/* ============ TOKENS ============ */
:root{
  --bg: #0B0F19;
  --bg-alt: #10182B;
  --surface: #131C31;
  --border: rgba(255,255,255,.08);
  --teal: #00D9B5;
  --violet: #7B5CFF;
  --text: #F4F6FB;
  --muted: #93A0BE;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 14px;
  --wrap: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,svg{ display:block; max-width:100%; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 .5em;
}

a{ color: inherit; text-decoration: none; }

.eyebrow{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .75rem;
  color: var(--teal);
  margin: 0 0 .9em;
}
.eyebrow.center{ text-align:center; }

.section-title{ font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.section-title.center{ text-align:center; max-width: 640px; margin-left:auto; margin-right:auto; }

.grad-text{
  background: linear-gradient(90deg, var(--teal), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-block;
  padding: .85em 1.6em;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary{
  background: linear-gradient(90deg, var(--teal), var(--violet));
  color: #051019;
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,217,181,.25); }
.btn-ghost{
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--teal); }
.btn-block{ width:100%; text-align:center; border:none; }

/* ============ HEADER / NAV ============ */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(11,15,25,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 74px;
}
.logo{ display:flex; align-items:center; gap:.6em; }
.logo-word{
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .01em;
  font-size: 1.1rem;
}
.logo-accent{ color: var(--teal); }

.site-nav{ display:flex; align-items:center; gap: 2em; }
.site-nav a{ font-size:.95rem; color: var(--muted); transition: color .15s ease; }
.site-nav a:hover{ color: var(--text); }
.nav-cta{
  color: var(--bg) !important;
  background: var(--teal);
  padding: .55em 1.2em;
  border-radius: 999px;
  font-weight: 600;
}
.nav-cta:hover{ color: var(--bg) !important; }

.nav-burger{
  display:none; flex-direction:column; gap:5px; cursor:pointer;
  background:none; border:none; padding:6px;
}
.nav-burger span{ width:24px; height:2px; background: var(--text); display:block; }

/* ============ HERO ============ */
.hero{ padding: 76px 0 40px; overflow:hidden; }
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items:center;
}
.hero h1{ font-size: clamp(2.2rem, 4.6vw, 3.4rem); font-weight: 700; }
.hero-sub{ color: var(--muted); max-width: 46ch; font-size: 1.05rem; }
.hero-actions{ display:flex; gap: 14px; margin: 1.6em 0 1.4em; flex-wrap:wrap; }
.hero-tags{ list-style:none; display:flex; gap: .8em; padding:0; margin:0; flex-wrap:wrap; }
.hero-tags li{
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .4em .9em;
}

.hero-visual{ position:relative; }
.network-svg{ width:100%; height:auto; }
.net-lines path{
  stroke: var(--border);
  stroke-width: 1.4;
  fill:none;
  stroke-dasharray: 6 6;
  animation: flow 6s linear infinite;
}
@keyframes flow{ to{ stroke-dashoffset: -120; } }
.n-teal{ fill: var(--teal); }
.n-violet{ fill: var(--violet); }
.pulse-a{ animation: pulse 3.2s ease-in-out infinite; }
.pulse-b{ animation: pulse 3.2s ease-in-out infinite .8s; }
.pulse-c{ animation: pulse 3.2s ease-in-out infinite 1.6s; }
@keyframes pulse{
  0%,100%{ opacity:.65; transform-origin:center; }
  50%{ opacity:1; filter: drop-shadow(0 0 6px currentColor); }
}

/* section divider motif */
.divider{ width: 220px; margin: 0 auto; opacity:.8; }
.div-line{ stroke: var(--border); stroke-width:2; }
.div-node{ fill: var(--teal); }
.div-node-sm{ fill: var(--violet); }

/* ============ SERVICES ============ */
.services{ padding: 70px 0; }
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 2.4em;
}
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
}
.card-highlight{
  border-color: rgba(0,217,181,.35);
  box-shadow: 0 0 0 1px rgba(0,217,181,.12), 0 20px 40px rgba(0,0,0,.3);
}
.card h3{ font-size: 1.15rem; }
.card p{ color: var(--muted); font-size: .95rem; margin:0; }
.card-icon{
  width: 44px; height:44px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 10px;
  font-size: 1.2rem;
  margin-bottom: .9em;
}
.icon-teal{ background: rgba(0,217,181,.12); color: var(--teal); }
.icon-violet{ background: rgba(123,92,255,.15); color: var(--violet); }

/* ============ ABOUT / MISSION-VISION ============ */
.about{ padding: 60px 0 80px; background: var(--bg-alt); }
.mv-grid{
  display:grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items:center;
  margin-top: 2.2em;
}
.mv-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
}
.mv-label{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: .8em;
}
.mv-card p{ margin:0; color: var(--text); font-size: .98rem; }
.mv-connector svg{ width: 40px; height: 160px; }

.values-title{
  text-align:center; margin-top: 3em; font-size: 1.3rem;
}
.values-list{
  list-style:none; margin: 1.4em 0 0; padding:0;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.values-list li{
  font-size: .92rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.values-list strong{ color: var(--teal); }

/* ============ WHY US ============ */
.why{ padding: 70px 0; }
.why-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 2.2em;
}
.why-item{
  border-left: 2px solid var(--violet);
  padding-left: 18px;
}
.why-item h4{ font-size: 1.05rem; margin-bottom:.35em; }
.why-item p{ color: var(--muted); margin:0; font-size: .95rem; }

/* ============ CONTACT ============ */
.contact{ padding: 70px 0 90px; background: var(--bg-alt); }
.contact-inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-list{ list-style:none; padding:0; margin: 1.6em 0 0; display:flex; flex-direction:column; gap: 12px; }
.contact-list li{ color: var(--text); font-size: .95rem; }
.contact-list span{
  display:block; font-family: var(--font-mono); font-size: .7rem;
  color: var(--muted); text-transform:uppercase; letter-spacing:.08em; margin-bottom:2px;
}

.contact-form{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display:flex; flex-direction:column; gap: 6px;
}
.contact-form label{ font-size: .8rem; color: var(--muted); margin-top: 10px; }
.contact-form input, .contact-form textarea{
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: .95rem;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}
.contact-form button{ margin-top: 16px; }
.form-note{ font-size: .75rem; color: var(--muted); margin-top: 10px; }

/* ============ FOOTER ============ */
.site-footer{ border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap: 8px; text-align:center; }
.footer-tag{ color: var(--muted); font-size: .9rem; margin:0; }
.footer-copy{ color: var(--muted); font-size: .8rem; margin:0; }

/* ============ RESPONSIVE ============ */
@media (max-width: 860px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order:-1; max-width: 320px; margin: 0 auto; }
  .cards{ grid-template-columns: 1fr; }
  .mv-grid{ grid-template-columns: 1fr; }
  .mv-connector{ display:none; }
  .values-list{ grid-template-columns: 1fr 1fr; }
  .why-grid{ grid-template-columns: 1fr; }
  .contact-inner{ grid-template-columns: 1fr; }

  .site-nav{
    position:absolute; top:74px; left:0; right:0;
    background: var(--bg);
    flex-direction:column;
    align-items:flex-start;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display:none;
    gap: 1.2em;
  }
  .nav-burger{ display:flex; }
  .site-nav.is-open{ display:flex; }
}

@media (max-width: 520px){
  .values-list{ grid-template-columns: 1fr; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  .net-lines path, .pulse-a, .pulse-b, .pulse-c{ animation: none; }
}