/* Minimal, fast CSS with neon blue primary and lime accent (5 colors total) */

:root {
  /* Color System (3-5 total)
     Primary: Electric Blue
     Accent: Neon Lime
     Neutrals: Near-black background, White, Slate gray
  */
  --color-bg: #0b0f14; /* near-black */
  --color-fg: #ffffff; /* white */
  --color-muted: #94a3b8; /* slate gray */
  --color-primary: #00b3ff; /* electric blue */
  --color-accent: #b6ff00; /* neon lime */

  --radius: 12px;
  --container: 1120px;

  --shadow-glow: 0 0 0px rgba(0, 0, 0, 0), 0 0 32px rgba(0, 179, 255, 0.25);
  --shadow-accent: 0 0 0px rgba(0, 0, 0, 0), 0 0 36px rgba(182, 255, 0, 0.25);
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-fg);
}

body {
  font-family:
    Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 10000;
  background: var(--color-primary);
  color: #000;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}

/* Layout */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 20, 0.7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-fg);
  font-weight: 700;
  font-family: Poppins, Inter, sans-serif;
  letter-spacing: 0.2px;
}
.brand:hover {
  text-decoration: none;
}
.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

/* Nav */
.site-nav {
  display: none;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
}
.site-nav a {
  color: var(--color-fg);
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  border: 1px solid transparent;
}
.site-nav a:hover,
.site-nav a:focus {
  border-color: rgba(0, 179, 255, 0.45);
  background: rgba(0, 179, 255, 0.08);
  outline: none;
}

/* Mobile nav toggle */
.nav-toggle {
  background: transparent;
  color: var(--color-fg);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  padding: 0.4rem;
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--color-fg);
}

/* Open state (JS toggles .open on .site-nav) */
.site-nav.open {
  display: block;
  position: absolute;
  right: 1rem;
  top: 64px;
  background: rgba(11, 15, 20, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 12px;
  padding: 0.5rem;
  box-shadow: var(--shadow-glow);
}
.site-nav.open ul {
  flex-direction: column;
}

/* Desktop */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
  .site-nav {
    display: block;
    position: static;
  }
  .site-nav.open {
    all: unset;
    display: block;
  }
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 48px;
}
.hero .container {
  display: grid;
  gap: 24px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.hero-title {
  font-family: Poppins, Inter, sans-serif;
  font-weight: 700;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 0.2px;
  text-wrap: balance;
}
.hero-subtitle {
  color: var(--color-muted);
  max-width: 60ch;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary);
  color: #001018;
  border: 0;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}
.hero-cta:hover {
  transform: translateY(-1px);
}
.hero-cta.secondary {
  background: transparent;
  color: var(--color-fg);
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: none;
}

/* Section utilities */
.section {
  padding: 56px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}
.section .section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.section h2 {
  font-family: Poppins, Inter, sans-serif;
  font-weight: 700;
  font-size: 26px;
}

/* Feature grid (Solutions) */
.grid {
  display: grid;
  gap: 16px;
}
@media (min-width: 640px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--radius);
  padding: 16px;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.01)) var(--color-bg);
  /* Subtle accent edge via inset shadow (no gradient fill) */
  box-shadow: inset 0 0 0 1px rgba(0, 179, 255, 0.08), var(--shadow-glow);
}
.card h3 {
  font-weight: 600;
  margin: 0 0 6px;
}
.card p {
  margin: 0;
  color: var(--color-muted);
}
.card .badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: #001018;
  background: var(--color-accent);
  padding: 4px 8px;
  border-radius: 999px;
  box-shadow: var(--shadow-accent);
}

/* Product callout */
.product-callout {
  display: grid;
  gap: 16px;
}
@media (min-width: 768px) {
  .product-callout {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}
.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  background: rgba(148, 163, 184, 0.15);
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--color-fg);
}

/* About */
.about {
  display: grid;
  gap: 16px;
}

/* Contact */
.contact {
  display: grid;
  gap: 16px;
}
.contact .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.button-outline {
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: var(--color-fg);
  background: transparent;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 600;
}
.button-outline:hover {
  border-color: rgba(0, 179, 255, 0.6);
  box-shadow: var(--shadow-glow);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.footer-nav {
  list-style: none;
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 0;
}
.footer-nav a {
  color: var(--color-muted);
}
.footer-nav a:hover {
  color: var(--color-fg);
}

/* Active link indicator */
a.is-active {
  border-bottom: 2px solid var(--color-primary);
}

/* Focus states */
a,
button,
[tabindex]:not([tabindex="-1"]) {
  outline: none;
}
a:focus-visible,
button:focus-visible {
  box-shadow: 0 0 0 2px #001018, 0 0 0 4px var(--color-primary);
  border-radius: 10px;
}

/* Small helpers */
.muted {
  color: var(--color-muted);
}