:root {
  --ink: #1b1d20;
  --muted: #5f6670;
  --line: #d9ded6;
  --paper: #f7f8f2;
  --white: #ffffff;
  --green: #1f6f56;
  --acid: #b8d947;
  --rust: #b95034;
  --steel: #2f4f68;
  --shadow: 0 20px 60px rgba(27, 29, 32, 0.13);
}

* {
  box-sizing: border-box;
}

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

a {
  color: var(--green);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 248, 242, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 22px;
  height: 22px;
  display: inline-block;
  background:
    linear-gradient(90deg, transparent 44%, var(--ink) 44% 56%, transparent 56%),
    linear-gradient(var(--acid), var(--acid));
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.hero {
  background:
    linear-gradient(135deg, rgba(31, 111, 86, 0.96), rgba(47, 79, 104, 0.94)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 88px);
  color: var(--white);
}

.hero-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 72vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: 48px;
  align-items: center;
  padding: 72px 0 88px;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin: 26px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  color: rgba(255, 255, 255, 0.88);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--rust);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--acid);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: var(--ink);
  background: var(--acid);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  width: min(100%, 420px);
  display: block;
  margin-left: auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.band {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.compact {
  padding: 20px 0;
}

.summary-grid {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.summary-grid article {
  min-height: 94px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.summary-grid strong,
.summary-grid span {
  display: block;
}

.summary-grid span {
  margin-top: 5px;
  color: var(--muted);
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.material {
  padding-bottom: 28px;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.material-grid a {
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
}

.material-grid strong {
  font-size: 1.08rem;
}

.material-grid span {
  color: var(--muted);
}

.page-hero {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 36px;
}

.page-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead.dark {
  color: var(--muted);
}

.letter {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto 72px;
  padding: 42px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.letter p,
.letter li {
  font-size: 1.08rem;
}

.letter li {
  margin-bottom: 10px;
}

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

.share-assets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
}

.asset-preview {
  padding: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.asset-preview img {
  width: 100%;
  display: block;
  border-radius: 6px;
}

.asset-preview a {
  display: inline-block;
  margin-top: 12px;
  font-weight: 800;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
}

.post-grid article {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.post-grid h2 {
  font-size: 1.8rem;
}

.rendered-videos {
  border-bottom: 1px solid var(--line);
}

.rendered-video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.rendered-video-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.rendered-video-card video {
  width: 100%;
  display: block;
  aspect-ratio: 9 / 16;
  background: var(--ink);
}

.rendered-video-card div {
  padding: 18px;
}

.rendered-video-card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  line-height: 1.15;
}

.rendered-video-card a {
  font-weight: 800;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-top: 24px;
}

.video-card {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.video-card img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 6px;
}

.video-card h2 {
  margin: 0 0 8px;
  font-size: 1.6rem;
}

.video-card p:not(.eyebrow) {
  margin: 0 0 12px;
  color: var(--muted);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.fact-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.fact-number {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-weight: 800;
}

.fact-card h3 {
  margin: 24px 0 8px;
  font-size: 1.25rem;
  line-height: 1.15;
}

.fact-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.fact-card a {
  margin-top: auto;
  font-weight: 700;
}

.emphasis {
  width: 100%;
  max-width: none;
  padding: 72px max(16px, calc((100% - 1120px) / 2));
  background: var(--ink);
  color: var(--white);
}

.slogan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.slogan-grid p {
  min-height: 154px;
  margin: 0;
  display: flex;
  align-items: flex-end;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: var(--acid);
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.05;
}

.question-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: questions;
}

.question-list li {
  counter-increment: questions;
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  min-height: 72px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1.08rem;
}

.question-list li::before {
  content: counter(questions, decimal-leading-zero);
  color: var(--rust);
  font-weight: 900;
}

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

.demand-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.demand-list article {
  padding: 22px;
  background: var(--green);
  color: var(--white);
  border-radius: 8px;
}

.demand-list h3 {
  margin: 0 0 10px;
}

.demand-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
}

.sources {
  padding-top: 24px;
}

.source-list {
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 40px;
  list-style: none;
}

.source-list li {
  break-inside: avoid;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero-inner,
  .summary-grid,
  .fact-grid,
  .material-grid,
  .share-assets,
  .post-grid,
  .rendered-video-grid,
  .video-grid,
  .slogan-grid,
  .demand-list {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
    padding: 56px 0 64px;
  }

  .fact-card {
    min-height: 0;
  }

  .hero-visual img {
    margin: 0;
  }

  .video-card {
    grid-template-columns: 96px 1fr;
  }

  .source-list {
    columns: 1;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 52px 0;
  }

  .hero h1 {
    font-size: 3.1rem;
  }

  .hero-actions,
  .footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}