:root {
  color-scheme: dark;
  --bg: #05080d;
  --panel: #0a0f16;
  --line: rgba(255,255,255,.12);
  --text: #f6f8fb;
  --muted: #9ba9b8;
  --green: #6cff3c;
  --surface: #0a0f16;
  --max: 1460px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(84,62,255,.09), transparent 28rem),
    radial-gradient(circle at 10% 35%, rgba(24,185,255,.07), transparent 26rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}
body::before { content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.34; background:linear-gradient(118deg,transparent 0 64%,rgba(108,255,60,.08) 64.1% 64.35%,transparent 64.45%),linear-gradient(62deg,transparent 0 72%,rgba(69,168,255,.075) 72.1% 72.3%,transparent 72.4%),linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:auto,auto,48px 48px,48px 48px;}

a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; padding: .8rem 1rem; background: #fff; color: #000; }
.skip-link:focus { top: 1rem; }

.site-header {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-size: 1.08rem; font-weight: 900; letter-spacing: .13em; }
.brand > span:last-child > span { color: var(--green); }
.aiotec-logo-mark { width:32px; height:32px; overflow:visible; fill:var(--green); filter:drop-shadow(0 0 8px rgba(108,255,60,.32)); }
.aiotec-logo-mark .logo-cut { fill:var(--bg); }
.aiotec-wordmark { color:var(--text); }
.logo-tm { margin-left:2px; color:var(--green); font-size:.42em; vertical-align:top; letter-spacing:0; }
.site-header nav, footer nav { display: flex; align-items: center; gap: 1.7rem; }
.site-header nav a, footer nav a { color: #b6c0cb; text-decoration: none; font-size: .82rem; font-weight: 700; letter-spacing: .06em; }
.site-header nav a:hover, footer nav a:hover { color: #fff; }
.theme-toggle { display:inline-flex; align-items:center; gap:.45rem; min-height:36px; padding:.45rem .7rem; border:1px solid var(--line); border-radius:999px; color:var(--text); background:var(--surface); font:800 .72rem/1 inherit; cursor:pointer; }
.theme-toggle:hover { border-color:var(--green); }

main { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
.hero { min-height: 590px; position: relative; display: flex; flex-direction: column; justify-content: center; padding: 80px 0 90px; overflow: hidden; isolation:isolate; }
.hero > :not(.energy-lattice) { position:relative; z-index:2; }
.eyebrow { margin: 0 0 1.3rem; color: #a9b7c5; font-size: .72rem; font-weight: 850; letter-spacing: .19em; }
.eyebrow span { display: inline-block; width: 26px; height: 2px; vertical-align: middle; margin-right: .65rem; background: var(--green); box-shadow: 0 0 14px rgba(108,255,60,.55); }
.typing-headline { width:min(100%,1050px); min-height:1.92em; margin:0; color:var(--text); font-size:clamp(3.6rem,6.35vw,6.6rem); line-height:.92; letter-spacing:-.065em; font-weight:900; }
.typing-line { display:block; min-height:.96em; white-space:nowrap; }
.typing-cursor { display:none; width:.085em; height:.78em; margin-left:.09em; vertical-align:-.04em; background:var(--green); box-shadow:0 0 18px rgba(108,255,60,.68); animation:heroCursorBlink .9s steps(1,end) infinite; }
.typing-cursor.is-active { display:inline-block; }
@keyframes heroCursorBlink { 50% { opacity:0; } }
.hero-copy { max-width: 700px; margin: 2.2rem 0 0; color: #aab5c1; font-size: clamp(1rem, 1.7vw, 1.18rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; gap: .7rem; padding: .9rem 1.1rem; border: 1px solid var(--line); text-decoration: none; font-size: .84rem; font-weight: 800; }
.button-primary { background: var(--green); color: #041005; border-color: var(--green); }
.button-app { color:#061018; border-color:#37dcff; background:#37dcff; box-shadow:0 0 22px rgba(55,220,255,.14); }
.button-store { color:#07120f; border-color:#42dfcd; background:#42dfcd; box-shadow:0 0 22px rgba(66,223,205,.14); }
.button:hover { transform: translateY(-2px); }
.energy-lattice { position:absolute; z-index:1; right:-1%; top:50%; width:520px; height:520px; transform:translateY(-50%); pointer-events:none; opacity:.92; -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22%,#000 100%); mask-image:linear-gradient(90deg,transparent 0,#000 22%,#000 100%); }
.energy-lattice::before { content:""; position:absolute; inset:8%; background:radial-gradient(circle at 54% 48%,rgba(108,255,60,.12),transparent 13rem),linear-gradient(rgba(69,168,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(69,168,255,.055) 1px,transparent 1px); background-size:auto,34px 34px,34px 34px; transform:perspective(500px) rotateY(-12deg) rotateZ(-2deg); }
.energy-beam { position:absolute; left:54%; top:-18%; width:2px; height:138%; opacity:.28; background:linear-gradient(transparent,#45a8ff,transparent); box-shadow:0 0 18px #45a8ff; transform:rotate(-29deg); animation:beamDrift 6s ease-in-out infinite alternate; }
.energy-beam.beam-two { left:67%; background:linear-gradient(transparent,#756cff,transparent); box-shadow:0 0 18px #756cff; transform:rotate(27deg); animation-delay:-2s; }
.energy-beam.beam-three { left:76%; opacity:.17; transform:rotate(-18deg); animation-delay:-4s; }
.energy-orbit { position:absolute; left:59%; top:49%; width:250px; height:250px; border:1px solid rgba(69,168,255,.13); border-radius:50%; transform:translate(-50%,-50%); animation:orbitPulse 4.6s ease-in-out infinite; }
.energy-orbit.orbit-two { width:350px; height:350px; border-color:rgba(117,108,255,.12); animation-delay:-2.3s; }
.energy-bolt { position:absolute; left:59%; top:49%; width:132px; height:230px; transform:translate(-50%,-50%); background:linear-gradient(155deg,#6cff3c 0%,#37dcff 48%,#756cff 100%); clip-path:polygon(57% 0,5% 58%,43% 58%,30% 100%,95% 41%,58% 41%); filter:drop-shadow(0 0 20px rgba(55,220,255,.55)); animation:boltBreathe 3s ease-in-out infinite; }
.energy-bolt::after { content:""; position:absolute; inset:9px; background:var(--bg); clip-path:inherit; }
.energy-spark { position:absolute; width:7px; height:7px; border-radius:50%; background:var(--green); box-shadow:0 0 14px var(--green); animation:sparkBlink 3.4s ease-in-out infinite; }
.spark-one { left:27%; top:25%; }.spark-two { left:82%; top:31%; animation-delay:-1.1s; }.spark-three { left:76%; top:76%; animation-delay:-2.2s; }
.energy-packet { position:absolute; left:21%; right:5%; height:1px; opacity:.35; background:linear-gradient(90deg,transparent,#37dcff,transparent); animation:packetFlow 3.8s ease-in-out infinite; }
.packet-one { top:30%; }.packet-two { top:50%; animation-delay:-1.25s; }.packet-three { top:70%; animation-delay:-2.5s; }
@keyframes boltBreathe { 50% { transform:translate(-50%,-50%) scale(1.035); filter:drop-shadow(0 0 34px rgba(55,220,255,.72)); } }
@keyframes beamDrift { to { translate:32px 0; opacity:.42; } }
@keyframes orbitPulse { 50% { opacity:.35; scale:1.045; } }
@keyframes sparkBlink { 50% { opacity:.16; scale:.55; } }
@keyframes packetFlow { 0%,100% { opacity:.06; transform:translateX(-24px) scaleX(.25); } 50% { opacity:.6; transform:translateX(24px) scaleX(1); } }

.platforms { padding: 80px 0 110px; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1.4fr .6fr; gap: 3rem; align-items: end; margin-bottom: 2.5rem; }
.section-heading h2 { max-width: 870px; margin: 0; font-size: clamp(2.1rem, 4vw, 4.4rem); line-height: 1.02; letter-spacing: -.045em; }
.section-heading > p { max-width: 440px; margin: 0 0 .35rem; color: var(--muted); }

.card-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); grid-auto-rows:290px; gap:12px; }
.platform-card {
  --accent: #697fff;
  width:100%;
  height:100%;
  min-width:0;
  min-height:0;
  position: relative;
  display:grid;
  grid-template-rows:44px auto 3.9rem 1fr auto;
  align-items:start;
  row-gap:.55rem;
  overflow: hidden;
  padding:22px;
  border: 1px solid color-mix(in srgb, var(--accent) 43%, transparent);
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 14%, #080c12) 0%, #070b11 66%);
  text-decoration: none;
  isolation: isolate;
  transition: transform .2s ease, border-color .2s ease;
}
.platform-card::before { content: ""; position: absolute; width: 230px; height: 230px; right: -115px; top: -115px; z-index: -1; border-radius: 50%; background: var(--accent); filter: blur(85px); opacity: .22; }
.platform-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.platform-card:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.card-icon { width:44px; height:44px; display:grid; place-items:center; margin:0; border:1px solid color-mix(in srgb,var(--accent) 55%,transparent); color:var(--accent); background:color-mix(in srgb,var(--accent) 10%,transparent); font-size:1.15rem; }
.card-kicker { color: color-mix(in srgb, var(--accent) 72%, #fff); font-size: .67rem; font-weight: 850; letter-spacing: .14em; }
.platform-card strong { display:block; margin:0; font-size:clamp(1.35rem,1.8vw,1.9rem); line-height:1.03; letter-spacing:-.035em; }
.card-copy { max-width:35ch; margin:0; color:#aeb8c4; font-size:.84rem; }
.card-link { align-self:end; margin:0; color:#fff; font-size:.72rem; font-weight:850; letter-spacing:.06em; text-transform:uppercase; }
.card-link b { color: var(--accent); }
.portfolio { --accent: #45a8ff; }
.learn { --accent: #786cff; }
.applications { --accent: #23e6d2; }
.apricot { --accent: #ffa326; }
.research { --accent: #20d6b4; }
.command { --accent: #b45cff; }
.prompt-label .cursor { width:10px; height:1.05em; margin-right:.8rem; background:var(--green); vertical-align:-.15em; box-shadow:0 0 14px rgba(108,255,60,.7); animation:cursorBlink 1s steps(1,end) infinite; }
@keyframes cursorBlink { 50% { opacity:0; } }

.trust { padding: 80px 0 100px; border-top: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.trust-grid > div { min-height: 170px; padding: 28px; background: var(--panel); }
.trust-grid strong { display: block; font-size: 1.12rem; }
.trust-grid p { max-width: 36ch; color: var(--muted); font-size: .9rem; }

footer { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 42px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: auto 1fr auto; gap: 2rem; align-items: center; }
.footer-brand { font-size: .9rem; }
footer > p { color: var(--muted); font-size: .8rem; }
footer small { grid-column: 1 / -1; color: #74808c; font-size: .7rem; }

@media (max-width: 1050px) {
  .card-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .energy-lattice { right:-110px; opacity:.43; }
  .typing-headline { width:min(100%,880px); font-size:clamp(3.3rem,7.2vw,5.7rem); }
}

@media (max-width: 720px) {
  .site-header, main, footer { width: min(calc(100% - 28px), var(--max)); }
  .site-header { height: 74px; }
  .site-header nav a:not(:last-child) { display: none; }
  .hero { min-height: 550px; padding: 60px 0; }
  .typing-headline { width:100%; min-height:2.05em; font-size:clamp(2rem,9vw,3.3rem); line-height:.98; letter-spacing:-.05em; }
  .typing-headline.is-medium { font-size:clamp(1.7rem,7.4vw,2.9rem); }
  .typing-headline.is-long { font-size:clamp(1.35rem,6.5vw,2.6rem); }
  .typing-line { min-height:1.02em; }
  .typing-cursor { width:.1em; height:.76em; }
  .energy-lattice { width:400px; height:400px; right:-130px; top:45%; opacity:.32; }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; }
  .card-grid { grid-template-columns:1fr; grid-auto-rows:280px; }
  .trust-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; }
  footer nav { flex-wrap: wrap; gap: 1rem 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .platform-card, .button { transition: none; }
  .energy-lattice * { animation:none !important; }
  .typing-cursor { display:none !important; animation:none; }
}

html[data-theme="light"] { color-scheme:light; --bg:#eef3f8; --panel:#fff; --surface:#fff; --line:rgba(5,18,32,.14); --text:#07111d; --muted:#536477; }
html[data-theme="light"] body { background:radial-gradient(circle at 90% 10%,rgba(84,62,255,.08),transparent 28rem),radial-gradient(circle at 10% 35%,rgba(24,185,255,.08),transparent 26rem),var(--bg); }
html[data-theme="light"] .platform-card { background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 8%,#fff),#fff 72%); }
html[data-theme="light"] .card-copy,html[data-theme="light"] .section-heading>p,html[data-theme="light"] .hero-copy { color:#4f6173; }
html[data-theme="light"] .card-link { color:#07111d; }