/**
 * Core Dynamic System - Base Styles & Resets
 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg0);
  color: var(--txt);
  font-family: var(--fb);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--fh);
  letter-spacing: -0.015em;
  line-height: 1.12;
}

img, svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

section {
  padding: 96px 24px;
  scroll-margin-top: calc(var(--hh) + 12px);
  position: relative;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--cyan);
  color: #020814;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 8px;
  z-index: 100;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 16px;
}

/* Typography Utilities */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 12px/1 var(--fb);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(52, 231, 255, 0.35);
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(52, 231, 255, 0.07);
}

.h2 {
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 800;
  text-transform: uppercase;
  margin: 18px 0 14px;
}

.h2 .gd {
  color: var(--gold2);
}

.h2 .cy {
  color: var(--cyan);
}

.sub {
  color: var(--mut);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 760px;
}

.center {
  text-align: center;
}

.center .sub {
  margin: 0 auto;
}

/* Dynamic Background Decorator */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: 
    radial-gradient(720px 480px at 12% -4%, rgba(52, 231, 255, 0.14), transparent 60%),
    radial-gradient(820px 560px at 88% 22%, rgba(229, 167, 46, 0.10), transparent 60%),
    radial-gradient(900px 700px at 50% 110%, rgba(22, 199, 232, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 55%, var(--bg0));
  will-change: transform;
  transform: translateZ(0);
}

.bg-decor::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: 
    linear-gradient(rgba(52, 231, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52, 231, 255, 0.05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 80%);
}

.bg-decor::after {
  content: "";
  position: absolute;
  right: -140px;
  top: 16%;
  width: 520px;
  height: 560px;
  opacity: 0.07;
  background: conic-gradient(from 0deg, var(--gold) 0 25%, transparent 0 50%, var(--cyan) 0 75%, transparent 0);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  will-change: transform;
  transform: translateZ(0);
}