/* === Logic Gate IT — base styles === */
:root {
  --navy-950: #0B1220;
  --navy-900: #0F172A;
  --navy-800: #1E293B;
  --navy-700: #334155;
  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --blue-400: #60A5FA;
  --blue-300: #93C5FD;
  --orange-500: #F97316;
  --orange-400: #FB923C;
  --ink: #0F172A;
  --ink-2: #475569;
  --ink-3: #64748B;
  --line: #E2E8F0;
  --line-2: #CBD5E1;
  --bg: #FFFFFF;
  --bg-2: #F8FAFC;
  --bg-3: #F1F5F9;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow: 0 8px 24px -8px rgba(15,23,42,.12), 0 2px 6px -2px rgba(15,23,42,.06);
  --shadow-lg: 0 24px 60px -20px rgba(15,23,42,.22), 0 8px 20px -8px rgba(15,23,42,.10);
  --shadow-glow: 0 0 0 1px rgba(37,99,235,.18), 0 20px 60px -10px rgba(37,99,235,.35);

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.55;
}
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

h1,h2,h3,h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  font-weight: 600;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
}

/* Global mobile hygiene */
html, body { overflow-x: hidden; }
img, svg, video { max-width: 100%; height: auto; }
@media (max-width: 640px) {
  .btn { width: 100%; }
  .btn.btn-sm { width: auto; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-600);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.18);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(37,99,235,.18);
}
.eyebrow.eyebrow-dark {
  color: var(--blue-300);
  background: rgba(96,165,250,0.10);
  border-color: rgba(96,165,250,0.25);
}
.eyebrow.eyebrow-dark .dot { background: var(--blue-400); box-shadow: 0 0 0 4px rgba(96,165,250,.22); }
.eyebrow.eyebrow-orange { color: var(--orange-500); background: rgba(249,115,22,0.10); border-color: rgba(249,115,22,0.22); }
.eyebrow.eyebrow-orange .dot { background: var(--orange-500); box-shadow: 0 0 0 4px rgba(249,115,22,.22); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(37,99,235,.5), inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-primary:hover { background: #1D4FCB; box-shadow: 0 12px 28px -6px rgba(37,99,235,.55); }
.btn-orange {
  background: var(--orange-500);
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(249,115,22,.55), inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-orange:hover { background: #EA670D; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn-ghost-dark {
  background: rgba(255,255,255,0.04);
  color: #E2E8F0;
  border-color: rgba(255,255,255,0.14);
  backdrop-filter: blur(8px);
}
.btn-ghost-dark:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.28); }
.btn-white { background: #fff; color: var(--navy-900); }
.btn-white:hover { background: #F1F5F9; }
.btn-sm { padding: 10px 16px; font-size: 14px; border-radius: 10px; }

/* Section */
section { position: relative; }
.section { padding: 120px 0; }
.section-tight { padding: 80px 0; }
@media (max-width: 720px) {
  .section { padding: 80px 0; }
  .section-tight { padding: 56px 0; }
}

.section-head {
  display: grid;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-head h2 { font-size: clamp(36px, 4.4vw, 56px); }
.section-head p { color: var(--ink-2); font-size: 18px; max-width: 600px; margin: 0 auto; }
.section-head.left { text-align: left; margin-left: 0; margin-right: 0; }
.section-head.left p { margin: 0; }

/* Cards */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--line-2);
}

/* Glass card (dark contexts) */
.glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* Decorative dotted/grid backgrounds */
.bg-grid {
  background-image:
    linear-gradient(rgba(148,163,184,0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,0.18) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
}
.bg-grid-dark {
  background-image:
    linear-gradient(rgba(148,163,184,0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,0.10) 1px, transparent 1px);
  background-size: 56px 56px;
}
.fade-edges {
  -webkit-mask-image: radial-gradient(ellipse at center, #000 40%, transparent 75%);
          mask-image: radial-gradient(ellipse at center, #000 40%, transparent 75%);
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Image placeholders (no hand-drawn illustrations) */
.placeholder {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(15,23,42,0.04) 0 12px, rgba(15,23,42,0.07) 12px 24px),
    var(--bg-3);
  border: 1px dashed var(--line-2);
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 12px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
  letter-spacing: 0.04em;
}
.placeholder.dark {
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 12px, rgba(255,255,255,0.07) 12px 24px),
    rgba(255,255,255,0.02);
  border-color: rgba(255,255,255,0.15);
  color: rgba(226,232,240,0.7);
}

/* Marquee */
.marquee {
  display: flex;
  overflow: hidden;
  gap: 56px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 56px;
  animation: marquee 38s linear infinite;
  flex-shrink: 0;
  align-items: center;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* Status indicator */
.live-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 4px rgba(34,197,94,.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34,197,94,.18); }
  50% { box-shadow: 0 0 0 8px rgba(34,197,94,.05); }
}

/* Aurora glow */
.aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora::before, .aurora::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.aurora::before {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #2563EB 0%, transparent 60%);
  top: -120px; left: -80px;
}
.aurora::after {
  width: 480px; height: 480px;
  background: radial-gradient(circle, #F97316 0%, transparent 60%);
  bottom: -160px; right: -100px;
  opacity: .35;
}

/* Focus ring */
:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 2px; border-radius: 4px; }