/* ============================================================
   AIRE Purifiers — design system
   Clinical premium: deep navy + brand teal, generous space.
   ============================================================ */

:root{
  --navy-900:#061a29;
  --navy:#0b2a40;
  --navy-700:#123b57;
  --teal:#2aa5c7;
  --teal-bright:#41c4e3;
  --cyan:#8fe6f4;
  --ink:#0c1b26;
  --slate:#476072;
  --muted:#7b93a1;
  --line:#e3edf1;
  --line-soft:#eef4f7;
  --mist:#eef5f8;
  --paper:#f6fafb;
  --white:#ffffff;
  --gold:#c6a24a;
  --ok:#2fae82;

  --shadow-sm:0 2px 10px rgba(12,40,60,.06);
  --shadow:0 18px 50px -20px rgba(9,32,49,.28);
  --shadow-lg:0 40px 90px -30px rgba(7,26,41,.45);

  --r-sm:10px; --r:18px; --r-lg:28px; --r-pill:999px;

  --container:1200px;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-display:'Poppins','Inter',system-ui,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html{overflow-x:hidden}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);
  background:var(--white);line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;max-width:100%;
}
/* grid/flex items must be allowed to shrink below content size, or intrinsic
   image widths force horizontal overflow on narrow viewports */
.hero-grid>*,.split>*,.stats>*,.grid>*,.prod-grid>*,.footer-top>*,.kill-grid>*,.info-grid>*{min-width:0}
.hero-visual{min-width:0}
.hero-product,.split-media img{max-width:100%}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.08;margin:0;font-weight:600;letter-spacing:-.01em;color:var(--navy)}
p{margin:0 0 1rem}
::selection{background:var(--teal);color:#fff}

.container{max-width:var(--container);margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.eyebrow{font-family:var(--font-display);font-weight:600;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--teal);margin:0 0 .9rem}
.section{padding:clamp(64px,9vw,120px) 0}
.section--tight{padding:clamp(48px,6vw,80px) 0}
.lede{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--slate);max-width:46ch}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}
.muted{color:var(--muted)}

/* ---------- brand lockup ---------- */
.brand{display:inline-flex;flex-direction:column;line-height:1;gap:3px}
.brand-name{font-family:var(--font-display);font-weight:300;font-size:1.55rem;letter-spacing:.34em;color:var(--navy);position:relative;padding-bottom:5px}
.brand-name b{font-weight:300}
.brand-name::after{content:"";position:absolute;left:2%;right:12%;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--teal),var(--teal-bright));border-radius:2px;
  transform:skewX(-24deg) scaleX(.85);transform-origin:left;opacity:.95}
.brand-tag{font-family:var(--font-display);font-weight:500;font-size:.5rem;letter-spacing:.46em;color:var(--muted);text-transform:uppercase;padding-left:3px}
.brand--light .brand-name{color:#fff}
.brand--light .brand-tag{color:rgba(255,255,255,.6)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--font-display);
  font-weight:600;font-size:.95rem;letter-spacing:.01em;padding:.92em 1.6em;border-radius:var(--r-pill);
  cursor:pointer;border:1.5px solid transparent;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,color .3s;white-space:nowrap}
.btn svg{width:1.05em;height:1.05em}
.btn-primary{background:linear-gradient(120deg,var(--teal),var(--teal-bright));color:#fff;box-shadow:0 12px 30px -10px rgba(42,165,199,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px -12px rgba(42,165,199,.72)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:var(--navy-700)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--navy)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn-light:hover{background:#fff;color:var(--navy);border-color:#fff;transform:translateY(-2px)}
.btn-lg{font-size:1.02rem;padding:1.05em 1.9em}
.arrow-link{display:inline-flex;align-items:center;gap:.4em;font-family:var(--font-display);font-weight:600;color:var(--teal);font-size:.95rem}
.arrow-link svg{width:1em;height:1em;transition:transform .3s var(--ease)}
.arrow-link:hover svg{transform:translateX(4px)}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .35s var(--ease)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;
  max-width:var(--container);margin:14px auto 0;padding:12px clamp(18px,4vw,28px);
  background:rgba(255,255,255,.72);backdrop-filter:blur(18px) saturate(150%);
  border:1px solid rgba(255,255,255,.6);border-radius:var(--r-pill);box-shadow:var(--shadow-sm);
  transition:all .35s var(--ease)}
.nav.scrolled .nav-inner{margin-top:8px;background:rgba(255,255,255,.9);box-shadow:0 10px 34px -14px rgba(9,32,49,.24)}
.nav-links{display:flex;align-items:center;gap:.35rem;list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--font-display);font-weight:500;font-size:.92rem;color:var(--navy);
  padding:.5em .85em;border-radius:var(--r-pill);transition:all .25s;position:relative}
.nav-links a:hover{color:var(--teal);background:var(--mist)}
.nav-links a.active{color:var(--teal)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:920px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;align-items:stretch;
    gap:2px;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);border-radius:var(--r-lg);
    padding:14px;box-shadow:var(--shadow);max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:all .35s var(--ease)}
  .nav-links.open{max-height:70vh;opacity:1;pointer-events:auto;padding:14px}
  .nav-links a{padding:.75em 1em;font-size:1rem}
  .nav-cta .btn:not(.nav-toggle){display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:170px 0 90px;overflow:hidden;
  background:radial-gradient(120% 90% at 80% 0%,#0f3550 0%,var(--navy) 45%,var(--navy-900) 100%);color:#fff;isolation:isolate}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(50% 40% at 78% 30%,rgba(65,196,227,.22),transparent 70%)}
#hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.9}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero h1{color:#fff;font-size:clamp(2.5rem,5.6vw,4.3rem);font-weight:600;letter-spacing:-.025em}
.hero h1 .accent{background:linear-gradient(120deg,var(--teal-bright),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(1.05rem,1.7vw,1.3rem);color:rgba(233,245,250,.82);max-width:44ch;margin:1.4rem 0 2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2.4rem}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:flex-end;min-height:420px}
.hero-product{position:relative;z-index:2;max-height:520px;width:auto;filter:drop-shadow(0 40px 60px rgba(0,0,0,.5));animation:float 7s var(--ease) infinite}
.hero-halo{position:absolute;inset:auto 0 -6% 0;margin:auto;width:min(78%,360px);aspect-ratio:1;z-index:1;
  background:radial-gradient(circle,rgba(65,196,227,.4),transparent 62%);filter:blur(10px)}
.hero-ring{position:absolute;width:min(90%,440px);aspect-ratio:1;border:1px solid rgba(143,230,244,.25);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-46%);z-index:1}
.hero-ring::after{content:"";position:absolute;inset:36px;border:1px solid rgba(143,230,244,.16);border-radius:50%}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

.pill{display:inline-flex;align-items:center;gap:.45em;font-family:var(--font-display);font-weight:600;
  font-size:.76rem;letter-spacing:.06em;padding:.5em .95em;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#eafafe;backdrop-filter:blur(6px)}
.pill svg{width:1em;height:1em;color:var(--cyan)}
.pill--solid{background:var(--mist);border-color:var(--line);color:var(--navy-700)}
.pill--solid svg{color:var(--teal)}

/* ---------- trust strip ---------- */
.trust{background:var(--navy-900);color:#fff;padding:26px 0;position:relative;z-index:3}
.trust-inner{display:flex;flex-wrap:wrap;gap:clamp(18px,4vw,54px);align-items:center;justify-content:center}
.trust span{font-family:var(--font-display);font-weight:500;font-size:.8rem;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.62);display:inline-flex;align-items:center;gap:.5em}
.trust span svg{width:1.05em;height:1.05em;color:var(--teal-bright)}

/* ---------- stat row ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2.5vw,28px)}
.stat{text-align:center;padding:8px}
.stat .num{font-family:var(--font-display);font-weight:600;font-size:clamp(2.1rem,4vw,3rem);color:var(--navy);line-height:1;letter-spacing:-.02em}
.stat .num .unit{font-size:.5em;color:var(--teal);margin-left:2px}
.stat .lbl{font-size:.86rem;color:var(--slate);margin-top:.5rem}

/* ---------- section heading ---------- */
.sec-head{max-width:62ch}
.sec-head.center{margin:0 auto}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
.sec-head p{margin-top:1rem;font-size:clamp(1rem,1.4vw,1.15rem);color:var(--slate)}

/* ---------- the KILL module (active vs passive) ---------- */
.kill{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.kill::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 15% 20%,rgba(42,165,199,.2),transparent 60%)}
.kill .container{position:relative}
.kill h2{color:#fff}
.kill-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,3vw,32px);margin-top:2.6rem}
.kill-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:clamp(24px,3vw,38px)}
.kill-card.win{background:linear-gradient(160deg,rgba(42,165,199,.22),rgba(42,165,199,.05));border-color:rgba(65,196,227,.4)}
.kill-card .tag{font-family:var(--font-display);font-weight:600;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.kill-card.win .tag{color:var(--cyan)}
.kill-time{font-family:var(--font-display);font-weight:600;font-size:clamp(2.4rem,6vw,4rem);line-height:1;margin:.5rem 0;color:#fff;letter-spacing:-.02em}
.kill-card.win .kill-time{color:var(--cyan)}
.kill-desc{color:rgba(233,245,250,.72);font-size:.98rem;margin:0}
.kill-foot{margin-top:2.2rem;color:rgba(233,245,250,.66);font-size:.9rem;max-width:60ch}

/* ---------- feature grid ---------- */
.grid{display:grid;gap:clamp(18px,2.5vw,26px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(26px,3vw,36px);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--mist),#fff);border:1px solid var(--line-soft);margin-bottom:1.1rem}
.card .ic svg{width:26px;height:26px;color:var(--teal);stroke-width:1.6}
.card h3{font-size:1.22rem;margin-bottom:.5rem}
.card p{color:var(--slate);font-size:.97rem;margin:0}

/* ---------- product cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.5vw,28px)}
.prod-card{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod-media{position:relative;aspect-ratio:4/3.4;display:grid;place-items:center;overflow:hidden;
  background:linear-gradient(170deg,#f3f9fb,#e7f1f5)}
.prod-media img{max-height:86%;width:auto;object-fit:contain;transition:transform .5s var(--ease);filter:drop-shadow(0 18px 26px rgba(11,42,64,.14))}
.prod-card:hover .prod-media img{transform:scale(1.05)}
.prod-media.cover img{max-height:none;width:100%;height:100%;object-fit:cover;filter:none}
.prod-tag{position:absolute;top:14px;left:14px;font-family:var(--font-display);font-weight:600;font-size:.68rem;
  letter-spacing:.1em;text-transform:uppercase;padding:.4em .8em;border-radius:var(--r-pill);
  background:var(--navy);color:#fff}
.prod-tag.med{background:linear-gradient(120deg,var(--teal),var(--teal-bright))}
.prod-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.prod-body h3{font-size:1.24rem}
.prod-cover{font-size:.85rem;color:var(--teal);font-family:var(--font-display);font-weight:600;margin:.35rem 0 .1rem}
.prod-body p{color:var(--slate);font-size:.93rem;margin:.4rem 0 1rem}
.prod-specs{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto}
.prod-specs span{font-size:.76rem;color:var(--navy-700);background:var(--mist);border:1px solid var(--line-soft);padding:.34em .7em;border-radius:var(--r-pill)}
.prod-foot{margin-top:1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:1rem;border-top:1px solid var(--line-soft)}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split.rev .split-media{order:2}
.split-media{border-radius:var(--r-lg);overflow:hidden;position:relative;background:linear-gradient(170deg,#f1f8fb,#e5eff4);
  aspect-ratio:5/4.4;display:grid;place-items:center;box-shadow:var(--shadow)}
.split-media img{max-height:88%;width:auto;filter:drop-shadow(0 24px 36px rgba(11,42,64,.2))}
.split-media.cover img{max-height:none;width:100%;height:100%;object-fit:cover;filter:none}
.split ul.checks{list-style:none;padding:0;margin:1.4rem 0 1.8rem;display:grid;gap:.75rem}
.checks li{display:flex;gap:.7rem;align-items:flex-start;color:var(--slate);font-size:1rem}
.checks li svg{flex:none;width:1.4em;height:1.4em;color:var(--teal);margin-top:.12em}
.checks li b{color:var(--ink);font-weight:600}

/* ---------- filter stack (tech) ---------- */
.layers{display:grid;gap:12px;margin-top:2rem}
.layer{display:grid;grid-template-columns:auto 1fr;gap:1.1rem;align-items:center;padding:18px 22px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);transition:.35s}
.layer:hover{border-color:var(--teal);transform:translateX(5px);box-shadow:var(--shadow-sm)}
.layer .n{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;font-family:var(--font-display);
  font-weight:600;color:#fff;background:linear-gradient(150deg,var(--navy-700),var(--navy))}
.layer h4{font-size:1.02rem;margin-bottom:.15rem}
.layer p{margin:0;font-size:.92rem;color:var(--slate)}

/* ---------- spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;font-size:.95rem}
.spec-table tr{border-bottom:1px solid var(--line-soft)}
.spec-table td{padding:.85em 0}
.spec-table td:first-child{color:var(--slate)}
.spec-table td:last-child{text-align:right;font-family:var(--font-display);font-weight:500;color:var(--navy)}

/* ---------- cert badges ---------- */
.certs{display:flex;flex-wrap:wrap;gap:.7rem}
.cert{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-display);font-weight:600;font-size:.84rem;
  padding:.6em 1.05em;border-radius:var(--r-pill);background:var(--white);border:1px solid var(--line);color:var(--navy-700)}
.cert svg{width:1.1em;height:1.1em;color:var(--ok)}
.cert.hero-cert{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#eafafe}
.cert.hero-cert svg{color:var(--cyan)}

/* ---------- CTA band ---------- */
.cta-band{background:radial-gradient(120% 120% at 80% 10%,#0f3550,var(--navy) 55%,var(--navy-900));color:#fff;
  border-radius:var(--r-lg);padding:clamp(40px,6vw,72px);text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(40% 60% at 20% 90%,rgba(65,196,227,.22),transparent 60%)}
.cta-band>*{position:relative}
.cta-band h2{color:#fff;font-size:clamp(1.9rem,3.8vw,2.9rem)}
.cta-band p{color:rgba(233,245,250,.8);max-width:52ch;margin:1rem auto 2rem;font-size:1.1rem}
.cta-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}

/* ---------- pilot steps ---------- */
.steps{counter-reset:s;display:grid;gap:16px}
.step{display:grid;grid-template-columns:auto 1fr;gap:1.3rem;align-items:flex-start;padding:26px clamp(20px,3vw,32px);
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--font-display);font-weight:600;
  font-size:1.4rem;color:var(--teal);background:var(--mist);width:56px;height:56px;border-radius:16px;display:grid;place-items:center;border:1px solid var(--line-soft)}
.step h3{font-size:1.18rem;margin-bottom:.35rem}
.step p{margin:0;color:var(--slate);font-size:.97rem}

/* ---------- forms ---------- */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(28px,4vw,44px);box-shadow:var(--shadow)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-family:var(--font-display);font-weight:500;font-size:.88rem;color:var(--navy);margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;font-family:var(--font-body);font-size:1rem;color:var(--ink);
  padding:.85em 1em;border:1.5px solid var(--line);border-radius:var(--r-sm);background:var(--paper);transition:.25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(42,165,199,.12)}
.field textarea{min-height:130px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form-note{font-size:.82rem;color:var(--muted);margin-top:.8rem}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--white);overflow:hidden;transition:.3s}
.faq-item[open]{border-color:var(--teal);box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-family:var(--font-display);font-weight:600;
  color:var(--navy);display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:1.03rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.5rem;color:var(--teal);transition:.3s;font-weight:300;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px 22px;color:var(--slate);font-size:.97rem}

/* ---------- info tiles ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info{padding:26px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper)}
.info .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);margin-bottom:.9rem}
.info .ic svg{width:22px;height:22px;color:var(--teal)}
.info h4{font-size:1.02rem;margin-bottom:.3rem}
.info p{margin:0;font-size:.92rem;color:var(--slate)}
.info a{color:var(--teal);font-weight:600}

/* ---------- page hero (inner) ---------- */
.page-hero{padding:150px 0 60px;background:radial-gradient(120% 120% at 85% -10%,#0f3550,var(--navy) 55%,var(--navy-900));color:#fff;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(40% 60% at 15% 120%,rgba(65,196,227,.18),transparent 60%)}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.5rem);max-width:20ch}
.page-hero .eyebrow{color:var(--cyan)}
.page-hero p{color:rgba(233,245,250,.8);max-width:52ch;margin-top:1.1rem;font-size:1.12rem}
.breadcrumb{display:flex;gap:.5em;font-size:.85rem;color:rgba(233,245,250,.6);margin-bottom:1.4rem;font-family:var(--font-display)}
.breadcrumb a:hover{color:#fff}

/* ---------- footer ---------- */
.footer{background:var(--navy-900);color:rgba(255,255,255,.72);padding:72px 0 30px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(24px,4vw,48px);padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer h5{font-family:var(--font-display);font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin:0 0 1.1rem}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.footer a{color:rgba(255,255,255,.66);font-size:.94rem;transition:.25s}
.footer a:hover{color:var(--cyan)}
.footer-about p{font-size:.94rem;color:rgba(255,255,255,.6);margin:1.1rem 0}
.footer-contact{font-size:.92rem;line-height:1.9}
.footer-bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;padding-top:26px;font-size:.85rem;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}
.social{display:flex;gap:.6rem}
.social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);transition:.3s}
.social a:hover{background:var(--teal);transform:translateY(-2px)}
.social svg{width:17px;height:17px;color:#fff}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}

/* ---------- misc ---------- */
.divider{height:1px;background:var(--line);margin:0}
.badge-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.note-strip{background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:18px 22px;display:flex;gap:.9rem;align-items:flex-start;color:var(--slate);font-size:.94rem}
.note-strip svg{flex:none;width:1.3em;height:1.3em;color:var(--teal);margin-top:.15em}

/* ============================================================
   MOTION / LIVELINESS
   ============================================================ */
@keyframes aurora{0%{transform:translate3d(0,0,0) scale(1);opacity:.9}50%{transform:translate3d(3%,2%,0) scale(1.12);opacity:1}100%{transform:translate3d(-2%,-1%,0) scale(1.05);opacity:.85}}
@keyframes spin{to{transform:translate(-50%,-46%) rotate(360deg)}}
@keyframes pulseHalo{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:.85;transform:scale(1.1)}}
@keyframes shimmerText{0%{background-position:0% 50%}100%{background-position:200% 50%}}
@keyframes shimmerBar{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes fillbar{from{width:0}to{width:100%}}
@keyframes sheen{0%{transform:translateX(-160%) skewX(-20deg)}100%{transform:translateX(360%) skewX(-20deg)}}
@keyframes winGlow{0%,100%{box-shadow:0 0 26px -8px rgba(65,196,227,.28)}50%{box-shadow:0 0 46px -4px rgba(65,196,227,.55)}}
@keyframes floatSoft{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-16px) rotate(-.6deg)}}
@keyframes twinkle{0%,100%{opacity:.25}50%{opacity:.9}}

/* scroll progress bar */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--teal),var(--teal-bright),var(--cyan));
  box-shadow:0 0 14px rgba(65,196,227,.6);transition:width .1s linear}

/* animated aurora behind dark heroes */
.hero::before,.page-hero::before,.cta-band::before{content:"";position:absolute;inset:-30%;z-index:-1;pointer-events:none;
  background:radial-gradient(32% 42% at 22% 28%,rgba(42,165,199,.30),transparent 62%),
            radial-gradient(28% 38% at 82% 22%,rgba(65,196,227,.24),transparent 62%),
            radial-gradient(42% 52% at 62% 92%,rgba(28,74,104,.55),transparent 62%);
  filter:blur(24px);animation:aurora 20s ease-in-out infinite alternate}
.page-hero::before{z-index:0}
.page-hero .container{position:relative;z-index:1}
.cta-band::before{inset:-45%}
.kill::before{animation:aurora 24s ease-in-out infinite alternate}

/* hero visual choreography */
.hero-product{animation:floatSoft 7s var(--ease) infinite}
.hero-ring{animation:spin 46s linear infinite}
.hero-halo{animation:pulseHalo 6.5s ease-in-out infinite}
.hero-visual{transition:transform .3s var(--ease);will-change:transform}

/* shimmering headline accent */
.hero h1 .accent{background:linear-gradient(100deg,var(--teal-bright) 0%,var(--cyan) 35%,var(--teal-bright) 70%,var(--cyan) 100%);
  background-size:220% auto;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shimmerText 7s linear infinite}

/* button sheen sweep */
.btn-primary,.btn-dark{position:relative;overflow:hidden}
.btn-primary::after,.btn-dark::after{content:"";position:absolute;top:0;left:0;width:45%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
  transform:translateX(-160%) skewX(-20deg);pointer-events:none}
.btn-primary:hover::after,.btn-dark:hover::after{animation:sheen .85s ease}

/* card icon micro-motion */
.card .ic,.card .ic svg,.info .ic{transition:transform .45s var(--ease)}
.card:hover .ic{transform:translateY(-3px)}
.card:hover .ic svg{transform:scale(1.12)}
.info:hover .ic{transform:translateY(-3px) rotate(-4deg)}

/* nav underline */
.nav-links a::after{content:"";position:absolute;left:.85em;right:.85em;bottom:.32em;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--teal),var(--teal-bright));transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}

/* kill winning card — shimmer, glow, fill bar */
.kill-card.win{position:relative;overflow:hidden}
.kill-card.win::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(120deg,transparent 32%,rgba(143,230,244,.14) 50%,transparent 68%);
  background-size:220% 100%;animation:shimmerBar 5.5s linear infinite}
.kill-card.win::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--teal),var(--cyan))}
.kill-card.win.in::after{animation:fillbar 1.8s var(--ease) .3s forwards}
.kill-card.win.in{animation:winGlow 3.4s ease-in-out infinite 1.2s}

/* product image sheen on hover */
.prod-media::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background:linear-gradient(120deg,transparent 42%,rgba(255,255,255,.28) 50%,transparent 58%);
  transform:translateX(-160%) skewX(-18deg)}
.prod-card:hover .prod-media::after{animation:sheen 1s ease}

/* directional split reveals (no HTML change needed) */
.split .split-copy.reveal:not(.in){transform:translateX(-38px);opacity:0}
.split .split-media.reveal:not(.in){transform:translateX(38px) scale(.97);opacity:0}
.split.rev .split-copy.reveal:not(.in){transform:translateX(38px)}
.split.rev .split-media.reveal:not(.in){transform:translateX(-38px) scale(.97)}

/* stat pop on reveal */
@keyframes pop{0%{transform:scale(.86)}60%{transform:scale(1.04)}100%{transform:scale(1)}}
.stat.in .num{animation:pop .7s var(--ease)}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{min-height:340px;order:-1}
  .hero-product{max-height:360px}
  .split{grid-template-columns:1fr;gap:32px}
  .split.rev .split-media{order:0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .kill-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  body{font-size:16px}
  .hero h1{font-size:clamp(2.1rem,8.4vw,2.7rem)}
  .hero{padding-top:130px}
  .page-hero h1{font-size:clamp(1.9rem,7.6vw,2.6rem)}
  .stats{grid-template-columns:repeat(2,1fr);gap:24px 14px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .hero{padding-top:140px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%;justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}