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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-primary);
  border: none;
  cursor: pointer;
}

input, textarea, select {
  font-family: var(--font-primary);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-md);
  line-height: 1.75;
}

p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
}

.section {
  padding: var(--space-4xl) 0;
}

.section-sm {
  padding: var(--space-3xl) 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-3xl);
  max-width: 600px;
}

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-white { color: var(--color-white); }
.text-navy  { color: var(--color-navy); }
.text-red   { color: var(--color-red); }
.text-gold  { color: var(--color-gold); }
.text-muted { color: var(--color-gray-600); }

.bg-navy    { background-color: var(--color-navy); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-white   { background-color: var(--color-white); }

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

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  .section-title { font-size: var(--font-size-2xl); }
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

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

/* ============================================================
   PAGE HEADER (shared across inner pages)
   ============================================================ */
.page-header {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  padding: var(--space-3xl) 0 var(--space-2xl);
  color: var(--color-white);
}

.page-header h1 {
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: rgba(255,255,255,0.75);
  font-size: var(--font-size-lg);
  margin-bottom: 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: rgba(255,255,255,0.75);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-gold);
}

.breadcrumb span {
  color: rgba(255,255,255,0.4);
}

@media (max-width: 768px) {
  .page-header h1 { font-size: var(--font-size-3xl); }
}