/* CSS VARIABLES — DESIGN TOKENS */
:root {
  /* Primary Palette — Deep Blue / Gold accent */
  --color-primary: #1B2A4A;
  --color-primary-light: #2D4470;
  --color-primary-dark: #0F1A30;
  --color-accent: #C8A45C;
  --color-accent-light: #E0C882;
  --color-accent-dark: #A88A3E;

  /* Neutrals */
  --color-bg: #FAFAF8;
  --color-bg-warm: #F5F3EE;
  --color-bg-card: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #5A5A5A;
  --color-text-muted: #8A8A8A;
  --color-border: #E8E5DE;

  /* Semantic */
  --color-success: #2E7D4F;
  --color-info: #3B6FA0;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
}

/* RESET & BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* UTILITY */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: 900px;
}

.container--wide {
  max-width: 1440px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* NAVIGATION */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.nav--scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

/* Top bar */
.nav__topbar {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  padding: 0.4rem 0;
  letter-spacing: 0.02em;
}

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

.nav__topbar a {
  color: rgba(255,255,255,0.8);
}

.nav__topbar a:hover {
  color: var(--color-accent-light);
}

.nav__topbar-social {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

/* Main nav */
.nav__main {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  padding: 0;
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav__logo-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.nav__logo-tagline {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}

.nav__links li {
  position: relative;
}

.nav__links a {
  display: block;
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.1rem;
  right: 1.1rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-smooth);
}

.nav__links a:hover {
  color: var(--color-primary);
}

.nav__links a:hover::after {
  transform: scaleX(1);
}

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-smooth);
  border: 1px solid var(--color-border);
}

.nav__links li:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown a {
  padding: 0.5rem 1.25rem;
  font-size: 0.825rem;
}

.nav__dropdown a::after {
  display: none;
}

.nav__dropdown a:hover {
  background: var(--color-bg-warm);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: all var(--transition-smooth);
  text-decoration: none;
}

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

.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 164, 92, 0.3);
}

.btn--outline {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn--outline:hover {
  border-color: white;
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

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

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

.btn--small {
  padding: 0.6rem 1.4rem;
  font-size: 0.825rem;
}

.nav__cta {
  margin-left: 0.5rem;
}

.nav__cta a {
  background: var(--color-primary);
  color: white !important;
  padding: 0.55rem 1.5rem !important;
}

.nav__cta a:hover {
  background: var(--color-primary-light);
}

.nav__cta a::after { display: none !important; }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, #2D4470 70%, #3B5A8A 100%);
}

.hero__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(30deg, white 12%, transparent 12.5%, transparent 87%, white 87.5%, white),
    linear-gradient(150deg, white 12%, transparent 12.5%, transparent 87%, white 87.5%, white);
  background-size: 80px 140px;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-3xl) 0;
  color: white;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent-light);
}

.hero__subtitle {
  font-size: 1.125rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin-bottom: var(--space-lg);
}

/* MISSION STRIP */
.mission-strip {
  background: var(--color-bg-warm);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.mission-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  text-align: center;
}

.mission-strip__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.mission-strip__icon {
  width: 40px;
  height: 40px;
  background: rgba(27, 42, 74, 0.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* SECTIONS */
.section {
  padding: var(--space-3xl) 0;
}

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

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

.section__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary);
}

.section--dark .section__title {
  color: white;
}

/* FOOTER */
.footer {
  background: var(--color-primary);
  color: white;
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.footer__links {
  list-style: none;
}

.footer__links a:hover {
  color: var(--color-accent);
}

/* RESPONSIVE */
.nav__toggle {
  display: none;
}

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
  }
  .nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
  }
  .mission-strip__inner {
    flex-direction: column;
  }
}