@font-face {
  font-family: "Atkinson";
  src: url("fonts/atkinson.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --anil: #1f4e9c;
  --anil-deep: #163a76;
  --anil-night: #0f2a57;
  --anil-soft: #e7eef9;
  --ipe: #f2b705;
  --ipe-soft: #fdf3cf;
  --mata: #2e7d4f;
  --mata-soft: #e5f2ea;
  --barro: #b3412e;
  --cal: #fbfcfa;
  --tinta: #18213a;
  --pedra: #5b6478;
  --linha: #dfe3ea;
  --bg: #ffffff;
  --text: var(--tinta);
  --muted: var(--pedra);
  --surface: var(--anil-soft);
  --rule: var(--linha);
  --stat: var(--barro);
  --accent-text: var(--anil);
  --gutter: clamp(16px, 5vw, 64px);
  --max: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1a33;
    --text: #eef2f8;
    --muted: #b6c0d3;
    --surface: #15274a;
    --rule: #263a63;
    --stat: #ff8f75;
    --accent-text: #9dbcff;
  }
}

:root[data-theme="dark"] {
  --bg: #0d1a33;
  --text: #eef2f8;
  --muted: #b6c0d3;
  --surface: #15274a;
  --rule: #263a63;
  --stat: #ff8f75;
  --accent-text: #9dbcff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Atkinson", system-ui, sans-serif;
  font-size: 19px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: -0.015em; }
h2 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; max-width: 22ch; }
h3 { font-size: 22px; font-weight: 800; }
p { margin: 0; }
a { color: inherit; }
video { display: block; width: 100%; height: auto; background: var(--anil-night); }
figure { margin: 0; }

:focus-visible { outline: 3px solid var(--ipe); outline-offset: 3px; border-radius: 6px; }

.brand { text-decoration: none; font-weight: 800; font-size: 26px; letter-spacing: -0.02em; white-space: nowrap; }
.brand-bora { color: var(--accent-text); }
.brand-juntar { color: var(--ipe); }

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px var(--gutter);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.top nav { display: flex; gap: 22px; margin-left: auto; }
.top nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 17px; }
.top nav a:hover { color: var(--text); }

.btn {
  display: inline-block;
  background: var(--ipe);
  color: var(--tinta);
  font-weight: 800;
  text-decoration: none;
  padding: 16px 26px;
  border-radius: 14px;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { background: #ffc81a; transform: translateY(-1px); }
.btn-small { padding: 10px 18px; font-size: 17px; border-radius: 12px; }
.btn-big { font-size: 22px; padding: 20px 32px; }

.bunting { display: block; width: 100%; height: 64px; }
.bunting .bunting-line { stroke: rgba(255, 255, 255, 0.5); stroke-width: 1.5; fill: none; }
.bunting-dark .bunting-line { stroke: var(--muted); stroke-opacity: 0.6; }

.hero { background: var(--anil-deep); color: #fff; padding-bottom: clamp(48px, 7vw, 96px); }
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px) var(--gutter) 0;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.hero h1 { font-size: clamp(36px, 5.2vw, 64px); font-weight: 800; max-width: 17ch; }
.lead { margin-top: 22px; font-size: clamp(19px, 1.7vw, 22px); color: #d8e2f5; max-width: 46ch; }
.hero-cta { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.link-light { color: #fff; font-weight: 700; text-underline-offset: 5px; }
.hero-media { justify-self: center; width: min(100%, 380px); }
.hero-media video { border-radius: 28px; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55); }

section > h2, .problem, .who, .safety, .stories, .maker { max-width: var(--max); margin-left: auto; margin-right: auto; }

.problem { padding: clamp(56px, 8vw, 104px) var(--gutter) clamp(40px, 6vw, 72px); }
.facts {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--text);
}
.fact { padding: 22px 24px 8px 0; display: flex; flex-direction: column; gap: 6px; }
.fact + .fact { padding-left: 24px; border-left: 1px solid var(--rule); }
.fact strong { font-size: clamp(36px, 4.4vw, 56px); font-weight: 800; color: var(--stat); line-height: 1; letter-spacing: -0.02em; }
.fact span { color: var(--muted); max-width: 30ch; }
.problem-text { margin-top: 36px; font-size: clamp(20px, 2vw, 24px); max-width: 52ch; }
.sources { margin-top: 18px; font-size: 15px; color: var(--muted); }

.how { background: var(--surface); padding-bottom: clamp(56px, 8vw, 104px); }
.how > h2 { padding: 24px var(--gutter) 0; }
.steps {
  list-style: none;
  max-width: var(--max);
  margin: 36px auto 0;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step { counter-increment: step; display: flex; flex-direction: column; gap: 14px; }
.step video { border-radius: 14px; }
.step h3::before { content: counter(step) ". "; color: var(--accent-text); }
.step p { color: var(--muted); }

.who { padding: clamp(56px, 8vw, 104px) var(--gutter); }
.who-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 2px solid var(--text);
}
.who-grid article { padding: 24px 22px 8px 0; display: flex; flex-direction: column; gap: 10px; }
.who-grid article p { color: var(--muted); }
.who-grid .who-main {
  grid-column: 1 / -1;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 12px 40px;
  align-items: start;
}
.who-main h3 { font-size: clamp(30px, 3.4vw, 40px); color: var(--accent-text); }
.who-main p { font-size: 21px; color: var(--text) !important; }
.who-main .tag { grid-column: 2; font-size: 16px; font-weight: 700; color: var(--mata) !important; }
.who-grid article:not(.who-main) + article:not(.who-main) { padding-left: 22px; border-left: 1px solid var(--rule); }

.panel { background: var(--anil-night); color: #fff; padding: clamp(56px, 8vw, 104px) 0; }
.panel-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.checks { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-direction: column; gap: 14px; }
.checks li { padding-left: 34px; position: relative; color: #d8e2f5; }
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--mata);
  box-shadow: inset 0 0 0 5px var(--anil-night), inset 0 0 0 9px var(--mata);
}
.panel-media video { border-radius: 14px; }

.safety { padding: clamp(56px, 8vw, 104px) var(--gutter); }
.safety-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 48px;
}
.safety-list li { padding: 16px 0; border-top: 1px solid var(--rule); color: var(--muted); }
.safety-list strong { color: var(--text); }

.stories { padding: 0 var(--gutter) clamp(56px, 8vw, 104px); }
.note { margin-top: 10px; color: var(--muted); font-size: 16px; }
.story-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.story {
  margin: 0;
  padding: 26px 26px 28px;
  background: var(--ipe-soft);
  color: var(--tinta);
  border-radius: 4px 22px 22px 22px;
  font-size: 18px;
}

.pilot { background: var(--anil); color: #fff; padding-bottom: clamp(56px, 8vw, 96px); }
.pilot-inner { max-width: 820px; margin: 0 auto; padding: 24px var(--gutter) 0; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.pilot h2 { max-width: 20ch; }
.pilot p { color: #e3eaf7; max-width: 52ch; }
.pilot-small { font-size: 16px; }

.maker { padding: clamp(40px, 6vw, 72px) var(--gutter); }
.maker p { margin-top: 12px; color: var(--muted); }
.maker-links { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 10px 24px; }
.maker-links a { color: var(--accent-text); font-weight: 700; text-underline-offset: 4px; }

.foot {
  border-top: 1px solid var(--rule);
  padding: 24px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  color: var(--muted);
  font-size: 16px;
}
.foot .brand { font-size: 20px; }

@media (max-width: 900px) {
  .top nav { display: none; }
  .top .btn-small { margin-left: auto; }
  .hero-inner, .panel-inner { grid-template-columns: 1fr; }
  .facts, .steps, .story-grid { grid-template-columns: 1fr; }
  .fact + .fact { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
  .who-grid { grid-template-columns: 1fr 1fr; }
  .who-grid .who-main { grid-template-columns: 1fr; }
  .who-main .tag { grid-column: 1; }
  .who-grid article:not(.who-main) + article:not(.who-main) { padding-left: 0; border-left: 0; }
  .who-grid article:not(.who-main):nth-child(odd) { padding-left: 16px; border-left: 1px solid var(--rule); }
  .safety-list { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 520px) {
  body { font-size: 18px; }
  .who-grid { grid-template-columns: 1fr; }
  .who-grid article:not(.who-main):nth-child(odd) { padding-left: 0; border-left: 0; }
  .who-grid article { border-bottom: 1px solid var(--rule); padding-bottom: 20px; }
  .brand { font-size: 22px; }
  .btn-big { font-size: 19px; padding: 18px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}