:root {
  --ink: #1f2521;
  --muted: #647066;
  --line: #e6e0d8;
  --paper: #fbfaf7;
  --soft: #f1eee8;
  --leaf: #315c45;
  --moss: #78916b;
  --rose: #b76875;
  --white: #ffffff;
}

* {
  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(--paper);
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(31, 37, 33, 0.08);
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--leaf);
  font-weight: 800;
}

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

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

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--leaf);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(34px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(34px, 6vw, 76px) clamp(20px, 5vw, 72px) 42px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--rose);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  max-width: 760px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 0.98;
  font-weight: 760;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.04;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.18;
}

.hero-text {
  max-width: 580px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 750;
}

.button.primary {
  border-color: var(--leaf);
  background: var(--leaf);
  color: var(--white);
}

.button.secondary {
  background: var(--white);
  color: var(--leaf);
}

.button.disabled {
  color: #9a948c;
  background: #efebe4;
}

.hero-gallery {
  display: grid;
  grid-template-columns: 1.2fr 0.82fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.hero-gallery img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.hero-gallery .hero-main {
  grid-row: span 2;
}

.section {
  padding: clamp(56px, 8vw, 110px) clamp(20px, 5vw, 72px);
}

.intro,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}

.intro p:last-child {
  color: var(--muted);
  font-size: 20px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-note {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.product-card div {
  padding: 16px;
}

.product-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--moss);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card h3 {
  font-size: 17px;
}

.product-card p,
.case-grid p,
.advantage-list span,
.contact p,
footer span {
  color: var(--muted);
}

.cases {
  background: #ffffff;
}

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

.case-grid article {
  min-height: 210px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.advantage-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.advantage-list div {
  padding: 20px;
  border-left: 3px solid var(--rose);
  background: rgba(255, 255, 255, 0.62);
}

.advantage-list strong,
.advantage-list span {
  display: block;
}

.advantage-list strong {
  margin-bottom: 6px;
}

.contact {
  padding: clamp(62px, 8vw, 112px) clamp(20px, 5vw, 72px);
  background: var(--leaf);
  color: var(--white);
}

.contact p {
  max-width: 640px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.76);
}

.contact .eyebrow {
  color: #f0b9c2;
}

.contact .button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #072d17;
  font-weight: 900;
  box-shadow: 0 18px 45px rgba(20, 55, 32, 0.24);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: var(--paper);
  font-size: 14px;
}

@media (max-width: 1120px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .intro,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .hero-gallery .hero-main {
    grid-column: span 2;
    grid-row: auto;
  }

  .product-grid,
  .case-grid,
  .advantage-list {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
  }
}
