/* ==========================================================================
   Diaco design tokens — mirror of src/app/globals.css in the Next.js site
   ========================================================================== */

:root {
  --color-navy-950: #060d1f;
  --color-navy-900: #0a1730;
  --color-navy-800: #0f2044;
  --color-navy-700: #16294f;
  --color-navy-600: #1e3564;

  --color-gold-300: #e8d5a3;
  --color-gold-400: #d9bc7a;
  --color-gold-500: #c9a24b;
  --color-gold-600: #a98434;

  --color-ink: #e6eaf2;
  --color-ink-dim: #aab4c8;

  --radius-card: 20px;
  --font-sans: "Vazirmatn", system-ui, -apple-system, "Segoe UI", sans-serif;

  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  --glass-border: 1px solid rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 32px rgba(6, 13, 31, 0.45);
  --container: 72rem;
}

/* ---------------------------------------------------------------- base ---- */

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

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(30, 53, 100, 0.55), transparent 60%),
    radial-gradient(900px 480px at 0% 110%, rgba(15, 32, 68, 0.7), transparent 55%),
    var(--color-navy-950);
  background-attachment: fixed;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.9;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-gold-500);
  color: var(--color-navy-950);
}

a {
  color: var(--color-gold-400);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-gold-300);
}

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

:focus-visible {
  outline: 2px solid var(--color-gold-500);
  outline-offset: 2px;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.diaco-container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1rem;
}

@media (min-width: 768px) {
  .diaco-container {
    padding-inline: 1.5rem;
  }
}

/* ------------------------------------------------------- glass surfaces --- */

.glass-card {
  position: relative;
  isolation: isolate;
  border-radius: var(--radius-card);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.gold-text {
  background: linear-gradient(100deg, var(--color-gold-400), var(--color-gold-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ------------------------------------------------------------- controls --- */

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 9999px;
  background: linear-gradient(100deg, var(--color-gold-400), var(--color-gold-600));
  color: var(--color-navy-950);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.7rem 1.6rem;
  border: 0;
  cursor: pointer;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.btn-gold:hover {
  color: var(--color-navy-950);
  box-shadow: 0 0 24px rgba(201, 162, 75, 0.35);
}

.btn-gold:active {
  transform: scale(0.98);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.7rem 1.4rem;
  border: var(--glass-border);
}

.btn-ghost:hover {
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.14);
}

.field-glass {
  width: 100%;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: var(--glass-border);
  color: var(--color-ink);
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field-glass::placeholder {
  color: var(--color-ink-dim);
}

.field-glass:focus {
  outline: none;
  border-color: var(--color-gold-500);
  box-shadow: 0 0 0 2px var(--color-gold-500);
}

/* ------------------------------------------------------- section heading -- */

.diaco-section-head {
  margin-bottom: 2rem;
  text-align: center;
}

.diaco-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-gold-500);
}

.diaco-section-head h1,
.diaco-section-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-ink);
}

.diaco-section-head p {
  margin: 0.75rem auto 0;
  max-width: 42rem;
  font-size: 0.95rem;
  color: var(--color-ink-dim);
}

/* --------------------------------------------------------------- a11y ---- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}