:root {
  --blue: #0084D1;
  --blue-deep: #0063A3;
  --blue-soft: #7ec8f0;
  --navy: #071422;
  --navy-2: #0c1d2f;
  --ink: #121417;
  --muted: #5C6770;
  --line: #D5DCE3;
  --paper: #FFFFFF;
  --mist: #F3F7FB;
  --soft: #E8F4FC;
  --header-h: 78px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 90% -10%, rgba(0, 132, 209, 0.12), transparent 55%),
    linear-gradient(180deg, #eef4f9 0%, #f7fafc 40%, #ffffff 100%);
  font-family: Outfit, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3, .display {
  font-family: "Barlow Condensed", Outfit, sans-serif;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 0.98;
}

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--blue);
  color: #fff;
  padding: 10px 14px;
  z-index: 100;
}
.skip-link:focus {
  top: 12px;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.site-header.is-scrolled,
.site-header.is-solid {
  background: rgba(7, 20, 34, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(7, 20, 34, 0.18);
}
.header-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  min-width: 0;
}
.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  padding: 4px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.brand-text strong {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.55rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}
.brand-text em {
  font-style: normal;
  color: var(--blue-soft);
}
.brand-text small {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.72;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-nav a {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 10px 12px;
  transition: color 0.2s ease;
}
.site-nav a:hover,
.site-nav a.is-active {
  color: #fff;
}
.nav-cta {
  margin-left: 8px;
  background: var(--blue);
  color: #fff !important;
  padding: 11px 16px !important;
  border-radius: 4px;
  font-weight: 600 !important;
}
.nav-cta:hover {
  background: var(--blue-deep);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  position: relative;
  cursor: pointer;
}
.nav-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: #fff;
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}
.nav-toggle span:nth-child(2) { top: 15px; }
.nav-toggle span:nth-child(3) { top: 21px; }
.nav-toggle span:nth-child(4) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(4) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
  background: var(--navy);
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  transform: scale(1.06);
  animation: heroZoom 18s var(--ease) forwards;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 20, 34, 0.88) 0%, rgba(7, 20, 34, 0.55) 48%, rgba(7, 20, 34, 0.35) 100%),
    linear-gradient(180deg, rgba(7, 20, 34, 0.35) 0%, rgba(7, 20, 34, 0.2) 40%, rgba(7, 20, 34, 0.92) 100%);
}
.hero-copy {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: calc(var(--header-h) + 48px) 0 72px;
}
.hero-brand {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.15s forwards;
}
.hero-brand em {
  font-style: normal;
  color: var(--blue-soft);
}
.hero-copy h1 {
  max-width: 14ch;
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  margin-bottom: 16px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.28s forwards;
}
.hero-copy p {
  max-width: 42ch;
  font-size: 1.08rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 28px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.4s forwards;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.52s forwards;
}
.hero-accent {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), #39a7e8, var(--blue-deep));
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes heroZoom {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 4px;
  font: 600 0.95rem Outfit, sans-serif;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--blue-deep);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover {
  border-color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue-deep);
}

/* Sections */
.section {
  padding: 88px 0;
}
.section-narrow {
  padding: 64px 0;
}
.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}
.kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
}

.lead-strip {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.lead-strip p {
  color: #334049;
  font-size: 1.05rem;
}
.lead-strip .lead {
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 16px;
}
.visual-panel {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background: var(--navy);
}
.visual-panel img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}
.visual-panel figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 20px 16px;
  background: linear-gradient(transparent, rgba(7, 20, 34, 0.82));
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 36px;
}
.pillar {
  background: rgba(255, 255, 255, 0.72);
  border-left: 3px solid var(--blue);
  padding: 18px 16px;
}
.pillar b {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}
.pillar p {
  color: var(--muted);
  font-size: 0.92rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.step {
  background: var(--navy);
  color: #fff;
  padding: 24px 20px;
  min-height: 190px;
  transform: translateY(18px);
  opacity: 0;
  transition: transform 0.7s var(--ease), opacity 0.7s var(--ease);
}
.step.is-in {
  transform: translateY(0);
  opacity: 1;
}
.step i {
  display: block;
  font-style: normal;
  font-family: "Barlow Condensed", sans-serif;
  color: var(--blue-soft);
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.step b {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.step p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
}

/* Product grid — cards only for interactive product selection */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s var(--ease);
}
.product-card:hover {
  border-color: #9eb8cc;
  transform: translateY(-3px);
}
.product-card .media {
  height: 210px;
  background: var(--mist);
  display: grid;
  place-items: center;
  padding: 16px;
}
.product-card .media img {
  max-height: 178px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}
.product-card .body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-card .tag {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 700;
}
.product-card h3 {
  font-size: 1.7rem;
  margin: 8px 0 10px;
}
.product-card .summary {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
  flex: 1;
}
.product-card .price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: auto;
}
.product-card .price-row em {
  font-style: normal;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.product-card .price-row strong {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.55rem;
  color: var(--blue-deep);
}

.section-cta-row {
  margin-top: 28px;
  display: flex;
  justify-content: flex-end;
}

/* Applications */
.apps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.app {
  background: rgba(255, 255, 255, 0.75);
  padding: 22px 18px;
  border-top: 3px solid var(--blue);
}
.app b {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.app p {
  color: var(--muted);
  font-size: 0.94rem;
}

/* CTA band */
.cta-band {
  background:
    linear-gradient(120deg, rgba(7, 20, 34, 0.92), rgba(0, 99, 163, 0.78)),
    url("/products/8000-lph-ro-system-angle-view.jpg") center / cover no-repeat;
  color: #fff;
  padding: 72px 0;
}
.cta-band-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 32px;
  align-items: center;
}
.cta-band h2 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin: 10px 0 14px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 48ch;
}
.cta-panel {
  background: var(--blue);
  padding: 28px 24px;
}
.cta-panel b {
  display: block;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 12px;
}
.cta-panel a,
.cta-panel span {
  display: block;
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.55;
}

/* Page hero (inner) */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 56px) 0 56px;
  color: #fff;
  background: var(--navy);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(7, 20, 34, 0.92) 20%, rgba(7, 20, 34, 0.55) 100%),
    url("/products/1000-LPH-Industrial-Reverse-Osmosis-System-With-Horizontal-Membranes.jpg") right center / cover no-repeat;
  opacity: 1;
}
.page-hero .wrap {
  position: relative;
  z-index: 1;
}
.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  max-width: 14ch;
  margin-bottom: 12px;
}
.page-hero p {
  max-width: 48ch;
  color: rgba(255, 255, 255, 0.84);
}

/* Specs / tables */
.note {
  background: var(--soft);
  padding: 16px 18px;
  color: #245;
  font-size: 0.92rem;
  margin-top: 24px;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin-top: 12px;
  overflow: hidden;
}
.spec-table th {
  background: var(--navy);
  color: #fff;
  text-align: left;
  padding: 12px 14px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.spec-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.spec-table tr:nth-child(even) td {
  background: var(--mist);
}
.spec-table td.num {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-deep);
}
.table-scroll {
  overflow-x: auto;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: start;
}
.product-detail-grid + .product-detail-grid {
  margin-top: 42px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}
.detail-media {
  background: var(--mist);
  min-height: 280px;
  display: grid;
  place-items: center;
  padding: 24px;
}
.detail-media img {
  max-height: 320px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}
.detail-copy .tag {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 700;
}
.detail-copy h2 {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  margin: 8px 0 12px;
}
.detail-copy > p {
  color: var(--muted);
  margin-bottom: 18px;
}
.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  margin-bottom: 18px;
}
.specs span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}
.specs b {
  color: var(--ink);
  font-size: 0.95rem;
}
.price-block {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-bottom: 18px;
}
.price-block em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.price-block strong {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 2rem;
  color: var(--blue-deep);
}

/* Process */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: start;
}
.diagram {
  background: #05080c;
  padding: 16px;
}
.diagram img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.kit-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 0.98rem;
}
.kit-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--blue);
  position: absolute;
  left: 0;
  top: 18px;
}
.sectors {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 28px;
}
.sector {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  padding: 18px 14px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
}
.sector span {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.7rem;
  color: var(--blue);
  margin-bottom: 6px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}
.need {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}
.need article {
  border-top: 3px solid var(--blue);
  padding-top: 12px;
}
.need h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}
.need p {
  color: var(--muted);
  font-size: 0.95rem;
}
.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  padding: 28px 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field {
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--mist);
  color: var(--ink);
  font: 500 0.98rem Outfit, sans-serif;
  padding: 12px 14px;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field textarea {
  min-height: 140px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  background: #fff;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
}
.form-note {
  color: var(--muted);
  font-size: 0.85rem;
}
.hp-field {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}
.alert {
  padding: 14px 16px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.alert-success {
  background: #e8f7ef;
  color: #145c36;
  border-left: 3px solid #1f9d57;
}
.alert-error {
  background: #fdeeee;
  color: #8a1f1f;
  border-left: 3px solid #d64545;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.82);
  padding: 56px 0 0;
}
.footer-grid {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 36px;
}
.footer-brand img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  padding: 6px;
  margin-bottom: 14px;
}
.footer-name {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.8rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}
.footer-name em {
  font-style: normal;
  color: var(--blue-soft);
}
.site-footer h2 {
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 14px;
}
.site-footer li + li {
  margin-top: 8px;
}
.site-footer a:hover {
  color: #fff;
}
.footer-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 28px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 18px 0 14px;
  border-radius: 999px;
  background: #25D366;
  color: #fff;
  font: 600 0.95rem Outfit, sans-serif;
  box-shadow: 0 12px 28px rgba(7, 20, 34, 0.28);
  transition: transform 0.25s var(--ease), box-shadow 0.25s ease, background 0.2s ease;
  animation: waIn 0.7s var(--ease) 0.8s both;
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.whatsapp-float:hover {
  transform: translateY(-3px);
  background: #1ebe57;
  box-shadow: 0 16px 32px rgba(7, 20, 34, 0.34);
}
.whatsapp-float:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}
@keyframes waIn {
  from { opacity: 0; transform: translateY(18px) scale(0.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Reveal utility */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .lead-strip,
  .product-grid,
  .apps,
  .cta-band-inner,
  .product-detail-grid,
  .split,
  .contact-grid,
  .footer-grid,
  .pillars,
  .steps,
  .sectors {
    grid-template-columns: 1fr 1fr;
  }
  .product-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-block;
  }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: rgba(7, 20, 34, 0.97);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    gap: 4px;
  }
  .site-nav.is-open {
    display: flex;
  }
  .nav-cta {
    margin-left: 0;
    text-align: center;
  }
  .brand-text small {
    display: none;
  }
  .hero-copy {
    padding-bottom: 56px;
  }
  .lead-strip,
  .product-grid,
  .apps,
  .cta-band-inner,
  .product-detail-grid,
  .split,
  .contact-grid,
  .footer-grid,
  .pillars,
  .steps,
  .sectors,
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-bar {
    flex-direction: column;
  }
  .section {
    padding: 64px 0;
  }
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    min-height: 52px;
    padding: 0 14px 0 12px;
  }
  .whatsapp-float span {
    display: none;
  }
  .whatsapp-float {
    width: 56px;
    height: 56px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
}