:root {
  --coral: #f46f58;
  --coral-dark: #c94635;
  --ink: #172321;
  --slate: #344542;
  --muted: #6a7774;
  --line: #dde7e2;
  --sage: #dfeee5;
  --sky: #d8e8f4;
  --cream: #fff8ee;
  --gold: #f4c95d;
  --white: #ffffff;
  --shadow: 0 20px 55px rgba(23, 35, 33, 0.14);
  --shadow-soft: 0 16px 36px rgba(23, 35, 33, 0.08);
  --radius: 8px;
  --radius-sm: 6px;
  --max: 1200px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 122px; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #fffdfa 0%, #f7faf6 46%, var(--white) 100%);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.skip-link, .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.skip-link:focus {
  width: auto;
  height: auto;
  clip: auto;
  z-index: 20;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(221, 231, 226, 0.86);
  backdrop-filter: blur(14px);
}

.promo-bar {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.82rem;
  text-align: center;
}

.nav {
  display: flex;
  max-width: 1200px;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
  padding: 0 22px;
}

.brand img {
  width: 184px;
  padding: 6px 8px;
  border-radius: var(--radius);
  background: var(--ink);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--slate);
  font-size: 0.94rem;
  font-weight: 800;
}

.nav-menu a { transition: color 160ms ease; }
.nav-menu a:hover, .nav-menu .active { color: var(--coral-dark); }

.nav-cta {
  padding: 11px 16px;
  border: 1px solid var(--coral);
  border-radius: var(--radius);
  background: var(--coral);
  color: var(--white) !important;
  box-shadow: 0 10px 24px rgba(244, 111, 88, 0.25);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(244, 111, 88, 0.34);
}

.language-switcher select {
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 19px;
  height: 2px;
  margin: 3px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 110px);
  align-items: end;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #172321;
  animation: heroBreath 10s ease-in-out infinite alternate;
}

.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.01);
}

.hero-media::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(23, 35, 33, 0.74), rgba(23, 35, 33, 0.44) 34%, rgba(23, 35, 33, 0.06) 68%),
    radial-gradient(circle at 22% 32%, rgba(255, 122, 96, 0.24), transparent 35%);
  content: "";
}

.hero::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 10%, rgba(255, 255, 255, 0.12) 43%, transparent 62%);
  content: "";
  transform: translateX(-70%);
  animation: lightSweep 7.5s ease-in-out infinite;
  pointer-events: none;
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 44px));
  padding: 12vh 0 10vh;
  margin-left: max(22px, calc((100vw - 1200px) / 2));
  margin-right: auto;
  color: var(--white);
}

.home-hero .hero-content {
  width: min(650px, calc(100% - 44px));
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3, p {
  overflow-wrap: break-word;
  word-break: normal;
}
.hero h1, .page-hero h1, .section-heading h2, .split-copy h2, .final-cta h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero h1 { font-size: clamp(2.35rem, 5.4vw, 4.8rem); }
.hero p:not(.eyebrow), .page-hero p, .split-copy p, .final-cta p, .feature-grid p, .image-card p, .product-card p, .blog-grid p, .contact-panel span {
  color: var(--muted);
  line-height: 1.62;
}

.hero p:not(.eyebrow) {
  max-width: 560px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.06rem;
}

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

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-metrics span {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.11);
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.hero-metrics strong {
  color: var(--white);
  font-size: 1.2rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 19px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 900;
  cursor: pointer;
}

.button.primary { background: var(--coral); border-color: var(--coral); color: var(--white); }
.button.secondary { background: var(--ink); border-color: var(--ink); color: var(--white); }
.button.ghost { border-color: rgba(255, 255, 255, 0.72); color: var(--white); }

.button {
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(23, 35, 33, 0.18);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: -34px auto 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 45px rgba(23, 35, 33, 0.1);
}

.trust-strip div {
  padding: 22px;
  border-right: 1px solid var(--line);
}

.trust-strip strong, .trust-strip span { display: block; }
.trust-strip strong { margin-bottom: 6px; }
.trust-strip span { color: var(--muted); line-height: 1.45; }
.trust-strip span { overflow-wrap: break-word; }

.section, .split-section, .final-cta, .contact-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 88px 22px;
}

.section.reveal,
.brand-story-section,
.split-section,
.final-cta {
  content-visibility: auto;
  contain-intrinsic-size: 1px 720px;
}

.brand-story-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 54px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 22px;
}

.brand-story-copy {
  position: relative;
}

.brand-story-copy::before {
  display: block;
  width: 72px;
  height: 3px;
  margin-bottom: 24px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  content: "";
}

.brand-story-copy h2 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 3.65rem);
  line-height: 1.02;
}

.brand-story-copy p {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.72;
}

.brand-story-media {
  position: relative;
}

.brand-story-media::before {
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid rgba(244, 111, 88, 0.28);
  border-radius: var(--radius);
  content: "";
  z-index: -1;
}

.brand-story-media img {
  width: 100%;
  aspect-ratio: 1.28 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.section.tinted {
  max-width: none;
  background: #f4f7f2;
}

.section.tinted > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

.section-heading h2, .split-copy h2, .final-cta h2, .page-hero h1 {
  max-width: min(760px, calc(100vw - 44px));
  font-size: clamp(1.9rem, 3.45vw, 3.15rem);
}

.section-heading > div {
  max-width: 820px;
}

.section-lede {
  max-width: 690px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.68;
}

.section-heading a {
  flex: 0 0 auto;
  color: var(--coral-dark);
  font-weight: 900;
}

.feature-grid, .service-preview-grid, .testimonial-grid, .product-grid, .blog-grid, .process-grid {
  display: grid;
  gap: 18px;
}

.feature-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.blog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-preview-grid, .testimonial-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.process-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.feature-grid article, .process-grid article, .difference-list article, .blog-grid article, .product-card, .contact-form, .contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.feature-grid article, .process-grid article, .difference-list article {
  position: relative;
  overflow: hidden;
  padding: 24px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.feature-grid article::before, .process-grid article::before, .difference-list article::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  content: "";
}

.feature-grid article:hover, .process-grid article:hover, .difference-list article:hover {
  transform: translateY(-5px);
  border-color: rgba(244, 111, 88, 0.38);
  box-shadow: 0 20px 45px rgba(23, 35, 33, 0.1);
}

.feature-number, .process-grid span, .product-card span, .blog-grid span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--coral-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.feature-grid h3, .image-card h3, .product-card h2, .blog-grid h2, .process-grid h3 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.22;
}

.image-card {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.image-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 60px rgba(23, 35, 33, 0.16);
}

.image-card img {
  width: 100%;
  aspect-ratio: 1.25 / 1;
  object-fit: cover;
  transition: transform 320ms ease;
}

.image-card:hover img {
  transform: scale(1.04);
}

.image-card div { padding: 20px; }

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.split-media img {
  width: 100%;
  aspect-ratio: 1.08 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.split-copy p { max-width: 620px; }

.testimonial-grid blockquote {
  margin: 0;
  padding: 26px;
  border-radius: var(--radius);
  background: var(--sky);
  line-height: 1.62;
}

cite {
  display: block;
  margin-top: 16px;
  color: var(--slate);
  font-style: normal;
  font-weight: 900;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid var(--line);
}

.page-hero {
  padding: 92px 22px 76px;
  background:
    linear-gradient(90deg, rgba(23, 35, 33, 0.86), rgba(23, 35, 33, 0.38)),
    url("../assets/brand/hero-brand.webp") center / cover;
  color: var(--white);
}

.page-hero.compact {
  background:
    linear-gradient(90deg, rgba(23, 35, 33, 0.86), rgba(23, 35, 33, 0.25)),
    url("../assets/brand/inquiry-samples.webp") center / cover;
}

.page-hero.catalog-hero {
  background:
    linear-gradient(90deg, rgba(23, 35, 33, 0.9), rgba(23, 35, 33, 0.64) 36%, rgba(23, 35, 33, 0.18) 76%),
    url("../assets/brand/home-hero-clean.webp") center / cover;
}

.about-hero {
  background:
    linear-gradient(90deg, rgba(23, 35, 33, 0.86), rgba(23, 35, 33, 0.25)),
    url("../assets/brand/brand-story.webp") center / cover;
}

.page-hero > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.page-hero p:not(.eyebrow) {
  max-width: min(640px, calc(100vw - 44px));
  margin-top: 18px;
  margin-left: max(22px, calc((100vw - 1200px) / 2));
  margin-right: auto;
  color: rgba(255, 255, 255, 0.9);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-button {
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--slate);
  font-weight: 900;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.filter-button.active { background: var(--ink); color: var(--white); border-color: var(--ink); }
.filter-button:hover { transform: translateY(-2px); border-color: var(--coral); }
.filter-button span {
  margin-left: 6px;
  color: currentColor;
  opacity: 0.72;
  font-size: 0.82rem;
}

.filter-button .filter-label {
  margin-left: 0;
  opacity: 1;
  font-size: inherit;
}

.product-card {
  display: grid;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

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

.product-card:hover {
  transform: translateY(-7px);
  border-color: rgba(244, 111, 88, 0.42);
  box-shadow: 0 24px 55px rgba(23, 35, 33, 0.13);
}

.product-card img, .blog-grid img {
  width: 100%;
  aspect-ratio: 1 / 0.82;
  object-fit: cover;
  background: #f2f6f0;
  transition: transform 320ms ease;
}

.product-card:hover img, .blog-grid article:hover img {
  transform: scale(1.035);
}

.product-card > div, .blog-grid article > :not(img) {
  margin-left: 18px;
  margin-right: 18px;
}

.product-card > div {
  display: grid;
  min-height: 260px;
  align-content: start;
  padding: 18px 0;
}

.product-card strong {
  margin-top: auto;
  font-size: 1.2rem;
  color: var(--slate);
}

.product-card a, .blog-grid a {
  margin-top: 12px;
  color: var(--coral-dark);
  font-weight: 900;
}

.product-card a::after, .blog-grid a::after {
  content: " ->";
}

.catalog-overview {
  padding-top: 76px;
}

.catalog-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.catalog-kpis article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--white), #f9fbf8);
}

.catalog-kpis strong {
  display: block;
  margin-bottom: 5px;
  color: var(--coral-dark);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1;
}

.catalog-kpis span {
  color: var(--muted);
  font-weight: 800;
}

.catalog-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 14px;
  align-items: end;
  margin: 24px 0 18px;
}

.catalog-search, .catalog-select {
  display: grid;
  gap: 8px;
  color: var(--slate);
  font-size: 0.9rem;
  font-weight: 900;
}

.catalog-select select {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}

.catalog-result-count {
  margin: 0 0 18px;
  color: var(--muted);
  font-weight: 800;
}

.catalog-commerce-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.catalog-main-column {
  min-width: 0;
}

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

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

.catalog-family-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 42px rgba(23, 35, 33, 0.07);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.catalog-family-card:hover {
  transform: translateY(-6px);
  border-color: rgba(244, 111, 88, 0.38);
  box-shadow: 0 24px 55px rgba(23, 35, 33, 0.12);
}

.catalog-family-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1.34 / 1;
  object-fit: cover;
  background: #f2f6f0;
  transition: transform 320ms ease;
}

.catalog-family-card:hover img {
  transform: scale(1.035);
}

.catalog-family-card div {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 20px;
}

.catalog-family-card span, .product-status {
  color: var(--coral-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.catalog-family-card h3 {
  margin: 0;
  font-size: 1.28rem;
}

.catalog-family-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.catalog-family-card strong {
  color: var(--slate);
  line-height: 1.45;
}

.catalog-card .product-image-link {
  display: block;
  margin: 0;
  color: inherit;
  overflow: hidden;
}

.catalog-card .product-image-link::after {
  content: none;
}

.catalog-card .catalog-name {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.product-points {
  display: grid;
  gap: 7px;
  padding: 0;
  margin: 14px 0 16px;
  list-style: none;
  color: var(--slate);
  font-size: 0.9rem;
  line-height: 1.42;
}

.product-points li {
  position: relative;
  padding-left: 18px;
}

.product-points li::before {
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  content: "";
}

.commerce-card > div {
  min-height: auto;
}

.product-specs {
  margin: 0 0 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.product-specs summary {
  cursor: pointer;
  color: var(--slate);
  font-weight: 900;
}

.product-spec-list {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

.product-spec-list div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  min-height: 0;
  margin: 0;
  padding: 0;
}

.product-spec-list dt {
  color: var(--slate);
  font-size: 0.82rem;
  font-weight: 900;
}

.product-spec-list dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.product-feature-list {
  display: grid;
  gap: 7px;
  padding-left: 18px;
  margin: 0 0 12px;
  color: var(--slate);
  font-size: 0.9rem;
  line-height: 1.42;
}

.product-specs p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.breadcrumb {
  max-width: var(--max);
  margin: 128px auto -82px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  color: rgba(28, 39, 36, 0.58);
  font-size: 0.9rem;
  position: relative;
  z-index: 2;
}

.breadcrumb a {
  color: var(--ink);
  font-weight: 800;
}

.seo-hero {
  margin-top: 96px;
}

.seo-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 28px;
  align-items: start;
}

.seo-detail-grid > div {
  min-width: 0;
}

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

.buyer-education-card,
.product-faq-card,
.tank-card,
.detail-inquiry-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 36px rgba(23, 35, 33, 0.08);
}

.buyer-education-card h3,
.product-faq-card h3,
.tank-card h2,
.detail-inquiry-panel h2 {
  margin: 0 0 10px;
  line-height: 1.16;
}

.buyer-education-card p,
.product-faq-card p,
.tank-card p,
.detail-inquiry-panel p {
  color: var(--muted);
  line-height: 1.7;
}

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

.tank-card.wide {
  grid-column: 1 / -1;
}

.tank-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.tank-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.tank-list li::before {
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--coral);
  content: "";
}

.detail-inquiry-panel {
  display: grid;
  gap: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(223, 238, 229, 0.5));
}

.detail-inquiry-panel .product-order-form {
  margin-top: 0;
}

.detail-feedback {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--coral-dark);
  font-weight: 850;
}

.detail-feedback a {
  text-decoration: underline;
}

.static-product-grid {
  align-items: stretch;
}

.static-product-card h2 a {
  color: inherit;
}

.product-detail-page {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1.08fr);
  gap: 42px;
  align-items: center;
  padding-top: 172px;
}

.product-detail-media {
  background: linear-gradient(145deg, rgba(244, 111, 88, 0.08), rgba(48, 124, 114, 0.1));
  border: 1px solid rgba(28, 39, 36, 0.1);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  border-radius: var(--radius);
}

.product-detail-media img {
  width: 100%;
  aspect-ratio: 1 / 0.82;
  object-fit: cover;
  display: block;
}

.product-detail-copy h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2.3rem, 5vw, 5rem);
  line-height: 0.94;
  letter-spacing: 0;
  margin: 10px 0 18px;
}

.product-detail-copy p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(28, 39, 36, 0.1);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.variant-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.variant-table th,
.variant-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(28, 39, 36, 0.08);
  vertical-align: top;
}

.variant-table th {
  background: rgba(48, 124, 114, 0.08);
  color: var(--ink);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.related-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.related-product {
  display: grid;
  gap: 12px;
  color: var(--ink);
  font-weight: 850;
}

.related-product img {
  width: 100%;
  aspect-ratio: 1 / 0.82;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(28, 39, 36, 0.1);
  background: var(--white);
}

.blog-article {
  max-width: 1120px;
  margin: 0 auto;
  padding: 156px 22px 26px;
}

.article-hero {
  display: grid;
  gap: 20px;
}

.article-hero h1 {
  max-width: 980px;
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2.5rem, 6vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.article-hero > p,
.article-body p {
  max-width: 820px;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.82;
}

.article-hero figure,
.article-inline-image {
  margin: 10px 0 18px;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(28, 39, 36, 0.1);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.article-hero img,
.article-inline-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.article-inline-image {
  max-width: 880px;
}

.article-inline-image figcaption {
  padding: 12px 16px;
  color: var(--muted);
  font-size: 0.88rem;
}

.featured-answer {
  padding: 18px 20px;
  border-left: 4px solid var(--coral);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(244, 111, 88, 0.08);
}

.article-body {
  display: grid;
  gap: 60px;
  margin-top: 36px;
}

.article-section {
  display: grid;
  gap: 14px;
}

.article-section h2,
.article-conclusion h2,
.article-footnotes h2 {
  max-width: 820px;
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.dive-deeper {
  display: grid;
  gap: 18px;
  max-width: 900px;
}

.dive-deeper h3 {
  margin: 14px 0 0;
  color: var(--ink);
  font-size: 1.08rem;
}

.article-table {
  width: 100%;
  max-width: 900px;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid rgba(28, 39, 36, 0.1);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.article-table th,
.article-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(28, 39, 36, 0.08);
  text-align: left;
  vertical-align: top;
  font-size: 0.94rem;
  line-height: 1.5;
}

.article-table th {
  background: rgba(48, 124, 114, 0.08);
  color: var(--ink);
  font-weight: 900;
}

.article-footnotes {
  max-width: 900px;
  padding: 26px;
  border-radius: var(--radius);
  background: #f4f7f2;
}

.article-footnotes ol {
  margin: 14px 0 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.8;
}

.article-related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.article-related-links a {
  padding: 16px;
  border: 1px solid rgba(28, 39, 36, 0.1);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  font-weight: 850;
  line-height: 1.35;
}

.product-order-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: auto;
}

.product-order-form label,
.inquiry-submit-form label {
  display: grid;
  gap: 7px;
  color: var(--slate);
  font-size: 0.86rem;
  font-weight: 900;
}

.product-order-form select,
.product-order-form input,
.inquiry-submit-form input,
.inquiry-submit-form textarea {
  min-height: 44px;
  border-color: var(--line);
  background: #fbfdf9;
}

.variant-note {
  grid-column: 1 / -1;
  min-height: 48px;
  margin: 0;
  padding: 11px 12px;
  border-radius: var(--radius);
  background: #f4f7f2;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.add-inquiry-button {
  grid-column: 1 / -1;
  width: 100%;
}

.inquiry-sidebar {
  position: sticky;
  top: 126px;
  display: grid;
  max-height: calc(100dvh - 150px);
  align-content: start;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 22px 55px rgba(23, 35, 33, 0.12);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.inquiry-sidebar-head {
  display: grid;
  gap: 12px;
}

.inquiry-sidebar-head h2 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.12;
}

.inquiry-sidebar-head strong {
  justify-self: start;
  padding: 8px 10px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  font-size: 0.86rem;
}

.inquiry-items {
  display: grid;
  max-height: clamp(180px, 28dvh, 340px);
  overflow: auto;
  gap: 10px;
  padding-right: 4px;
  overscroll-behavior: contain;
}

.empty-inquiry {
  margin: 0;
  padding: 16px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  line-height: 1.5;
}

.inquiry-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 10px;
  position: relative;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdf9;
}

.inquiry-item img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  object-fit: cover;
}

.inquiry-item strong,
.inquiry-item span,
.inquiry-item small {
  display: block;
}

.inquiry-item span,
.inquiry-item small {
  color: var(--muted);
  line-height: 1.35;
}

.inquiry-item button {
  grid-column: 1 / -1;
  justify-self: start;
  border: 0;
  background: transparent;
  color: var(--coral-dark);
  font-weight: 900;
  cursor: pointer;
}

.inquiry-submit-form {
  display: grid;
  gap: 12px;
}

.compact-grid .product-card:nth-child(n+7) {
  display: none;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 42px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--white);
  text-align: center;
}

.empty-state h2 {
  margin: 0 0 8px;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
}

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

.process-grid span {
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
}

.faq-section details {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}

.faq-section details:last-child { border-bottom: 1px solid var(--line); }
.faq-section summary { cursor: pointer; font-weight: 900; }
.faq-section details p { color: var(--muted); line-height: 1.62; }

.blog-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.blog-feature img {
  width: 100%;
  aspect-ratio: 1.35 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.blog-feature h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  line-height: 1.05;
}

.blog-feature p { color: var(--muted); line-height: 1.62; }
.blog-grid article {
  display: grid;
  align-content: start;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.blog-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(23, 35, 33, 0.11);
}
.blog-grid article > :last-child { margin-bottom: 20px; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.contact-form, .contact-panel {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--slate);
  font-weight: 900;
}

input, textarea, select {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
}

textarea { resize: vertical; }

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.form-honey {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.contact-panel a {
  color: var(--coral-dark);
  font-weight: 900;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
}

.contact-panel iframe {
  width: 100%;
  min-height: 280px;
  border: 0;
  border-radius: var(--radius);
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  animation: revealSoft 700ms ease both;
  transition: transform 220ms ease, opacity 220ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes revealSoft {
  from { opacity: 1; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroBreath {
  from { transform: scale(1); filter: saturate(1); }
  to { transform: scale(1.04); filter: saturate(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes lightSweep {
  0%, 58%, 100% { transform: translateX(-72%); opacity: 0; }
  72% { transform: translateX(72%); opacity: 1; }
}

@keyframes whatsappBreath {
  0%, 100% { box-shadow: 0 18px 42px rgba(34, 197, 94, 0.32); transform: translateY(0); }
  50% { box-shadow: 0 18px 42px rgba(34, 197, 94, 0.5), 0 0 0 8px rgba(34, 197, 94, 0.1); transform: translateY(-2px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.site-footer {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, minmax(140px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 54px 22px 30px;
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: 170px;
  padding: 8px;
  border-radius: var(--radius);
  background: var(--ink);
}

.site-footer h2 {
  margin: 0 0 12px;
  font-size: 0.92rem;
  text-transform: uppercase;
}

.site-footer a, .site-footer span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
}

.footer-brand p {
  max-width: 330px;
  color: var(--muted);
  line-height: 1.58;
}

.copyright {
  grid-column: 1 / -1;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: 999px;
  background: #22c55e;
  color: var(--white);
  font-weight: 900;
  box-shadow: 0 18px 42px rgba(34, 197, 94, 0.32);
  animation: whatsappBreath 2.8s ease-in-out infinite;
}

.whatsapp-float::before {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--white);
  content: "";
}

.whatsapp-float:hover {
  transform: translateY(-3px);
}

@media (max-width: 980px) {
  .nav-toggle { display: grid; }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 18px 22px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--white);
  }
  .nav-menu.is-open { display: grid; }
  .language-switcher,
  .language-switcher select {
    width: 100%;
  }
  .trust-strip, .feature-grid.four, .product-grid, .blog-grid, .process-grid, .site-footer { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-kpis, .catalog-family-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid.three, .service-preview-grid, .testimonial-grid, .difference-list, .split-section, .blog-feature, .contact-layout, .brand-story-section { grid-template-columns: 1fr; }
  .buyer-education-grid, .product-faq-grid, .tank-content-grid { grid-template-columns: 1fr; }
  .catalog-commerce-layout {
    grid-template-columns: 1fr;
  }
  .catalog-commerce-layout .catalog-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .seo-detail-grid,
  .product-detail-page {
    grid-template-columns: 1fr;
  }
  .product-detail-page {
    padding-top: 142px;
  }
  .related-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .article-related-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .inquiry-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    scrollbar-gutter: auto;
  }
  .page-hero h1,
  .page-hero p:not(.eyebrow) {
    max-width: min(360px, calc(100vw - 44px));
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }
  .site-header, main, .site-footer {
    max-width: 100vw;
    overflow-x: hidden;
  }
  .promo-bar {
    display: block;
    padding-left: 18px;
    padding-right: 18px;
    font-size: 0.78rem;
    line-height: 1.35;
    white-space: normal;
    overflow-wrap: break-word;
    font-size: 0;
  }
  .promo-bar::before {
    content: "Echo Paw B2B catalog | 155 product references";
    font-size: 0.78rem;
  }
  .nav {
    width: 100vw;
    max-width: 100vw;
  }
  .nav-toggle {
    display: grid !important;
    flex: 0 0 44px;
    margin-left: auto;
    position: relative;
    z-index: 2;
  }
  .brand img { width: 150px; }
  .hero {
    width: 100vw;
    max-width: 100vw;
    min-height: 760px;
  }
  .hero-media img {
    object-position: 61% center;
  }
  .hero-media::after {
    background:
      linear-gradient(0deg, rgba(23, 35, 33, 0.92), rgba(23, 35, 33, 0.62) 56%, rgba(23, 35, 33, 0.22)),
      radial-gradient(circle at 50% 18%, rgba(255, 122, 96, 0.2), transparent 42%);
  }
  .hero-content {
    width: min(310px, calc(100vw - 72px));
    max-width: min(310px, calc(100vw - 72px));
    padding-bottom: 70px;
    margin-left: 22px;
  }
  .hero h1 {
    font-size: clamp(1.78rem, 8vw, 2.12rem);
    line-height: 1.08;
  }
  .hero p:not(.eyebrow) {
    max-width: 100%;
    font-size: 1rem;
  }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .hero-actions .button {
    width: 100%;
    padding-left: 12px;
    padding-right: 12px;
    text-align: center;
  }
  .trust-strip {
    width: min(340px, calc(100vw - 50px));
    max-width: min(340px, calc(100vw - 50px));
    margin: -28px 14px 0;
  }
  .trust-strip, .feature-grid.four, .product-grid, .blog-grid, .process-grid, .site-footer, .catalog-kpis, .catalog-family-grid, .catalog-toolbar, .catalog-commerce-layout .catalog-product-grid, .buyer-education-grid, .product-faq-grid, .tank-content-grid { grid-template-columns: 1fr; }
  .product-order-form { grid-template-columns: 1fr; }
  .breadcrumb {
    margin: 108px auto -46px;
    padding: 0 22px;
    font-size: 0.82rem;
  }
  .seo-hero {
    margin-top: 74px;
  }
  .seo-detail-grid,
  .related-product-grid {
    grid-template-columns: 1fr;
  }
  .product-detail-page {
    padding-top: 124px;
    gap: 24px;
  }
  .blog-article {
    padding-top: 124px;
  }
  .article-hero h1 {
    font-size: clamp(2.1rem, 10vw, 3rem);
  }
  .article-section h2,
  .article-conclusion h2,
  .article-footnotes h2 {
    font-size: clamp(1.8rem, 8vw, 2.45rem);
  }
  .article-table {
    display: block;
    overflow-x: auto;
  }
  .article-related-links {
    grid-template-columns: 1fr;
  }
  .product-detail-copy h1 {
    font-size: clamp(2rem, 9vw, 2.7rem);
  }
  .variant-table {
    min-width: 460px;
  }
  .section, .split-section, .final-cta, .contact-layout, .brand-story-section { padding-top: 62px; padding-bottom: 62px; }
  .section-heading, .final-cta { display: block; }
  .section-heading a, .final-cta .button { margin-top: 16px; }
  .product-card > div { min-height: auto; }
  .page-hero {
    padding: 68px 22px 58px;
  }
  .page-hero > * {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  .page-hero h1 {
    width: 100%;
    max-width: 100%;
    font-size: clamp(1.9rem, 8.2vw, 2.28rem);
    line-height: 1.08;
  }
  .page-hero p:not(.eyebrow) {
    max-width: 100%;
    margin-left: 0;
    font-size: 0.98rem;
  }
  .hero-metrics { display: grid; }
  .whatsapp-float {
    right: max(14px, calc(100vw - 376px));
    bottom: 14px;
    width: 54px;
    min-height: 54px;
    justify-content: center;
    padding: 0;
    overflow: hidden;
    color: transparent;
    font-size: 0;
  }
.whatsapp-float::before { margin: 0; }
}

.resource-grid,
.case-study-grid,
.case-fact-grid,
.service-delivery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.resource-card,
.case-study-card,
.case-fact-grid article,
.service-delivery-grid article {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.resource-card p,
.case-study-card p,
.case-fact-grid p,
.service-delivery-grid p,
.catalog-availability-note,
.form-note {
  color: var(--muted);
  line-height: 1.62;
}

.resource-card h3,
.case-study-card h2,
.case-fact-grid h3,
.service-delivery-grid h3 {
  margin: 0;
}

.case-study-card {
  position: relative;
  overflow: hidden;
}

.case-study-card::before {
  width: 44px;
  height: 4px;
  background: var(--coral);
  content: "";
}

.scenario-disclaimer {
  max-width: 880px;
  padding: 1rem 1.1rem;
  border-left: 4px solid #ffd0c0;
  background: #3d211b;
  color: #ffffff;
  line-height: 1.6;
}

.scenario-disclaimer strong {
  color: inherit;
}

.case-meta,
.article-meta,
.catalog-availability-note {
  margin: 0;
  font-size: 0.9rem;
}

.case-meta {
  color: var(--coral-dark);
  font-weight: 850;
}

.case-detail-list,
.service-delivery-grid ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.catalog-availability-note {
  margin: 14px 0 22px;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(244, 201, 93, 0.14);
}

.catalog-static-card {
  min-height: 0;
}

.catalog-static-card > div {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.catalog-static-card h2 {
  margin: 0;
  font-size: 1rem;
}

.catalog-static-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.contact-form fieldset,
.inquiry-submit-form fieldset {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.contact-form legend,
.inquiry-submit-form legend {
  margin-bottom: 2px;
  color: var(--slate);
  font-weight: 900;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.choice-row label,
.consent-row {
  display: flex !important;
  align-items: center;
  gap: 8px;
  font-weight: 700 !important;
}

.choice-row input,
.consent-row input {
  width: auto;
}

.article-meta {
  color: var(--muted);
}

@media (max-width: 760px) {
  .resource-grid,
  .case-study-grid,
  .case-fact-grid,
  .service-delivery-grid {
    grid-template-columns: 1fr;
  }
}