:root {
  --blue: #0747a6;
  --blue-2: #0d5bd4;
  --red: #ed1c24;
  --ink: #111820;
  --navy: #071827;
  --text: #5a6672;
  --line: #d8dde2;
  --steel: #f4f7fa;
  --white: #fff;
  --font: Inter, Arial, sans-serif;
  --shadow-soft: 0 12px 34px rgba(19, 37, 56, .05);
  --shadow-lift: 0 20px 45px rgba(7, 24, 39, .13);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: #fff;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: -.035em;
  text-transform: none;
}

/* One type scale for every section */
section h2 { font-size: clamp(40px, 3.6vw, 56px); line-height: 1.04; }
section h3 { font-size: clamp(22px, 1.8vw, 29px); line-height: 1.14; }
section p { line-height: 1.7; }
section small { font-size: 12px; line-height: 1.25; letter-spacing: .06em; }

.wrap {
    width: 100%;
    margin: auto;
    padding: 0 90px;
}
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ---------- 3. Shared UI ---------- */
.overline {
  display: block;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .06em;
}
.overline::before {
  content: '';
  display: inline-block;
  width: 34px;
  height: 2px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--red);
}

section#contact .wrap.contact-grid span.overline::before {
  background: #fff;
}
.overline.blue { color: var(--blue); }
.overline.warm { color: var(--red); }

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 220px;
  height: 56px;
  margin-top: 24px;
  padding: 0 22px;
  font-weight: 700;
  background: var(--red);
}

.outline-btn,
.light-btn {
  display: inline-block;
  padding: 15px 22px;
  font-weight: 700;
  border: 1px solid #9eabb6;
  transition: background-color .25s ease, color .25s ease;
}

.text-btn { font-weight: 700; color: var(--blue); }

/* ---------- 4. Header ---------- */
.header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 30;
  width: 100%;
  color: #fff;
}

.topbar {
  height: 34px;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: rgba(2, 12, 24, .72);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.topbar .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.topbar a { margin-right: 28px; }
.topbar button { color: #fff; background: none; border: 0; }

.nav {
  display: flex;
  align-items: center;
  height: 94px;
  border-bottom: 1px solid rgba(255, 255, 255, .24);
}

.logo img { display: block; width: 190px; max-height: 72px; object-fit: contain; }

.nav nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 600;
}

.nav nav > a,
.products-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 36px 0;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: none;
  border: 0;
  cursor: pointer;
  transition: opacity .22s ease;
}
.nav nav > a:hover,
.products-toggle:hover { opacity: .8; }

/* chevron */
.products-toggle span {
  width: 8px;
  height: 8px;
  margin-left: 8px;
  font-size: 0;
  border-right: 1.8px solid currentColor;
  border-bottom: 1.8px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .22s ease;
}
.header.open .products-toggle span { transform: translateY(2px) rotate(225deg); }

.nav-end { display: flex; align-items: center; margin-left: 38px; }

.quote {
  display: flex;
  align-items: center;
  gap: 34px;
  height: 48px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 700;
  background: var(--red);
}

.menu { display: none; padding: 12px; background: none; border: 0; }
.menu i { display: block; width: 26px; height: 2px; margin: 6px; background: #fff; }

/* ---------- 5. Mega menu ---------- */
.mega {
  position: absolute;
  top: 128px;
  left: 50%;
  width: min(1440px, calc(100% - 48px));
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(10, 29, 47, .08);
  box-shadow: 0 28px 80px rgba(8, 23, 38, .2);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.header.open .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 38px 42px 42px;
}
.mega-grid > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-right: 30px;
  padding: 4px 30px 4px 0;
  border-right: 1px solid #e2e6ea;
}
.mega-grid > div:last-child { margin: 0; padding-right: 0; border: 0; }
.mega small { font-size: 12px; font-weight: 700; color: #74808c; }
.mega b { margin: 8px 0 14px; font-size: 24px; font-weight: 600; letter-spacing: -.025em; }
.mega a {
  display: inline-block;
  padding: 5px 0;
  font-size: 13px;
  color: #4e5b67;
  transition: color .2s ease, transform .2s ease;
}
.mega a:hover { color: var(--blue); transform: translateX(3px); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  height: min(920px, 100vh);
  min-height: 760px;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}

.slides { position: absolute; inset: 0; }
.slide { position: relative; height: 100%; }

/* Slick (fade mode) */
.slides .slick-list,
.slides .slick-track { height: 100%; }
/* Before Slick loads: show only the first slide */
.slides:not(.slick-initialized) .slide:not(:first-child) { display: none; }

.slide > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.9) contrast(1.04);
}

.shade {
position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgb(6 33 57 / 78%) 0%, rgba(8, 50, 78, .38) 43%, rgba(10, 51, 77, .08) 75%), linear-gradient(0deg, rgb(3 30 52 / 67%), #0000002e 58%);
}

.slide-content {
  position: relative;
  z-index: 2;
  margin: 0 auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-top: 100px;
}

h1 {
  max-width: 850px;
  margin: 28px 0 26px;
  font-size: clamp(62px, 6.1vw, 96px);
  line-height: .96;
}
h1 em { font-style: normal; color: #d2e1f6; }

.slide-content p { max-width: 570px; font-size: 16px; color: #e0e7ee; }

.hero-ui {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 42px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transform: translateX(-50%);
}
.dots { display: flex; gap: 9px; }
.dot { width: 42px; height: 3px; padding: 0; background: rgba(255, 255, 255, .35); border: 0; }
.dot.active { background: #fff; }

.arrows { display: flex; }
.arrows button {
  width: 52px;
  height: 52px;
  font-size: 20px;
  color: #fff;
  background: rgba(5, 20, 35, .4);
  border: 1px solid rgba(255, 255, 255, .45);
}
.arrows button + button { border-left: 0; }

.hero-index {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 130px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 19px 34px;
  color: var(--ink);
  background: #fff;
}
.hero-index b { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.hero-index span { color: #8a949d; }

/* ---------- 7. Intro banner ---------- */
.banner {
  position: relative;
  overflow: hidden;
  padding: 92px 0;
  background: linear-gradient(125deg, #f5f8fc 0%, #fff 58%, #e8f0fb 100%);
}
.banner::before {
  content: '';
  position: absolute;
  top: -260px;
  right: -210px;
  width: 520px;
  height: 520px;
  border: 1px solid #cbd9eb;
  border-radius: 50%;
}

.banner-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 1.18fr) minmax(230px, .84fr) minmax(210px, .72fr) auto;
  gap: clamp(24px, 3vw, 52px);
  align-items: center;
}
.banner h2 { margin-top: 12px; }
.banner p { font-size: 18px; color: var(--text); }


.banner-stat {
  grid-column: 3;
  padding: 28px 30px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 25px 60px rgba(7, 71, 166, .2);
}
.banner-stat b { font-size: 56px; font-weight: 700; font-variant-numeric: tabular-nums; }
.banner-stat span { display: block; font-size: 12px; color: #dce9fa; }

/* ---------- 8. Section scaffolding ---------- */
.section { padding: 108px 0; }

.title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
}
.title-row h2 { margin-top: 12px; }
.title-row > p { width: 500px; font-size: 16px; color: var(--text); }

/* ---------- 9. Products ---------- */
.products { background: #fff; color: var(--ink); }
.products.section { padding: 100px 0; }
.products .title-row { align-items: start; }

.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.product-card {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 320px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #dfe5eb;
  box-shadow: var(--shadow-soft);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: #b9c4ce;
  box-shadow: 0 22px 48px rgba(7, 24, 39, .13);
}

.product-img { position: relative; min-height: 320px; overflow: hidden; }
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.02) contrast(1.035) brightness(1.02);
  transition: transform .6s ease;
}
.product-card:hover .product-img img { transform: scale(1.045); }
.product-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 22, 45, .25), transparent 55%);
}

.product-copy { display: flex; flex-direction: column; padding: 30px; }
.product-copy small { font-weight: 700; color: var(--red); }
.product-copy h3 { margin: 12px 0 14px; }
.product-copy p { margin: 0; font-size: 15px; color: #536170; }
.product-copy a {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 18px;
  font-weight: 700;
  color: var(--blue);
  border-top: 1px solid var(--line);
}

.product-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 40px;
}
.product-strip > div {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(44, 34, 26, .08);
  transition: transform .35s ease, box-shadow .35s ease;
}
.product-strip > div:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(44, 34, 26, .16); }
.product-strip > div::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(3, 17, 31, .8), transparent 55%);
}
.product-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.75);
  transition: transform .5s ease;
}
.product-strip > div:hover img { transform: scale(1.045); }
.product-strip span {
  position: absolute;
  z-index: 2;
  left: 22px;
  bottom: 22px;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
}

/* ---------- 10. Sectors carousel ---------- */
.industries { padding: 92px 0; overflow: hidden; color: #112b40; background: #fafafa; }

.sectors-wrap > h2 {
  width: max-content;
  margin: 0 auto 54px;
  font-size: clamp(32px, 3vw, 44px);
  font-weight: 500;
  letter-spacing: -.03em;
  color: #222;
}

.sectors-slider { width: 100%; overflow: hidden; }

/* Slick: 16px gap between cards */
.sectors-slider .slick-list { margin: 0 -8px; }
.sector-slide { padding: 0 8px; }

/* Before Slick loads: 4 / 2 / 1 cards in a row, no layout jump */
.sectors-track:not(.slick-initialized) { display: flex; overflow: hidden; }
.sectors-track:not(.slick-initialized) .sector-slide { flex: 0 0 25%; }

.sector-card { position: relative; width: 100%; }
.sector-card img {
  display: block;
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: saturate(1.02) contrast(1.035) brightness(1.02);
}
.sector-card h3 {
  margin: 0;
  padding-top: 18px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
  color: #252525;
}

/* ---------- 11. Advantage ---------- */
.advantage { background: #fff; color: var(--ink); }

.advantage-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 9%; }

.adv-intro { position: sticky; top: 30px; align-self: start; }
.adv-intro h2 { margin-top: 12px; }
.adv-intro p { max-width: 500px; margin: 28px 0; font-size: 18px; color: var(--text); }

.advantage .outline-btn { color: var(--blue); border-color: #9fb0c0; }
.advantage .outline-btn:hover { color: #fff; background: var(--blue); border-color: var(--blue); }

.adv-list { border-top: 1px solid var(--line); }
.adv-list article {
  display: grid;
  grid-template-columns: 45px 80px 1fr;
  gap: 24px;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: transform .35s ease, background-color .35s ease;
}
.adv-list article:hover { background: #f7f9fb; transform: translateX(5px); }
.adv-list > article > span { font-size: 12px; color: var(--blue); }
.adv-list p { margin: 5px 0 0; color: var(--text); }

.icon { display: grid; place-items: center; width: 68px; height: 68px; background: #edf3fa; }
.icon svg { width: 40px; height: 40px; fill: none; stroke: var(--blue); stroke-width: 1.8; }

/* ---------- 12. Installation services ---------- */
.services { color: var(--ink); background: var(--steel); }

.services-head {
  display: grid;
  grid-template-columns: 1fr .72fr;
  gap: 10%;
  align-items: end;
  margin-bottom: 38px;
}
.services-head h2 { margin: 12px 0 0; }
.services-head > p { margin: 0; font-size: 16px; color: var(--text); }

.services-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 20px; }

.service-feature {
  position: relative;
  min-height: 530px;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}
.service-feature::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7, 24, 39, .96), rgba(7, 24, 39, .16) 68%);
}
.service-feature img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.06);
  transition: transform .65s ease;
}
.service-feature:hover img { transform: scale(1.045); }

.service-feature-copy { position: absolute; z-index: 2; left: 38px; right: 38px; bottom: 36px; }
.service-feature-copy > span { font-size: 13px; color: #fff; }
.service-feature-copy h3 { margin: 7px 0 12px; }
.service-feature-copy p { max-width: 590px; font-size: 15px; line-height: 1.6; color: #dce3e0; }
.service-feature-copy a { display: inline-block; margin-top: 16px; font-weight: 700; }

.service-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.service-stack article {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 255px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .35s ease, box-shadow .35s ease;
}
.service-stack article:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.service-stack h3 { margin: 0 0 8px; }
.service-stack p { margin: 0; font-size: 14px; line-height: 1.65; color: var(--text); }

/* ---------- 13. About ---------- */
.about { background: #fff; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; align-items: center; }

.about-image { position: relative; height: 630px; box-shadow: 0 24px 52px rgba(8, 27, 43, .13); }
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(7, 22, 37, .16), transparent 48%, rgba(7, 22, 37, .24));
}
.about-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 54% center;
  filter: saturate(.82) contrast(1.08);
}

.years {
  position: absolute;
  right: -50px;
  bottom: 45px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px 34px;
  color: #fff;
  background: var(--red);
}
.years b { font-size: 60px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.years span { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }

.about-copy h2 { margin-top: 12px; }
.about-copy > p { margin: 28px 0; font-size: 16px; line-height: 1.75; color: var(--text); }
.about-copy .about-cta { margin-top: 0; color: var(--blue); }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 26px 0;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-stats b, .about-stats span { display: block; }
.about-stats b { font-size: 39px; font-weight: 700; color: var(--blue); font-variant-numeric: tabular-nums; }
.about-stats span { font-size: 12px; color: var(--text); }

/* ---------- 14. Quality ---------- */
.quality { color: #fff; background: linear-gradient(125deg, #0f6a93, #0c4268); }

.quality-grid {
  display: grid;
  grid-template-columns: .8fr 1fr .8fr;
  gap: 55px;
  align-items: center;
}
.quality h2 { margin-top: 12px; }
.quality p { font-size: 16px; color: #d4edf7; }

.quality .light-btn { margin-top: 25px; color: #0d547c; background: #fff; border-color: #86a9da; }

.quality-image { position: relative; height: 500px; box-shadow: 0 24px 52px rgba(8, 27, 43, .13); }
.quality-image::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(7, 22, 37, .16), transparent 48%, rgba(7, 22, 37, .24));
}
.quality-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 47%;
  filter: saturate(.76) contrast(1.1);
}

.quality-badge {
  position: absolute;
  top: 35px;
  right: -28px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 17px;
  background: var(--red);
}
.quality-badge svg { width: 40px; fill: none; stroke: #fff; stroke-width: 2; }
.quality-badge span { font-size: 10px; font-weight: 700; letter-spacing: .1em; }

.quality-list div {
  display: grid;
  grid-template-columns: 45px 1fr;
  padding: 23px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .32);
  transition: transform .35s ease, background-color .35s ease, padding .35s ease;
}
.quality-list div:hover { padding-left: 14px; background: rgba(255, 255, 255, .1); transform: translateX(8px); }
.quality-list b { color: #9fc0eb; }

/* ---------- 15. News / field notes ---------- */
.news { padding: 126px 0; background: #fff; }



.field-notes-head {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 8%;
  align-items: end;
  margin-bottom: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid #dce4ea;
}
.field-notes-head h2 { margin-top: 12px; }
.field-notes-head p { max-width: 480px; margin: 0; font-size: 16px; line-height: 1.72; color: var(--text); }


.field-notes-grid {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
}

.field-lead { padding-bottom: 28px; border-bottom: 1px solid #dce4ea; }

.field-image { position: relative; display: block; height: 390px; overflow: hidden; background: #102438; }
.field-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(5, 20, 35, .72));
}
.field-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
  filter: saturate(1.02) contrast(1.035) brightness(1.02);
  transition: transform .65s cubic-bezier(.2, .7, .2, 1);
}
.field-image:hover img { transform: scale(1.045); }
.field-image span {
  position: absolute;
  z-index: 1;
  left: 22px;
  bottom: 18px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #fff;
}

.field-copy { max-width: 730px; padding-top: 28px; }
.field-copy small,
.field-note small { display: block; font-weight: 700; text-transform: uppercase; color: #0c5fba; }
.field-copy h3 { margin: 14px 0; font-size: clamp(28px, 2.45vw, 40px); line-height: 1.1; }
.field-copy p,
.field-note p { margin: 0; font-size: 15px; color: #596775; }

.field-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 700;
  color: #0b4f99;
}
.field-link b { font-size: 18px; font-weight: 500; transition: transform .25s ease; }
.field-link:hover b { transform: translate(3px, -3px); }

.field-rail { border-top: 2px solid #172735; }
.field-note {
  display: grid;
  grid-template-columns: 158px 1fr;
  gap: 22px;
  padding: 25px 0;
  border-bottom: 1px solid #dce4ea;
  transition: padding .25s ease;
}
.field-note:hover { padding-left: 8px; }
.field-thumb { display: block; height: 142px; overflow: hidden; background: #dae4ea; }
.field-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.02) contrast(1.035) brightness(1.02);
  transition: transform .55s ease;
}
.field-note:hover .field-thumb img { transform: scale(1.06); }
.field-note h3 { margin: 10px 0 9px; font-size: 24px; line-height: 1.14; }
.field-note .field-link { margin-top: 12px; font-size: 13px; }

/* ---------- 16. Contact ---------- */
.contact { padding: 90px 0; color: #fff; background: var(--red); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; align-items: end; }
.contact h2 { margin-top: 12px; }
.contact p { max-width: 600px; font-size: 16px; color: #ffe2e3; }

.contact-actions { display: flex; flex-direction: column; }
.contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 23px 0;
  border-top: 1px solid rgba(255, 255, 255, .45);
  transition: transform .35s ease, background-color .35s ease, padding .35s ease;
}
.contact-card:hover { padding-inline: 18px; background: rgba(255, 255, 255, .08); transform: translateX(8px); }
.contact-card small { grid-column: 1 / -1; color: #ffd0d2; }
.contact-card b { font-size: 28px; font-weight: 600; letter-spacing: -.025em; }
.contact-card span { font-size: 24px; }

/* ---------- 17. Footer ---------- */
footer {
  position: relative;
  overflow: hidden;
  padding-top: 72px;
  color: #fff;
  background:
    radial-gradient(circle at 85% 15%, rgba(12, 87, 188, .38), transparent 32%),
    linear-gradient(145deg, #07131f 0%, #0b2135 68%, #07131f 100%);
}
footer::before {
  content: 'HEATMAX';
  position: absolute;
  right: -10px;
  bottom: -66px;
  font: 700 clamp(120px, 18vw, 280px) / 1 var(--font);
  letter-spacing: -.06em;
  color: rgba(255, 255, 255, .025);
  pointer-events: none;
}

.footer-head {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.3fr auto;
  align-items: end;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}
.footer-head img { width: 190px; max-height: 75px; object-fit: contain; }
.footer-head p {
  margin: 0;
  font-size: clamp(28px, 3vw, 45px);
  line-height: 1.05;
  letter-spacing: -.025em;
  color: #9aaaba;
}
.footer-head > div { display: flex; justify-content: flex-end; gap: 8px; }
.footer-head > div a { padding: 12px 16px; border: 1px solid rgba(255, 255, 255, .25); }
.footer-head > div a:last-child { color: #0a1a2a; background: #fff; }

.linkedin-link { display: grid; place-items: center; width: 48px; height: 48px; }
.linkedin-link svg { display: block; width: 20px; height: 20px; fill: currentColor; stroke: none; }

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 1.1fr 1.7fr;
  padding: 48px 80px 58px 80px;
}
.footer-grid > div { display: flex; flex-direction: column; gap: 9px; padding-right: 26px; }
.footer-grid b { margin-bottom: 10px; font-size: 20px; color: #7690aa; }
.footer-grid a,
.footer-grid span { font-size: 13px; line-height: 1.7; color: #b7c3cf; }
.footer-grid a { transition: color .2s ease, transform .2s ease; }
.footer-grid a:hover { color: #fff; transform: translateX(4px); }

.legal {
    position: relative;
    display: flex;
    justify-content: space-between;
    padding: 20px 80px 24px 80px;
    font-size: 11px;
    color: #73879a;
    border-top: 1px solid rgba(255, 255, 255, .13);
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1100px) {
  .banner-grid { grid-template-columns: 1.2fr 1fr auto; }
}

@media (max-width: 1050px) {
  .nav nav { gap: 18px; }
  .nav nav > a, .products-toggle { font-size: 13px; }
  .nav-end { margin-left: auto; }

  .mega-grid { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .mega-grid > div:nth-child(2) { margin-right: 0; padding-right: 0; border-right: 0; }

  .product-card { grid-template-columns: 190px 1fr; }
  .services-layout { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: 1fr; }
  .adv-intro { position: static; }
  .quality-grid { grid-template-columns: 1fr 1fr; }
  .quality-list { grid-column: 1 / -1; }

  .footer-head { grid-template-columns: 1fr 1fr; }
  .footer-head > div { grid-column: 1 / -1; justify-content: flex-start; margin-top: 25px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .sectors-track:not(.slick-initialized) .sector-slide { flex-basis: 50%; }
  .sector-card img { height: 360px; }
}

@media (max-width: 880px) {
  .field-notes-head, .field-notes-grid { grid-template-columns: 1fr; }
  .field-notes-head { gap: 20px; }
  .field-notes-head p { max-width: 620px; }
  .field-image { height: 420px; }
}

@media (max-width: 820px) {
  .nav nav { display: none; }
  .menu { display: block; }
  .services-head { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 680px) {
  .wrap { width: calc(100% - 36px); }

  .topbar, .quote, .hero-index { display: none; }
  .nav { height: 78px; }
  .logo img { width: 150px; }

  .mega { top: 78px; width: calc(100% - 20px); max-height: calc(100vh - 90px); }
  .mega-grid { grid-template-columns: 1fr; padding: 25px; }
  .mega-grid > div { margin: 0 0 20px; padding: 0 0 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .mega-grid > div:last-child { margin: 0; padding: 0; border: 0; }

  .hero { height: 780px; min-height: 700px; }
  .hero-ui { bottom: 25px; }
  h1 { font-size: 52px; }

  .section, .products.section { padding: 76px 0; }
  .news { padding: 82px 0; }
  .banner { padding: 72px 0; }

  .banner-grid { grid-template-columns: 1fr; }
  .banner-stat { grid-column: auto; width: max-content; }

  .title-row, .about-grid, .quality-grid, .contact-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
  .title-row { align-items: start; margin-bottom: 30px; }
  .title-row > p { width: auto; }

  .product-grid { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 125px 1fr; min-height: 280px; }
  .product-img { min-height: 280px; }
  .product-copy { padding: 24px 20px; }
  .product-copy h3 { margin-top: 10px; }
  .product-copy p { font-size: 13px; line-height: 1.55; }
  .product-copy a { font-size: 13px; }
  .product-strip { grid-template-columns: 1fr 1fr; }

  .services-layout { display: block; }
  .service-feature { min-height: 450px; }
  .service-feature-copy { left: 24px; right: 24px; bottom: 24px; }
  .service-stack { grid-template-columns: 1fr; margin-top: 16px; }
  .service-stack article { min-height: 190px; padding: 23px; }

  .adv-list article { grid-template-columns: 36px 58px 1fr; gap: 13px; }
  .icon { width: 54px; height: 54px; }

  .about-image { height: 440px; }
  .years { right: 0; bottom: 0; }
  .about-stats { gap: 12px; }
  .about-stats b { font-size: 31px; }

  .quality-image { height: 380px; }
  .quality-badge { right: 0; }

  .footer-head, .footer-grid { grid-template-columns: 1fr; }
  .footer-head { gap: 25px; }
  .footer-head p { margin-top: 28px; }
  .footer-head > div { grid-column: auto; flex-direction: column; gap: 8px; }
  .footer-grid { gap: 34px; }
  .legal { flex-direction: column; gap: 8px; }
}

@media (max-width: 600px) {
  .sectors-track:not(.slick-initialized) .sector-slide { flex-basis: 100%; }
  .sector-card img { height: 330px; }

  .field-notes-head { margin-bottom: 26px; padding-bottom: 27px; }
  .field-image { height: 250px; }
  .field-copy { padding-top: 22px; }
  .field-copy h3 { font-size: 30px; }
  .field-note { grid-template-columns: 112px 1fr; gap: 16px; }
  .field-thumb { height: 108px; }
  .field-note h3 { font-size: 20px; }
  .field-note p { font-size: 14px; }
  .field-note .field-link { display: none; }
}