:root {
  --orange: #e85d04;
  --orange-deep: #c44d03;
  --terracotta: #a0522d;
  --charcoal: #1a1a1a;
  --ink: #2b2b2b;
  --muted: #5c5c5c;
  --sand: #f3ebe3;
  --sand-2: #e8dccf;
  --white: #fffaf6;
  --line: rgba(26, 26, 26, 0.12);
  --shadow: 0 18px 40px rgba(26, 26, 26, 0.12);
  --radius: 4px;
  --font-display: "Barlow Condensed", sans-serif;
  --font-body: "Outfit", sans-serif;
  --header-h: 84px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(232, 93, 4, 0.08), transparent 55%),
    linear-gradient(180deg, #f7f1ea 0%, var(--sand) 40%, #efe4d8 100%);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1140px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.topbar {
  background: var(--charcoal);
  color: #f2e8de;
  font-size: 0.86rem;
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.55rem 0;
  flex-wrap: wrap;
}

.topbar__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
}

.topbar a:hover {
  color: var(--orange);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 250, 246, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(26, 26, 26, 0.08);
}

.site-header__inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand img {
  width: auto;
  height: 64px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
}

.main-nav a:hover {
  color: var(--orange);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--charcoal);
  transition: 0.2s ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  cursor: pointer;
  padding: 0.85rem 1.4rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn--primary {
  background: var(--orange);
  color: #fff;
}

.btn--primary:hover {
  background: var(--orange-deep);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn--nav {
  background: var(--orange);
  color: #fff !important;
  padding: 0.65rem 1rem;
}

.btn--small {
  background: var(--charcoal);
  color: #fff;
  padding: 0.65rem 0.9rem;
  font-size: 0.88rem;
}

.btn--small:hover {
  background: var(--orange);
}

.btn--outline,
.btn--outline-dark {
  background: transparent;
  border: 1px solid currentColor;
}

.btn--outline {
  color: #fff;
  margin-top: 1rem;
}

.btn--outline-dark {
  color: var(--charcoal);
  border-color: var(--charcoal);
}

.hero {
  position: relative;
  min-height: calc(100vh - 120px);
  min-height: calc(100svh - 120px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}

.hero__media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(26, 26, 26, 0.35), transparent 45%),
    url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1800&q=80") center/cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 26, 26, 0.35) 0%, rgba(26, 26, 26, 0.72) 70%, rgba(26, 26, 26, 0.88) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 5rem 0 4.5rem;
  max-width: 760px;
  margin-left: max(calc((100% - 1140px) / 2), 1.25rem);
  margin-right: auto;
  width: min(760px, calc(100% - 2.5rem));
  animation: fadeUp 0.9s ease both;
}

.hero__brand {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.95;
  color: #fff;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  max-width: 18ch;
}

.hero__lead {
  margin: 0 0 1.8rem;
  max-width: 38ch;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.88);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.section {
  padding: 5rem 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-head--light {
  color: #fff;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--orange);
  font-size: 0.95rem;
}

.section-head--light .eyebrow {
  color: #ffb070;
}

h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

.about-copy p {
  color: var(--muted);
  font-size: 1.05rem;
}

.about-aside {
  display: grid;
  gap: 1rem;
}

.stat {
  padding: 1.25rem 1.35rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(232, 220, 207, 0.85));
  border-left: 4px solid var(--orange);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--charcoal);
}

.stat span {
  color: var(--muted);
  font-size: 0.95rem;
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.8rem;
}

.filter-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 500;
  transition: 0.2s ease;
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--charcoal);
  color: #fff;
  border-color: var(--charcoal);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.product {
  background: rgba(255, 250, 246, 0.8);
  border: 1px solid transparent;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.product:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 93, 4, 0.35);
  box-shadow: var(--shadow);
}

.product.is-hidden {
  display: none;
}

.product__media {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--sand-2);
}

.product__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.product:hover .product__media img {
  transform: scale(1.05);
}

.product__body {
  padding: 1.15rem 1.2rem 1.35rem;
}

.product__body h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.product__body p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.product__actions {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  flex-wrap: wrap;
}

.qty-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.qty-label input,
.quote-item__qty {
  width: 72px;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
}

.section--advantages {
  background:
    linear-gradient(135deg, rgba(26, 26, 26, 0.94), rgba(80, 36, 16, 0.92)),
    url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1600&q=80") center/cover;
  color: #fff;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 1.75rem;
}

.advantage-grid article {
  padding-top: 1rem;
  border-top: 2px solid rgba(232, 93, 4, 0.7);
}

.advantage-grid h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.advantage-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.96rem;
}

.certs-band {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem;
  background: linear-gradient(120deg, #fff8f1, #f0e2d4);
  border-left: 5px solid var(--terracotta);
}

.certs-band p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.quote-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.5rem;
  align-items: start;
}

.quote-intro p {
  color: var(--muted);
}

.form-alert {
  background: #ffe8de;
  border-left: 4px solid var(--orange);
  padding: 0.85rem 1rem;
  color: var(--charcoal);
}

.quote-form {
  background: rgba(255, 250, 246, 0.92);
  padding: 1.6rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.quote-form label {
  display: grid;
  gap: 0.4rem;
}

.quote-form label.full {
  margin-bottom: 1.2rem;
}

.quote-form label span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--charcoal);
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius);
}

.quote-form input:focus,
.quote-form textarea:focus,
.qty-label input:focus,
.quote-item__qty:focus {
  outline: 2px solid rgba(232, 93, 4, 0.35);
  border-color: var(--orange);
}

.quote-summary {
  margin-bottom: 1.2rem;
  border: 1px dashed rgba(160, 82, 45, 0.35);
  padding: 1rem;
  background: rgba(243, 235, 227, 0.55);
}

.quote-summary__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.quote-summary__head h3 {
  margin: 0;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1.2rem;
}

.link-btn {
  border: 0;
  background: transparent;
  color: var(--terracotta);
  cursor: pointer;
  font-weight: 600;
  text-decoration: underline;
}

.quote-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.quote-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}

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

.quote-item strong {
  display: block;
  font-size: 0.95rem;
}

.quote-item button {
  border: 0;
  background: transparent;
  color: #9a3412;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
}

.quote-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-footer {
  background: var(--charcoal);
  color: #efe6dc;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
  padding: 3.5rem 0 2.5rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 28ch;
}

.footer-brand img {
  height: 72px;
  width: auto;
  margin-bottom: 0.85rem;
  background: #fff;
  padding: 0.35rem;
}

.site-footer h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 1.25rem;
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-ig {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: #ffb070;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0 1.35rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
}

.whatsapp-float {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
  z-index: 50;
  transition: transform 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.06);
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes heroZoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.1);
  }
}

@media (max-width: 980px) {
  .about-grid,
  .quote-layout,
  .certs-band,
  .footer-grid,
  .advantage-grid,
  .product-grid {
    grid-template-columns: 1fr 1fr;
  }

  .quote-layout,
  .certs-band,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    background: #fffaf6;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--line);
    display: none;
    gap: 0.35rem;
  }

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

  .main-nav a {
    padding: 0.7rem 0.2rem;
  }

  .btn--nav {
    width: fit-content;
  }

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

  .hero {
    min-height: 78vh;
  }

  .hero__content {
    margin-left: 1.25rem;
  }

  .quote-item {
    grid-template-columns: 1fr;
  }

  .topbar__inner {
    justify-content: center;
    text-align: center;
  }
}