/* Bitnaga — design system shared across pages */
:root{
  --bg: #08070c;
  --bg-soft: #0c0a13;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.05);
  --purple: #9b5de5;
  --purple-bright: #b88bf0;
  --purple-dim: rgba(155, 93, 229, 0.35);
  --cyan: #6ee7ff;
  --text: #f4f2f9;
  --text-dim: #a9a4b8;
  --text-mute: #6b6678;
  --border: rgba(255,255,255,0.08);
  --border-bright: rgba(155,93,229,0.4);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
html,body{height:100%;}
body{
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}
a{ color: inherit; }
img{ max-width:100%; display:block; }
.container{
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
}

/* ---------- Header / Nav ---------- */
header.site{
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px clamp(20px, 5vw, 64px);
  background: rgba(8,7,12,0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand{ display:flex; align-items:center; gap: 12px; text-decoration:none; }
.brand img{ height: 28px; width: auto; }
nav.main-nav{
  display:flex;
  align-items:center;
  gap: clamp(16px, 3vw, 34px);
}
nav.main-nav a{
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color .2s ease;
}
nav.main-nav a:hover, nav.main-nav a.active{ color: var(--text); }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .2s ease, transform .15s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--purple);
  color: #fff;
}
.btn-primary:hover{ background: var(--purple-bright); transform: translateY(-1px); }
.btn-ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--border-bright); color: var(--purple-bright); }
.nav-toggle{
  display:none;
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

/* ---------- Sections ---------- */
section{ position: relative; padding: 96px 0; }
section.soft{ background: var(--bg-soft); }
.eyebrow{
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--purple-bright);
  font-weight: 600;
  margin-bottom: 16px;
}
h1, h2, h3, h4{ letter-spacing: -0.01em; font-weight: 700; }
h1{ font-size: clamp(32px, 5vw, 54px); line-height: 1.15; }
h2{ font-size: clamp(26px, 3.4vw, 38px); line-height: 1.2; }
h3{ font-size: 19px; line-height: 1.35; }
.grad{
  background: linear-gradient(90deg, var(--purple-bright), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede{
  color: var(--text-dim);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 640px;
  line-height: 1.65;
}
.section-head{ max-width: 720px; margin-bottom: 52px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Cards / grids ---------- */
.grid{ display:grid; gap: 20px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }

.card{
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.card:hover{ background: var(--bg-card-hover); border-color: var(--border-bright); transform: translateY(-2px); }
.card .icon{
  width: 42px; height: 42px;
  border-radius: 11px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(155,93,229,0.12);
  color: var(--purple-bright);
  margin-bottom: 18px;
}
.card .icon svg{ width:20px; height:20px; }
.card h3{ margin-bottom: 10px; }
.card p{ color: var(--text-dim); font-size: 14.5px; }
.card .tag{
  display:inline-block;
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
}

.chip{
  display:inline-block;
  font-size: 13px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: 84px 0 100px;
  overflow: hidden;
}
canvas#net{
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.45;
}
.glow{
  position: absolute;
  width: 60vw;
  height: 60vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155,93,229,0.22) 0%, rgba(155,93,229,0) 70%);
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
}
.hero .container{ position:relative; z-index:2; }
.hero-inner{ max-width: 780px; }
.hero-brandmark{ width: min(70vw, 420px); height: auto; margin-bottom: 22px; }
.hero h1{ margin-top: 18px; }
.hero .lede{ margin-top: 22px; }
.hero-cta{ display:flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-pillars{
  margin-top: 72px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.hero-pillars > div{
  background: var(--bg);
  padding: 22px 24px;
}
.hero-pillars .num{
  font-size: 12px;
  color: var(--purple-bright);
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.hero-pillars p{ font-size: 14px; color: var(--text-dim); }
.hero-pillars strong{ color: var(--text); display:block; margin-bottom:4px; font-size:15px; }

/* ---------- Coverage (360) ---------- */
.coverage{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.coverage .col{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px 26px;
  background: var(--bg-card);
}
.coverage .col .kicker{
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--purple-bright);
  margin-bottom: 10px;
}
.coverage .col h3{ margin-bottom: 10px; }
.coverage .col p.desc{ color: var(--text-dim); font-size: 14px; margin-bottom: 18px; }
.coverage ul{ list-style:none; display:flex; flex-direction:column; gap:10px; }
.coverage li{
  font-size: 14px;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.coverage li::before{
  content:'';
  position:absolute; left:0; top:8px;
  width:6px; height:6px; border-radius:50%;
  background: var(--purple-bright);
}

/* ---------- Service detail blocks ---------- */
.service-block{
  padding: 72px 0;
  border-top: 1px solid var(--border);
}
.service-head{
  display:flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.service-num{
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--purple-bright);
  margin-bottom: 10px;
}
.service-layout{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.service-layout .desc p{ color: var(--text-dim); margin-bottom: 16px; font-size: 15px; }
.value-list{ list-style:none; display:flex; flex-direction:column; gap:16px; }
.value-list li{
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  font-size: 14px;
  color: var(--text-dim);
}
.value-list strong{ color: var(--text); display:block; margin-bottom: 4px; font-size: 14.5px; }
.callout{
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: 12px;
  border: 1px solid var(--border-bright);
  background: rgba(155,93,229,0.06);
  font-size: 13.5px;
  color: var(--text-dim);
}
.callout strong{ color: var(--purple-bright); display:block; margin-bottom:4px; }

.catalog-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.catalog-grid .item{
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}
.catalog-grid .item h4{ font-size: 14.5px; margin-bottom: 6px; }
.catalog-grid .item p{ font-size: 13px; color: var(--text-dim); }

/* ---------- Product flow / code / table ---------- */
.flow{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.flow .step{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 20px;
  background: var(--bg-card);
}
.flow .step .n{
  width: 30px; height:30px;
  border-radius: 50%;
  background: rgba(155,93,229,0.15);
  color: var(--purple-bright);
  display:flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:700;
  margin-bottom: 14px;
}
.flow .step h4{ font-size: 14.5px; margin-bottom: 6px; }
.flow .step p{ font-size: 13px; color: var(--text-dim); }

.code-block{
  background: #0c0a13;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.65;
  color: #c9c3d6;
  overflow-x: auto;
  white-space: pre;
}
.code-block .kw{ color: var(--purple-bright); }
.code-block .str{ color: #7ee0a8; }
.code-block .com{ color: var(--text-mute); }

.provider-table{
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
  font-size: 14px;
}
.provider-table th, .provider-table td{
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.provider-table th{
  color: var(--text-mute);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.provider-table td{ color: var(--text-dim); }
.provider-table td:first-child{ color: var(--text); font-weight: 600; }

/* ---------- Partners / compliance ---------- */
.partner-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.partner-card{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  background: var(--bg-card);
}
.partner-card .logo-badge{
  background: #fff;
  border-radius: 12px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  margin-bottom: 18px;
}
.partner-card .logo-badge img, .partner-card .logo-badge svg{ max-height: 34px; max-width: 100%; height: auto; }
.partner-card .logo-badge.dark{ background: #15111f; }
.partner-card .name{ font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.partner-card .cat{ font-size: 11px; letter-spacing:.08em; text-transform:uppercase; color: var(--purple-bright); margin-bottom: 12px; }
.partner-card p{ font-size: 13px; color: var(--text-dim); }

.compliance-row{ display:flex; flex-wrap:wrap; gap: 12px; }

/* ---------- Final CTA ---------- */
.cta-block{
  text-align:center;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 72px 32px;
  background: radial-gradient(circle at 50% 0%, rgba(155,93,229,0.12), transparent 60%);
}
.cta-block h2{ max-width: 600px; margin: 0 auto 16px; }
.cta-block .lede{ margin: 0 auto; }
.cta-block .hero-cta{ justify-content:center; margin-top: 32px; }
.cta-contact{ margin-top: 28px; font-size: 13px; color: var(--text-mute); }
.cta-contact a{ color: var(--text-dim); text-decoration: none; }
.cta-contact a:hover{ color: var(--purple-bright); }

/* ---------- Contact form ---------- */
form.notify{
  margin-top: 32px;
  display: flex;
  gap: 10px;
  max-width: 440px;
}
form.notify input{
  flex: 1;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s ease, background .2s ease;
}
form.notify input::placeholder{ color: var(--text-mute); }
form.notify input:focus{ border-color: var(--purple); background: rgba(255,255,255,0.05); }
form.notify button{ padding: 14px 22px; }
.form-note{
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-mute);
  min-height: 16px;
  max-width: 440px;
  line-height: 1.5;
}
.form-note a{ color: var(--text-dim); text-decoration: underline; }
.form-note a:hover{ color: var(--purple-bright); }
.form-note.ok{ color: #7ee0a8; }
.form-note.error{ color: #f28b82; }
@media (max-width: 520px){
  form.notify{ flex-direction: column; }
}

/* ---------- Footer ---------- */
footer.site{
  border-top: 1px solid var(--border);
  padding: 40px clamp(20px, 5vw, 64px) 44px;
}
footer.site .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap: wrap;
  gap: 20px;
}
footer.site .brand img{ height: 22px; }
.socials{ display:flex; gap: 14px; }
.socials a{
  width: 34px; height: 34px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.socials a:hover{ color: var(--purple-bright); border-color: var(--purple-dim); transform: translateY(-2px); }
.socials svg{ width: 15px; height: 15px; }
footer .copy{ font-size: 12px; color: var(--text-mute); }
footer .copy a{ color: var(--text-dim); text-decoration:none; }
footer .copy a:hover{ color: var(--purple-bright); }
.foot-links{ display:flex; gap: 20px; }
.foot-links a{ font-size: 13px; color: var(--text-dim); text-decoration:none; }
.foot-links a:hover{ color: var(--purple-bright); }

/* ---------- Mobile ---------- */
@media (max-width: 860px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr 1fr; }
  .coverage{ grid-template-columns: 1fr; }
  .hero-pillars{ grid-template-columns: 1fr; }
  .service-layout{ grid-template-columns: 1fr; gap: 28px; }
  .catalog-grid{ grid-template-columns: repeat(2, 1fr); }
  .partner-grid{ grid-template-columns: repeat(2, 1fr); }
  .flow{ grid-template-columns: 1fr 1fr; }
  .provider-table{ font-size: 13px; }
}
@media (max-width: 640px){
  nav.main-nav{
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
    gap: 22px;
    transform: translateX(100%);
    transition: transform .25s ease;
    border-top: 1px solid var(--border);
  }
  nav.main-nav.open{ transform: translateX(0); }
  .nav-toggle{ display:flex; }
  nav.main-nav a{ font-size: 16px; }
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
  .catalog-grid{ grid-template-columns: 1fr; }
  .partner-grid{ grid-template-columns: 1fr; }
  .flow{ grid-template-columns: 1fr; }
  .provider-table{ display: block; overflow-x: auto; white-space: nowrap; }
  section{ padding: 64px 0; }
  .service-head{ align-items: flex-start; }
  footer.site .container{ flex-direction:column; align-items:flex-start; }
}