:root {
  --bg: #f5f7f6;
  --surface: #ffffff;
  --ink: #17202a;
  --muted: #536170;
  --line: #d9e0df;
  --brand: #16486b;
  --brand-dark: #0d2f46;
  --accent: #3b7564;
  --accent-dark: #285446;
  --warm: #c9973f;
  --soft: #e9f0ed;
  --shadow: 0 18px 42px rgba(23, 32, 42, 0.12);
  --radius: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px max(20px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: var(--brand);
  border-radius: var(--radius);
  font-weight: 800;
}

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

.brand small {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 10px 14px;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: #fff;
  background: var(--brand);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 48px;
  align-items: center;
  min-height: calc(92vh - 78px);
  padding: 68px max(20px, calc((100vw - var(--max)) / 2)) 76px;
  background:
    linear-gradient(90deg, rgba(245, 247, 246, 0.96) 0%, rgba(245, 247, 246, 0.88) 46%, rgba(245, 247, 246, 0.5) 100%),
    url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1600&q=80") center right / cover;
}

.hero-content {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.35rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.55rem);
}

h3 {
  font-size: 1.12rem;
}

.hero-copy,
.page-hero p,
.contact-aside p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions,
.cta-band {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--brand);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--brand-dark);
}

.button.ghost {
  color: var(--brand-dark);
  border-color: var(--brand);
  background: #fff;
}

.button.light {
  color: var(--brand-dark);
  background: #fff;
}

.button.whatsapp {
  color: #fff;
  background: var(--accent-dark);
}

.hero-panel {
  display: grid;
  gap: 16px;
}

.signal-card,
.feature,
.product-card,
.contact-form,
.contact-aside {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.signal-card {
  padding: 22px;
}

.service-item span {
  color: var(--brand);
  font-weight: 900;
}

.signal-card strong {
  display: block;
  font-size: 1.2rem;
}

.signal-card p,
.feature p,
.product-card p,
.service-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.section {
  padding: 72px max(20px, calc((100vw - var(--max)) / 2));
}

.section-heading {
  display: grid;
  gap: 10px;
  max-width: 740px;
  margin-bottom: 28px;
}

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

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

.feature,
.product-card {
  padding: 24px;
}

.product-card h2 {
  font-size: 1.45rem;
  line-height: 1.22;
  overflow-wrap: normal;
  word-break: normal;
}

.product-card p {
  font-size: 0.98rem;
}

.cta-band {
  justify-content: space-between;
  margin: 0 max(20px, calc((100vw - var(--max)) / 2)) 72px;
  padding: 32px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand-dark), var(--accent-dark));
  border-radius: var(--radius);
}

.cta-band .eyebrow {
  color: #f8d78e;
}

.page-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.75fr);
  gap: 44px;
  align-items: center;
  min-height: 430px;
  padding: 64px max(20px, calc((100vw - var(--max)) / 2));
  overflow: hidden;
  background: var(--soft);
}

.page-hero::after {
  content: "";
  display: block;
  grid-column: 2;
  grid-row: 1 / span 3;
  min-height: 260px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(13, 47, 70, 0.1), rgba(13, 47, 70, 0.28)),
    url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=1000&q=80") center / cover;
  box-shadow: var(--shadow);
}

.contact-hero::after {
  background:
    linear-gradient(180deg, rgba(13, 47, 70, 0.08), rgba(13, 47, 70, 0.26)),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1000&q=80") center / cover;
}

.page-hero h1 {
  grid-column: 1;
  font-size: clamp(2.05rem, 3.8vw, 3.15rem);
  max-width: 680px;
}

.page-hero .eyebrow,
.page-hero p {
  grid-column: 1;
  max-width: 640px;
}

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

.service-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.service-item:last-child {
  border-bottom: 0;
}

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

.contact-form,
.contact-aside {
  padding: 28px;
}

.contact-aside h2 {
  font-size: 1.85rem;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--ink);
  border: 1px solid #b8c6d5;
  border-radius: var(--radius);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand);
  outline: 3px solid rgba(15, 76, 129, 0.18);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px max(20px, calc((100vw - var(--max)) / 2));
  color: #dce8f2;
  background: #102033;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #fff;
  font-weight: 800;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

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

  .hero,
  .page-hero,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 52px;
  }

  .page-hero::after {
    grid-column: auto;
    grid-row: auto;
    min-height: 220px;
  }

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

@media (max-width: 640px) {
  .site-header {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand small {
    display: none;
  }

  .hero,
  .section,
  .page-hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  h1,
  .page-hero h1 {
    font-size: 2.25rem;
  }

  .feature-grid,
  .products-grid,
  .two-columns {
    grid-template-columns: 1fr;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .cta-band,
  .site-footer {
    margin-left: 16px;
    margin-right: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer {
    margin: 0;
  }
}