:root {
  --bg: #0b0f1a;
  --accent: #00f0ff;
  --secondary: #b026ff;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.72);
  --glass: rgba(0, 240, 255, 0.06);
  --glass-strong: rgba(176, 38, 255, 0.1);
  --border: rgba(0, 240, 255, 0.22);
  --border-soft: rgba(255, 255, 255, 0.1);
  --panel: rgba(12, 18, 34, 0.82);
  --danger: #ff4d8d;
  --font-display: "Orbitron", sans-serif;
  --font-body: "Exo 2", sans-serif;
  --max: 1140px;
  --header-h: 72px;
  --radius: 14px;
  --glow-cyan: 0 0 24px rgba(0, 240, 255, 0.35);
  --glow-purple: 0 0 28px rgba(176, 38, 255, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body.cg-body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(176, 38, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 45% at 95% 5%, rgba(0, 240, 255, 0.16), transparent 50%),
    linear-gradient(180deg, #0d1324 0%, var(--bg) 40%, #080c16 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

body.cg-menu-open {
  overflow: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

a:hover {
  color: #fff;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin: 0 0 0.85rem;
  color: var(--text);
}

h1 {
  font-size: clamp(1.55rem, 3.6vw, 2.45rem);
  font-weight: 700;
  text-shadow: 0 0 28px rgba(0, 240, 255, 0.25);
}

h2 {
  font-size: clamp(1.35rem, 2.8vw, 1.95rem);
  font-weight: 700;
}

h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin: 0;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cg-wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.cg-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 0.6rem 1rem;
  z-index: 1000;
}

.cg-skip:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.cg-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11, 15, 26, 0.55);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.cg-header.is-stuck {
  background: rgba(11, 15, 26, 0.92);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), var(--glow-cyan);
}

.cg-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.cg-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.cg-logo img {
  height: 40px;
  width: auto;
}

.cg-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.15rem;
}

.cg-nav a {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.cg-nav a:hover {
  color: var(--accent);
}

.cg-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--glass);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.cg-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.cg-burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.cg-burger.is-open span:nth-child(2) {
  opacity: 0;
}

.cg-burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Panels / HUD */
.cg-panel {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2rem);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.cg-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--secondary), transparent);
  opacity: 0.85;
}

.cg-panel--accent {
  border-color: rgba(0, 240, 255, 0.35);
  box-shadow: var(--glow-cyan), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.cg-panel--purple {
  border-color: rgba(176, 38, 255, 0.4);
  box-shadow: var(--glow-purple), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.cg-hud-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.cg-hud-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.cg-section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.cg-section--tight {
  padding-top: 1.5rem;
}

.cg-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.cg-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Buttons */
.cg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
}

.cg-btn--primary {
  background: linear-gradient(135deg, var(--accent), #00c4d4);
  color: #041018;
  box-shadow: var(--glow-cyan);
}

.cg-btn--primary:hover {
  color: #041018;
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(0, 240, 255, 0.55);
}

.cg-btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--accent);
}

.cg-btn--ghost:hover {
  background: var(--glass);
  color: #fff;
  border-color: var(--accent);
}

.cg-btn--secondary {
  background: linear-gradient(135deg, var(--secondary), #7a1fc4);
  color: #fff;
  box-shadow: var(--glow-purple);
}

.cg-btn--secondary:hover {
  color: #fff;
  transform: translateY(-1px);
}

.cg-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

/* Hero */
.cg-hero {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  overflow: hidden;
}

.cg-hero__grid {
  display: grid;
  gap: 1.5rem;
}

.cg-hero__frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background:
    linear-gradient(145deg, rgba(0, 240, 255, 0.08), transparent 45%),
    linear-gradient(320deg, rgba(176, 38, 255, 0.12), transparent 50%),
    var(--panel);
  box-shadow: var(--glow-cyan);
  position: relative;
}

.cg-hero__frame::after {
  content: "";
  position: absolute;
  width: 48px;
  height: 48px;
  right: 12px;
  bottom: 12px;
  border-right: 2px solid var(--secondary);
  border-bottom: 2px solid var(--secondary);
  opacity: 0.7;
  pointer-events: none;
}

.cg-hero__frame::before {
  content: "";
  position: absolute;
  width: 48px;
  height: 48px;
  left: 12px;
  top: 12px;
  border-left: 2px solid var(--accent);
  border-top: 2px solid var(--accent);
  opacity: 0.7;
  pointer-events: none;
}

.cg-hero__lead {
  font-size: 1.08rem;
  max-width: 62ch;
}

/* Bonus */
.cg-bonus__layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .cg-bonus__layout {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
}

.cg-media {
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--glow-cyan);
}

.cg-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.cg-fig {
  margin: 0;
}

.cg-fig figcaption {
  margin-top: 0.65rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.cg-table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.cg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 480px;
}

.cg-table th,
.cg-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}

.cg-table th {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0, 240, 255, 0.08);
}

.cg-table tr:last-child td {
  border-bottom: 0;
}

.cg-table td:first-child {
  color: #fff;
  font-weight: 600;
  width: 38%;
}

.cg-table tbody tr:hover td {
  background: rgba(176, 38, 255, 0.08);
}

/* Steps */
.cg-steps {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .cg-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cg-step {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--glass);
  position: relative;
}

.cg-step__num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--secondary);
  margin-bottom: 0.55rem;
}

.cg-step h3 {
  margin-bottom: 0.45rem;
  color: var(--accent);
}

.cg-step p {
  font-size: 0.95rem;
  margin: 0;
}

/* Split layouts */
.cg-split {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

@media (min-width: 860px) {
  .cg-split {
    grid-template-columns: 1fr 1fr;
  }

  .cg-split--flip > :first-child {
    order: 2;
  }
}

.cg-stack {
  display: grid;
  gap: 1.25rem;
}

.cg-duo {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .cg-duo {
    grid-template-columns: 1fr 1fr;
  }
}

/* FAQ */
.cg-faq__list {
  display: grid;
  gap: 0.65rem;
}

.cg-faq__item {
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden;
}

.cg-faq__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.2rem;
  background: transparent;
  border: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.cg-faq__btn:hover {
  color: var(--accent);
}

.cg-faq__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  position: relative;
}

.cg-faq__icon::before,
.cg-faq__icon::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.cg-faq__icon::before {
  width: 10px;
  height: 2px;
  left: 5px;
  top: 9px;
}

.cg-faq__icon::after {
  width: 2px;
  height: 10px;
  left: 9px;
  top: 5px;
}

.cg-faq__item.is-open .cg-faq__icon::after {
  opacity: 0;
  transform: scaleY(0);
}

.cg-faq__panel {
  padding: 0 1.2rem 1.15rem;
}

.cg-faq__panel[hidden] {
  display: none;
}

/* Float CTA */
.cg-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.cg-float.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

/* Cookie */
.cg-cookie {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 95;
  max-width: min(420px, calc(100% - 2rem));
  padding: 1.1rem 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(11, 15, 26, 0.96);
  box-shadow: var(--glow-purple);
}

.cg-cookie[hidden] {
  display: none;
}

.cg-cookie p {
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
}

/* Footer */
.cg-footer {
  border-top: 1px solid var(--border-soft);
  padding: 2.5rem 0 2rem;
  background: rgba(0, 0, 0, 0.35);
  margin-top: 1rem;
}

.cg-footer__grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .cg-footer__grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

.cg-footer h3 {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.cg-footer a {
  color: var(--muted);
  font-size: 0.92rem;
}

.cg-footer a:hover {
  color: var(--accent);
}

.cg-footer__links {
  display: grid;
  gap: 0.45rem;
}

.cg-footer__note {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-soft);
  font-size: 0.82rem;
  color: var(--muted);
}

.cg-age {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--danger);
  color: var(--danger);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

/* Tech pages */
.cg-tech {
  padding: 3rem 0 4rem;
}

.cg-tech .cg-panel {
  max-width: 820px;
}

.cg-tech h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.cg-tech h2 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
  color: var(--accent);
}

/* Mobile nav */
@media (max-width: 900px) {
  .cg-burger {
    display: inline-flex;
  }

  .cg-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem;
    background: rgba(11, 15, 26, 0.97);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.28s ease;
  }

  .cg-nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .cg-nav a {
    padding: 0.95rem 1rem;
    border-radius: 10px;
    border: 1px solid transparent;
  }

  .cg-nav a:hover {
    background: var(--glass);
    border-color: var(--border);
  }
}