:root {
  --color-bg-dark: #070714;
  --color-bg-panel: rgba(13, 13, 33, 0.65);
  --color-border: rgba(0, 240, 255, 0.2);
  --color-border-glow: rgba(0, 240, 255, 0.5);
  --color-cyan: #00f0ff;
  --color-magenta: #ff007f;
  --color-green: #39ff14;
  --color-yellow: #ffe600;
  --color-text-main: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-black: #020205;
  --font-cyber: 'Orbitron', sans-serif;
  --font-sans: 'Outfit', sans-serif;
  --box-shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.35);
  --box-shadow-magenta: 0 0 15px rgba(255, 0, 127, 0.35);
  --box-shadow-green: 0 0 15px rgba(57, 255, 20, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* Background Cyber Grid */
.cyber-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center;
  pointer-events: none;
}

.cyber-bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 20%, rgba(0, 240, 255, 0.08), transparent 45%),
              radial-gradient(circle at 50% 50%, transparent 40%, rgba(7, 7, 20, 0.85) 90%);
  pointer-events: none;
}

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

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Nav --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(7, 7, 20, 0.75);
  border-bottom: 1px solid var(--color-border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.nav-logo {
  font-family: var(--font-cyber);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--color-cyan);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}

.nav-logo span {
  color: var(--color-text-main);
  text-shadow: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-cyber);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.6rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan), #0090ff);
  color: var(--color-black);
  box-shadow: var(--box-shadow-cyan);
}

.btn-primary:hover {
  box-shadow: 0 0 26px rgba(0, 240, 255, 0.6);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-main);
}

.btn-ghost:hover {
  border-color: var(--color-border-glow);
  box-shadow: var(--box-shadow-cyan);
}

.btn-small {
  padding: 0.55rem 1.1rem;
  font-size: 0.75rem;
}

/* --- Hero --- */
.hero {
  padding: 5rem 0 4rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3rem;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-cyber);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-green);
  border: 1px solid rgba(57, 255, 20, 0.35);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.4rem;
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.hero h1 {
  font-family: var(--font-cyber);
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 1.2rem;
}

.hero h1 .glow {
  color: var(--color-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.6), 0 0 46px rgba(0, 240, 255, 0.25);
}

.hero p.lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 1.6rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.hero-note strong {
  color: var(--color-yellow);
  font-weight: 600;
}

/* --- CSS 3D cube --- */
.cube-stage {
  perspective: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 320px;
}

.cube3d {
  position: relative;
  width: 160px;
  height: 160px;
  transform-style: preserve-3d;
  animation: spin 14s linear infinite;
}

.cube3d .face {
  position: absolute;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(2, 2, 5, 0.6);
  border-radius: 6px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.35);
  background-image:
    repeating-linear-gradient(to right, rgba(2, 2, 5, 0.55) 0, rgba(2, 2, 5, 0.55) 2px, transparent 2px, transparent 32px),
    repeating-linear-gradient(to bottom, rgba(2, 2, 5, 0.55) 0, rgba(2, 2, 5, 0.55) 2px, transparent 2px, transparent 32px);
  background-size: 160px 160px;
}

.face-front  { transform: rotateY(0deg) translateZ(80px); background: #00c853; }
.face-back   { transform: rotateY(180deg) translateZ(80px); background: #0088ff; }
.face-right  { transform: rotateY(90deg) translateZ(80px); background: #ff0055; }
.face-left   { transform: rotateY(-90deg) translateZ(80px); background: #ff7f00; }
.face-top    { transform: rotateX(90deg) translateZ(80px); background: #e8ecf4; }
.face-bottom { transform: rotateX(-90deg) translateZ(80px); background: #ffe600; }

@keyframes spin {
  from { transform: rotateX(-24deg) rotateY(0deg); }
  to   { transform: rotateX(-24deg) rotateY(360deg); }
}

/* --- Section shared --- */
section {
  padding: 4.2rem 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.6rem;
}

.section-head .kicker {
  font-family: var(--font-cyber);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-magenta);
  text-shadow: 0 0 10px rgba(255, 0, 127, 0.5);
  display: block;
  margin-bottom: 0.6rem;
}

.section-head h2 {
  font-family: var(--font-cyber);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 0.7rem;
}

.section-head p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* --- Feature grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
}

.card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.6rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-3px);
}

.card .icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--color-border);
}

.card h3 {
  font-family: var(--font-cyber);
  font-size: 0.95rem;
  margin-bottom: 0.55rem;
  letter-spacing: 0.02em;
}

.card p {
  font-size: 0.87rem;
  color: var(--color-text-muted);
}

/* --- Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.8rem 1.5rem 1.5rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  font-family: var(--font-cyber);
  font-size: 0.8rem;
  color: var(--color-black);
  background: var(--color-cyan);
  box-shadow: var(--box-shadow-cyan);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.9rem;
}

.step h3 {
  font-family: var(--font-cyber);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
  max-width: 720px;
  margin: 0 auto;
}

.price-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2rem 1.7rem;
  text-align: center;
}

.price-card.featured {
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: var(--box-shadow-cyan);
  position: relative;
}

.price-card .tag {
  font-family: var(--font-cyber);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 0.8rem;
}

.price-card .amount {
  font-family: var(--font-cyber);
  font-size: 2.2rem;
  color: var(--color-cyan);
  text-shadow: 0 0 16px rgba(0, 240, 255, 0.5);
  margin-bottom: 0.3rem;
}

.price-card .amount small {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
}

.price-card ul {
  list-style: none;
  margin: 1.2rem 0 1.6rem;
  text-align: left;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.price-card li::before {
  content: "✓";
  color: var(--color-green);
  margin-right: 0.5rem;
  font-weight: 700;
}

/* --- Final CTA --- */
.final-cta {
  text-align: center;
  padding: 4.5rem 0 5rem;
}

.final-cta h2 {
  font-family: var(--font-cyber);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  margin-bottom: 1rem;
}

.final-cta p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 3rem;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero p.lead {
    margin-left: auto;
    margin-right: auto;
  }
  .cube-stage {
    order: -1;
    height: 240px;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}