@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* Color Palette */
  --color-ink: #080e1a;
  --color-navy-dark: #0f1f35;
  --color-navy: #162843;
  --color-blue-steel: #5b9bd5;
  --color-blue-light: #8dbfe8;
  --color-amber: #c4953a;
  --color-birch: #e8eef5;
  --color-fog: #d0dce8;
  --color-white: #f5f8fc;
  --color-muted: #6a8099;
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  
  /* Spacing */
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
  --spacing-xl: 64px;
  --spacing-xxl: 120px;
  
  /* Shadows & Transitions */
  --shadow-sm: 0 4px 6px rgba(8, 14, 26, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(8, 14, 26, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(8, 14, 26, 0.15);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.75;
  background-color: var(--color-white);
  color: var(--color-navy-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.1;
  color: var(--color-ink);
}

h1 { font-size: clamp(40px, 6vw, 72px); margin-bottom: var(--spacing-md); }
h2 { font-size: clamp(32px, 4vw, 52px); margin-bottom: var(--spacing-md); }
h3 { font-size: clamp(24px, 3vw, 36px); margin-bottom: var(--spacing-sm); }

em { font-style: italic; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.85;
}

p strong {
  color: var(--color-navy-dark);
  font-weight: 500;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-blue-steel);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.text-light { color: rgba(232, 238, 245, 0.88); }
.text-birch { color: var(--color-birch); }

/* Navigation (Glassmorphism) */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 248, 252, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(15, 31, 53, 0.08);
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-fast), border var(--transition-fast);
}

nav.scrolled {
  background: rgba(245, 248, 252, 0.98);
  box-shadow: var(--shadow-sm);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
  group: hover;
}

.nav-logo svg {
  transition: transform var(--transition-fast);
}

.nav-logo:hover svg {
  transform: scale(1.05) rotate(2deg);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-logo-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-navy-dark);
  letter-spacing: 0.02em;
  line-height: 1;
}

.nav-logo-sub {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-blue-steel);
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 4px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-blue-steel);
  transition: width var(--transition-smooth);
}

.nav-link:hover {
  color: var(--color-navy-dark);
  background: rgba(15, 31, 53, 0.04);
}

.nav-link:hover::after {
  width: 20px;
}

.nav-link.active {
  color: var(--color-white);
  background: var(--color-navy-dark);
}

.nav-link.active::after {
  display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-navy-dark);
  margin-bottom: 5px;
  transition: all var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 32px;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-navy-dark);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-navy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: rgba(91, 155, 213, 0.1);
  color: var(--color-blue-steel);
}

.btn-secondary:hover {
  background: rgba(91, 155, 213, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--color-navy-dark);
  border-color: var(--color-navy-dark);
}

.btn-ghost:hover {
  background: rgba(15, 31, 53, 0.05);
}

.btn-light {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-birch);
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Layout Utilities */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section-dark {
  background-color: var(--color-navy-dark);
  color: var(--color-birch);
}

.section-dark h1, .section-dark h2, .section-dark h3 {
  color: var(--color-white);
}

.section-dark p {
  color: rgba(232, 238, 245, 0.85);
}

.section-navy {
  background-color: var(--color-navy);
  color: var(--color-birch);
}

.section-fog {
  background-color: var(--color-fog);
}

.section-ink {
  background-color: var(--color-ink);
  color: var(--color-birch);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

/* Footer */
footer {
  background-color: var(--color-ink);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 16px;
  color: rgba(232, 238, 245, 0.5);
}

.footer-brand span {
  color: var(--color-blue-steel);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-link {
  color: rgba(232, 238, 245, 0.6);
  text-decoration: none;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-blue-steel);
}

/* Animation Utilities */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  nav {
    padding: 0 var(--spacing-lg);
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(15, 31, 53, 0.1);
    box-shadow: var(--shadow-md);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .footer-inner {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}