:root {
  --color-bg: #f7f8f6;
  --color-surface: #ffffff;
  --color-surface-alt: #eef3f0;
  --color-text: #17201d;
  --color-muted: #64706b;
  --color-line: #dfe6e2;
  --color-primary: #11634d;
  --color-primary-dark: #0a4536;
  --color-cta: #c56a27;
  --color-cta-dark: #9c4e18;
  --shadow-soft: 0 18px 48px rgba(19, 32, 28, 0.1);
  --shadow-tight: 0 10px 28px rgba(19, 32, 28, 0.08);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --font-base: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.55;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
select,
a,
input,
textarea {
  outline-offset: 3px;
}

:focus-visible {
  outline: 3px solid rgba(17, 99, 77, 0.35);
}

.container {
  width: min(1220px, calc(100% - 32px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--color-text);
  color: var(--color-surface);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(223, 230, 226, 0.86);
  background: rgba(247, 248, 246, 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px 5px 5px 9px;
  border-left: 8px solid var(--color-cta);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 2vw, 1.7rem);
  color: var(--color-muted);
  font-size: 0.94rem;
}

.site-nav a:hover,
.header-contact a:hover {
  color: var(--color-primary);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-weight: 650;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.82rem 1.2rem;
  border: 1px solid var(--color-cta);
  border-radius: var(--radius-sm);
  background: var(--color-cta);
  color: #fff;
  font-weight: 730;
  line-height: 1;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  background: var(--color-cta-dark);
  border-color: var(--color-cta-dark);
  transform: translateY(-1px);
}

.button-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: rgba(17, 99, 77, 0.35);
}

.button-secondary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.button-small {
  min-height: 40px;
  padding-inline: 1rem;
  font-size: 0.9rem;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-text);
}

.hero {
  padding: clamp(2rem, 4vw, 4rem) 0 var(--space-8);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(450px, 0.98fr);
  gap: clamp(1.8rem, 4vw, 3.2rem);
  align-items: start;
}

.product-gallery,
.product-summary,
.dimension-panel,
.contact-card,
.inquiry-form {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-tight);
}

.product-gallery {
  padding: clamp(1rem, 2vw, 1.4rem);
}

.gallery-stage {
  position: relative;
  min-height: clamp(320px, 40vw, 560px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fbfcfb 0%, #eef3f0 100%);
}

.gallery-stage img {
  width: 100%;
  height: min(520px, 52vw);
  object-fit: contain;
  padding: clamp(0.8rem, 2vw, 1.8rem);
}

.gallery-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(17, 99, 77, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  cursor: pointer;
}

.gallery-arrow::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-top: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
}

.gallery-arrow-prev {
  left: 1rem;
}

.gallery-arrow-prev::before {
  transform: rotate(-135deg);
}

.gallery-arrow-next {
  right: 1rem;
}

.gallery-arrow-next::before {
  transform: rotate(45deg);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.thumb {
  height: 94px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fbfcfb;
  cursor: pointer;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.45rem;
}

.thumb.is-active {
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 2px rgba(17, 99, 77, 0.16);
}

.product-summary {
  padding: clamp(1.3rem, 3vw, 2rem);
}

.badge,
.section-kicker {
  display: inline-flex;
  margin-top: var(--space-5);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-summary .badge {
  margin-top: 0;
  margin-bottom: var(--space-3);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(2.25rem, 4vw, 3.4rem);
  line-height: 1.03;
  letter-spacing: 0;
}

.product-summary h1 {
  max-width: 13ch;
  font-size: clamp(2.05rem, 3vw, 3rem);
  line-height: 1.02;
}

h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.05;
}

h3 {
  font-size: 1.04rem;
}

.subtitle {
  margin-bottom: var(--space-3);
  color: var(--color-primary-dark);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  font-weight: 720;
}

.lead,
.section-intro,
.text-column p,
.delivery p,
.contact-layout > div > p {
  color: var(--color-muted);
}

.property-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.property-grid span {
  padding: 0.8rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fbfcfb;
  font-weight: 680;
}

.price-panel {
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  border-left: 4px solid var(--color-cta);
  background: #fff8f2;
}

.price-panel span,
.price-panel small {
  display: block;
  color: var(--color-muted);
}

.price-panel small + small {
  margin-top: 0.25rem;
  color: var(--color-primary-dark);
  font-weight: 760;
}

.price-panel strong {
  display: block;
  margin: 0.1rem 0;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.1;
}

.configurator {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.configurator label {
  min-width: 0;
}

.configurator label,
.inquiry-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 680;
}

select,
input,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  padding: 0.75rem 0.85rem;
}

textarea {
  resize: vertical;
}

.quantity {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 74px;
  font-weight: 680;
}

.quantity-controls {
  display: inline-grid;
  grid-template-columns: 42px 50px 42px;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.quantity-controls button {
  height: 42px;
  border: 0;
  background: #f3f6f4;
  cursor: pointer;
  font-weight: 800;
}

.quantity-controls output {
  text-align: center;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.advice-card {
  padding: var(--space-4);
  border: 1px solid rgba(17, 99, 77, 0.18);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.advice-card strong,
.advice-card span {
  display: block;
}

.trust {
  padding: var(--space-5) 0;
  border-block: 1px solid var(--color-line);
  background: var(--color-surface);
}

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

.trust article {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.trust svg {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.section {
  padding: var(--space-8) 0;
}

.section-muted {
  background: var(--color-surface-alt);
}

.specs-layout,
.delivery-inner,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

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

th,
td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
}

tr:last-child th,
tr:last-child td {
  border-bottom: 0;
}

th {
  width: 38%;
  color: var(--color-muted);
  font-weight: 650;
}

.placeholder-note {
  color: var(--color-cta-dark);
  font-weight: 780;
}

.dimension-panel {
  padding: var(--space-5);
}

.mini-drawing {
  display: grid;
  gap: 0.55rem;
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fbfcfb;
}

.mini-drawing strong {
  color: var(--color-primary-dark);
  font-size: 1.18rem;
}

.mini-drawing span {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
}

.mini-drawing span:last-child {
  border-bottom: 0;
}

.drawing-section {
  padding-top: 0;
}

.drawing-title {
  padding: 1rem 1.2rem;
  border: 1px solid var(--color-line);
  border-bottom: 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--color-primary-dark);
  color: #fff;
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
  font-weight: 850;
  line-height: 1.15;
  letter-spacing: 0;
  text-align: left;
}

.technical-drawing-image {
  padding: clamp(1rem, 3vw, 1.8rem);
  border: 1px solid var(--color-line);
  border-bottom: 0;
  background: var(--color-surface);
}

.technical-drawing-image img {
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fff;
}

.technical-drawings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-inline: 1px solid var(--color-line);
  background: #fff;
}

.drawing-view {
  position: relative;
  min-height: 360px;
  color: #202826;
  font-size: 0.78rem;
}

.tank-side {
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 52px;
  height: 250px;
  border: 3px solid #8e9692;
  background: #dedede;
}

.tank-chimney {
  position: absolute;
  left: 18%;
  top: 10px;
  width: 110px;
  height: 60px;
  border: 3px solid #8e9692;
  background: #d8d8d8;
}

.tank-chimney::before {
  content: "";
  position: absolute;
  left: -6px;
  right: -6px;
  top: -10px;
  height: 8px;
  border: 2px solid #8e9692;
  background: #cfcfcf;
}

.chimney-label {
  position: absolute;
  left: 20%;
  top: 24px;
  z-index: 1;
  width: 82px;
  font-size: 0.62rem;
  text-align: center;
}

.level-line {
  position: absolute;
  left: 12%;
  right: 12%;
  border-top: 3px solid #949b98;
}

.level-top {
  bottom: 216px;
}

.level-middle {
  bottom: 126px;
}

.slope-note {
  position: absolute;
  top: 92px;
  right: 14%;
  font-size: 0.68rem;
  text-align: center;
}

.top-tank {
  position: absolute;
  left: 12%;
  right: 18%;
  top: 62px;
  bottom: 60px;
  border: 12px double #9da5a2;
  background: #dedede;
}

.top-manhole {
  position: absolute;
  left: 38%;
  top: 116px;
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  border: 2px solid #59615e;
  border-radius: 50%;
  background: #d5d5d5;
  text-align: center;
  font-size: 0.68rem;
}

.flow {
  position: absolute;
  left: 40%;
  width: 160px;
  text-align: center;
  font-weight: 700;
}

.flow small {
  font-weight: 520;
}

.flow-in {
  top: 12px;
}

.flow-in::after,
.flow-out::before {
  content: "";
  display: block;
  width: 2px;
  height: 42px;
  margin: 4px auto 0;
  background: #59615e;
}

.flow-out {
  bottom: 18px;
}

.flow-out::before {
  margin: 0 auto 4px;
}

.dim-line {
  position: absolute;
  color: #38413e;
  font-size: 0.7rem;
}

.dim-line::before,
.dim-line::after {
  content: "";
  position: absolute;
  background: #59615e;
}

.dim-v2 {
  left: 2%;
  bottom: 52px;
  height: 250px;
  border-left: 2px solid #59615e;
  writing-mode: vertical-rl;
}

.dim-v1 {
  right: 2%;
  bottom: 52px;
  height: 250px;
  border-left: 2px solid #59615e;
  writing-mode: vertical-rl;
}

.dim-v2 b,
.dim-v1 b,
.dim-d1 b,
.dim-d2 b {
  position: relative;
  top: 45%;
}

.dim-s1,
.dim-s2 {
  left: 12%;
  right: 18%;
  height: 1px;
  border-top: 2px solid #59615e;
  text-align: center;
}

.dim-s1 {
  bottom: 38px;
}

.dim-s2 {
  bottom: 18px;
}

.dim-d1,
.dim-d2 {
  right: 8%;
  top: 62px;
  bottom: 60px;
  border-left: 2px solid #59615e;
  writing-mode: vertical-rl;
}

.dim-d2 {
  right: 4%;
}

.drawing-caption {
  margin: 0;
  padding: 1rem 1.1rem;
  border-inline: 1px solid var(--color-line);
  background: var(--color-surface-alt);
  color: var(--color-primary-dark);
  text-align: left;
  font-weight: 780;
}

.dimensions-table-wrap {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-color: var(--color-line);
  box-shadow: var(--shadow-tight);
}

.dimensions-table {
  min-width: 860px;
  font-size: 0.9rem;
}

.dimensions-table thead th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  text-align: center;
  vertical-align: middle;
  border-color: rgba(255, 255, 255, 0.18);
}

.dimensions-table tbody td {
  text-align: center;
  font-weight: 650;
}

.dimensions-table tbody tr:nth-child(even) {
  background: #f1f5f3;
}

.dimensions-table tbody tr:hover {
  background: #e7f0ec;
}

.dimensions-table tbody tr.is-current {
  background: #e4f0eb;
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.dimensions-table tbody tr.is-current td:first-child {
  color: var(--color-primary-dark);
  font-weight: 900;
}

.drawing-card {
  display: grid;
  gap: var(--space-5);
}

.schema {
  position: relative;
  height: 300px;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(#eef3f0 1px, transparent 1px),
    linear-gradient(90deg, #eef3f0 1px, transparent 1px),
    #fbfcfb;
  background-size: 28px 28px;
}

.schema-body {
  position: absolute;
  left: 16%;
  right: 19%;
  bottom: 68px;
  height: 132px;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f9fbfa, #dfece7);
}

.schema-neck {
  position: absolute;
  left: 45%;
  bottom: 198px;
  width: 66px;
  height: 54px;
  border: 3px solid var(--color-primary);
  border-bottom: 0;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.schema-line {
  position: absolute;
  display: block;
}

.schema-line-width {
  left: 16%;
  right: 19%;
  bottom: 36px;
  border-top: 2px solid var(--color-cta);
}

.schema-line-width::before,
.schema-line-width::after,
.schema-line-height::before,
.schema-line-height::after,
.schema-line-neck::before,
.schema-line-neck::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: var(--color-cta);
}

.schema-line-width::before {
  left: 0;
  top: -6px;
  border-left: 2px solid var(--color-cta);
  border-bottom: 2px solid var(--color-cta);
  transform: rotate(45deg);
}

.schema-line-width::after {
  right: 0;
  top: -6px;
  border-right: 2px solid var(--color-cta);
  border-top: 2px solid var(--color-cta);
  transform: rotate(45deg);
}

.schema-line-height {
  right: 10%;
  bottom: 68px;
  height: 132px;
  border-left: 2px solid var(--color-cta);
}

.schema-line-height::before,
.schema-line-height::after {
  left: -6px;
}

.schema-line-height::before {
  top: 0;
  border-left: 2px solid var(--color-cta);
  border-top: 2px solid var(--color-cta);
  transform: rotate(45deg);
}

.schema-line-height::after {
  bottom: 0;
  border-right: 2px solid var(--color-cta);
  border-bottom: 2px solid var(--color-cta);
  transform: rotate(45deg);
}

.schema-line-neck {
  left: 45%;
  bottom: 262px;
  width: 66px;
  border-top: 2px solid var(--color-cta);
}

.schema-line-neck::before {
  left: 0;
  top: -6px;
  border-left: 2px solid var(--color-cta);
  border-bottom: 2px solid var(--color-cta);
  transform: rotate(45deg);
}

.schema-line-neck::after {
  right: 0;
  top: -6px;
  border-right: 2px solid var(--color-cta);
  border-top: 2px solid var(--color-cta);
  transform: rotate(45deg);
}

.schema-width,
.schema-height,
.schema-neck-label {
  position: absolute;
  color: var(--color-cta-dark);
  font-size: 0.86rem;
  font-weight: 820;
}

.schema-width {
  left: 47%;
  bottom: 12px;
}

.schema-height {
  right: 4%;
  bottom: 118px;
  writing-mode: vertical-rl;
}

.schema-neck-label {
  left: 52%;
  bottom: 267px;
}

.drawing-table {
  min-width: 0;
  font-size: 0.92rem;
}

.drawing-table th,
.drawing-table td {
  padding: 0.75rem;
}

.drawing-table td:first-child,
.drawing-table th:first-child {
  width: 86px;
  color: var(--color-primary);
  font-weight: 840;
}

.text-column {
  max-width: 800px;
}

.cards,
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.cards article,
.steps article {
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.cards p,
.steps p,
.dimension-panel p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.steps span {
  display: inline-block;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-weight: 850;
}

.delivery {
  background: var(--color-primary-dark);
  color: #fff;
}

.delivery .section-kicker,
.delivery p {
  color: rgba(255, 255, 255, 0.75);
}

.delivery-inner {
  align-items: center;
}

.delivery-inner .button {
  justify-self: end;
}

.accordion {
  display: grid;
  gap: var(--space-3);
}

.accordion-item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.accordion-item button {
  width: 100%;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 1.1rem;
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font-weight: 760;
  text-align: left;
}

.accordion-item button span:last-child {
  width: 16px;
  height: 16px;
  position: relative;
  flex: 0 0 16px;
}

.accordion-item button span:last-child::before,
.accordion-item button span:last-child::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
}

.accordion-item button span:last-child::before {
  top: 7px;
  width: 16px;
  height: 2px;
}

.accordion-item button span:last-child::after {
  left: 7px;
  width: 2px;
  height: 16px;
}

.accordion-item button[aria-expanded="true"] span:last-child::after {
  display: none;
}

.accordion-panel {
  padding: 0 1.1rem 1rem;
  color: var(--color-muted);
}

.contact-card {
  display: grid;
  gap: 0.35rem;
  margin-top: var(--space-5);
  padding: var(--space-5);
}

.inquiry-form {
  display: grid;
  gap: var(--space-4);
  padding: clamp(1.2rem, 3vw, 2rem);
}

.checkbox {
  display: flex !important;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.65rem !important;
  font-weight: 560 !important;
}

.checkbox input {
  width: 18px;
  min-height: 18px;
  margin-top: 0.18rem;
}

.honeypot {
  position: absolute;
  left: -100vw;
  opacity: 0;
  pointer-events: none;
}

.form-message {
  margin: 0;
  font-weight: 680;
}

.form-message.is-success {
  color: var(--color-primary);
}

.form-message.is-error {
  color: #a23b24;
}

.modal-open {
  overflow: hidden;
}

.success-modal[hidden] {
  display: none;
}

.success-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: var(--space-5);
}

.success-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 24, 21, 0.5);
}

.success-modal-card {
  position: relative;
  z-index: 1;
  width: min(460px, 100%);
  padding: clamp(1.5rem, 4vw, 2rem);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.success-modal-card h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.65rem, 4vw, 2.1rem);
}

.success-modal-card p {
  color: var(--color-muted);
}

.success-modal-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.success-modal-close::before,
.success-modal-close::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  top: 19px;
  height: 2px;
  background: var(--color-text);
}

.success-modal-close::before {
  transform: rotate(45deg);
}

.success-modal-close::after {
  transform: rotate(-45deg);
}

.success-icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: var(--space-4);
  border-radius: 50%;
  background: var(--color-primary);
}

.success-icon::before {
  content: "";
  width: 20px;
  height: 11px;
  border-left: 3px solid #fff;
  border-bottom: 3px solid #fff;
  transform: rotate(-45deg) translate(1px, -2px);
}

.site-footer {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-muted);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr auto;
  gap: var(--space-5);
  align-items: start;
}

.footer-layout div,
.footer-layout nav {
  display: grid;
  gap: 0.35rem;
}

.footer-layout strong {
  color: var(--color-text);
}

@media (max-width: 1020px) {
  .header-inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav,
  .header-contact {
    display: none;
  }

  .site-nav.is-open,
  .header-contact.is-open {
    display: grid;
    grid-column: 1 / -1;
    justify-content: stretch;
    gap: var(--space-3);
    padding-bottom: var(--space-4);
  }

  .site-nav.is-open a,
  .header-contact.is-open a:not(.button) {
    padding: 0.4rem 0;
  }

  .hero-layout,
  .specs-layout,
  .delivery-inner,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .delivery-inner .button {
    justify-self: start;
  }

  .trust-grid,
  .cards,
  .steps,
  .technical-drawings {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-layout {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 24px, 1160px);
  }

  .header-inner {
    min-height: 64px;
  }

  .hero {
    padding-top: var(--space-5);
  }

  .product-summary,
  .product-gallery {
    border-radius: var(--radius-md);
  }

  .gallery-stage {
    min-height: 260px;
  }

  .gallery-stage img {
    height: 280px;
  }

  .gallery-arrow {
    width: 38px;
    height: 38px;
  }

  .thumb {
    height: 76px;
  }

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

  .property-grid,
  .configurator,
  .trust-grid,
  .cards,
  .steps,
  .technical-drawings,
  .footer-layout {
    grid-template-columns: 1fr;
  }

  .technical-drawings {
    padding: 1rem;
  }

  .drawing-view {
    min-height: 310px;
    font-size: 0.7rem;
  }

  .flow {
    left: 34%;
    width: 140px;
  }

  .top-manhole {
    left: 34%;
  }

  .quantity {
    align-items: start;
    flex-direction: column;
  }

  .cta-row .button {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.1rem, 13vw, 3rem);
  }

  .product-summary h1 {
    max-width: 13ch;
    font-size: clamp(1.9rem, 9vw, 2.45rem);
  }

  h2 {
    font-size: 2rem;
  }

  .section {
    padding: 3.25rem 0;
  }

  table {
    min-width: 480px;
  }
}