:root {
  --primary: #0F4C81;
  --accent: #3BAFDA;
  --bg: #F5F8FB;
  --text: #24313f;
  --muted: #657487;
  --line: #E2E8F0;
  --success: #18A058;
  --white: #FFFFFF;
  --shadow: 0 24px 70px rgba(15, 76, 129, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 0 clamp(18px, 5vw, 72px);
  color: var(--white);
  transition: background 220ms ease, box-shadow 220ms ease, color 220ms ease;
}

.site-header.scrolled,
.site-header.menu-open {
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: Poppins, Inter, sans-serif;
  font-weight: 800;
}

.brand img {
  width: 70px;
  height: 70px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2.8vw, 34px);
  font-size: 14px;
  font-weight: 700;
}

.main-nav a { opacity: 0.92; }
.main-nav a:hover { color: var(--accent); }

.nav-products {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-products-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.nav-products-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 180ms ease;
}

.nav-products.is-open .nav-products-toggle svg {
  transform: rotate(180deg);
}

.product-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  display: grid;
  grid-template-columns: 250px;
  width: 250px;
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  box-shadow: 0 26px 64px rgba(15, 76, 129, 0.16);
  overflow: hidden;
  z-index: 60;
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  transform: translateY(8px);
}

.nav-products.is-open .product-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.product-menu-col {
  display: grid;
}

.product-menu-all {
  padding: 16px 18px 10px;
  color: #374151;
  font-size: 16px;
  pointer-events: none;
}

.product-menu-item {
  width: 100%;
  padding: 15px 18px;
  border: 0;
  border-bottom: 1px solid #edf2f7;
  background: #fff;
  color: #24313f;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.product-menu-item[data-has-submenu="true"]::after {
  content: ">";
  float: right;
  color: #9aa9b9;
}

.product-menu-item[data-has-submenu="true"] {
  background: #f5f8fc;
  color: var(--accent);
}

.nav-products.is-open .nav-products-toggle {
  color: var(--accent);
}

.product-menu-detail {
  display: none;
  border-left: 1px solid rgba(226, 232, 240, 0.95);
  padding: 16px 18px;
}

.nav-products.has-submenu-open .product-menu-detail {
  display: block;
}

.nav-products.has-submenu-open .product-menu {
  grid-template-columns: 250px 260px;
  width: 510px;
}

.product-menu-title {
  margin-bottom: 10px;
  font-family: Poppins, Inter, sans-serif;
  font-size: 22px;
  font-weight: 800;
}

.product-menu-links {
  display: grid;
  gap: 6px;
  transition: opacity 180ms ease, transform 180ms ease;
  opacity: 1;
  transform: translateX(0);
}

.product-menu-links[hidden] {
  display: none;
  opacity: 0;
  transform: translateX(8px);
}

.product-menu-links a {
  padding: 6px 0;
  color: #374151;
}

.product-menu-links a:hover {
  color: var(--accent);
}

.product-menu-links.no-submenu {
  align-items: center;
  min-height: 180px;
  color: #8a97a6;
  font-size: 14px;
}

.quote-link,
.btn {
  display: inline-flex;
  width: fit-content;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.quote-link {
  min-height: 44px;
  padding: 0 22px;
  background: var(--white);
  color: var(--primary);
}

.site-header.scrolled .quote-link,
.site-header.menu-open .quote-link,
.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  box-shadow: 0 16px 34px rgba(59, 175, 218, 0.28);
}

.btn {
  padding: 0 26px;
}

.btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.quote-link:hover,
.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 18px 42px rgba(59, 175, 218, 0.34);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: inherit;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  color: var(--white);
  background: #071d33;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 900ms ease, transform 900ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: clamp(28px, 6vw, 64px);
  z-index: 2;
  display: flex;
  gap: 14px;
  transform: translateX(-50%);
}

.hero-dots button {
  width: 42px;
  height: 8px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.46);
  cursor: pointer;
  transition: width 180ms ease, background 180ms ease, transform 180ms ease;
}

.hero-dots button:hover,
.hero-dots button.is-active {
  width: 64px;
  background: var(--white);
  transform: translateY(-1px);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding: 126px clamp(18px, 6vw, 86px) 76px;
}

.hero-copy {
  max-width: 760px;
}

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

h1,
h2,
h3 {
  margin: 0;
  font-family: Poppins, Inter, sans-serif;
  line-height: 1.08;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 5.2vw, 66px);
  letter-spacing: -0.02em;
}

.hero p {
  max-width: 600px;
  margin: 18px 0 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(16px, 1.6vw, 19px);
}

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

.section {
  padding: clamp(76px, 9vw, 126px) clamp(18px, 6vw, 86px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 42px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading p {
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.product-showcase,
.production-process,
.partner,
.team,
.certificates,
.testimonials,
.contact {
  margin: 0;
}

h2 {
  color: #172335;
  font-size: clamp(32px, 4vw, 58px);
  letter-spacing: -0.025em;
}

.intro-grid,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.intro-image img {
  width: 100%;
  aspect-ratio: 1.15 / 1;
  object-fit: cover;
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.intro-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.mini-specs,
.advantage-grid,
.product-grid,
.case-grid,
.testimonial-grid,
.stats {
  display: grid;
  gap: 22px;
}

.mini-specs {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 26px;
}

.mini-specs span,
.glass-card,
.product-card,
.case-card,
.testimonial,
.inquiry-form {
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 48px rgba(15, 76, 129, 0.08);
}

.mini-specs span {
  padding: 16px 18px;
  font-weight: 800;
}

.advantages {
  background: radial-gradient(circle at top right, rgba(59, 175, 218, 0.18), transparent 30%), var(--white);
}

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

.glass-card {
  padding: 28px;
  backdrop-filter: blur(16px);
}

.glass-card strong {
  display: block;
  margin-bottom: 10px;
  color: #172335;
  font-family: Poppins, Inter, sans-serif;
  font-size: 20px;
}

.glass-card p,
.case-card p,
.testimonial p {
  margin: 0;
  color: var(--muted);
}

.products {
  background: linear-gradient(180deg, var(--bg), #eef7fc);
}

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

.product-tile {
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 16px;
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 34px rgba(15, 76, 129, 0.06);
  text-align: center;
  overflow: hidden;
  transition: transform 320ms ease, border-color 320ms ease, box-shadow 320ms ease;
}

.product-tile:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 175, 218, 0.72);
  box-shadow: 0 20px 42px rgba(15, 76, 129, 0.12);
}

.product-tile img {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 4px;
  transition: transform 420ms cubic-bezier(.2,.7,.2,1), filter 320ms ease;
  will-change: transform;
}

.product-tile:hover img {
  transform: scale(1.08);
  filter: saturate(1.04);
}

.product-tile span {
  color: #172335;
  font-weight: 800;
  transition: color 260ms ease;
}

.product-tile:hover span {
  color: var(--accent);
}

.order-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.order-line::before {
  content: "";
  position: absolute;
  top: 40px;
  right: 10%;
  left: 10%;
  height: 1px;
  background: rgba(15, 76, 129, 0.16);
}

.order-line article {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 40px rgba(15, 76, 129, 0.07);
}

.order-line span {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border: 1px solid rgba(59, 175, 218, 0.35);
  border-radius: 50%;
  background: #eef8fc;
  color: var(--primary);
  font-weight: 900;
}

.order-line h3 {
  color: #172335;
  font-size: 22px;
}

.order-line p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.production-process {
  background: #eef5fa;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  gap: 22px;
}

.process-card {
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 40px rgba(15, 76, 129, 0.07);
}

.process-card img {
  width: 100%;
  aspect-ratio: 1.55 / 1;
  object-fit: cover;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.process-card:hover img {
  transform: scale(1.04);
}

.process-card h3 {
  padding: 20px 22px 0;
  color: #172335;
  font-size: 22px;
}

.process-card p {
  margin: 8px 0 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.partner {
  background: #f8fbfe;
}

.partner-panel {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(34px, 5vw, 70px);
  align-items: center;
  padding: clamp(30px, 5vw, 56px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #f4f9fc);
  box-shadow: var(--shadow);
}

.partner-copy h2 {
  max-width: 660px;
  margin-bottom: 18px;
}

.partner-copy p {
  margin: 0 0 16px;
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.partner-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.partner-points span {
  display: flex;
  min-height: 52px;
  align-items: center;
  padding: 13px 15px;
  border: 1px solid rgba(15, 76, 129, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  color: #172335;
  font-size: 14px;
  font-weight: 800;
}

.factory-collage {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: repeat(2, minmax(160px, 1fr));
  gap: 14px;
}

.factory-collage img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(15, 76, 129, 0.12);
}

.factory-collage .factory-main {
  grid-row: span 2;
  min-height: 420px;
}

.partner-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 22px;
  text-align: center;
}

.partner-stats div {
  padding: 18px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(15, 76, 129, 0.08);
}

.partner-stats strong,
.partner-stats span {
  display: block;
}

.partner-stats strong {
  color: var(--primary);
  font-family: Poppins, Inter, sans-serif;
  font-size: clamp(32px, 4vw, 46px);
}

.partner-stats span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.team {
  background: #ffffff;
}

.certificates {
  background: #f6f9fc;
}

.certificate-shell {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 52px;
  gap: 16px;
  align-items: center;
}

.certificate-window {
  overflow: hidden;
}

.certificate-track {
  display: flex;
  gap: 22px;
  transition: transform 360ms ease;
  will-change: transform;
}

.certificate-shell:hover .certificate-track {
  transform: translateY(-2px);
}

.certificate-card {
  flex: 0 0 calc((100% - 44px) / 3);
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 18px 48px rgba(15, 76, 129, 0.09);
  transform-origin: center center;
  transition: transform 280ms ease, box-shadow 280ms ease, opacity 280ms ease;
}

.certificate-card:nth-child(2) {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 22px 56px rgba(15, 76, 129, 0.12);
}

.certificate-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 26px 64px rgba(15, 76, 129, 0.15);
}

.certificate-card img {
  width: 100%;
  height: 330px;
  object-fit: contain;
  padding: 18px;
  background: linear-gradient(180deg, #ffffff, #eef7fc);
}

.certificate-card div:last-child {
  padding: 18px 20px 22px;
}

.certificate-card h3 {
  color: #172335;
  font-size: 20px;
}

.certificate-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.cert-arrow {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(15, 76, 129, 0.14);
  border-radius: 50%;
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 12px 30px rgba(15, 76, 129, 0.08);
  font-size: 28px;
  line-height: 1;
}

.cert-arrow:hover {
  transform: scale(1.06);
  background: var(--primary);
  color: var(--white);
}

.certificate-shell,
.certificate-track,
.certificate-card {
  transition: transform 320ms ease, opacity 320ms ease, box-shadow 320ms ease;
}

.testimonials {
  background: #ffffff;
}

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

.testimonial {
  padding: 24px;
}

.testimonial strong {
  display: block;
  margin-top: 18px;
  color: #172335;
}

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

.contact {
  background: #f6f9fc;
}

.team-head {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto 28px;
}

.team-head h2 {
  max-width: 440px;
  font-size: clamp(28px, 3vw, 40px);
}

.team-head p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.team-layout {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(360px, 0.82fr);
  gap: clamp(20px, 4vw, 36px);
  align-items: stretch;
  max-width: 1180px;
  margin: 0 auto;
}

.team-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.team-services article {
  padding: 22px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 40px rgba(15, 76, 129, 0.07);
}

.team-services span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--accent);
  font-weight: 900;
}

.team-services h3 {
  color: #172335;
  font-size: 18px;
}

.team-services p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.team-media {
  display: grid;
  grid-template-rows: 1.15fr 0.85fr;
  gap: 16px;
}

.team-media img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(15, 76, 129, 0.12);
}

.cta-banner {
  margin: 0 clamp(18px, 6vw, 86px);
  padding: clamp(50px, 7vw, 84px);
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.96), rgba(59, 175, 218, 0.86)), url("../img/%E9%A6%96%E9%A1%B5%E6%B5%B7%E6%8A%A52.jpg") center / cover;
  color: var(--white);
  text-align: center;
}

.cta-banner h2 {
  max-width: 760px;
  margin: 0 auto 28px;
  color: var(--white);
}

.cta-banner .btn {
  margin: 0 auto;
  background: var(--white);
  color: var(--primary);
}

.contact {
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 22px;
}

.contact-info p {
  margin: 0 0 12px;
  color: var(--muted);
}

iframe {
  width: 100%;
  height: 330px;
  margin-top: 24px;
  border: 0;
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.inquiry-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 40px);
  position: relative;
  overflow: hidden;
}

.inquiry-form h2 {
  font-size: clamp(28px, 3vw, 42px);
}

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

label {
  display: grid;
  gap: 7px;
  color: #344255;
  font-size: 13px;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  background: var(--white);
  color: var(--text);
  font: inherit;
  transition: border 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 4px rgba(59, 175, 218, 0.16);
  transform: translateY(-1px);
}

textarea { resize: vertical; }

.success-message {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--success);
  font-weight: 800;
}

.success-message.show { display: flex; }
.success-message span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--success);
  position: relative;
  animation: pop 300ms ease;
}
.success-message span::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 5px;
  width: 7px;
  height: 12px;
  border: solid var(--white);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

@keyframes pop {
  from { transform: scale(0.4); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.footer {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
  gap: 28px;
  padding: 70px clamp(18px, 6vw, 86px) 28px;
  background: #081526;
  color: rgba(255, 255, 255, 0.76);
}

.footer strong {
  display: block;
  margin-bottom: 18px;
  color: var(--white);
  font-size: 18px;
}

.footer-brand p {
  max-width: 320px;
  margin: 18px 0 0;
  line-height: 1.7;
}

.footer-logo {
  width: 92px;
  height: auto;
  display: block;
}

.footer-col {
  display: grid;
  gap: 14px;
  align-content: start;
}

.footer-col a {
  width: fit-content;
  color: rgba(255, 255, 255, 0.82);
}

.footer-col a:hover {
  color: var(--accent);
}

.social-icons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-icons a {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  color: var(--white);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.social-icons svg {
  width: 18px;
  height: 18px;
}

.social-icons a:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.footer-copy {
  grid-column: 1 / -1;
  margin: 34px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  display: inline-flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 16px 36px rgba(37, 211, 102, 0.35);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover {
  transform: translateY(-2px) scale(1.04);
}

/* About page */
.about-page,
.contact-page,
.case-page,
.products-page { background: #f5f8fb; }
.about-hero {
  min-height: 380px;
  display: grid;
  place-items: center;
  padding: 130px 6vw 72px;
  color: var(--white);
  text-align: center;
  background: linear-gradient(105deg, rgba(8, 40, 68, .9), rgba(15, 76, 129, .68)), url("../img/banner2.png") center / cover;
}
.about-hero h1 { margin: 10px 0 12px; color: var(--white); font-size: clamp(42px, 6vw, 76px); }
.about-hero p { max-width: 660px; margin: 0 auto; color: rgba(255,255,255,.84); font-size: 18px; }
.about-intro { display: grid; grid-template-columns: minmax(280px, .82fr) minmax(0, 1.18fr); gap: clamp(34px, 7vw, 104px); align-items: center; background: linear-gradient(115deg, #eef6fb 0%, #f8fbfe 58%, #ffffff 100%); }
.about-intro-media { position: relative; min-height: 430px; }
.about-intro-media img { width: min(100%, 520px); height: 390px; object-fit: cover; border-radius: 8px; box-shadow: 0 22px 54px rgba(15, 76, 129, 0.12); }
.about-intro-media::after { display: none; }
.about-intro-copy { max-width: 760px; }
.about-intro-copy h2 { max-width: 720px; font-size: clamp(38px, 5vw, 68px); line-height: 1.08; }
.about-intro-copy p { max-width: 780px; color: var(--muted); font-size: 17px; line-height: 1.72; }
.about-intro-copy strong { color: var(--primary); }
.about-trust-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 30px; }
.about-trust-points div { min-height: 92px; padding: 18px 20px; border: 1px solid rgba(15, 76, 129, .1); border-radius: 8px; background: rgba(255, 255, 255, .72); box-shadow: 0 14px 34px rgba(15, 76, 129, .07); }
.about-trust-points strong { display: block; color: var(--primary); font-family: Poppins, Inter, sans-serif; font-size: clamp(20px, 2.1vw, 28px); line-height: 1.1; white-space: nowrap; }
.about-trust-points span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; font-weight: 700; text-transform: uppercase; }
.about-products { background: var(--white); }
.about-products .section-heading { max-width: 760px; }
.about-products .section-heading h2 { font-size: clamp(32px, 4vw, 56px); line-height: 1.12; }
.about-product-grid { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 16px; margin-top: 38px; overflow: hidden; }
.about-product-item { position: relative; grid-column: span 2; min-height: 238px; padding: 28px 24px 26px; border: 1px solid rgba(15, 76, 129, .12); border-top: 2px solid var(--primary); border-radius: 8px; background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%); transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
.about-product-item:nth-child(5) { grid-column: 2 / span 2; }
.about-product-item:nth-child(6) { grid-column: 4 / span 2; }
.about-product-item:nth-child(7) { grid-column: 6 / span 2; }
.about-product-item:hover { transform: translateY(-5px); border-color: rgba(59, 175, 218, .62); box-shadow: 0 18px 38px rgba(15,76,129,.11); }
.about-product-item span { display: block; }
.about-icon { width: 48px; height: 48px; display: grid !important; place-items: center; margin-bottom: 18px !important; border: 1px solid rgba(59,175,218,.36); border-radius: 50%; background: #f5fbff; color: var(--primary) !important; font-size: 15px !important; font-weight: 800; line-height: 1; }
.about-product-kicker { margin-bottom: 8px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .08em; line-height: 1.2; text-transform: uppercase; }
.about-product-item p { margin: 10px 0 0; color: var(--muted); font-size: 14px; line-height: 1.58; }
.about-product-item h3 { margin: 0; color: #142238; font-size: 17px; line-height: 1.32; }
.about-why { background: #eef6fb; }
.about-why .section-heading { margin-bottom: 0; }
.about-why-layout { display: grid; gap: 22px; margin-top: 36px; }
.about-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; overflow: hidden; border: 1px solid rgba(15,76,129,.1); border-radius: 8px; background: var(--white); box-shadow: 0 20px 42px rgba(15,76,129,.08); }
.about-stat { position: relative; min-height: 176px; padding: 28px 26px 24px; border-left: 1px solid rgba(15,76,129,.1); background: linear-gradient(180deg, #fff 0%, #f8fcff 100%); }
.about-stat:first-child { border-left: 0; }
.about-stat::before { content: ""; position: absolute; top: 0; right: 26px; left: 26px; height: 4px; background: var(--accent); transform: scaleX(.62); transform-origin: left; }
.about-stat strong { display: block; min-height: 58px; color: var(--primary); font-family: Poppins, sans-serif; font-size: clamp(30px, 3.4vw, 48px); line-height: 1.08; white-space: nowrap; }
.about-stat strong span { display: inline; margin-top: 0; color: inherit; font-size: inherit; }
.about-stat > span { display: block; margin-top: 18px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.about-benefits { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.about-benefits div { position: relative; min-height: 104px; padding: 22px 20px 18px 48px; background: var(--white); border: 1px solid rgba(15,76,129,.09); border-bottom: 3px solid var(--accent); color: var(--text); line-height: 1.5; box-shadow: 0 12px 26px rgba(15,76,129,.05); }
.about-benefits div::before { content: "✓"; position: absolute; left: 20px; color: var(--accent); font-weight: 800; }
.about-promise { display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; background: var(--primary); color: var(--white); }
.about-promise h2 { color: var(--white); }
.about-promise p { color: rgba(255,255,255,.78); }
.promise-points { display: grid; gap: 12px; }
.promise-points div { padding: 14px 18px; border-left: 2px solid var(--accent); background: rgba(255,255,255,.08); }
.about-page .main-nav a.active,
.contact-page .main-nav a.active,
.case-page .main-nav a.active { color: var(--accent); }

/* Case page */
.case-hero {
  min-height: 430px;
  display: grid;
  place-items: center;
  padding: 142px 6vw 78px;
  color: var(--white);
  text-align: center;
  background: linear-gradient(105deg, rgba(8, 40, 68, .91), rgba(15, 76, 129, .62)), url("../img/banner1.png") center / cover;
}
.case-hero h1 { margin: 10px 0 14px; color: var(--white); font-size: clamp(44px, 6.4vw, 82px); }
.case-hero p { max-width: 760px; margin: 0 auto; color: rgba(255,255,255,.86); font-size: 18px; line-height: 1.7; }
.case-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .88fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  background: linear-gradient(115deg, #eef6fb 0%, #f8fbfe 58%, #ffffff 100%);
}
.case-overview-copy h2 { max-width: 720px; font-size: clamp(34px, 4.6vw, 64px); }
.case-overview-copy p { max-width: 720px; margin: 20px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.case-proof-grid { display: grid; gap: 14px; }
.case-proof-grid div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: center;
  min-height: 88px;
  padding: 18px;
  border: 1px solid rgba(15,76,129,.1);
  border-radius: 8px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 16px 38px rgba(15,76,129,.07);
}
.case-proof-grid strong { color: var(--primary); font-family: Poppins, Inter, sans-serif; font-size: 28px; }
.case-proof-grid span { color: #172335; font-weight: 800; }
.case-gallery { background: var(--white); }
.case-study-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 1240px;
  margin: 0 auto;
}
.case-study {
  overflow: hidden;
  border: 1px solid rgba(15,76,129,.1);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(15,76,129,.08);
  transition: transform 240ms ease, box-shadow 240ms ease;
}
.case-study:first-child { grid-column: 1 / -1; }
.case-study:hover { transform: translateY(-5px); box-shadow: 0 24px 58px rgba(15,76,129,.13); }
.case-study img {
  width: 100%;
  aspect-ratio: 2.14 / 1;
  object-fit: cover;
  background: #355a73;
}
.case-study div { padding: 24px 26px 28px; }
.case-study span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.case-study h3 { color: #172335; font-size: clamp(22px, 2.5vw, 32px); line-height: 1.18; }
.case-study p { margin: 12px 0 0; color: var(--muted); line-height: 1.68; }
.case-process { background: #eef6fb; }
.case-process .section-heading { max-width: 820px; }
.case-process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.case-process-grid article {
  min-height: 220px;
  padding: 28px;
  border: 1px solid rgba(15,76,129,.1);
  border-top: 3px solid var(--accent);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(15,76,129,.07);
}
.case-process-grid strong { display: block; color: #172335; font-family: Poppins, Inter, sans-serif; font-size: 24px; }
.case-process-grid p { margin: 14px 0 0; color: var(--muted); line-height: 1.68; }
.case-cta {
  margin: 0;
  padding: clamp(64px, 8vw, 100px) clamp(18px, 6vw, 86px);
  color: var(--white);
  text-align: center;
  background: linear-gradient(135deg, rgba(15, 76, 129, .96), rgba(59, 175, 218, .82)), url("../img/banner2.png") center / cover;
}
.case-cta h2 { max-width: 850px; margin: 0 auto 28px; color: var(--white); font-size: clamp(30px, 4vw, 56px); }
.case-cta .btn { margin: 0 auto; background: var(--white); color: var(--primary); box-shadow: 0 18px 42px rgba(8, 21, 38, .22); }

/* Products page */
.products-hero {
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 140px 6vw 76px;
  color: var(--white);
  text-align: center;
  background: linear-gradient(105deg, rgba(8, 40, 68, .9), rgba(15, 76, 129, .62)), url("../img/banner1.png") center / cover;
}
.products-hero h1 { margin: 10px 0 12px; color: var(--white); font-size: clamp(46px, 6.5vw, 82px); }
.products-hero p { max-width: 760px; margin: 0 auto; color: rgba(255,255,255,.86); font-size: 18px; line-height: 1.7; }
.product-catalog {
  position: relative;
  display: grid;
  grid-template-columns: 276px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  background: linear-gradient(115deg, #eef6fb 0%, #f8fbfe 58%, #ffffff 100%);
}
.catalog-sidebar {
  position: sticky;
  top: 96px;
  z-index: 20;
  overflow: visible;
  border: 1px solid rgba(226, 232, 240, .95);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 44px rgba(15, 76, 129, .08);
}
.catalog-sidebar h2 {
  margin: 0;
  padding: 22px 24px;
  border-top: 3px solid var(--primary);
  border-bottom: 1px solid var(--line);
  color: var(--primary);
  font-size: 22px;
}
.catalog-nav-item {
  position: relative;
  background: var(--white);
}
.catalog-nav-item:last-child .catalog-filter {
  border-bottom: 0;
}
.catalog-filter {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 48px;
  padding: 13px 42px 13px 24px;
  border: 0;
  border-bottom: 1px solid #edf2f7;
  background: var(--white);
  color: var(--text);
  font: inherit;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, padding 180ms ease;
}
.catalog-filter::after {
  content: ">";
  position: absolute;
  top: 50%;
  right: 20px;
  color: #9aa9b9;
  display: none;
  transform: translateY(-50%);
}
.catalog-nav-item.has-subcategories > .catalog-filter::after {
  display: block;
  width: 8px;
  height: 8px;
  content: "";
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
  opacity: .55;
}
.catalog-filter:hover,
.catalog-filter.is-active {
  background: #eef6fb;
  color: var(--primary);
  padding-left: 30px;
}
.catalog-nav-item.has-subcategories:hover .catalog-filter,
.catalog-nav-item.has-subcategories:focus-within .catalog-filter {
  background: #eef6fb;
  color: var(--primary);
}
.catalog-submenu {
  position: absolute;
  top: 0;
  left: calc(100% + 10px);
  z-index: 80;
  visibility: hidden;
  opacity: 0;
  width: 224px;
  padding: 16px 0;
  border: 1px solid rgba(226, 232, 240, .95);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 44px rgba(15, 76, 129, .16);
  transform: translateX(-10px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}
.catalog-submenu::before {
  content: "";
  position: absolute;
  top: 0;
  right: 100%;
  width: 12px;
  height: 100%;
}
.catalog-nav-item.has-subcategories:hover .catalog-submenu,
.catalog-nav-item.has-subcategories:focus-within .catalog-submenu {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
}
.catalog-submenu button {
  width: 100%;
  padding: 8px 24px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.catalog-submenu button:hover,
.catalog-submenu button:focus {
  color: var(--primary);
}
.catalog-main {
  position: relative;
  z-index: 1;
  min-width: 0;
}
.catalog-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
  padding: 22px 26px;
  border: 1px solid rgba(226, 232, 240, .9);
  border-radius: 8px;
  background: rgba(255,255,255,.86);
}
.catalog-toolbar h2 { margin: 4px 0 0; font-size: clamp(28px, 4vw, 44px); }
.catalog-toolbar p { max-width: 520px; margin: 0; color: var(--muted); }
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.catalog-card {
  display: grid;
  overflow: hidden;
  min-height: 100%;
  border: 1px solid rgba(226, 232, 240, .92);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 42px rgba(15, 76, 129, .09);
  transform: translateY(0);
  transition: opacity 220ms ease, transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}
.catalog-card[hidden] { display: none; }
.catalog-card.is-filtering {
  opacity: 0;
  transform: translateY(10px) scale(.98);
}
.catalog-card:hover {
  border-color: rgba(59, 175, 218, .38);
  box-shadow: 0 24px 58px rgba(15, 76, 129, .16);
  transform: translateY(-6px);
}
.catalog-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #f8fafc;
  transition: transform 420ms ease;
}
.catalog-card:hover img { transform: scale(1.045); }
.catalog-card div { display: grid; gap: 10px; padding: 18px; }
.catalog-tag {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 4px;
  background: #e8f6fc;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}
.catalog-card h3 { margin: 0; font-size: 19px; line-height: 1.28; }
.catalog-card p { min-height: 48px; margin: 0; color: var(--muted); line-height: 1.5; }
.catalog-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  border: 1px solid #0f172a;
  border-radius: 999px;
  color: #111827;
  font-weight: 800;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}
.catalog-cta:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-1px);
}
@media (max-width: 1200px) {
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Contact page */
.contact-hero {
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 140px 6vw 76px;
  color: var(--white);
  text-align: center;
  background: linear-gradient(105deg, rgba(8, 40, 68, .9), rgba(15, 76, 129, .6)), url("../img/banner1.png") center / cover;
}
.contact-hero h1 { margin: 10px 0 12px; color: var(--white); font-size: clamp(46px, 6.5vw, 82px); }
.contact-hero p { max-width: 720px; margin: 0 auto; color: rgba(255,255,255,.86); font-size: 18px; line-height: 1.7; }
.contact-main {
  display: grid;
  grid-template-columns: minmax(280px, .82fr) minmax(360px, 1.18fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  background: linear-gradient(115deg, #eef6fb 0%, #f8fbfe 58%, #ffffff 100%);
}
.contact-card {
  border: 1px solid rgba(15, 76, 129, .1);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 20px 48px rgba(15, 76, 129, .09);
}
.contact-details { padding: clamp(24px, 4vw, 42px); }
.contact-details h2,
.contact-form h2 { margin: 10px 0 24px; font-size: clamp(30px, 3.8vw, 52px); }
.contact-list { display: grid; gap: 12px; }
.contact-list a,
.contact-list div {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  background: #f7fbfe;
  color: inherit;
}
.contact-list strong {
  color: var(--primary);
  font-size: 13px;
  text-transform: uppercase;
}
.contact-list span { color: var(--muted); line-height: 1.55; overflow-wrap: anywhere; }
.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 42px);
}
.contact-form .btn { width: fit-content; }
.contact-map-section {
  padding-top: clamp(52px, 6vw, 86px);
  background: var(--white);
}
.contact-map-section .section-heading { margin-bottom: 28px; }
.contact-map {
  display: block;
  max-width: 1180px;
  height: clamp(320px, 42vw, 520px);
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 20px 48px rgba(15, 76, 129, .09);
}
@media (max-width: 820px) {
  .product-tile:hover { transform: translateY(-2px); }
  .product-tile:hover img { transform: scale(1.04); }
  .contact-main { grid-template-columns: 1fr; }
  .case-overview,
  .case-study-list,
  .case-process-grid { grid-template-columns: 1fr; }
  .case-study:first-child { grid-column: auto; }
  .product-catalog {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 12px;
    padding-inline: 10px;
    overflow: visible;
  }
  .catalog-sidebar {
    position: sticky;
    top: 78px;
    z-index: 60;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    overflow: visible;
    padding: 0;
    align-items: stretch;
    align-self: start;
    max-height: none;
  }
  .catalog-sidebar h2 { display: none; }
  .catalog-nav-item {
    min-width: 0;
    background: var(--white);
  }
  .catalog-nav-item.has-subcategories {
    display: block;
  }
  .catalog-nav-item.has-subcategories .catalog-filter {
    background: var(--white);
    color: var(--text);
  }
  .catalog-filter {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    padding: 11px 24px 11px 14px;
    font-size: 14px;
    line-height: 1.25;
    text-align: left;
    white-space: normal;
  }
  .catalog-filter::after {
    right: 12px;
  }
  .catalog-filter:hover,
  .catalog-filter.is-active {
    background: #eef6fb;
    color: var(--primary);
    padding-left: 14px;
  }
  .catalog-submenu {
    position: absolute;
    top: 0;
    left: calc(100% + 8px);
    z-index: 120;
    visibility: hidden;
    opacity: 0;
    display: grid;
    width: min(220px, calc(100vw - 178px));
    gap: 0;
    overflow: hidden;
    padding: 12px 0;
    border: 1px solid rgba(226, 232, 240, .95);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 18px 44px rgba(15, 76, 129, .18);
    transform: translateX(-6px);
  }
  .catalog-nav-item.has-subcategories.is-submenu-open .catalog-submenu,
  .catalog-nav-item.has-subcategories:focus-within .catalog-submenu {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
  }
  .catalog-submenu::before {
    display: block;
    width: 10px;
  }
  .catalog-submenu button {
    width: 100%;
    min-height: 38px;
    padding: 8px 18px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text);
    font-size: 14px;
    text-align: left;
    white-space: normal;
  }
  .catalog-submenu button:hover,
  .catalog-submenu button:focus {
    background: #eef6fb;
  }
  .catalog-toolbar { display: block; }
  .catalog-toolbar {
    margin-bottom: 12px;
    padding: 16px;
  }
  .catalog-toolbar h2 { font-size: 24px; }
  .catalog-toolbar p {
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.55;
  }
  .catalog-grid { grid-template-columns: 1fr; gap: 14px; }
  .catalog-card {
    max-width: 260px;
    margin: 0 auto;
  }
  .catalog-card img {
    aspect-ratio: 1 / .78;
  }
  .catalog-card div {
    padding: 12px;
    gap: 8px;
  }
  .catalog-card h3 { font-size: 16px; }
  .catalog-card p { min-height: 0; font-size: 13px; line-height: 1.45; }
  .catalog-cta {
    min-height: 36px;
    font-size: 13px;
  }
}
@media (max-width: 480px) {
  .contact-hero { min-height: 340px; }
  .contact-form .btn { width: 100%; }
  .case-hero { min-height: 350px; }
  .case-proof-grid div { grid-template-columns: 1fr; gap: 8px; }
  .case-study div { padding: 20px; }
  .products-hero { min-height: 340px; }
  .product-catalog { grid-template-columns: 136px minmax(0, 1fr); }
  .catalog-filter { font-size: 13px; }
  .catalog-submenu { width: min(205px, calc(100vw - 160px)); }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card { max-width: 220px; }
}
@media (max-width: 380px) {
  .product-catalog { grid-template-columns: 126px minmax(0, 1fr); }
  .catalog-submenu { width: min(190px, calc(100vw - 150px)); }
  .catalog-card { max-width: 200px; }
}
@media (max-width: 820px) {
  .about-intro, .about-promise { grid-template-columns: 1fr; }
  .about-intro-media { min-height: 330px; }
  .about-intro-media img { width: 100%; height: 320px; }
  .about-intro-media::after { height: 100px; font-size: 18px; }
  .about-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-product-item, .about-product-item:nth-child(5), .about-product-item:nth-child(6), .about-product-item:nth-child(7) { grid-column: auto; }
  .about-trust-points { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .about-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stat:nth-child(3) { border-left: 0; border-top: 1px solid rgba(15,76,129,.1); }
  .about-stat:nth-child(4) { border-top: 1px solid rgba(15,76,129,.1); }
  .about-benefits { grid-template-columns: repeat(2, 1fr); }
  .about-why-layout { gap: 18px; }
  .about-promise { gap: 24px; }
}
@media (max-width: 480px) {
  .about-product-grid, .about-stat-grid { grid-template-columns: 1fr; }
  .about-product-item, .about-product-item:nth-child(5), .about-product-item:nth-child(6), .about-product-item:nth-child(7) { grid-column: auto; }
  .about-trust-points { grid-template-columns: 1fr; }
  .about-stat { min-height: 148px; border-left: 0; border-top: 1px solid rgba(15,76,129,.1); }
  .about-stat:first-child { border-top: 0; }
  .about-benefits { grid-template-columns: 1fr; }
  .about-benefits div { min-height: auto; }
  .about-hero { min-height: 330px; }
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.slide-left { transform: translateX(24px); }
.reveal.slide-right { transform: translateX(-24px); }
.reveal.in-view {
  opacity: 1;
  transform: translate(0, 0);
}

.section-heading,
.section-heading p,
.section-heading .eyebrow {
  transform-origin: center;
}

.section-heading.reveal {
  transform: translateY(14px);
}

.section-heading.in-view {
  transform: translateY(0);
}

.product-tile,
.partner-stats div,
.team-services article,
.process-card,
.testimonial,
.certificate-card,
.partner-points span {
  transition: transform 260ms ease, box-shadow 260ms ease, opacity 260ms ease;
}

@media (max-width: 1050px) {
  .intro-grid,
  .contact,
  .advantage-grid,
  .case-grid,
  .testimonial-grid,
  .stats {
    grid-template-columns: 1fr 1fr;
  }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .step::after { display: none; }
  .certificate-card { flex-basis: calc((100% - 22px) / 2); }
  .partner-panel,
  .team-head,
  .team-layout {
    grid-template-columns: 1fr;
  }
  .product-mosaic {
    grid-template-columns: repeat(4, 1fr);
  }
  .order-line {
    grid-template-columns: repeat(3, 1fr);
  }
  .factory-collage .factory-main {
    min-height: 360px;
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 70px;
  }
  .menu-button { display: block; }
  .main-nav {
    position: fixed;
    top: 70px;
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--white);
    color: var(--text);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; animation: drawer 220ms ease; }
  .main-nav a { padding: 14px; }
  .nav-products {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .nav-products-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 14px;
    text-align: left;
  }
  .nav-products:not(.is-open) .product-menu {
    display: none;
  }
  .product-menu {
    position: static;
    width: 100%;
    grid-template-columns: 1fr;
    margin-top: 6px;
    border-radius: 10px;
    box-shadow: none;
    transform: none;
  }
  .product-menu-detail {
    display: none;
    padding: 12px 14px 14px;
  }
  .nav-products.has-submenu-open .product-menu-detail {
    display: block;
  }
  .product-menu-title {
    margin-bottom: 6px;
    font-size: 16px;
  }
  .product-menu-item[data-has-submenu="true"]::after {
    content: "⌄";
    float: right;
  }
  .product-menu-detail { border-left: 0; border-top: 1px solid rgba(226, 232, 240, 0.95); }
  .product-menu-links {
    gap: 8px;
  }
  .product-menu-links a {
    padding: 8px 0;
  }
  .product-menu-item[data-has-submenu="true"]::after {
    content: "⌄";
  }
  .nav-products.is-open .nav-products-toggle svg {
    transform: rotate(180deg);
  }
  .quote-link { display: none; }
  .intro-grid,
  .contact,
  .advantage-grid,
  .case-grid,
  .testimonial-grid,
  .stats,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .mini-specs { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .hero h1 {
    font-size: clamp(34px, 9vw, 52px);
  }
  .hero p {
    font-size: 16px;
  }
  .order-line,
  .process-grid,
  .partner-stats,
  .team-services,
  .team-media {
    grid-template-columns: 1fr;
  }
  .partner-points,
  .factory-collage {
    grid-template-columns: 1fr;
  }
  .factory-collage .factory-main {
    grid-row: auto;
    min-height: 260px;
  }
  .product-mosaic {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonial-grid {
    grid-template-columns: 1fr 1fr;
  }
  .order-line::before {
    display: none;
  }
  .team-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .partner-panel {
    padding: 26px 18px;
  }
  .partner-copy p {
    font-size: 17px;
  }
  .certificate-shell {
    grid-template-columns: 1fr;
  }
  .certificate-card {
    flex-basis: 100%;
  }
  .product-mosaic,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .cert-arrow {
    display: none;
  }
  .footer {
    grid-template-columns: 1fr;
  }
  .footer-copy { text-align: left; }
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
  }
}

@keyframes drawer {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}