:root {
  /* Design tokens */
  --color-parchment: #F5F1EB;
  --color-ink: #1C1915;
  --color-gilt: #B89A5A;
  --color-gilt-dark: #8B7042;
  --color-rule: #E8E2D8;
  --color-muted: #6B6560;
  
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Jost', sans-serif;
  
  --container-width: 1100px;
  --content-width: 680px;
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-parchment);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, .serif-display {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.18;
}

em, .italic {
  font-style: italic;
}

.gilt {
  color: var(--color-gilt);
}

.section-tag {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gilt);
  margin-bottom: 1rem;
  display: block;
}

.gold-rule {
  height: 1.5px;
  background-color: var(--color-gilt);
  width: 32px;
  margin-bottom: 1.5rem;
  opacity: 0.7;
}

/* Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.content-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
}

section {
  padding: 100px 0;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Navigation */
#mainNav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: transform 0.4s ease, background-color 0.4s ease, backdrop-filter 0.4s ease;
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  text-decoration: none;
  color: var(--color-ink);
}

.nav-logo-italic {
  font-style: italic;
  color: var(--color-gilt);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-muted);
  transition: color 0.3s ease;
}

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

.nav-cta {
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-gilt);
  border: 0.5px solid var(--color-gilt);
  padding: 8px 18px;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background-color: var(--color-gilt);
  color: #fff;
}

.nav--solid {
  background-color: rgba(245, 241, 235, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 0.5px solid var(--color-rule);
}

.nav--hidden {
  transform: translateY(-100%);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 1.5px;
  background-color: var(--color-gilt);
  margin: 4px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gilt);
  margin-bottom: 1.5rem;
}

.hero-h1 {
  font-size: 56px;
  max-width: 700px;
  margin-bottom: 2rem;
}

.hero-h1 em {
  color: var(--color-gilt);
}

.hero-sub {
  font-size: 18px;
  color: var(--color-muted);
  max-width: 400px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.btn-primary {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--color-gilt);
  color: #fff;
  padding: 12px 24px;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--color-gilt-dark);
}

.btn-ghost {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.3s ease;
}

.btn-ghost:hover {
  color: var(--color-ink);
}

.hero-accent-mark {
  position: absolute;
  top: 5%;
  right: 5%;
  font-family: var(--font-serif);
  font-size: 180px;
  line-height: 1;
  color: var(--color-gilt);
  opacity: 0.06;
  pointer-events: none;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-gilt), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { transform: translateX(-50%) translateY(-20px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(-50%) translateY(20px); opacity: 0; }
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 17px;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.typographic-accent {
  font-family: var(--font-serif);
  font-size: 240px;
  font-style: italic;
  color: var(--color-gilt);
  opacity: 0.04;
  user-select: none;
}

/* Curricula Section */
.curricula-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.curr-card {
  background-color: var(--color-parchment);
  border: 0.5px solid var(--color-rule);
  border-radius: 8px;
  padding: 2.5rem;
  transition: border-color 0.4s ease;
  position: relative;
}

.curr-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 0;
  background-color: var(--color-gilt);
  transition: height 0.4s ease;
}

.curr-card:hover {
  border-color: var(--color-gilt);
}

.curr-card:hover::before {
  height: 100%;
}

.curr-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background-color: var(--color-gilt);
  color: #fff;
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.curr-title {
  font-size: 28px;
  margin-bottom: 0.5rem;
}

.curr-grade {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.curr-list {
  list-style: none;
}

.curr-item {
  padding: 10px 0;
  border-bottom: 0.5px solid var(--color-rule);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--color-muted);
}

.curr-item:last-child {
  border-bottom: none;
}

.curr-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-gilt);
}

.subject-pills {
  display: flex;
  gap: 10px;
  margin-top: 3rem;
  justify-content: center;
  flex-wrap: wrap;
}

.pill {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  border: 0.5px solid var(--color-rule);
  padding: 6px 14px;
  border-radius: 20px;
}

/* Approach Section */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.pillar {
  padding: 1.5rem;
  position: relative;
}

.pillar-initial {
  font-family: var(--font-serif);
  font-size: 140px;
  color: var(--color-gilt);
  opacity: 0.08;
  position: absolute;
  top: -30px;
  left: 1.5rem;
  z-index: 1;
  pointer-events: none;
  line-height: 1;
  user-select: none;
}

.pillar-label {
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  display: block;
  position: relative;
  z-index: 2;
  margin-top: 60px; /* Aligned across the middle/lower part of the ghost letter */
}

.pillar-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

/* Philosophy Section */
.philosophy {
  background-color: var(--color-parchment);
  text-align: center;
}

.quote-container {
  padding: 4rem 0;
  position: relative;
}

.quote-container::before, .quote-container::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 0.5px;
  background-color: var(--color-gilt);
  opacity: 0.3;
}

.quote-container::before { top: 0; }
.quote-container::after { bottom: 0; }

.quote-mark {
  font-family: var(--font-serif);
  font-size: 64px;
  color: var(--color-gilt);
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: 28px;
  font-style: italic;
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.quote-attribution {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gilt);
}

/* Why Section */
.why-grid {
  margin-top: 3rem;
}

.why-item {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
}

.why-num {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--color-gilt);
  min-width: 40px;
}

.why-content h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.why-content p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* Enquire Section */
.enquire-form-container {
  background-color: #fff;
  border: 0.5px solid var(--color-rule);
  border-radius: 8px;
  padding: 3rem;
  margin-top: 3rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 0.5px solid var(--color-rule);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-ink);
  background-color: var(--color-parchment);
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-gilt);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23B89A5A' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.btn-submit {
  width: 100%;
  margin-top: 1rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem 0;
}

.form-success h3 {
  font-size: 24px;
  margin-bottom: 1rem;
}

/* Footer */
footer {
  padding: 60px 0;
  background-color: var(--color-parchment);
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-rule {
  height: 0.5px;
  background-color: var(--color-gilt);
  opacity: 0.3;
  margin-bottom: 2rem;
}

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

.footer-logo {
  font-family: var(--font-serif);
  font-size: 18px;
}

.footer-logo-italic {
  font-style: italic;
  color: var(--color-gilt);
}

.footer-copy {
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 1024px) {
  .approach-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
  
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--color-parchment);
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2rem;
    border-bottom: 0.5px solid var(--color-rule);
  }
  
  .nav-menu--active {
    display: flex;
  }
  
  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero-h1 {
    font-size: 42px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .curricula-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .approach-grid {
    grid-template-columns: 1fr;
  }
  
  .philosophy .quote-text {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transform: none;
    transition: opacity 0.4s ease-out;
  }
  
  .scroll-indicator {
    animation: none;
  }
}