/* ============================================================
   CYNETRIC — Global Stylesheet
   Aesthetic: Industrial-tech, dark, sharp — tools built to last
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,300&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg:          #0a0a0b;
  --bg-2:        #111114;
  --bg-3:        #18181d;
  --border:      #2a2a35;
  --border-2:    #3a3a48;
  --text:        #e8e8f0;
  --text-muted:  #7a7a92;
  --text-dim:    #4a4a60;
  --accent:      #3a8dff;
  --accent-2:    #4e98ff;
  --accent-glow: rgba(28, 142, 255, 0.18);
  --green:       #1eff8e;
  --green-dim:   rgba(30,255,142,0.12);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius:       6px;
  --nav-h:        68px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ─── NOISE OVERLAY ─────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 9999;
}

/* ─── SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── TYPOGRAPHY ────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: 0.03em; line-height: 1.05; }
h1 { font-size: clamp(3rem, 8vw, 7rem); }
h2 { font-size: clamp(2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h4 { font-size: 1.3rem; }
p { color: var(--text-muted); }
a { color: inherit; text-decoration: none; }
strong { color: var(--text); font-weight: 700; }

/* ─── UTILITY ───────────────────────────────────────────── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.accent   { color: var(--accent); }
.green    { color: var(--green); }
.mono     { font-family: var(--font-mono); }
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid #3a8dff;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 16px;
}
.tag.green-tag {
  color: var(--green);
  background: var(--green-dim);
  border-color: rgba(30,255,142,0.3);
}
.divider {
  width: 48px; height: 3px;
  background: var(--accent);
  margin: 20px 0 32px;
}
.divider.green-div { background: var(--green); }

/* ─── BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(28, 142, 255, 0.18);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}
.btn-green {
  background: var(--green);
  color: #050f09;
  font-weight: 700;
}
.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(30,255,142,0.3);
}

/* ─── NAVIGATION ────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10,10,11,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background 0.3s;
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  color: var(--text);
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
  letter-spacing: 0.02em;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a.active { border-bottom: 2px solid var(--accent); padding-bottom: 2px; }
.nav-cta { margin-left: 12px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  transition: all 0.3s;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  z-index: 999;
}
.mobile-menu.open { display: flex; flex-direction: column; gap: 16px; }
.mobile-menu a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover { color: var(--text); }

/* ─── FOOTER ────────────────────────────────────────────── */
footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.footer-logo span { color: var(--accent); }
.footer-tagline { color: var(--text-muted); font-size: 0.9rem; max-width: 240px; line-height: 1.6; }
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* ─── CARDS ─────────────────────────────────────────────── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.card h4 { margin-bottom: 10px; font-size: 1.2rem; }
.card p  { font-size: 0.9rem; }

/* ─── SECTION SPACING ───────────────────────────────────── */
section { padding: 100px 0; }
.section-header { margin-bottom: 60px; }
.section-header p { max-width: 560px; font-size: 1.05rem; margin-top: 12px; }

/* ─── GRID HELPERS ──────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ─── PAGE HERO (sub-pages) ─────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at 80% 50%, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

/* ─── GLOW LINES ────────────────────────────────────────── */
.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  margin: 0;
  opacity: 0.5;
}
.glow-line.green { background: linear-gradient(90deg, transparent, var(--green), transparent); }

/* ─── FORM ELEMENTS ─────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group select option { background: var(--bg-3); }

/* ─── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  section { padding: 72px 0; }
}

/* ─── FADE-IN ANIMATION ─────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}