/* ===================================================================
   CIRRI Digital Softwares — Design System
   Palette:  bg #070B13 · surface #0E1520 · surface-2 #141D2C
             border #1F2A3C · text #E8EDF6 · muted #93A1B8
             accent teal #34E4C4 · accent violet #8B7CFF
   Type:     Display  = Space Grotesk
             Body     = Inter
             Mono/UI  = IBM Plex Mono
   =================================================================== */

:root {
  --bg: #070B13;
  --bg-surface: #0E1520;
  --bg-surface-2: #141D2C;
  --border: #1F2A3C;
  --border-soft: #182233;
  --text: #E8EDF6;
  --text-muted: #93A1B8;
  --text-faint: #5B6880;
  --accent: #34E4C4;
  --accent-2: #8B7CFF;
  --accent-rgb: 52, 228, 196;
  --accent-2-rgb: 139, 124, 255;
  --gradient: linear-gradient(135deg, var(--accent), var(--accent-2));
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-glow: 0 0 40px rgba(var(--accent-rgb), 0.12);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --maxw: 1200px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  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;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
p { margin: 0 0 1em; color: var(--text-muted); }
button, input, textarea, select { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* background: faint grid + vignette, sits behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 40%, transparent 90%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background: radial-gradient(ellipse 70% 45% at 18% -8%, rgba(var(--accent-2-rgb), 0.16), transparent 60%),
              radial-gradient(ellipse 60% 40% at 100% 10%, rgba(var(--accent-rgb), 0.10), transparent 60%);
}

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.section { padding: 108px 0; position: relative; }
.section--tight { padding: 72px 0; }
.section--surface { background: var(--bg-surface); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 2px rgba(var(--accent-rgb), 0.7);
}

.h1 { font-size: clamp(2.4rem, 4.6vw, 3.6rem); }
.h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); }
.h3 { font-size: 1.25rem; }
.lede { font-size: 1.15rem; color: var(--text-muted); max-width: 620px; }

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--gradient);
  color: #04110C;
  font-weight: 600;
}
.btn--primary:hover { box-shadow: 0 8px 30px rgba(var(--accent-rgb), 0.35); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 19, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.brand-mark { width: 34px; height: 34px; flex-shrink: 0; }
.brand-sub { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--text-faint); font-weight: 400; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--text-muted);
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--bg); background: var(--accent); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; }

@media (max-width: 880px) {
  .nav-links { position: fixed; top: 76px; left: 0; right: 0; background: var(--bg-surface); border-bottom: 1px solid var(--border-soft); flex-direction: column; align-items: stretch; padding: 12px; gap: 2px; transform: translateY(-130%); transition: transform 0.25s ease; }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 16px; }
  .nav-links a.active { background: rgba(var(--accent-rgb), 0.12); color: var(--accent); }
  .nav-cta .btn--ghost { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 38px; height: 38px; background: none; border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
  }
  .nav-toggle span { display: block; height: 2px; width: 18px; margin: 0 auto; background: var(--text); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero { padding: 96px 0 60px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 56px; flex-wrap: wrap; }
.hero-stat b { display: block; font-family: var(--font-display); font-size: 1.7rem; }
.hero-stat span { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); letter-spacing: 0.08em; text-transform: uppercase; }

/* signal-network hero graphic */
.signal-graphic { position: relative; }
.signal-graphic .pulse-path { fill: none; stroke: url(#gradPath); stroke-width: 1.5; opacity: 0.55; }
.signal-graphic .pulse-dot { filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), 0.9)); }
.signal-graphic .node-ring { animation: pulseRing 3s ease-in-out infinite; }
.signal-graphic .n1 { animation-delay: 0s; }
.signal-graphic .n2 { animation-delay: 0.5s; }
.signal-graphic .n3 { animation-delay: 1s; }
.signal-graphic .n4 { animation-delay: 1.5s; }
@keyframes pulseRing {
  0%, 100% { opacity: 0.35; r: 26; }
  50% { opacity: 0.05; r: 34; }
}
.signal-graphic .traveler { offset-rotate: 0deg; animation: travel 4.5s linear infinite; }
@keyframes travel { 0% { offset-distance: 0%; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }
.t1 { offset-path: path('M 250,190 C 180,150 120,120 70,90'); }
.t2 { offset-path: path('M 250,190 C 320,150 380,120 430,90'); animation-delay: 1.1s !important; }
.t3 { offset-path: path('M 250,190 C 180,230 120,260 70,290'); animation-delay: 2.2s !important; }
.t4 { offset-path: path('M 250,190 C 320,230 380,260 430,290'); animation-delay: 3.3s !important; }

/* ---------- Logo strip ---------- */
.logo-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; padding: 34px 0; }
.logo-strip span { font-family: var(--font-mono); font-size: 13px; color: var(--text-faint); letter-spacing: 0.05em; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { border-color: rgba(var(--accent-rgb), 0.4); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  margin-bottom: 20px;
  color: var(--accent);
}
.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 0; font-size: 14.5px; }
.card-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--accent-2); text-transform: uppercase; margin-bottom: 14px;
}

.pill-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pill { font-family: var(--font-mono); font-size: 12px; padding: 7px 13px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-muted); }

/* ---------- Section headers ---------- */
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Process / numbered steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { position: relative; padding-top: 8px; border-top: 1px solid var(--border); }
.step .num { font-family: var(--font-mono); color: var(--accent); font-size: 13px; margin-bottom: 14px; display: block; }

/* ---------- CTA band ---------- */
.cta-band {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.09), rgba(var(--accent-2-rgb), 0.09));
  padding: 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { margin-bottom: 8px; }
.cta-band p { margin-bottom: 0; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border-soft); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px; margin-bottom: 48px; }
.footer h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 18px; }
.footer ul li { margin-bottom: 11px; }
.footer ul a { color: var(--text-muted); font-size: 14.5px; transition: color 0.15s ease; }
.footer ul a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; border-top: 1px solid var(--border-soft); flex-wrap: wrap; gap: 12px; }
.footer-bottom p { margin: 0; font-size: 13px; color: var(--text-faint); }
.social-row { display: flex; gap: 12px; }
.social-row a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: all 0.15s ease; }
.social-row a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 72px 0 56px; border-bottom: 1px solid var(--border-soft); }
.breadcrumb { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); letter-spacing: 0.03em; }
.field input, .field textarea, .field select {
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  color: var(--text);
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--text-faint); margin-top: 4px; }
.form-success { display: none; padding: 16px 18px; border-radius: var(--radius-sm); background: rgba(var(--accent-rgb), 0.1); border: 1px solid rgba(var(--accent-rgb), 0.35); color: var(--accent); font-size: 14px; margin-top: 18px; }
.form-success.show { display: block; }

.contact-card { display: flex; gap: 16px; padding: 22px; border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--bg-surface); margin-bottom: 16px; }
.contact-card .card-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-card h4 { margin-bottom: 4px; font-size: 15px; }
.contact-card p { margin-bottom: 0; font-size: 14px; }

/* ---------- Misc content pages (About / Privacy) ---------- */
.value-card { padding: 26px; border-radius: var(--radius-md); border: 1px solid var(--border-soft); background: var(--bg-surface); }
.timeline { border-left: 1px solid var(--border); padding-left: 28px; display: flex; flex-direction: column; gap: 34px; }
.timeline-item { position: relative; }
.timeline-item::before { content: ""; position: absolute; left: -33px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.15); }
.timeline-item .yr { font-family: var(--font-mono); color: var(--accent); font-size: 13px; }

.prose h2 { margin-top: 2.2em; font-size: 1.4rem; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--text-muted); font-size: 15px; }
.prose ul { padding-left: 20px; list-style: disc; margin-bottom: 1em; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--text); }
.updated-badge { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-inner .signal-graphic { order: -1; max-width: 320px; margin: 0 auto; }
  .grid--2 { grid-template-columns: 1fr; }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-band { padding: 40px 28px; flex-direction: column; text-align: center; }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .nav .wrap { height: 68px; }
}