:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #4b5563;
  --subtle: #6b7280;
  --surface: #ffffff;
  --surface-muted: #f3f4f6;
  --border: #e5e7eb;
  --accent: #dc2626;
  --accent-dark: #b91c1c;
  --highlight: #fef3c7;
  --shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  background: #f8f7f4;
  color: var(--ink);
  line-height: 1.7;
}

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

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

a:hover {
  color: var(--accent);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 0 0 4rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 247, 244, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a {
  position: relative;
  padding-bottom: 0.25rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero.hero-underlay {
  position: relative;
  overflow: hidden;
}

.hero.hero-underlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("https://img.youtube.com/vi/HtkthH9W_R0/hqdefault.jpg") center/cover no-repeat;
  opacity: 0.06;
  pointer-events: none;
}

.hero.hero-underlay .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero .manifesto {
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.hero-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--highlight);
  color: #92400e;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: var(--accent);
  color: white;
}

.button.primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(220, 38, 38, 0.2);
}

.button.ghost {
  border-color: var(--border);
  color: var(--muted);
}

.section {
  padding: 3.5rem 0;
}

.section-title {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.card h3 {
  font-size: 1.1rem;
}

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

.card .tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--subtle);
}

.callout {
  background: var(--surface);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--accent);
  padding: 1.5rem;
  color: var(--muted);
}

.feature-list {
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.feature-list li {
  padding-left: 1.5rem;
  position: relative;
}

.feature-list li::before {
  content: "●";
  color: var(--accent);
  position: absolute;
  left: 0;
}

.video-embed {
  margin: 2.5rem 0;
}

.video-embed__frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-embed__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-embed figcaption {
  font-size: 0.9rem;
  color: var(--subtle);
  margin-top: 0.8rem;
}

.resources-hub {
  position: relative;
}

.resources-hub::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("https://img.youtube.com/vi/HtkthH9W_R0/hqdefault.jpg") center/cover repeat;
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
}

.resources-hub > * {
  position: relative;
  z-index: 1;
}

.video-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #92400e;
  background: #fef3c7;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
}

.article {
  padding: 3.5rem 0 4.5rem;
}

.article-hero {
  margin-bottom: 2rem;
}

.article-hero .eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--subtle);
}

.article-hero h1 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  margin: 0.6rem 0 1rem;
}

.article-hero .lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 750px;
}

.article-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  color: var(--subtle);
  font-size: 0.9rem;
  margin-top: 1rem;
}

.article figure {
  margin: 2rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.article figcaption {
  font-size: 0.85rem;
  color: var(--subtle);
  padding: 0.75rem 1rem 0;
}

.article h2 {
  margin-top: 2.5rem;
  font-size: 1.6rem;
}

.article h3 {
  margin-top: 1.5rem;
  font-size: 1.15rem;
}

.article p {
  margin-top: 1rem;
  color: var(--muted);
}

.article ul {
  margin-top: 1rem;
  margin-left: 1.5rem;
  color: var(--muted);
}

.article .related {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.footer {
  background: #111827;
  color: #e5e7eb;
  padding: 2.5rem 0;
  margin-top: 4rem;
}

.footer .footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
}

.footer a {
  color: #e5e7eb;
}

.footer a:hover {
  color: #fca5a5;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .footer .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

label {
  font-weight: 600;
  color: var(--muted);
  margin-top: 0.75rem;
}

input,
textarea {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-family: inherit;
  background: #fff;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}