/* TANKPRO landing redesign: light image-led industrial system */
:root{
  --bg:#f5f8fb;
  --paper:#ffffff;
  --paper-soft:#f9fbfd;
  --ink:#0b1724;
  --ink-2:#203447;
  --muted:#667789;
  --line:#dce5ee;
  --line-strong:#bfccd8;
  --brand:#0b6b78;
  --brand-2:#08a0b4;
  --accent:#ffb020;
  --accent-2:#ffcf5a;
  --danger:#e04444;
  --success:#24945a;
  --radius:8px;
  --maxw:1240px;
  --shadow:0 18px 45px rgba(15,35,52,.12);
  --shadow-soft:0 10px 26px rgba(15,35,52,.08);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --img-hero:url("visuals-soft-reservoirs-36/36_engineering_turnkey_storage_facility.png");
  --img-water:url("visuals-soft-reservoirs-36/01_water_technical.png");
  --img-water-drink:url("visuals-soft-reservoirs-36/02_water_drinking.png");
  --img-water-temp:url("visuals-soft-reservoirs-36/03_water_temporary_reserve.png");
  --img-water-arctic:url("visuals-soft-reservoirs-36/04_water_arctic.png");
  --img-fire:url("visuals-soft-reservoirs-36/05_fire_water_reserve.png");
  --img-fire-mobile:url("visuals-soft-reservoirs-36/06_fire_mobile_reserve.png");
  --img-fire-build:url("visuals-soft-reservoirs-36/07_fire_construction_site.png");
  --img-fire-factory:url("visuals-soft-reservoirs-36/08_fire_factory_reserve.png");
  --img-oil:url("visuals-soft-reservoirs-36/09_petroleum_crude_oil.png");
  --img-diesel:url("visuals-soft-reservoirs-36/10_petroleum_diesel.png");
  --img-petrol:url("visuals-soft-reservoirs-36/11_petroleum_gasoline_flammable.png");
  --img-dark-oil:url("visuals-soft-reservoirs-36/12_petroleum_oils_dark_products.png");
  --img-single:url("visuals-soft-reservoirs-36/13_fuel_depot_single_tank.png");
  --img-depot-1000:url("visuals-soft-reservoirs-36/14_fuel_depot_1000m3.png");
  --img-depot-5000:url("visuals-soft-reservoirs-36/15_fuel_depot_5000m3.png");
  --img-depot-10000:url("visuals-soft-reservoirs-36/16_fuel_depot_10000m3.png");
  --img-agro:url("visuals-soft-reservoirs-36/17_agro_kas32.png");
  --img-agro-liquid:url("visuals-soft-reservoirs-36/18_agro_liquid_fertilizer.png");
  --img-agro-season:url("visuals-soft-reservoirs-36/19_agro_seasonal_storage.png");
  --img-agro-kit:url("visuals-soft-reservoirs-36/20_agro_farmer_kit.png");
  --img-industrial:url("visuals-soft-reservoirs-36/21_industrial_reagents.png");
  --img-technical:url("visuals-soft-reservoirs-36/22_industrial_technical_liquids.png");
  --img-waste:url("visuals-soft-reservoirs-36/23_industrial_wastewater_process_water.png");
  --img-process:url("visuals-soft-reservoirs-36/24_industrial_temporary_process_storage.png");
  --img-emergency:url("visuals-soft-reservoirs-36/25_emergency_larn_oil_response.png");
  --img-drain:url("visuals-soft-reservoirs-36/26_emergency_drain_from_tank.png");
  --img-contaminated:url("visuals-soft-reservoirs-36/27_emergency_contaminated_water.png");
  --img-container:url("visuals-soft-reservoirs-36/28_emergency_containerized_kit.png");
  --img-remote-arctic:url("visuals-soft-reservoirs-36/29_remote_arctic_grade.png");
  --img-winter:url("visuals-soft-reservoirs-36/30_remote_winter_road.png");
  --img-drilling:url("visuals-soft-reservoirs-36/31_remote_drilling_site.png");
  --img-quarry:url("visuals-soft-reservoirs-36/32_remote_quarry_mining.png");
  --img-berm:url("visuals-soft-reservoirs-36/33_engineering_berm_liner.png");
  --img-pump:url("visuals-soft-reservoirs-36/34_engineering_pump_station.png");
  --img-sensor:url("visuals-soft-reservoirs-36/35_engineering_sensors_monitoring.png");
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-width:320px;
  font-family:var(--font);
  color:var(--ink);
  background:
    linear-gradient(90deg,rgba(11,107,120,.04) 1px,transparent 1px),
    linear-gradient(180deg,rgba(11,107,120,.04) 1px,transparent 1px),
    var(--bg);
  background-size:44px 44px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:13px 20px;border-radius:8px;border:1px solid transparent;
  font-size:15px;font-weight:800;line-height:1;white-space:nowrap;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#211401;box-shadow:0 12px 24px rgba(255,176,32,.26)}
.btn-outline{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:rgba(11,107,120,.08);color:var(--brand);border-color:rgba(11,107,120,.12)}
.btn-sm{min-height:38px;padding:10px 15px;font-size:14px}
.btn-lg{min-height:52px;padding:16px 24px;font-size:16px}

.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(191,204,216,.72);
}
.header-inner{height:72px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:38px;height:38px}
.logo-text{font-size:21px;font-weight:900;letter-spacing:.2px}
.logo-text b{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:20px;flex:1;margin-left:8px}
.main-nav a{font-size:14px;font-weight:700;color:var(--muted);transition:color .18s}
.main-nav a:hover{color:var(--brand)}
.header-cta{display:flex;align-items:center;gap:12px;margin-left:auto}
.header-phone{font-weight:900;color:var(--ink)}
.burger{display:none;flex-direction:column;gap:5px;padding:8px;border:0;background:transparent;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:10px;transition:.2s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{
  position:relative;
  min-height:auto;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 420px at 18% 18%,rgba(8,160,180,.16),transparent 58%),
    linear-gradient(180deg,#fdfefe 0%,#edf6f8 100%);
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,transparent,rgba(245,248,251,.95));
  pointer-events:none;
}
.hero-grid-bg{display:none}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center;
  padding:20px 24px 28px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;
  padding:8px 12px;border:1px solid rgba(11,107,120,.18);border-radius:999px;
  background:rgba(255,255,255,.68);box-shadow:0 6px 18px rgba(15,35,52,.06);
  color:var(--brand);font-size:13px;font-weight:800;
}
.eyebrow .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(255,176,32,.22)}
.hero h1{
  max-width:720px;
  font-size:clamp(31px,3.35vw,44px);
  line-height:1.02;
  letter-spacing:-1.3px;
  font-weight:900;
}
.hero h1 .hl{color:var(--brand)}
.hero-sub{max-width:650px;margin-top:17px;color:var(--ink-2);font-size:clamp(15px,1.25vw,17px)}
.hero-sub b{color:var(--brand);font-weight:900}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  margin-top:18px;
}
.stat{
  background:rgba(255,255,255,.78);
  border:1px solid rgba(191,204,216,.72);
  border-radius:8px;
  padding:8px 10px;
  box-shadow:var(--shadow-soft);
}
.stat-num{font-family:var(--mono);font-size:clamp(16px,1.45vw,20px);font-weight:900;color:var(--ink)}
.stat-num span{font-size:12px;color:var(--brand)}
.stat-cap{margin-top:5px;color:var(--muted);font-size:12.5px;line-height:1.3}
.hero-visual{display:flex;flex-direction:column;gap:14px}
.render-card{
  min-height:340px;
  position:relative;
  overflow:hidden;
  border-radius:8px;
  border:1px solid rgba(191,204,216,.8);
  box-shadow:var(--shadow);
  background-image:
    linear-gradient(180deg,rgba(5,18,28,.08),rgba(5,18,28,.18)),
    var(--img-hero);
  background-size:cover;
  background-position:center;
}
.render-card::before{
  content:"";
  position:absolute;inset:auto 0 0 0;height:46%;
  background:linear-gradient(180deg,transparent,rgba(4,18,28,.82));
}
.render-badge{
  position:absolute;top:18px;left:18px;z-index:2;
  padding:8px 12px;border-radius:8px;background:rgba(255,255,255,.88);
  color:var(--brand);font-family:var(--mono);font-size:11px;font-weight:800;letter-spacing:.6px;
  box-shadow:var(--shadow-soft);
}
.render-svg{display:none}
.render-tags{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;flex-wrap:wrap;gap:8px;
}
.render-tags span{
  padding:7px 10px;border-radius:8px;background:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.36);
  color:#0e2432;font-size:12px;font-weight:800;
}
.trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.trust-strip div{
  padding:14px 12px;border:1px solid rgba(191,204,216,.8);border-radius:8px;
  background:rgba(255,255,255,.82);text-align:center;color:var(--muted);font-size:12.5px;box-shadow:var(--shadow-soft);
}
.trust-strip b{display:block;color:var(--brand);font-family:var(--mono);font-size:22px}

.industries{
  padding:24px 0;
  background:#fff;
  border-block:1px solid var(--line);
}
.industries-label{text-align:center;text-transform:uppercase;letter-spacing:1.4px;color:var(--brand);font-family:var(--mono);font-size:12px;font-weight:800;margin-bottom:13px}
.industries-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.industries-row span{
  padding:8px 12px;border-radius:999px;background:#eef7f8;border:1px solid rgba(11,107,120,.12);
  color:#335467;font-size:13px;font-weight:800;
}

.section{padding:82px 0}
.section-alt{background:#fff}
.section-dark{
  background:linear-gradient(135deg,#072330,#0b4f5d);
  color:#fff;
  border-block:1px solid rgba(255,255,255,.08);
}
.section-head{max-width:840px;margin-bottom:40px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:1.2px;text-transform:uppercase;color:var(--brand);font-weight:900;margin-bottom:10px}
.section-dark .kicker{color:var(--accent-2)}
.section-head h2{font-size:clamp(26px,3vw,42px);line-height:1.08;letter-spacing:-.7px;font-weight:900}
.section-lead{margin-top:14px;color:var(--muted);font-size:16px;max-width:820px}
.section-dark .section-lead{color:rgba(255,255,255,.74)}
.muted{color:var(--muted)}

.liquid-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.liquid-card{
  --card-img:var(--img-water);
  min-height:370px;
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:20px;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  box-shadow:var(--shadow-soft);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.liquid-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:58%;
  background-image:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.12)),var(--card-img);
  background-size:cover;background-position:center;
}
.liquid-card::after{
  content:"";position:absolute;inset:42% 0 0 0;
  background:linear-gradient(180deg,rgba(255,255,255,.84),#fff 38%);
}
.liquid-card>*{position:relative;z-index:1}
.liquid-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(11,107,120,.28)}
.liquid-card[data-liquid="fire"]{--card-img:var(--img-fire)}
.liquid-card[data-liquid="fuel"]{--card-img:var(--img-oil)}
.liquid-card[data-liquid="diesel"]{--card-img:var(--img-diesel)}
.liquid-card[data-liquid="petrol"]{--card-img:var(--img-petrol)}
.liquid-card[data-liquid="oil"]{--card-img:var(--img-dark-oil)}
.liquid-card[data-liquid="agro"]{--card-img:var(--img-agro)}
.liquid-card[data-liquid="industrial"]{--card-img:var(--img-industrial)}
.liquid-card[data-liquid="emergency"]{--card-img:var(--img-emergency)}
.lc-icon{
  width:42px;height:42px;display:grid;place-items:center;margin-bottom:12px;
  border-radius:8px;background:#eef7f8;border:1px solid rgba(11,107,120,.12);font-size:22px;
}
.liquid-card h3{font-size:20px;line-height:1.16;margin-bottom:8px;font-weight:900;color:var(--ink)}
.liquid-card p{min-height:56px;color:var(--muted);font-size:14px}
.lc-cta{display:inline-flex;margin-top:16px;color:var(--brand);font-weight:900;font-size:14px}

.solution-grid,.mods-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solution-card,.mod-card{
  position:relative;min-height:260px;overflow:hidden;
  border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow-soft);
  padding:154px 20px 20px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.solution-card::before,.mod-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:138px;
  background-image:linear-gradient(180deg,rgba(6,25,38,.06),rgba(6,25,38,.18)),var(--img-single);
  background-size:cover;background-position:center;
}
.solution-card:hover,.mod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(11,107,120,.25)}
.solution-card:nth-child(2)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-container)}
.solution-card:nth-child(3)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-depot-10000)}
.solution-card:nth-child(4)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-process)}
.solution-card:nth-child(5)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-emergency)}
.solution-card:nth-child(6)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-agro-season)}
.solution-card:nth-child(7)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-depot-1000)}
.solution-card:nth-child(8)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-fire-factory)}
.solution-card:nth-child(9)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-berm)}
.sc-tag{
  display:inline-flex;margin-bottom:11px;padding:5px 9px;border-radius:8px;background:#eef7f8;
  color:var(--brand);font-family:var(--mono);font-size:11px;font-weight:900;letter-spacing:.5px;
}
.solution-card h3,.mod-card .mod-name{font-size:18px;line-height:1.18;margin-bottom:8px;font-weight:900;color:var(--ink)}
.solution-card p,.mod-card p{font-size:14px;color:var(--muted)}
.mod-name{font-family:var(--mono)}
.mod-name span{color:var(--brand)}
.mod-card:nth-child(1)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-water-temp)}
.mod-card:nth-child(2)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-agro-liquid)}
.mod-card:nth-child(3)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-water-drink)}
.mod-card:nth-child(4)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-diesel)}
.mod-card:nth-child(5)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-dark-oil)}
.mod-card:nth-child(6)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-remote-arctic)}
.mod-card:nth-child(7)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-fire)}
.mod-card:nth-child(8)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-drain)}
.mod-card:nth-child(9)::before{background-image:linear-gradient(180deg,rgba(6,25,38,.04),rgba(6,25,38,.16)),var(--img-technical)}

.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  box-shadow:var(--shadow-soft);
}
table{width:100%;min-width:720px;border-collapse:collapse}
th,td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
thead th{background:#edf6f8;color:#18394a;font-weight:900}
tbody td:first-child{font-weight:900;color:var(--ink-2)}
tbody tr:hover{background:#f7fbfc}
.section-dark .table-wrap{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);box-shadow:none}
.section-dark thead th{background:rgba(255,255,255,.12);color:#fff}
.section-dark th,.section-dark td{border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.86)}
.compare-table .win{color:var(--accent-2);font-weight:900}
.table-note{margin-top:14px;color:var(--muted);font-size:13px}
.section-dark .table-note{color:rgba(255,255,255,.64)}

.how-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:stretch}
.how-svg-wrap{
  min-height:520px;border-radius:8px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft);
  background-image:linear-gradient(180deg,rgba(255,255,255,.05),rgba(4,18,28,.12)),var(--img-berm);
  background-size:cover;background-position:center;
}
.how-svg{display:none}
.how-list{list-style:none;counter-reset:howc;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.how-list li{
  counter-increment:howc;position:relative;padding:14px 14px 14px 48px;border:1px solid var(--line);
  border-radius:8px;background:#fff;color:var(--muted);font-size:14px;box-shadow:0 6px 16px rgba(15,35,52,.05);
}
.how-list li b{display:block;color:var(--ink);margin-bottom:2px}
.how-list li::before{
  content:counter(howc);position:absolute;left:13px;top:15px;width:24px;height:24px;border-radius:7px;
  display:grid;place-items:center;background:var(--brand);color:#fff;font-family:var(--mono);font-size:12px;font-weight:900;
}

.benefit-grid,.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.benefit,.trust-card{
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:var(--shadow-soft);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.benefit:hover,.trust-card:hover{transform:translateY(-3px);border-color:rgba(11,107,120,.24);box-shadow:var(--shadow)}
.b-ico{width:40px;height:40px;display:grid;place-items:center;background:#eef7f8;border-radius:8px;margin-bottom:14px;font-size:22px}
.benefit h3,.trust-card b{display:block;font-size:16px;line-height:1.22;margin-bottom:7px;color:var(--ink);font-weight:900}
.benefit p,.trust-card p{color:var(--muted);font-size:13.5px}
.trust-card{border-top:4px solid var(--brand)}

.kit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kit-card{
  min-height:88px;display:flex;align-items:center;gap:12px;padding:18px;border-radius:8px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-soft);font-weight:900;color:var(--ink-2);
}
.kit-card span{font-size:24px}

.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scenario-card{
  overflow:hidden;border-radius:8px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(11,107,120,.25)}
.sc-photo{
  height:180px;display:flex;align-items:flex-end;padding:12px;color:#fff;font-family:var(--mono);font-size:11px;font-weight:900;
  background-size:cover;background-position:center;
  background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-water);
}
.sc-photo{font-size:0}
.scenario-card h3{padding:17px 16px 5px;font-size:17px;line-height:1.18;font-weight:900}
.scenario-card p{padding:0 16px 18px;color:var(--muted);font-size:13.5px}
.s-arctic .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-remote-arctic)}
.s-build .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-diesel)}
.s-agro .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-agro-season)}
.s-fuel .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-depot-5000)}
.s-mine .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-quarry)}
.s-emerg .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-drain)}
.s-fire .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-fire-build)}
.s-water .sc-photo{background-image:linear-gradient(180deg,rgba(6,25,38,.08),rgba(6,25,38,.62)),var(--img-water-drink)}

.calc{
  display:grid;grid-template-columns:1fr 360px;gap:22px;padding:24px;border:1px solid rgba(255,255,255,.18);
  border-radius:8px;background:rgba(255,255,255,.08);box-shadow:0 20px 60px rgba(0,0,0,.18);
}
.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}
.field{display:flex;flex-direction:column;gap:7px}
.field label{color:rgba(255,255,255,.76);font-size:13px;font-weight:800}
.field-checks{grid-column:1/-1}
.checks{display:flex;flex-wrap:wrap;gap:10px}
.chk{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:rgba(255,255,255,.08);font-size:13px;font-weight:700;color:#fff;cursor:pointer}
.chk input{width:16px;height:16px;accent-color:var(--accent)}
input,select,textarea{
  width:100%;min-height:46px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);
  padding:12px 13px;font:inherit;font-size:14.5px;transition:border-color .18s,box-shadow .18s;
}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(8,160,180,.18)}
input.invalid,select.invalid{border-color:var(--danger);box-shadow:0 0 0 3px rgba(224,68,68,.14)}
.calc-result{
  align-self:start;padding:20px;border-radius:8px;background:#fff;color:var(--ink);box-shadow:var(--shadow-soft);
}
.cr-head{margin-bottom:13px;color:var(--brand);font-family:var(--mono);font-size:12px;font-weight:900;letter-spacing:1px;text-transform:uppercase}
.cr-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line)}
.cr-row span{color:var(--muted);font-size:13px}.cr-row b{text-align:right;font-size:14px}
.cr-price b{font-family:var(--mono);font-size:16px;color:var(--brand)}
.cr-note{margin-top:13px;color:var(--muted);font-size:12.5px}
.calc-contact{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:12px;border-top:1px solid rgba(255,255,255,.16);padding-top:20px}
.form-status{grid-column:1/-1;min-height:20px;font-weight:800;font-size:14px}
.form-status.ok{color:#67e1a1}.form-status.err{color:#ff8989}
.privacy-note{grid-column:1/-1;color:rgba(255,255,255,.58);font-size:12px}

.faq-list{display:grid;gap:12px;max-width:940px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 18px rgba(15,35,52,.05);overflow:hidden}
.faq-item summary{list-style:none;position:relative;cursor:pointer;padding:18px 52px 18px 20px;font-weight:900}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--brand);transition:.18s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item div{padding:0 20px 20px;color:var(--muted);font-size:14.5px}

.final-cta{
  position:relative;overflow:hidden;padding:86px 0;background:#fff;border-top:1px solid var(--line);
}
.final-cta::before{
  content:"";position:absolute;inset:0 44% 0 0;
  background-image:linear-gradient(90deg,rgba(6,25,38,.7),rgba(6,25,38,.18)),var(--img-pump);
  background-size:cover;background-position:center;
}
.final-inner{position:relative;display:grid;grid-template-columns:1fr 480px;gap:44px;align-items:start}
.final-copy{color:#fff;max-width:560px;padding:8px 0}
.final-copy h2{font-size:clamp(28px,3.3vw,46px);line-height:1.06;font-weight:900;letter-spacing:-.7px}
.final-copy p{margin-top:14px;font-size:17px;color:rgba(255,255,255,.82)}
.final-points{list-style:none;display:grid;gap:12px;margin-top:22px}
.final-points li{position:relative;padding-left:30px;font-weight:800}
.final-points li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:6px;background:var(--accent)}
.final-form{display:grid;gap:12px;padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow)}
.final-form .privacy-note{color:var(--muted)}
.final-form .form-status.ok{color:var(--success)}.final-form .form-status.err{color:var(--danger)}

.footer{background:#07151f;color:#fff;padding:54px 0 0}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:30px}
.footer-brand p{max-width:360px;margin-top:12px;color:rgba(255,255,255,.62);font-size:13.5px}
.footer-col h4{margin-bottom:13px;color:rgba(255,255,255,.5);font-size:12px;font-weight:900;letter-spacing:1px;text-transform:uppercase}
.footer-col a,.footer-addr{display:block;margin-bottom:9px;color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent-2)}
.footer-phone{color:#fff!important;font-weight:900;font-size:16px!important}
.footer-bottom{margin-top:44px;padding:18px 0;border-top:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.52);font-size:13px}
.sticky-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;gap:10px;padding:10px 14px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.sticky-cta .btn{flex:1}

@media (max-width:1100px){
  .hero-inner{grid-template-columns:1fr;gap:28px}
  .render-card{min-height:420px}
  .hero-visual{order:-1}
  .benefit-grid,.kit-grid,.scenario-grid,.trust-grid{grid-template-columns:repeat(3,1fr)}
  .final-cta::before{inset:0;background-image:linear-gradient(90deg,rgba(6,25,38,.78),rgba(6,25,38,.52)),var(--img-pump)}
  .final-inner{grid-template-columns:1fr}
}
@media (max-width:920px){
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line)}
  .main-nav.open{display:flex}
  .main-nav a{padding:15px 24px;border-top:1px solid var(--line)}
  .burger{display:flex}
  .header-phone{display:none}
  .liquid-grid,.solution-grid,.mods-grid{grid-template-columns:repeat(2,1fr)}
  .how-layout{grid-template-columns:1fr}
  .how-svg-wrap{min-height:360px}
  .calc{grid-template-columns:1fr}
  .calc-contact{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{padding-bottom:72px}
  .container{padding:0 18px}
  .section{padding:58px 0}
  .hero{min-height:0}
  .hero-inner{padding:18px 18px 24px}
  .render-card{min-height:190px}
  .render-tags{display:none}
  .hero-stats{display:none}
  .hero-cta .btn{width:100%}
  .hero-cta .btn-ghost{display:none}
  .header-cta .btn-sm{display:none}
  .liquid-grid,.solution-grid,.mods-grid,.benefit-grid,.kit-grid,.scenario-grid,.trust-grid{grid-template-columns:1fr}
  .liquid-card{min-height:330px}
  .how-list{grid-template-columns:1fr}
  .calc-fields,.calc-contact{grid-template-columns:1fr}
  .hero .trust-strip{display:none}
  .trust-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .sticky-cta{display:flex}
  .sticky-cta .btn{font-size:13px;padding-inline:10px}
}
@media (max-width:390px){
  .hero-stats{grid-template-columns:1fr}
  .btn{white-space:normal;text-align:center}
}