:root {
  --ink: #071c37;
  --muted: #5f6c7d;
  --blue: #004aad;
  --blue-dark: #002d68;
  --cyan: #12aeca;
  --steel: #e9eef5;
  --line: #d7e0ec;
  --surface: #ffffff;
  --paper: #f5f8fc;
  --yellow: #f4be2f;
  --red: #d71920;
  --shadow: 0 18px 44px rgba(7, 28, 55, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

body.modal-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 30;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.section-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.contact-rail {
  display: flex;
  justify-content: center;
  gap: 22px;
  padding: 9px 20px;
  color: #fff;
  background: var(--blue-dark);
  font-size: 0.92rem;
}

.contact-rail a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  white-space: nowrap;
}

.contact-rail svg,
.nav-cta svg,
.primary-button svg,
.secondary-button svg,
.trust-grid svg,
.search-wrap svg,
.service-list svg,
.about-points svg,
.contact-cards svg,
.sticky-actions svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(215, 224, 236, 0.9);
  backdrop-filter: blur(12px);
}

.nav-shell {
  width: min(1180px, calc(100% - 40px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 218px;
  height: 58px;
}

.brand img,
.footer-brand img {
  width: 48px;
  height: 54px;
  object-fit: contain;
  border-radius: 6px;
}

.brand span,
.footer-brand span {
  display: grid;
  gap: 0;
  line-height: 1;
}

.brand strong,
.footer-brand strong {
  color: var(--blue-dark);
  font-size: 1.42rem;
  font-weight: 900;
}

.brand small,
.footer-brand small {
  color: var(--blue);
  font-size: 1rem;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex: 1;
  font-weight: 700;
  color: #20344f;
}

.nav-links a {
  position: relative;
  padding: 10px 0;
}

.nav-links a::after {
  position: absolute;
  content: "";
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
  font-weight: 800;
}

.nav-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 800;
}

.nav-cta,
.primary-button {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 12px 22px rgba(0, 74, 173, 0.2);
}

.nav-cta:hover,
.primary-button:hover {
  background: #063d88;
}

.secondary-button {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.secondary-button:hover {
  background: rgba(255, 255, 255, 0.18);
}

.hero {
  min-height: 78svh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(4, 19, 44, 0.94) 0%, rgba(4, 32, 73, 0.82) 42%, rgba(4, 32, 73, 0.25) 100%),
    url("assets/multi-brand-systems.jpeg");
  background-position: center;
  background-size: cover;
}

.hero-content {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0 54px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 4.3rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 150px);
  gap: 10px;
  margin: 38px 0 0;
}

.hero-metrics div {
  min-height: 92px;
  padding: 14px;
  border-left: 3px solid var(--yellow);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics dt {
  margin: 0;
  font-size: 2rem;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-weight: 700;
}

.trust-band {
  padding: 26px 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.trust-grid div {
  display: grid;
  grid-template-columns: 42px 1fr;
  grid-template-rows: auto auto;
  gap: 2px 12px;
  min-height: 82px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.trust-grid svg {
  grid-row: span 2;
  width: 38px;
  height: 38px;
  color: var(--blue);
}

.trust-grid strong {
  align-self: end;
  font-size: 1rem;
}

.trust-grid span {
  color: var(--muted);
  font-size: 0.92rem;
}

.partners,
.catalog-section,
.about-section,
.buy-section,
.contact-section {
  padding: 72px 0;
}

.partners {
  background: var(--paper);
}

.brand-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(138px, 1fr));
  gap: 12px;
  align-items: stretch;
}

.brand-strip > .brand-logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  min-height: 62px;
  padding: 10px 14px;
  border: 1px solid #d7e0ec;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 24px rgba(7, 28, 55, 0.05);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1;
  overflow: hidden;
  white-space: nowrap;
}

.brand-logo .main {
  display: inline-flex;
  align-items: center;
  color: #17324f;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-logo small {
  display: block;
  margin-top: 4px;
  color: inherit;
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  text-align: center;
}

.stacked-logo {
  display: grid;
  justify-items: center;
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
}

.brand-honeywell .main {
  color: #d71920;
  font-size: 1.28rem;
  font-weight: 900;
}

.brand-elster {
  color: #124c8b;
}

.brand-elster .main {
  color: #174b82;
  font-size: 1.36rem;
  font-weight: 500;
}

.elster-mark {
  width: 29px;
  height: 29px;
  transform: rotate(45deg);
  background:
    radial-gradient(circle at 20% 20%, #16c7e1 0 3px, transparent 3.4px),
    radial-gradient(circle at 50% 20%, #15a8d6 0 3px, transparent 3.4px),
    radial-gradient(circle at 80% 20%, #0d84c5 0 3px, transparent 3.4px),
    radial-gradient(circle at 20% 50%, #129bd0 0 3px, transparent 3.4px),
    radial-gradient(circle at 50% 50%, #0d73ba 0 3px, transparent 3.4px),
    radial-gradient(circle at 80% 50%, #095da3 0 3px, transparent 3.4px),
    radial-gradient(circle at 20% 80%, #0a65ad 0 3px, transparent 3.4px),
    radial-gradient(circle at 50% 80%, #064a92 0 3px, transparent 3.4px),
    radial-gradient(circle at 80% 80%, #083c7f 0 3px, transparent 3.4px);
}

.brand-plum .main {
  color: #121212;
  font-size: 1.34rem;
  font-weight: 900;
}

.brand-plum .sub-inline {
  color: #1c1c1c;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.28em;
}

.plum-mark {
  width: 30px;
  height: 30px;
  border-radius: 50% 50% 50% 42%;
  background: #6f2c91;
}

.plum-mark::after {
  position: absolute;
  content: "";
  width: 10px;
  height: 8px;
  top: -3px;
  right: 2px;
  border-radius: 8px 8px 0 8px;
  background: #6f2c91;
  transform: rotate(-22deg);
}

.brand-fangaz .main {
  color: #0a1d2f;
  font-size: 1.02rem;
  font-weight: 900;
}

.fangaz-mark {
  width: 32px;
  height: 24px;
  border: 2px solid #0e82c8;
  background: linear-gradient(#fff 36%, #0e82c8 36% 64%, #fff 64%);
}

.fangaz-mark::before {
  position: absolute;
  content: "";
  width: 22px;
  height: 22px;
  left: 3px;
  top: -1px;
  border-radius: 50%;
  background: #0e82c8;
  z-index: 0;
}

.fangaz-mark::after {
  position: absolute;
  content: "";
  inset: 8px 2px;
  background: #fff;
  z-index: 1;
}

.brand-fmg .main {
  color: #0a49b3;
  font-size: 1.44rem;
  font-style: italic;
  font-weight: 900;
}

.brand-fmg small {
  color: #222;
  font-size: 0.46rem;
}

.fmg-mark {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #fff 0 5px, #f28c20 5px 9px, #fff 9px 12px, #0a49b3 12px 15px);
}

.brand-eska .main {
  color: #1f86c7;
  font-size: 1.42rem;
  font-weight: 900;
}

.brand-eska small {
  color: #242424;
}

.brand-madas .main {
  position: relative;
  color: #cf171f;
  padding: 9px 18px;
  font-size: 1.34rem;
  font-style: italic;
  font-weight: 900;
}

.brand-madas .main::before,
.brand-madas .main::after {
  position: absolute;
  content: "";
  left: 2px;
  right: 2px;
  height: 3px;
  background: #191919;
}

.brand-madas .main::before {
  top: 2px;
}

.brand-madas .main::after {
  bottom: 2px;
}

.brand-qwcssc {
  flex-direction: column;
}

.brand-qwcssc .main {
  color: #003a8c;
  font-size: 1.12rem;
  font-weight: 900;
}

.brand-qwcssc .main span {
  color: #004aad;
  padding: 0 2px;
}

.brand-qwcssc small {
  color: #31577f;
}

.brand-daikin .main {
  color: #0088cf;
  font-size: 1.12rem;
  font-style: italic;
  font-weight: 900;
}

.daikin-mark {
  width: 34px;
  height: 22px;
  clip-path: polygon(0 0, 100% 0, 30% 100%, 0 100%);
  background: linear-gradient(135deg, #68d6ee 0 42%, #00a7dc 42% 100%);
}

.brand-airfel .main {
  color: #e31925;
  font-size: 1.24rem;
  font-weight: 900;
}

.airfel-mark {
  width: 22px;
  height: 28px;
  border-radius: 70% 10% 60% 40%;
  background: #e31925;
  transform: rotate(25deg);
}

.airfel-mark::after {
  position: absolute;
  content: "";
  width: 10px;
  height: 16px;
  right: 3px;
  bottom: 3px;
  border-radius: 70% 10% 70% 40%;
  background: #fff;
}

.brand-cem {
  flex-direction: column;
  color: #00479d;
}

.brand-cem .main {
  color: #00479d;
  font-size: 1.5rem;
  font-weight: 900;
}

.brand-cem small {
  color: #00479d;
  font-size: 0.56rem;
}

.brand-baylan {
  flex-direction: column;
}

.brand-baylan .main {
  color: #c91f24;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.28rem;
  font-weight: 900;
}

.brand-baylan small {
  color: #1c1c1c;
  font-size: 0.5rem;
}

.brand-broen {
  flex-direction: column;
}

.brand-broen .main {
  color: #e11f2f;
  font-size: 1.28rem;
  font-weight: 900;
}

.brand-broen small {
  color: #747a82;
  font-size: 0.48rem;
}

.catalog-section {
  background: #fff;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 470px);
  gap: 36px;
  align-items: end;
  margin-bottom: 26px;
}

.section-heading h2,
.solution-copy h2,
.about-copy h2,
.buy-copy h2,
.contact-section h2 {
  margin: 0;
  color: var(--ink);
  font-size: 2.35rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p,
.solution-copy p,
.about-copy p,
.buy-copy p,
.contact-section p {
  margin: 0;
  color: var(--muted);
  font-size: 1.03rem;
}

.catalog-toolbar {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  align-items: start;
  margin: 28px 0 14px;
}

.search-wrap {
  position: relative;
}

.search-wrap svg {
  position: absolute;
  left: 14px;
  top: 50%;
  color: var(--muted);
  transform: translateY(-50%);
}

.search-wrap input {
  width: 100%;
  height: 48px;
  padding: 0 14px 0 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-group button {
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: #314156;
  font-weight: 800;
}

.filter-group button.active,
.filter-group button:hover {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.result-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.result-line span:first-child {
  color: var(--blue-dark);
  font-weight: 900;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(7, 28, 55, 0.07);
}

.product-card.hidden {
  display: none;
}

.product-image-button {
  width: 100%;
  padding: 0;
  border: 0;
  background: #eef4fb;
}

.product-image-button img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.product-card:hover .product-image-button img {
  transform: scale(1.025);
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.product-meta span:first-child {
  color: var(--blue);
}

.product-body h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.22;
}

.product-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.product-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 8px;
  border-radius: 6px;
  background: #edf5ff;
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 46px;
  gap: 8px;
  margin-top: 4px;
}

.quote-button,
.details-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-weight: 900;
}

.quote-button {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.details-button {
  color: var(--blue);
  background: #fff;
}

.quote-button:hover,
.details-button:hover {
  filter: brightness(0.96);
}

.solution-band {
  padding: 72px 0;
  color: #fff;
  background: var(--blue-dark);
}

.solution-layout,
.about-layout,
.buy-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.solution-copy h2,
.solution-copy p {
  color: #fff;
}

.solution-copy p {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 16px;
}

.service-list,
.about-points {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.service-list div,
.about-points div {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 50px;
  padding: 12px;
  border-radius: 8px;
}

.service-list div {
  background: rgba(255, 255, 255, 0.08);
}

.service-list svg {
  color: var(--yellow);
}

.feature-image,
.about-image {
  margin: 0;
}

.feature-image img,
.about-image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.feature-image figcaption {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.about-section {
  background: #fff;
}

.about-copy p {
  margin-top: 16px;
}

.about-points div {
  border: 1px solid var(--line);
  background: var(--paper);
}

.about-points svg {
  color: var(--blue);
}

.buy-section {
  background:
    linear-gradient(180deg, rgba(245, 248, 252, 0.96), rgba(245, 248, 252, 0.96)),
    url("assets/why-choose-aztexnogaz.jpeg");
  background-position: center;
  background-size: cover;
}

.buy-copy p {
  margin-top: 16px;
}

.steps {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 4px 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.steps span {
  grid-row: span 2;
  color: var(--blue);
  font-size: 1.35rem;
  font-weight: 900;
}

.steps strong {
  font-size: 1.03rem;
}

.quote-form {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.quote-form h3 {
  margin: 0 0 18px;
  font-size: 1.5rem;
}

.quote-form label {
  display: block;
  margin: 14px 0 6px;
  font-weight: 900;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
}

.quote-form textarea {
  resize: vertical;
}

.form-button {
  width: 100%;
  margin-top: 14px;
}

.quote-form .secondary-button {
  color: var(--blue);
  border-color: var(--line);
  background: #fff;
}

.contact-section {
  color: #fff;
  background:
    linear-gradient(90deg, rgba(2, 30, 72, 0.96), rgba(0, 74, 173, 0.78)),
    url("assets/elster-honeywell-station.jpeg");
  background-position: center;
  background-size: cover;
}

.contact-section h2,
.contact-section p {
  color: #fff;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 14px;
}

.contact-cards {
  display: grid;
  gap: 12px;
}

.contact-cards a {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 2px 12px;
  align-items: center;
  min-height: 74px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
}

.contact-cards svg {
  grid-row: span 2;
  width: 34px;
  height: 34px;
  color: var(--yellow);
}

.contact-cards span {
  color: rgba(255, 255, 255, 0.74);
  font-weight: 800;
}

.contact-cards strong {
  font-size: 1.08rem;
}

.site-footer {
  padding: 28px 0 90px;
  background: #051730;
  color: rgba(255, 255, 255, 0.78);
}

.footer-layout {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
}

.footer-brand {
  min-width: 218px;
}

.footer-brand strong,
.footer-brand small {
  color: #fff;
}

.footer-brand img {
  background: #fff;
}

.footer-layout p {
  margin: 0;
}

.footer-layout div {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: #fff;
  font-weight: 800;
}

.sticky-actions {
  position: fixed;
  left: 50%;
  bottom: 14px;
  z-index: 25;
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 1fr));
  width: min(480px, calc(100% - 28px));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  background: var(--blue);
  box-shadow: 0 18px 40px rgba(0, 45, 104, 0.34);
  transform: translateX(-50%);
}

.sticky-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  color: #fff;
  font-weight: 900;
}

.sticky-actions a + a {
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.product-modal {
  width: min(960px, calc(100% - 28px));
  padding: 0;
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow);
}

.product-modal::backdrop {
  background: rgba(4, 19, 44, 0.72);
}

.modal-close {
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
}

.modal-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) 1fr;
}

.modal-grid > img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  background: var(--steel);
}

.modal-copy {
  padding: 36px;
}

.modal-copy h3 {
  margin: 0 0 14px;
  font-size: 2rem;
  line-height: 1.14;
}

.modal-copy p {
  margin: 0;
  color: var(--muted);
}

.modal-copy ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0;
  list-style: none;
}

.modal-copy li {
  position: relative;
  padding-left: 22px;
  color: #243855;
}

.modal-copy li::before {
  position: absolute;
  content: "";
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.modal-actions .secondary-button {
  color: var(--blue);
  border-color: var(--line);
  background: #fff;
}

@media (max-width: 1040px) {
  .contact-rail {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .nav-shell {
    gap: 14px;
  }

  .nav-links {
    gap: 14px;
    font-size: 0.94rem;
  }

  .trust-grid,
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .section-inner,
  .nav-shell,
  .hero-content {
    width: min(100% - 28px, 1180px);
  }

  .nav-shell {
    height: 70px;
    justify-content: space-between;
  }

  .brand {
    min-width: 176px;
  }

  .brand img {
    width: 40px;
    height: 48px;
  }

  .brand strong {
    font-size: 1.18rem;
  }

  .brand small {
    font-size: 0.86rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px;
    border-radius: 6px;
  }

  .nav-links a:hover {
    background: var(--paper);
  }

  .nav-links a::after {
    display: none;
  }

  .hero {
    min-height: 76svh;
    background-image:
      linear-gradient(90deg, rgba(4, 19, 44, 0.95) 0%, rgba(4, 32, 73, 0.84) 54%, rgba(4, 32, 73, 0.42) 100%),
      url("assets/elster-honeywell-station.jpeg");
    background-position: center;
  }

  .hero h1 {
    max-width: 520px;
    font-size: 3.1rem;
  }

  .hero-copy {
    max-width: 540px;
    font-size: 1rem;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-heading,
  .solution-layout,
  .about-layout,
  .buy-layout,
  .contact-layout,
  .footer-layout,
  .modal-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 14px;
  }

  .solution-layout,
  .about-layout,
  .buy-layout,
  .contact-layout {
    gap: 28px;
  }

  .modal-grid > img {
    min-height: 340px;
    aspect-ratio: 1 / 1;
  }
}

@media (max-width: 620px) {
  .contact-rail {
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 14px;
    padding: 8px 14px;
    font-size: 0.86rem;
  }

  .contact-rail a {
    min-height: 24px;
  }

  .partners,
  .catalog-section,
  .about-section,
  .buy-section,
  .contact-section,
  .solution-band {
    padding: 52px 0;
  }

  .hero {
    min-height: 82svh;
  }

  .hero-content {
    padding: 72px 0 38px;
  }

  .hero h1 {
    font-size: 2.45rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-metrics,
  .trust-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    min-height: 76px;
  }

  .section-heading h2,
  .solution-copy h2,
  .about-copy h2,
  .buy-copy h2,
  .contact-section h2 {
    font-size: 1.9rem;
  }

  .result-line {
    flex-direction: column;
    gap: 4px;
  }

  .filter-group {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .filter-group button {
    flex: 0 0 auto;
  }

  .steps li {
    grid-template-columns: 44px 1fr;
  }

  .quote-form,
  .modal-copy {
    padding: 20px;
  }

  .footer-layout {
    align-items: start;
  }

  .footer-layout div {
    display: grid;
    gap: 8px;
  }
}