:root {
  --ink: #121419;
  --muted: #69717f;
  --line: #dfe4ea;
  --paper: #f6f7f4;
  --white: #ffffff;
  --red: #df2e30;
  --gold: #c99a43;
  --teal: #0d7c83;
  --charcoal: #20252d;
  --shadow: 0 20px 55px rgba(18, 20, 25, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 54px);
  background: rgba(246, 247, 244, 0.92);
  border-bottom: 1px solid rgba(18, 20, 25, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  max-width: min(330px, 58vw);
}

.brand img {
  width: 100%;
  max-height: 58px;
  object-fit: contain;
}

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

.site-nav a {
  padding: 10px 14px;
  color: #333a45;
  font-size: 14px;
  font-weight: 700;
  border-radius: 8px;
}

.site-nav a:hover {
  background: #e9ece7;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--charcoal);
  border: 0;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--white);
}

.hero {
  position: relative;
  display: flex;
  min-height: calc(100vh - 62px);
  align-items: center;
  padding: clamp(42px, 6vw, 82px) clamp(18px, 5vw, 72px) 34px;
  overflow: hidden;
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.56) 38%, rgba(0, 0, 0, 0.08) 76%);
  pointer-events: none;
}

.hero-bg-slider {
  position: absolute;
  inset: 0;
  background: #050607;
}

.hero-bg-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.08) translate3d(0, 0, 0);
  transition: opacity 1.1s ease;
}

.hero-bg-slide.is-active {
  opacity: 1;
  animation: kenburns 7s ease-out forwards;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(760px, 100%);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.94;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.12;
}

p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy p:not(.eyebrow) {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

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

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
}

.hero-stats {
  position: absolute;
  right: clamp(18px, 4vw, 54px);
  bottom: 34px;
  left: clamp(18px, 4vw, 54px);
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 900px;
  margin-top: 8px;
  overflow: hidden;
  border-radius: 8px;
}

.hero-stats span {
  padding: 18px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.74);
}

.hero-stats strong {
  display: block;
  color: var(--white);
  font-size: 28px;
}

@keyframes kenburns {
  0% {
    transform: scale(1.06) translate3d(-1.5%, 0, 0);
  }

  100% {
    transform: scale(1.16) translate3d(1.5%, -1.5%, 0);
  }
}

.intro,
.solutions,
.catalogue-band,
.contact {
  padding: clamp(58px, 8vw, 104px) clamp(18px, 4vw, 54px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.65fr);
  gap: clamp(22px, 6vw, 90px);
  align-items: end;
  background: var(--white);
}

.intro p:last-child {
  font-size: 18px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(26px, 4vw, 54px);
}

.product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(18, 20, 25, 0.06);
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  background: #ffffff;
}

.product-card > div {
  padding: 22px;
}

.range-section {
  padding: clamp(44px, 6vw, 82px) clamp(18px, 4vw, 54px);
  background: #eef1ed;
}

.range-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.range-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(18, 20, 25, 0.05);
}

.range-card h3 {
  margin-bottom: 8px;
}

.range-card p {
  margin-bottom: 18px;
  font-size: 14px;
}

.range-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.range-card li {
  position: relative;
  padding-left: 16px;
  color: #333a45;
  font-size: 14px;
  line-height: 1.45;
}

.range-card li::before {
  position: absolute;
  top: 0.64em;
  left: 0;
  width: 6px;
  height: 6px;
  content: "";
  background: var(--red);
  border-radius: 50%;
}

.tag {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0 0;
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 3px 0 0;
  font-weight: 800;
}

.solutions {
  background: var(--charcoal);
  color: var(--white);
}

.section-heading {
  max-width: 820px;
}

.solutions p {
  color: rgba(255, 255, 255, 0.72);
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  overflow: hidden;
  border-radius: 8px;
}

.solution-list article {
  min-height: 245px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
}

.solution-list span {
  display: block;
  margin-bottom: 42px;
  color: var(--gold);
  font-weight: 800;
}

.catalogue-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: center;
  background: #eceee8;
}

.catalogue-band img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.7fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: start;
  background: var(--white);
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: #f4f5f2;
  border: 1px solid var(--line);
  border-radius: 8px;
}

label span {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  background: var(--white);
  border: 1px solid #cdd4dc;
  border-radius: 8px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(223, 46, 48, 0.14);
}

.form-status {
  min-height: 22px;
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.form-status.success {
  color: var(--teal);
}

.form-status.error {
  color: var(--red);
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 4vw, 54px);
  background: var(--ink);
  color: var(--white);
}

.site-footer p {
  margin: 0;
  color: var(--white);
  font-weight: 800;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.74);
}

.whatsapp-float {
  position: fixed;
  left: 18px;
  bottom: 24px;
  z-index: 30;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  background: #25d366;
  border-radius: 50%;
  color: var(--white);
  box-shadow: 0 18px 34px rgba(37, 211, 102, 0.34);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 42px rgba(37, 211, 102, 0.42);
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
}

@media (max-width: 980px) {
  .intro,
  .catalogue-band,
  .contact {
    grid-template-columns: 1fr;
  }

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

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

  .solution-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 75px;
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 14px;
  }

  .hero {
    min-height: 760px;
    align-items: flex-start;
    padding-top: 44px;
    padding-bottom: 200px;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.56) 56%, rgba(0, 0, 0, 0.18));
  }

  .hero-bg-slide {
    object-position: 64% center;
  }

  h1 {
    font-size: 52px;
  }

  .hero-stats,
  .product-grid,
  .range-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    right: 18px;
    bottom: 24px;
    left: 18px;
  }

  .hero-stats span {
    padding: 16px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-actions {
    width: 100%;
    justify-content: space-between;
  }

  .whatsapp-float {
    left: 14px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }

  .whatsapp-float svg {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 430px) {
  .brand {
    max-width: 220px;
  }

  h1 {
    font-size: 44px;
  }

  .hero-actions .button {
    width: 100%;
  }
}
