/* Zero Hour — base styles */

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--ui);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(1200px 600px at 50% -200px, rgba(0,245,255,0.06), transparent 60%),
    radial-gradient(800px 400px at 80% 120%, rgba(0,245,255,0.04), transparent 60%),
    var(--bg);
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color .15s var(--ease);
}
a:hover { color: #7af6ff; }

::selection {
  background: rgba(0, 245, 255, 0.25);
  color: var(--text);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ui);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--text);
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.5rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.025em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
h4 { font-size: 1.1rem; }

p { margin: 0 0 1em; color: var(--text); }
p, li { font-size: 1rem; line-height: 1.7; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.container-prose { max-width: var(--max-prose); margin: 0 auto; padding: 0 24px; }

.mono { font-family: var(--mono); letter-spacing: 0; }
.muted { color: var(--text-2); }
.dim { color: var(--text-3); }
.uppercase { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; }

/* nav */
header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  background: rgba(10, 10, 10, 0.65);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max);
  margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  text-transform: uppercase;
  font-size: 0.95rem;
}
.brand svg { display: block; }
.brand .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
  animation: pulse-dot 2.2s var(--ease) infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.nav-links {
  display: flex; gap: 28px; align-items: center;
}
.nav-links a {
  color: var(--text-2);
  font-size: 0.92rem;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.btn { color: #021014; }
.nav-links a.btn:hover { color: #021014; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-md);
  font-family: var(--ui);
  font-weight: 600;
  font-size: 0.92rem;
  background: var(--cyan);
  color: #021014;
  border: 1px solid var(--cyan);
  cursor: pointer;
  transition: transform .15s var(--ease), box-shadow .25s var(--ease);
  box-shadow: var(--glow-cyan);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--glow-cyan-strong); color: #021014; }
.btn.ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: none;
}
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* mobile nav */
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 8px; }
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(14px);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
    gap: 18px;
  }
}

/* footer */
footer {
  border-top: 1px solid var(--border);
  margin-top: 120px;
  padding: 64px 0 40px;
  color: var(--text-2);
  font-size: 0.9rem;
}
footer .grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max); margin: 0 auto; padding: 0 24px;
}
footer h5 {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  color: var(--text-3);
  font-weight: 600;
  margin-bottom: 14px;
}
footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
footer a { color: var(--text-2); }
footer a:hover { color: var(--cyan); }
.footer-bot {
  max-width: var(--max); margin: 40px auto 0; padding: 22px 24px 0;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem; color: var(--text-3);
}
@media (max-width: 760px) {
  footer .grid { grid-template-columns: 1fr 1fr; }
}

/* sections */
section { padding: 100px 0; position: relative; }
section.tight { padding: 64px 0; }

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 6px 12px;
  border: 1px solid rgba(0,245,255,0.25);
  border-radius: 999px;
  background: rgba(0,245,255,0.04);
  margin-bottom: 22px;
}

/* card */
.card {
  background: linear-gradient(180deg, var(--surface) 0%, #0d0d0d 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.card:hover { border-color: var(--border-strong); }
.card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(0,245,255,0.04) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.card:hover::before { opacity: 1; }

.kbd {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 2px 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 4px;
  color: var(--text-2);
}

/* article prose */
.prose h2 { margin-top: 56px; margin-bottom: 18px; }
.prose h3 { margin-top: 36px; margin-bottom: 12px; font-size: 1.3rem; }
.prose p { color: var(--text); margin-bottom: 1.1em; }
.prose ul, .prose ol { margin: 0 0 1.4em; padding-left: 1.4em; }
.prose li { margin-bottom: 0.6em; }
.prose blockquote {
  margin: 1.8em 0;
  padding: 18px 22px;
  border-left: 2px solid var(--cyan);
  background: var(--surface);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--text);
  font-style: normal;
}
.prose code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: #b6f5fb;
}
.prose pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.55;
  margin: 1.6em 0;
}
.prose pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: #cfeff3;
}
.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}
.prose a { border-bottom: 1px dotted rgba(0,245,255,0.45); }
.prose a:hover { border-bottom-color: var(--cyan); }

/* comparison table */
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 32px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.compare th, .compare td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compare th {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--text-2);
  background: #0e0e0e;
}
.compare th.us {
  color: var(--cyan);
  background: linear-gradient(180deg, rgba(0,245,255,0.07), transparent);
}
.compare td.us { color: var(--text); }
.compare td.us strong { color: var(--cyan); }
.compare .yes { color: var(--green); font-family: var(--mono); font-size: 0.84rem; }
.compare .no { color: var(--red); font-family: var(--mono); font-size: 0.84rem; }
.compare tr:last-child td { border-bottom: 0; }
.compare tr:hover td { background: rgba(0,245,255,0.02); }
@media (max-width: 760px) {
  .compare { font-size: 0.82rem; }
  .compare th, .compare td { padding: 10px 8px; }
}

/* breadcrumbs */
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-3);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { color: var(--border-strong); }

/* badges */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-2);
}
.badge.cyan { color: var(--cyan); border-color: rgba(0,245,255,0.35); background: rgba(0,245,255,0.06); }
.badge.gold { color: var(--gold); border-color: rgba(255,215,0,0.35); background: rgba(255,215,0,0.05); }

/* scroll reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}