:root {
  --navy: #1c2d4a;
  --navy-deep: #121f33;

  --light-blue: #d8e9f7;
  --light-blue-soft: #edf6fd;

  --brown: #7a5a48;
  --brown-soft: #a07a65;

  --cream: #fbf7f2;
  --white: #ffffff;

  --gold: #c7aa78;
  --pearl: #f5f2ec;

  --text: #1f1f1f;
  --shadow: 0 16px 40px rgba(28, 45, 74, 0.12);
  --radius: 20px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(216, 233, 247, 0.45), transparent 22%),
    linear-gradient(to bottom, #fcfaf7, #f7fbff);
  line-height: 1.65;
}

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

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(251, 247, 242, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(28, 45, 74, 0.08);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, #ffffff, #f1ece5 45%, #d9d0c5 80%);
  box-shadow: 0 0 0 4px rgba(216, 233, 247, 0.55);
}

.brand {
  font-family: "Playfair Display", serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
}

.nav nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.nav nav a {
  font-weight: 600;
  color: var(--navy);
  opacity: 0.92;
}

.nav nav a:hover {
  color: var(--brown);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(18, 31, 51, 0.95), rgba(28, 45, 74, 0.85)),
    radial-gradient(circle at right top, rgba(216, 233, 247, 0.35), transparent 35%),
    linear-gradient(135deg, rgba(216, 233, 247, 0.12), rgba(122, 90, 72, 0.08));
  color: var(--white);
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(216, 233, 247, 0.22), rgba(216, 233, 247, 0.04) 70%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(216, 233, 247, 0.08) 0%, transparent 25%),
    linear-gradient(to top, rgba(0, 0, 0, 0.12), transparent 35%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 30%, rgba(255,255,255,0.06) 0 1px, transparent 1px),
    radial-gradient(circle at 60% 15%, rgba(255,255,255,0.04) 0 1px, transparent 1px);
  background-size: 140px 140px, 180px 180px;
  opacity: 0.35;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 90px 0;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(216, 233, 247, 0.14);
  border: 1px solid rgba(216, 233, 247, 0.28);
  color: var(--light-blue);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.hero h1 {
  margin: 0 0 18px;
  font-family: "Playfair Display", serif;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 1.08;
}

.hero-text {
  max-width: 640px;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 28px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--navy), var(--light-blue));
  color: var(--white);
  box-shadow: 0 10px 24px rgba(28, 45, 74, 0.22);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(216, 233, 247, 0.35);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.pearl {
  position: absolute;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, #ffffff, #f1ece6 42%, #d6cdc2 78%);
  opacity: 0.75;
  box-shadow: inset -6px -8px 16px rgba(0, 0, 0, 0.06);
}

.pearl-1 {
  width: 30px;
  height: 30px;
  right: 120px;
  bottom: 120px;
}

.pearl-2 {
  width: 18px;
  height: 18px;
  right: 165px;
  bottom: 90px;
}

.pearl-3 {
  width: 12px;
  height: 12px;
  right: 95px;
  bottom: 82px;
}

.section {
  padding: 90px 0;
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--brown);
  margin-bottom: 12px;
}

.center {
  text-align: center;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  align-items: start;
}

.about h2,
.topics h2,
.contact h2,
.highlight h2 {
  margin-top: 0;
  margin-bottom: 16px;
  font-family: "Playfair Display", serif;
  color: var(--navy);
  font-size: clamp(1.95rem, 4vw, 3rem);
  line-height: 1.15;
}

.info-card,
.contact-card,
.topic-card,
.highlight-box {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.leopard-border {
  position: relative;
  padding: 30px;
  background:
    linear-gradient(var(--white), var(--white)) padding-box,
    linear-gradient(135deg, var(--light-blue), var(--navy), var(--brown-soft)) border-box;
  border: 2px solid transparent;
}

.leopard-border::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: calc(var(--radius) - 8px);
  pointer-events: none;
  opacity: 0.06;
  background-image:
    radial-gradient(ellipse at 20% 25%, var(--navy) 0 18%, transparent 20%),
    radial-gradient(ellipse at 70% 30%, var(--brown-soft) 0 16%, transparent 18%),
    radial-gradient(ellipse at 40% 70%, var(--navy) 0 14%, transparent 16%),
    radial-gradient(ellipse at 82% 72%, var(--brown-soft) 0 14%, transparent 16%);
}

.info-card h3 {
  margin-top: 0;
  color: var(--navy);
}

.info-card ul {
  margin: 16px 0 0;
  padding-left: 20px;
}

.info-card li {
  margin-bottom: 10px;
}

.topics {
  background:
    linear-gradient(to bottom, rgba(216, 233, 247, 0.45), rgba(251, 247, 242, 0.8));
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.topic-card {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid rgba(28, 45, 74, 0.08);
  background:
    linear-gradient(180deg, #ffffff, var(--light-blue-soft));
}

.card-accent {
  display: block;
  width: 54px;
  height: 4px;
  border-radius: 999px;
  margin-bottom: 16px;
  background: linear-gradient(
    90deg,
    var(--navy),
    var(--light-blue),
    var(--navy)
  );
}

.topic-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--navy);
}

.highlight-box {
  padding: 48px 30px;
  text-align: center;
  background:
    linear-gradient(135deg, var(--navy-deep), var(--navy)),
    radial-gradient(circle at top right, rgba(216, 233, 247, 0.18), transparent 26%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.highlight-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(216, 233, 247, 0.08), transparent);
  pointer-events: none;
}

.highlight-box .section-label,
.highlight-box h2,
.highlight-box p {
  color: var(--white);
  position: relative;
  z-index: 1;
}

.contact-card {
  position: relative;
  padding: 30px;
  background:
    linear-gradient(180deg, #ffffff, var(--light-blue-soft));
}

.pearl-border {
  border: 1px solid rgba(216, 233, 247, 0.9);
}

.pearl-border::before {
  content: "";
  position: absolute;
  top: 14px;
  right: 18px;
  width: 70px;
  height: 22px;
  background-image:
    radial-gradient(circle, #fff 0 35%, #e7ded2 40% 55%, transparent 58%),
    radial-gradient(circle, #fff 0 35%, #e7ded2 40% 55%, transparent 58%),
    radial-gradient(circle, #fff 0 35%, #e7ded2 40% 55%, transparent 58%),
    radial-gradient(circle, #fff 0 35%, #e7ded2 40% 55%, transparent 58%);
  background-size: 18px 18px;
  background-repeat: no-repeat;
  background-position: 0 2px, 18px 0, 36px 2px, 54px 0;
  opacity: 0.8;
}

.contact-item + .contact-item {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(28, 45, 74, 0.08);
}

.contact-item span {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brown);
  margin-bottom: 6px;
}

.contact-item a {
  color: var(--navy);
  font-weight: 600;
  word-break: break-word;
}

.contact-item a:hover {
  color: var(--brown);
}

.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.84);
  padding: 26px 0;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-wrap p {
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .grid-2,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 78vh;
  }

  .nav {
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .pearl-1,
  .pearl-2,
  .pearl-3 {
    display: none;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 70px 0;
  }

  .hero-content {
    padding: 70px 0;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .brand {
    font-size: 1.2rem;
  }
}