/* ============================================================
   NEUROZON — Global Stylesheet
   Bold · Futuristic · Dark
   ============================================================ */

:root {
  --bg-primary:   #050510;
  --bg-secondary: #080820;
  --bg-card:      rgba(255, 255, 255, 0.04);
  --border-glow:  rgba(100, 255, 160, 0.25);
  --green:        #3dff9a;
  --green-dim:    #1aaa60;
  --blue:         #00aaff;
  --blue-dim:     #005fa3;
  --text-primary: #e8e8f0;
  --text-muted:   #7a7a9a;
  --white:        #ffffff;
  --font:         'Inter', 'Segoe UI', system-ui, sans-serif;
  --radius:       12px;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ── Navigation ─────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4rem;
  height: 72px;
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(61, 255, 154, 0.08);
  transition: background var(--transition);
}
.navbar.scrolled {
  background: rgba(5, 5, 16, 0.97);
  border-bottom-color: rgba(61, 255, 154, 0.18);
}
.navbar-logo img {
  height: 42px;
  filter: drop-shadow(0 0 8px rgba(61, 255, 154, 0.35));
  transition: filter var(--transition);
}
.navbar-logo img:hover { filter: drop-shadow(0 0 16px rgba(61, 255, 154, 0.75)); }

.navbar-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.navbar-links a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--green);
  transition: width var(--transition);
}
.navbar-links a:hover,
.navbar-links a.active { color: var(--green); }
.navbar-links a:hover::after,
.navbar-links a.active::after { width: 100%; }

.navbar-cta {
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--green);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  transition: all var(--transition);
  white-space: nowrap;
}
.navbar-cta:hover {
  background: var(--green);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(61, 255, 154, 0.4);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Page Header ─────────────────────────────── */
.page-hero {
  padding: 160px 4rem 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(61,255,154,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.page-hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Section ─────────────────────────────────── */
.section {
  padding: 6rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--green);
}
.section h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.section p.lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin-bottom: 3rem;
}

/* ── Gradient Text ───────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: var(--green);
  color: var(--bg-primary);
  box-shadow: 0 0 0 rgba(61, 255, 154, 0);
}
.btn-primary:hover {
  background: #5fffb0;
  box-shadow: 0 0 30px rgba(61, 255, 154, 0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

/* ── Cards ───────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}
.card:hover {
  border-color: rgba(61, 255, 154, 0.5);
  box-shadow: 0 8px 40px rgba(61, 255, 154, 0.12);
  transform: translateY(-4px);
}

/* ── CTA Banner (shared across all pages) ────── */
.cta-banner {
  background: linear-gradient(135deg, rgba(61,255,154,0.08) 0%, rgba(0,170,255,0.06) 100%);
  border: 1px solid rgba(61,255,154,0.2);
  border-radius: 20px;
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%; transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(61,255,154,0.1), transparent 70%);
  pointer-events: none;
}
.cta-banner h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.cta-banner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 2rem;
}

/* ── Divider ─────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(61,255,154,0.3), transparent);
  margin: 0;
}

/* ── Footer ──────────────────────────────────── */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(61,255,154,0.1);
  padding: 3rem 4rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand img {
  height: 36px;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 6px rgba(61,255,154,0.3));
}
.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.25rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-col ul a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--text-primary); }
.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.footer-contact-item .icon { color: var(--green); flex-shrink: 0; }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Font Awesome icon sizing inside icon wrappers ── */
.service-icon i,
.svc-icon-wrap i,
.philosophy-icon i,
.pipeline-dot i {
  font-size: inherit;
  color: var(--green);
  line-height: 1;
}

/* ── Scroll Reveal Animation ──────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Glow Orbs ───────────────────────────────── */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.glow-green {
  background: radial-gradient(circle, rgba(61,255,154,0.15) 0%, transparent 70%);
}
.glow-blue {
  background: radial-gradient(circle, rgba(0,170,255,0.12) 0%, transparent 70%);
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 900px) {
  .navbar { padding: 0 2rem; }
  .navbar-links { display: none; flex-direction: column; position: absolute;
    top: 72px; left: 0; right: 0; background: rgba(5,5,16,0.98);
    padding: 1.5rem 2rem; gap: 1.25rem; border-bottom: 1px solid rgba(61,255,154,0.1); }
  .navbar-links.open { display: flex; }
  .hamburger { display: flex; }
  .navbar-cta { display: none; }
  .section { padding: 4rem 2rem; }
  .page-hero { padding: 130px 2rem 60px; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  footer { padding: 2.5rem 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}
