* { box-sizing: border-box; }

:root {
  --ink: #101010;
  --paper: #f2efe5;
  --alarm: #e73323;
  --yellow: #ffd84d;
  --muted: #6d6a61;
  --line: #1b1b1b;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.ticker {
  overflow: hidden;
  background: var(--alarm);
  color: white;
  border-bottom: 4px solid var(--ink);
  font-weight: 800;
  letter-spacing: .06em;
  white-space: nowrap;
}

.ticker-track {
  display: inline-block;
  padding: .65rem 0;
  animation: ticker 22s linear infinite;
}

@keyframes ticker { to { transform: translateX(-50%); } }

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 300px;
  gap: 2.25rem;
  padding: 4.5rem clamp(1.25rem, 5vw, 5rem);
  align-items: start;
  border-bottom: 5px solid var(--ink);
  background:
    linear-gradient(rgba(242,239,229,.94), rgba(242,239,229,.94)),
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(0,0,0,.035) 18px 19px);
}

.seal {
  width: 150px;
  aspect-ratio: 1;
  border: 6px double var(--ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  transform: rotate(-4deg);
  background: var(--yellow);
  box-shadow: 8px 8px 0 var(--ink);
}

.seal span {
  font-family: "Archivo Black", Impact, sans-serif;
  font-size: 2.25rem;
  line-height: 1;
}

.seal small {
  display: block;
  font-weight: 800;
  font-size: .66rem;
  line-height: 1.1;
}

.eyebrow {
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin: 0 0 .9rem;
}

h1, h2 {
  font-family: "Archivo Black", Impact, sans-serif;
  text-transform: uppercase;
  line-height: .95;
  margin: 0;
}

h1 { font-size: clamp(3.5rem, 8vw, 8rem); }
h1 span { color: var(--alarm); }
h2 { font-size: clamp(2.3rem, 5vw, 5rem); }

.dek {
  max-width: 850px;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  margin: 1.75rem 0;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }

.button, button {
  display: inline-block;
  border: 3px solid var(--ink);
  padding: 1rem 1.2rem;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 5px 5px 0 var(--ink);
}

.button:hover, button:hover { transform: translate(2px,2px); box-shadow: 3px 3px 0 var(--ink); }
.primary { background: var(--alarm); color: white; }
.secondary { background: var(--yellow); color: var(--ink); }

.threat-card {
  border: 4px solid var(--ink);
  padding: 1.2rem;
  background: white;
  box-shadow: 8px 8px 0 var(--ink);
}
.threat-card .label { font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
.threat-card strong { font: 2rem "Archivo Black", Impact, sans-serif; color: var(--alarm); }

.meter { height: 26px; border: 3px solid var(--ink); margin: .7rem 0 .25rem; background: #ddd; }
.meter-fill { width: 72%; height: 100%; background: linear-gradient(90deg, #4caf50, #ffd84d 48%, #ff8a2a 70%, #e73323); }
.meter-labels { display:flex; justify-content:space-between; font-size:.55rem; font-weight:800; }

.strip {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border-bottom: 5px solid var(--ink);
}
.strip > div {
  padding: 1.6rem;
  border-right: 3px solid var(--ink);
  background: white;
}
.strip > div:last-child { border-right: 0; }
.strip strong { display:block; font: 2rem "Archivo Black", Impact, sans-serif; }
.strip span { color: var(--muted); }

section { padding: 5rem clamp(1.25rem, 7vw, 7rem); }
.section-heading { max-width: 950px; margin-bottom: 2rem; }
.section-heading > p:last-child { font-size: 1.1rem; }

.video-section { background: var(--ink); color: white; }
.video-frame {
  max-width: 1100px;
  aspect-ratio: 16/9;
  border: 5px solid white;
  box-shadow: 12px 12px 0 var(--alarm);
  background: #202020;
  display: grid;
  place-items: center;
  text-align: center;
}
.video-placeholder { padding: 2rem; }
.play {
  width: 90px; height: 90px; border-radius: 50%;
  border: 4px solid white; display:grid; place-items:center;
  margin: 0 auto 1.5rem; font-size:2rem; padding-left:.3rem;
}
.video-placeholder p { font-weight:800; font-size: clamp(1.2rem,2vw,2rem); }
.video-placeholder small { color:#c8c8c8; }

.decision { border-bottom: 5px solid var(--ink); }
.decision-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; margin-top:2rem; }
.decision-grid article {
  border:4px solid var(--ink); padding:2rem; background:white; box-shadow:8px 8px 0 var(--ink);
}
.decision-grid .big { font: clamp(3rem,7vw,6rem) "Archivo Black", Impact, sans-serif; color:var(--alarm); }
.decision-grid h3 { font-size:1.5rem; margin:.4rem 0; }
.decision-grid a { font-weight:800; }
.decision-grid button { background:var(--yellow); }

.certificate {
  margin: 3rem auto 0;
  max-width: 780px;
  padding: 2.5rem;
  text-align:center;
  border: 10px double var(--ink);
  background:#fffdf4;
}
.certificate strong { display:block; font:4rem "Archivo Black", Impact, sans-serif; }
.hidden { display:none; }

.protocol { background: #f8f6ee; border-bottom:5px solid var(--ink); }
.steps { list-style:none; margin:0; padding:0; max-width:1000px; }
.steps li {
  display:grid; grid-template-columns:110px 1fr; gap:1rem;
  padding:1.6rem 0; border-top:3px solid var(--ink);
}
.steps li:last-child { border-bottom:3px solid var(--ink); }
.steps li > span { font:3rem "Archivo Black", Impact, sans-serif; color:var(--alarm); }
.steps h3 { margin:.2rem 0; font-size:1.45rem; }
.steps p { margin:.3rem 0; }

.science {
  display:grid; grid-template-columns:1.1fr 1fr; gap:3rem;
  background:var(--yellow); border-bottom:5px solid var(--ink);
}
.quote { font-size:clamp(1.3rem,2.1vw,2rem); font-weight:700; max-width:800px; }
.fine { font-size:.8rem; color:#4d4a42; }

.chart {
  align-self:center; border:4px solid var(--ink); background:white;
  padding:1.5rem; box-shadow:8px 8px 0 var(--ink);
}
.bar-row { margin:1.2rem 0; }
.bar-row > span { display:block; font-weight:700; margin-bottom:.3rem; }
.bar { height:22px; border:2px solid var(--ink); background:#eee; }
.bar i { display:block; height:100%; background:var(--alarm); }
.bar-row b { float:right; margin-top:.2rem; font-size:.75rem; }

.faq { background:white; border-bottom:5px solid var(--ink); }
details { max-width:1000px; border-top:2px solid var(--ink); padding:1rem 0; }
details:last-child { border-bottom:2px solid var(--ink); }
summary { cursor:pointer; font-weight:800; font-size:1.15rem; }
details p { margin:.6rem 0 .2rem; font-size:1.1rem; }

.final-warning {
  text-align:center; background:var(--alarm); color:white;
  padding-top:6rem; padding-bottom:6rem;
}
.final-warning h2 { font-size:clamp(3rem,8vw,8rem); }
.final-warning p:not(.eyebrow) { max-width:800px; margin:1.5rem auto 2rem; font-size:1.2rem; }
.final-warning .button { background:white; color:var(--ink); }

footer { padding:2rem clamp(1.25rem,7vw,7rem); background:var(--ink); color:white; }
footer p { margin:.4rem 0; }
footer .fine { color:#aaa; max-width:900px; }

@media (max-width: 950px) {
  .hero { grid-template-columns: 1fr; }
  .seal { width:110px; }
  .threat-card { max-width:500px; }
  .science { grid-template-columns:1fr; }
}

@media (max-width: 700px) {
  .strip, .decision-grid { grid-template-columns:1fr; }
  .strip > div { border-right:0; border-bottom:3px solid var(--ink); }
  .strip > div:last-child { border-bottom:0; }
  .steps li { grid-template-columns:70px 1fr; }
  h1 { font-size: clamp(3rem, 15vw, 5rem); }
}
.video-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  padding: 0;
}

.video-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}