:root {
  --ink: #17202b;
  --muted: #607085;
  --line: #dfe6ee;
  --bg: #f4f7fa;
  --dark: #1f2a36;
  --blue: #164a7a;
  --teal: #0f6f78;
  --gold: #c98c25;
  --white: #fff;
  --shadow: 0 16px 40px rgba(23, 32, 43, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Arial, "Helvetica Neue", sans-serif;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.contact-strip {
  height: 36px;
  display: flex;
  justify-content: center;
  gap: 28px;
  align-items: center;
  background: var(--blue);
  color: var(--white);
  font-size: 13px;
}
.nav-bar {
  max-width: 1180px;
  margin: 0 auto;
  min-height: 76px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  min-width: 252px;
}
.logo::before {
  content: "T";
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--gold);
  color: #17202b;
  font-weight: 900;
  font-size: 22px;
}
.logo img { display: none; }
.logo strong { display: block; font-size: 22px; color: var(--gold); letter-spacing: .04em; }
.logo small { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 12px;
  color: #314154;
  font-weight: 600;
  font-size: 15px;
}
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.main-nav a.active { background: #eef4fa; }
.nav-cta, .primary-btn, .secondary-btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--blue);
  font-weight: 700;
}
.nav-cta, .primary-btn { background: var(--blue); color: var(--white); }
.secondary-btn { background: rgba(255,255,255,.08); color: var(--white); border-color: rgba(255,255,255,.72); }

.hero {
  position: relative;
  min-height: 72vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(12,21,32,.84), rgba(12,21,32,.50), rgba(12,21,32,.18)), url("./images/hero-production.jpg");
  background-size: cover;
  background-position: center;
}
.hero-inner {
  position: relative;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 88px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.hero h1 {
  margin: 0;
  font-size: clamp(48px, 8vw, 94px);
  line-height: .95;
  letter-spacing: 0;
}
.hero-copy {
  width: min(760px, 100%);
  margin: 22px 0 0;
  font-size: clamp(18px, 2.1vw, 25px);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

.quick-facts {
  width: min(1180px, calc(100% - 48px));
  margin: -42px auto 0;
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.quick-facts div { padding: 22px 24px; border-right: 1px solid var(--line); }
.quick-facts div:last-child { border-right: 0; }
.quick-facts strong { display: block; font-size: 25px; color: var(--blue); }
.quick-facts span { color: var(--muted); font-size: 14px; }

.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 86px 0;
}
.two-column {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
  gap: 46px;
  align-items: center;
}
h2 {
  margin: 0 0 18px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: 0;
}
h1, h2, h3 { overflow-wrap: break-word; }
h3 { margin: 0 0 8px; font-size: 20px; }
.section-text p, .section-heading p, .contact-section p { color: var(--muted); margin: 0 0 16px; }
.check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 24px;
}
.check-list span {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 12px 14px;
  font-weight: 700;
}
.image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.image-pair img {
  height: 430px;
  width: 100%;
  object-fit: cover;
}
.image-pair img:first-child { margin-top: 32px; }

.section-heading { text-align: center; max-width: 790px; margin: 0 auto 34px; }
.section-heading.left { text-align: left; margin-left: 0; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.product-card, .application-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(23,32,43,.06);
}
.product-card img { height: 180px; width: 100%; object-fit: cover; }
.product-card div, .application-grid article { padding: 16px; }
.product-card p, .application-grid p { color: var(--muted); margin: 0; font-size: 14px; }

.specs-band {
  width: 100%;
  background: var(--dark);
  color: var(--white);
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 40px;
}
.specs-band .section-heading { margin-bottom: 0; }
.spec-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.16);
}
.spec-table div { background: var(--dark); padding: 18px; }
.spec-table span { display: block; color: #aebdcc; font-size: 13px; margin-bottom: 6px; }
.spec-table strong { font-size: 16px; }

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.application-grid img { height: 240px; width: 100%; object-fit: cover; margin: -16px -16px 16px; max-width: calc(100% + 32px); }

.process {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 42px;
  align-items: start;
}
.steps { display: grid; gap: 12px; }
.steps div {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 18px;
}
.steps strong { color: var(--gold); font-size: 26px; }
.steps span { color: #314154; font-weight: 700; }

.contact-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto 86px;
  background: var(--blue);
  color: var(--white);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 36px;
  align-items: center;
}
.contact-section p { color: #dbe8f4; }
.contact-card {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 22px;
  display: grid;
  gap: 10px;
}
.contact-card a:not(.primary-btn), .contact-card span { color: #263444; font-weight: 700; overflow-wrap: anywhere; }
.contact-card .primary-btn { margin-top: 8px; }

.footer {
  background: #17202b;
  color: #b5c1cf;
  min-height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 14px;
}

.whatsapp-float {
  position: fixed;
  right: 16px;
  top: 50%;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 8px 14px 8px 10px;
  background: #25d366;
  color: #fff;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 999px;
  box-shadow: 0 12px 26px rgba(23, 32, 43, .20);
  font-weight: 800;
  animation: whatsapp-pulse 1.9s ease-in-out infinite;
}
.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
  flex: 0 0 auto;
}
.whatsapp-float span {
  display: grid;
  gap: 1px;
  line-height: 1.05;
}
.whatsapp-float strong {
  display: block;
  font-size: 14px;
}
.whatsapp-float small {
  display: block;
  font-size: 12px;
  font-weight: 800;
}
.whatsapp-float:hover {
  background: #1ebe5d;
  animation-play-state: paused;
  transform: translateY(-50%) scale(1.08);
}
@keyframes whatsapp-pulse {
  0%, 100% { transform: translateY(-50%) scale(1); }
  50% { transform: translateY(-50%) scale(1.12); }
}

.page-hero {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 78px 0 58px;
}
.page-hero.compact { padding-bottom: 34px; }
.page-hero h1 {
  margin: 0 0 18px;
  max-width: 920px;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1.03;
  letter-spacing: 0;
}
.page-hero p:not(.eyebrow) {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
}
.page-split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr);
  gap: 38px;
  align-items: center;
  padding-top: 38px;
}
.page-image {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.check-list.wide { grid-template-columns: 1fr; }
.info-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding-top: 0;
}
.info-blocks article, .buyer-note, .contact-big-card, .request-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(23,32,43,.06);
  padding: 24px;
}
.info-blocks strong {
  display: block;
  color: var(--blue);
  font-size: 20px;
  margin-bottom: 8px;
}
.info-blocks p { margin: 0; color: var(--muted); }

.product-detail-grid {
  display: grid;
  gap: 16px;
  padding-top: 20px;
}
.product-detail-grid article {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 22px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(23,32,43,.06);
  padding: 18px;
}
.product-detail-grid img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}
.product-detail-grid h2 { font-size: 28px; margin-bottom: 10px; }
.product-detail-grid p { margin: 0 0 12px; color: var(--muted); }
.product-detail-grid ul, .request-card ul {
  margin: 0;
  padding-left: 20px;
  color: #334255;
}
.product-detail-grid li, .request-card li { margin: 6px 0; }

.application-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 20px;
}
.application-detail-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(23,32,43,.06);
  padding: 18px;
}
.application-detail-grid img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  margin-bottom: 18px;
}
.application-detail-grid h2 { font-size: 25px; margin-bottom: 10px; }
.application-detail-grid p { color: var(--muted); margin: 0 0 14px; }
.application-detail-grid span {
  display: block;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--blue);
  font-weight: 800;
}

.process-page {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding-top: 20px;
}
.order-step {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(23,32,43,.06);
  padding: 22px;
}
.order-step strong {
  display: block;
  color: var(--gold);
  font-size: 30px;
  margin-bottom: 14px;
}
.order-step h2 { font-size: 23px; margin-bottom: 10px; }
.order-step p { margin: 0; color: var(--muted); }
.buyer-note {
  margin-top: 0;
  display: grid;
  gap: 14px;
}
.buyer-note p {
  max-width: 920px;
  margin: 0;
  color: #334255;
  font-size: 18px;
}
.buyer-note .primary-btn { width: fit-content; }

.contact-hero {
  background: var(--dark);
  color: var(--white);
  width: 100%;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
}
.contact-hero p:not(.eyebrow) { color: #c6d4e3; }
.contact-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 16px;
  align-items: start;
}
.contact-big-card h2, .request-card h2 { font-size: 28px; }
.contact-big-card dl {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 14px;
  margin: 0;
}
.contact-big-card dt {
  color: var(--muted);
  font-weight: 700;
}
.contact-big-card dd {
  margin: 0;
  color: #263444;
  font-weight: 800;
  overflow-wrap: anywhere;
}
.request-card {
  display: grid;
  gap: 16px;
}
.request-card .primary-btn { width: fit-content; }

@media (max-width: 1040px) {
  .nav-bar { flex-wrap: wrap; padding: 14px 20px; gap: 14px; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .quick-facts, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .two-column, .specs-band, .process, .contact-section, .page-split, .contact-layout { grid-template-columns: 1fr; }
  .process-page, .application-detail-grid, .info-blocks { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .contact-strip { height: auto; padding: 8px 14px; flex-direction: column; gap: 4px; }
  .nav-bar { padding: 12px 16px; }
  .logo { min-width: 0; }
  .nav-cta { width: 100%; }
  .main-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }
  .main-nav a {
    background: #f4f7fa;
    border: 1px solid var(--line);
    text-align: center;
    padding: 10px 8px;
    min-height: 42px;
  }
  .hero-inner, .section, .quick-facts, .contact-section, .page-hero { width: calc(100% - 28px); }
  .quick-facts, .product-grid, .application-grid, .check-list, .spec-table, .process-page, .application-detail-grid, .info-blocks { grid-template-columns: 1fr; }
  .product-detail-grid article { grid-template-columns: 1fr; }
  .product-detail-grid img, .application-detail-grid img, .page-image { height: 240px; }
  .page-hero h1 { font-size: clamp(31px, 9vw, 42px); }
  .page-hero p:not(.eyebrow) { font-size: 17px; }
  .whatsapp-float {
    right: 10px;
    min-height: 48px;
    padding: 7px 10px 7px 8px;
  }
  .whatsapp-float svg { width: 28px; height: 28px; }
  .whatsapp-float strong { font-size: 12px; }
  .whatsapp-float small { font-size: 11px; }
  .contact-big-card dl { grid-template-columns: 1fr; gap: 6px; }
  .quick-facts div { border-right: 0; border-bottom: 1px solid var(--line); }
  .image-pair { grid-template-columns: 1fr; }
  .image-pair img { height: 260px; margin-top: 0 !important; }
  .section { padding: 58px 0; }
  .contact-section { padding: 24px; margin-bottom: 58px; }
}