/* AEQ Landing — design tokens & globals */
/* Dark theme as default with vibrant accents */
:root{
  --bg: #030712;
  --bg-elev: #0f172a;
  --ink: #f8fafc;
  --ink-soft: #e2e8f0;
  --ink-mute: #94a3b8;
  --line: rgba(148,163,184,.12);
  --line-strong: rgba(148,163,184,.25);
  --sky: #06b6d4;
  --cyan: #22d3ee;
  --lime: #10b981;
  --purple: #a855f7;
  --pink: #ec4899;
  --orange: #f97316;
  --grad: linear-gradient(95deg, #06b6d4 0%, #a855f7 45%, #ec4899 72%, #f97316 100%);
  --grad-soft: linear-gradient(135deg, rgba(6,182,212,.25), rgba(168,85,247,.15));
  --accent: var(--cyan);
  --radius: 18px;
  --radius-lg: 28px;
  --shadow-1: 0 1px 0 rgba(255,255,255,.05) inset, 0 8px 32px rgba(0,0,0,.6);
  --shadow-2: 0 30px 80px -28px rgba(0,0,0,.9);
  --glow: 0 0 40px rgba(6,182,212,.3);
  --font-heading: "Newsreader",Georgia,serif;
  --font-sans: "Archivo",system-ui,sans-serif;
  --font-mono: ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* Light theme option */
[data-theme="light"]{
  --bg: #f8fafc;
  --bg-elev: #ffffff;
  --ink: #0f172a;
  --ink-soft: #334155;
  --ink-mute: #64748b;
  --line: rgba(15,23,42,.10);
  --line-strong: rgba(15,23,42,.20);
  --shadow-1: 0 1px 0 rgba(255,255,255,.7) inset, 0 1px 2px rgba(15,23,42,.04), 0 8px 24px -12px rgba(15,23,42,.18);
  --shadow-2: 0 24px 60px -28px rgba(15,23,42,.35);
  --glow: 0 0 40px rgba(6,182,212,.15);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{
  scroll-behavior:smooth;
  /* Support for dynamic viewport on mobile */
  height: 100%;
  height: -webkit-fill-available;
}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);
  font-feature-settings:"ss01","ss02","cv11";
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
  /* Prevent pull-to-refresh on mobile */
  overscroll-behavior-y: contain;
  /* Support for dynamic viewport on mobile */
  min-height: 100%;
  min-height: -webkit-fill-available;
  /* Prevent text size adjustment on orientation change */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Ensure touch targets are accessible */
button, a, [role="button"] {
  touch-action: manipulation;
}

/* Smooth scrolling but respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
.mono{font-family:var(--font-mono);font-feature-settings:"zero","ss02"}
a{color:inherit;text-decoration:none}

/* Page bg — animated glow effects */
.page-bg{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.page-bg::before{
  content:"";position:absolute;inset:-20%;
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(6,182,212,.20), transparent 70%),
    radial-gradient(50% 40% at 85% 20%, rgba(168,85,247,.15), transparent 70%),
    radial-gradient(45% 35% at 70% 80%, rgba(236,72,153,.12), transparent 70%),
    radial-gradient(40% 30% at 20% 90%, rgba(16,185,129,.10), transparent 70%);
  filter:blur(60px);
  animation:bg-drift 28s ease-in-out infinite alternate;
}
.page-bg::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 30%, #000 0%, transparent 80%);
  opacity:.5;
}
@keyframes bg-drift{
  0%{transform:translate3d(0,0,0) rotate(0)}
  100%{transform:translate3d(2%,-3%,0) rotate(8deg)}
}

/* layout */
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:120px 0;position:relative}
@media (max-width:760px){
  .wrap{padding:0 20px}
  .section{padding:80px 0}
}

/* eyebrow */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan);
  padding:8px 14px;border:1px solid rgba(6,182,212,.3);border-radius:999px;
  background:rgba(6,182,212,.08);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(16,185,129,.25), 0 0 20px rgba(16,185,129,.5);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.35);box-shadow:0 0 0 8px rgba(16,185,129,0), 0 0 30px rgba(16,185,129,.3)}}

/* Headings */
h1,h2,h3{margin:0;letter-spacing:-.01em;text-wrap:balance;font-family:var(--font-heading);font-weight:300}
.h-display{font-size:clamp(42px,7vw,100px);line-height:1.05;font-weight:300;letter-spacing:-.02em;font-family:var(--font-heading)}
.h-xl{font-size:clamp(32px,4.5vw,56px);line-height:1.1;font-weight:300;letter-spacing:-.015em;font-family:var(--font-heading)}
.h-lg{font-size:clamp(24px,2.6vw,36px);line-height:1.15;font-weight:300;letter-spacing:-.01em;font-family:var(--font-heading)}
.lead{font-size:clamp(16px,1.2vw,18px);line-height:1.65;color:var(--ink-mute);max-width:62ch;text-wrap:pretty;font-family:var(--font-sans)}

/* Gradient text */
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg, var(--cyan) 0%, var(--sky) 100%);
  color:#030712;
  box-shadow:0 12px 24px -12px rgba(6,182,212,.5), var(--glow);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 32px -10px rgba(6,182,212,.6), 0 0 60px rgba(6,182,212,.4);
}
.btn-primary .arrow{transition:transform .25s ease}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{background:rgba(148,163,184,.08);color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(148,163,184,.15);border-color:var(--cyan)}

/* card */
.card{
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  transition:border-color .3s ease, box-shadow .3s ease;
}
.card:hover{
  border-color:rgba(6,182,212,.3);
  box-shadow:var(--shadow-1), 0 0 30px rgba(6,182,212,.1);
}

/* utility */
.row{display:flex;gap:16px;align-items:center}
.between{display:flex;justify-content:space-between;align-items:center;gap:24px}
.stack{display:flex;flex-direction:column;gap:16px}
.muted{color:var(--ink-mute)}
.divider{height:1px;background:var(--line);width:100%}
.kbd{font-family:var(--font-mono);font-size:11px;padding:2px 6px;border:1px solid var(--line-strong);border-radius:6px;background:var(--bg-elev)}

/* Glow effect for accents */
.glow{
  box-shadow:var(--glow);
}

/* reduce motion */
.no-motion *, .no-motion *::before, .no-motion *::after{
  animation:none !important; transition:none !important;
}