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

:root {
  --bg: #050509;
  --bg-alt: #0c0c12;
  --card: #14141f;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --accent: #38f1a8;
  --accent-soft: rgba(56, 241, 168, 0.12);
  --accent-2: #4da8ff;
  --text: #f5f5ff;
  --muted: #9797b5;
  --danger: #ff4d7a;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-soft: 0 22px 60px rgba(0, 0, 0, 0.6);
  --max-width: 1120px;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: radial-gradient(circle at top, #151525 0, #050509 55%);
  color: var(--text);
  line-height: 1.6;
}

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

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

/* Layout */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5,5,10,0.95), rgba(5,5,10,0.7));
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.95rem;
  position: relative;
}

.logo-word {
  position: relative;
  z-index: 2;
}

.logo-x {
  position: relative;
  font-size: 1.25rem;
  color: var(--accent);
  opacity: 0.9;
  text-shadow: 0 0 18px rgba(56, 241, 168, 0.7);
}

.logo::before {
  content: "X";
  position: absolute;
  transform: translate(8px, 4px);
  font-size: 2.8rem;
  color: rgba(56, 241, 168, 0.14);
  filter: blur(1px);
  pointer-events: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.nav-links a {
  padding: 0.3rem 0.15rem;
  color: var(--muted);
  transition: color 0.18s ease, transform 0.18s ease;
}

.nav-links a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.nav-links .active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.18rem;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #050509;
  box-shadow: 0 18px 35px rgba(56, 241, 168, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 40px rgba(56, 241, 168, 0.4);
}

.btn-outline {
  border-color: var(--border-subtle);
  color: var(--muted);
  background: rgba(255,255,255,0.01);
}

.btn-outline:hover {
  border-color: var(--accent-soft);
  background: var(--accent-soft);
  color: var(--text);
}

.btn-ghost {
  background: rgba(255,255,255,0.02);
  border-color: transparent;
  color: var(--muted);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

.btn-full {
  width: 100%;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(77, 168, 255, 0.18), transparent 55%),
    radial-gradient(circle at top left, rgba(56, 241, 168, 0.18), transparent 55%);
  pointer-events: none;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.25rem 3.5rem;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.85rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-sub {
  max-width: 640px;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  font-size: 0.85rem;
}

.hero-metrics h3 {
  font-size: 1.3rem;
}

/* Sections */

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.6rem 1.25rem;
}

.section.alt {
  background: radial-gradient(circle at top, rgba(20,20,31,0.85), rgba(5,5,9,0.9));
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  margin-top: 1.5rem;
}

.section-header {
  max-width: 620px;
  margin-bottom: 1.9rem;
}

.section-header h2 {
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
}

.section-header p {
  color: var(--muted);
}

/* Grid & cards */

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 1.8rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.cards .card {
  background: linear-gradient(145deg, #14141f, #10101a);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.4rem 1.3rem;
  box-shadow: 0 12px 35px rgba(0,0,0,0.55);
}

.card.highlight {
  border-color: var(--accent-soft);
  background: radial-gradient(circle at top left, rgba(56,241,168,0.12), #10101a);
}

.card.featured {
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(56,241,168,0.35);
  position: relative;
}

.badge {
  display: inline-flex;
  padding: 0.18rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
  color: var(--muted);
}

.badge-primary {
  border-color: var(--accent);
  color: var(--accent);
}

/* Lists */

.list-check,
.list-dash {
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.list-check li::before {
  content: "✓";
  color: var(--accent);
  margin-right: 0.45rem;
}

.list-dash li::before {
  content: "—";
  color: var(--accent-2);
  margin-right: 0.45rem;
}

.list-check li,
.list-dash li {
  color: var(--muted);
  font-size: 0.92rem;
}

/* Steps */

.step {
  position: relative;
  padding-top: 2rem;
}

.step-number {
  position: absolute;
  top: 0.6rem;
  right: 0.9rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: rgba(255,255,255,0.06);
}

/* CTA */

.cta {
  padding: 2.5rem 1.25rem 3rem;
}

.cta-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.8rem;
  border-radius: 1.7rem;
  border: 1px solid rgba(56,241,168,0.35);
  background: radial-gradient(circle at top left, rgba(56,241,168,0.22), #050509);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.8);
  text-align: center;
}

.cta-inner h2 {
  font-size: 1.8rem;
  margin-bottom: 0.6rem;
}

.cta-inner p {
  color: var(--muted);
  margin-bottom: 1.3rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Page layout */

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.4rem 1.25rem 3rem;
}

.page-hero {
  margin-bottom: 1.8rem;
}

.page-hero h1 {
  font-size: 2rem;
  margin-bottom: 0.35rem;
}

.page-hero p {
  color: var(--muted);
}

/* Forms */

.form {
  display: grid;
  gap: 0.9rem;
}

.form-group {
  display: grid;
  gap: 0.22rem;
  font-size: 0.88rem;
}

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

input,
select,
textarea {
  background: #050509;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 0.6rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 1px rgba(56,241,168,0.15);
}

/* Footer */

.footer {
  border-top: 1px solid var(--border-subtle);
  margin-top: 1rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  margin-bottom: 0.3rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--muted);
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Misc */

.center {
  text-align: center;
}

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

.small {
  font-size: 0.78rem;
}

/* Responsive */

@media (max-width: 800px) {
  .nav-inner {
    padding-inline: 1rem;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    padding: 0.75rem 1rem 1rem;
    background: rgba(5,5,9,0.98);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    gap: 0.5rem;
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
  }

  .nav-links.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .section.alt {
    border-radius: 0;
  }

  .hero-content {
    padding-top: 2.3rem;
  }

  .hero-metrics {
    gap: 1.2rem;
  }

  .cta-inner {
    padding: 1.6rem 1.3rem;
  }

  .footer-inner {
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }
}