/* ==================== Tokens ==================== */
:root{
  --bg: #05060a;
  --bg-alt: #090b12;
  --surface: #0e111a;
  --surface-2: #141926;
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.16);
  --text: #eef1f8;
  --text-dim: #9aa3b8;
  --text-faint: #5c6480;

  --cyan: #33e6ff;
  --violet: #9b6bff;
  --magenta: #ff4fd8;
  --blue: #4f7bff;

  --grad-primary: linear-gradient(120deg, var(--cyan), var(--violet) 55%, var(--magenta));
  --grad-text: linear-gradient(120deg, var(--cyan), var(--violet));

  --font-sans: 'Sora', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; overflow-x: hidden; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4{ margin:0; font-weight: 700; letter-spacing: -0.02em; }
p{ margin:0; }
a{ color: inherit; text-decoration: none; }
ul{ list-style:none; margin:0; padding:0; }
img{ max-width:100%; display:block; }
::selection{ background: var(--violet); color:#fff; }

.accent{ color: var(--cyan); }
.grad-text{
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==================== Background FX ==================== */
#bg-particles{
  position: fixed; inset:0;
  width:100%; height:100%;
  z-index:0;
  pointer-events:none;
}
.mesh-glow{
  position: fixed;
  width: 60vmax; height: 60vmax;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
  z-index:0;
  pointer-events:none;
  will-change: transform;
}
.mesh-a{ top:-20vmax; left:-15vmax; background: radial-gradient(circle at 30% 30%, var(--violet), transparent 70%); animation: floatA 22s ease-in-out infinite; }
.mesh-b{ bottom:-25vmax; right:-15vmax; background: radial-gradient(circle at 60% 60%, var(--cyan), transparent 70%); animation: floatB 26s ease-in-out infinite; }
.mesh-c{ top:30vh; right:5vw; width:40vmax; height:40vmax; background: radial-gradient(circle, var(--magenta), transparent 70%); opacity:.22; animation: floatC 30s ease-in-out infinite; }

@keyframes floatA{ 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(6vw, 8vh) scale(1.1); } }
@keyframes floatB{ 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(-5vw,-6vh) scale(1.08); } }
@keyframes floatC{ 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(-4vw, 5vh) scale(.92); } }

.grain{
  position: fixed; inset:0; z-index:1; pointer-events:none;
  opacity:.03; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ==================== Layout helpers ==================== */
.section{ position:relative; z-index:2; max-width:1180px; margin:0 auto; padding:120px 32px; }
.section-alt{ background: linear-gradient(180deg, transparent, rgba(255,255,255,.015) 15%, rgba(255,255,255,.015) 85%, transparent); }
.section-head{ max-width: 640px; margin-bottom:56px; }
.tag{
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing:.12em; text-transform:uppercase;
  color: var(--cyan); margin-bottom:14px; display:block;
}
.section-head h2{ font-size: clamp(28px, 4vw, 42px); margin-bottom:14px; }
.section-sub{ color: var(--text-dim); font-size: 16px; max-width: 560px; }

/* ==================== Reveal on scroll ==================== */
[data-reveal]{
  opacity:0; transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].is-visible{ opacity:1; transform: translateY(0); }

/* ==================== Buttons ==================== */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight:600; font-size:14.5px;
  cursor:pointer; border:none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn svg{ transition: transform .25s var(--ease); }
.btn:hover svg{ transform: translateX(3px); }
.btn-primary{
  background: var(--grad-primary);
  background-size: 200% 200%;
  color:#040509;
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 8px 30px -8px rgba(155,107,255,.55);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255,255,255,.12), 0 14px 38px -8px rgba(155,107,255,.75); background-position: 100% 50%; }
.btn-outline{
  background: transparent; color: var(--text);
  border:1px solid var(--border-strong);
}
.btn-outline:hover{ border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn-ghost{
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  font-size:13.5px;
}
.btn-ghost:hover{ background: rgba(255,255,255,.08); border-color: var(--border-strong); }
.btn-block{ width:100%; justify-content:center; }

/* ==================== Nav ==================== */
.nav{
  position: fixed; top:0; left:0; right:0; z-index:100;
  padding: 18px 32px;
  transition: background .3s var(--ease), border-color .3s var(--ease), padding .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled{
  background: rgba(5,6,10,.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
  padding: 12px 32px;
}
.nav-inner{ max-width:1180px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-mono); font-weight:600; font-size:15px; letter-spacing:.04em; }
.brand-mark{ color: var(--cyan); text-shadow: 0 0 16px var(--cyan); font-size:18px; }
.nav-links{ display:flex; align-items:center; gap:32px; font-size:14px; color: var(--text-dim); }
.nav-links a{ position:relative; transition: color .2s; padding:4px 0; }
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; height:1px; width:0;
  background: var(--grad-text); transition: width .25s var(--ease);
}
.nav-links a:hover{ color: var(--text); }
.nav-links a:hover::after{ width:100%; }
.nav-cta{ flex-shrink:0; }
.nav-burger{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
.nav-burger span{ width:22px; height:2px; background: var(--text); border-radius:2px; }

/* ==================== Hero ==================== */
.hero{
  position:relative; z-index:2;
  min-height: 100vh;
  display:flex; align-items:center; gap:40px;
  max-width:1180px; margin:0 auto; padding:140px 32px 80px;
}
.hero-inner{ flex: 1 1 560px; max-width:640px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-mono); font-size:13px; color: var(--text-dim);
  border:1px solid var(--border); background: rgba(255,255,255,.03);
  padding:7px 14px; border-radius:999px; margin-bottom:26px;
}
.dot-pulse{ width:7px; height:7px; border-radius:50%; background: var(--cyan); box-shadow:0 0 10px var(--cyan); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:1; transform:scale(1); } 50%{ opacity:.4; transform:scale(.7); } }

.hero h1{ font-size: clamp(34px, 5.4vw, 60px); line-height:1.08; margin-bottom:22px; }
.hero-sub{ font-size:17px; color: var(--text-dim); max-width: 520px; margin-bottom:34px; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:56px; }

.hero-stats{ display:flex; gap:36px; flex-wrap:wrap; }
.stat{ display:flex; flex-direction:column; }
.stat-num{ font-family: var(--font-mono); font-size:30px; font-weight:700; color:var(--text); }
.stat-plus{ display:none; }
.stat-label{ font-size:12.5px; color: var(--text-faint); max-width:130px; margin-top:4px; }

/* Hero visual — orbit */
.hero-visual{
  flex: 1 1 420px;
  display:flex; align-items:center; justify-content:center;
  min-height: 440px;
}
.orbit-wrap{ position:relative; width:380px; height:380px; }
.orbit-core{
  position:absolute; top:50%; left:50%; width:74px; height:74px;
  transform: translate(-50%,-50%);
  border-radius:50%;
  background: var(--grad-primary);
  box-shadow: 0 0 60px 10px rgba(155,107,255,.45), 0 0 120px 30px rgba(51,230,255,.15);
  animation: corePulse 4s ease-in-out infinite;
}
@keyframes corePulse{ 0%,100%{ box-shadow: 0 0 60px 10px rgba(155,107,255,.45), 0 0 120px 30px rgba(51,230,255,.15);} 50%{ box-shadow: 0 0 80px 18px rgba(155,107,255,.6), 0 0 150px 40px rgba(51,230,255,.25);} }
.orbit-ring{
  position:absolute; top:50%; left:50%;
  border:1px solid var(--border-strong);
  border-radius:50%;
  transform: translate(-50%,-50%);
}
.ring-1{ width:180px; height:180px; animation: spin 14s linear infinite; border-style:dashed; border-color: rgba(51,230,255,.35); }
.ring-2{ width:270px; height:270px; animation: spin 22s linear infinite reverse; border-color: rgba(155,107,255,.3); }
.ring-3{ width:360px; height:360px; animation: spin 34s linear infinite; border-color: rgba(255,79,216,.2); }
@keyframes spin{ from{ transform: translate(-50%,-50%) rotate(0deg);} to{ transform: translate(-50%,-50%) rotate(360deg);} }

.orbit-node{
  position:absolute;
  font-family: var(--font-mono); font-size:12px; font-weight:600;
  width:46px; height:46px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background: rgba(14,17,26,.9);
  border:1px solid var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(6px);
  box-shadow: 0 0 20px rgba(0,0,0,.4);
}
.n1{ top:8%; left:50%; transform: translateX(-50%); animation: bob 6s ease-in-out infinite; }
.n2{ top:50%; right:2%; transform: translateY(-50%); animation: bob 6s ease-in-out infinite .8s; }
.n3{ bottom:6%; left:22%; animation: bob 6s ease-in-out infinite 1.6s; }
.n4{ top:38%; left:0%; animation: bob 6s ease-in-out infinite 2.4s; }
@keyframes bob{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-10px); } }
.n1, .n3{ transform-origin: center; }

.scroll-cue{
  position:absolute; left:50%; bottom:28px; transform: translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:11px; letter-spacing:.15em; text-transform:uppercase;
  color: var(--text-faint);
}
.scroll-cue span{
  width:1px; height:34px;
  background: linear-gradient(var(--cyan), transparent);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown{ 0%{ opacity:0; transform: scaleY(.4); transform-origin: top;} 40%{ opacity:1; transform: scaleY(1); transform-origin: top;} 100%{ opacity:0; transform: scaleY(1); transform-origin: bottom;} }

/* ==================== Marquee ==================== */
.marquee-strip{
  position:relative; z-index:2;
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  background: rgba(255,255,255,.02);
  overflow:hidden; padding:18px 0;
}
.marquee-track{
  display:flex; gap:14px; white-space:nowrap; width:max-content;
  font-family: var(--font-mono); font-size:13px; color: var(--text-faint); letter-spacing:.08em;
  animation: marquee 32s linear infinite;
}
.marquee-track span:nth-child(2n){ color: var(--cyan); }
@keyframes marquee{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }

/* ==================== Cards ==================== */
.cards-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:22px; }
.card{
  position:relative;
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015));
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:30px 26px;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
  overflow:hidden;
}
.card::before{
  content:''; position:absolute; inset:0; border-radius: inherit; padding:1px;
  background: var(--grad-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity:0; transition: opacity .3s var(--ease);
  pointer-events:none;
}
.card:hover{ transform: translateY(-6px); border-color: transparent; background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); }
.card:hover::before{ opacity:1; }
.card-icon{
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(51,230,255,.08); color: var(--cyan);
  margin-bottom:20px;
}
.card h3{ font-size:19px; margin-bottom:10px; }
.card p{ color: var(--text-dim); font-size:14.5px; margin-bottom:18px; }
.card-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.card-tags li{
  font-family: var(--font-mono); font-size:11px; color: var(--text-faint);
  border:1px solid var(--border); padding:4px 10px; border-radius:999px;
}

/* ==================== Timeline ==================== */
.timeline{ position:relative; }
.timeline-line{
  position:absolute; left:23px; top:8px; bottom:8px; width:1px;
  background: linear-gradient(var(--cyan), var(--violet), var(--magenta));
  opacity:.4;
}
.tl-step{ position:relative; display:flex; gap:28px; padding-bottom:44px; }
.tl-step:last-child{ padding-bottom:0; }
.tl-num{
  flex-shrink:0; width:48px; height:48px; border-radius:50%;
  background: var(--surface); border:1px solid var(--border-strong);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-size:13px; color: var(--cyan);
  z-index:1;
}
.tl-body h3{ font-size:19px; margin-bottom:8px; }
.tl-body p{ color: var(--text-dim); font-size:14.5px; max-width:520px; }

/* ==================== Stack cloud ==================== */
.stack-cloud{ display:flex; flex-wrap:wrap; gap:14px; }
.stack-cloud span{
  font-family: var(--font-mono); font-size:13.5px;
  padding:10px 18px; border-radius:999px;
  border:1px solid var(--border); color: var(--text-dim);
  transition: all .25s var(--ease); cursor:default;
}
.stack-cloud span:hover{
  color:#040509; border-color:transparent;
  background: var(--grad-primary);
  transform: translateY(-3px);
}

/* ==================== Feature grid ==================== */
.feature-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:24px; }
.feature{
  border-top:1px solid var(--border-strong);
  padding-top:20px;
}
.feature-num{ font-family: var(--font-mono); font-size:13px; color: var(--text-faint); }
.feature h3{ font-size:17px; margin:14px 0 10px; }
.feature p{ font-size:14px; color: var(--text-dim); }

/* ==================== Contact ==================== */
.contact-panel{
  display:grid; grid-template-columns: 1fr 1fr; gap:0;
  border:1px solid var(--border); border-radius:24px;
  overflow:hidden;
  background: linear-gradient(135deg, rgba(155,107,255,.06), rgba(51,230,255,.04));
}
.contact-copy{ padding:56px; display:flex; flex-direction:column; justify-content:center; }
.contact-info{ margin-top:32px; display:flex; flex-direction:column; gap:14px; }
.contact-item{ display:flex; align-items:center; gap:10px; font-size:14.5px; color: var(--text-dim); }
.contact-item svg{ color: var(--cyan); flex-shrink:0; }
a.contact-item:hover{ color: var(--cyan); }

.contact-form{
  padding:56px; display:flex; flex-direction:column; gap:18px;
  background: rgba(5,6,10,.35);
  border-left:1px solid var(--border);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.contact-form label{ display:flex; flex-direction:column; gap:8px; font-size:13px; color: var(--text-dim); }
.contact-form input, .contact-form textarea{
  font-family: var(--font-sans); font-size:14.5px; color: var(--text);
  background: rgba(255,255,255,.03); border:1px solid var(--border);
  border-radius: var(--radius-sm); padding:12px 14px;
  outline:none; resize:vertical;
  transition: border-color .2s, background .2s;
}
.contact-form input:focus, .contact-form textarea:focus{ border-color: var(--cyan); background: rgba(255,255,255,.05); }
.form-note{ font-size:13px; color: var(--cyan); min-height:18px; }
.form-note.is-error{ color: var(--magenta); }
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; pointer-events:none; }

/* ==================== Footer ==================== */
.footer{ position:relative; z-index:2; border-top:1px solid var(--border); padding:64px 32px 28px; }
.footer-inner{ max-width:1180px; margin:0 auto; display:flex; justify-content:space-between; gap:60px; flex-wrap:wrap; }
.footer-brand{ max-width:280px; }
.footer-brand p{ color: var(--text-faint); font-size:13.5px; margin-top:14px; }
.footer-cols{ display:flex; gap:60px; flex-wrap:wrap; }
.footer-cols h4{ font-size:13px; color: var(--text-faint); text-transform:uppercase; letter-spacing:.08em; margin-bottom:16px; }
.footer-cols a{ display:block; color: var(--text-dim); font-size:14px; margin-bottom:10px; transition: color .2s; }
.footer-cols a:hover{ color: var(--cyan); }
.footer-bottom{
  max-width:1180px; margin:48px auto 0; padding-top:24px;
  border-top:1px solid var(--border);
  font-size:12.5px; color: var(--text-faint);
}

/* ==================== Responsive ==================== */
@media (max-width: 980px){
  .hero{ flex-direction:column; text-align:center; padding-top:150px; }
  .hero-inner{ max-width:100%; }
  .hero-sub{ margin-left:auto; margin-right:auto; }
  .hero-cta{ justify-content:center; }
  .hero-stats{ justify-content:center; }
  .stat{ align-items:center; }
  .stat-label{ text-align:center; }
  .cards-grid{ grid-template-columns: repeat(2,1fr); }
  .feature-grid{ grid-template-columns: repeat(2,1fr); }
  .contact-panel{ grid-template-columns:1fr; }
  .contact-form{ border-left:none; border-top:1px solid var(--border); }
  .nav-links{ display:none; }
}
@media (max-width: 640px){
  .section{ padding:80px 20px; }
  .cards-grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns:1fr; }
  .contact-copy, .contact-form{ padding:32px 24px; }
  .nav-cta{ display:none; }
  .nav-burger{ display:flex; }
  .hero-visual{ min-height:320px; transform: scale(.85); }
  .footer-inner{ flex-direction:column; gap:36px; }
}