:root {
  --bg: #070406;
  --panel: rgba(17, 12, 13, 0.88);
  --panel-strong: #12080b;
  --line: rgba(255, 255, 255, 0.14);
  --line-red: rgba(244, 22, 66, 0.45);
  --text: #fff8f4;
  --muted: rgba(255, 248, 244, 0.72);
  --quiet: rgba(255, 248, 244, 0.52);
  --red: #f41642;
  --red-dark: #8d0b20;
  --amber: #f7b35c;
  --mint: #96dec2;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(7, 4, 6, 0.78), #070406 560px),
    url("assets/images/sike-dark-red-noise.png") center top / 900px auto repeat,
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 12% 10%, rgba(244, 22, 66, 0.18), transparent 32%),
    radial-gradient(circle at 88% 20%, rgba(247, 179, 92, 0.12), transparent 28%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: auto, auto, 72px 72px, 72px 72px;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  border-bottom: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  width: 100%;
  padding: 0 max(20px, calc((100vw - var(--max)) / 2));
  background: rgba(7, 4, 6, 0.84);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 112px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 10px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.section-pad {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0;
}

.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: calc(100vh - 76px);
  padding: 120px max(20px, calc((100vw - var(--max)) / 2)) 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(52px, 8vw, 108px);
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow: 0 5px 0 rgba(0, 0, 0, 0.65), 0 0 34px rgba(244, 22, 66, 0.18);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.08;
}

.hero-lede,
.split-heading p,
.story-copy p,
.join-panel p {
  color: var(--muted);
  font-size: 18px;
}

.hero-lede {
  max-width: 620px;
  margin-bottom: 34px;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 4, 6, 0.96), rgba(7, 4, 6, 0.66) 45%, rgba(7, 4, 6, 0.18)),
    linear-gradient(180deg, rgba(7, 4, 6, 0.06), #070406 96%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.hero-actions,
.join-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.support-line,
.visible-support {
  margin: 18px 0 0;
  color: var(--quiet);
  font-size: 14px;
  font-weight: 800;
}

.support-line a,
.visible-support a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(244, 22, 66, 0.7);
  text-underline-offset: 4px;
}

.visible-support {
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(135deg, var(--red), #ff5c76);
  box-shadow: 0 16px 44px rgba(244, 22, 66, 0.32);
}

.button.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.button.ghost:hover {
  border-color: rgba(255, 255, 255, 0.34);
}

.hero-note {
  position: absolute;
  right: max(20px, calc((100vw - var(--max)) / 2));
  bottom: 86px;
  width: 230px;
  margin: 0;
  padding: 22px;
  border: 1px solid var(--line-red);
  border-radius: 22px;
  background: rgba(9, 4, 6, 0.82);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(16px);
}

.hero-note span,
.hero-note strong {
  display: block;
}

.hero-note span {
  color: var(--quiet);
  font-size: 13px;
  font-weight: 800;
}

.hero-note strong {
  margin-top: 6px;
  font-size: 24px;
  line-height: 1;
}

.manifesto {
  border-top: 1px solid var(--line);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.62fr);
  gap: 54px;
}

.knowledge {
  padding-top: 70px;
}

.section-title {
  max-width: 740px;
  margin-bottom: 34px;
}

.section-title.compact {
  max-width: 690px;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.knowledge-card {
  min-height: 310px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
}

.knowledge-card span {
  display: block;
  margin-bottom: 72px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 900;
}

.knowledge-card p,
.value-list p,
.check-list {
  color: var(--muted);
}

.story-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1fr);
  align-items: stretch;
  width: min(var(--max), calc(100% - 40px));
  margin: 28px auto 0;
  overflow: hidden;
  border: 1px solid var(--line-red);
  border-radius: 32px;
  background: var(--panel-strong);
}

.story-image {
  min-height: 560px;
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-copy {
  align-self: center;
  padding: 56px;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--mint);
  content: "✓";
  font-weight: 900;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.value-list article {
  min-height: 230px;
  padding: 34px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.join {
  padding-top: 58px;
}

.join-panel {
  padding: 58px;
  border: 1px solid var(--line-red);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(244, 22, 66, 0.20), transparent 46%),
    rgba(12, 7, 9, 0.92);
}

.join-panel h2 {
  max-width: 840px;
}

.join-panel p {
  max-width: 760px;
}

.legal {
  padding-top: 52px;
}

.support-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-bottom: 18px;
  padding: 30px;
  border: 1px solid var(--line-red);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(244, 22, 66, 0.18), transparent 58%),
    rgba(14, 8, 10, 0.9);
}

.support-card p {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--muted);
}

.support-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-size: 14px;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.05);
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.legal-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.legal-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-red);
  background: rgba(255, 255, 255, 0.055);
}

.legal-card span {
  display: block;
  margin-bottom: 42px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.legal-card p {
  color: var(--muted);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 40px));
  min-height: 104px;
  margin: 0 auto;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  color: var(--quiet);
}

.site-footer div {
  display: grid;
  gap: 4px;
}

.site-footer strong {
  color: var(--text);
  font-size: 18px;
}

.site-footer a {
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-nav {
    gap: 16px;
    font-size: 13px;
  }

  .split-heading,
  .story-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }
  .knowledge-grid {
    grid-template-columns: 1fr;
  }

  .support-card,
  .legal-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-card {
    min-height: 230px;
  }

  .knowledge-card span {
    margin-bottom: 42px;
  }

  .story-image {
    min-height: 420px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
  }

  .brand img {
    width: 88px;
  }

  .site-nav {
    gap: 10px;
  }

  .site-nav a {
    padding: 8px 0;
  }

  .section-pad {
    width: min(100% - 28px, var(--max));
    padding: 72px 0;
  }

  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 36px;
  }

  .hero-lede,
  .split-heading p,
  .story-copy p,
  .join-panel p {
    font-size: 16px;
  }

  .hero {
    min-height: 760px;
    padding: 104px 14px 52px;
  }

  .hero-media::after {
    background:
      linear-gradient(180deg, rgba(7, 4, 6, 0.34), rgba(7, 4, 6, 0.88) 54%, #070406 97%),
      linear-gradient(90deg, rgba(7, 4, 6, 0.72), rgba(7, 4, 6, 0.18));
  }

  .hero-note {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: 250px;
    margin-top: 26px;
    padding: 18px;
  }

  .story-band,
  .join-panel {
    width: min(100% - 28px, var(--max));
    border-radius: 24px;
  }

  .story-copy,
  .join-panel {
    padding: 30px;
  }

  .value-list {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    width: min(100% - 28px, var(--max));
  }

  .footer-links {
    justify-content: flex-start;
  }
}