:root{
  --bg: #0A0A0F;
  --bg-elevated: #101018;
  --bg-card: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.18);
  --text-primary: #F2F3F5;
  --text-secondary: #9CA3AF;
  --text-tertiary: #6B7280;
  --blue: #3B82F6;
  --purple: #A855F7;
  --cyan: #22D3EE;
  --green: #34D399;
  --grad: linear-gradient(120deg, var(--cyan) 0%, var(--blue) 45%, var(--purple) 100%);
  --grad-soft: linear-gradient(120deg, rgba(34,211,238,0.15) 0%, rgba(59,130,246,0.15) 45%, rgba(168,85,247,0.15) 100%);
  --radius: 14px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}
html[data-theme="light"]{
  --bg: #F7F7FA;
  --bg-elevated: #FFFFFF;
  --bg-card: rgba(10,10,15,0.03);
  --border: rgba(10,10,15,0.08);
  --border-hover: rgba(10,10,15,0.18);
  --text-primary: #0B0B12;
  --text-secondary: #4B5060;
  --text-tertiary: #7A7F8C;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text-primary);
  font-family:var(--sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .4s ease, color .4s ease;
}
::selection{background:rgba(59,130,246,0.35);}
a{color:inherit;text-decoration:none;}
.mono{font-family:var(--mono);}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}

a:focus-visible, button:focus-visible, input:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}

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

/* ---------- background texture ---------- */
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 10%, transparent 75%);
  opacity:.6;
}
.glow-orb{
  position:fixed;z-index:0;pointer-events:none;border-radius:50%;
  filter:blur(110px);opacity:.35;
}
.glow-orb.one{width:520px;height:520px;top:-180px;left:-120px;background:var(--blue);}
.glow-orb.two{width:480px;height:480px;top:120px;right:-160px;background:var(--purple);}

/* ---------- navbar ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:16px 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  font-family:var(--mono);font-weight:700;font-size:17px;
  display:flex;align-items:center;gap:9px;letter-spacing:-0.02em;
}
.logo .dot{
  width:9px;height:9px;border-radius:2px;
  background:var(--grad);
  box-shadow:0 0 12px rgba(59,130,246,.7);
  flex-shrink:0;
}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{
  font-size:14px;color:var(--text-secondary);font-weight:500;
  transition:color .2s ease;position:relative;
}
.nav-links a:hover{color:var(--text-primary);}
.nav-right{display:flex;align-items:center;gap:14px;}
.theme-toggle{
  width:36px;height:36px;border-radius:8px;
  background:var(--bg-card);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--text-secondary);
  transition:border-color .2s ease, color .2s ease, transform .2s ease;
}
.theme-toggle:hover{border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-1px);}
.theme-toggle svg{width:16px;height:16px;}
.icon-sun{display:none;}
html[data-theme="light"] .icon-moon{display:none;}
html[data-theme="light"] .icon-sun{display:block;}
.nav-cta{
  font-family:var(--mono);font-size:13px;font-weight:500;
  padding:8px 16px;border-radius:8px;
  border:1px solid var(--border);
  color:var(--text-primary);
  transition:border-color .2s ease, background .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{border-color:var(--border-hover);background:var(--bg-card);}

/* ---------- language switcher ---------- */
.lang-switch{position:relative;}
.lang-btn{
  display:flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:12.5px;font-weight:600;
  padding:8px 10px;border-radius:8px;
  background:var(--bg-card);border:1px solid var(--border);
  color:var(--text-secondary);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.lang-btn:hover{border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-1px);}
.lang-btn svg{width:14px;height:14px;flex-shrink:0;}
.lang-btn #langBtnLabel{letter-spacing:.02em;}
.lang-dropdown{
  position:absolute;top:calc(100% + 8px);right:0;
  min-width:170px;
  background:var(--bg-elevated);border:1px solid var(--border);
  border-radius:10px;padding:6px;
  box-shadow:0 20px 50px -20px rgba(0,0,0,.55);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
  z-index:60;
}
.lang-switch.open .lang-dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.lang-option{
  display:flex;align-items:center;gap:10px;
  width:100%;padding:9px 10px;border-radius:7px;
  background:none;border:none;cursor:pointer;
  font-family:var(--sans);font-size:13.5px;color:var(--text-secondary);
  text-align:left;
}
.lang-option:hover{background:var(--bg-card);color:var(--text-primary);}
.lang-option.active{color:var(--text-primary);font-weight:600;}
.lang-option .flag{font-size:16px;line-height:1;}
.lang-option .check{margin-left:auto;width:14px;height:14px;stroke:var(--cyan);display:none;flex-shrink:0;}
.lang-option.active .check{display:block;}

.nav-toggle-mobile{
  display:none;
  width:36px;height:36px;border-radius:8px;
  background:var(--bg-card);border:1px solid var(--border);
  align-items:center;justify-content:center;
  cursor:pointer;color:var(--text-primary);
  position:relative;
}
.nav-toggle-mobile svg{width:18px;height:18px;}
.nav-toggle-mobile .icon-close{display:none;}
nav.menu-open .nav-toggle-mobile .icon-burger{display:none;}
nav.menu-open .nav-toggle-mobile .icon-close{display:block;}

.mobile-menu{
  display:none;
  max-height:0;
  overflow:hidden;
  border-top:1px solid transparent;
  transition:max-height .28s ease, border-color .28s ease;
}
.mobile-menu-inner{
  padding:8px 32px 24px;
  display:flex;flex-direction:column;gap:4px;
}
.mobile-menu a{
  font-size:15px;font-weight:500;color:var(--text-secondary);
  padding:12px 4px;border-bottom:1px solid var(--border);
  transition:color .2s ease;
}
.mobile-menu a:hover, .mobile-menu a:active{color:var(--text-primary);}
.mobile-menu .nav-cta{
  display:inline-flex;margin-top:12px;align-self:flex-start;
}
nav.menu-open .mobile-menu{
  max-height:400px;
  border-top-color:var(--border);
}

@media (max-width:860px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle-mobile{display:flex;}
  .mobile-menu{display:block;}
}

/* ---------- hero ---------- */
header.hero{
  position:relative;z-index:1;
  padding:168px 0 110px;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:center;
}
.eyebrow{
  font-family:var(--mono);font-size:12.5px;color:var(--cyan);
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:100px;
  border:1px solid var(--border);background:var(--bg-card);
  margin-bottom:24px;
}
.eyebrow .ping{width:6px;height:6px;border-radius:50%;background:var(--green);
  box-shadow:0 0 8px var(--green);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

h1.headline{
  font-size:56px;line-height:1.06;font-weight:800;letter-spacing:-0.03em;
  margin-bottom:22px;
}
h1.headline .grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sub-tagline{
  font-size:17px;color:var(--text-secondary);max-width:480px;margin-bottom:36px;
}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  font-family:var(--sans);font-weight:600;font-size:14.5px;
  padding:13px 24px;border-radius:9px;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--grad);color:#08080C;
  box-shadow:0 0 0 rgba(59,130,246,0);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px -8px rgba(59,130,246,.55);
}
.btn-ghost{
  background:transparent;border-color:var(--border);color:var(--text-primary);
}
.btn-ghost:hover{border-color:var(--border-hover);background:var(--bg-card);transform:translateY(-2px);}

/* terminal */
.terminal{
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.02) inset;
  position:relative;
}
.terminal::before{
  content:"";position:absolute;inset:-1px;border-radius:13px;padding:1px;
  background:var(--grad-soft);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:.6;pointer-events:none;
}
.terminal-bar{
  display:flex;align-items:center;gap:8px;
  padding:12px 16px;border-bottom:1px solid var(--border);
  background:rgba(255,255,255,0.015);
}
.terminal-bar span{width:10px;height:10px;border-radius:50%;}
.terminal-bar span:nth-child(1){background:#FF5F57;}
.terminal-bar span:nth-child(2){background:#FEBC2E;}
.terminal-bar span:nth-child(3){background:#28C840;}
.terminal-title{
  margin-left:8px;font-family:var(--mono);font-size:12px;color:var(--text-tertiary);
}
.terminal-body{
  padding:22px 22px 26px;font-family:var(--mono);font-size:13.5px;
  color:#D3D6DC;min-height:250px;
}
.terminal-body .line{margin-bottom:9px;white-space:pre-wrap;word-break:break-word;}
.terminal-body .prompt{color:var(--cyan);}
.terminal-body .ok{color:var(--green);}
.terminal-body .comment{color:var(--text-tertiary);}
.caret{
  display:inline-block;width:7px;height:15px;background:var(--cyan);
  vertical-align:middle;margin-left:2px;animation:blink 1s steps(2) infinite;
}
@keyframes blink{50%{opacity:0;}}

@media (max-width:940px){
  .hero-grid{grid-template-columns:1fr;}
  h1.headline{font-size:40px;}
  header.hero{padding:130px 0 70px;}
}

/* ---------- section shared ---------- */
section{position:relative;z-index:1;padding:110px 0;}
.section-head{max-width:600px;margin-bottom:56px;}
.section-tag{
  font-family:var(--mono);font-size:12.5px;color:var(--text-tertiary);
  text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px;display:block;
}
h2.section-title{font-size:34px;font-weight:800;letter-spacing:-0.02em;margin-bottom:14px;}
.section-desc{color:var(--text-secondary);font-size:15.5px;}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- products bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:18px;
}
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  position:relative;overflow:hidden;
  transition:border-color .3s ease, transform .3s ease, background .3s ease;
  display:flex;flex-direction:column;
}
.card.span-3{grid-column:span 3;}
.card.span-2{grid-column:span 2;}
.card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%), rgba(59,130,246,.10), transparent 60%);
  opacity:0;transition:opacity .3s ease;pointer-events:none;
}
.card:hover{border-color:var(--border-hover);transform:translateY(-3px);}
.card:hover::before{opacity:1;}
.card-icon{
  width:42px;height:42px;border-radius:10px;
  background:var(--grad-soft);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  box-shadow:0 0 24px rgba(59,130,246,.15);
}
.card-icon svg{width:20px;height:20px;stroke:var(--text-primary);}
.card h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:-0.01em;}
.card p{font-size:14px;color:var(--text-secondary);margin-bottom:20px;flex-grow:1;}
.card .learn{
  font-family:var(--mono);font-size:13px;font-weight:500;
  color:var(--cyan);display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s ease;
}
.card:hover .learn{gap:10px;}

@media (max-width:940px){
  .bento{grid-template-columns:1fr 1fr;}
  .card.span-3, .card.span-2{grid-column:span 2;}
}
@media (max-width:600px){
  .bento{grid-template-columns:1fr;}
  .card.span-3, .card.span-2{grid-column:span 1;}
}

/* ---------- about ---------- */
.about-grid{
  display:grid;grid-template-columns:220px 1fr;gap:52px;align-items:start;
}
.avatar{
  width:180px;height:180px;border-radius:16px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:800;font-size:52px;color:#08080C;
  position:relative;
  box-shadow:0 20px 60px -20px rgba(59,130,246,.5);
}
.avatar::after{
  content:"";position:absolute;inset:0;border-radius:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.18), transparent 40%);
}
.about-bio p{color:var(--text-secondary);font-size:15.5px;max-width:620px;margin-bottom:26px;}
.about-bio p strong{color:var(--text-primary);font-weight:600;}
.pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  font-family:var(--mono);font-size:12.5px;font-weight:500;
  padding:7px 14px;border-radius:100px;
  border:1px solid var(--border);background:var(--bg-card);
  color:var(--text-secondary);
  transition:border-color .2s ease,color .2s ease;
}
.pill:hover{border-color:var(--border-hover);color:var(--text-primary);}

@media (max-width:760px){
  .about-grid{grid-template-columns:1fr;}
  .avatar{width:120px;height:120px;font-size:36px;}
}

/* ---------- stats ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
}
.stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 36px 24px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.stat:last-child { border-right: none; }
.stat .num {
  font-family: var(--mono);
  font-weight: 800;
  font-size: 20px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 6px;
}
.stat .lbl { font-size: 13px; color: var(--text-tertiary); }
@media (max-width: 760px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stat { border-bottom: 1px solid var(--border); }
}

/* ---------- contact ---------- */
.contact-box{
  border:1px solid var(--border);border-radius:20px;
  background:var(--bg-card);
  padding:56px 48px;text-align:center;
  position:relative;overflow:hidden;
}
.contact-box::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(500px circle at 50% 0%, rgba(139,92,246,.14), transparent 70%);
}
.contact-box h2{font-size:36px;font-weight:800;letter-spacing:-0.02em;margin-bottom:14px;position:relative;}
.contact-box p{color:var(--text-secondary);margin-bottom:34px;position:relative;max-width:460px;margin-left:auto;margin-right:auto;}
.contact-form{
  display:flex;flex-direction:column;gap:12px;max-width:480px;margin:0 auto;position:relative;
}
.contact-form .form-row{display:flex;gap:10px;}
.contact-form input, .contact-form textarea{
  flex:1;padding:13px 16px;border-radius:9px;
  border:1px solid var(--border);background:var(--bg-elevated);
  color:var(--text-primary);font-size:14px;font-family:var(--sans);
  resize:vertical;
}
.contact-form textarea{min-height:96px;}
.contact-form input::placeholder, .contact-form textarea::placeholder{color:var(--text-tertiary);}
.contact-form .btn{align-self:center;}
.hp-field{position:absolute;left:-9999px;top:-9999px;opacity:0;height:0;width:0;pointer-events:none;}
.form-status{
  font-size:13px;min-height:18px;margin-top:-4px;
  color:var(--text-secondary);
}
.form-status.ok{color:#4ade80;}
.form-status.err{color:#f87171;}
@media (max-width:600px){
  .contact-form .form-row{flex-direction:column;}
  .contact-box{padding:48px 24px;}
}

/* ---------- footer ---------- */
footer{
  position:relative;z-index:1;
  border-top:1px solid var(--border);
  padding:32px 0;
}
.footer-inner{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
}
.footer-inner .logo{font-size:14px;}
.footer-links{display:flex;gap:26px;flex-wrap:wrap;}
.footer-links a{font-size:13.5px;color:var(--text-tertiary);}
.footer-links a:hover{color:var(--text-primary);}
.footer-copy{font-size:12.5px;color:var(--text-tertiary);}

/* ---------- legal pages ---------- */
.legal-hero{padding:150px 0 30px;position:relative;z-index:1;}
.legal-updated{color:var(--text-tertiary);font-size:13.5px;font-family:var(--mono);margin-top:6px;}
.legal-body{padding:10px 0 100px;position:relative;z-index:1;}
.legal-content{max-width:760px;}
.legal-content h2{font-size:19px;font-weight:700;margin:34px 0 12px;letter-spacing:-0.01em;}
.legal-content h2:first-child{margin-top:0;}
.legal-content p{color:var(--text-secondary);font-size:15px;margin-bottom:14px;}
.legal-content strong{color:var(--text-primary);font-weight:600;}
.legal-content ul{margin:0 0 14px 20px;color:var(--text-secondary);font-size:15px;}
.legal-content li{margin-bottom:6px;}
.legal-content table{width:100%;border-collapse:collapse;margin:16px 0 22px;font-size:13.5px;}
.legal-content th, .legal-content td{border:1px solid var(--border);padding:10px 12px;text-align:left;color:var(--text-secondary);}
.legal-content th{color:var(--text-primary);font-family:var(--mono);font-weight:600;background:var(--bg-card);}
.legal-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px;}