*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #000;
  --bg1: #0b0a14;
  --bg2: #111020;
  --zinc900: #18181b;
  --zinc800: #27272a;
  --cyan4: #22d3ee;
  --cyan5: #06b6d4;
  --blue5: #3b82f6;
  --blue6: #2563eb;
  --indigo5: #6366f1;
  --purple5: #a855f7;
  --purple6: #9333ea;
  --pink5: #ec4899;
  --red5: #ef4444;
  --orange5: #f97316;
  --teal5: #14b8a6;
  --green5: #22c55e;
  --emerald5: #10b981;
  --w10: rgba(255,255,255,.10);
  --w20: rgba(255,255,255,.20);
  --w40: rgba(255,255,255,.40);
  --w50: rgba(255,255,255,.50);
  --w60: rgba(255,255,255,.60);
  --nav-h: 72px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--black);
  color: #fff;
  overflow-x: hidden;
  line-height: 1.6;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--cyan5); border-radius: 3px; }

::selection { background: var(--cyan5); color: var(--black); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6%;
  background: rgba(0,0,0,.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--w10);
  transform: translateY(-110px);
  transition: transform .5s ease;
}
nav.visible { transform: translateY(0); }

.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-box {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan5), var(--blue6));
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 13px; color: #fff; letter-spacing: -1px;
  box-shadow: 0 0 20px rgba(6,182,212,.4);
}
.nav-logo-text { font-weight: 700; font-size: 1.1rem; letter-spacing: .5px; }

.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
  font-size: .875rem; font-weight: 500; color: rgba(255,255,255,.5);
  text-decoration: none; transition: color .2s;
  display: flex; align-items: center; gap: 4px;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a.active { position: relative; }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: #fff;
}

.nav-btn {
  padding: 8px 20px; background: #fff; color: #000; border: none;
  font-size: .75rem; font-family: 'JetBrains Mono', monospace;
  font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  cursor: pointer; text-decoration: none; display: inline-block;
  transition: background .2s, color .2s;
}
.nav-btn:hover { background: var(--cyan4); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all .3s; }

/* ── HERO ── */
#hero {
  min-height: 100vh; position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: calc(var(--nav-h) + 40px) 6% 60px;
}

.hero-blobs { position: absolute; inset: 0; pointer-events: none; }
.hero-blob {
  position: absolute; border-radius: 50%;
  filter: blur(100px); opacity: 0;
  animation: blobFade 1.2s forwards;
}
.hero-blob-1 { width: 600px; height: 600px; left: 10%; top: 20%; background: radial-gradient(circle, rgba(6,182,212,.3) 0%, transparent 70%); animation-delay: .6s; }
.hero-blob-2 { width: 500px; height: 500px; left: 80%; top: 30%; background: radial-gradient(circle, rgba(168,85,247,.3) 0%, transparent 70%); animation-delay: .8s; }
.hero-blob-3 { width: 400px; height: 400px; left: 50%; top: 70%; background: radial-gradient(circle, rgba(59,130,246,.25) 0%, transparent 70%); animation-delay: 1s; }

@keyframes blobFade { to { opacity: 1; } }

.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(6,182,212,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,182,212,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 75%);
}

.hero-fade { position: absolute; bottom: 0; left: 0; right: 0; height: 200px; background: linear-gradient(to top, #000, transparent); pointer-events: none; }

.hero-content { position: relative; z-index: 10; max-width: 900px; margin: 0 auto; text-align: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px; border-radius: 50px;
  background: rgba(255,255,255,.05); backdrop-filter: blur(12px);
  border: 1px solid var(--w10);
  font-size: .875rem; color: rgba(255,255,255,.7); font-weight: 500;
  margin-bottom: 32px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .7s .3s forwards;
}
.badge-dot {
  position: relative; width: 8px; height: 8px;
}
.badge-dot::before, .badge-dot::after {
  content: ''; position: absolute; inset: 0;
  border-radius: 50%; background: var(--green5);
}
.badge-dot::before { animation: ping 1.5s infinite; opacity: .75; }

@keyframes ping { 0%,100% { transform: scale(1); opacity: .75; } 50% { transform: scale(1.6); opacity: 0; } }

.hero-title {
  font-size: clamp(2.4rem, 6.5vw, 5rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -1.5px;
  margin-bottom: 24px;
  opacity: 0; animation: fadeUp .7s .5s forwards;
}
.hero-title-gradient {
  background: linear-gradient(90deg, var(--cyan4), var(--blue5), var(--purple5));
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: gradShift 4s linear infinite;
}
@keyframes gradShift { to { background-position: 200% center; } }

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,.5); max-width: 680px; margin: 0 auto 40px;
  line-height: 1.75;
  opacity: 0; animation: fadeUp .7s .7s forwards;
}

.hero-cta {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  opacity: 0; animation: fadeUp .7s .9s forwards;
}

.btn-gradient {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px; border-radius: 50px;
  background: linear-gradient(135deg, var(--cyan5), var(--blue6));
  color: #fff; font-weight: 600; font-size: .95rem; text-decoration: none;
  box-shadow: 0 4px 24px rgba(6,182,212,.3);
  transition: box-shadow .3s, transform .2s;
  border: none; cursor: pointer; overflow: hidden; position: relative;
}
.btn-gradient:hover { box-shadow: 0 8px 36px rgba(6,182,212,.5); transform: translateY(-2px); }
.btn-gradient svg { transition: transform .2s; }
.btn-gradient:hover svg { transform: translateX(3px); }

.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.3); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  opacity: 0; animation: fadeUp .7s 1.2s forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ── SECTIONS COMMON ── */
section { padding: 100px 6%; position: relative; }

.mono-label {
  display: block; font-family: 'JetBrains Mono', monospace;
  font-size: .7rem; font-weight: 600; letter-spacing: .2em;
  text-transform: uppercase; color: var(--cyan4); margin-bottom: 16px;
}

.section-h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800; letter-spacing: -1px; line-height: 1.15;
  margin-bottom: 16px;
}

.section-sub {
  color: rgba(255,255,255,.5); font-size: 1.1rem; line-height: 1.75;
  max-width: 700px; margin: 0 auto;
}

.text-center { text-align: center; }
.container { max-width: 1200px; margin: 0 auto; }

/* reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }
.reveal-l { opacity: 0; transform: translateX(-30px); transition: opacity .7s, transform .7s; }
.reveal-l.in { opacity: 1; transform: none; }

/* ── SYSTEMS ── */
#systems { background: var(--bg1); }
#systems .header-wrap { margin-bottom: 56px; }

.systems-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.sys-card {
  position: relative; border-radius: 20px; overflow: hidden;
  background: rgba(24,24,27,.8); backdrop-filter: blur(20px);
  border: 1px solid var(--w10);
  padding: 32px;
  transition: border-color .3s, transform .3s;
  text-decoration: none; display: block; color: inherit;
}
.sys-card::before {
  content: ''; position: absolute; inset: -1px;
  border-radius: 20px;
  background: var(--card-grad);
  opacity: 0; filter: blur(20px);
  transition: opacity .5s;
  z-index: -1;
}
.sys-card:hover { border-color: var(--w20); transform: translateY(-4px); }
.sys-card:hover::before { opacity: .4; }

.sys-card-glow {
  position: absolute; top: 0; right: 0; width: 200px; height: 200px;
  background: var(--card-grad); opacity: .05; filter: blur(60px);
  transition: opacity .3s;
}
.sys-card:hover .sys-card-glow { opacity: .12; }

.sys-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--card-grad);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}

.sys-icon svg { width: 28px; height: 28px; stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.sys-title {
  font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 10px;
  transition: color .2s;
}
.sys-card:hover .sys-title { color: var(--cyan4); }

.sys-desc {
  font-size: .9rem; color: rgba(255,255,255,.6); line-height: 1.7; margin-bottom: 20px;
}

.sys-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.sys-tag {
  font-size: .72rem; font-weight: 500;
  color: rgba(255,255,255,.5); background: rgba(255,255,255,.05);
  border: 1px solid var(--w10); padding: 3px 10px; border-radius: 50px;
}

.sys-more {
  display: flex; align-items: center; gap: 8px;
  font-size: .875rem; color: rgba(255,255,255,.4);
  transition: color .2s;
}
.sys-card:hover .sys-more { color: var(--cyan4); }
.sys-more svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.sys-card:hover .sys-more svg { transform: translate(3px, -3px); }

/* ── PROBLEM ── */
#problem { background: linear-gradient(to bottom, var(--black), rgba(127,29,29,.08), var(--black)); }

.problem-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px; margin: 40px auto; max-width: 900px;
}

.problem-card {
  background: rgba(127,29,29,.15); border: 1px solid rgba(239,68,68,.2);
  border-radius: 14px; padding: 24px; text-align: center;
}
.problem-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(239,68,68,.1); display: flex; align-items: center;
  justify-content: center; margin: 0 auto 16px; color: rgba(239,68,68,.8);
}
.problem-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.problem-card p { font-size: .9rem; color: rgba(255,255,255,.7); line-height: 1.5; }

.solution-box {
  max-width: 900px; margin: 0 auto;
  background: linear-gradient(135deg, rgba(6,182,212,.1), rgba(59,130,246,.1));
  border: 1px solid rgba(6,182,212,.25); border-radius: 20px; padding: 40px;
  display: flex; gap: 24px; align-items: flex-start;
}
.solution-icon {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan5), var(--blue6));
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.solution-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.solution-box h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 10px; }
.solution-box p { color: rgba(255,255,255,.6); line-height: 1.75; font-size: 1.05rem; }

/* ── COMPARE ── */
#compare { background: linear-gradient(to bottom, var(--black), rgba(24,24,27,.5)); }

.compare-table {
  max-width: 900px; margin: 0 auto;
  border: 1px solid var(--w10); border-radius: 20px; overflow: hidden;
}
.compare-head {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  background: rgba(24,24,27,.8);
}
.compare-head-cell {
  padding: 16px 24px;
  font-family: 'JetBrains Mono', monospace; font-size: .7rem;
  font-weight: 600; letter-spacing: .15em; text-transform: uppercase;
}
.compare-head-cell:nth-child(2) { color: rgba(239,68,68,.6); text-align: center; border-left: 1px solid var(--w10); }
.compare-head-cell:nth-child(3) { color: var(--cyan4); text-align: center; border-left: 1px solid var(--w10); }
.compare-head-cell:nth-child(1) { color: rgba(255,255,255,.4); }

.compare-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid var(--w10); transition: background .2s;
}
.compare-row:hover { background: rgba(255,255,255,.03); }
.compare-cell {
  padding: 16px 24px; font-size: .9rem;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.compare-cell:first-child { color: #fff; font-weight: 500; justify-content: flex-start; }
.compare-cell:not(:first-child) { border-left: 1px solid rgba(255,255,255,.05); }
.compare-cell .no { color: rgba(239,68,68,.5); font-size: .85rem; }
.compare-cell .yes { color: var(--cyan4); font-size: .85rem; }
.check-icon, .x-icon { width: 16px; height: 16px; flex-shrink: 0; }
.check-icon { stroke: var(--cyan4); fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.x-icon { stroke: rgba(239,68,68,.5); fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

/* ── WHY ── */
#why { background: linear-gradient(to bottom, rgba(24,24,27,.5), var(--black)); }

.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.why-card {
  position: relative; border-radius: 14px; padding: 24px;
  border: 1px solid; transition: border-color .3s, transform .3s;
}
.why-card.featured {
  background: linear-gradient(135deg, rgba(6,182,212,.1), rgba(168,85,247,.1));
  border-color: rgba(6,182,212,.25);
}
.why-card.normal {
  background: rgba(24,24,27,.5);
  border-color: var(--w10);
}
.why-card:hover { transform: translateY(-3px); }
.why-card.featured:hover { border-color: rgba(6,182,212,.5); }
.why-card.normal:hover { border-color: var(--w20); }

.why-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.why-icon.grad { background: linear-gradient(135deg, var(--cyan5), var(--purple5)); color: #fff; }
.why-icon.plain { background: rgba(255,255,255,.05); color: var(--cyan4); }
.why-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.why-title { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 8px; transition: color .2s; }
.why-card:hover .why-title { color: var(--cyan4); }
.why-text { font-size: .875rem; color: rgba(255,255,255,.5); line-height: 1.65; }

/* ── DEMO ── */
#demo {
  background: var(--bg1);
}
.demo-window {
  max-width: 1100px; margin: 0 auto;
  background: #03000d; border: 1px solid var(--w10); border-radius: 20px;
  overflow: hidden; box-shadow: 0 40px 80px rgba(0,0,0,.5);
}
.demo-titlebar {
  height: 52px; background: var(--bg1); border-bottom: 1px solid rgba(255,255,255,.05);
  display: flex; align-items: center; justify-content: space-between; padding: 0 16px;
}
.demo-dots { display: flex; gap: 8px; }
.demo-dot { width: 12px; height: 12px; border-radius: 50%; }
.demo-dot-r { background: rgba(239,68,68,.2); border: 1px solid rgba(239,68,68,.5); }
.demo-dot-y { background: rgba(234,179,8,.2); border: 1px solid rgba(234,179,8,.5); }
.demo-dot-g { background: rgba(34,197,94,.2); border: 1px solid rgba(34,197,94,.5); }

.demo-tabs { display: flex; gap: 4px; background: rgba(255,255,255,.05); border-radius: 8px; padding: 4px; }
.demo-tab {
  padding: 6px 16px; border-radius: 6px; font-size: .75rem; font-weight: 500;
  display: flex; align-items: center; gap: 6px; cursor: pointer; transition: all .2s;
  color: rgba(255,255,255,.4); background: transparent; border: none;
}
.demo-tab.active { background: rgba(255,255,255,.08); border: 1px solid var(--w10); color: #fff; }
.demo-tab svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.demo-status {
  display: flex; align-items: center; gap: 8px; padding: 4px 12px;
  background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.2); border-radius: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: var(--green5);
}
.demo-status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green5); animation: ping 1.5s infinite; }

.demo-body {
  height: 580px; display: flex; overflow: hidden;
}
.demo-sidebar {
  width: 260px; flex-shrink: 0; padding: 16px; border-right: 1px solid rgba(255,255,255,.05);
  display: flex; flex-direction: column; gap: 12px; overflow: hidden;
}
.demo-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.demo-stat-box {
  background: #1a1825; border-radius: 8px; padding: 10px 8px; text-align: center;
}
.demo-stat-label { font-size: .65rem; color: rgba(255,255,255,.4); margin-bottom: 4px; }
.demo-stat-val { font-size: 1rem; font-weight: 700; }
.demo-stat-val.yellow { color: #facc15; }
.demo-stat-val.cyan { color: var(--cyan4); }
.demo-stat-val.green { color: var(--emerald5); }

.demo-zones { background: rgba(26,24,37,.5); border: 1px solid rgba(255,255,255,.05); border-radius: 12px; padding: 12px; }
.demo-zones-label { font-size: .65rem; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 10px; }
.demo-zone-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 10px; border-radius: 8px; margin-bottom: 4px;
  background: rgba(255,255,255,.03); border: 1px solid transparent;
  font-size: .75rem; cursor: pointer; transition: border-color .2s;
}
.demo-zone-row:hover { border-color: rgba(255,255,255,.1); }
.zone-dot { width: 8px; height: 8px; border-radius: 50%; }
.zone-dot.green { background: var(--green5); box-shadow: 0 0 6px var(--green5); }
.zone-dot.orange { background: var(--orange5); box-shadow: 0 0 6px var(--orange5); }
.zone-dot.red { background: var(--red5); box-shadow: 0 0 6px var(--red5); }
.zone-name { flex: 1; margin-left: 10px; color: rgba(255,255,255,.7); font-weight: 500; }
.zone-val { color: rgba(255,255,255,.4); font-family: 'JetBrains Mono', monospace; }

.demo-main { flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.demo-main-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  background: #1a1825; border-radius: 8px; padding: 8px 16px;
  font-size: .75rem; color: rgba(255,255,255,.4);
}
.demo-map {
  flex: 1; background: #0b0a14; border-radius: 12px; border: 1px solid var(--w10);
  position: relative; overflow: hidden;
}
.demo-map-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.demo-map-zone {
  position: absolute; border-radius: 8px;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; color: rgba(255,255,255,.2);
}
.map-node {
  position: absolute; cursor: pointer;
}
.map-node-dot {
  width: 14px; height: 14px; border-radius: 50%; border-width: 2px; border-style: solid;
  position: relative; z-index: 2;
}
.map-node-ping {
  position: absolute; inset: -4px; border-radius: 50%; opacity: .5;
  animation: ping 1.8s infinite;
}
.map-node:hover .map-node-label { opacity: 1; }
.map-node-label {
  position: absolute; left: 50%; transform: translateX(-50%);
  top: calc(100% + 6px);
  background: rgba(0,0,0,.85); border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(8px); padding: 3px 8px; border-radius: 6px;
  font-size: .65rem; white-space: nowrap; color: rgba(255,255,255,.7); opacity: 0; transition: opacity .2s;
}
.node-green .map-node-dot { background: var(--green5); border-color: #4ade80; }
.node-green .map-node-ping { background: var(--green5); }
.node-orange .map-node-dot { background: var(--orange5); border-color: #fb923c; }
.node-orange .map-node-ping { background: var(--orange5); }
.node-red .map-node-dot { background: var(--red5); border-color: #f87171; }
.node-red .map-node-ping { background: var(--red5); }

.demo-legend {
  position: absolute; bottom: 12px; right: 12px;
  background: rgba(0,0,0,.6); backdrop-filter: blur(8px);
  border-radius: 8px; padding: 10px 14px; display: flex; gap: 16px;
}
.legend-item { display: flex; align-items: center; gap: 6px; font-size: .65rem; color: rgba(255,255,255,.6); }

.demo-footer {
  height: 32px; background: var(--bg1); border-top: 1px solid rgba(255,255,255,.05);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: rgba(255,255,255,.3);
}

/* ── ARCHITECTURE ── */
#architecture { background: linear-gradient(to bottom, rgba(24,24,27,.5), var(--black)); }

.arch-stack { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }

.arch-layer {
  position: relative; background: rgba(24,24,27,.8); backdrop-filter: blur(12px);
  border: 1px solid var(--w10); border-radius: 14px; padding: 24px;
  display: flex; align-items: center; gap: 20px;
  transition: border-color .3s;
}
.arch-layer:hover { border-color: var(--w20); }
.arch-layer-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.arch-layer-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.arch-layer-title { font-size: 1.05rem; font-weight: 600; color: #fff; transition: color .2s; }
.arch-layer:hover .arch-layer-title { color: var(--cyan4); }

/* ── PROCESS ── */
#process { background: linear-gradient(to bottom, var(--black), rgba(24,24,27,.5), var(--black)); }

.process-steps { position: relative; }
.process-line {
  position: absolute; left: 50%; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(6,182,212,.3), transparent);
  display: none;
}

.process-step {
  display: flex; gap: 32px; align-items: center; margin-bottom: 48px;
  position: relative;
}
.process-step:last-child { margin-bottom: 0; }
.process-step:nth-child(even) { flex-direction: row-reverse; }

.step-number {
  font-size: 6rem; font-weight: 800; line-height: 1;
  opacity: .15; letter-spacing: -3px; flex-shrink: 0;
  background: var(--step-grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  width: 120px; text-align: center;
}

.step-card {
  position: relative; flex: 1; max-width: 600px;
  background: rgba(24,24,27,.8); backdrop-filter: blur(12px);
  border: 1px solid var(--w10); border-radius: 20px; padding: 32px;
  transition: border-color .3s;
}
.step-card:hover { border-color: var(--w20); }
.step-card-inner { display: flex; gap: 20px; align-items: flex-start; }
.step-icon {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  background: var(--step-grad); display: flex; align-items: center;
  justify-content: center; color: #fff;
}
.step-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.step-title { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.step-desc { font-size: .9rem; color: rgba(255,255,255,.5); line-height: 1.7; }
.spacer { flex: 1; }

/* ── FOR WHOM ── */
#forwhom { background: linear-gradient(to bottom, var(--black), rgba(24,24,27,.3)); }

.forwhom-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px; max-width: 900px; margin: 0 auto;
}

.forwhom-card {
  background: rgba(24,24,27,.5); border: 1px solid var(--w10);
  border-radius: 14px; padding: 24px;
  display: flex; align-items: center; gap: 16px;
  transition: border-color .3s;
}
.forwhom-card:hover { border-color: rgba(6,182,212,.3); }
.forwhom-icon {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  background: rgba(6,182,212,.1); color: var(--cyan4);
  display: flex; align-items: center; justify-content: center;
}
.forwhom-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.forwhom-text { font-size: .95rem; font-weight: 500; color: #fff; line-height: 1.4; }

/* ── CTA ── */
#cta {
  background: linear-gradient(135deg, rgba(8,47,73,.3), var(--black), rgba(88,28,135,.2));
  position: relative; overflow: hidden;
}
#cta::before {
  content: ''; position: absolute; inset: -1px 0 -1px 0;
  pointer-events: none;
}
.cta-ring {
  position: absolute; border-radius: 50%; border: 1px solid;
  pointer-events: none;
}
.cta-ring-1 { width: 600px; height: 600px; left: -200px; top: -200px; border-color: rgba(6,182,212,.08); }
.cta-ring-2 { width: 800px; height: 800px; right: -300px; bottom: -300px; border-color: rgba(168,85,247,.06); }

.cta-inner { max-width: 860px; margin: 0 auto; text-align: center; position: relative; z-index: 2; }

.cta-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 50px;
  background: rgba(6,182,212,.1); border: 1px solid rgba(6,182,212,.2);
  font-size: .875rem; color: var(--cyan4); margin-bottom: 32px;
}
.cta-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green5); animation: ping 1.5s infinite; }

.cta-h2 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -1px; margin-bottom: 20px; }
.cta-h2 span { background: linear-gradient(90deg, var(--cyan4), var(--blue5)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cta-sub { font-size: 1.1rem; color: rgba(255,255,255,.6); max-width: 620px; margin: 0 auto 48px; line-height: 1.75; }

.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-outline-white {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px; border-radius: 50px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.2);
  color: #fff; font-weight: 500; font-size: .95rem; text-decoration: none;
  transition: background .2s, border-color .2s;
}
.btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.3); }
.btn-outline-white svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ── FOOTER ── */
footer {
  background: var(--black); border-top: 1px solid rgba(255,255,255,.06);
  padding: 60px 6% 32px; position: relative; overflow: hidden;
}
footer::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,.4), transparent);
}

.footer-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 48px;
  margin-bottom: 48px;
}

.footer-logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.footer-about { font-size: .875rem; color: rgba(255,255,255,.4); line-height: 1.75; max-width: 320px; }

.footer-h { font-family: 'JetBrains Mono', monospace; font-size: .65rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--cyan4); margin-bottom: 20px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: .875rem; color: rgba(255,255,255,.5); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--cyan4); }

.footer-contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; text-decoration: none; color: rgba(255,255,255,.4); font-size: .875rem; transition: color .2s; }
.footer-contact-item:hover { color: var(--cyan4); }
.footer-contact-item svg { width: 16px; height: 16px; stroke: rgba(6,182,212,.6); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.footer-contact-item:hover svg { stroke: var(--cyan4); }

.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,.06);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: rgba(255,255,255,.2); letter-spacing: .08em; }

.nav-logo-img { height: 34px; width: auto; display: block; }
.footer-logo-img { height: 64px; width: auto; display: block; }

/* ── IXH-GO ── */
.ixhgo-logo { height: 72px; width: auto; display: block; margin: 0 auto 28px; }
#ixhgo { background: linear-gradient(to bottom, var(--black), var(--bg2)); }
.ixhgo-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.ixhgo-lead { font-size: 1.05rem; color: rgba(255,255,255,.7); line-height: 1.75; margin-bottom: 20px; }
.ixhgo-lead strong { color: #fff; }
.ixhgo-stack { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.ixhgo-chip {
  font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--cyan4);
  padding: 6px 12px; border-radius: 999px; border: 1px solid rgba(6,182,212,.3); background: rgba(6,182,212,.08);
}
.ixhgo-features { display: grid; gap: 14px; }
.ixhgo-features .why-card { display: flex; gap: 16px; padding: 20px; }
.ixhgo-features .why-icon { flex-shrink: 0; margin-bottom: 0; }
.ixhgo-flow {
  margin-top: 48px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px;
  font-family: 'JetBrains Mono', monospace; font-size: .8rem; color: rgba(255,255,255,.6);
}
.ixhgo-flow span { padding: 10px 16px; border-radius: 10px; border: 1px solid var(--w10); background: rgba(24,24,27,.6); }
.ixhgo-flow span.core { color: #fff; border-color: rgba(6,182,212,.5); background: linear-gradient(135deg, rgba(6,182,212,.15), rgba(168,85,247,.15)); }
.ixhgo-flow i { font-style: normal; color: var(--cyan4); }

/* ── KONTAKT ── */
#contact { background: var(--bg1); }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; max-width: 1000px; margin: 0 auto; }
.contact-card { text-decoration: none; color: inherit; display: block; }
.contact-value { font-size: 1.1rem; font-weight: 600; color: #fff; word-break: break-word; }
.contact-card:hover .contact-value { color: var(--cyan4); }
.contact-label { font-family: 'JetBrains Mono', monospace; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--w40); margin-bottom: 6px; }

/* ── MOBILE ── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links, .nav-btn { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(0,0,0,.97); backdrop-filter: blur(20px);
    padding: 24px 6%; border-bottom: 1px solid var(--w10); gap: 20px;
  }
  .systems-grid { grid-template-columns: 1fr; }
  .solution-box { flex-direction: column; }
  .process-step, .process-step:nth-child(even) { flex-direction: column; align-items: flex-start; }
  .process-line { display: none; }
  .step-number { font-size: 4rem; width: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .demo-sidebar { display: none; }
  .ixhgo-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ── PODSTRONY SYSTEMÓW ── */
.subpage { padding-top: var(--nav-h); }
.sp-hero { padding-top: 72px; padding-bottom: 56px; overflow: hidden; }
.sp-hero-glow {
  position: absolute; top: -120px; right: -80px; width: 520px; height: 520px;
  background: var(--card-grad); opacity: .14; filter: blur(110px); pointer-events: none;
}
.sp-hero .container { position: relative; }
.sp-back { display: inline-block; margin-bottom: 32px; font-size: .875rem; color: var(--w50); text-decoration: none; }
.sp-back:hover { color: var(--cyan4); }
.sp-hero .section-h2 { margin-top: 8px; }
.sp-lead { max-width: 720px; margin-left: 0; text-align: left; }
.sp-section { padding-top: 64px; padding-bottom: 64px; }
.sp-alt { background: linear-gradient(to bottom, rgba(24,24,27,.5), var(--black)); }
.sp-features { margin-top: 24px; }
.sp-how { border: 1px solid var(--w10); border-radius: 16px; padding: 28px; background: rgba(24,24,27,.5); }
.sp-how ul { list-style: none; display: grid; gap: 16px; }
.sp-how li { display: flex; gap: 12px; align-items: flex-start; color: rgba(255,255,255,.75); font-size: .95rem; line-height: 1.6; }
.sp-how .check-icon { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; stroke: var(--cyan4); fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.sp-cta .cta-actions { margin-top: 32px; justify-content: center; }
.sp-cta .section-sub { margin: 0 auto; }
.sp-others { margin-top: 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.sp-other {
  display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: 14px;
  border: 1px solid var(--w10); background: rgba(24,24,27,.6); color: #fff; text-decoration: none; font-weight: 600;
  transition: border-color .2s, transform .2s;
}
.sp-other:hover { border-color: var(--w20); transform: translateY(-2px); }
.sys-icon.sm { width: 40px; height: 40px; border-radius: 10px; margin-bottom: 0; flex-shrink: 0; }
.sys-icon.sm svg { width: 20px; height: 20px; }

/* ── W PRAKTYCE ── */
#praktyka { background: linear-gradient(to bottom, var(--bg1), var(--black)); }
.section-h3 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: #fff; margin-top: 8px; }
.shots { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.shot { grid-column: span 2; margin: 0; border: 1px solid var(--w10); border-radius: 16px; overflow: hidden; background: rgba(24,24,27,.6); transition: border-color .3s, transform .3s; }
.shot.wide { grid-column: span 3; }
.shot:hover { border-color: var(--w20); transform: translateY(-3px); }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { padding: 12px 16px; font-size: .85rem; color: var(--w50); line-height: 1.5; }
@media (max-width: 899px) { .shots { grid-template-columns: 1fr; } .shot, .shot.wide { grid-column: auto; } }
.ext-grid { max-width: 820px; margin: 0 auto; }
.soon-badge {
  display: inline-block; margin-left: 10px; vertical-align: middle; padding: 2px 8px; border-radius: 999px;
  font-family: 'JetBrains Mono', monospace; font-size: .6rem; letter-spacing: .08em; text-transform: uppercase;
  color: #fbbf24; border: 1px solid rgba(251,191,36,.35); background: rgba(251,191,36,.08);
}
.hw-grid { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 1100px) { .hw-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .hw-grid { grid-template-columns: 1fr; } }

/* ── SUBSKRYPCJA ── */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 960px; margin: 0 auto; }
.plan { border: 1px solid var(--w10); border-radius: 18px; padding: 28px; background: rgba(24,24,27,.5); }
.plan.featured { border-color: rgba(6,182,212,.35); background: linear-gradient(135deg, rgba(6,182,212,.1), rgba(168,85,247,.1)); }
.plan-label { font-family: 'JetBrains Mono', monospace; font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: var(--cyan4); margin-bottom: 8px; }
.plan-title { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 20px; }
.plan ul { list-style: none; display: grid; gap: 14px; }
.plan li { display: flex; gap: 12px; align-items: flex-start; color: rgba(255,255,255,.75); font-size: .95rem; line-height: 1.6; }
.plan li strong { color: #fff; }
.plan .check-icon { width: 20px; height: 20px; margin-top: 2px; }
.plan-note { max-width: 760px; margin: 24px auto 0; text-align: center; font-size: .9rem; color: var(--w50); }
.plan-note a { color: var(--cyan4); }
@media (max-width: 768px) { .plans { grid-template-columns: 1fr; } }