/* ==========================================================
   Elite Security Systems - Premium Design System v4
   ========================================================== */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #060b18;
  --bg-alt: #0a1128;
  --surface: #0d1729;
  --surface-hover: #152240;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --border-accent: rgba(59,130,246,0.3);
  --text: #e2e8f0;
  --text-sec: #94a3b8;
  --text-dim: #64748b;
  --accent: #3b82f6;
  --accent-lt: #60a5fa;
  --accent-dk: #2563eb;
  --cyan: #06b6d4;
  --grad: linear-gradient(135deg, #3b82f6, #06b6d4);
  --grad-text: linear-gradient(135deg, #60a5fa, #22d3ee);
  --grad-sub: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(6,182,212,0.04));
  --mw: 1200px;
  --r: 12px;
  --r-sm: 8px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.3s;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Layout --- */
.container { max-width: var(--mw); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }
.section-alt { background: var(--bg-alt); }

/* --- Typography --- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: #fff; }
h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { color: var(--text-sec); line-height: 1.7; }

.gradient-text {
  background: linear-gradient(135deg, #60a5fa, #22d3ee, #a78bfa, #60a5fa);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease-in-out infinite;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: padding var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(6, 11, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand img { height: 28px; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 0.88rem;
  color: var(--text-sec);
  font-weight: 500;
  transition: color var(--dur) var(--ease);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.nav-cta { margin-left: 8px; }
.nav-mobile-cta { display: none; }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  position: absolute;
  left: 6px;
  transition: all var(--dur) var(--ease);
}
.hamburger span:nth-child(1) { top: 9px; }
.hamburger span:nth-child(2) { top: 15px; }
.hamburger span:nth-child(3) { top: 21px; }
.nav.open .hamburger span:nth-child(1) { transform: rotate(45deg); top: 15px; }
.nav.open .hamburger span:nth-child(2) { opacity: 0; }
.nav.open .hamburger span:nth-child(3) { transform: rotate(-45deg); top: 15px; }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,11,24,0.96);
  backdrop-filter: blur(24px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
}
.overlay.open { opacity: 1; visibility: visible; }
.overlay-menu { text-align: center; }
.overlay-menu a {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  padding: 14px;
  color: var(--text-sec);
  transition: color var(--dur) var(--ease);
}
.overlay-menu a:hover, .overlay-menu a.active { color: #fff; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
  font-family: var(--font);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: var(--grad);
  filter: blur(16px);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  z-index: -1;
}
.btn-primary:hover {
  background: var(--accent-lt);
  box-shadow: 0 4px 24px rgba(59,130,246,0.35);
}
.btn-primary:hover::after { opacity: 0.5; }
.btn-ghost {
  background: transparent;
  color: var(--text-sec);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.04);
}
.btn-lg { padding: 14px 32px; font-size: 0.92rem; }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
}
.hero::before { display: none; }
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.hero-title { margin-bottom: 24px; }
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-sec);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.hero-stats { display: flex; gap: 48px; }
.hero-stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero-stat span {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Terminal --- */
.terminal {
  background: var(--surface);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 60px rgba(59,130,246,0.06);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.terminal-bar i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}
.terminal-bar i:nth-child(1) { background: #ff5f57; }
.terminal-bar i:nth-child(2) { background: #febc2e; }
.terminal-bar i:nth-child(3) { background: #28c840; }
.terminal-bar span {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}
.terminal-body {
  padding: 22px 20px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.9;
}
.terminal-line {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.terminal-line.visible { opacity: 1; transform: translateY(0); }
.tl-prompt { color: #28c840; }
.tl-cmd { color: var(--text); }
.tl-info { color: var(--accent-lt); }
.tl-warn { color: #f59e0b; }
.tl-crit { color: #ef4444; }
.tl-ok { color: #28c840; }
.tl-dim { color: var(--text-dim); }

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-lt);
  margin-bottom: 16px;
}
.section-title { margin-bottom: 16px; }
.section-sub { font-size: 1.05rem; color: var(--text-sec); }

/* --- Grid & Cards --- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 32px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  position: relative;
}
a.card { display: block; }
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--border-angle, 0deg), transparent 30%, var(--accent) 45%, var(--cyan) 55%, transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}
.card:hover::before {
  opacity: 1;
  animation: border-rotate 4s linear infinite;
}
.card:hover {
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3), 0 0 40px rgba(59,130,246,0.08);
}
.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-sub);
  border: 1px solid rgba(59,130,246,0.12);
  border-radius: var(--r-sm);
  color: var(--accent-lt);
  margin-bottom: 20px;
}
.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.9rem; line-height: 1.65; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-lt);
  margin-top: 16px;
  transition: gap var(--dur) var(--ease);
}
.card:hover .card-link { gap: 10px; }
.card-link svg { width: 16px; height: 16px; }

/* --- Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-hover), var(--border-hover), transparent);
}
.step { text-align: center; position: relative; }
.step-num {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-lt);
  font-family: var(--mono);
  position: relative;
  z-index: 1;
}
.step h3 { margin-bottom: 10px; font-size: 1.05rem; }
.step p { font-size: 0.88rem; }

/* --- Trust / Values --- */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.trust-text p { margin-bottom: 16px; }
.badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.badge {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--grad-sub);
  border: 1px solid rgba(59,130,246,0.12);
  color: var(--accent-lt);
}
.values { display: flex; flex-direction: column; gap: 16px; }
.value {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color var(--dur) var(--ease);
}
.value:hover { border-color: var(--border-accent); }
.value-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-sub);
  border-radius: var(--r-sm);
  color: var(--accent-lt);
}
.value h4 { margin-bottom: 6px; }
.value p { font-size: 0.88rem; margin: 0; }

/* --- CTA Block --- */
.cta-block {
  text-align: center;
  padding: 72px 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 250px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.08), transparent 70%);
  pointer-events: none;
}
.cta-block h2 { margin-bottom: 16px; position: relative; }
.cta-block p { margin-bottom: 32px; font-size: 1.05rem; position: relative; }
.cta-block .btn { position: relative; }

/* --- Footer --- */
.footer {
  padding: 80px 0 0;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p { font-size: 0.88rem; margin-top: 16px; }
.footer-logo { height: 24px; margin-bottom: 4px; }
.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-sec);
  margin-bottom: 20px;
  font-weight: 600;
}
.footer-col a, .footer-col span {
  display: block;
  font-size: 0.88rem;
  color: var(--text-dim);
  padding: 5px 0;
  transition: color var(--dur) var(--ease);
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-dim); transition: color var(--dur); }
.footer-links a:hover { color: var(--text-sec); }

/* --- Page Header (inner pages) --- */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 100%;
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  pointer-events: none;
}
.page-header > * { position: relative; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-dim); transition: color var(--dur); }
.breadcrumb a:hover { color: var(--accent-lt); }
.page-header h1 { margin-bottom: 16px; }
.page-header .section-sub { max-width: 640px; margin: 0 auto; }

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-title { margin-bottom: 16px; }
.contact-text { margin-bottom: 28px; }
.contact-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 16px;
  transition: border-color var(--dur);
}
.contact-card:hover { border-color: var(--border-accent); }
.contact-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-sub);
  border-radius: var(--r-sm);
  color: var(--accent-lt);
}
.contact-card strong { display: block; color: #fff; margin-bottom: 4px; font-size: 0.9rem; }
.contact-card a { color: var(--accent-lt); font-size: 0.88rem; transition: color var(--dur); display: block; }
.contact-card a:hover { color: #fff; }
.contact-card .meta { display: block; font-size: 0.82rem; color: var(--text-dim); margin-top: 2px; }
.cal-embed {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}
.cal-embed iframe { width: 100%; min-height: 660px; border: none; }
.info-box {
  padding: 20px 24px;
  background: var(--grad-sub);
  border: 1px solid rgba(59,130,246,0.12);
  border-radius: var(--r);
  margin-top: 24px;
}
.info-box p { font-size: 0.9rem; color: var(--text-sec); margin: 0; }

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-grid p { margin-bottom: 16px; }
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.cert {
  padding: 24px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  text-align: center;
  min-width: 180px;
  transition: border-color var(--dur);
}
.cert:hover { border-color: var(--border-accent); }
.cert-label {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-lt);
  display: block;
  margin-bottom: 8px;
}
.cert .cert-desc { font-size: 0.8rem; color: var(--text-dim); }
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.industry {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: all var(--dur) var(--ease);
}
.industry:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.industry-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-sub);
  border-radius: var(--r-sm);
  color: var(--accent-lt);
  margin-bottom: 16px;
}
.industry h3 { font-size: 1.05rem; margin-bottom: 10px; }
.industry p { font-size: 0.88rem; margin: 0; }
.company-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}
.company-info div {
  padding: 24px;
  background: var(--surface);
}
.company-info strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.company-info span { color: #fff; font-weight: 500; font-size: 0.95rem; }

/* --- Legal Content --- */
.legal-content { max-width: 800px; }
.legal-content h2 { font-size: 1.35rem; margin-top: 40px; margin-bottom: 12px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { color: var(--text-sec); margin-bottom: 16px; line-height: 1.7; }
.legal-content ul { color: var(--text-sec); margin: 0 0 16px 24px; line-height: 1.7; }
.legal-content li { margin-bottom: 8px; }
.legal-content a { color: var(--accent-lt); text-decoration: underline; text-underline-offset: 2px; }
.legal-content a:hover { color: var(--accent); }

/* --- Methodology Timeline --- */
.timeline { position: relative; padding-left: 48px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--border-hover), transparent);
}
.timeline-item { position: relative; padding-bottom: 48px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -41px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-phase {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent-lt);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.timeline-item h3 { margin-bottom: 12px; font-size: 1.3rem; }
.timeline-item p { margin-bottom: 16px; max-width: 640px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.73rem;
  font-weight: 500;
  background: rgba(59,130,246,0.08);
  color: var(--accent-lt);
  border: 1px solid rgba(59,130,246,0.12);
}

/* --- Service Detail --- */
.service-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
.service-main h2 { margin-bottom: 16px; }
.service-main > p { margin-bottom: 20px; }
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}
.feature {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color var(--dur);
}
.feature:hover { border-color: var(--border-accent); }
.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-sub);
  border-radius: var(--r-sm);
  color: var(--accent-lt);
  margin-bottom: 14px;
}
.feature h3 { font-size: 1rem; margin-bottom: 8px; }
.feature p { font-size: 0.85rem; margin: 0; }
.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px;
  margin-bottom: 20px;
}
.sidebar-card h3 { font-size: 1rem; margin-bottom: 16px; }
.sidebar-card ul { list-style: none; }
.sidebar-card li {
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--text-sec);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card li:last-child { border-bottom: none; }
.sidebar-card li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger > .fade-in:nth-child(1) { transition-delay: 0s; }
.stagger > .fade-in:nth-child(2) { transition-delay: 0.08s; }
.stagger > .fade-in:nth-child(3) { transition-delay: 0.08s; }
.stagger > .fade-in:nth-child(4) { transition-delay: 0.16s; }
.stagger > .fade-in:nth-child(5) { transition-delay: 0.24s; }
.stagger > .fade-in:nth-child(6) { transition-delay: 0.32s; }

/* --- Animation Variants --- */
.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.fade-left.visible { opacity: 1; transform: translateX(0); }

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.fade-right.visible { opacity: 1; transform: translateX(0); }

.fade-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.fade-scale.visible { opacity: 1; transform: scale(1); }

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad);
  z-index: 1001;
  transform-origin: left;
  transform: scaleX(0);
}

/* --- Hero Animated Background --- */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  will-change: transform;
}
.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: rgba(59, 130, 246, 0.12);
  top: 5%;
  left: 15%;
  animation: orb-float-1 20s ease-in-out infinite;
}
.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: rgba(6, 182, 212, 0.08);
  top: 30%;
  right: 5%;
  animation: orb-float-2 25s ease-in-out infinite;
}
.hero-orb-3 {
  width: 400px;
  height: 400px;
  background: rgba(139, 92, 246, 0.06);
  bottom: 10%;
  left: 35%;
  animation: orb-float-3 22s ease-in-out infinite;
}

@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -80px) scale(1.05); }
  66% { transform: translate(-40px, 40px) scale(0.95); }
}
@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, 60px) scale(1.1); }
  66% { transform: translate(40px, -30px) scale(0.9); }
}
@keyframes orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(70px, 40px) scale(1.05); }
  66% { transform: translate(-60px, -50px) scale(0.95); }
}

/* --- Gradient Shift Keyframe --- */
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* --- Rotating Border Keyframe --- */
@property --border-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
@keyframes border-rotate {
  to { --border-angle: 360deg; }
}

/* --- Marquee --- */
.marquee {
  overflow: hidden;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.marquee-track {
  display: flex;
  gap: 48px;
  animation: marquee-scroll 35s linear infinite;
  width: max-content;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  flex-shrink: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 12px;
}
.marquee-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Counter --- */
.counter { font-variant-numeric: tabular-nums; }

/* --- Terminal cursor blink --- */
.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: #28c840;
  margin-left: 4px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --- Card 3D Tilt --- */
.card-tilt {
  transform-style: preserve-3d;
}

@media (prefers-reduced-motion: reduce) {
  .fade-in, .fade-left, .fade-right, .fade-scale { opacity: 1; transform: none; transition: none; }
  .terminal-line { opacity: 1; transform: none; transition: none; }
  .hero-orb { animation: none; }
  .marquee-track { animation: none; }
  .gradient-text { animation: none; }
  .card:hover::before { animation: none; }
  .terminal-cursor { animation: none; opacity: 1; }
  html { scroll-behavior: auto; }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .trust-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .service-layout { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-menu { display: none; }
  .nav-mobile-cta { display: inline-flex; }
  .hamburger { display: flex; }
  .hero { min-height: auto; padding: 120px 0 72px; }
  .hero-stats { gap: 32px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .cta-block { padding: 48px 24px; }
  .section-header { margin-bottom: 40px; }
  .industry-grid { grid-template-columns: 1fr; }
  .company-info { grid-template-columns: 1fr 1fr; }
  .page-header { padding: 120px 0 48px; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .company-info { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
}