/* =========================================================
   EarthingTek 鈥?Design System
   Dark technical / earth-toned B2B system
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  --ink:#050D0B;
  --ink-2:#08130F;
  --surface:#0B1A16;
  --surface-2:#102420;
  --surface-3:#142D27;
  --paper:#EEF1E9;
  --paper-2:#E4E9DE;

  --line:rgba(232,244,238,.10);
  --line-2:rgba(232,244,238,.18);
  --line-strong:rgba(232,244,238,.30);

  --text:#E9F2ED;
  --text-2:#B9CCC4;
  --muted:#83988F;

  --accent:#3BE3B3;
  --accent-2:#8CF5D6;
  --accent-deep:#0F6B55;
  --warn:#E8C37A;

  --font-display:"Sora",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;

  --wrap:1240px;
  --gutter:clamp(20px,5vw,48px);
  --section:clamp(72px,9vw,132px);

  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);

  --shadow-1:0 1px 2px rgba(0,0,0,.4);
  --shadow-2:0 18px 40px -18px rgba(0,0,0,.7);
  --shadow-3:0 40px 80px -40px rgba(0,0,0,.85);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.68;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:-.025em;text-wrap:balance}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
::selection{background:var(--accent);color:#04120E}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* grain overlay */
body::before{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 3. Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section);position:relative}
.section--tight{padding-block:clamp(48px,6vw,80px)}
.section--paper{background:var(--paper);color:#0B1A16}
.section--paper h2,.section--paper h3{color:#08130F}
.section--edge{border-top:1px solid var(--line)}
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.stack{display:flex;flex-direction:column}

/* ---------- 4. Type helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.20em;text-transform:uppercase;
  color:var(--accent);font-weight:500;margin:0 0 18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.7}
.eyebrow--plain::before{display:none}
.section--paper .eyebrow{color:#0F6B55}

.h-xl{font-size:clamp(2.5rem,5.6vw,4.6rem);letter-spacing:-.035em;line-height:1.02}
.h-lg{font-size:clamp(2rem,3.9vw,3.3rem)}
.h-md{font-size:clamp(1.5rem,2.3vw,2.05rem)}
.h-sm{font-size:clamp(1.12rem,1.4vw,1.32rem);letter-spacing:-.015em}
.lead{font-size:clamp(1.02rem,1.35vw,1.19rem);line-height:1.62;color:var(--text-2);max-width:62ch}
.section--paper .lead{color:#3F554C}
.muted{color:var(--muted)}
.small{font-size:13.5px;line-height:1.6}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.accent{color:var(--accent)}

.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:clamp(32px,4vw,56px);flex-wrap:wrap}
.section-head .text{max-width:680px}

/* ---------- 5. Buttons ---------- */
.btn{
  --btn-bg:var(--accent);
  --btn-fg:#04120E;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:0 26px;height:52px;border-radius:999px;
  background:var(--btn-bg);color:var(--btn-fg);
  font-family:var(--font-display);font-size:14.5px;font-weight:600;letter-spacing:.01em;
  white-space:nowrap;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .25s,border-color .25s,color .25s;
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(59,227,179,.65)}
.btn:active{transform:translateY(0)}
.btn svg{transition:transform .35s var(--ease-out)}
.btn:hover svg{transform:translateX(3px)}
.btn--ghost{
  background:transparent;color:var(--text);border-color:var(--line-2);--btn-fg:var(--text);
}
.btn--ghost:hover{background:rgba(232,244,238,.06);border-color:var(--line-strong);box-shadow:none}
.btn--dark{background:#0B1A16;color:var(--text)}
.btn--dark:hover{background:#102420;box-shadow:0 14px 30px -18px rgba(0,0,0,.5)}
.btn--sm{height:42px;padding:0 18px;font-size:13px}
.btn--block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);
  font-size:14px;font-weight:500;letter-spacing:.01em;color:var(--accent);
  border-bottom:1px solid rgba(59,227,179,.35);padding-bottom:3px;transition:gap .25s var(--ease),border-color .25s;
}
.link-arrow:hover{gap:13px;border-color:var(--accent)}
.section--paper .link-arrow{color:#0F6B55;border-color:rgba(15,107,85,.4)}

/* ---------- 6. Header ---------- */
.topbar{
  background:#030907;border-bottom:1px solid var(--line);
  font-size:12.5px;color:var(--muted);position:relative;z-index:60;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:20px}
.topbar a{transition:color .2s}
.topbar a:hover{color:var(--text)}
.topbar__group{display:flex;align-items:center;gap:22px}
.topbar__dot{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);display:inline-block;margin-right:8px}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,13,11,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .3s,border-color .3s;
}
.site-header.is-scrolled{background:rgba(5,13,11,.94);border-color:var(--line-2)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(150deg,#3BE3B3,#0F6B55);flex-shrink:0;
}
.brand__mark svg{width:16px;height:16px}
.brand__name{font-family:var(--font-display);font-size:16.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.brand__name b{color:var(--accent);font-weight:600}
.brand__mark-img{width:38px;height:38px;display:block;flex-shrink:0;border-radius:50%}
.brand__name{font-size:18px;letter-spacing:.11em}
.site-footer .brand__mark-img{width:42px;height:42px}
.site-footer .brand__name{font-size:19px}
@media (max-width:900px){
  .brand__mark-img{width:33px;height:33px}
  .brand__name{font-size:16px;letter-spacing:.09em}
  .site-footer .brand__mark-img{width:38px;height:38px}
  .site-footer .brand__name{font-size:17px}
}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{
  font-size:14px;color:var(--text-2);position:relative;padding:6px 0;transition:color .2s;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);
  transition:width .3s var(--ease);
}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--text)}
.nav__links a:hover::after,.nav__links a[aria-current="page"]::after{width:100%}
.nav__right{display:flex;align-items:center;gap:16px}
.nav__toggle{display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:50%;align-items:center;justify-content:center}
.nav__toggle span{display:block;width:16px;height:1.5px;background:var(--text);position:relative;transition:transform .3s,opacity .3s}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--text);transition:transform .3s,opacity .3s}
.nav__toggle span::before{top:-5px}
.nav__toggle span::after{top:5px}
body.nav-open .nav__toggle span{background:transparent}
body.nav-open .nav__toggle span::before{transform:translateY(5px) rotate(45deg)}
body.nav-open .nav__toggle span::after{transform:translateY(-5px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;z-index:45;background:var(--ink-2);
  padding:120px var(--gutter) 48px;display:flex;flex-direction:column;gap:8px;
  opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .3s,transform .3s var(--ease);
}
body.nav-open .mobile-menu{opacity:1;pointer-events:auto;transform:none}
.mobile-menu a{
  font-family:var(--font-display);font-size:clamp(1.7rem,7vw,2.4rem);font-weight:500;
  padding:10px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;
}
.mobile-menu a span{font-family:var(--mono);font-size:11px;color:var(--muted)}
.mobile-menu .btn{margin-top:28px}

/* ---------- 7. Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink)}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.85}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(90% 70% at 18% 30%, rgba(59,227,179,.10), transparent 60%),
    linear-gradient(90deg, rgba(5,13,11,.96) 0%, rgba(5,13,11,.72) 45%, rgba(5,13,11,.35) 100%),
    linear-gradient(180deg, rgba(5,13,11,.55) 0%, transparent 30%, rgba(5,13,11,.9) 100%);
}
.hero__grid{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:calc(100% / 6) 100%;
  mask-image:linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.hero__inner{position:relative;z-index:2;padding-block:clamp(76px,11vw,148px) clamp(52px,7vw,88px)}
.hero__content{max-width:840px}
.hero h1{margin-bottom:26px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{font-size:clamp(1.05rem,1.5vw,1.3rem);max-width:60ch;margin-bottom:38px;color:var(--text-2)}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:clamp(48px,6vw,76px)}
.hero__specs{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  backdrop-filter:blur(8px);max-width:900px;
}
.hero__spec{background:rgba(8,19,15,.72);padding:22px 22px 20px}
.hero__spec b{display:block;font-family:var(--font-display);font-size:clamp(1.35rem,2vw,1.7rem);font-weight:600;letter-spacing:-.02em;margin-bottom:4px}
.hero__spec > span{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);line-height:1.5;display:block}

/* ---------- 8. Ticker ---------- */
.ticker{border-block:1px solid var(--line);background:#030907;overflow:hidden;padding-block:15px}
.ticker__track{display:flex;gap:0;width:max-content;animation:marquee 42s linear infinite}
.ticker:hover .ticker__track{animation-play-state:paused}
.ticker__item{
  display:inline-flex;align-items:center;gap:26px;padding-inline:26px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-2);white-space:nowrap;
}
.ticker__item::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.6}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 9. Cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,2.4vw,30px);transition:border-color .3s,transform .4s var(--ease),background .3s;
}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card__icon{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;margin-bottom:20px;
  background:rgba(59,227,179,.09);border:1px solid rgba(59,227,179,.20);color:var(--accent);
}
.card__icon svg{width:19px;height:19px}
.card h3{margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text-2);line-height:1.62}
.card__num{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.14em;margin-bottom:16px;display:block}

/* product tile */
.pcard{display:flex;flex-direction:column;gap:0}
.pcard__media{
  position:relative;background:var(--paper);border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:1/1;display:block;
}
.pcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out)}
.pcard:hover .pcard__media img{transform:scale(1.045)}
.pcard__tag{
  position:absolute;top:14px;left:14px;z-index:2;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  background:rgba(5,13,11,.82);color:var(--accent-2);padding:5px 10px;border-radius:999px;
  backdrop-filter:blur(6px);
}
.pcard__arrow{
  position:absolute;right:14px;bottom:14px;z-index:2;width:38px;height:38px;border-radius:50%;
  background:var(--ink);color:var(--accent);display:grid;place-items:center;
  opacity:0;transform:translateY(6px);transition:opacity .3s,transform .35s var(--ease);
}
.pcard:hover .pcard__arrow{opacity:1;transform:none}
.pcard__body{padding:16px 4px 0;display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.pcard__body h3{font-size:1.02rem;font-weight:500;font-family:var(--font-body);letter-spacing:0;margin-bottom:5px;line-height:1.35}
.pcard__body p{font-size:12.5px;color:var(--muted);margin:0;line-height:1.5}
.pcard__price{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;padding-top:4px}

/* ---------- 10. Split media blocks ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,76px);align-items:center}
.split--rev .split__media{order:2}
.split__media{border-radius:var(--r-xl);overflow:hidden;position:relative;background:var(--surface-2)}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__media--paper{background:var(--paper)}
.split__caption{
  position:absolute;left:16px;bottom:16px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--text);
  background:rgba(5,13,11,.72);backdrop-filter:blur(8px);padding:7px 12px;border-radius:999px;
}
.split__body h2{margin-bottom:20px}

/* checklist */
.checks{display:grid;gap:14px;margin:26px 0 0}
.checks li{display:flex;gap:13px;align-items:flex-start;font-size:14.5px;color:var(--text-2);line-height:1.55}
.checks li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:3px;border-radius:50%;
  background:rgba(59,227,179,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.2 2.2 4.6-4.6' stroke='%233BE3B3' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/11px no-repeat;
  border:1px solid rgba(59,227,179,.28);
}

/* ---------- 11. Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,44px)}
.stat b{
  display:block;font-family:var(--font-display);font-size:clamp(2.1rem,3.6vw,3rem);
  font-weight:600;letter-spacing:-.035em;line-height:1;margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.stat > span{font-size:13px;color:var(--muted);line-height:1.5;display:block;max-width:22ch}
.stat b i{font-style:normal;color:var(--accent);font-size:.55em;vertical-align:super;margin-left:2px}

/* ---------- 12. Process ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.process__step{position:relative;padding:0 22px 0 0}
.process__step::before{
  content:"";position:absolute;top:15px;left:36px;right:0;height:1px;background:var(--line-2);
}
.process__step:last-child::before{display:none}
.process__dot{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line-2);background:var(--ink);
  display:grid;place-items:center;font-family:var(--mono);font-size:11px;color:var(--accent);
  margin-bottom:22px;position:relative;z-index:1;
}
.process__step h3{font-size:1rem;font-family:var(--font-body);font-weight:600;margin-bottom:8px;letter-spacing:0}
.process__step p{font-size:13px;color:var(--muted);line-height:1.55}

/* ---------- 13. Category filter / catalog ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.filter{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line-2);
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-2);
  transition:all .25s;
}
.filter:hover{border-color:var(--line-strong);color:var(--text)}
.filter.is-active{background:var(--accent);border-color:var(--accent);color:#04120E}

/* ---------- 14. Accordion ---------- */
.accordion{border-top:1px solid var(--line)}
.acc__item{border-bottom:1px solid var(--line)}
.acc__btn{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:24px 0;text-align:left;font-family:var(--font-display);font-size:clamp(1rem,1.4vw,1.13rem);
  font-weight:500;letter-spacing:-.01em;transition:color .2s;
}
.acc__btn:hover{color:var(--accent)}
.acc__icon{width:26px;height:26px;flex-shrink:0;position:relative;border:1px solid var(--line-2);border-radius:50%}
.acc__icon::before,.acc__icon::after{
  content:"";position:absolute;background:var(--text);left:50%;top:50%;transform:translate(-50%,-50%);
}
.acc__icon::before{width:9px;height:1px}
.acc__icon::after{width:1px;height:9px;transition:transform .3s,opacity .3s}
.acc__item.is-open .acc__icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.acc__item.is-open .acc__icon{border-color:var(--accent);background:rgba(59,227,179,.08)}
.acc__item.is-open .acc__icon::before{background:var(--accent)}
.acc__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .38s var(--ease)}
.acc__item.is-open .acc__panel{grid-template-rows:1fr}
.acc__panel>div{overflow:hidden}
.acc__panel p{padding-bottom:26px;max-width:78ch;color:var(--text-2);font-size:14.8px;line-height:1.7}

/* ---------- 15. Forms ---------- */
.form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;background:rgba(232,244,238,.04);border:1px solid var(--line-2);border-radius:10px;
  padding:13px 15px;color:var(--text);font-family:var(--font-body);font-size:14.5px;
  transition:border-color .2s,background .2s;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(59,227,179,.05);
}
.field input::placeholder,.field textarea::placeholder{color:#5E746C}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form__note{font-size:12px;color:var(--muted);line-height:1.6}
.form__status{font-size:13.5px;padding:14px 16px;border-radius:10px;display:none}
.form__status.is-ok{display:block;background:rgba(59,227,179,.1);border:1px solid rgba(59,227,179,.3);color:var(--accent-2)}
.form__status.is-err{display:block;background:rgba(232,195,122,.1);border:1px solid rgba(232,195,122,.3);color:var(--warn)}

/* ---------- 16. Page hero (inner pages) ---------- */
.page-hero{position:relative;padding-block:clamp(56px,7vw,96px) clamp(40px,5vw,64px);border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 120% at 80% 0%, rgba(59,227,179,.10), transparent 65%);
  pointer-events:none;
}
.page-hero .wrap{position:relative}
.crumbs{display:flex;gap:10px;align-items:center;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:26px}
.crumbs a:hover{color:var(--accent)}
.crumbs span{opacity:.4}
.page-hero h1{max-width:20ch;margin-bottom:22px}
.page-hero .lead{max-width:64ch}

/* ---------- 17. CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(135deg,#0E2A24 0%,#0A1A16 55%,#0C231D 100%);
  border:1px solid var(--line-2);padding:clamp(36px,5vw,72px);
}
.cta-band::before{
  content:"";position:absolute;right:-10%;top:-40%;width:60%;height:180%;
  background:radial-gradient(circle,rgba(59,227,179,.16),transparent 65%);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(232,244,238,.06) 1px,transparent 1px);
  background-size:80px 100%;
  mask-image:linear-gradient(90deg,transparent,#000 60%,#000);
}
.cta-band__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr .6fr;gap:36px;align-items:center}
.cta-band h2{margin-bottom:16px;max-width:22ch}
.cta-band p{color:var(--text-2);max-width:52ch;font-size:15px}
.cta-band__actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}

/* ---------- 18. Footer ---------- */
.site-footer{background:#030907;border-top:1px solid var(--line);padding-top:clamp(56px,7vw,88px);position:relative;overflow:hidden}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:clamp(28px,4vw,56px);padding-bottom:56px}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.7;max-width:34ch;margin-top:18px}
.footer h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text);margin-bottom:18px;font-weight:500}
.footer ul{display:grid;gap:11px}
.footer li a,.footer li{font-size:13.5px;color:var(--muted);line-height:1.5;transition:color .2s}
.footer li a:hover{color:var(--accent)}
.footer__contact li{display:flex;gap:10px;align-items:flex-start}
.footer__contact svg{width:14px;height:14px;margin-top:4px;flex-shrink:0;color:var(--accent);opacity:.8}
.footer-word{
  font-family:var(--font-display);font-weight:600;font-size:clamp(2.4rem,9.2vw,8.4rem);line-height:.85;
  letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1px rgba(232,244,238,.09);
  text-align:center;margin-bottom:-.12em;user-select:none;pointer-events:none;
}
.footer-bottom{
  border-top:1px solid var(--line);padding-block:22px;display:flex;justify-content:space-between;
  gap:20px;flex-wrap:wrap;font-size:12px;color:var(--muted);position:relative;z-index:1;background:#030907;
}
.footer-bottom a:hover{color:var(--text)}
.disclaimer{font-size:11.5px;color:#5C7069;line-height:1.6;max-width:80ch;padding-top:14px}

/* ---------- 19. Utility / reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-2);font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-2);
}
.badge--accent{border-color:rgba(59,227,179,.35);color:var(--accent);background:rgba(59,227,179,.07)}

/* product spec table */
.spec-table{width:100%;border-collapse:collapse;font-size:14px}
.spec-table tr{border-bottom:1px solid var(--line)}
.spec-table th{
  text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);font-weight:400;padding:13px 20px 13px 0;vertical-align:top;width:38%;
}
.spec-table td{padding:13px 0;color:var(--text-2)}

/* product gallery */
.gallery{display:grid;gap:12px}
.gallery__main{background:var(--paper);border-radius:var(--r-xl);overflow:hidden;aspect-ratio:1/1}
.gallery__main img{width:100%;height:100%;object-fit:cover}
.gallery__thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery__thumb{background:var(--paper);border-radius:var(--r-md);overflow:hidden;aspect-ratio:1/1;border:1px solid transparent;transition:border-color .2s,opacity .2s;opacity:.75}
.gallery__thumb:hover,.gallery__thumb.is-active{opacity:1;border-color:var(--accent)}
.gallery__thumb img{width:100%;height:100%;object-fit:cover}

/* swatches */
.swatches{display:flex;gap:10px;align-items:center}
.swatch{width:26px;height:26px;border-radius:50%;border:1px solid rgba(0,0,0,.12);box-shadow:0 0 0 3px var(--ink),0 0 0 4px var(--line-2)}
.swatch--white{background:#F7F7F2}
.swatch--gray{background:#9AA1A6}
.swatch--green{background:#A8BE8F}

/* two-col info list */
.info-list{display:grid;gap:0;border-top:1px solid var(--line)}
.info-list li{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.info-list b{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:400;padding-top:3px}
.info-list span{color:var(--text-2)}

/* ---------- 20. Responsive ---------- */
@media (max-width:1080px){
  .nav__links{gap:24px}
  .process{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .process__step::before{display:none}
  .footer-top{grid-template-columns:1fr 1fr;row-gap:40px}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:32px}
}
@media (max-width:900px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav__right .btn{display:none}
  .hero__specs{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split--rev .split__media{order:0}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .cta-band__inner{grid-template-columns:1fr}
  .cta-band__actions{flex-direction:row;flex-wrap:wrap}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .topbar .wrap{height:34px;font-size:11.5px}
  .topbar__group:last-child{display:none}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .hero__specs{grid-template-columns:1fr 1fr}
  .hero__spec{padding:16px}
  .hero__actions .btn{width:100%}
  .field-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .info-list li{grid-template-columns:1fr;gap:4px}
  .process{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .cta-band__actions{flex-direction:column}
  .gallery__thumbs{grid-template-columns:repeat(4,1fr)}
}

/* ---------- 21. Modal (quick view) ---------- */
.modal{
  position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px;
  background:rgba(3,9,7,.82);backdrop-filter:blur(10px);
  opacity:0;pointer-events:none;transition:opacity .28s;
}
.modal.is-open{opacity:1;pointer-events:auto}
.modal__box{
  width:min(940px,100%);max-height:90vh;overflow:auto;position:relative;
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-xl);
  display:grid;grid-template-columns:.9fr 1.1fr;transform:translateY(10px) scale(.99);
  transition:transform .35s var(--ease-out);
}
.modal.is-open .modal__box{transform:none}
.modal__media{background:var(--paper);min-height:100%}
.modal__media img{width:100%;height:100%;object-fit:cover}
.modal__body{padding:clamp(22px,3vw,38px)}
.modal__body h3{font-size:1.5rem;margin-bottom:6px}
.modal__cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;display:block}
.modal__desc{font-size:14.5px;color:var(--text-2);margin-bottom:22px}
.modal__close{
  position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;
  background:rgba(5,13,11,.7);border:1px solid var(--line-2);display:grid;place-items:center;z-index:3;
}
.modal__close:hover{border-color:var(--accent);color:var(--accent)}
.modal .spec-table{margin-bottom:24px}
.modal .spec-table th{width:42%}
@media (max-width:860px){
  .modal__box{grid-template-columns:1fr}
  .modal__media{aspect-ratio:4/3}
}

/* ---------- 22. Product detail ---------- */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4vw,64px);align-items:start}
.pd__info h1{font-size:clamp(1.9rem,3.4vw,2.8rem);margin-bottom:16px}
.pd__meta{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-bottom:24px}
.pd__desc{color:var(--text-2);font-size:15px;margin-bottom:28px}
.pd__actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.pd__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:28px}
.pd__fact{background:var(--surface);padding:16px 18px}
.pd__fact b{display:block;font-family:var(--font-display);font-size:1.15rem;margin-bottom:3px}
.pd__fact span{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-bottom:32px;overflow-x:auto}
@media (max-width:760px){
  .tabs{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;overflow:visible;margin-bottom:26px;border-bottom:none}
  .tabs button{padding:12px 0;text-align:left;border-bottom:1px solid var(--line)}
  .tabs button.is-active{border-color:var(--accent)}
}
.tabs button{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  padding:14px 0;border-bottom:1px solid transparent;white-space:nowrap;transition:color .2s,border-color .2s;
}
.tabs button.is-active{color:var(--accent);border-color:var(--accent)}
.tab-panel{display:none}
.tab-panel.is-active{display:block}
@media (max-width:900px){
  .pd{grid-template-columns:1fr}
  .pd__facts{grid-template-columns:1fr 1fr}
}

/* ---------- 23. Case / program cards ---------- */
.case{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--paper);aspect-ratio:4/3}
.case img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out)}
.case:hover img{transform:scale(1.05)}
.case__cap{
  position:absolute;left:0;right:0;bottom:0;padding:22px;
  background:linear-gradient(180deg,transparent,rgba(4,12,9,.88));color:#fff;
}
.case__cap b{display:block;font-family:var(--font-display);font-size:1rem;margin-bottom:3px}
.case__cap span{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.7)}

/* ---------- 24. Quote / pull ---------- */
.pull{
  border-left:2px solid var(--accent);padding:6px 0 6px 26px;margin:0;
  font-family:var(--font-display);font-size:clamp(1.15rem,1.9vw,1.5rem);line-height:1.45;
  letter-spacing:-.02em;color:var(--text);font-weight:400;max-width:30ch;
}
.pull cite{display:block;margin-top:16px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-style:normal}

/* ---------- 25. Catalog toolbar ---------- */
.catalog-bar{
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:36px;
}
.catalog-bar__count{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.catalog-bar__count b{color:var(--accent)}

/* ---------- 26. Definition list ---------- */
.deflist{display:grid;gap:22px;margin-top:28px}
.deflist div{border-top:1px solid var(--line);padding-top:14px}
.deflist dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.deflist dd{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.6}


/* ---------- 27. Announcement bar ---------- */
.announce{
  background:linear-gradient(90deg,#0F6B55,#1B9C7C 45%,#3BE3B3);
  color:#04120E;font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;
  position:relative;z-index:61;
}
.announce .wrap{display:flex;align-items:center;justify-content:center;gap:14px;min-height:34px;padding-block:7px;flex-wrap:wrap;text-align:center}
.announce b{font-weight:600}
.announce a{display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid rgba(4,18,14,.4);padding-bottom:1px;font-weight:600}
.announce a:hover{border-color:#04120E}
.announce__pill{background:rgba(4,18,14,.16);padding:2px 8px;border-radius:999px;letter-spacing:.14em}
.announce__cta-short{display:none}
@media (max-width:760px){
  .announce{font-size:9.5px;letter-spacing:.04em}
  .announce .wrap{gap:8px;min-height:30px;padding-block:6px;padding-inline:14px}
  .announce__more,.announce__cta-long{display:none}
  .announce__cta-short{display:inline}
  .announce__pill{padding:1px 7px;letter-spacing:.08em}
}

/* ---------- 28. FAQ / generic responsive split ---------- */
.split-faq{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,72px)}
@media (max-width:900px){.split-faq{grid-template-columns:1fr;gap:28px}}

/* ---------- 29. 80/20 series ---------- */
.series{position:relative;overflow:hidden;border-block:1px solid var(--line);background:var(--ink-2)}
.series__bg{position:absolute;inset:0;z-index:0}
.series__bg img{width:100%;height:100%;object-fit:cover;opacity:.55}
.series__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,13,11,.97) 0%,rgba(5,13,11,.86) 46%,rgba(5,13,11,.55) 100%)}
.series .wrap{position:relative;z-index:1}
.series__layout{display:grid;grid-template-columns:1fr .82fr;gap:clamp(32px,5vw,64px);align-items:center}
.series__card{
  background:rgba(10,26,22,.86);border:1px solid var(--line-2);border-radius:var(--r-xl);
  padding:clamp(24px,3vw,34px);backdrop-filter:blur(10px);
}
.series__card h3{font-size:1.1rem;margin-bottom:18px;font-family:var(--font-body);font-weight:600;letter-spacing:0}
.ratio{display:flex;align-items:baseline;gap:10px;margin-bottom:22px}
.ratio b{font-family:var(--font-display);font-size:clamp(2.6rem,4.4vw,3.6rem);font-weight:600;letter-spacing:-.04em;line-height:1}
.ratio b:last-of-type{color:var(--accent)}
.ratio span{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);line-height:1.5}
.ratio__bar{display:grid;grid-template-columns:4fr 1fr;gap:3px;margin-bottom:22px}
.ratio__bar i{display:block;height:7px;border-radius:99px;background:rgba(232,244,238,.22)}
.ratio__bar i:last-child{background:var(--accent)}
.series__list{display:grid;gap:0}
.series__list li{
  display:grid;grid-template-columns:26px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);
  font-size:13.8px;color:var(--text-2);line-height:1.55;
}
.series__list li:last-child{border-bottom:0}
.series__list b{color:var(--accent);font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;padding-top:2px}
.new-flag{
  display:inline-flex;align-items:center;gap:7px;background:var(--accent);color:#04120E;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  padding:4px 10px;border-radius:999px;margin-left:10px;vertical-align:middle;
}
.new-flag::before{content:"";width:5px;height:5px;border-radius:50%;background:#04120E}

/* ---------- 30. Certificate cards ---------- */
.cert{
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;
  padding:24px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
  transition:border-color .3s,transform .35s var(--ease);
}
.cert:hover{border-color:var(--line-2);transform:translateY(-2px)}
.cert__mark{
  width:64px;height:64px;border-radius:14px;display:grid;place-items:center;
  background:rgba(59,227,179,.08);border:1px solid rgba(59,227,179,.22);color:var(--accent);
  font-family:var(--display);font-size:9px;text-align:center;line-height:1.2;letter-spacing:.04em;padding:6px;
}
.cert__mark svg{width:26px;height:26px}
.cert h3{font-size:.98rem;font-family:var(--font-body);font-weight:600;margin-bottom:6px;letter-spacing:0}
.cert p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
.cert__meta{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-top:12px;display:block}

@media (max-width:900px){
  .series__layout{grid-template-columns:1fr}
  .footer-word{margin-bottom:-.06em}
}

/* ---------- 31. Comparison table ---------- */
.compare{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
.compare th,.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line)}
.compare thead th{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);font-weight:400;border-bottom:1px solid var(--line-2);
}
.compare thead th.is-hl{color:var(--accent)}
.compare tbody td:first-child{color:var(--text);font-weight:500}
.compare tbody td{color:var(--text-2)}
.compare tbody td.is-hl{background:rgba(59,227,179,.05);color:var(--text)}
.compare thead th.is-hl{background:rgba(59,227,179,.05)}
.compare tr:last-child td{border-bottom:0}
@media (max-width:640px){
  .compare{min-width:0;font-size:13px}
  .compare th,.compare td{padding:12px 10px}
}

/* ---------- 32. Vertical step list ---------- */
.steps{border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:56px 1.45fr 1fr;gap:clamp(16px,3vw,40px);
  padding:clamp(20px,2.6vw,30px) 0;border-bottom:1px solid var(--line);align-items:start;
}
.step__n{font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:var(--accent);letter-spacing:.02em;padding-top:2px}
.step h3{font-family:var(--font-body);font-size:1.02rem;font-weight:600;margin-bottom:8px;letter-spacing:0}
.step p{font-size:14px;color:var(--text-2);line-height:1.62;margin:0}
.step__out{font-family:var(--mono);font-size:10.5px;line-height:1.8;color:var(--muted);border-left:1px solid var(--line-2);padding-left:20px;letter-spacing:.02em}
@media (max-width:900px){
  .step{grid-template-columns:32px 1fr;gap:14px}
  .step__out{grid-column:2;border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:10px;margin-top:2px}
}



/* ---------- 33. At-a-glance facts strip ---------- */
.facts3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.facts3__item{background:var(--ink-2);padding:clamp(18px,2.2vw,26px)}
.facts3__item b{display:block;font-family:var(--font-display);font-size:clamp(1.5rem,2.4vw,2rem);font-weight:600;letter-spacing:-.03em;line-height:1;margin-bottom:8px}
.facts3__item b i{font-style:normal;font-size:.5em;color:var(--accent);letter-spacing:.02em;margin-left:4px}
.facts3__item span{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);line-height:1.5;display:block}
@media (max-width:700px){.facts3{grid-template-columns:1fr}}