/* ============================================================
   ARETAS SENSOR NETWORKS — 2026
   Dark futuristic / neon design system
   ============================================================ */

:root{
  --bg:        #05080f;
  --bg-2:      #0a0f1c;
  --surface:   rgba(255,255,255,.045);
  --surface-2: rgba(255,255,255,.07);
  --stroke:    rgba(255,255,255,.10);
  --stroke-2:  rgba(255,255,255,.18);

  --teal:  #19c3ea;
  --teal-d:#0e86c7;
  --lime:  #9ede3f;
  --lime-d:#8dc63f;
  --violet:#7c5cff;

  --text:  #eaf1fb;
  --muted: #93a3ba;
  --dim:   #64748b;

  --grad: linear-gradient(100deg, var(--teal) 0%, #4fd6c0 40%, var(--lime) 100%);
  --grad-soft: linear-gradient(120deg, rgba(25,195,234,.18), rgba(158,222,63,.14));

  --r-sm: 12px;
  --r:    18px;
  --r-lg: 26px;
  --shadow: 0 30px 80px -30px rgba(0,0,0,.8);
  --glow-teal: 0 0 40px -6px rgba(25,195,234,.55);
  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* ambient page background */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(25,195,234,.12), transparent 60%),
    radial-gradient(55% 45% at 90% 10%, rgba(158,222,63,.10), transparent 60%),
    radial-gradient(70% 60% at 50% 120%, rgba(124,92,255,.10), transparent 60%),
    var(--bg);
}
body::after{ /* subtle grid */
  content:"";position:fixed;inset:0;z-index:-2;opacity:.35;pointer-events:none;
  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:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%, #000 20%, transparent 75%);
}

h1,h2,h3,h4{font-family:"Space Grotesk",sans-serif;font-weight:600;line-height:1.08;letter-spacing:-.02em;margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
strong{color:#fff;font-weight:600}

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

section{padding:clamp(70px,9vw,130px) clamp(20px,5vw,40px);position:relative}
.section-head{max-width:760px;margin:0 auto clamp(40px,6vw,72px);text-align:center}
.section-head h2{font-size:clamp(2rem,4.6vw,3.5rem);margin:.2em 0 .4em}
.section-head p{color:var(--muted);font-size:clamp(1rem,1.4vw,1.18rem);margin:0 auto;max-width:640px}
.kicker,.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Space Grotesk";font-size:.78rem;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--teal);
}
.kicker{padding:6px 14px;border:1px solid var(--stroke);border-radius:999px;background:var(--surface)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.4em;
  font-family:"Space Grotesk";font-weight:600;font-size:.95rem;
  padding:.7em 1.3em;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s,background .25s,filter .25s;
  white-space:nowrap;
}
.btn-lg{padding:.9em 1.7em;font-size:1.02rem}
.btn-primary{
  color:#04121a;background:var(--grad);
  box-shadow:0 10px 30px -10px rgba(25,195,234,.6), inset 0 0 0 1px rgba(255,255,255,.2);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 44px -12px rgba(25,195,234,.75)}
.btn-ghost{color:var(--text);background:var(--surface);border-color:var(--stroke-2)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px);border-color:var(--teal)}
.link-ghost{color:var(--muted);font-family:"Space Grotesk";font-size:.9rem;font-weight:500}
.link-ghost:hover{color:var(--teal)}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;gap:24px;
  padding:16px clamp(20px,5vw,40px);
  transition:background .35s,backdrop-filter .35s,border-color .35s,padding .35s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(6,9,16,.72);backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--stroke);padding-top:11px;padding-bottom:11px;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{display:grid;place-items:center;filter:drop-shadow(0 0 12px rgba(25,195,234,.45))}
.mark-arc{transform-origin:50% 50%;animation:spin 6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.brand-word{display:flex;flex-direction:column;line-height:1}
.brand-word b{font-family:"Space Grotesk";font-size:1.35rem;font-weight:700;letter-spacing:-.01em}
.brand-word em{font-style:normal;font-size:.6rem;letter-spacing:.34em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{font-size:.95rem;color:var(--muted);font-weight:500;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--grad);transition:right .3s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{right:0}
.nav-cta{display:flex;align-items:center;gap:16px}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0 0 auto 0;top:0;z-index:99;
  display:flex;flex-direction:column;gap:6px;padding:90px 24px 28px;
  background:rgba(6,9,16,.96);backdrop-filter:blur(20px);
  transform:translateY(-105%);transition:transform .4s var(--ease);
  border-bottom:1px solid var(--stroke);
}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{padding:14px 8px;font-family:"Space Grotesk";font-size:1.2rem;border-bottom:1px solid var(--stroke)}
.mobile-menu .btn{margin-top:14px;justify-content:center;border-bottom:0}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding-top:120px;padding-bottom:70px;overflow:hidden;
}
.hero-canvas{position:absolute;inset:0;z-index:0;width:100%;height:100%}
.hero-glow{
  position:absolute;z-index:0;width:900px;height:900px;left:-200px;top:-260px;pointer-events:none;
  background:radial-gradient(circle, rgba(25,195,234,.22), transparent 62%);filter:blur(20px);
}
.hero-inner{
  position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero-inner>*{min-width:0}
.hero-copy .eyebrow{max-width:100%;flex-wrap:wrap}
.hero-copy .eyebrow{margin-bottom:22px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime);animation:blink 2.4s ease-in-out infinite}
@keyframes blink{50%{opacity:.35}}
.hero h1{font-size:clamp(2.9rem,7vw,5.4rem);font-weight:700;margin-bottom:.35em}
.hero-sub{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--muted);max-width:520px;margin:0 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badges span{
  font-size:.8rem;color:var(--muted);padding:6px 12px;border:1px solid var(--stroke);
  border-radius:999px;background:var(--surface);
}
.hero-badges .badge-new{
  color:#dff5c0;border-color:rgba(158,222,63,.45);
  background:linear-gradient(120deg,rgba(158,222,63,.14),rgba(25,195,234,.10));
  box-shadow:0 0 18px -6px rgba(158,222,63,.5);
}

.hero-visual{position:relative;display:grid;place-items:center;min-height:440px}
.device-halo{
  position:absolute;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle, rgba(25,195,234,.35), rgba(158,222,63,.12) 45%, transparent 68%);
  filter:blur(8px);animation:breathe 6s ease-in-out infinite;
}
@keyframes breathe{0%,100%{transform:scale(.92);opacity:.7}50%{transform:scale(1.04);opacity:1}}
.hero-device{
  position:relative;width:min(72%,420px);filter:drop-shadow(0 40px 60px rgba(0,0,0,.6));
  animation:float 7s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(-10px)}50%{transform:translateY(12px)}}

.live-card{
  position:absolute;right:-6px;bottom:8px;width:290px;
  background:linear-gradient(160deg,rgba(16,24,40,.82),rgba(10,15,28,.72));
  border:1px solid var(--stroke-2);border-radius:var(--r);
  padding:16px 16px 12px;backdrop-filter:blur(16px);
  box-shadow:var(--shadow);animation:float 7s ease-in-out infinite .4s;
}
.live-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.live-loc{font-size:.72rem;color:var(--muted)}
.live-tag{font-size:.62rem;font-weight:700;letter-spacing:.14em;color:#04121a;background:var(--lime);padding:2px 7px;border-radius:5px}
.live-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.live-metric{background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r-sm);padding:9px 11px;display:flex;flex-direction:column}
.lm-label{font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.lm-val{font-family:"Space Grotesk";font-size:1.5rem;font-weight:600;line-height:1.1;color:var(--teal)}
.lm-unit{font-size:.66rem;color:var(--muted)}
.live-spark{width:100%;height:52px;margin-top:12px;display:block}
.live-foot{display:flex;align-items:center;gap:7px;font-size:.68rem;color:var(--muted);margin-top:4px}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 0 rgba(158,222,63,.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(158,222,63,.5)}70%{box-shadow:0 0 0 9px rgba(158,222,63,0)}100%{box-shadow:0 0 0 0 rgba(158,222,63,0)}}

.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:24px;height:40px;border:2px solid var(--stroke-2);border-radius:14px;z-index:2}
.scroll-cue span{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:4px;height:8px;background:var(--teal);border-radius:2px;animation:scrolldot 1.8s infinite}
@keyframes scrolldot{0%{opacity:0;top:8px}40%{opacity:1}80%{opacity:0;top:22px}}

/* ============================================================
   TRUST / STATS
   ============================================================ */
.trust{text-align:center;padding-top:60px}
.trust-lead{color:var(--muted);font-size:.95rem;margin:0 0 20px}
.trust-verticals{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 30px;margin-bottom:60px}
.trust-verticals span{font-family:"Space Grotesk";font-weight:600;color:#c9d6e8;opacity:.65;font-size:1.05rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:var(--maxw);margin:0 auto}
.stat{padding:26px 18px;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r)}
.stat b{display:block;font-family:"Space Grotesk";font-size:clamp(2rem,4vw,3rem);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.9rem}

/* ============================================================
   DEVICE / ORBIT
   ============================================================ */
.orbit-wrap{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.orbit-stage{position:relative;aspect-ratio:1;max-width:520px;margin:0 auto;width:100%;display:grid;place-items:center}
.orbit-ring{position:absolute;border-radius:50%;border:1px solid var(--stroke)}
.ring1{width:60%;height:60%;border-color:rgba(25,195,234,.25)}
.ring2{width:82%;height:82%;border-style:dashed;animation:spin 40s linear infinite}
.ring3{width:100%;height:100%;border-color:rgba(158,222,63,.15)}
.orbit-core{width:52%;display:grid;place-items:center;filter:drop-shadow(0 20px 40px rgba(0,0,0,.6));z-index:2}
.orbit-core img{animation:breathe 8s ease-in-out infinite}
.chip{
  position:absolute;font-family:"Space Grotesk";font-size:.76rem;font-weight:600;
  padding:7px 12px;border-radius:999px;white-space:nowrap;
  background:linear-gradient(160deg,rgba(16,24,40,.9),rgba(10,15,28,.8));
  border:1px solid var(--stroke-2);backdrop-filter:blur(8px);
  box-shadow:0 8px 20px -8px rgba(0,0,0,.6);z-index:3;
  animation:floatchip 6s ease-in-out infinite;
}
.chip::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:7px;vertical-align:middle;box-shadow:0 0 8px var(--teal)}
@keyframes floatchip{0%,100%{transform:translateY(-4px)}50%{transform:translateY(5px)}}
.c1{top:2%;left:34%}          .c2{top:8%;right:6%}
.c3{top:32%;right:-6%}        .c4{top:58%;right:-4%}
.c5{bottom:6%;right:16%}      .c6{bottom:-2%;left:38%}
.c7{bottom:10%;left:-6%}      .c8{top:52%;left:-8%}
.c9{top:26%;left:-6%}         .c10{top:6%;left:6%}
.chip:nth-child(even){animation-delay:1.2s}
.chip:nth-child(3n){animation-delay:.6s}

.device-points{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.device-points li{padding-left:0;position:relative}
.device-points b{display:block;font-family:"Space Grotesk";font-size:1.12rem;color:#fff;margin-bottom:3px}
.device-points li{color:var(--muted);padding:16px 18px;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r);border-left:3px solid transparent;background-clip:padding-box;transition:border-color .3s,transform .3s}
.device-points li:hover{transform:translateX(4px);border-left-color:var(--lime)}

/* ============================================================
   PILLARS
   ============================================================ */
.pillars{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-top:0}
.pillar{padding:34px 28px;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r-lg);position:relative;overflow:hidden;transition:transform .35s var(--ease),border-color .35s}
.pillar::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .35s}
.pillar:hover{transform:translateY(-6px);border-color:var(--stroke-2)}
.pillar:hover::before{opacity:1}
.pillar>*{position:relative}
.pillar h3{font-size:1.35rem;margin:18px 0 10px}
.pillar p{color:var(--muted);font-size:.98rem;margin:0}
.pill-ic{width:54px;height:54px;border-radius:14px;background:var(--grad-soft);border:1px solid var(--stroke-2);display:grid;place-items:center;position:relative}
.pill-ic::after{content:"";width:26px;height:26px;background:var(--grad);-webkit-mask:center/contain no-repeat;mask:center/contain no-repeat}
.ic-sensor::after{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3a9 9 0 100 18 9 9 0 000-18zm0 4a5 5 0 110 10 5 5 0 010-10zm0 3a2 2 0 100 4 2 2 0 000-4z' fill='%23000'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3a9 9 0 100 18 9 9 0 000-18zm0 4a5 5 0 110 10 5 5 0 010-10zm0 3a2 2 0 100 4 2 2 0 000-4z' fill='%23000'/%3E%3C/svg%3E")}
.ic-ai::after{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 2h6v3h3v3h3v6h-3v3h-3v3H9v-3H6v-3H3V8h3V5h3V2zm3 6a4 4 0 100 8 4 4 0 000-8z' fill='%23000'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 2h6v3h3v3h3v6h-3v3h-3v3H9v-3H6v-3H3V8h3V5h3V2zm3 6a4 4 0 100 8 4 4 0 000-8z' fill='%23000'/%3E%3C/svg%3E")}
.ic-value::after{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 13h4v8H3v-8zm7-6h4v14h-4V7zm7 3h4v11h-4V10z' fill='%23000'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 13h4v8H3v-8zm7-6h4v14h-4V7zm7 3h4v11h-4V10z' fill='%23000'/%3E%3C/svg%3E")}

/* ============================================================
   IEQ GRID
   ============================================================ */
.ieq-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ieq-card{padding:26px 24px;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r);transition:transform .3s,background .3s,border-color .3s}
.ieq-card:hover{transform:translateY(-5px);background:var(--surface-2);border-color:var(--teal)}
.ieq-ic{font-size:1.9rem;display:block;margin-bottom:12px}
.ieq-card b{font-family:"Space Grotesk";font-size:1.15rem}
.ieq-card p{color:var(--muted);font-size:.92rem;margin:6px 0 0}

/* ============================================================
   AI
   ============================================================ */
.ai-layout{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ai-features{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ai-feat{padding:18px;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r);position:relative;overflow:hidden}
.ai-feat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform .35s var(--ease)}
.ai-feat:hover::before{transform:scaleY(1)}
.ai-feat b{display:block;font-family:"Space Grotesk";font-size:1.02rem;margin-bottom:5px}
.ai-feat span{color:var(--muted);font-size:.86rem}
.ai-visual{display:grid;gap:18px}
.glass-frame{margin:0;border:1px solid var(--stroke-2);border-radius:var(--r);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.glass-frame img{width:100%}
.glass-frame figcaption{font-size:.8rem;color:var(--muted);padding:10px 14px;border-top:1px solid var(--stroke)}
.glass-frame.small{opacity:.9}

/* ============================================================
   PLATFORM GALLERY
   ============================================================ */
.gallery{max-width:1000px;margin:0 auto}
.gallery-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:22px}
.g-tab{font-family:"Space Grotesk";font-size:.88rem;font-weight:500;color:var(--muted);padding:9px 16px;border-radius:999px;border:1px solid var(--stroke);background:var(--surface);cursor:pointer;transition:.25s}
.g-tab:hover{color:var(--text);border-color:var(--stroke-2)}
.g-tab.is-active{color:#04121a;background:var(--grad);border-color:transparent;font-weight:600}
.browser{border:1px solid var(--stroke-2);border-radius:var(--r-lg);overflow:hidden;background:#0b1120;box-shadow:var(--shadow)}
.browser-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:rgba(255,255,255,.04);border-bottom:1px solid var(--stroke)}
.browser-bar span{width:11px;height:11px;border-radius:50%;background:#33405a}
.browser-bar span:nth-child(1){background:#ff5f57}.browser-bar span:nth-child(2){background:#febc2e}.browser-bar span:nth-child(3){background:#28c840}
.browser-bar em{margin-left:14px;font-style:normal;font-size:.8rem;color:var(--dim);background:rgba(255,255,255,.05);padding:3px 12px;border-radius:6px}
.browser-body{background:#05080f}
.browser-body img{width:100%;height:auto;display:block;transition:opacity .3s}
.g-caption{max-width:820px;margin:18px auto 0;text-align:center;color:var(--muted);font-size:.92rem;min-height:2.8em}

/* "New" pill — used on gallery tabs and AI feature cards */
.new-pill{
  display:inline-block;vertical-align:middle;margin-left:8px;
  font-family:"Space Grotesk";font-size:.6rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:#04121a;background:var(--lime);
  padding:2px 7px;border-radius:5px;box-shadow:0 0 14px -2px rgba(158,222,63,.7);
}
.g-tab.is-active .new-pill{background:#04121a;color:var(--lime);box-shadow:none}
.platform-feats{max-width:var(--maxw);margin:44px auto 0;list-style:none;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.platform-feats li{font-size:.9rem;color:var(--muted);padding:9px 16px;border:1px solid var(--stroke);border-radius:999px;background:var(--surface)}
.platform-feats li::before{content:"✓ ";color:var(--lime);font-weight:700}

/* ============================================================
   SENSOR LIBRARY
   ============================================================ */
.sensor-grid{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.sensor{
  font-family:"Space Grotesk";font-weight:500;font-size:1rem;color:#d5e2f2;
  padding:14px 22px;border-radius:14px;border:1px solid var(--stroke);
  background:var(--surface);position:relative;transition:transform .3s,border-color .3s,color .3s;cursor:default;
}
.sensor::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--lime);margin-right:9px;vertical-align:middle;box-shadow:0 0 8px var(--lime);opacity:.7}
.sensor:hover{transform:translateY(-4px);border-color:var(--teal);color:#fff;box-shadow:var(--glow-teal)}
.sensor-custom{text-align:center;color:var(--muted);max-width:760px;margin:34px auto 0;font-size:.92rem;line-height:2}

/* ============================================================
   INDUSTRIES
   ============================================================ */
.ind-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ind{padding:26px 22px;border:1px solid var(--stroke);border-radius:var(--r);background:var(--surface);transition:transform .3s,border-color .3s;position:relative;overflow:hidden}
.ind::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:var(--grad-soft);opacity:0;transition:opacity .35s}
.ind:hover{transform:translateY(-5px);border-color:var(--stroke-2)}
.ind:hover::after{opacity:1}
.ind h3{font-size:1.15rem;margin-bottom:8px;position:relative}
.ind p{color:var(--muted);font-size:.88rem;margin:0;position:relative}

/* ============================================================
   PROMISE
   ============================================================ */
.promise{display:grid;place-items:center}
.promise-inner{max-width:760px;text-align:center;padding:clamp(40px,6vw,64px);border-radius:var(--r-lg);border:1px solid var(--stroke-2);background:linear-gradient(140deg,rgba(25,195,234,.08),rgba(158,222,63,.06));position:relative;overflow:hidden}
.promise-inner::before{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(158,222,63,.2),transparent 65%);top:-160px;right:-120px;filter:blur(10px)}
.promise-inner h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin:.4em 0}
.promise-inner p{color:var(--muted);font-size:1.1rem;margin:0;position:relative}

/* ============================================================
   CTA
   ============================================================ */
.cta{padding-bottom:clamp(80px,10vw,140px)}
.cta-card{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:clamp(34px,5vw,58px);border-radius:var(--r-lg);border:1px solid var(--stroke-2);background:linear-gradient(150deg,rgba(16,24,40,.85),rgba(8,12,22,.75));box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta-card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.5;pointer-events:none}
.cta-copy,.cta-form{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(1.9rem,4vw,3rem)}
.cta-copy p{color:var(--muted);margin:.7em 0 1.4em;font-size:1.08rem}
.cta-contact{display:flex;flex-direction:column;gap:8px}
.cta-contact a{color:var(--teal);font-family:"Space Grotesk";font-weight:500}
.cta-contact a:hover{color:var(--lime)}
.cta-form{display:grid;gap:14px}
.cta-form label{display:grid;gap:6px;font-size:.82rem;color:var(--muted);font-weight:500}
.cta-form input,.cta-form select{
  font-family:inherit;font-size:.98rem;color:var(--text);
  padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--stroke-2);
  background:rgba(5,8,15,.6);transition:border-color .25s,box-shadow .25s;
}
.cta-form input:focus,.cta-form select:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px rgba(25,195,234,.2)}
.cta-form select option{background:#0b1120}
.cta-form .btn{justify-content:center;margin-top:4px}
.form-note{font-size:.85rem;color:var(--lime);min-height:1.2em;margin:0}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{border-top:1px solid var(--stroke);padding:60px clamp(20px,5vw,40px) 30px;background:linear-gradient(180deg,transparent,rgba(10,15,28,.6))}
.foot-top{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.3fr 2fr;gap:44px}
.foot-brand .brand{display:inline-flex}
.foot-tag{font-family:"Space Grotesk";font-weight:600;margin:16px 0 8px;font-size:1.05rem}
.foot-mission{color:var(--muted);font-size:.92rem;max-width:340px;margin:0}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot-cols h4{font-family:"Space Grotesk";font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.foot-cols a{display:block;color:var(--muted);font-size:.92rem;padding:5px 0;transition:color .2s}
.foot-cols a:hover{color:var(--teal)}
.foot-bottom{max-width:var(--maxw);margin:44px auto 0;padding-top:22px;border-top:1px solid var(--stroke);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--dim);font-size:.83rem}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}
.reveal:nth-child(5){transition-delay:.24s}
.reveal:nth-child(6){transition-delay:.30s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:20px}
  .hero-visual{order:-1;min-height:360px}
  .hero-copy{text-align:center;display:flex;flex-direction:column;align-items:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .orbit-wrap,.ai-layout{grid-template-columns:1fr;gap:48px}
  .ind-grid{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr}
}
@media(max-width:820px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .stats{grid-template-columns:repeat(2,1fr)}
  .pillars,.ieq-grid,.ai-features{grid-template-columns:1fr}
  .ai-features{grid-template-columns:1fr 1fr}
  .cta-card{grid-template-columns:1fr;gap:28px}
  .live-card{width:250px;right:-4px}
}
@media(max-width:520px){
  .ind-grid,.ai-features{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:1fr 1fr}
  .foot-bottom{flex-direction:column;gap:6px}
  .trust-verticals span{font-size:.9rem}
  .hero h1{font-size:2.6rem}
  .hero-copy .eyebrow{display:inline;line-height:1.9}
  .hero-copy .eyebrow .dot{display:inline-block;vertical-align:middle;margin-right:6px}
  .live-card{position:relative;right:auto;bottom:auto;margin:20px auto 0;width:100%;max-width:300px}
  .hero-visual{min-height:auto}
}

/* ============================================================
   PRODUCT PAGES — shared components
   Every page under /products/ uses these + the global system.
   Template: products/_template.html
   ============================================================ */

/* breadcrumbs */
.crumbs{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.82rem;color:var(--dim);margin-bottom:20px}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--teal)}
.crumbs .sep{opacity:.5}
.crumbs .here{color:var(--text)}

/* product hero = global hero, shorter & canvas-free */
.hero--product{min-height:auto;padding-top:150px;padding-bottom:clamp(50px,7vw,90px)}
.hero--product h1{font-size:clamp(2.5rem,5.6vw,4.3rem)}
.hero--product .hero-sub{max-width:560px}
.hero--product .hero-glow{width:760px;height:760px;top:-320px}

/* ppm / measurement scale */
.scale-wrap{max-width:840px;margin:clamp(48px,6vw,72px) auto 0;padding:34px 30px 22px;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r-lg)}
.scale-bar{position:relative;height:14px;border-radius:999px;margin-top:34px;
  background:linear-gradient(90deg,#9ede3f 0%,#c9dd45 30%,#ffd34e 55%,#ff9a57 80%,#ff5f57 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16), 0 6px 24px -10px rgba(255,120,80,.35)}
.scale-pin{position:absolute;bottom:calc(100% + 12px);transform:translateX(-50%);
  font-family:"Space Grotesk";font-weight:600;font-size:.82rem;color:#04121a;
  background:var(--grad);padding:6px 13px;border-radius:9px;white-space:nowrap;
  box-shadow:0 10px 26px -10px rgba(25,195,234,.7)}
.scale-pin::after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:7px solid transparent;border-top-color:#5ecfa5}
.scale-labels{position:relative;height:52px;margin-top:14px;font-size:.78rem;color:var(--muted)}
.scale-labels span{position:absolute;top:0;transform:translateX(-50%);text-align:center;white-space:nowrap}
.scale-labels span:first-child{transform:none;text-align:left}
.scale-labels span:last-child{transform:none;right:0;text-align:right}
.scale-labels b{display:block;font-family:"Space Grotesk";color:var(--text);font-size:.92rem}

/* numbered steps */
.steps{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:32px 28px;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--r-lg);overflow:hidden;transition:transform .35s var(--ease),border-color .35s}
.step:hover{transform:translateY(-5px);border-color:var(--stroke-2)}
.step::before{counter-increment:step;content:"0" counter(step);
  font-family:"Space Grotesk";font-weight:700;font-size:2.5rem;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:14px;opacity:.95}
.step h3{font-size:1.2rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.94rem;margin:0}

/* spec sheet */
.spec-wrap{max-width:900px;margin:0 auto;border:1px solid var(--stroke-2);border-radius:var(--r-lg);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.spec-wrap dl{margin:0}
.spec-row{display:grid;grid-template-columns:250px 1fr;gap:16px;padding:17px 26px;border-top:1px solid var(--stroke)}
.spec-row:first-child{border-top:0}
.spec-row:nth-child(odd){background:rgba(255,255,255,.02)}
.spec-row dt{font-family:"Space Grotesk";font-weight:600;font-size:.95rem;color:#fff;margin:0}
.spec-row dd{color:var(--muted);font-size:.95rem;margin:0}
.spec-note{max-width:900px;margin:16px auto 0;text-align:center;color:var(--dim);font-size:.83rem}

/* FAQ accordion */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{border:1px solid var(--stroke);border-radius:var(--r);background:var(--surface);transition:border-color .3s,background .3s}
.faq details[open]{border-color:var(--teal);background:var(--surface-2)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;font-family:"Space Grotesk";font-weight:600;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;font-weight:400;color:var(--teal);line-height:1;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin:0;padding:0 22px 20px;font-size:.95rem}

/* intended-use disclaimer band */
.disclaimer{padding-top:0}
.disclaimer-inner{max-width:840px;margin:0 auto;text-align:center;padding:24px 30px;border:1px dashed var(--stroke-2);border-radius:var(--r);color:var(--dim);font-size:.86rem;line-height:1.7}
.disclaimer-inner strong{color:var(--muted);font-weight:600}

@media(max-width:820px){
  .steps{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr;gap:4px}
  .scale-labels span:nth-child(2){display:none}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.15s!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}