/**
 * Hack Your Tech Career — Base CSS & Typography
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@1,500;1,700&family=Plus+Jakarta+Sans:wght@500;600;700&display=swap');

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text-body);
  background-color: var(--color-bg-base);
  /* Subtle geometric accents reminiscent of the original site's SVG confetti motif */
  background-image: 
    radial-gradient(circle at 12% 15%, rgba(255, 230, 178, 0.45) 0%, transparent 25%),
    radial-gradient(circle at 88% 12%, rgba(205, 237, 206, 0.40) 0%, transparent 22%),
    radial-gradient(circle at 85% 82%, rgba(241, 197, 174, 0.35) 0%, transparent 28%),
    radial-gradient(circle at 10% 75%, rgba(205, 227, 253, 0.35) 0%, transparent 20%);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessible focus outline */
:focus-visible {
  outline: 3px solid var(--color-brand-primary);
  outline-offset: 2px;
}

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

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

img, svg {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

@media (min-width: 768px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
}

/* Editorial italic accent font */
.font-editorial, em {
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: 500;
}

/* Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-fluid {
  width: 100%;
  max-width: 1380px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-sm {
  width: 100%;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-xs {
  width: 100%;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Screen reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Utility Classes */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.ml-1 { margin-left: var(--space-1); }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.tracking-tight { letter-spacing: -0.025em; }
.tracking-wider { letter-spacing: 0.05em; }

.text-center { text-align: center; }
.w-full { width: 100%; }
.block { display: block; }

.text-slate-400 { color: #94A3B8; }
.text-slate-500 { color: #64748B; }
.text-slate-600 { color: #475569; }
.text-slate-700 { color: #334155; }
.text-slate-800 { color: #1E293B; }
.text-slate-900 { color: #0F172A; }
.text-emerald-700 { color: #047857; }

/* Skip to content */
.skip-link {
  position: absolute;
  top: -999px;
  left: var(--space-4);
  background: var(--color-charcoal);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  top: var(--space-4);
}