/* DEMO/MOCKUP — Volt Otogaz eco-tech design system */
:root{
  --bg:#07120b;
  --bg-2:#0a1810;
  --bg-3:#0e2015;
  --ink:#eef7f0;
  --ink-dim:#a6c0b0;
  --neon:#22c55e;
  --neon-2:#4ade80;
  --line:rgba(74,222,128,.14);
  --line-2:rgba(74,222,128,.28);
  --glow:0 0 18px rgba(34,197,94,.45),0 0 60px rgba(34,197,94,.18);
  --radius:18px;
  --font-d:"Space Grotesk",sans-serif;
  --font-b:"Inter",sans-serif;
  --wrap:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-b);
  font-size:16px;line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--neon);color:#03130a}

/* ---------- texture layers ---------- */
.grid-bg{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(74,222,128,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(74,222,128,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,transparent 75%);
}
.glow-orb{position:fixed;z-index:-3;pointer-events:none;border-radius:50%;filter:blur(90px);opacity:.5}
.glow-orb.a{width:520px;height:520px;background:radial-gradient(circle,rgba(34,197,94,.22),transparent 70%);top:-140px;right:-120px}
.glow-orb.b{width:420px;height:420px;background:radial-gradient(circle,rgba(74,222,128,.12),transparent 70%);bottom:-120px;left:-140px}

/* ---------- scroll progress ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--neon),var(--neon-2));
  box-shadow:0 0 12px rgba(34,197,94,.8)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(7,18,11,.72);
  border-bottom:1px solid var(--line);
  transition:background .3s;
}
.header-in{max-width:var(--wrap);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-d);font-weight:700;font-size:1.15rem;letter-spacing:.02em}
.brand-mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(34,197,94,.25),rgba(34,197,94,.05));
  border:1px solid var(--line-2);box-shadow:inset 0 0 18px rgba(34,197,94,.15)}
.brand-mark svg{width:24px;height:24px}
.brand small{display:block;font-family:var(--font-b);font-weight:500;font-size:.62rem;color:var(--neon-2);letter-spacing:.32em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  font-size:.85rem;font-weight:500;color:var(--ink-dim);
  padding:9px 14px;border-radius:999px;position:relative;transition:color .25s,background .25s;
}
.main-nav a:hover{color:var(--ink);background:rgba(74,222,128,.07)}
.main-nav a[aria-current="page"]{color:var(--neon-2);background:rgba(34,197,94,.1);box-shadow:inset 0 0 0 1px var(--line-2)}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:10px;width:44px;height:44px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--neon-2);transition:transform .3s,opacity .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)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-d);font-weight:600;font-size:.92rem;letter-spacing:.02em;
  padding:14px 28px;border-radius:999px;cursor:pointer;border:none;
  transition:transform .25s cubic-bezier(.2,.8,.3,1.2),box-shadow .3s,background .3s;
  will-change:transform;
}
.btn-neon{background:var(--neon);color:#03130a;box-shadow:0 0 0 rgba(34,197,94,0)}
.btn-neon:hover{box-shadow:var(--glow)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-ghost:hover{background:rgba(34,197,94,.08);box-shadow:inset 0 0 0 1px var(--neon),0 0 24px rgba(34,197,94,.2)}
.btn-sm{padding:12px 22px;font-size:.82rem;min-height:44px}
.btn svg{width:16px;height:16px}

/* ---------- typography ---------- */
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.12;font-weight:700}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-d);font-size:.75rem;font-weight:600;letter-spacing:.3em;text-transform:uppercase;
  color:var(--neon-2);margin-bottom:18px;
}
.kicker::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--neon-2))}
.sec-title{font-size:clamp(1.9rem,4.2vw,3.1rem);letter-spacing:-.02em;margin-bottom:16px}
.sec-title .hl{color:var(--neon-2);text-shadow:0 0 24px rgba(74,222,128,.35)}
.sec-lead{color:var(--ink-dim);max-width:640px;font-size:1.05rem}
.outline-txt{color:transparent;-webkit-text-stroke:1px rgba(74,222,128,.5)}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
section{position:relative;padding:100px 0}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.sec-head.center .sec-lead{margin:0 auto}
.sec-head.center .kicker::before{display:none}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;padding:150px 0 90px;overflow:hidden}
.hero-bgimg{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero-bgimg img{width:100%;height:118%;object-fit:cover;opacity:.16;will-change:transform;
  mask-image:linear-gradient(180deg,#000 30%,transparent 95%);-webkit-mask-image:linear-gradient(180deg,#000 30%,transparent 95%)}
.hero-bgimg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,18,11,.35),var(--bg) 92%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;min-width:0}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);letter-spacing:-.03em;margin:18px 0 24px}
.hero h1 .hl{color:var(--neon-2);text-shadow:0 0 30px rgba(74,222,128,.4)}
.hero-sub{color:var(--ink-dim);font-size:1.12rem;max-width:520px;margin-bottom:36px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-badges{display:flex;gap:26px;margin-top:48px;flex-wrap:wrap}
.hero-badge{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--ink-dim)}
.hero-badge svg{width:18px;height:18px;flex:none}
.hero-visual{position:relative;min-width:0}
.hero-card{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 60px rgba(34,197,94,.12);
  transform:rotate(2deg);
}
.hero-card img{width:100%;height:440px;object-fit:cover;filter:saturate(.9) contrast(1.05)}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(34,197,94,.18),transparent 45%,rgba(7,18,11,.55))}
.float-chip{
  position:absolute;padding:14px 18px;border-radius:16px;z-index:2;
  background:rgba(10,24,16,.9);backdrop-filter:blur(8px);
  border:1px solid var(--line-2);box-shadow:0 12px 40px rgba(0,0,0,.45);
  font-family:var(--font-d);font-size:.85rem;font-weight:600;
  display:flex;align-items:center;gap:10px;
}
.float-chip .big{font-size:1.35rem;color:var(--neon-2);text-shadow:0 0 16px rgba(74,222,128,.45)}
.float-chip.c1{top:26px;left:-34px;animation:bob 5s ease-in-out infinite}
.float-chip.c2{bottom:40px;right:-24px;animation:bob 6s ease-in-out 1s infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* decorative rotating SVGs (parallax spin) */
.spin-decor{position:absolute;z-index:0;pointer-events:none;opacity:.5;will-change:transform}
.spin-decor svg{width:100%;height:100%}

/* ---------- marquee ---------- */
.marquee-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(34,197,94,.06),rgba(34,197,94,.02),rgba(34,197,94,.06));
  overflow:hidden;padding:20px 0;position:relative;
}
.marquee-track{display:flex;gap:0;width:max-content;animation:marquee 26s linear infinite}
.marquee-band:hover .marquee-track{animation-play-state:paused}
.marquee-track span{
  font-family:var(--font-d);font-weight:700;font-size:1.3rem;letter-spacing:.14em;
  white-space:nowrap;padding:0 18px;display:flex;align-items:center;gap:36px;
}
.marquee-track span i{font-style:normal;color:var(--neon);text-shadow:0 0 14px rgba(34,197,94,.8);font-size:.8em}
.marquee-track .ghost{color:transparent;-webkit-text-stroke:1px rgba(74,222,128,.65)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* logo marquee */
.logo-marquee{overflow:hidden;padding:26px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.logo-track{display:flex;align-items:center;gap:54px;width:max-content;animation:marquee 90s linear infinite}
.logo-track img{height:44px;width:auto;opacity:.75;filter:grayscale(1) brightness(2.2);transition:opacity .3s,filter .3s}
.logo-track img:hover{opacity:1;filter:grayscale(0) brightness(1.1)}
.logo-track span{
  font-family:var(--font-d);font-weight:600;font-size:.95rem;letter-spacing:.16em;
  white-space:nowrap;color:var(--ink-dim);border:1px solid var(--line);
  border-radius:999px;padding:11px 22px;background:rgba(34,197,94,.04);
  transition:color .3s,border-color .3s;
}
.logo-track span:hover{color:var(--neon-2);border-color:rgba(74,222,128,.5)}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tilt-card{
  position:relative;border-radius:var(--radius);padding:30px;
  background:linear-gradient(160deg,var(--bg-2),var(--bg-3));
  border:1px solid var(--line);
  transition:border-color .3s,box-shadow .3s;
  transform-style:preserve-3d;will-change:transform;
}
.tilt-card:hover{border-color:var(--line-2);box-shadow:0 0 0 1px rgba(34,197,94,.25),0 20px 60px rgba(0,0,0,.4),0 0 50px rgba(34,197,94,.12)}
.tilt-card .card-num{
  font-family:var(--font-d);font-size:.75rem;font-weight:600;letter-spacing:.25em;
  color:var(--neon-2);opacity:.7;margin-bottom:20px;display:block;
}
.card-icon{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:22px;
  background:rgba(34,197,94,.1);border:1px solid var(--line-2);
  box-shadow:inset 0 0 20px rgba(34,197,94,.1);
}
.card-icon svg{width:26px;height:26px}
.tilt-card h3{font-size:1.25rem;margin-bottom:12px}
.tilt-card p{color:var(--ink-dim);font-size:.94rem}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;min-height:44px;font-family:var(--font-d);font-size:.85rem;font-weight:600;color:var(--neon-2)}
.card-link svg{width:14px;height:14px;transition:transform .25s}
.tilt-card:hover .card-link svg{transform:translateX(5px)}

/* ---------- calculator ---------- */
.calc-shell{
  border-radius:28px;padding:2px;
  background:linear-gradient(140deg,rgba(34,197,94,.5),rgba(34,197,94,.05) 40%,rgba(34,197,94,.35));
}
.calc-box{
  border-radius:26px;background:linear-gradient(160deg,#0a1a10,#081409);
  padding:clamp(28px,5vw,56px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,64px);align-items:center;
  position:relative;overflow:hidden;
}
.calc-box::before{
  content:"";position:absolute;top:-120px;right:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,197,94,.18),transparent 70%);pointer-events:none;
}
.calc-label{display:flex;justify-content:space-between;align-items:baseline;margin:34px 0 14px;font-size:.92rem;color:var(--ink-dim)}
.calc-label output{font-family:var(--font-d);font-size:1.5rem;font-weight:700;color:var(--ink)}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;outline:none;
  background:linear-gradient(90deg,var(--neon) var(--fill,50%),rgba(74,222,128,.15) var(--fill,50%));
  cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:30px;height:30px;border-radius:50%;
  background:var(--neon-2);border:4px solid #06170c;
  box-shadow:0 0 0 1px var(--neon),0 0 20px rgba(34,197,94,.8);
}
input[type=range]::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;background:var(--neon-2);border:4px solid #06170c;
  box-shadow:0 0 0 1px var(--neon),0 0 20px rgba(34,197,94,.8);
}
.calc-results{display:grid;gap:16px}
.calc-tile{
  border-radius:18px;padding:22px 26px;
  background:rgba(34,197,94,.06);border:1px solid var(--line);
}
.calc-tile.big{background:rgba(34,197,94,.12);border-color:var(--line-2);box-shadow:inset 0 0 40px rgba(34,197,94,.08)}
.calc-tile .t-label{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:6px}
.calc-tile .t-value{font-family:var(--font-d);font-weight:700;font-size:clamp(1.6rem,3vw,2.4rem);color:var(--neon-2);text-shadow:0 0 22px rgba(74,222,128,.35)}
.calc-tile.big .t-value{font-size:clamp(2rem,4vw,3rem)}
.calc-note{font-size:.78rem;color:var(--ink-dim);margin-top:8px}

/* ---------- counters ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.stat-cell{padding:38px 16px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(34,197,94,.05),transparent)}
.stat-num{font-family:var(--font-d);font-weight:700;font-size:clamp(2.2rem,4.5vw,3.4rem);color:var(--neon-2);text-shadow:0 0 26px rgba(74,222,128,.4);letter-spacing:-.02em}
.stat-lbl{margin-top:8px;font-size:.85rem;color:var(--ink-dim);letter-spacing:.08em;text-transform:uppercase}

/* ---------- split (about/media) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.media-frame{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line-2)}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.media-frame:hover img{transform:scale(1.05)}
.media-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(190deg,rgba(34,197,94,.12),transparent 40%,rgba(7,18,11,.45));pointer-events:none}
.check-list li{display:flex;gap:14px;align-items:flex-start;padding:10px 0;color:var(--ink-dim)}
.check-list li strong{color:var(--ink)}
.check-list svg{width:20px;height:20px;flex:none;margin-top:3px}

/* ---------- service detail blocks ---------- */
.svc-block{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,70px);align-items:center;padding:70px 0;border-bottom:1px dashed var(--line)}
.svc-block:last-of-type{border-bottom:none}
.svc-block.flip .svc-media{order:2}
.svc-tag{display:inline-block;font-family:var(--font-d);font-size:.72rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--neon-2);border:1px solid var(--line-2);border-radius:99px;padding:7px 16px;margin-bottom:18px;background:rgba(34,197,94,.07)}
.svc-block h2{font-size:clamp(1.6rem,3.2vw,2.4rem);margin-bottom:16px;letter-spacing:-.02em}
.svc-block p{color:var(--ink-dim);margin-bottom:14px}
.svc-media{position:relative}
.svc-media .media-frame{aspect-ratio:4/3}
.svc-media .corner{position:absolute;width:60px;height:60px;border:2px solid var(--neon);opacity:.5}
.svc-media .corner.tl{top:-12px;left:-12px;border-right:none;border-bottom:none;border-radius:14px 0 0 0}
.svc-media .corner.br{bottom:-12px;right:-12px;border-left:none;border-top:none;border-radius:0 0 14px 0}
.svc-feats{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin:22px 0}
.svc-feats li{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--ink-dim)}
.svc-feats svg{width:16px;height:16px;flex:none}

/* ---------- accordion ---------- */
.acc-item{border:1px solid var(--line);border-radius:16px;margin-bottom:14px;background:linear-gradient(160deg,var(--bg-2),transparent);overflow:hidden;transition:border-color .3s,box-shadow .3s}
.acc-item.open{border-color:var(--line-2);box-shadow:0 0 40px rgba(34,197,94,.08)}
.acc-btn{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;
  background:none;border:none;cursor:pointer;text-align:left;
  padding:22px 26px;color:var(--ink);
  font-family:var(--font-d);font-weight:600;font-size:1.05rem;
}
.acc-btn .acc-ico{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--neon-2);
  transition:transform .35s cubic-bezier(.2,.8,.3,1.2),background .3s;
  font-family:var(--font-b);font-size:1.2rem;font-weight:400;
}
.acc-item.open .acc-ico{transform:rotate(45deg);background:rgba(34,197,94,.15)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.4,0,.2,1)}
.acc-panel p{padding:0 26px 24px;color:var(--ink-dim);max-width:760px}

/* ---------- forms ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;background:rgba(34,197,94,.04);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;color:var(--ink);font-family:var(--font-b);font-size:.95rem;
  transition:border-color .3s,box-shadow .3s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(34,197,94,.15)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234ade80' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.field select option{background:var(--bg-2);color:var(--ink)}
.form-ok{display:none;margin-top:18px;padding:16px 20px;border-radius:12px;border:1px solid var(--line-2);background:rgba(34,197,94,.12);color:var(--neon-2);font-weight:600}
.form-ok.show{display:block}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,60px);align-items:start}
.info-tile{display:flex;gap:18px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:16px;margin-bottom:16px;background:linear-gradient(160deg,var(--bg-2),transparent);transition:border-color .3s,box-shadow .3s}
.info-tile:hover{border-color:var(--line-2);box-shadow:0 0 30px rgba(34,197,94,.1)}
.info-tile .card-icon{margin:0;width:48px;height:48px;flex:none}
.info-tile h3{font-size:1rem;margin-bottom:4px}
.info-tile p,.info-tile a{color:var(--ink-dim);font-size:.92rem}
.info-tile a:hover{color:var(--neon-2)}
.map-frame{border-radius:22px;overflow:hidden;border:1px solid var(--line-2);height:380px;position:relative}
.map-frame iframe{width:100%;height:100%;border:0;filter:grayscale(.9) invert(.92) hue-rotate(90deg) saturate(2.2) brightness(.9)}

/* ---------- gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gallery-grid .media-frame{aspect-ratio:4/3;border-radius:16px}
.gallery-grid .media-frame:nth-child(1){grid-column:span 2;grid-row:span 2;aspect-ratio:auto}

/* ---------- parallax band ---------- */
.prx-band{
  position:relative;overflow:hidden;border-radius:28px;
  height:clamp(260px,40vh,420px);
  border:1px solid var(--line-2);
}
.prx-band img{
  position:absolute;left:0;top:-14%;width:100%;height:128%;
  object-fit:cover;filter:saturate(.85) contrast(1.05);will-change:transform;
}
.prx-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,18,11,.3),rgba(7,18,11,.78) 88%),
             radial-gradient(circle at 82% 18%,rgba(34,197,94,.2),transparent 55%);
}
.prx-band .prx-cap{
  position:absolute;left:0;right:0;bottom:28px;z-index:2;text-align:center;padding:0 20px;
}
.prx-band .prx-cap strong{
  display:block;font-family:var(--font-d);font-weight:700;
  font-size:clamp(1.2rem,2.6vw,1.8rem);letter-spacing:.02em;
  text-shadow:0 2px 18px rgba(0,0,0,.6);
}
.prx-band .prx-cap span{color:var(--ink-dim);font-size:.9rem}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:28px;position:relative;overflow:hidden;text-align:center;
  padding:clamp(48px,7vw,90px) 30px;
  background:linear-gradient(150deg,#0c2113,#07120b 60%);
  border:1px solid var(--line-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 20%,rgba(34,197,94,.16),transparent 40%),radial-gradient(circle at 85% 80%,rgba(34,197,94,.14),transparent 40%);
}
.cta-band h2{font-size:clamp(1.8rem,4vw,3rem);margin-bottom:16px;position:relative}
.cta-band p{color:var(--ink-dim);margin-bottom:32px;position:relative}
.cta-band .hero-cta{justify-content:center;position:relative}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding:170px 0 70px;position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(2.4rem,5.5vw,4rem);letter-spacing:-.03em;margin-bottom:18px}
.page-hero h1 .hl{color:var(--neon-2);text-shadow:0 0 28px rgba(74,222,128,.4)}
.crumbs{display:flex;gap:10px;font-size:.82rem;color:var(--ink-dim);margin-bottom:22px;font-family:var(--font-d);letter-spacing:.08em;text-transform:uppercase}
.crumbs a:hover{color:var(--neon-2)}
.crumbs span{color:var(--neon)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:60px;background:linear-gradient(180deg,transparent,rgba(34,197,94,.04))}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-top:70px;padding-bottom:50px}
.site-footer h4{font-size:.85rem;letter-spacing:.2em;text-transform:uppercase;color:var(--neon-2);margin-bottom:20px}
.site-footer li{margin-bottom:10px}
.site-footer li a{color:var(--ink-dim);font-size:.92rem;display:inline-block;padding:5px 0;transition:color .25s,padding-left .25s}
.site-footer li a:hover{color:var(--neon-2);padding-left:6px}
.site-footer p{color:var(--ink-dim);font-size:.92rem}
.footer-bottom{border-top:1px solid var(--line);padding-top:24px;padding-bottom:24px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.8rem;color:var(--ink-dim)}
.footer-bottom .hl{color:var(--neon-2)}

/* ---------- reveal animations ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal-l{opacity:0;transform:translateX(-46px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal-r{opacity:0;transform:translateX(46px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal-l.in,.reveal-r.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .hero-grid,.split,.svc-block,.calc-box,.contact-grid{grid-template-columns:1fr}
  .svc-block.flip .svc-media{order:0}
  .card-grid{grid-template-columns:1fr 1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .hero-visual{max-width:520px}
  .float-chip.c1{left:-8px}
  .float-chip.c2{right:-8px}
}
@media (max-width:760px){
  section{padding:70px 0}
  .main-nav{
    position:fixed;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(7,18,11,.97);border-bottom:1px solid var(--line-2);
    padding:20px 24px 28px;gap:8px;
    transform:translateY(-130%);transition:transform .4s cubic-bezier(.2,.8,.2,1);
    backdrop-filter:blur(16px);
  }
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:13px 16px;font-size:1rem}
  .nav-cta{margin:8px 0 0}
  .nav-toggle{display:flex}
  .card-grid{grid-template-columns:1fr}
  .hero{padding-top:120px}
  .hero-card{transform:none}
  .footer-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .svc-feats{grid-template-columns:1fr}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal,.reveal-l,.reveal-r{opacity:1;transform:none}
  .marquee-track,.logo-track{animation:none}
  .float-chip{animation:none}
  .prx-band img{transform:none !important}
}