/* ═══════════════════════════════════════════════════════════════
   EON AUDIT — Base Styles & Reset
   ═══════════════════════════════════════════════════════════════ */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

/* ── Typography ── */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--navy-600);
}

h1 {
  font-size: clamp(2.25rem, 5vw, var(--text-6xl));
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 4vw, var(--text-4xl));
  font-weight: 700;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, var(--text-2xl));
  font-weight: 600;
  color: var(--teal-500);
}

p {
  max-width: 65ch;
}

.text-center p {
  margin-left: auto;
  margin-right: auto;
}

a {
  color: var(--teal-500);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--teal-600);
}

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

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

ul, ol {
  list-style: none;
}

/* ── Utility Classes ── */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.container--wide {
  max-width: var(--max-width-wide);
}

.section {
  padding: var(--space-24) 0;
}

.section--sm {
  padding: var(--space-16) 0;
}

.section--lg {
  padding: var(--space-32) 0;
}

/* ── Text utilities ── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }
.text-teal   { color: var(--teal-500); }
.text-navy   { color: var(--navy-600); }
.text-muted  { color: var(--gray-600); }
.text-white  { color: var(--white); }
.text-sm     { font-size: var(--text-sm); }
.text-lg     { font-size: var(--text-lg); }
.text-mono   { font-family: var(--font-mono); }
.font-display { font-family: var(--font-display); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold   { font-weight: 700; }
.uppercase   { text-transform: uppercase; letter-spacing: var(--tracking-wider); }

/* ── Layout helpers ── */
.flex       { display: flex; }
.flex-col   { flex-direction: column; }
.flex-wrap  { flex-wrap: wrap; }
.items-center    { align-items: center; }
.items-start     { align-items: flex-start; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

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

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section    { padding: var(--space-16) 0; }
  .section--lg { padding: var(--space-20) 0; }
}

/* ── Spacing ── */
.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.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); }
.mb-12 { margin-bottom: var(--space-12); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn--primary {
  background: var(--teal-500);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(0,151,167,0.3);
}

.btn--primary:hover {
  background: var(--teal-600);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,151,167,0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.4);
}

.btn--secondary:hover {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--teal-500);
  border: 1.5px solid var(--teal-500);
}

.btn--outline:hover {
  background: var(--teal-500);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--dark {
  background: var(--navy-600);
  color: var(--white);
}

.btn--dark:hover {
  background: var(--navy-700);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--teal-500);
  padding: 10px 16px;
}

.btn--ghost:hover {
  background: var(--teal-50);
}

.btn--lg {
  padding: 18px 36px;
  font-size: var(--text-base);
}

.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-xs);
  min-height: 44px;
}

/* ── Cards ── */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--duration-normal) var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}



.card--featured {
  border: 2px solid var(--teal-500);
  box-shadow: var(--shadow-glow);
}

/* ── Badge ── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
}

.badge--teal {
  background: var(--teal-50);
  color: var(--teal-600);
}

.badge--live {
  background: var(--success-light);
  color: var(--success);
}

.badge--popular {
  background: var(--teal-500);
  color: var(--white);
}

/* ── Section label (eyebrow text) ── */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--teal-500);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--teal-500);
  border-radius: 1px;
}

/* ── Scroll animations ── */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* ── Grain texture overlay ── */

.grain::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px;
  pointer-events: none;
  z-index: 1;
}

/* ── Selection ── */

::selection {
  background: var(--teal-200);
  color: var(--navy-700);
}

/* ── Focus visible ── */

:focus-visible {
  outline: 2px solid var(--teal-400);
  outline-offset: 2px;
}

/* ── Scrollbar ── */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}