:root {
  --cream: #edebdf;
  --warm-cream: #f6f4ea;
  --soft-sand: #d8cfb6;
  --deep-blue: #0d1a33;
  --accent-blue: #1f3f73;
  --accent-gold: #b7a87a;
  --accent-light: #fbfaf5;
  --glass-border: rgba(255, 255, 255, 0.45);
  --glass-shadow: 0 18px 40px rgba(13, 26, 51, 0.15);
  --text-dark: #2b2f3a;
  --text-muted: #6e7280;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: "Montserrat", Arial, sans-serif;
  background: linear-gradient(
    180deg,
    var(--cream) 0%,
    var(--accent-light) 100%
  );
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}
a {
  color: inherit;
}
a:hover {
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(237, 235, 223, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
header.scrolled {
  background: rgba(237, 235, 223, 0.92);
  box-shadow: 0 12px 32px rgba(13, 26, 51, 0.12);
  padding: 0.7rem 0;
}
.container {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--text-dark);
  position: relative;
}
nav .brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
nav .brand img {
  width: 110px;
  height: auto;
  transition: transform 0.3s ease;
}
header.scrolled nav .brand img {
  transform: scale(0.9);
}
nav .brand span {
  font-family: "Lora", serif;
  font-size: 1.28rem;
  letter-spacing: 0.05em;
  color: var(--deep-blue);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
nav a:hover {
  color: var(--accent-blue);
}
nav a.active {
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(31, 63, 115, 0.08);
  border: 1px solid rgba(31, 63, 115, 0.18);
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
}
.nav-toggle:hover {
  background: rgba(31, 63, 115, 0.14);
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent-blue);
  border-radius: 999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle::before {
  transform: translateY(-6px);
}
.nav-toggle::after {
  transform: translateY(6px);
}
header.nav-open .nav-toggle span {
  opacity: 0;
}
header.nav-open .nav-toggle::before {
  transform: rotate(45deg);
}
header.nav-open .nav-toggle::after {
  transform: rotate(-45deg);
}
body.nav-open {
  overflow: hidden;
}