/* ThreatXIntel — modern static site stylesheet
   Brand: red #ec1c24, near-black #0a0a0a, dark navy backdrop, cyan accent.
   Hand-written, no framework. */

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

:root {
  --brand-red: #ec1c24;
  --brand-red-dark: #b8141a;
  --brand-red-glow: rgba(236, 28, 36, 0.55);
  --ink: #0a0a0a;
  --bg: #050917;
  --bg-2: #0a1228;
  --bg-3: #11193a;
  --panel: rgba(255, 255, 255, 0.03);
  --panel-strong: rgba(255, 255, 255, 0.06);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-border-bright: rgba(255, 255, 255, 0.14);
  --text: #eef1fa;
  --text-dim: #9aa5c1;
  --text-muted: #6b758f;
  --cyan: #5ee0ff;
  --cyan-dim: rgba(94, 224, 255, 0.55);
  --grad-brand: linear-gradient(135deg, #ec1c24 0%, #ff5a3c 100%);
  --grad-accent: linear-gradient(135deg, #ec1c24 0%, #5ee0ff 100%);
  --radius: 14px;
  --radius-lg: 20px;
  --maxw: 1200px;
  --transition: 240ms cubic-bezier(.2,.7,.2,1);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(94,224,255,0.10), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(236,28,36,0.14), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(94,224,255,0.06), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #03061a 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Animated grid background */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(94,224,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94,224,255,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}
body > * { position: relative; z-index: 1; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ======= NAV ======= */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(5, 9, 23, 0.78);
  border-bottom: 1px solid var(--panel-border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: var(--maxw); margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  transition: transform var(--transition), filter var(--transition);
}
.brand:hover { transform: translateY(-1px); }
.brand img {
  height: 52px; width: auto; max-width: 320px;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.55));
  transition: filter var(--transition), transform var(--transition);
}
.brand:hover img {
  filter: drop-shadow(0 0 18px rgba(236, 28, 36, 0.45))
          drop-shadow(0 4px 14px rgba(0, 0, 0, 0.55));
}
@media (max-width: 520px) {
  .brand img { height: 40px; max-width: 220px; }
}

.nav-links { display: flex; gap: 4px; align-items: center; list-style: none; }
.nav-links a {
  display: inline-block;
  padding: 9px 16px; border-radius: 10px;
  font-size: 14px; font-weight: 500; letter-spacing: .2px;
  color: var(--text-dim);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-links a.active {
  color: #fff;
  background: rgba(236, 28, 36, 0.14);
  box-shadow: inset 0 0 0 1px rgba(236, 28, 36, 0.35);
}
.nav-cta {
  background: var(--grad-brand); color: #fff !important; font-weight: 600 !important;
  padding: 10px 18px !important;
  box-shadow: 0 8px 24px -8px rgba(236, 28, 36, 0.7), inset 0 1px 0 rgba(255,255,255,0.18);
}
.nav-cta:hover {
  filter: brightness(1.08);
  box-shadow: 0 12px 32px -8px rgba(236, 28, 36, 0.85), inset 0 1px 0 rgba(255,255,255,0.18);
}

.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--panel-border);
  border-radius: 10px; padding: 9px 11px; cursor: pointer; color: #fff;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 4px 0; transition: var(--transition); border-radius: 2px; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ======= TYPOGRAPHY ======= */
.section { padding: 100px 0; position: relative; }
.section-sm { padding: 64px 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px;
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: #ffb6b9;
  border: 1px solid rgba(236, 28, 36, 0.4);
  background: linear-gradient(135deg, rgba(236, 28, 36, 0.18), rgba(236, 28, 36, 0.04));
  margin-bottom: 22px; font-weight: 600;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-red); box-shadow: 0 0 10px var(--brand-red-glow);
}
h1, h2, h3, h4 {
  color: #fff; line-height: 1.1; letter-spacing: -.02em;
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}
h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 700; }
h2 { font-size: clamp(30px, 3.8vw, 48px); font-weight: 700; margin-bottom: 16px; }
h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; letter-spacing: -.01em; }
p { color: var(--text-dim); }
.lead { font-size: 18px; color: #c8d0e3; max-width: 64ch; line-height: 1.65; }
.text-red { color: var(--brand-red); }
.text-cyan { color: var(--cyan); }
.gradient-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ======= BUTTONS ======= */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 12px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; font-size: 15px;
  font-family: inherit;
  transition: transform var(--transition), background var(--transition),
              border-color var(--transition), box-shadow var(--transition), filter var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--grad-brand); color: #fff;
  box-shadow: 0 14px 36px -10px rgba(236, 28, 36, 0.7),
              inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 18px 44px -10px rgba(236, 28, 36, 0.85),
              inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-ghost {
  color: #fff; border-color: var(--panel-border-bright);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--cyan-dim); background: rgba(94, 224, 255, 0.06); }

.btn[disabled], .btn.is-loading { cursor: not-allowed; }
.btn.is-loading { opacity: 0.75; filter: saturate(0.85); }
.btn.is-loading:hover { transform: none; filter: saturate(0.85); }
.btn-spinner {
  display: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  animation: btn-spin 0.7s linear infinite;
  flex-shrink: 0;
}
.btn.is-loading .btn-spinner { display: inline-block; }
@keyframes btn-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .btn-spinner { animation-duration: 1.6s; }
}

/* ======= HERO ======= */
.hero { padding: 120px 0 90px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -10% -10% 0 -10%;
  background: radial-gradient(circle at 20% 30%, rgba(236,28,36,0.12), transparent 50%);
  pointer-events: none;
}
.hero-grid {
  display: grid; gap: 64px;
  grid-template-columns: 1.1fr .9fr; align-items: center;
}
.hero h1 .accent {
  background: linear-gradient(135deg, #ec1c24 0%, #ff7a5c 60%, #ffb866 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero p { margin-top: 24px; font-size: 19px; max-width: 56ch; }
.hero-cta { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  position: relative; aspect-ratio: 1/1; max-width: 500px; margin: 0 auto;
}
.hero-visual::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at center, rgba(94,224,255,.22), transparent 60%);
  filter: blur(16px);
  animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .6; transform: scale(.95); } }
.shield-svg { position: relative; width: 100%; height: 100%; animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-14px); } }

/* ======= GRID CARDS ======= */
.cards {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: linear-gradient(180deg, var(--panel-strong) 0%, var(--panel) 100%);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform var(--transition), border-color var(--transition),
              background var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
  backdrop-filter: blur(8px);
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at top right, rgba(236, 28, 36, 0.08), transparent 60%);
  opacity: 0; transition: opacity var(--transition);
  pointer-events: none;
}
.card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--grad-accent);
  transition: width var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(236, 28, 36, 0.45);
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6),
              0 0 0 1px rgba(236, 28, 36, 0.15);
}
.card:hover::before { opacity: 1; }
.card:hover::after { width: 100%; }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(236, 28, 36, 0.18), rgba(236, 28, 36, 0.06));
  border: 1px solid rgba(236, 28, 36, 0.25);
  color: var(--brand-red);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 0 24px -6px var(--brand-red-glow);
}
.card .icon svg { width: 24px; height: 24px; }
.card p { font-size: 14.5px; }

/* ======= SERVICES LIST ======= */
.svc-list {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  list-style: none;
}
.svc-list li {
  background: linear-gradient(180deg, var(--panel-strong) 0%, var(--panel) 100%);
  border: 1px solid var(--panel-border);
  border-radius: 12px; padding: 18px 20px;
  display: flex; align-items: flex-start; gap: 14px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.svc-list li:hover {
  border-color: rgba(236, 28, 36, 0.45);
  transform: translateX(4px);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.6);
}
.svc-list .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--brand-red);
  box-shadow: 0 0 14px var(--brand-red-glow);
  flex-shrink: 0; margin-top: 6px;
}

/* ======= ABOUT/CONTENT ======= */
.split {
  display: grid; gap: 64px;
  grid-template-columns: 1fr 1fr; align-items: center;
}
.bullet-list { list-style: none; margin-top: 26px; display: grid; gap: 14px; }
.bullet-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: 15.5px; }
.bullet-list li svg { flex-shrink: 0; color: var(--brand-red); margin-top: 4px; filter: drop-shadow(0 0 8px var(--brand-red-glow)); }

/* ======= STATS ======= */
.stats {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  padding: 40px;
  background: linear-gradient(180deg, var(--panel-strong) 0%, var(--panel) 100%);
  border: 1px solid var(--panel-border-bright);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  position: relative; overflow: hidden;
}
.stats::before {
  content: ""; position: absolute; top: -1px; left: 20%; right: 20%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-red), transparent);
}
.stat .num {
  font-size: 40px; font-weight: 700; color: #fff;
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  line-height: 1;
}
.stat .num span {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat .lbl { color: var(--text-dim); font-size: 14px; margin-top: 8px; }

/* ======= CONTACT FORM ======= */
.contact-grid {
  display: grid; gap: 56px;
  grid-template-columns: 1fr 1.2fr; align-items: start;
}
.contact-info { display: grid; gap: 20px; }
.contact-card {
  background: linear-gradient(180deg, var(--panel-strong) 0%, var(--panel) 100%);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius); padding: 24px;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.contact-card:hover { border-color: rgba(236, 28, 36, 0.4); }
.contact-card h3 { color: var(--brand-red); font-size: 12px; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 8px; font-family: 'Inter', sans-serif; font-weight: 600; }
.contact-card p { color: #fff; font-size: 16px; }
.contact-card small { color: var(--text-dim); }

form.contact-form {
  background: linear-gradient(180deg, var(--panel-strong) 0%, var(--panel) 100%);
  border: 1px solid var(--panel-border-bright);
  border-radius: var(--radius-lg); padding: 36px;
  display: grid; gap: 18px;
  backdrop-filter: blur(10px);
  position: relative;
}
form.contact-form::before {
  content: ""; position: absolute; top: -1px; left: 20%; right: 20%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-red), transparent);
}
.form-row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.field label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 8px; font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%; background: rgba(0,0,0,0.4); border: 1px solid var(--panel-border);
  border-radius: 10px; padding: 13px 15px; color: #fff; font-size: 15px;
  font-family: inherit; transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand-red);
  background: rgba(0,0,0,0.5);
  box-shadow: 0 0 0 4px rgba(236, 28, 36, 0.15);
}
.field textarea { resize: vertical; min-height: 140px; }

/* ======= FOOTER ======= */
.site-footer {
  border-top: 1px solid var(--panel-border);
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.4) 100%);
  padding: 64px 0 32px; margin-top: 80px;
}
.footer-grid {
  display: grid; gap: 40px;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
}
.footer-grid h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .14em; color: #fff; margin-bottom: 16px; font-family: 'Inter', sans-serif; font-weight: 600; }
.footer-grid ul { list-style: none; display: grid; gap: 10px; }
.footer-grid a { color: var(--text-dim); font-size: 14px; transition: color var(--transition); }
.footer-grid a:hover { color: var(--brand-red); }
.footer-bottom {
  margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--panel-border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--text-muted); font-size: 13px;
}

/* ======= REVEAL ======= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .shield-svg, .hero-visual::before { animation: none; }
  html { scroll-behavior: auto; }
}

/* ======= CTA BANNER ======= */
.cta-banner {
  background:
    linear-gradient(135deg, rgba(236, 28, 36, 0.22), rgba(94, 224, 255, 0.08)),
    linear-gradient(180deg, var(--panel-strong) 0%, var(--panel) 100%);
  border: 1px solid rgba(236, 28, 36, 0.35);
  border-radius: var(--radius-lg); padding: 56px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  backdrop-filter: blur(10px);
  position: relative; overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(236, 28, 36, 0.4);
}
.cta-banner::before {
  content: ""; position: absolute; top: -1px; left: 20%; right: 20%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-red), transparent);
}
.cta-banner h2 { margin: 0; }

/* ======= RESPONSIVE ======= */
@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: rgba(5, 9, 23, 0.98);
    border-top: 1px solid var(--panel-border);
    padding: 12px 16px; gap: 4px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: var(--transition);
    backdrop-filter: blur(16px);
  }
  .nav-links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 14px 16px; }
  .hero { padding: 70px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { max-width: 340px; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { padding: 32px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats { padding: 26px; }
  body::before { background-size: 36px 36px; }
}