/* ============================================================
   LEUIG — Cyber Enforcement Universal Intelligence
   Main stylesheet — variables, base, layout
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Color palette */
  --bg-primary: #050810;
  --bg-secondary: #0A1020;
  --bg-tertiary: #111A2E;
  --bg-elevated: #18233D;
  --accent-primary: #00E5FF;
  --accent-secondary: #4DA8FF;
  --accent-danger: #FF3D5A;
  --accent-warning: #FFB800;
  --text-primary: #FFFFFF;
  --text-secondary: #B8C5DC;
  --text-tertiary: #7080A0;
  --text-muted: #4A5878;
  --border: rgba(0, 229, 255, 0.15);
  --border-strong: rgba(0, 229, 255, 0.35);
  --glow: 0 0 24px rgba(0, 229, 255, 0.35);
  --glow-strong: 0 0 40px rgba(0, 229, 255, 0.55);

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Spacing scale */
  --container: 1280px;
  --section-py: clamp(64px, 8vw, 120px);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.6);

  /* Transitions */
  --t-fast: 150ms cubic-bezier(.4,0,.2,1);
  --t-base: 250ms cubic-bezier(.4,0,.2,1);
  --t-slow: 450ms cubic-bezier(.4,0,.2,1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background mesh */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 229, 255, 0.15), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(0, 112, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(0, 160, 255, 0.06), transparent 60%);
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.012) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: -1;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
ul, ol { list-style: none; }

/* Force hidden attribute to win against any display: rule */
[hidden] { display: none !important; }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.25rem, 5.5vw, 4.5rem); font-weight: 700; }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.85rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); }
h4 { font-size: 1.15rem; }
p { color: var(--text-secondary); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-primary);
}

.gradient-text {
  background: linear-gradient(135deg, #00E5FF 0%, #4DA8FF 60%, #0070FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
}

/* Section base */
section {
  padding: var(--section-py) 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head p {
  font-size: 1.075rem;
  margin-top: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  transition: all var(--t-base);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: linear-gradient(135deg, #00E5FF 0%, #0070FF 100%);
  color: #001020;
  box-shadow: 0 8px 28px rgba(0, 229, 255, 0.25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0, 229, 255, 0.45);
}
.btn--ghost {
  border-color: var(--border-strong);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.02);
}
.btn--ghost:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: var(--glow);
}
.btn svg { width: 18px; height: 18px; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all var(--t-base);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
}
.site-header__logo img { height: 38px; width: auto; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-nav__link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--t-fast);
  position: relative;
  padding: 6px 0;
}
.site-nav__link:hover, .site-nav__link.is-active { color: var(--accent-primary); }
.site-nav__link.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--accent-primary);
}
.site-header__cta { display: flex; align-items: center; gap: 14px; }
.site-header__cta .btn { padding: 10px 20px; font-size: 0.88rem; }

/* Mobile menu */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform var(--t-base);
}
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.menu-toggle.is-active span { background: transparent; }
.menu-toggle.is-active span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle.is-active span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(5, 8, 16, 0.97);
    backdrop-filter: blur(20px);
    padding: 100px 24px 32px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    transform: translateY(-100%);
    transition: transform var(--t-slow);
    border-bottom: 1px solid var(--border);
  }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav__link {
    padding: 14px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border);
  }
  .site-header .container { gap: 14px; }
  .site-header__cta .btn--ghost { display: none; }
  .site-header__cta .btn--primary { padding: 10px 16px; font-size: 0.82rem; }
}

/* Narrow screens: hide the primary CTA in the header — the hamburger menu
   already exposes Contact, and the Start Protection CTAs appear in-page. */
@media (max-width: 540px) {
  .site-header__cta .btn--primary { display: none; }
  .site-header__logo img { height: 32px; }
  .site-header { padding: 14px 0; }
  .site-header.is-scrolled { padding: 10px 0; }
}

/* Hero */
.hero {
  padding-top: calc(var(--section-py) + 80px);
  padding-bottom: var(--section-py);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.hero__title {
  margin: 16px 0 20px;
}
.hero__sub {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  max-width: 680px;
  margin: 0 auto 32px;
}
.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__trust {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero__trust-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}
#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.7;
}

/* Stats */
.stats {
  background: linear-gradient(180deg, transparent 0%, rgba(0,229,255,0.025) 50%, transparent 100%);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(10, 16, 32, 0.5);
  backdrop-filter: blur(12px);
}
.stat {
  padding: 36px 28px;
  text-align: center;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat:nth-child(3n) { border-right: none; }
.stat:nth-child(n+4) { border-bottom: none; }
.stat__value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, #00E5FF 0%, #4DA8FF 60%, #0070FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
@media (max-width: 760px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:nth-child(odd) { border-right: 1px solid var(--border); }
  .stat:last-child:nth-child(odd) { grid-column: span 2; border-right: none; }
}
@media (max-width: 460px) {
  .stats__grid { grid-template-columns: 1fr; }
  .stat { border-right: none !important; }
}

/* Services grid */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 1000px) { .services__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .services__grid { grid-template-columns: 1fr; } }

.service-card {
  background: linear-gradient(180deg, rgba(17,26,46,0.7), rgba(10,16,32,0.5));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px rgba(0,229,255,.08);
}
.service-card:hover::before { opacity: 1; }
.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-primary);
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.service-card p { font-size: 0.94rem; }
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
  transition: gap var(--t-fast);
}
.service-card__link:hover { gap: 12px; }

/* Brands marquee */
.brands {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 16, 32, 0.4);
  overflow: hidden;
}
.brands__label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 36px;
}
.marquee {
  display: flex;
  overflow: hidden;
  user-select: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track {
  display: flex;
  gap: 64px;
  flex-shrink: 0;
  animation: marquee 36s linear infinite;
  padding-right: 64px;
}
.marquee--reverse .marquee__track { animation-direction: reverse; }
.marquee__item {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.55rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color var(--t-fast);
  display: flex;
  align-items: center;
  height: 56px;
}
.marquee__item:hover { color: var(--accent-primary); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Technology section */
.tech__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .tech__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tech__grid { grid-template-columns: 1fr; } }

.tech-card {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(10,16,32,0.5);
  position: relative;
  overflow: hidden;
}
.tech-card__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-primary);
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}
.tech-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
}
.tech-card p { font-size: 0.92rem; line-height: 1.55; }

/* CTA banner */
.cta-banner {
  text-align: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 64px 32px;
  background: radial-gradient(ellipse at center, rgba(0,229,255,0.08), transparent 60%), rgba(10, 16, 32, 0.7);
  position: relative;
  overflow: hidden;
}
.cta-banner h2 { max-width: 720px; margin: 0 auto 16px; }
.cta-banner p { max-width: 580px; margin: 0 auto 28px; }
.cta-banner__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(5, 8, 16, 0.9);
  padding: 64px 0 28px;
  margin-top: 60px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.8fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 900px) { .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 520px) { .site-footer__grid { grid-template-columns: 1fr; } }

.footer-brand p {
  margin: 14px 0 18px;
  font-size: 0.92rem;
  max-width: 320px;
}
.footer-brand__contact { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-tertiary); }
.footer-brand__contact a { display: block; padding: 4px 0; }
.footer-brand__contact a:hover { color: var(--accent-primary); }

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--accent-primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.84rem;
  color: var(--text-tertiary);
}
.footer-badges { display: flex; gap: 14px; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.footer-badges span { padding: 4px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); }

/* Subpage hero */
.subpage-hero {
  padding-top: calc(var(--section-py) + 80px);
  padding-bottom: var(--section-py);
  text-align: center;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.subpage-hero h1 { margin-bottom: 16px; }
.subpage-hero p { max-width: 700px; margin: 0 auto; font-size: 1.075rem; }

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent-primary); }
.breadcrumb span { color: var(--accent-primary); }

/* Prose for legal/about pages */
.prose {
  max-width: 760px;
  margin: 0 auto;
}
.prose h2 { margin: 56px 0 16px; font-size: 1.65rem; }
.prose h3 { margin: 36px 0 12px; font-size: 1.25rem; }
.prose p { margin-bottom: 16px; line-height: 1.75; }
.prose ul { margin: 16px 0 24px 0; padding-left: 0; }
.prose ul li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 10px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.prose ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--accent-primary);
}
.prose a { color: var(--accent-primary); border-bottom: 1px solid var(--border); }
.prose a:hover { border-color: var(--accent-primary); }
.prose strong { color: var(--text-primary); }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent-primary);
}

/* Forms */
.form-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
  max-width: 640px;
  margin: 0 auto;
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field--full { grid-column: span 2; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } .form-field--full { grid-column: span 1; } }

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.form-field input,
.form-field textarea,
.form-field select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(0,229,255,.1);
}
.form-field textarea { min-height: 140px; resize: vertical; }

/* Reveal animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}
[data-reveal][data-delay="100"] { transition-delay: 100ms; }
[data-reveal][data-delay="200"] { transition-delay: 200ms; }
[data-reveal][data-delay="300"] { transition-delay: 300ms; }
[data-reveal][data-delay="400"] { transition-delay: 400ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* Selection */
::selection { background: rgba(0,229,255,0.3); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }