:root {
  --navy-950: #0c1328;
  --navy-900: #111a35;
  --navy-800: #192544;
  --gold-500: #b99a52;
  --gold-300: #d9c58f;
  --ivory: #fbf8f1;
  --paper: #ffffff;
  --ink: #20283b;
  --muted: #667085;
  --line: #e7e0d2;
  --alert: #8f2f35;
  --alert-bg: #fff4f2;
  --shadow: 0 22px 55px rgba(15, 23, 42, 0.09);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 8%, rgba(185, 154, 82, 0.10), transparent 26rem),
    var(--ivory);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.72;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: white;
  color: var(--navy-950);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  background: var(--navy-950);
  border-bottom: 1px solid rgba(217, 197, 143, 0.34);
}

.header-inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: block;
  width: min(330px, 55vw);
  overflow: hidden;
}

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

.header-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: #f8f5ed;
  font-size: 0.9rem;
  font-weight: 650;
}

.header-links a {
  text-decoration: none;
}

.header-links a:hover,
.header-links a:focus-visible {
  color: var(--gold-300);
}

.header-links .contact-link {
  padding: 0.68rem 1rem;
  border: 1px solid rgba(217, 197, 143, 0.65);
  border-radius: 999px;
}

main {
  min-height: 70vh;
}

.hero {
  background:
    linear-gradient(118deg, rgba(12, 19, 40, 0.98), rgba(17, 26, 53, 0.90)),
    url("logo.jpg") center / cover no-repeat;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: -145px;
  bottom: -220px;
  border: 1px solid rgba(217, 197, 143, 0.28);
  border-radius: 50%;
}

.hero-inner,
.content-shell {
  width: min(1040px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero-inner {
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(4rem, 8vw, 7rem);
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--gold-300);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--navy-950);
  line-height: 1.15;
}

.hero h1 {
  max-width: 790px;
  margin: 0;
  color: white;
  font-size: clamp(2.45rem, 6.6vw, 5.25rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.hero .lead {
  max-width: 710px;
  margin: 1.5rem 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.06rem, 2.3vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 750;
  line-height: 1.2;
}

.button-primary {
  background: var(--gold-500);
  color: var(--navy-950);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: white;
}

.content-shell {
  padding: clamp(3.4rem, 7vw, 6.4rem) 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.75fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.section-copy {
  margin: 0;
  color: #4a556d;
  font-size: 1.08rem;
}

.signature-card,
.note,
.safety-note {
  border-radius: var(--radius);
  padding: 1.5rem;
}

.signature-card {
  background: var(--navy-900);
  color: white;
  box-shadow: var(--shadow);
}

.signature-card strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--gold-300);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.3rem;
  font-weight: 500;
}

.signature-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.93rem;
}

.topics {
  margin-top: clamp(3rem, 7vw, 6rem);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

.topic-card {
  min-height: 270px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.045);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.topic-card:hover,
.topic-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--gold-500);
  box-shadow: var(--shadow);
}

.topic-number {
  color: var(--gold-500);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
}

.topic-card h3 {
  margin: 2.4rem 0 0.75rem;
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 500;
}

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

.topic-link {
  margin-top: 1.5rem;
  color: var(--navy-800);
  font-size: 0.9rem;
  font-weight: 800;
}

.note {
  margin-top: 2rem;
  background: #f2ead8;
  border-left: 4px solid var(--gold-500);
}

.note strong,
.safety-note strong {
  color: var(--navy-950);
}

.article-hero {
  padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
  background: var(--navy-950);
  color: white;
}

.article-hero .content-shell {
  padding: 0;
}

.article-hero h1 {
  max-width: 860px;
  margin: 0;
  color: white;
  font-size: clamp(2.35rem, 6vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.article-hero p:last-child {
  max-width: 740px;
  margin: 1.4rem 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.12rem;
}

.article {
  width: min(820px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3.2rem, 7vw, 6rem) 0;
}

.article h2 {
  margin: 3.1rem 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.article h2:first-child {
  margin-top: 0;
}

.article h3 {
  margin: 2rem 0 0.65rem;
  font-size: 1.35rem;
}

.article p {
  margin: 0.9rem 0;
}

.article ul,
.article ol {
  padding-left: 1.35rem;
}

.article li {
  margin: 0.65rem 0;
  padding-left: 0.3rem;
}

.plain-list {
  list-style: none;
  padding: 0 !important;
  display: grid;
  gap: 0.85rem;
}

.plain-list li {
  margin: 0;
  padding: 1rem 1.1rem 1rem 3.2rem;
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: 15px;
}

.plain-list li::before {
  content: "✓";
  position: absolute;
  left: 1.15rem;
  top: 0.98rem;
  color: var(--gold-500);
  font-weight: 900;
}

.safety-note {
  margin: 2.25rem 0;
  background: var(--alert-bg);
  border: 1px solid #efd2cf;
  color: #5e2c30;
}

.safety-note strong {
  color: var(--alert);
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.example {
  padding: 1.3rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.example .label {
  display: inline-block;
  margin-bottom: 0.65rem;
  color: var(--gold-500);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.example p {
  margin: 0;
}

.source-list {
  margin-top: 3.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.source-list h2 {
  margin: 0 0 0.75rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.source-list p {
  margin: 0.45rem 0;
}

.source-list a {
  text-underline-offset: 3px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 1.5rem;
  color: var(--gold-300);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.site-footer {
  padding: 2.5rem 0;
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.84rem;
}

.footer-inner {
  width: min(1040px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.site-footer strong {
  color: white;
  font-weight: 700;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--gold-300);
  text-decoration: none;
}

@media (max-width: 760px) {
  .header-inner {
    min-height: 78px;
  }

  .header-links a:not(.contact-link) {
    display: none;
  }

  .header-links .contact-link {
    padding: 0.55rem 0.75rem;
    font-size: 0.8rem;
  }

  .intro-grid,
  .topic-grid,
  .example-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .topic-card {
    transition: none;
  }
}
