/* ============================================
   CRGAR Portal — Base styles
   ============================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* === Typography ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h1 {
  font-size: clamp(var(--text-4xl), 6vw + 1rem, var(--text-display));
  font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 380;
}

h2 {
  font-size: clamp(var(--text-3xl), 4vw + 0.5rem, var(--text-5xl));
}

h3 {
  font-size: clamp(var(--text-2xl), 2.5vw + 0.5rem, var(--text-3xl));
}

h4 {
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-snug);
}

p {
  line-height: var(--leading-relaxed);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* === Editorial type utilities ============================================ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-loose);
  text-transform: uppercase;
  color: var(--accent);
}

.caption {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.numeric {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  letter-spacing: var(--tracking-snug);
}

.serif-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

/* === Skip link ============================================ */

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  padding: var(--s-3) var(--s-5);
  background: var(--accent);
  color: var(--text-on-accent);
  font-weight: var(--weight-medium);
  z-index: 1000;
  transition: top var(--dur-base) var(--ease-out);
}

.skip-link:focus-visible {
  top: 0;
}

/* === Layout primitives ============================================ */

.container {
  width: 100%;
  max-width: var(--container-base);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

@media (min-width: 768px) {
  .container,
  .container-wide,
  .container-narrow {
    padding: 0 var(--s-7);
  }
}

/* === Background atmosphere ============================================ */

.atmosphere {
  position: relative;
  isolation: isolate;
}

.atmosphere::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at top right, rgba(27, 45, 92, 0.05), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(27, 45, 92, 0.03), transparent 55%);
  pointer-events: none;
}

/* === Grain texture ============================================ */

.grain {
  position: relative;
}

.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.11 0 0 0 0 0.12 0 0 0 0 0.10 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}