/* ───────────────────────── TEPLOVOZ — tokens ───────────────────────── */
:root {
  --bg:        oklch(0.12 0.012 150);
  --bg-2:      oklch(0.08 0.010 150);
  --bg-3:      oklch(0.17 0.014 150);
  --bg-4:      oklch(0.22 0.016 150);
  --line:      oklch(0.28 0.018 150);
  --line-2:    oklch(0.36 0.020 150);
  --text:      oklch(0.97 0.005 150);
  --muted:     oklch(0.66 0.012 150);
  --muted-2:   oklch(0.50 0.012 150);
  --green:     oklch(0.68 0.17 145);
  --green-2:   oklch(0.78 0.18 145);
  --green-deep:oklch(0.42 0.13 145);
  --green-ink: oklch(0.22 0.09 145);
  --red:       oklch(0.64 0.21 25);
  --red-2:     oklch(0.72 0.22 28);
  --red-deep:  oklch(0.45 0.18 25);
  --red-ink:   oklch(0.22 0.10 25);

  --font:  "Inter", "Helvetica Neue", system-ui, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, monospace;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;

  --max: 1280px;
  --pad: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  line-height: 1.45;
  scroll-behavior: smooth;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

::selection { background: var(--green); color: var(--bg-2); }

/* layout */
.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.wrap-wide { max-width: 1440px; margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* eyebrow / mono label */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--green);
}
.eyebrow.red { color: var(--red-2); }
.eyebrow.red::before { background: var(--red); }
.eyebrow.muted { color: var(--muted); }
.eyebrow.muted::before { background: var(--line-2); }

/* headings */
h1, h2, h3, h4 { margin: 0; letter-spacing: -0.02em; }
.h-display {
  font-size: clamp(48px, 7.2vw, 116px);
  line-height: 0.92;
  font-weight: 800;
  letter-spacing: -0.035em;
}
.h-section {
  font-size: clamp(36px, 4.6vw, 72px);
  line-height: 0.96;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.h-3 { font-size: clamp(22px, 1.6vw, 28px); font-weight: 600; line-height: 1.15; }

.gradient-green {
  background: linear-gradient(180deg, var(--green-2), var(--green));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.gradient-red {
  background: linear-gradient(180deg, var(--red-2), var(--red));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  transition: transform .25s cubic-bezier(.2,.7,.2,1), background .25s, color .25s, box-shadow .25s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green);
  color: var(--bg-2);
  box-shadow: 0 0 0 0 rgba(0,0,0,0), 0 18px 40px -16px oklch(0.68 0.17 145 / 0.55);
}
.btn-primary:hover {
  background: var(--green-2);
  transform: translateY(-2px);
  box-shadow: 0 24px 50px -16px oklch(0.78 0.18 145 / 0.65);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green-2); transform: translateY(-2px); }

.btn-arrow {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: currentColor;
  position: relative;
  flex-shrink: 0;
}
.btn-arrow::after {
  content: "";
  position: absolute; top: 50%; left: 50%;
  width: 8px; height: 8px;
  border-top: 1.6px solid var(--bg-2);
  border-right: 1.6px solid var(--bg-2);
  transform: translate(-60%, -50%) rotate(45deg);
}
.btn-ghost .btn-arrow::after { border-color: var(--bg-2); }
.btn-ghost .btn-arrow { background: var(--text); }
.btn-ghost:hover .btn-arrow { background: var(--green-2); }
.btn-ghost:hover .btn-arrow::after { border-color: var(--bg-2); }

/* ───────────────────────── reveal ───────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--rd, 0ms);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-x {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--rd, 0ms);
}
.reveal-x.in { opacity: 1; transform: none; }

/* ───────────────────────── nav ───────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  padding: 14px 0;
  transition: backdrop-filter .3s, background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: oklch(0.10 0.012 150 / 0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line);
}
.nav-row { display: flex; align-items: center; gap: 32px; }
.nav-logo { display: flex; align-items: center; gap: 0; }
.nav-logo img { height: 46px; width: auto; }
.nav-menu { display: flex; gap: 28px; margin-left: auto; }
.nav-menu a {
  font-size: 14px;
  color: var(--muted);
  position: relative;
  transition: color .2s;
  padding: 4px 0;
}
.nav-menu a:hover { color: var(--text); }
.nav-menu a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.nav-menu a:hover::after { transform: scaleX(1); }
.nav-cta { display: flex; gap: 12px; align-items: center; }
.nav-phone {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  letter-spacing: 0.02em;
}
/* burger button */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px; height: 40px;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  cursor: pointer;
  padding: 0;
  gap: 5px;
}
.burger-icon,
.burger-icon::before,
.burger-icon::after {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
  position: relative;
}
.burger-icon::before,
.burger-icon::after {
  content: "";
  position: absolute;
  left: 0;
}
.burger-icon::before { top: -6px; }
.burger-icon::after  { top:  6px; }
.burger-icon.open { background: transparent; }
.burger-icon.open::before { transform: rotate(45deg); top: 0; }
.burger-icon.open::after  { transform: rotate(-45deg); top: 0; }

/* mobile menu drawer */
.mobile-menu {
  display: none;
  position: fixed; inset: 0; z-index: 59;
  background: oklch(0 0 0 / 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-inner {
  position: absolute;
  top: 0; right: 0;
  width: min(320px, 85vw);
  height: 100%;
  background: var(--bg-3);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 80px 28px 40px;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.mobile-menu.open .mobile-menu-inner {
  transform: translateX(0);
}
.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.mobile-link {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  transition: color .2s;
}
.mobile-link:hover { color: var(--text); }
.mobile-menu-footer {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}
.mobile-phone {
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--text);
  text-align: center;
}

@media (max-width: 800px) {
  .nav-menu { display: none; }
  .nav-phone { display: none; }
  .nav-cta .btn { display: none; }
  .burger { display: flex; }
  .mobile-menu { display: block; }
}

/* ───────────────────────── HERO ───────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 140px;
  padding-bottom: 80px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 110%, oklch(0.30 0.10 145 / 0.55), transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 30%, oklch(0.30 0.16 25 / 0.20), transparent 60%),
    var(--bg);
}
.hero-grid-bg {
  position: absolute; inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(oklch(0.30 0.018 150 / 0.18) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0.30 0.018 150 / 0.18) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 80%);
}
.hero-glow-green {
  position: absolute;
  left: -120px; bottom: -180px;
  width: 620px; height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, oklch(0.55 0.18 145 / 0.35), transparent 60%);
  filter: blur(20px);
  z-index: -1;
}
.hero-glow-red {
  position: absolute;
  right: -120px; top: -120px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, oklch(0.55 0.20 25 / 0.22), transparent 60%);
  filter: blur(20px);
  z-index: -1;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - 220px);
}
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 60px; }
}

.hero-left { padding-right: 20px; }
.hero-title { margin: 24px 0 22px; }
.hero-title .accent { color: var(--green-2); display: inline-block; }
.hero-title .accent-r { color: var(--red-2); display: inline-block; }
.hero-sub {
  font-size: clamp(16px, 1.2vw, 19px);
  color: var(--muted);
  max-width: 540px;
  line-height: 1.55;
}
.hero-actions { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }

.hero-meta {
  display: flex;
  gap: 36px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.hero-meta-item .v {
  font-family: var(--font);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero-meta-item .l {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* hero right - canister + gauges */
.hero-right { position: relative; height: 720px; }
@media (max-width: 980px) { .hero-right { height: 600px; } }

.hero-product {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-frame {
  position: relative;
  width: 100%;
  height: 100%;
}
.product-img {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, calc(-50% + var(--parallax, 0px)));
  height: 92%;
  width: auto;
  filter: drop-shadow(0 60px 80px oklch(0.20 0.18 25 / 0.45));
  transition: transform .1s linear;
  border-radius: 12px;
  object-fit: cover;
}

.hero-spec {
  position: absolute;
  background: oklch(0.13 0.012 150 / 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  z-index: 4;
  animation: floaty 6s ease-in-out infinite;
}
.hero-spec .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 16px var(--green);
}
.hero-spec.red .dot { background: var(--red); box-shadow: 0 0 16px var(--red); }
.hero-spec .big {
  font-family: var(--font);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.hero-spec .lab { color: var(--muted); font-size: 10px; text-transform: uppercase; }

.hero-spec.tl { top: 8%;   left: -10px;  animation-delay: -1.2s; }
.hero-spec.tr { top: 18%;  right: -10px; animation-delay: -3s; }
.hero-spec.bl { bottom: 14%; left: -2%;  animation-delay: -4.5s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* temperature gauge SVG side */
.hero-gauge {
  position: absolute;
  right: -20px;
  bottom: 6%;
  width: 200px;
  z-index: 5;
}

/* marquee */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  padding: 18px 0;
}
.marquee-track {
  display: flex;
  gap: 64px;
  animation: marquee 38s linear infinite;
  white-space: nowrap;
}
.marquee-item {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.marquee-item .pip {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
}
.marquee-item .pip.red { background: var(--red); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ───────────────────────── STATS ───────────────────────── */
.stats {
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
}
.stats-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 64px;
  align-items: end;
}
.stats-head p { color: var(--muted); max-width: 520px; font-size: 17px; }
@media (max-width: 800px) {
  .stats-head { grid-template-columns: 1fr; gap: 24px; }
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.stat-cell {
  border-right: 1px solid var(--line);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
}
.stat-cell:last-child { border-right: 0; }
.stat-cell::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  height: 2px; width: 100%;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s cubic-bezier(.2,.7,.2,1);
}
.stat-cell.in::after { transform: scaleX(1); }
.stat-cell .num {
  font-size: clamp(48px, 5vw, 80px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.stat-cell .suf {
  font-family: var(--mono);
  font-size: 22px;
  color: var(--green-2);
  font-weight: 500;
}
.stat-cell .lab {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
  max-width: 220px;
}
@media (max-width: 800px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-cell { border-bottom: 1px solid var(--line); }
  .stat-cell:nth-child(2) { border-right: 0; }
}

/* ───────────────────────── PRODUCTS ───────────────────────── */
.products {
  padding: 120px 0;
  position: relative;
}
.products-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 56px;
}
@media (max-width: 800px) {
  .products-head { grid-template-columns: 1fr; }
}
.products-head .lead { color: var(--muted); font-size: 17px; max-width: 480px; }

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 900px) { .product-grid { grid-template-columns: 1fr; } }

.product-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--bg-3);
  min-height: 720px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .5s cubic-bezier(.2,.7,.2,1), border-color .4s;
  isolation: isolate;
  view-timeline-name: --product-card;
  view-timeline-axis: block;
}
.product-card:hover { transform: translateY(-6px); border-color: var(--line-2); }

/* Full-card photo background */
.product-card .pc-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.product-card:hover .pc-photo { transform: scale(1.04); }

/* Gradient overlay: transparent on top → opaque background at bottom */
.product-card .pc-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.product-card.green .pc-overlay {
  background:
    linear-gradient(to bottom,
      oklch(0.08 0.010 150 / 0.55) 0%,
      oklch(0.08 0.010 150 / 0.10) 25%,
      oklch(0.08 0.010 150 / 0.10) 45%,
      oklch(0.10 0.030 145 / 0.85) 70%,
      oklch(0.08 0.012 150 / 0.98) 100%
    );
}
.product-card.red .pc-overlay {
  background:
    linear-gradient(to bottom,
      oklch(0.08 0.010 150 / 0.55) 0%,
      oklch(0.08 0.010 150 / 0.10) 25%,
      oklch(0.08 0.010 150 / 0.10) 45%,
      oklch(0.12 0.04 25 / 0.85) 70%,
      oklch(0.08 0.012 150 / 0.98) 100%
    );
}

.product-card .pc-head {
  position: relative;
  z-index: 2;
  padding: 28px 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.product-card .pc-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  background: oklch(0.06 0.012 150 / 0.6);
  backdrop-filter: blur(6px);
}
.product-card.green .pc-tag { color: var(--green-2); }
.product-card.red   .pc-tag { color: var(--red-2); }

@keyframes pc-tag-exit {
  from { opacity: 1; transform: none; filter: blur(0px); }
  to   { opacity: 0; transform: translateY(-24px) scale(0.82); filter: blur(5px); }
}
@supports (animation-timeline: scroll()) {
  .product-card .pc-tag {
    animation: pc-tag-exit linear both;
    animation-timeline: --product-card;
    animation-range: exit 0% exit 45%;
  }
}

.product-card .pc-temp {
  font-family: var(--font);
  font-size: clamp(48px, 5vw, 78px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--text);
  text-shadow: 0 2px 16px oklch(0 0 0 / 0.6);
}
.product-card .pc-temp .unit {
  font-size: 0.35em;
  vertical-align: super;
  font-weight: 500;
  margin-left: 6px;
  color: var(--muted);
}

.product-card .pc-foot {
  position: relative;
  z-index: 2;
  padding: 24px 28px 28px;
  background: transparent;
  border-top: none;
}
.product-card .pc-name {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.product-card .pc-desc { color: var(--muted); font-size: 14px; }
.product-card .pc-specs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.product-card .pc-specs .s .v {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
}
.product-card .pc-specs .s .k {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}

.product-card .pc-cta {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  transition: gap .25s, color .25s;
}
.product-card.green:hover .pc-cta { color: var(--green-2); gap: 14px; }
.product-card.red:hover .pc-cta { color: var(--red-2); gap: 14px; }
.product-card .pc-cta svg { width: 16px; height: 16px; transition: transform .3s; }
.product-card:hover .pc-cta svg { transform: translateX(4px); }

/* third compact card */
.product-card.mini { min-height: 320px; grid-column: span 2; }
.product-card.mini .pc-img-inner { height: 200px; }

/* ───────────────────────── SPECS TABLE ───────────────────────── */
.specs {
  padding: 120px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.specs::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(0.30 0.018 150 / 0.08) 1px, transparent 1px);
  background-size: 100% 48px;
  pointer-events: none;
}
.specs-head { margin-bottom: 60px; max-width: 720px; }
.specs-head p { color: var(--muted); font-size: 17px; margin-top: 22px; }

.specs-table {
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 14px;
  position: relative;
  z-index: 1;
}
.specs-row {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.specs-row:hover { background: oklch(0.13 0.012 150 / 0.5); }
.specs-row.head {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.specs-row.head:hover { background: transparent; }
.specs-row > div {
  padding: 22px 20px;
  border-right: 1px solid var(--line);
  display: flex;
  align-items: center;
}
.specs-row > div:last-child { border-right: 0; }
.specs-row > div:first-child {
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
}
.specs-row .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
}
.specs-row .pill.g { background: oklch(0.30 0.10 145 / 0.4); color: var(--green-2); }
.specs-row .pill.r { background: oklch(0.30 0.14 25 / 0.4); color: var(--red-2); }
@media (max-width: 800px) {
  .specs-row { grid-template-columns: 1fr; }
  .specs-row > div { border-right: 0; border-bottom: 1px dashed var(--line); }
  .specs-row.head { display: none; }
}

/* ───────────────────────── INDUSTRIES ───────────────────────── */
.industries {
  padding: 140px 0;
}
.industries-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 56px;
}
@media (max-width: 800px) {
  .industries-head { grid-template-columns: 1fr; }
}
.industries-head p { color: var(--muted); font-size: 17px; max-width: 480px; }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.industry {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 36px 32px 32px;
  min-height: 280px;
  position: relative;
  overflow: hidden;
  transition: background .4s;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.industry::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, oklch(0.20 0.10 145 / 0), oklch(0.20 0.10 145 / 0.4));
  opacity: 0;
  transition: opacity .5s;
}
.industry:hover::before { opacity: 1; }
.industry-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.industry h3 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 12px;
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.industry:hover h3 { transform: translateX(8px); }
.industry .desc {
  margin-top: 14px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
  max-width: 280px;
}
.industry .ico {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: oklch(0.18 0.014 150);
  color: var(--green-2);
  margin-bottom: 18px;
  transition: background .4s, color .4s, transform .4s;
}
.industry:hover .ico { background: var(--green-deep); color: var(--green-2); transform: rotate(-6deg); }
.industry-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-2);
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s, transform .4s;
}
.industry:hover .industry-link { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .industry-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .industry-grid { grid-template-columns: 1fr; }
}

/* ───────────────────────── CTA WHOLESALE ───────────────────────── */
.cta {
  padding: 120px 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 50%, oklch(0.35 0.16 145 / 0.55), transparent 60%),
    radial-gradient(ellipse 70% 60% at 90% 50%, oklch(0.32 0.18 25 / 0.35), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.cta-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 980px) {
  .cta-inner { grid-template-columns: 1fr; gap: 40px; }
}
.cta-bullets {
  margin-top: 36px;
  display: grid;
  gap: 14px;
}
.cta-bullet {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 16px;
  color: var(--text);
}
.cta-bullet .tick {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-2);
  margin-top: 2px;
}
.cta-bullet .tick svg { width: 12px; height: 12px; }

.cta-form {
  background: oklch(0.10 0.012 150 / 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 36px;
}
.cta-form h3 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.cta-form .sub { color: var(--muted); font-size: 14px; margin-top: 8px; }
.cta-form .field { margin-top: 22px; position: relative; }
.cta-form label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}
.cta-form input, .cta-form select, .cta-form textarea {
  width: 100%;
  background: oklch(0.13 0.012 150);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 14px 16px;
  border-radius: var(--r-md);
  font: inherit;
  font-size: 15px;
  transition: border-color .25s, background .25s;
}
.cta-form input:focus, .cta-form select:focus, .cta-form textarea:focus {
  outline: none;
  border-color: var(--green);
  background: oklch(0.15 0.014 150);
}
.cta-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cta-form button.submit {
  margin-top: 24px;
  width: 100%;
  justify-content: center;
}
.cta-form .legal {
  font-size: 11px;
  color: var(--muted-2);
  margin-top: 14px;
  line-height: 1.5;
}
.cta-form .field.has-err input,
.cta-form .field.has-err select {
  border-color: var(--red);
  background: oklch(0.12 0.02 25);
}
.field-err {
  display: block;
  font-size: 11px;
  color: var(--red-2);
  margin-top: 5px;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.cta-form label .opt {
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font);
  color: var(--muted-2);
  font-size: 10px;
}

/* ───────────────────────── CONTACTS ───────────────────────── */
.contacts {
  padding: 120px 0 80px;
}
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  margin-top: 60px;
}
.contact-cell {
  padding: 36px 24px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.contact-cell:last-child { border-right: 0; }
.contact-cell .l {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contact-cell .v {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 14px;
  line-height: 1.2;
}
.contact-cell .v.mono { font-family: var(--mono); font-size: 22px; letter-spacing: 0; }
.contact-cell .sub { color: var(--muted); font-size: 13px; margin-top: 8px; }
@media (max-width: 800px) {
  .contacts-grid { grid-template-columns: 1fr; }
  .contact-cell { border-right: 0; }
}

/* footer */
.footer {
  padding: 60px 0 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}
.footer-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 800px) { .footer-row { grid-template-columns: 1fr 1fr; } }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col li a { color: var(--text); font-size: 14px; transition: color .2s; }
.footer-col li a:hover { color: var(--green-2); }
.footer-brand img { height: 60px; margin-bottom: 18px; width: auto; }
.footer-brand p { color: var(--muted); font-size: 13px; max-width: 280px; line-height: 1.55; }
.footer-bot {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  text-transform: uppercase;
}

/* shared helpers */
.section-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

/* ───────── floating buttons ───────── */
.floating-btns {
  position: fixed;
  bottom: 32px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 900;
}

.btn-float {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: opacity 0.25s, transform 0.25s, box-shadow 0.2s;
  box-shadow: 0 4px 16px oklch(0 0 0 / 0.4);
}
.btn-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px oklch(0 0 0 / 0.55); }

.btn-tg {
  background: #2AABEE;
  color: #fff;
  opacity: 1;
}
.btn-tg svg { width: 24px; height: 24px; fill: #fff; }

.btn-top {
  background: var(--green);
  color: var(--bg-2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}
.btn-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.btn-top svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2.5; }

@media (max-width: 600px) {
  .floating-btns { bottom: 20px; right: 16px; }
}

/* ───────── sealants ───────── */
.sealants {
  padding: 100px 0;
  border-top: 1px solid var(--line);
}

.seal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
@media (max-width: 900px) { .seal-grid { grid-template-columns: 1fr; } }
@media (min-width: 901px) and (max-width: 1100px) { .seal-grid { grid-template-columns: 1fr 1fr; } }

.seal-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--bg-3);
  min-height: 680px;
  transition: transform .4s cubic-bezier(.2,.7,.2,1), border-color .3s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  isolation: isolate;
}
.seal-card:hover { transform: translateY(-6px); border-color: var(--line-2); }

.seal-card .pc-photo {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.seal-card:hover .pc-photo { transform: scale(1.04); }

.seal-card .pc-overlay {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none;
}
.seal-green .pc-overlay {
  background: linear-gradient(to bottom,
    oklch(0.08 0.010 150 / 0.55) 0%,
    oklch(0.08 0.010 150 / 0.10) 25%,
    oklch(0.08 0.010 150 / 0.10) 45%,
    oklch(0.10 0.030 145 / 0.85) 70%,
    oklch(0.08 0.012 150 / 0.98) 100%);
}
.seal-red .pc-overlay {
  background: linear-gradient(to bottom,
    oklch(0.08 0.010 150 / 0.55) 0%,
    oklch(0.08 0.010 150 / 0.10) 25%,
    oklch(0.08 0.010 150 / 0.10) 45%,
    oklch(0.12 0.04 25 / 0.85) 70%,
    oklch(0.08 0.012 150 / 0.98) 100%);
}
.seal-blue .pc-overlay {
  background: linear-gradient(to bottom,
    oklch(0.08 0.010 150 / 0.55) 0%,
    oklch(0.08 0.010 150 / 0.10) 25%,
    oklch(0.08 0.010 150 / 0.10) 45%,
    oklch(0.12 0.04 250 / 0.85) 70%,
    oklch(0.08 0.012 150 / 0.98) 100%);
}

.seal-head-row {
  position: relative;
  z-index: 2;
  padding: 24px 24px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.seal-body {
  position: relative;
  z-index: 2;
  padding: 24px;
  display: flex;
  flex-direction: column;
  margin-top: auto;
}

.seal-num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  background: oklch(0.06 0.012 150 / 0.6);
  backdrop-filter: blur(6px);
}
.seal-num-green { color: var(--green-2); }
.seal-num-red   { color: var(--red-2); }
.seal-num-blue  { color: oklch(0.70 0.18 250); }

.seal-type {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  padding: 4px 10px;
  border-radius: 999px;
  background: oklch(0.06 0.012 150 / 0.6);
  backdrop-filter: blur(6px);
}

.seal-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.seal-desc { color: var(--muted); font-size: 14px; line-height: 1.55; flex: 1; }

.seal-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.seal-spec .v {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.seal-spec .k {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

/* legal links */
.legal-link {
  color: var(--green-2);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color .2s;
}
.legal-link:hover { color: var(--green); }
.footer-bot a { color: var(--muted-2); transition: color .2s; }
.footer-bot a:hover { color: var(--green-2); }

/* ───────── WhatsApp button ───────── */
.btn-wa {
  background: #25D366;
  color: #fff;
  opacity: 1;
}
.btn-wa svg { width: 24px; height: 24px; fill: #fff; }

/* ───────── Cookie banner ───────── */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 800;
  background: oklch(0.11 0.012 150 / 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding: 18px var(--pad);
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  animation: slide-up-banner .4s cubic-bezier(.2,.7,.2,1);
}
@keyframes slide-up-banner {
  from { transform: translateY(100%); }
  to   { transform: none; }
}
.cookie-text {
  flex: 1;
  min-width: 240px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}
.cookie-text a { color: var(--green-2); text-decoration: underline; text-underline-offset: 2px; }
.cookie-btn { padding: 10px 24px; font-size: 14px; white-space: nowrap; flex-shrink: 0; }
@media (max-width: 600px) {
  .cookie-banner { flex-direction: column; align-items: stretch; gap: 12px; }
  .cookie-btn { width: 100%; justify-content: center; }
}

/* ────────────────────────── CERTS ──────────────────────────── */
.certs { padding: 96px 0; }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 48px;
}
@media (max-width: 1100px) { .certs-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px)  { .certs-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .certs-grid { grid-template-columns: 1fr; } }

.cert-card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .2s, transform .2s;
}
.cert-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}
.cert-icon {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--green-2);
  background: var(--green-ink);
  border: 1px solid var(--green-deep);
  border-radius: var(--r-sm);
  padding: 4px 10px;
  width: fit-content;
}
.cert-title { font-size: 15px; font-weight: 600; color: var(--text); }
.cert-desc { font-size: 13px; color: var(--muted); line-height: 1.5; flex: 1; margin: 0; }
.cert-cta {
  font-size: 13px;
  font-weight: 500;
  color: var(--green-2);
  text-decoration: none;
  margin-top: 4px;
}
.cert-cta:hover { text-decoration: underline; text-underline-offset: 2px; }

/* ────────────────────────── FAQ ──────────────────────────── */
.faq { padding: 96px 0; }
.faq-head { margin-bottom: 48px; }
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 22px 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: 0;
}
.faq-q:hover { color: var(--green-2); }
.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--muted);
  transition: transform .3s ease;
}
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner {
  overflow: hidden;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.65;
  padding-bottom: 0;
  transition: padding-bottom .3s ease;
}
.faq-item.open .faq-a-inner { padding-bottom: 22px; }
@media (max-width: 768px) {
  .faq-q { font-size: 15px; }
}