/* ============================================
   1. VARIABLES / DESIGN TOKENS
   ============================================ */
:root{
  --color-bg: #06090f;
  --color-bg-elevated: #090d15;
  --color-surface: #0e131e;
  --color-surface-soft: rgba(255,255,255,0.03);
  --color-border: rgba(255,255,255,0.08);
  --color-border-strong: rgba(255,255,255,0.16);

  --color-text: #eef1f6;
  --color-text-muted: #8d94a6;
  --color-text-faint: #5c6272;

  --color-primary: #4f7cff;
  --color-primary-soft: #1a2c5c;
  --color-cyan: #35d1c9;
  --color-violet: #8b6bff;
  --color-amber: #e8a33d;

  --gradient-signal: linear-gradient(135deg, var(--color-primary), var(--color-violet));
  --gradient-line: linear-gradient(90deg, transparent, rgba(79,124,255,0.6), transparent);

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --space-xs: 8px;
  --space-sm: 14px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;

  --shadow-card: 0 20px 60px -20px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 80px -10px rgba(79,124,255,0.25);

  --transition-fast: 160ms cubic-bezier(.4,0,.2,1);
  --transition-base: 340ms cubic-bezier(.4,0,.2,1);

  --container-width: 1240px;

  --z-nav: 300;
  --z-overlay: 200;

  /* breakpoints (documented reference — media queries below use literal px per spec widths) */
  --bp-xl: 1200px;
  --bp-lg: 992px;
  --bp-md: 786px;
  --bp-sm: 576px;
  --bp-xs: 480px;
  --bp-2xs: 360px;
}

/* ============================================
   2. RESET
   ============================================ */
*, *::before, *::after{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; }
img, svg{ display: block; max-width: 100%; height: auto; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol{ list-style: none; }
input, textarea{ font: inherit; }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================
   3. GLOBAL / BASE
   ============================================ */
body{
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before{
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 900px 500px at 78% 6%, rgba(79,124,255,0.14), transparent 60%),
    radial-gradient(ellipse 700px 500px at 15% 30%, rgba(139,107,255,0.10), transparent 60%),
    radial-gradient(ellipse 600px 400px at 90% 70%, rgba(53,209,201,0.06), transparent 60%);
  pointer-events: none;
}

body.no-scroll{ overflow: hidden; }

::selection{ background: var(--color-primary); color: white; }

:focus-visible{
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link{ position: absolute; left: -9999px; top: auto; background: var(--color-primary); color: #fff; padding: 12px 20px; border-radius: 8px; z-index: 999; }
.skip-link:focus{ left: 16px; top: 16px; }

/* ============================================
   4. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--color-text);
}

p{ color: var(--color-text-muted); }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 18px;
}
.eyebrow::before{
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 12px 2px rgba(53,209,201,0.7);
}

.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{ font-size: clamp(1.9rem, 3.2vw, 2.6rem); margin-bottom: 16px; }
.section-head p{ color: var(--color-text-muted); font-size: 1.05rem; }
.section-head.center{ margin-inline: auto; text-align: center; }

/* ============================================
   5. CONTAINER / LAYOUT UTILITIES
   ============================================ */
.container{ width: min(92%, var(--container-width)); margin-inline: auto; }
section{ width: 100%; position: relative; }
.section-pad{ padding-block: clamp(64px, 9vw, 128px); }
.grid{ display: grid; gap: var(--space-md); }

.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(.16,.9,.35,1), transform 700ms cubic-bezier(.16,.9,.35,1);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ============================================
   6. REUSABLE COMPONENTS
   ============================================ */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px;
  font-size: 0.92rem; font-weight: 600; white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}
.btn:active{ transform: translateY(1px); }

.btn-primary{ background: var(--gradient-signal); color: white; box-shadow: 0 8px 30px -8px rgba(79,124,255,0.55); }
.btn-primary:hover{ box-shadow: 0 10px 38px -6px rgba(79,124,255,0.75); transform: translateY(-1px); }

.btn-ghost{ background: var(--color-surface-soft); border: 1px solid var(--color-border-strong); color: var(--color-text); }
.btn-ghost:hover{ border-color: rgba(255,255,255,0.34); background: rgba(255,255,255,0.06); }

.btn-sm{ padding: 10px 20px; font-size: 0.85rem; }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  transition: border-color var(--transition-base), transform var(--transition-base), background var(--transition-base);
}
.card:hover{
  border-color: rgba(79,124,255,0.35);
  transform: translateY(-3px);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
}

.tag{ font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-faint); }

.icon-tile{
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(79,124,255,0.1); border: 1px solid rgba(79,124,255,0.25);
  color: var(--color-cyan); flex-shrink: 0;
}
.icon-tile svg{ width: 20px; height: 20px; }

/* ============================================
   7. GLOBAL INTERACTIONS
   ============================================ */
.nav-overlay{
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-overlay) - 1);
  background: rgba(3,5,9,0.5);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.nav-overlay.is-visible{ opacity: 1; pointer-events: auto; }
.nav-overlay[hidden]{ display: none; }

/* ============================================
   8. NAVBAR
   ============================================ */
.site-header{
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-nav);
  padding-block: 18px; border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), padding var(--transition-base);
}
.site-header.scrolled{ background: rgba(6,9,15,0.78); backdrop-filter: blur(16px); border-color: var(--color-border); padding-block: 12px; }

.nav-inner{ display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand{ display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; letter-spacing: 0.01em; }
.brand-mark{ width: 30px; height: 30px; }

.nav-links{ display: flex; align-items: center; gap: 34px; }
.nav-links a{ font-size: 0.9rem; color: var(--color-text-muted); transition: color var(--transition-fast); position: relative; }
.nav-links a:hover{ color: var(--color-text); }
.nav-links a::after{ content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--color-cyan); transition: width var(--transition-fast); }
.nav-links a:hover::after{ width: 100%; }

/* Right-hand cluster: primary CTA + hamburger live together so the toggle
   is always the last flex item in .nav-inner and hugs the right edge —
   this is what keeps it out of the middle of the bar at narrow widths. */
.nav-actions{ display: flex; align-items: center; gap: 18px; position: relative; z-index: 2; }

.nav-toggle{
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content: ''; display: block; width: 20px; height: 1.5px; background: var(--color-text);
  position: relative; transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle span::before{ position: absolute; top: -6px; }
.nav-toggle span::after{ position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span{ background: transparent; }
.nav-toggle[aria-expanded="true"] span::before{ transform: translateY(6px) rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] span::after{ transform: translateY(-6px) rotate(-45deg); top: 0; }

/* ============================================
   9. HERO
   ============================================ */
.hero{ padding-top: clamp(140px, 16vw, 190px); padding-bottom: clamp(60px, 8vw, 100px); overflow: hidden; }
.hero-inner{ display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.hero-copy h1{ font-size: clamp(2.7rem, 4.8vw, 4.2rem); margin-bottom: 22px; }
.hero-copy h1 span.grad{ background: var(--gradient-signal); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy > p{ font-size: 1.12rem; max-width: 520px; margin-bottom: 34px; }
.hero-ctas{ display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-proof{ display: flex; align-items: center; gap: 14px; }
.hero-proof .stars{ display: flex; gap: 3px; color: var(--color-amber); }
.hero-proof .stars svg{ width: 14px; height: 14px; }
.hero-proof-text{ font-size: 0.85rem; }
.hero-proof-text strong{ display: block; color: var(--color-text); font-size: 0.92rem; font-weight: 600; }
.hero-proof-text span{ color: var(--color-text-faint); font-size: 0.78rem; }

/* ---------- Signature hero visual: the Sync Core ---------- */
.sync-visual{
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
}
.sync-svg{ width: 100%; height: 100%; overflow: visible; }

.sync-track{ fill: none; stroke: rgba(255,255,255,0.07); stroke-width: 1; }
.sync-track.dashed{ stroke-dasharray: 2 6; stroke: rgba(255,255,255,0.1); }

.sync-orbit{ transform-box: fill-box; transform-origin: center; }
.sync-orbit.outer{ animation: spin 46s linear infinite; }
.sync-orbit.mid{ animation: spin-rev 30s linear infinite; }
.sync-orbit.inner{ animation: spin 18s linear infinite; }

@keyframes spin{ from{ transform: rotate(0deg); } to{ transform: rotate(360deg); } }
@keyframes spin-rev{ from{ transform: rotate(360deg); } to{ transform: rotate(0deg); } }

.sync-node{ fill: var(--color-cyan); filter: drop-shadow(0 0 6px rgba(53,209,201,0.75)); }
.sync-node.violet{ fill: var(--color-violet); filter: drop-shadow(0 0 6px rgba(139,107,255,0.75)); }
.sync-node.blue{ fill: var(--color-primary); filter: drop-shadow(0 0 6px rgba(79,124,255,0.75)); }

.sync-spoke{ stroke: rgba(79,124,255,0.35); stroke-width: 1; stroke-dasharray: 3 5; animation: dash-flow 3.4s linear infinite; }
@keyframes dash-flow{ to{ stroke-dashoffset: -80; } }

.sync-hub-ring{ fill: none; stroke: url(#hubGrad); stroke-width: 1.4; opacity: 0.9; }
.sync-hub-fill{ fill: rgba(9,13,21,0.9); }
.sync-hub-pulse{ fill: none; stroke: rgba(79,124,255,0.5); stroke-width: 1; animation: hub-pulse 3.2s cubic-bezier(.4,0,.3,1) infinite; }
@keyframes hub-pulse{
  0%{ r: 46; opacity: 0.6; }
  80%{ r: 92; opacity: 0; }
  100%{ r: 92; opacity: 0; }
}

.hub-label{ font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; fill: var(--color-text-faint); }
.hub-value{ font-family: var(--font-mono); font-size: 22px; font-weight: 500; fill: var(--color-text); }
.hub-sub{ font-family: var(--font-mono); font-size: 9px; fill: var(--color-cyan); }

.sync-chip{
  position: absolute;
  background: linear-gradient(160deg, rgba(20,26,40,0.94), rgba(10,14,22,0.9));
  border: 1px solid var(--color-border-strong);
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
  animation: chip-float 6s ease-in-out infinite;
}
.sync-chip .c-label{ font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: 3px; }
.sync-chip .c-value{ font-family: var(--font-mono); font-size: 1rem; font-weight: 500; color: var(--color-text); }
.sync-chip .c-value.up{ color: var(--color-cyan); }

.chip-accuracy{ top: 4%; right: -4%; animation-delay: 0s; }
.chip-latency{ bottom: 10%; left: -6%; animation-delay: 1.2s; }
.chip-uptime{ bottom: -2%; right: 8%; animation-delay: 2.4s; }

@keyframes chip-float{ 0%, 100%{ transform: translateY(0); } 50%{ transform: translateY(-7px); } }

/* ============================================
   10. TRUST
   ============================================ */
.trust{ padding-block: 48px; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.trust-label{ text-align: center; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: 30px; }
.trust-row{ display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; opacity: 0.6; }
.trust-row .logo-mark{ font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; letter-spacing: 0.02em; color: var(--color-text-muted); white-space: nowrap; }

/* ============================================
   11. SERVICES
   ============================================ */
.services-grid{ grid-template-columns: repeat(3, 1fr); }
.service-card{ padding: 30px; display: flex; flex-direction: column; gap: 16px; }
.service-card .icon-tile{ margin-bottom: 6px; }
.service-card h3{ font-size: 1.12rem; font-weight: 600; font-family: var(--font-body); }
.service-card p{ font-size: 0.92rem; }
.service-metric{ margin-top: auto; padding-top: 16px; border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: baseline; }
.service-metric .num{ font-family: var(--font-mono); color: var(--color-cyan); font-weight: 600; }
.service-metric .lbl{ font-size: 0.72rem; color: var(--color-text-faint); }

/* ============================================
   12. PROCESS
   ============================================ */
.process-track{ position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-track::before{ content: ''; position: absolute; top: 26px; left: 6%; right: 6%; height: 1px; background: var(--gradient-line); }
.process-step{ position: relative; display: flex; flex-direction: column; gap: 14px; }
.step-index{
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--color-surface); border: 1px solid var(--color-border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-cyan);
  position: relative; z-index: 1;
}
.process-step h3{ font-family: var(--font-body); font-size: 1.02rem; font-weight: 600; }
.process-step p{ font-size: 0.88rem; }

/* ============================================
   13. CASE STUDIES
   ============================================ */
.case-grid{ grid-template-columns: repeat(3, 1fr); grid-auto-rows: minmax(140px, auto); }
.case-card{ padding: 28px; display: flex; flex-direction: column; justify-content: space-between; gap: 20px; min-height: 220px; }
.case-card--featured{ grid-column: span 2; grid-row: span 2; min-height: 460px; background: linear-gradient(160deg, rgba(79,124,255,0.09), rgba(139,107,255,0.04)); }
.case-industry{ font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-faint); }
.case-card h3{ font-family: var(--font-body); font-size: 1.2rem; font-weight: 600; margin-top: 6px; }
.case-desc{ margin-top: 12px; max-width: 420px; }
.case-metrics{ display: flex; gap: 28px; }
.case-metrics--spaced{ margin-bottom: 18px; }
.case-metrics--tight{ margin-bottom: 14px; }
.case-metrics .m-val{ font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--color-cyan); }
.case-metrics .m-lbl{ font-size: 0.76rem; color: var(--color-text-faint); }
.case-link{ font-size: 0.85rem; font-weight: 600; color: var(--color-text); display: inline-flex; align-items: center; gap: 6px; }
.case-link svg{ width: 14px; height: 14px; transition: transform var(--transition-fast); }
.case-card:hover .case-link svg{ transform: translateX(3px); }

/* ============================================
   14. ADVANTAGE
   ============================================ */
.advantage-grid{ grid-template-columns: repeat(4, 1fr); }
.advantage-card{ padding: 28px; }
.advantage-card h3{ font-family: var(--font-body); font-size: 1.05rem; font-weight: 600; margin: 14px 0 10px; }
.advantage-card p{ font-size: 0.88rem; }

/* ============================================
   15. TECHNOLOGY STACK
   ============================================ */
.stack-grid{ grid-template-columns: repeat(5, 1fr); }
.stack-card{ padding: 22px 18px; text-align: center; }
.stack-card .tag{ display: block; margin-bottom: 12px; }
.stack-items{ display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.stack-items span{ font-family: var(--font-mono); font-size: 0.72rem; padding: 5px 10px; border-radius: 6px; background: rgba(255,255,255,0.04); border: 1px solid var(--color-border); color: var(--color-text-muted); }

/* ============================================
   16. TESTIMONIALS
   ============================================ */
.testimonial-track{ display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: none; }
.testimonial-track::-webkit-scrollbar{ display: none; }
.testimonial-card{ flex: 0 0 min(420px, 86%); scroll-snap-align: start; padding: 30px; display: flex; flex-direction: column; gap: 18px; }
.testimonial-card p{ font-size: 1rem; color: var(--color-text); line-height: 1.7; }
.testimonial-person{ display: flex; align-items: center; gap: 12px; margin-top: auto; }
.avatar{ width: 42px; height: 42px; border-radius: 50%; background: var(--gradient-signal); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700; color: #fff; }
.testimonial-person strong{ display: block; font-size: 0.9rem; }
.testimonial-person span{ display: block; font-size: 0.78rem; color: var(--color-text-faint); }

/* ============================================
   17. FAQ
   ============================================ */
.faq-list{ max-width: 780px; margin-inline: auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item{ border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface-soft); }
.faq-item h3{ font-size: inherit; font-weight: inherit; }
.faq-q{ width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; text-align: left; font-size: 0.98rem; font-weight: 600; }
.faq-q .plus{ width: 18px; height: 18px; position: relative; flex-shrink: 0; }
.faq-q .plus::before, .faq-q .plus::after{ content: ''; position: absolute; background: var(--color-text-muted); transition: transform var(--transition-fast); }
.faq-q .plus::before{ top: 50%; left: 0; width: 100%; height: 1.5px; transform: translateY(-50%); }
.faq-q .plus::after{ left: 50%; top: 0; height: 100%; width: 1.5px; transform: translateX(-50%); }
.faq-item[data-open="true"] .plus::after{ transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-a{ display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--transition-base); }
.faq-a-inner{ overflow: hidden; }
.faq-a p{ padding: 0 24px 22px; font-size: 0.92rem; }
.faq-item[data-open="true"] .faq-a{ grid-template-rows: 1fr; }

/* ============================================
   18. CTA
   ============================================ */
.cta-section{ padding-block: clamp(70px, 9vw, 120px); }
.cta-box{
  position: relative; border-radius: var(--radius-lg); border: 1px solid var(--color-border-strong);
  padding: clamp(48px, 7vw, 80px); text-align: center; overflow: hidden;
  background: linear-gradient(160deg, rgba(79,124,255,0.1), rgba(139,107,255,0.05));
}
.cta-box::before{ content: ''; position: absolute; inset: -40%; background: radial-gradient(circle at 50% 30%, rgba(79,124,255,0.25), transparent 60%); pointer-events: none; }
.cta-box h2{ font-size: clamp(2rem, 4vw, 2.8rem); max-width: 720px; margin-inline: auto 14px; position: relative; }
.cta-box p{ max-width: 520px; margin: 0 auto 32px; position: relative; font-size: 1.05rem; }
.cta-actions{ display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; }

/* ============================================
   19. FOOTER
   ============================================ */
.site-footer{ border-top: 1px solid var(--color-border); padding-block: 64px 32px; }
.footer-top{ display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 40px; margin-bottom: 56px; }
.footer-brand p{ margin-top: 14px; font-size: 0.88rem; max-width: 280px; }
.footer-col h4{ font-family: var(--font-body); font-size: 0.82rem; font-weight: 600; margin-bottom: 16px; color: var(--color-text); }
.footer-col ul{ display: flex; flex-direction: column; gap: 10px; }
.footer-col a{ font-size: 0.86rem; color: var(--color-text-muted); transition: color var(--transition-fast); }
.footer-col a:hover{ color: var(--color-text); }
.footer-bottom{ display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; padding-top: 28px; border-top: 1px solid var(--color-border); }
.footer-legal{ display: flex; gap: 22px; font-size: 0.8rem; color: var(--color-text-faint); }
.footer-social{ display: flex; gap: 14px; }
.footer-social a{ width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); transition: border-color var(--transition-fast), color var(--transition-fast); }
.footer-social a:hover{ border-color: var(--color-cyan); color: var(--color-cyan); }
.footer-social svg{ width: 15px; height: 15px; }
.copyright{ font-size: 0.8rem; color: var(--color-text-faint); }

/* ============================================
   20. RESPONSIVE MEDIA QUERIES
   ============================================ */
@media (max-width: 1200px){
  .services-grid, .case-grid{ grid-template-columns: repeat(2, 1fr); }
  .case-card--featured{ grid-column: span 2; }
  .advantage-grid{ grid-template-columns: repeat(2, 1fr); }
  .stack-grid{ grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px){
  .hero-inner{ grid-template-columns: 1fr; }
  .sync-visual{ order: -1; max-width: 460px; margin-inline: auto; }
  .footer-top{ grid-template-columns: repeat(3, 1fr); }
  .process-track{ grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .process-track::before{ display: none; }
}

@media (max-width: 786px){
  /* Mobile nav: links panel slides in as a fixed right-hand drawer.
     .nav-actions keeps only the toggle visible (CTA hidden below), so the
     toggle stays the sole trailing item in .nav-inner and stays pinned right. */
  .nav-links{
    position: fixed; top: 0; right: 0; height: 100vh; width: min(78%, 320px);
    background: rgba(9,13,21,0.98); backdrop-filter: blur(20px);
    flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 26px; padding: 40px; border-left: 1px solid var(--color-border);
    transform: translateX(100%); transition: transform var(--transition-base);
    z-index: 1;
    max-width: 100vw;
  }
  .nav-links[data-open="true"]{ transform: translateX(0); }
  .nav-links a{ font-size: 1.1rem; }

  .nav-toggle{ display: flex; }
  .nav-actions .btn-primary{ display: none; }

  .services-grid, .advantage-grid, .stack-grid{ grid-template-columns: 1fr; }
  .case-grid{ grid-template-columns: 1fr; }
  .case-card--featured{ grid-column: span 1; grid-row: span 1; min-height: 300px; }
  .footer-top{ grid-template-columns: repeat(2, 1fr); }
  .sync-chip{ padding: 8px 11px; }
  .sync-chip .c-value{ font-size: 0.85rem; }
}

@media (max-width: 576px){
  .container{ width: 90%; }
  .hero-ctas{ flex-direction: column; align-items: stretch; }
  .hero-ctas .btn{ width: 100%; }
  .footer-top{ grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom{ flex-direction: column; align-items: flex-start; }
  .chip-accuracy{ right: -2%; top: 0; }
  .chip-latency{ left: -2%; }
  .chip-uptime{ right: 2%; }
}

@media (max-width: 480px){
  .nav-links{ width: min(84%, 320px); padding: 32px 28px; }
  .trust-row{ justify-content: center; gap: 22px 28px; }
  .cta-box{ padding: 40px 24px; }
}

@media (max-width: 360px){
  .brand{ font-size: 0.92rem; }
  .brand-mark{ width: 26px; height: 26px; }
  .nav-toggle{ width: 36px; height: 36px; }
  .hero-ctas .btn{ padding: 12px 20px; }
}

/* ============================================
   21. REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce){
  .sync-orbit.outer, .sync-orbit.mid, .sync-orbit.inner,
  .sync-spoke, .sync-hub-pulse, .sync-chip{
    animation: none;
  }
  .reveal{ opacity: 1; transform: none; transition: none; }
}