:root{
  /* Base tokens (used by both themes) */
  --radius:14px;
  --maxw:1200px;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition: background-color 320ms ease, color 320ms ease;
}

/* DARK THEME (default) */
:root, html[data-theme="dark"] {
  --bg: #04060a;
  --card: #071028;
  --muted: #9fb2ff;
  --accent1: #00f0ff;
  --accent2: #6a5cff;
  --glass: rgba(255,255,255,0.04);
  --text: #e6eefc;
  --subtle: rgba(255,255,255,0.03);
  --control-bg: rgba(255,255,255,0.03);
  --control-color: #eaf3ff;
  --shadow: rgba(2,6,20,0.6);
  --footer-bg: linear-gradient(180deg, rgba(3,6,14,0.85), rgba(3,6,14,0.72));
  --footer-border: rgba(255,255,255,0.03);
}

/* LIGHT THEME */
html[data-theme="light"] {
  --bg: linear-gradient(180deg,#fbf6f8,#eef3fb);
  --card: #ffffff;
  --muted: #3b4a6a;
  --accent1: #e4c1cf;
  --accent2: #7b2bff;
  --glass: rgba(2,6,20,0.02);
  --text: #07122a;
  --subtle: rgba(7,18,42,0.04);
  --control-bg: rgba(7,18,42,0.04);
  --control-color: #07122a;
  --shadow: rgba(10,16,30,0.06);
  --footer-bg: linear-gradient(180deg, rgba(250,251,255,0.8), rgba(245,247,252,0.95));
  --footer-border: rgba(7,18,42,0.06);
}

/* page base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(106,92,255,0.06), transparent),
    radial-gradient(800px 400px at 90% 90%, rgba(0,240,255,0.04), transparent),
    var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.45;
  overflow-x:hidden;
}

/* canvas sits behind */
#bg-canvas{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
}

/* container */
.container{
  width:92%;
  max-width:var(--maxw);
  margin:0 auto;
  position:relative;
  z-index:2;
}

/* header */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-bottom: 1px solid var(--subtle);
  z-index:5;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:68px;
}
.logo{
  display:flex;
  gap:12px;
  align-items:center;
  color:var(--control-color);
  text-decoration:none;
  font-weight:600;
}
.logo strong{color:var(--accent2)}
.main-nav{
  margin-left:32px;
  display:flex;
  gap:18px;
  align-items:center;
  flex:1;
}
.main-nav a{
  color:var(--control-color);
  text-decoration:none;
  padding:8px 10px;
  border-radius:8px;
}
.main-nav a:hover{background:var(--control-bg)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:10px 14px;font-weight:600;text-decoration:none}
.btn-primary{background:linear-gradient(90deg,var(--accent1),var(--accent2));color:#fff;box-shadow:0 6px 18px var(--shadow)}
.btn-outline{border:1px solid var(--subtle);color:var(--muted);background:transparent}
.btn-ghost{color:var(--muted);background:transparent;border:none}

/* header controls */
.header-controls{display:flex;gap:12px;align-items:center}
.theme-toggle{
  display:inline-grid;
  place-items:center;
  width:44px;height:38px;border-radius:10px;border:1px solid var(--subtle);
  background:var(--control-bg);color:var(--control-color);
  cursor:pointer;font-size:14px;
  transition:transform 160ms ease, background-color 200ms;
}
.theme-toggle:active{transform:scale(0.98)}
.theme-toggle .icon-sun{display:none}
html[data-theme="light"] .theme-toggle .icon-sun{display:inline}
html[data-theme="dark"] .theme-toggle .icon-moon{display:inline}
html[data-theme="light"] .theme-toggle .icon-moon{display:none}

/* nav toggle for mobile */
.nav-toggle{display:none;background:none;border:0;color:var(--control-color)}
.hamburger{display:inline-block;width:22px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hamburger::before,.hamburger::after{content:"";position:absolute;height:2px;width:22px;background:currentColor;border-radius:2px;left:0}
.hamburger::before{top:-6px}
.hamburger::after{top:6px}

/* hero */
.hero{
  padding-top:120px;
  padding-bottom:64px;
  position:relative;
  z-index:2;
}
.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:36px;align-items:center}
.kicker{color:var(--muted);margin:6px 0 18px}
.hero-left h1{font-size:clamp(28px,4vw,44px);margin:0 0 12px;line-height:1.02;letter-spacing:-0.01em}
.lead{color:var(--text);opacity:0.92}
.cta-row{display:flex;gap:12px;margin-top:20px}

/* hero stats */
.hero-stats{display:flex;gap:20px;margin-top:22px;list-style:none;padding:0;color:var(--muted)}
.hero-stats li strong{display:block;color:var(--text);font-weight:700}

/* hero right */
.card-3d{
  transform:translateY(-6px);
  padding:22px;border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  backdrop-filter:blur(8px);
  box-shadow: 0 12px 30px var(--shadow);
  border:1px solid rgba(106,92,255,0.06);
}
html[data-theme="light"] .card-3d{
  background: linear-gradient(180deg, rgba(2,6,20,0.01), rgba(2,6,20,0.00));
  border:1px solid rgba(7,18,42,0.04);
}
.card-inner{display:flex;flex-direction:column;gap:14px}
.robot-svg{width:100%;height:240px;border-radius:12px;overflow:hidden;display:block}
.card-info h3{margin:0;font-size:18px;color:var(--text)}
.chip-row{display:flex;gap:8px;margin-top:8px}
.chip{background:linear-gradient(90deg,var(--accent1),var(--accent2));color:#fff;padding:6px 8px;border-radius:8px;font-weight:700;font-size:13px}

/* sections */
.section{padding:64px 0}
.section-header{margin-bottom:28px}
.section-header h2{font-size:22px;margin:0;color:var(--text)}
.section-header p{color:var(--muted);margin:6px 0 0}

/* grids */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.feature{padding:20px;border-radius:12px;background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.006));border:1px solid var(--subtle)}
html[data-theme="light"] .feature{background:var(--card)}
.feature .icon{width:40px;height:40px;color:var(--accent2);opacity:0.95}
.feature h3{margin:12px 0 8px}

/* platform */
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.mock-window{border-radius:12px;overflow:hidden;box-shadow:0 18px 40px var(--shadow)}
.mw-top{height:28px;background:linear-gradient(90deg,rgba(255,255,255,0.02),transparent);display:flex;align-items:center;padding:6px 10px;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot.red{background:#ff6b6b}.dot.yellow{background:#ffd56b}.dot.green{background:#7df07d}
.mw-body{padding:18px;background:linear-gradient(180deg, rgba(5,8,20,0.8), rgba(10,14,28,0.8))}

/* list-check */
.list-check{list-style:none;padding:0;margin:14px 0}
.list-check li{padding:10px 0;border-top:1px dashed var(--subtle);color:var(--muted)}

/* case */
.case{display:flex;background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.008));border-radius:12px;padding:14px;gap:12px}
html[data-theme="light"] .case{background:var(--card)}
.case-media{width:40%}
.case-body h3{margin:6px 0;color:var(--text)}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.person{background:var(--card);padding:16px;border-radius:12px;text-align:center;box-shadow:0 6px 20px var(--shadow);border:1px solid var(--subtle)}
.person .avatar{height:88px;width:88px;margin:0 auto 12px;border-radius:12px;overflow:hidden}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 460px;gap:28px;align-items:start}
.contact-form{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:18px;border-radius:12px;border:1px solid var(--subtle)}
html[data-theme="light"] .contact-form{background:var(--card)}
.contact-form label{display:block;margin-bottom:12px;color:var(--muted)}
.contact-form input, .contact-form textarea{
  width:100%;
  padding:10px 12px;border-radius:8px;border:1px solid rgba(7,18,42,0.06);
  background:rgba(10,14,24,0.06);color:var(--text);font-size:15px;
}
html[data-theme="light"] .contact-form input, html[data-theme="light"] .contact-form textarea{
  background:rgba(7,18,42,0.02);
}
.form-row{display:flex;gap:10px;align-items:center;margin-top:8px}
.form-msg{margin-top:10px;color:#9ef0c9}

/* ------------- FOOTER (new) ------------- */
.site-footer-extended{
  margin-top:40px;
  border-top:1px solid var(--footer-border);
  background: var(--footer-bg);
  color:var(--text);
  z-index:2;
  position:relative;
  padding-top:40px;
  padding-bottom:18px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap:28px;
  align-items:start;
  padding-bottom:22px;
}
.footer-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-weight:700}
.footer-brand strong{color:var(--accent2)}
.footer-grid .muted{color:var(--muted);margin-top:8px;max-width:44ch}

.newsletter h4{margin:12px 0 6px}
.newsletter p{margin:0 0 10px}

.newsletter-row{
  display:flex;
  gap:8px;
  align-items:center;
}
.newsletter-row input[type="email"]{
  flex:1;
  padding:10px 12px;border-radius:8px;border:1px solid var(--subtle);
  background:transparent;color:var(--text);
}
.newsletter-row .btn{padding:10px 12px;border-radius:8px}

/* links */
.col.links h4{margin:0 0 10px;color:var(--text)}
.col.links ul{list-style:none;padding:0;margin:0}
.col.links ul li{margin:8px 0}
.col.links a{color:var(--muted);text-decoration:none}
.col.links a:hover{color:var(--accent2);text-decoration:underline}



/* Premium cards component */
.premium-cards { padding: 48px 0; }
.pc-header h2 { font-size: 22px; margin: 0 0 6px; color: var(--text); }
.pc-header .muted { margin: 0 0 18px; color: var(--muted); }

/* grid: 3 cols on desktop, auto-fit on smaller viewports */
.pc-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

/* single card */
.pc-card {
  background: linear-gradient(180deg, rgba(167, 73, 73, 0.02), rgba(255,255,255,0.008));
  border: 1px solid rgba(65, 50, 50, 0.03);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 260ms cubic-bezier(.2,.9,.2,1), box-shadow 260ms;
  box-shadow: 0 8px 22px rgba(2,6,20,0.45);
  cursor: default;
  outline: none;
}

/* theme-aware fallback (use your variables) */
html[data-theme="light"] .pc-card {
  background: var(--card);
  border: 1px solid rgba(7,18,42,0.04);
  box-shadow: 0 6px 18px rgba(10,16,30,0.06);
}

/* hover / focus */
.pc-card:hover, .pc-card:focus {
  transform: translateY(-8px);
  box-shadow: 0 18px 48px rgba(10,20,60,0.26);
}

/* inner layout */
.pc-card-inner { display:flex; gap:14px; align-items:flex-start; }
.pc-media { flex: 0 0 56px; display:flex; align-items:center; justify-content:center; }
.pc-icon { width:56px; height:56px; border-radius:10px; }

/* body content */
.pc-body { flex: 1 1 auto; min-width:0; }
.pc-title { margin:0 0 6px; font-size:16px; color:var(--text); }
.pc-deck { margin:0 0 12px; color:var(--muted); font-size:14px; line-height:1.35; }

/* chips */
.pc-meta { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:12px; }
.pc-chip {
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  color: #021;
  font-weight:700;
  font-size:12px;
  padding:6px 8px;
  border-radius:8px;
}

/* actions row */
.pc-actions { display:flex; gap:10px; align-items:center; }
.pc-btn-primary { padding:8px 12px; font-size:14px; border-radius:8px; }
.pc-btn-ghost { background:transparent; border:1px solid rgba(255,255,255,0.04); color:var(--muted); padding:8px 10px; border-radius:8px; }

/* details panel */
.pc-detail {
  margin-top:12px;
  padding:12px;
  border-radius:10px;
  background: linear-gradient(180deg, rgba(233, 103, 103, 0.012), rgba(255,255,255,0.006));
  border: 1px dashed rgba(255,255,255,0.02);
  color: var(--muted);
  font-size:14px;
  display: none;
}

/* expanded state */
.pc-card.is-expanded { border-color: rgba(106,92,255,0.12); }
.pc-card.is-expanded .pc-detail { display:block; }

/* responsive: 2 cols on medium, 1 col on small */
@media (max-width:1000px) {
  .pc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width:680px) {
  .pc-grid { grid-template-columns: 1fr; }
  .pc-card-inner { flex-direction: row; gap:12px; }
  .pc-media { flex: 0 0 48px; }
}


/* Tech / partners strip */
.tech-strip { padding: 26px 0; }
.tech-wrap {
  display:flex; gap:12px; align-items:center; justify-content:flex-start; flex-wrap:wrap;
  padding:10px 6px;
  background: linear-gradient(90deg, rgba(255,255,255,0.01), rgba(255,255,255,0.006));
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.02);
}
html[data-theme="light"] .tech-wrap { background: var(--card); border:1px solid rgba(7,18,42,0.04); }

.tech-chip {
  display:flex; align-items:center; justify-content:center; gap:8px;
  padding:8px 12px; border-radius:10px; cursor:pointer; transition: transform 180ms, box-shadow 180ms;
  background:transparent; border:1px solid transparent;
}
.tech-chip img { height:100px; width:100; display:block; filter:grayscale(40%); opacity:0.9; }

.tech-chip:hover, .tech-chip:focus {
  transform:translateY(-6px) scale(1.02);
  box-shadow: 0 10px 26px rgba(106,92,255,0.08);
  border-color: rgba(106,92,255,0.12);
  outline:none;
}
html[data-theme="light"] .tech-chip:hover, html[data-theme="light"] .tech-chip:focus {
  box-shadow: 0 8px 20px rgba(11,20,50,0.06);
  border-color: rgba(7,18,42,0.06);
}



/* Feature Comparison Matrix */
.fc-section { padding: 40px 0; }
.fc-header h2 { font-size:20px; margin:0; color:var(--text); }
.fc-header .muted { margin:6px 0 18px; color:var(--muted); }

/* grid behaves like table for accessibility but is CSS grid for layout */
.fc-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr repeat(3, 1fr);
  align-items: stretch;
  border-radius: 12px;
}

/* column headers (tiers) */
.fc-col {
  padding: 18px 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.008));
  border: 1px solid rgba(255,255,255,0.03);
  text-align: center;
  border-radius: 10px;
}
html[data-theme="light"] .fc-col { background: var(--card); border: 1px solid rgba(7,18,42,0.04); }

.fc-col-head { background: transparent; border: none; text-align:left; padding-left:6px; }

/* tier title/sub */
.tier-title { font-weight:700; font-size:16px; color:var(--text); margin-bottom:6px; }
.tier-sub { font-size:13px; color:var(--muted); margin-bottom:10px; }
.tier-cta .fc-cta { width:100%; }

/* featured tier styling */
.fc-col.featured {
  background: linear-gradient(180deg, rgba(106,92,255,0.12), rgba(106,92,255,0.06));
  border: 1px solid rgba(106,92,255,0.18);
}
html[data-theme="light"] .fc-col.featured {
  background: linear-gradient(180deg, rgba(106,92,255,0.10), rgba(106,92,255,0.04));
}

/* rows & cells */
.fc-row.fc-feature { padding: 12px 8px; display:flex; align-items:center; background:transparent; }
.fc-feature-name { font-weight:600; color:var(--muted); padding-left:6px; }

.fc-cell {
  padding: 12px;
  text-align:center;
  border-radius:8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.006));
  border: 1px solid rgba(255,255,255,0.02);
  color:var(--muted);
}
html[data-theme="light"] .fc-cell { background: var(--card); border: 1px solid rgba(7,18,42,0.04); }

/* small badges for checkmarks */
.fc-cell:empty { opacity: 0.6; }

/* responsive */
@media (max-width:980px) {
  .fc-grid { grid-template-columns: 1fr 1fr; }
  .fc-col:nth-child(n+3) { grid-column: span 1; }
  /* collapse to stacked cards: show the feature name above each cell on narrow screens */
  .fc-row.fc-feature { display:block; padding:8px 0; }
}
@media (max-width:640px) {
  .fc-grid { grid-template-columns: 1fr; }
  .fc-col, .fc-cell { text-align:left; }
}


/* Testimonial Carousel */
.tc-section { padding: 40px 0; }
.tc-header h2 { font-size:20px; margin:0 0 8px; color:var(--text); }

.tc-wrap { display:flex; align-items:center; gap:12px; position:relative; }
.tc-nav {
  background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted);
  width:44px;height:44px;border-radius:10px;cursor:pointer;font-size:20px;
}
html[data-theme="light"] .tc-nav { border-color: rgba(7,18,42,0.06); color:var(--control-color); }

.tc-track { overflow:hidden; flex:1; }
.tc-track .tc-item {
  min-height:120px;
  padding:20px;
  border-radius:12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.008));
  border:1px solid rgba(255,255,255,0.02);
  color:var(--muted);
  transform: translateX(0);
  transition: transform 380ms cubic-bezier(.2,.9,.2,1), opacity 300ms;
  opacity:0;
  display:none;
}
.tc-item.active { display:block; opacity:1; }

.tc-cite { display:block; margin-top:10px; font-weight:700; color:var(--text); }

/* dots */
.tc-dots { margin-top:12px; display:flex; gap:8px; }
.tc-dot {
  width:12px;height:12px;border-radius:50%;border:1px solid rgba(255,255,255,0.06); background:transparent; cursor:pointer;
}
.tc-dot[aria-selected="true"] { background:linear-gradient(90deg,var(--accent1),var(--accent2)); border:none; }

/* responsive */
@media (max-width:640px){
  .tc-wrap { flex-direction:column; align-items:stretch; }
  .tc-nav { width:36px;height:36px;font-size:18px; }
  .tc-track .tc-item { padding:16px; }
}



/* bottom row */
.footer-bottom{
  border-top:1px solid var(--footer-border);
  padding-top:12px;
  padding-bottom:12px;
  margin-top:8px;
  background:transparent;
}
.footer-bottom-inner{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.footer-bottom .copy{color:var(--muted);font-size:14px}
.footer-bottom .right{display:flex;align-items:center;gap:18px}
.footer-legal a.small{color:var(--muted);font-size:14px;margin-right:12px;text-decoration:none}
.footer-legal a.small:hover{color:var(--accent2)}
.socials a.s{color:var(--muted);text-decoration:none;margin-left:8px;font-weight:600}
.socials a.s:hover{color:var(--accent1)}

/* helper classes */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.small{font-size:13px}
.muted{color:var(--muted)}
.center{display:flex;align-items:center;justify-content:center}

/* responsive */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr 360px}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns: 1fr 1fr; gap:20px}
}
@media (max-width:760px){
  .header-inner{height:64px}
  .main-nav{display:none}
  .nav-toggle{display:inline-block}
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .platform-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:18px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
}

/* small micro-animations */
a.link-more{color:var(--muted);text-decoration:none;font-weight:700}
a.link-more:hover{color:var(--accent2)}
.card-3d{transition:transform 400ms cubic-bezier(.2,.9,.2,1)}
.card-3d:hover{transform:translateY(-8px) rotateX(3deg)}

/* subtle theme transition on critical elements */
:root, html[data-theme] * {
  transition: background-color 260ms ease, color 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}