:root {
  --green-950: #0f3a6d;
  --green-800: #15588d;
  --green-600: #2b87bd;
  --green-100: #dff3fb;
  --green-50: #f1faff;
  --blue-700: #123d70;
  --blue-50: #e8f7fc;
  --ink: #152c44;
  --muted: #566d80;
  --line: #d7eaf4;
  --paper: #ffffff;
  --wash: #f6fbfe;
  --shadow: 0 18px 50px rgba(15, 58, 109, .13);
  --radius: 8px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--wash);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { color: var(--muted); }
h1, h2, h3 { margin: 0; line-height: 1.12; color: var(--green-950); }
h1 { font-size: clamp(2.25rem, 5.4vw, 4.6rem); letter-spacing: 0; }
h2 { font-size: clamp(1.7rem, 3vw, 2.55rem); }
h3 { font-size: 1.15rem; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.section { padding: clamp(54px, 7vw, 92px) 0; }
.tint { background: var(--green-50); }
.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--green-600);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.lead { max-width: 68ch; font-size: clamp(1.02rem, 1.45vw, 1.2rem); }
.section-head { max-width: 760px; margin-bottom: 34px; }
.center { text-align: center; margin-inline: auto; }
.muted { color: var(--muted); }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 850; color: var(--green-950); }
.brand img { width: 96px; height: auto; }
.brand span { display: grid; font-size: 1rem; }
.brand small { color: var(--muted); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { padding: 10px 12px; border-radius: var(--radius); color: #20384f; font-size: .92rem; font-weight: 650; }
.nav-links a:hover, .nav-links a.active { background: var(--green-100); color: var(--green-800); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 0; background: var(--green-100); border-radius: var(--radius); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--green-950); margin: 5px auto; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 11px 18px; border-radius: var(--radius);
  border: 1px solid transparent; font-weight: 800;
}
.btn-primary { background: var(--green-600); color: white; box-shadow: 0 10px 26px rgba(43,135,189,.24); }
.btn-primary:hover { background: var(--green-800); }
.btn-soft { background: white; border-color: var(--line); color: var(--green-950); }
.btn-soft:hover { border-color: var(--green-600); color: var(--green-800); }

.hero {
  position: relative;
  padding: clamp(50px, 8vw, 96px) 0 34px;
  background:
    radial-gradient(circle at 82% 18%, rgba(43,135,189,.18), transparent 30%),
    linear-gradient(145deg, #eaf8fd 0%, #fff 58%, #eef9fd 100%);
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(34px, 6vw, 76px); align-items: center; }
.hero h1 { max-width: 12ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-media { position: relative; min-height: 430px; }
.hero-media .main-img {
  width: 88%; height: 420px; margin-left: auto; object-fit: cover;
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.metric-panel {
  position: absolute; left: 0; bottom: 22px; width: min(420px, 86%);
  background: rgba(255,255,255,.95); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px;
}
.metric { display: grid; grid-template-columns: 104px 1fr; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.metric:last-child { border-bottom: 0; }
.metric strong { color: var(--green-800); font-size: 1.45rem; line-height: 1; }
.metric span { color: var(--muted); font-size: .88rem; }

.strip { background: white; border-block: 1px solid var(--line); }
.strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.strip-item { background: white; padding: 20px; }
.strip-item strong { display: block; color: var(--green-950); }
.strip-item span { color: var(--muted); font-size: .86rem; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 60px); align-items: center; }
.card, .product, .callout {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(15,58,109,.04);
}
.card { padding: 24px; }
.card.media { padding: 0; overflow: hidden; }
.card.media img { width: 100%; height: 230px; object-fit: cover; }
.card.media div { padding: 22px; }
.card p:last-child { margin-bottom: 0; }
.tag, .pill {
  display: inline-flex; align-items: center; min-height: 28px; padding: 4px 10px;
  border-radius: var(--radius); background: var(--green-100); color: var(--green-800);
  font-size: .72rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase;
}
.callout { padding: 24px; border-left: 5px solid var(--green-600); }

.diagram-section {
  padding: 34px 0 70px;
  background:
    radial-gradient(circle at 8% 10%, rgba(255,255,255,.9) 0 2px, transparent 3px) 0 0 / 16px 16px,
    linear-gradient(180deg, #eaf8fc 0%, #f8fdff 38%, #ffffff 100%);
}
.diagram-frame {
  max-width: 1120px;
  margin: 0 auto;
  border: 1px solid #d2edf6;
  border-radius: 8px;
  background: white;
  box-shadow: 0 22px 64px rgba(18,61,112,.14);
  overflow: hidden;
}
.diagram-frame img {
  width: 100%;
  height: auto;
}

.campaign-section {
  padding: clamp(42px, 6vw, 78px) 0;
  background:
    radial-gradient(circle at 10% 12%, rgba(255,255,255,.92) 0 2px, transparent 3px) 0 0 / 18px 18px,
    linear-gradient(180deg, #eaf8fc 0%, #f8fdff 100%);
}
.campaign-section.white {
  background: #fff;
}
.campaign-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}
.campaign-intro .section-head {
  margin-bottom: 0;
}
.campaign-intro p {
  max-width: 38ch;
}
.campaign-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.campaign-shot {
  margin: 0;
  border: 1px solid #d2edf6;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 22px 64px rgba(18,61,112,.12);
}
.campaign-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.campaign-shot.tall img {
  object-fit: contain;
  background: #eef9fd;
}

.fb-infographic {
  padding: 34px 0 78px;
  background:
    radial-gradient(circle at 8% 14%, rgba(255,255,255,.9) 0 2px, transparent 3px) 0 0 / 16px 16px,
    linear-gradient(180deg, #eaf8fc 0%, #f7fcfd 48%, #ffffff 48%, #ffffff 100%);
}
.fb-poster {
  position: relative;
  max-width: 1080px;
  min-height: 1180px;
  margin: 0 auto;
  padding: 64px 74px 34px;
  background:
    radial-gradient(circle at 8% 18%, rgba(116,194,220,.22), transparent 18%),
    linear-gradient(180deg, #eaf8fc 0%, #eaf8fc 23%, #ffffff 23%, #ffffff 100%);
  border: 1px solid #d6eef5;
  box-shadow: 0 20px 60px rgba(20,61,112,.14);
  overflow: hidden;
}
.fb-poster:before {
  content: "";
  position: absolute;
  top: -92px;
  right: -60px;
  width: 380px;
  height: 180px;
  border: 7px solid #3a91c9;
  border-left-color: transparent;
  border-bottom-color: #20c793;
  border-radius: 50%;
  transform: rotate(7deg);
}
.fb-logo {
  position: absolute;
  top: 28px;
  right: 42px;
  width: 185px;
  z-index: 2;
}
.fb-title {
  position: relative;
  z-index: 1;
  margin-right: 190px;
  text-transform: uppercase;
}
.fb-title span {
  display: block;
  color: #143d70;
  font-size: clamp(3rem, 7vw, 4.95rem);
  font-weight: 900;
  line-height: .9;
  letter-spacing: 1px;
  text-shadow:
    -2px -2px 0 #143d70,
    2px -2px 0 #143d70,
    -2px 2px 0 #143d70,
    2px 2px 0 #143d70,
    7px 6px 0 rgba(20,61,112,.18);
  -webkit-text-fill-color: #dff3fa;
}
.fb-title h1 {
  margin-top: 18px;
  max-width: none;
  color: #143d70;
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 900;
  letter-spacing: 0;
}
.fb-title b { color: #c72c3a; }
.fb-ribbon {
  position: relative;
  z-index: 1;
  margin: 28px 0 30px;
  padding: 16px 28px;
  border-radius: 8px;
  background: #73c6df;
  color: white;
  text-align: center;
  font-size: clamp(1rem, 2.1vw, 1.65rem);
  font-weight: 850;
}
.fb-stage {
  position: relative;
  min-height: 760px;
  background:
    radial-gradient(ellipse at 38% 8%, rgba(230,230,230,.65), transparent 36%),
    #ffffff;
}
.fb-arrows {
  position: absolute;
  inset: 24px 0 0 0;
  width: 100%;
  height: 720px;
}
.fb-arrows path {
  fill: none;
  stroke: #c7c7c7;
  stroke-width: 6;
  stroke-linecap: round;
  opacity: .86;
}
.fb-infected {
  position: absolute;
  left: 0;
  top: 168px;
  width: 218px;
}
.fb-infected svg { width: 150px; }
.fb-infected h3,
.fb-virus-note h3,
.fb-label h3 {
  color: #143d70;
  font-size: 1.17rem;
  margin-bottom: 4px;
}
.fb-infected p,
.fb-virus-note p,
.fb-label p {
  margin: 0;
  color: #3f3f3f;
  font-size: 1rem;
  line-height: 1.18;
}
.particle-cloud {
  position: absolute;
  width: 150px;
  height: 110px;
}
.cloud-a { left: 420px; top: 80px; }
.cloud-b { left: 370px; top: 300px; }
.particle-cloud i {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #626262;
}
.particle-cloud i:nth-child(odd) { width: 15px; height: 15px; background: #e31327; }
.particle-cloud i:nth-child(1) { left: 8px; top: 35px; }
.particle-cloud i:nth-child(2) { left: 38px; top: 20px; }
.particle-cloud i:nth-child(3) { left: 60px; top: 58px; }
.particle-cloud i:nth-child(4) { left: 82px; top: 12px; }
.particle-cloud i:nth-child(5) { left: 104px; top: 36px; }
.particle-cloud i:nth-child(6) { left: 126px; top: 70px; }
.particle-cloud i:nth-child(7) { left: 28px; top: 84px; }
.particle-cloud i:nth-child(8) { left: 72px; top: 88px; }
.particle-cloud i:nth-child(9) { left: 115px; top: 6px; }
.fb-label {
  position: absolute;
  width: 260px;
}
.label-air { left: 595px; top: 88px; }
.label-droplet { left: 405px; top: 255px; }
.hand-virus {
  position: absolute;
  left: 395px;
  top: 425px;
  width: 168px;
}
.fb-objects {
  position: absolute;
  left: 0;
  top: 555px;
  display: grid;
  grid-template-columns: repeat(2, 72px);
  gap: 18px 24px;
  color: #143d70;
}
.fb-objects span { position: relative; width: 72px; height: 58px; }
.obj-screen:before { content: ""; position: absolute; inset: 8px 2px 14px; border: 8px solid #143d70; border-radius: 4px; }
.obj-screen:after { content: ""; position: absolute; width: 20px; height: 32px; right: 8px; bottom: 4px; border: 6px solid #143d70; border-radius: 4px; background: white; }
.obj-bear:before { content: ""; position: absolute; left: 17px; top: 16px; width: 40px; height: 38px; border-radius: 45%; background: #143d70; box-shadow: -14px -10px 0 -4px #143d70, 14px -10px 0 -4px #143d70; }
.obj-bear:after { content: ""; position: absolute; left: 27px; top: 3px; width: 22px; height: 22px; border-radius: 50%; background: #143d70; }
.obj-bin:before { content: ""; position: absolute; left: 14px; top: 20px; width: 44px; height: 34px; border: 7px solid #143d70; border-top: 0; border-radius: 0 0 6px 6px; }
.obj-bin:after { content: ""; position: absolute; left: 10px; top: 12px; width: 52px; height: 8px; background: #143d70; border-radius: 8px; }
.obj-coins:before { content: ""; position: absolute; left: 8px; top: 20px; width: 38px; height: 28px; border: 7px solid #143d70; border-radius: 50%; }
.obj-coins:after { content: "$"; position: absolute; right: 4px; top: 4px; width: 38px; height: 38px; border-radius: 50%; background: #73c6df; color: white; display: grid; place-items: center; font-weight: 900; }
.fb-virus-note {
  position: absolute;
  left: 0;
  top: 700px;
  width: 285px;
}
.fb-route {
  position: absolute;
  color: #d51d2b;
  font-size: 1.4rem;
  font-weight: 900;
  font-style: italic;
  text-shadow: 0 1px 0 #fff;
}
.route-airborne { right: 72px; top: 245px; transform: rotate(48deg); }
.route-droplet { right: 178px; top: 390px; transform: rotate(37deg); }
.route-direct { right: 230px; top: 540px; transform: rotate(28deg); }
.route-indirect { right: 270px; top: 690px; transform: rotate(-6deg); }
.fb-family {
  position: absolute;
  right: 0;
  top: 500px;
  width: 220px;
  text-align: center;
}
.fb-family svg { width: 180px; margin-left: auto; }
.fb-family h3 {
  color: #d51d2b;
  font-size: 1.45rem;
  line-height: 1.05;
}
.fb-footer-line {
  height: 10px;
  margin-top: 28px;
  background: linear-gradient(90deg, #143d70 0 78%, #73c6df 78% 100%);
}

.transfer-map {
  position: relative;
  min-height: 660px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 48%, rgba(47,139,85,.12), transparent 17%),
    radial-gradient(circle at 18% 18%, rgba(33,103,131,.10), transparent 18%),
    linear-gradient(135deg, #ffffff 0%, #f5fbf7 100%);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.transfer-map:before,
.transfer-map:after {
  content: "";
  position: absolute;
  inset: 88px 130px;
  border: 2px dashed rgba(47,139,85,.28);
  border-radius: 50%;
  pointer-events: none;
}
.transfer-map:after {
  inset: 170px 250px;
  border-color: rgba(33,103,131,.25);
}
.transfer-source,
.transfer-host,
.route {
  position: absolute;
  z-index: 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.94);
  box-shadow: 0 16px 34px rgba(14,47,30,.10);
  padding: 18px;
}
.transfer-source {
  left: 50%;
  top: 50%;
  width: 260px;
  min-height: 250px;
  transform: translate(-50%, -50%);
  text-align: center;
  border-color: rgba(47,139,85,.35);
}
.person-icon {
  width: 86px;
  height: 108px;
  margin: 0 auto 14px;
  position: relative;
}
.person-icon:before {
  content: "";
  position: absolute;
  left: 25px;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--green-800);
}
.person-icon:after {
  content: "";
  position: absolute;
  left: 13px;
  top: 44px;
  width: 60px;
  height: 64px;
  border-radius: 26px 26px 8px 8px;
  background: linear-gradient(180deg, var(--green-600), var(--green-800));
}
.person-icon span,
.person-icon span:before,
.person-icon span:after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(33,103,131,.32);
}
.person-icon span {
  right: -6px;
  top: 24px;
  width: 10px;
  height: 10px;
}
.person-icon span:before {
  right: -18px;
  top: -13px;
  width: 7px;
  height: 7px;
}
.person-icon span:after {
  right: -28px;
  top: 9px;
  width: 12px;
  height: 12px;
}
.route {
  width: 248px;
}
.route:before {
  content: "";
  position: absolute;
  width: 160px;
  height: 2px;
  background: linear-gradient(90deg, rgba(47,139,85,.05), rgba(47,139,85,.72));
  transform-origin: right center;
}
.route:after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-top: 2px solid rgba(47,139,85,.72);
  border-right: 2px solid rgba(47,139,85,.72);
}
.route-air { left: 8%; top: 10%; }
.route-direct { right: 8%; top: 12%; }
.route-surface { left: 8%; bottom: 12%; }
.route-fecal { right: 8%; bottom: 12%; }
.route-air:before { right: -138px; top: 86px; transform: rotate(23deg); }
.route-direct:before { left: -138px; top: 86px; transform: rotate(157deg); }
.route-surface:before { right: -138px; top: 40px; transform: rotate(-23deg); }
.route-fecal:before { left: -138px; top: 40px; transform: rotate(203deg); }
.route-air:after { right: -143px; top: 118px; transform: rotate(68deg); }
.route-direct:after { left: -143px; top: 118px; transform: rotate(248deg); }
.route-surface:after { right: -143px; top: 8px; transform: rotate(22deg); }
.route-fecal:after { left: -143px; top: 8px; transform: rotate(202deg); }
.route-num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue-700);
  font-weight: 900;
  font-size: .8rem;
}
.transfer-host {
  left: 50%;
  bottom: 26px;
  width: min(430px, calc(100% - 40px));
  transform: translateX(-50%);
  text-align: center;
  background: var(--green-950);
}
.transfer-host h3 { color: white; }
.transfer-host p { color: rgba(255,255,255,.78); }
.break-chain {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 22px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.break-chain div {
  background: white;
  padding: 18px;
}
.break-chain b {
  display: block;
  color: var(--green-950);
  font-size: 1rem;
  margin-bottom: 4px;
}
.break-chain span {
  color: var(--muted);
  font-size: .9rem;
}

.steps { counter-reset: item; }
.step { position: relative; padding: 24px; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.step:before {
  counter-increment: item; content: counter(item, decimal-leading-zero);
  display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px;
  border-radius: var(--radius); background: var(--green-800); color: white; font-weight: 900;
}

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
table { width: 100%; min-width: 760px; border-collapse: collapse; background: white; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--green-950); color: white; font-size: .82rem; }
td:first-child { font-weight: 800; color: var(--green-950); }
.win { background: #f0faf3; color: #1f663d; font-weight: 750; }

.product { overflow: hidden; display: grid; grid-template-rows: auto 1fr auto; }
.product figure { margin: 0; background: #f2f6f3; min-height: 220px; display: grid; place-items: center; padding: 18px; }
.product img { max-height: 240px; object-fit: contain; }
.product .body { padding: 22px; }
.product .foot { padding: 18px 22px; border-top: 1px solid var(--line); background: #fbfcfb; }
.spec-list { margin: 18px 0 0; padding: 0; list-style: none; }
.spec-list li { display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.spec-list b { color: var(--green-950); }

.faq { display: grid; gap: 12px; max-width: 880px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: white; overflow: hidden; }
.faq-q { width: 100%; padding: 18px 20px; border: 0; background: white; display: flex; justify-content: space-between; text-align: left; font: inherit; font-weight: 850; color: var(--green-950); cursor: pointer; }
.faq-a { display: none; padding: 0 20px 18px; }
.faq-item.open .faq-a { display: block; }

.cta {
  padding: clamp(34px, 5vw, 58px); border-radius: var(--radius);
  background: linear-gradient(135deg, var(--green-950), var(--green-600));
  color: white; text-align: center;
}
.cta h2 { color: white; }
.cta p { color: rgba(255,255,255,.82); margin-inline: auto; }

.site-footer { background: var(--green-950); color: rgba(255,255,255,.75); padding: 54px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.35fr; gap: 28px; }
.site-footer h3, .site-footer h4 { color: white; }
.site-footer h3 .company-reg { font-size: .68em; font-weight: 600; color: rgba(255,255,255,.62); white-space: nowrap; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.75); }
.site-footer a { display: block; padding: 5px 0; }
.footer-bottom { margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.14); font-size: .84rem; color: rgba(255,255,255,.52); }

.reveal { opacity: 0; transform: translateY(16px); transition: .55s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 74px 0 auto 0; flex-direction: column; align-items: stretch;
    padding: 14px 20px 22px; background: white; border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform .25s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero h1 { max-width: 15ch; }
  .strip .wrap, .grid-4, .grid-3, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .transfer-map { display: grid; gap: 14px; min-height: 0; padding: 16px; }
  .transfer-map:before, .transfer-map:after, .route:before, .route:after { display: none; }
  .transfer-source, .transfer-host, .route {
    position: static;
    width: auto;
    transform: none;
  }
  .transfer-source { min-height: 0; }
  .break-chain { grid-template-columns: repeat(2, 1fr); }
  .campaign-intro {
    display: block;
  }
  .campaign-grid {
    grid-template-columns: 1fr;
  }
  .fb-poster {
    min-height: 0;
    padding: 36px 24px 24px;
  }
  .fb-logo {
    position: static;
    width: 150px;
    margin-left: auto;
    margin-bottom: 20px;
  }
  .fb-title { margin-right: 0; }
  .fb-stage {
    display: grid;
    gap: 16px;
    min-height: 0;
  }
  .fb-arrows,
  .particle-cloud,
  .hand-virus,
  .fb-objects,
  .fb-route {
    display: none;
  }
  .fb-infected,
  .fb-label,
  .fb-virus-note,
  .fb-family {
    position: static;
    width: auto;
    text-align: left;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: white;
  }
  .fb-family svg { margin: 0; }
}
@media (max-width: 620px) {
  .wrap { width: min(100% - 28px, var(--max)); }
  .grid-2, .grid-3, .grid-4, .strip .wrap, .footer-grid { grid-template-columns: 1fr; }
  .hero-media { min-height: 0; }
  .hero-media .main-img { width: 100%; height: 300px; }
  .metric-panel { position: static; width: 100%; margin-top: 14px; }
  .metric { grid-template-columns: 1fr; }
  .break-chain { grid-template-columns: 1fr; }
}