:root {
  --ink: #171717;
  --muted: #5f625f;
  --line: #dfe6dc;
  --paper: #fbfcf7;
  --panel: #ffffff;
  --field: #f2f7ee;
  --green: #0f7a46;
  --green-dark: #075934;
  --lime: #c6ea52;
  --gold: #f6c845;
  --red: #c6382e;
  --shadow: 0 18px 44px rgba(23, 23, 23, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 5vw, 64px);
  background: rgba(251, 252, 247, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  overflow: hidden;
  color: transparent;
  background: url("assets/brand/favicon.svg") center / contain no-repeat;
  border-radius: 8px;
  font-weight: 900;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
}

.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.lang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.lang a {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
}

.hero {
  min-height: 86vh;
  display: grid;
  align-items: end;
  padding: 96px clamp(18px, 5vw, 64px) 42px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0.72)),
    url("https://images.unsplash.com/photo-1574629810360-7efbbe195018?auto=format&fit=crop&w=1800&q=78") center / cover;
}

.hero-inner {
  max-width: 1180px;
}

.compact-hero {
  min-height: 58vh;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  color: var(--ink);
  background: var(--lime);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

h1 {
  max-width: 920px;
  margin: 22px 0 16px;
  font-size: clamp(40px, 6.6vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  max-width: 760px;
  margin: 0;
  font-size: clamp(17px, 2.2vw, 22px);
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 850;
  text-decoration: none;
}

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

.button.secondary {
  border-color: rgba(255, 255, 255, 0.46);
  color: #fff;
}

main {
  display: grid;
  gap: 0;
}

section {
  padding: 58px clamp(18px, 5vw, 64px);
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.04;
  letter-spacing: 0;
}

.lead {
  max-width: 690px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.market-proof {
  background: #eaf3e7;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.proof {
  min-height: 148px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.proof strong {
  display: block;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1;
}

.proof span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.filter-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
  margin-bottom: 18px;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 8px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

select {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

input {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

.rank-list {
  display: grid;
  gap: 12px;
}

.rank-card {
  display: grid;
  grid-template-columns: 64px 1.5fr 1fr 1fr 170px;
  align-items: center;
  gap: 16px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(23, 23, 23, 0.05);
}

.rank {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  background: var(--green);
  color: #fff;
  border-radius: 8px;
  font-weight: 950;
}

.book h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.book p,
.metric p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}

.tag {
  padding: 4px 8px;
  background: #edf5e8;
  border-radius: 999px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
}

.score {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-weight: 950;
  font-size: 28px;
}

.score small {
  color: var(--muted);
  font-size: 13px;
}

.disclosure {
  padding: 14px 16px;
  margin-top: 18px;
  color: #55380a;
  background: #fff3cf;
  border: 1px solid #f1d58a;
  border-radius: 8px;
  font-size: 14px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.article-card {
  display: grid;
  align-content: start;
  min-height: 230px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
}

.article-card h3 {
  margin: 10px 0 8px;
  font-size: 21px;
  line-height: 1.16;
}

.article-card p {
  margin: 0;
  color: var(--muted);
}

.danger-card {
  border-color: #edc2bd;
  background: #fffafa;
}

.badge {
  width: max-content;
  padding: 5px 8px;
  color: #fff;
  background: var(--green);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 850;
}

.plan {
  background: #151815;
  color: #fff;
}

.plan .lead {
  color: rgba(255, 255, 255, 0.72);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.step {
  min-height: 184px;
  padding: 18px;
  background: #222820;
  border: 1px solid #3a4236;
  border-radius: 8px;
}

.step strong {
  color: var(--lime);
}

.responsible {
  background: #fff;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.trust-item {
  min-height: 156px;
  padding: 18px;
  color: #fff;
  background: #173b2a;
  border: 1px solid #285842;
  border-radius: 8px;
}

.trust-item strong {
  display: block;
  font-size: 18px;
  margin-bottom: 8px;
}

.trust-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.tool-panel {
  display: grid;
  gap: 22px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(23, 23, 23, 0.05);
}

.tool-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.tool-result {
  display: grid;
  gap: 6px;
  min-height: 94px;
  padding: 18px;
  background: #eaf3e7;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
}

.tool-result strong {
  font-size: 28px;
  line-height: 1.1;
}

.tool-result span {
  color: var(--muted);
}

.rules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.rule-box {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.rule-box ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

footer {
  padding: 34px clamp(18px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.75);
  background: #101310;
  font-size: 13px;
}

footer a {
  color: #fff;
}

.footer-links {
  margin-bottom: 10px;
  font-weight: 800;
}

.related-links {
  background: #f7fbf8;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related-list a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  padding: 10px 12px;
}

.related-list a:hover {
  border-color: rgba(15, 122, 70, 0.35);
  color: var(--green);
}

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .proof-grid,
  .content-grid,
  .timeline,
  .rules,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .filter-panel,
  .tool-form {
    grid-template-columns: 1fr 1fr;
  }

  .rank-card {
    grid-template-columns: 52px 1fr;
  }

  .rank-card .metric,
  .rank-card .cta {
    grid-column: 2;
  }
}

@media (max-width: 560px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 92vh;
  }

  .filter-panel,
  .tool-form {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .lang {
    width: 100%;
  }

  .button,
  .lang a {
    width: 100%;
  }
}