255,255,.92);
  line-height: 1.4;
}
.science-hero-sub em { font-style: italic; }
.science-hero-pill {
  position: absolute;
  right: 0; bottom: 24px;
  background: #fff;
  color: var(--brand-d) !important;
  padding: 8px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  z-index: 2;
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.science-hero-pill:hover { background: var(--brand-d); color: #fff !important; transform: translateY(-2px); }

@media (max-width: 800px) {
  .science-hero { height: auto; min-height: 320px; padding: 36px 0 60px; }
  .science-hero-bg { width: 100%; opacity: .25; }
  .science-hero-bg::before { background: linear-gradient(180deg, var(--brand) 0%, rgba(72,152,185,.85) 100%); }
  .science-hero-inner { flex-direction: column; align-items: flex-start; gap: 22px; }
  .science-hero-content { max-width: 100%; }
  .science-hero-pill { position: static; align-self: flex-start; }
}

/* ============== Platform Overview rich cards (science page) ============== */
.platform-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.p-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  display: flex;
  flex-direction: column;
}
.p-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-l); }
.p-card .p-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-tint);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  align-self: flex-start;
}
.p-card h3 {
  font-size: 19px;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 6px;
}
.p-card h3 em { color: var(--brand); font-style: italic; font-weight: 400; }
.p-card .p-sub {
  font-size: 13px;
  color: var(--ink-3);
  font-style: italic;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.p-card h4 {
  font-size: 15px;
  color: var(--brand-d);
  margin: 16px 0 6px;
}
.p-card h4:first-of-type { margin-top: 0; }
.p-card p { font-size: 14px; color: var(--ink-3); line-height: 1.6; margin: 0; }
.p-card ul.p-list { list-style: none; padding: 0; margin: 0; }
.p-card ul.p-list li {
  font-size: 14px;
  color: var(--ink-2);
  padding: 6px 0 6px 20px;
  position: relative;
  line-height: 1.5;
}
.p-card ul.p-list li::before {
  content: ""; position: absolute; left: 0; top: 14px;
  width: 6px; height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

/* Embedded chart inside Non-Integrative card */
.p-chart {
  margin-top: 22px;
  background: transparent;
}
.p-chart img { width: 100%; display: block; }
.p-chart .p-chart-caption {
  padding: 10px 14px 0;
  font-size: 12px;
  color: var(--ink-3);
  background: transparent;
  text-align: center;
  letter-spacing: .04em;
}

/* Clinical Versatility 4-col row */
.clinical-row {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
}
.clinical-row .clinical-head {
  text-align: center;
  margin-bottom: 30px;
}
.clinical-row .clinical-head .eyebrow { display: inline-block; }
.clinical-row .clinical-head h3 {
  font-size: 22px;
  color: var(--ink);
  margin-top: 8px;
}
.clinical-icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}
.ci-item .ic {
  width: 86px; height: 86px;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-tint);
  border-radius: 50%;
  padding: 14px;
  transition: background .3s var(--ease), transform .3s var(--ease);
}
.ci-item:hover .ic { background: var(--brand); transform: translateY(-4px); }
.ci-item .ic img,
.ci-item .ic svg { max-width: 100%; max-height: 100%; }
.ci-item h4 {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}
.ci-item p {
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 980px) {
  .platform-cards { grid-template-columns: 1fr; }
  .clinical-icons { grid-template-columns: repeat(2, 1fr); gap: 22px 16px; }
}
@media (max-width: 540px) {
  .clinical-icons { grid-template-columns: 1fr; }
  .clinical-row { padding: 28px 22px; }
  .p-card { padding: 26px 22px; }
}

/* ============== Pillars list (inside Targeting Fidelity card) ============== */
.pillars-list { list-style: none; padding: 0; margin: 18px 0 0; }
.pillar-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 18px;
  padding: 18px 0;
  align-items: center;
  border-bottom: 1px solid var(--rule);
}
.pillar-item:last-child { border-bottom: none; }
.pillar-item .pillar-ic {
  width: 64px; height: 64px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--brand-tint);
  display: flex; align-items: center; justify-content: center;
}
.pillar-item .pillar-ic img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.pillar-item h4 {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.3;
}
.pillar-item p {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 540px) {
  .pillar-item { grid-template-columns: 50px 1fr; gap: 14px; }
  .pillar-item .pillar-ic { width: 48px; height: 48px; }
}

/* ============== The Knob — dial + text side by side ============== */
.knob-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  margin: 14px 0 8px;
}
.knob-row img { width: 170px; height: auto; }
.knob-row p {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0;
}
@media (max-width: 540px) {
  .knob-row { grid-template-columns: 1fr; text-align: center; }
  .knob-row img { margin: 0 auto; max-width: 200px; }
}

/* ============== Viral Capsid sphere with HTML overlay text ============== */
.capsid {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.capsid img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
/* Viral capsid — uses viral-capsid.png as background image with HTML text overlay on top */
.capsid-css {
  background-image: url('diagrams/viral-capsid.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}
.capsid-labels {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 0 14%;
  z-index: 2;
}
.capsid-labels h3 {
  font-size: clamp(20px, 2.5vw, 24px);
  color: #fff;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -.005em;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}
.capsid-labels p {
  font-size: clamp(13px, 1.4vw, 15px);
  color: rgba(255,255,255,.95);
  line-height: 1.4;
  margin: 0;
  text-shadow: 0 1px 6px rgba(0,0,0,.55);
}

/* ============== Mobile-friendly fixes ============== */

/* Home: ex-vivo limits — text + comparison cards layout */
.limits-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .limits-grid { grid-template-columns: 1fr; gap: 36px; }
  /* nested compare-grid still 2-col on tablet, then 1-col on small */
  .limits-grid .compare-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .limits-grid .compare-grid { grid-template-columns: 1fr; gap: 16px; }
  .compare-card { padding: 24px 22px; }
  .compare-card h3 { font-size: 18px; margin-bottom: 14px; }
  .compare-card li { padding: 12px 0 12px 28px; font-size: 14px; }
}

/* Science: 2-column fact-grid that collapses gracefully */
.fact-grid-2 { grid-template-columns: 1fr 1fr; }
.fact-grid-2 .fact { border-right: 1px solid rgba(255,255,255,.18); }
.fact-grid-2 .fact:last-child { border-right: none; }
@media (max-width: 700px) {
  .fact-grid-2 {
    grid-template-columns: 1fr;
    padding: 30px 24px;
    gap: 24px;
  }
  .fact-grid-2 .fact {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.18);
    padding: 8px 0 24px;
  }
  .fact-grid-2 .fact:last-child { border-bottom: none; padding-bottom: 8px; }
  .fact-grid-2 .fact .num { font-size: 48px; }
  .fact-grid-2 .fact .num small { font-size: 22px; }
  .fact-grid-2 .fact .lbl { font-size: 11px; }
}

/* Comparison cards inside limits-grid: full width, narrow gap */
.limits-cards {
  grid-template-columns: 1fr 1fr;
  max-width: none;
  gap: 18px;
}
@media (max-width: 600px) {
  .limits-cards { grid-template-columns: 1fr; gap: 14px; }
}