:root {
  --ink: #09292d;
  --deep: #06343b;
  --teal: #008d9b;
  --cyan: #29d5f2;
  --azure: #0e9cf3;
  --azure-strong: #0678cc;
  --mint: #62d27e;
  --cream: #f7fbfa;
  --white: #ffffff;
  --muted: #5f7578;
  --line: rgba(9, 41, 45, 0.14);
  --shadow: 0 20px 60px rgba(9, 41, 45, 0.16);
  --radius: 8px;
  --header-height: 74px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.modal-open {
  overflow: hidden;
}

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

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

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

button {
  cursor: pointer;
}

address {
  font-style: normal;
}

svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.whatsapp-icon {
  fill: currentColor;
  stroke: none;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--white);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 251, 250, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav-shell {
  height: var(--header-height);
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 850;
  color: var(--deep);
  min-width: 0;
}

.brand img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.brand span {
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  color: var(--deep);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.site-nav > a,
.nav-trigger,
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.65rem 0.85rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
}

.site-nav > a:hover,
.nav-trigger:hover,
.site-nav [aria-current="page"],
.nav-cta:hover {
  background: rgba(0, 141, 155, 0.09);
  color: var(--teal);
}

.nav-group {
  position: relative;
}

.chevron {
  width: 0.48rem;
  height: 0.48rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}

.nav-submenu {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 0;
  min-width: 230px;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: 180ms ease;
}

.nav-group:hover .nav-submenu,
.nav-group:focus-within .nav-submenu,
.nav-group.is-open .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-submenu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius);
  font-weight: 750;
}

.nav-submenu a:hover,
.nav-submenu a[aria-current="page"] {
  background: rgba(41, 213, 242, 0.13);
  color: var(--teal);
}

.nav-submenu small {
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 850;
  white-space: nowrap;
}

.nav-cta {
  margin-left: 0.3rem;
  color: var(--white);
  background: var(--deep);
}

.nav-cta:hover {
  background: var(--teal);
  color: var(--white);
}

.hero {
  position: relative;
  min-height: 86svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--deep);
  color: var(--white);
}

.home-hero {
  min-height: calc(100svh - var(--header-height) - 38px);
}

.hero-video,
.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 29, 32, 0.84), rgba(4, 29, 32, 0.52), rgba(4, 29, 32, 0.12)),
    linear-gradient(0deg, rgba(4, 29, 32, 0.45), rgba(4, 29, 32, 0.08));
}

.water-scene {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.water-scene canvas {
  width: 100%;
  height: 100%;
}

.hero-water {
  opacity: 0.78;
  mix-blend-mode: screen;
}

.side-water {
  inset: 0 0 0 auto;
  width: 48%;
  opacity: 0.42;
}

.water-scene.small {
  opacity: 0.52;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 5rem 0;
}

.product-hero-content {
  max-width: 760px;
}

.kicker,
.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--mint);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.78rem;
}

.eyebrow {
  color: var(--teal);
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.05;
}

h1 {
  max-width: 920px;
  margin: 0;
  font-size: 5rem;
  font-weight: 930;
}

.subtitle {
  margin: 1rem 0 0;
  max-width: 740px;
  font-size: 1.55rem;
  font-weight: 760;
}

.hero-content > p:not(.kicker):not(.subtitle) {
  max-width: 700px;
  margin: 1rem 0 0;
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.84rem 1.08rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 850;
  line-height: 1.1;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--azure), #19b7ff);
  color: var(--white);
  box-shadow: 0 14px 30px rgba(14, 156, 243, 0.28);
}

.button-primary:hover {
  background: linear-gradient(135deg, var(--azure-strong), var(--azure));
}

.button-ghost {
  border-color: var(--line);
  background: var(--white);
  color: var(--deep);
}

.button-ghost:hover {
  border-color: rgba(0, 141, 155, 0.35);
  color: var(--teal);
}

.button-glass {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  backdrop-filter: blur(12px);
}

.proof-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  max-width: 850px;
  margin-top: 2rem;
}

.proof-row span {
  min-height: 82px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.proof-row strong {
  display: block;
  font-size: 1.45rem;
  color: var(--mint);
}

.section {
  position: relative;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 5.6rem 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.65fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.2rem;
}

.section-heading h2 {
  margin: 0;
  font-size: 3rem;
  color: var(--deep);
}

.section-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.image-triptych {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.image-triptych figure,
.info-card,
.benefit-card,
.product-card,
.compare-grid article,
.values-grid article,
.process-grid article,
.specs-grid article,
.faq-list details,
.applications-list article,
.advantages-list article,
.side-conversion {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 34px rgba(9, 41, 45, 0.08);
}

.side-conversion {
  position: relative;
  display: grid;
  gap: 0.9rem;
  align-content: start;
  padding: 1.35rem;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 249, 247, 0.98)),
    var(--white);
}

.side-conversion::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
}

.side-conversion-kicker {
  display: inline-flex;
  width: fit-content;
  min-height: 28px;
  align-items: center;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: rgba(0, 141, 155, 0.1);
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.side-conversion h3 {
  margin: 0;
  font-size: 1.48rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.side-conversion > p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  max-width: 38ch;
}

.side-conversion-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-conversion-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.8rem 0.85rem;
  border: 1px solid rgba(9, 41, 45, 0.08);
  border-radius: calc(var(--radius) - 2px);
  background: rgba(255, 255, 255, 0.82);
}

.side-conversion-list svg {
  flex: 0 0 auto;
  margin-top: 0.15rem;
  color: var(--mint);
}

.side-conversion-list span {
  color: var(--muted);
  line-height: 1.5;
}

.side-conversion .button {
  width: 100%;
  justify-content: center;
  min-height: 52px;
}

.image-triptych figure {
  margin: 0;
  overflow: hidden;
}

.image-triptych img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.image-triptych figcaption {
  padding: 0.9rem;
  font-weight: 800;
}

.callout {
  margin: 1.2rem 0;
  padding: 1.2rem;
  border-left: 4px solid var(--azure);
  background: #f1f9ff;
  border-radius: var(--radius);
  font-weight: 760;
}

.contaminant-grid,
.benefit-grid,
.values-grid,
.compare-grid,
.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.info-card {
  overflow: hidden;
}

.info-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.info-card h3,
.info-card p,
.info-card ul {
  margin-left: 1rem;
  margin-right: 1rem;
}

.info-card h3 {
  margin-top: 1rem;
}

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

.info-card ul,
.mini-list,
.specs-grid ul {
  list-style: none;
  padding: 0;
}

.info-card li,
.mini-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0.55rem 0;
  color: var(--ink);
}

.info-card li svg,
.mini-list li svg {
  flex: 0 0 auto;
  color: var(--mint);
  margin-top: 0.15rem;
}

.split-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  margin-top: 2rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
}

.split-panel.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
}

.split-panel.reverse img {
  order: 2;
}

.split-panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
}

.split-panel h2,
.split-panel h3 {
  margin: 0 0 1rem;
  font-size: 2.4rem;
}

.split-panel p:not(.kicker) {
  color: var(--muted);
}

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

.benefit-card {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  overflow: hidden;
}

.benefit-card img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
}

.benefit-card div {
  padding: 1.25rem;
}

.benefit-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.45rem;
}

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

.benefit-card strong {
  color: var(--teal);
}

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

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-style: preserve-3d;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.product-card:hover {
  box-shadow: var(--shadow);
}

.product-media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  padding: 0.85rem;
  background: linear-gradient(135deg, rgba(41, 213, 242, 0.16), rgba(98, 210, 126, 0.18));
}

.product-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center center;
  border-radius: calc(var(--radius) - 4px);
  background: #ffffff;
}

.product-media span {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  padding: 0.42rem 0.65rem;
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius);
  color: var(--deep);
  font-size: 0.78rem;
  font-weight: 900;
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1rem;
}

.product-card h3 {
  margin: 0;
  font-size: 1.65rem;
}

.product-card p:not(.eyebrow) {
  color: var(--muted);
}

.mini-list {
  margin: auto 0 1rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--teal);
  font-weight: 900;
}

.compare-grid article,
.values-grid article,
.specs-grid article {
  padding: 1.25rem;
}

.compare-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compare-grid h3,
.values-grid h3 {
  margin: 0 0 0.75rem;
  font-size: 1.28rem;
}

.compare-grid p,
.values-grid p {
  color: var(--muted);
}

.values-grid.long {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.values-grid article > svg {
  width: 2rem;
  height: 2rem;
  color: var(--teal);
  margin-bottom: 0.85rem;
}

.product-layout,
.two-columns {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: start;
}

.product-visual {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  display: grid;
  place-items: center;
  min-height: 560px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 30% 20%, rgba(41, 213, 242, 0.25), transparent 32%),
    radial-gradient(circle at 70% 70%, rgba(98, 210, 126, 0.18), transparent 36%),
    var(--white);
  box-shadow: var(--shadow);
}

.product-visual > img,
.product-image-stack img {
  max-height: 520px;
  width: 100%;
  object-fit: contain;
}

.product-image-stack {
  display: grid;
  width: 100%;
}

.product-image-stack img {
  grid-area: 1 / 1;
  opacity: 0;
  transform: scale(0.98);
  transition: 180ms ease;
}

.product-image-stack img.active {
  opacity: 1;
  transform: scale(1);
}

.swatches {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.swatch {
  min-width: 86px;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font-weight: 800;
}

.swatch.active {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 141, 155, 0.14);
}

.product-summary h2 {
  margin: 0;
  font-size: 3rem;
}

.product-summary > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.4rem 0;
}

.highlight-grid div {
  min-height: 96px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.highlight-grid strong {
  display: block;
  color: var(--teal);
  font-size: 1.5rem;
  line-height: 1;
}

.highlight-grid span {
  display: block;
  margin-top: 0.45rem;
  color: var(--muted);
  font-weight: 750;
}

.feature-list {
  display: grid;
  gap: 0.7rem;
}

.feature-list article,
.advantages-list article,
.applications-list article {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.feature-list svg,
.advantages-list svg,
.applications-list svg {
  flex: 0 0 auto;
  color: var(--mint);
  margin-top: 0.2rem;
}

.feature-list h3 {
  margin: 0 0 0.3rem;
}

.feature-list p,
.advantages-list p,
.applications-list p {
  margin: 0;
  color: var(--muted);
}

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

.specs-grid li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.advantages-list,
.applications-list {
  display: grid;
  gap: 0.75rem;
}

.purification-section {
  overflow: hidden;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  position: relative;
}

.process-grid article {
  padding: 1.2rem;
}

.process-grid span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--deep);
  color: var(--white);
  font-weight: 900;
}

.process-grid h3 {
  margin: 0 0 0.75rem;
}

.process-grid p {
  margin: 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 900px;
}

.faq-list details {
  padding: 1rem 1.15rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 900;
  color: var(--deep);
}

.faq-list p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.product-final-cta,
.contact-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(6, 52, 59, 0.98), rgba(0, 141, 155, 0.9)),
    var(--deep);
  color: var(--white);
}

.product-final-cta {
  padding: 3rem;
}

.product-final-cta h2,
.contact-band h2 {
  margin: 0;
  font-size: 2.8rem;
}

.product-final-cta p:not(.kicker),
.contact-band p:not(.kicker) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.86);
}

.related-section .product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-band {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto 5rem;
  padding: 3rem;
}

.contact-band-content {
  position: relative;
  z-index: 2;
}

.quick-form,
.lead-form {
  display: grid;
  gap: 0.85rem;
}

.quick-form {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: end;
  margin-top: 1.4rem;
}

.lead-form {
  margin-top: 1rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.8rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
}

textarea {
  min-height: 104px;
  resize: vertical;
}

.form-status {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 800;
}

.prose-section {
  max-width: 920px;
}

.prose {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 2rem;
}

.prose h2 {
  margin-top: 2rem;
  color: var(--deep);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: var(--muted);
}

.legal-hero {
  padding-bottom: 2rem;
}

.legal-hero h1 {
  color: var(--deep);
  font-size: 3.4rem;
}

.site-footer {
  position: relative;
  overflow: hidden;
  background: #062d33;
  color: var(--white);
  padding-top: 4rem;
}

.footer-wave {
  position: absolute;
  inset: 0 0 auto;
  height: 110px;
  background:
    radial-gradient(90px 45px at 10% 0%, rgba(41, 213, 242, 0.25), transparent 72%),
    radial-gradient(120px 50px at 45% 0%, rgba(98, 210, 126, 0.18), transparent 74%),
    radial-gradient(110px 48px at 80% 0%, rgba(255, 121, 95, 0.16), transparent 72%);
}

.footer-grid,
.footer-bottom {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 0.8fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

.footer-brand img {
  margin-bottom: 0.7rem;
}

.footer-brand h2,
.site-footer h3 {
  margin: 0 0 0.8rem;
}

.footer-brand p,
.site-footer address,
.footer-bottom {
  color: rgba(255, 255, 255, 0.78);
}

.footer-actions,
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
}

.footer-links li {
  break-inside: avoid;
  margin: 0.45rem 0;
}

.footer-links a:hover,
.site-footer address a:hover,
.footer-bottom a:hover {
  color: var(--mint);
}

.social-links a {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.floating-actions {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 95;
  display: grid;
  gap: 0.65rem;
}

.float-btn {
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  box-shadow: var(--shadow);
}

.float-btn.whatsapp {
  background: #17a866;
}

.float-btn.call {
  background: linear-gradient(135deg, var(--azure), #19b7ff);
}

.float-btn svg {
  width: 1.65rem;
  height: 1.65rem;
}

.modal,
.cookie-panel {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal[aria-hidden="true"],
.cookie-panel[hidden],
.cookie-banner[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 22, 24, 0.64);
  backdrop-filter: blur(8px);
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(540px, 100%);
  max-height: calc(100svh - 2rem);
  overflow: auto;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.modal-panel h2 {
  margin: 0;
  font-size: 2rem;
}

.modal-panel > p {
  color: var(--muted);
}

.modal-close {
  position: absolute;
  right: 0.9rem;
  top: 0.9rem;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.cookie-banner {
  position: fixed;
  z-index: 180;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  width: min(760px, calc(100% - 2rem));
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.cookie-banner p {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.cookie-option {
  display: flex;
  grid-template-columns: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.cookie-option small {
  display: block;
  color: var(--muted);
}

.cookie-option input {
  width: 22px;
  height: 22px;
  min-height: auto;
}

@media (max-width: 1080px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    max-height: calc(100svh - var(--header-height));
    overflow: auto;
    padding: 1rem;
    background: rgba(247, 251, 250, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav > a,
  .nav-trigger,
  .nav-cta {
    justify-content: space-between;
    width: 100%;
  }

  .nav-submenu {
    position: static;
    display: none;
    min-width: 0;
    margin: 0.2rem 0 0.6rem;
    box-shadow: none;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav-group.is-open .nav-submenu {
    display: block;
  }

  h1 {
    font-size: 4rem;
  }

  .section-heading,
  .product-layout,
  .two-columns,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .product-visual {
    position: relative;
    top: 0;
  }

  .contaminant-grid,
  .compare-grid,
  .values-grid,
  .values-grid.long,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 760px) {
  :root {
    --header-height: 68px;
  }

  .nav-shell,
  .hero-content,
  .section,
  .footer-grid,
  .footer-bottom,
  .contact-band {
    width: min(100% - 1rem, 1180px);
  }

  .brand span {
    font-size: 0.92rem;
  }

  .brand img {
    width: 46px;
    height: 46px;
  }

  .hero {
    min-height: 82svh;
  }

  .hero-content {
    padding: 4rem 0;
  }

  h1 {
    font-size: 3rem;
  }

  .subtitle {
    font-size: 1.22rem;
  }

  .hero-actions,
  .footer-bottom,
  .cookie-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .proof-row,
  .image-triptych,
  .contaminant-grid,
  .benefit-grid,
  .product-grid,
  .compare-grid,
  .values-grid,
  .values-grid.long,
  .process-grid,
  .specs-grid,
  .highlight-grid,
  .quick-form,
  .related-section .product-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }

  .section-heading h2,
  .product-summary h2,
  .product-final-cta h2,
  .contact-band h2 {
    font-size: 2.25rem;
  }

  .split-panel,
  .split-panel.reverse {
    grid-template-columns: 1fr;
  }

  .split-panel.reverse img {
    order: 0;
  }

  .benefit-card {
    display: flex;
    flex-direction: column;
  }

  .benefit-card img {
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .benefit-card div {
    padding: 1rem 1.1rem 1.2rem;
  }

  .product-media {
    aspect-ratio: 1 / 1;
    min-height: 260px;
    padding: 1rem;
  }

  .product-visual {
    min-height: 420px;
  }

  .product-final-cta,
  .contact-band,
  .prose {
    padding: 1.25rem;
  }

  .footer-links {
    columns: 1;
  }

  .site-footer,
  .footer-brand,
  .footer-grid > div,
  .footer-bottom,
  .site-footer address,
  .footer-links {
    text-align: center;
  }

  .footer-brand img {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-actions,
  .social-links {
    justify-content: center;
  }

  .cookie-banner {
    right: 0.5rem;
    bottom: 0.5rem;
    grid-template-columns: 1fr;
    width: calc(100% - 1rem);
  }

  .floating-actions {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}

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