/* =========================================================
   Arcticar — variant-1 "Cold Chain OS"  (WHITE, BLACK text)
   ========================================================= */
:root{
  --ink:#151515;
  --ink-soft:#404347;
  --ink-mute:#6c7178;
  --white:#ffffff;
  --off:#f5f6f7;
  --off-2:#eef0f2;
  --line:#e3e6e9;
  --line-2:#d7dbe0;
  --teal:#15c47e;
  --teal-deep:#0db14b;
  --amber:#e8920c;
  --shadow-sm:0 1px 2px rgba(21,21,21,.05);
  --shadow:0 18px 50px -22px rgba(21,21,21,.28);
  --shadow-soft:0 10px 30px -18px rgba(21,21,21,.25);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1180px;
  --nav-h:68px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:"Space Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  font-size:17px;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.08;letter-spacing:-.02em;font-weight:600}
p{margin:0}
:focus-visible{outline:2px solid var(--teal-deep);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:.5rem;min-height:46px;padding:0 22px;border-radius:999px;
  font-weight:600;font-size:15px;letter-spacing:.01em;cursor:pointer;
  border:1.5px solid transparent;transition:transform .2s var(--ease),background .2s,box-shadow .2s,border-color .2s;
  white-space:nowrap;
}
.btn--primary{background:var(--teal);color:#06231a;box-shadow:0 8px 20px -10px rgba(21,196,126,.7)}
.btn--primary:hover{background:var(--teal-deep);color:#fff;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn--block{width:100%}

.eyebrow{
  font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--teal-deep);font-weight:600;margin-bottom:14px;
}
.accent{color:var(--teal-deep)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:rgba(255,255,255,.82);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s,background .3s;
}
.nav.is-stuck{border-color:var(--line);box-shadow:var(--shadow-sm);background:rgba(255,255,255,.94)}
.nav__inner{max-width:var(--maxw);margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;gap:24px}
.nav__wordmark{height:24px;width:auto}
.nav__links{display:flex;gap:30px;margin-left:auto;font-size:15px;font-weight:500}
.nav__links a{color:var(--ink-soft);position:relative;padding:6px 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--teal);transition:width .25s var(--ease)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}
.nav__actions{display:flex;align-items:center;gap:14px}
.nav__burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:none;cursor:pointer;padding:10px}
.nav__burger span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}

/* ---------- mobile menu ---------- */
.mobile{
  position:fixed;inset:0;z-index:80;background:var(--white);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .3s,visibility .3s,transform .3s;
}
.mobile.is-open{opacity:1;visibility:visible;transform:none}
.mobile__close{position:absolute;top:18px;right:22px;font-size:38px;line-height:1;background:none;border:none;color:var(--ink);cursor:pointer;width:48px;height:48px}
.mobile__links{display:flex;flex-direction:column;gap:26px;text-align:center;font-size:26px;font-weight:600}
.mobile__links a{color:var(--ink)}
.mobile__links .btn{font-size:17px;margin-top:8px}

/* ---------- hero ---------- */
.hero{padding:64px 0 0}
.hero__grid{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;
}
.hero h1{font-size:clamp(2.3rem,5.2vw,4rem);margin:6px 0 18px}
.hero .lead{font-size:1.12rem;color:var(--ink-soft);max-width:46ch}
.hero__ctas{display:flex;gap:14px;margin:28px 0 26px;flex-wrap:wrap}
.trust{
  list-style:none;margin:0;padding:18px 0 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-mute);
}
.trust li{position:relative;padding-left:18px}
.trust li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* dashboard card */
.dash{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;
}
.dash__top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.dash__title{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;color:var(--ink-soft)}
.dash__dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(21,196,126,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(21,196,126,.45)}70%{box-shadow:0 0 0 8px rgba(21,196,126,0)}100%{box-shadow:0 0 0 0 rgba(21,196,126,0)}}
.dash__clock{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--ink-mute)}
.dash__hero-temp{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 0 14px}
.dash__temp{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 4px}
.dash__temp-val{font-family:"JetBrains Mono",monospace;font-size:3rem;font-weight:600;line-height:1;letter-spacing:-.03em}
.dash__temp-unit{font-family:"JetBrains Mono",monospace;font-size:1.2rem;color:var(--ink-mute)}
.dash__temp-label{flex-basis:100%;font-size:12.5px;color:var(--ink-mute);margin-top:6px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;font-size:12.5px;font-weight:600;border:1px solid var(--line);white-space:nowrap}
.chip__dot{width:8px;height:8px;border-radius:50%}
.chip--ok{background:rgba(21,196,126,.1);color:var(--teal-deep);border-color:rgba(21,196,126,.3)}
.chip--ok .chip__dot{background:var(--teal)}
.chip--warn{background:rgba(232,146,12,.12);color:#a5640a;border-color:rgba(232,146,12,.35)}
.chip--warn .chip__dot{background:var(--amber)}
.dash__spark{padding:6px 0 14px;border-bottom:1px solid var(--line)}
.dash__spark-label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:8px}
#sparkline{width:100%;height:70px}
.dash__gauges{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:18px 0 4px}
.gauge{position:relative;text-align:center}
.gauge svg{width:80px;height:80px;margin:0 auto;transform:rotate(-90deg)}
.gauge__track{fill:none;stroke:var(--off-2);stroke-width:7}
.gauge__fill{fill:none;stroke:var(--teal);stroke-width:7;stroke-linecap:round;transition:stroke-dashoffset 1s var(--ease)}
.gauge__center{position:absolute;top:30px;left:0;right:0;font-family:"JetBrains Mono",monospace;font-weight:600;font-size:18px;pointer-events:none}
.gauge__center small{font-size:11px;color:var(--ink-mute);margin-left:1px}
.gauge__label{font-size:12px;color:var(--ink-mute);margin-top:2px}
.dash__foot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink-soft)}
.dash__foot-k{color:var(--ink-mute)}
.ok-text{color:var(--teal-deep);font-weight:600}

.hero__photo{position:relative;margin-top:60px;height:clamp(260px,42vw,460px);overflow:hidden}
.hero__photo img{width:100%;height:100%;object-fit:cover}
.hero__photo-tag{
  position:absolute;left:24px;bottom:24px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);padding:12px 18px;border-radius:999px;
  font-weight:600;font-size:14px;box-shadow:var(--shadow-soft);
}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section--alt{background:var(--off)}
.section__head{max-width:760px;margin:0 auto 52px;text-align:center}
.section__head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:14px}
.section__lead{color:var(--ink-soft);font-size:1.08rem}

/* product */
.product{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.product__media{background:var(--off);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.product__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec{padding:18px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.spec:nth-child(2n){border-right:none}
.spec:nth-last-child(-1),.spec:nth-last-child(2){border-bottom:none}
.spec dt{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:6px}
.spec dd{margin:0;font-weight:600;font-size:1.05rem}
.spec dd span{display:block;font-weight:400;font-size:.82rem;color:var(--ink-mute);margin-top:2px}

/* datagrid */
.datagrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.datacard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.datacard:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:var(--line-2)}
.datacard h3{font-size:1.05rem;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.datacard h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--teal);flex:none}
.datacard p{font-size:.92rem;color:var(--ink-soft)}

/* marquee */
.marquee{margin-top:52px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:14px 0;background:var(--white)}
.marquee__track{display:flex;gap:40px;white-space:nowrap;width:max-content;animation:scroll 32s linear infinite;font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--ink-mute);letter-spacing:.08em}
.marquee__track span{position:relative;padding-left:22px}
.marquee__track span::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--teal)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:56px}
.stat{text-align:center;padding:26px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.stat__num{display:block;font-family:"JetBrains Mono",monospace;font-size:clamp(2rem,4vw,2.8rem);font-weight:600;color:var(--teal-deep);letter-spacing:-.02em;line-height:1}
.stat__label{display:block;margin-top:8px;color:var(--ink-soft);font-size:.95rem}

/* compare */
.compare__table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}
.compare__table th,.compare__table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.96rem;vertical-align:top}
.compare__table thead th{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);font-weight:600}
.compare__table tbody th{font-weight:600}
.compare__table td{color:var(--ink-soft)}
.compare__table tr:last-child th,.compare__table tr:last-child td{border-bottom:none}
.compare__us{background:rgba(21,196,126,.06);color:var(--ink)!important;font-weight:600}
thead .compare__us{color:var(--teal-deep)!important}

/* full-bleed band */
.band{position:relative;margin-top:90px;height:clamp(300px,40vw,440px);overflow:hidden}
.band img{width:100%;height:100%;object-fit:cover}
.band__overlay{position:absolute;inset:0;display:flex;align-items:center;background:linear-gradient(90deg,rgba(8,30,20,.62),rgba(8,30,20,.18))}
.band__copy{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;color:#fff}
.band__copy h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.5rem);max-width:18ch}
.band__copy p{color:rgba(255,255,255,.9);margin-top:14px;max-width:46ch}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pillar{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.pillar__num{font-family:"JetBrains Mono",monospace;font-size:14px;color:var(--teal-deep);font-weight:600;margin-bottom:16px}
.pillar h3{font-size:1.2rem;margin-bottom:10px}
.pillar p{color:var(--ink-soft);font-size:.96rem}

/* investors */
.investors{text-align:center}
.investors__logo{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:26px}
.investors__logo img{height:38px;width:auto}
.investors__cohort{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute)}
.investors__cred{max-width:680px;margin:0 auto;color:var(--ink-soft);font-size:1.05rem}
.investors__cred strong{color:var(--ink)}

/* faq */
.faq{display:flex;flex-direction:column;gap:12px}
.faq__item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq__item.is-open{border-color:var(--line-2);box-shadow:var(--shadow-soft)}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:none;cursor:pointer;text-align:left;font-family:inherit;font-size:1.05rem;font-weight:600;color:var(--ink);min-height:44px}
.faq__icon{position:relative;width:18px;height:18px;flex:none}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--teal-deep);border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.faq__icon::before{top:8px;left:0;width:18px;height:2px}
.faq__icon::after{top:0;left:8px;width:2px;height:18px}
.faq__item.is-open .faq__icon::after{transform:scaleY(0);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq__a p{padding:0 22px 22px;color:var(--ink-soft);font-size:.98rem}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
.contact h2{font-size:clamp(1.9rem,3.6vw,2.6rem);margin-bottom:14px}
.contact__list{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.contact__list li{display:flex;gap:16px;align-items:baseline;border-top:1px solid var(--line);padding-top:14px}
.contact__k{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);min-width:64px}
.contact__list a{font-weight:600}
.contact__list a:hover{color:var(--teal-deep)}
.contact__form{background:var(--off);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--ink-soft)}
.field input,.field textarea{width:100%;font-family:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;background:var(--white);color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(21,196,126,.16)}
.field textarea{resize:vertical;min-height:96px}
.contact__note{margin-top:14px;color:var(--teal-deep);font-weight:600;font-size:.95rem;text-align:center}

/* footer */
.footer{background:#0e1311;color:#c8cdcb}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-top:64px;padding-bottom:48px}
.footer__wordmark{height:24px;width:auto;filter:brightness(0) invert(1);margin-bottom:16px}
.footer__brand p{font-size:.92rem;color:#9aa19e;max-width:42ch;margin-bottom:18px}
.footer__social{display:flex;gap:12px}
.footer__social a{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid #2a322f;border-radius:10px;transition:background .2s,border-color .2s}
.footer__social a:hover{background:#161d1a;border-color:var(--teal)}
.footer__social img{width:18px;height:18px;filter:brightness(0) invert(1);opacity:.85}
.footer__col h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#7c837f;font-family:"JetBrains Mono",monospace;font-weight:600;margin-bottom:16px}
.footer__col a,.footer__addr{display:block;font-size:.95rem;color:#c8cdcb;margin-bottom:11px}
.footer__col a:hover{color:var(--teal)}
.footer__bar{border-top:1px solid #1d2421;text-align:center;padding:22px 24px;font-size:.85rem;color:#7c837f}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .dash__dot{animation:none}
  .marquee__track{animation:none}
  .gauge__fill{transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__dash{max-width:480px}
  .product,.contact{grid-template-columns:1fr;gap:34px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer__brand{grid-column:1/-1}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
  .section{padding:72px 0}
  .hero{padding:44px 0 0}
  .specs{grid-template-columns:1fr}
  .spec{border-right:none}
  .spec:nth-last-child(2){border-bottom:1px solid var(--line)}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .compare__table{font-size:.9rem}
  .compare__table th,.compare__table td{padding:12px}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:440px){
  .container{padding:0 18px}
  .hero__grid{padding:0 18px}
  .dash{padding:18px}
  .dash__temp-val{font-size:2.5rem}
  .gauge svg{width:70px;height:70px}
  .gauge__center{top:25px;font-size:16px}
  .hero__ctas .btn{flex:1}
}