:root {
  --ink: #17212b;
  --muted: #5d6975;
  --line: #dfe6ee;
  --paper: #ffffff;
  --soft: #f3f7fb;
  --brand: #0f6b8f;
  --brand-dark: #0b435c;
  --accent: #e9a126;
  --shadow: 0 22px 60px rgba(18, 32, 47, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(223, 230, 238, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 174px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: #ffffff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand-dark), var(--accent));
  border-radius: 8px;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 26px;
  color: #283644;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--brand);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  font-weight: 800;
  border: 1px solid transparent;
  border-radius: 6px;
}

.header-cta,
.btn.primary {
  color: #ffffff;
  background: var(--brand);
}

.btn.secondary {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.44);
}

.btn:hover,
.header-cta:hover {
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

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

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background: linear-gradient(90deg, rgba(11, 27, 40, 0.88), rgba(11, 27, 40, 0.6) 47%, rgba(11, 27, 40, 0.12));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 96px);
  padding: 90px 0;
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 70px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 0;
}

.hero-stats div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.hero-stats dt {
  font-size: 24px;
  font-weight: 900;
}

.hero-stats dd {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip div {
  padding: 26px clamp(20px, 4vw, 58px);
  background: #ffffff;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 6px;
}

.trust-strip span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 92px clamp(20px, 7vw, 96px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: clamp(38px, 6vw, 80px);
  align-items: center;
}

.section-text p,
.section-heading p,
.contact-copy p {
  color: var(--muted);
}

.checks {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.checks span {
  position: relative;
  padding-left: 28px;
  font-weight: 700;
}

.checks span::before {
  position: absolute;
  left: 0;
  top: 2px;
  content: "";
  width: 17px;
  height: 17px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: inset 0 0 0 5px #ffffff;
  outline: 1px solid var(--brand);
}

.image-panel img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.product-section {
  background: var(--soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

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

.product-card div {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.product-card p,
.product-card li {
  color: var(--muted);
  font-size: 14px;
}

.product-card ul {
  padding-left: 18px;
  margin: auto 0 0;
}

.split-band {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 80px);
  color: #ffffff;
  background: var(--brand-dark);
}

.split-band p {
  color: rgba(255, 255, 255, 0.76);
}

.feature-list {
  display: grid;
  gap: 16px;
}

.feature-list article {
  padding: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.feature-list span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-weight: 900;
}

.quality {
  background: #ffffff;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.spec-grid div {
  min-height: 132px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.spec-grid div:nth-child(3n) {
  border-right: 0;
}

.spec-grid div:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.spec-grid strong,
.spec-grid span {
  display: block;
}

.spec-grid strong {
  margin-bottom: 8px;
}

.spec-grid span {
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1fr);
  gap: clamp(38px, 7vw, 90px);
  align-items: start;
  background: #eef6fb;
}

.contact-cards {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-cards a {
  padding: 18px;
  font-weight: 800;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 28px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.quote-form label {
  display: grid;
  gap: 8px;
  color: #2d3a45;
  font-size: 13px;
  font-weight: 800;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  border: 1px solid #cbd6df;
  border-radius: 6px;
  background: #ffffff;
}

.quote-form textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.7fr;
  gap: 26px;
  padding: 44px clamp(20px, 7vw, 96px);
  color: rgba(255, 255, 255, 0.82);
  background: #101d28;
}

.site-footer strong {
  display: block;
  color: #ffffff;
  margin-bottom: 8px;
}

.site-footer span {
  display: block;
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.site-footer a:hover {
  color: #ffffff;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 25;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  color: #ffffff;
  font-weight: 900;
  background: #22a95a;
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(16, 29, 40, 0.24);
}

@media (max-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .brand {
    min-width: 0;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .site-header.nav-open .main-nav {
    grid-column: 1 / -1;
    display: grid;
    justify-self: stretch;
    gap: 0;
    padding-top: 10px;
    border-top: 1px solid var(--line);
  }

  .site-header.nav-open .main-nav a {
    padding: 13px 0;
  }

  .hero {
    min-height: 680px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-stats,
  .trust-strip,
  .intro,
  .split-band,
  .contact-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .intro,
  .contact-section {
    gap: 32px;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .spec-grid div,
  .spec-grid div:nth-child(3n),
  .spec-grid div:nth-last-child(-n + 3) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .spec-grid div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 66px 18px;
  }

  .site-header {
    padding: 12px 18px;
  }

  .hero-content {
    width: calc(100% - 36px);
    margin-left: 18px;
  }

  .hero-actions {
    display: grid;
  }

  .product-grid,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .quote-form {
    padding: 20px;
  }
}