/* Minimal, developer-friendly CSS.
   Intent: readable layout, accessible defaults, no framework. */

:root {
  --bg: #0b0d12;
  --panel: #111623;
  --text: #e7eaf0;
  --muted: #a7b0c0;
  --border: #24304a;
  --link: #8ab4ff;
  --link-hover: #b6d2ff;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --max: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.55;
  color: var(--text);
  background: radial-gradient(1100px 600px at 30% -10%, rgba(138, 180, 255, 0.16), transparent 55%),
    radial-gradient(800px 500px at 90% 0%, rgba(175, 140, 255, 0.11), transparent 50%),
    var(--bg);
}

a {
  color: var(--link);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--link-hover);
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: #000;
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 1000;
}
.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11, 13, 18, 0.72);
  border-bottom: 1px solid rgba(36, 48, 74, 0.7);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.brand__logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(36, 48, 74, 0.9);
  background: rgba(255, 255, 255, 0.02);
  object-fit: contain;
}

.brand__text {
  font-weight: 650;
  letter-spacing: 0.2px;
}

.nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav__links a {
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--text);
  opacity: 0.9;
}

.nav__links a:hover {
  border-color: rgba(36, 48, 74, 0.9);
  background: rgba(17, 22, 35, 0.7);
}

.section {
  padding: 34px 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(28px, 3.2vw, 44px);
}

h2 {
  font-size: 26px;
  margin-top: 6px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 15px;
  color: var(--text);
  opacity: 0.95;
}

p {
  margin: 0 0 12px;
}

.lead {
  color: var(--text);
  opacity: 0.92;
  font-size: 16px;
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 14px;
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--cards {
  align-items: stretch;
}

.grid--cards > .card {
  height: 100%;
}

@media (max-width: 780px) {
  .grid--2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: linear-gradient(180deg, rgba(17, 22, 35, 0.9), rgba(17, 22, 35, 0.66));
  border: 1px solid rgba(36, 48, 74, 0.85);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 16px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.button {
  display: inline-block;
  text-decoration: none;
  color: #071017;
  background: var(--link);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 650;
}

.button:hover {
  background: var(--link-hover);
}

.button--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(36, 48, 74, 0.9);
}

.button--ghost:hover {
  background: rgba(17, 22, 35, 0.65);
  color: var(--text);
}

.list {
  margin: 10px 0 0;
  padding-left: 18px;
}

.list li {
  margin: 8px 0;
}

.dl {
  margin: 10px 0 0;
  display: grid;
  gap: 10px;
}

.dl > div {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 10px;
}

@media (max-width: 520px) {
  .dl > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
}

.stack {
  display: grid;
  gap: 14px;
}

.site-footer {
  border-top: 1px solid rgba(36, 48, 74, 0.7);
  background: rgba(11, 13, 18, 0.6);
  padding: 18px 0;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand__logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(36, 48, 74, 0.9);
  object-fit: contain;
  background: rgba(255, 255, 255, 0.02);
}

.footer-links {
  display: flex;
  gap: 12px;
}