:root {
  --color-primary: #1E3A5F;
  --color-primary-dark: #0F2440;
  --color-primary-light: #2D5A8E;
  --color-primary-subtle: rgba(30, 58, 95, 0.06);
  --color-secondary: #F5F6F8;
  --color-bg: #F8F9FB;
  --color-text: #1A1D23;
  --color-text-light: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-accent: #F59E0B;
  --color-accent-hover: #D97706;
  --color-success: #059669;
  --color-info: #2563EB;
  --color-danger: #DC2626;
  --color-card-bg: #FFFFFF;
  --color-card-border: rgba(0, 0, 0, 0.06);
  --color-card-meta: #F1F3F5;
  --color-light-accent: #EEF2F6;
  --color-footer-bg: #0F172A;
  --color-footer-text: #94A3B8;
  --color-white: #FFFFFF;
  --font-main: 'Nunito', sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Poppins', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms;
  --transition-base: 400ms;
  --transition-slow: 700ms;
  --max-width: 1200px;
  --font-size-base: 16px;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-size: var(--font-size-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 600; letter-spacing: -0.01em; }

p { margin-bottom: 1rem; color: var(--color-text-light); }

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

ul { list-style: none; }

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section-padding {
  padding: 6rem 0;
}

.section-padding-sm {
  padding: 4rem 0;
}

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

.bg-muted {
  background: var(--color-light-accent);
}

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

.section-title {
  text-align: center;
  margin-bottom: 0.75rem;
  text-wrap: balance;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 3rem;
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-wrap: balance;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary-light);
  margin-bottom: 1rem;
  font-family: var(--font-heading);
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 0 auto 2rem;
}

.reveal, .reveal-left, .reveal-right, .reveal-scale {
  opacity: 0;
  transition: opacity 700ms var(--transition), transform 700ms var(--transition);
}
.reveal { transform: translateY(24px); }
.reveal-left { transform: translateX(-24px); }
.reveal-right { transform: translateX(24px); }
.reveal-scale { transform: scale(0.97); }
.reveal.revealed, .reveal-left.revealed, .reveal-right.revealed, .reveal-scale.revealed {
  opacity: 1;
  transform: translate(0) scale(1);
}
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

img { outline: none; }

.article-card img, .gallery-item img, .mini-article-card img, .related-card img {
  opacity: 0;
  transition: opacity 400ms ease;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--color-primary); color: var(--color-white); }

h1, h2, h3, .section-title, .section-subtitle, .card h3 {
  text-wrap: balance;
}

.heading-primary {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.heading-secondary {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.heading-tertiary {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  margin-bottom: 0.5rem;
}

input, textarea, select, button { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal, .reveal-left, .reveal-right, .reveal-scale { opacity: 1; transform: none; }
}

@media print {
  .hamburger { display: none !important; }
  .navbar { position: static; backdrop-filter: none; }
  .footer { break-inside: avoid; }
}