:root {
  color-scheme: light;
  --ink: #111820;
  --muted: #5e6875;
  --soft: #f4f6f3;
  --panel: #ffffff;
  --line: #dce2e6;
  --deep: #102027;
  --gold: #efb451;
  --teal: #0b7f78;
  --blue: #315c88;
  --shadow: 0 24px 74px rgba(19, 31, 43, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: #fff;
  background: rgba(13, 25, 32, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: conic-gradient(from 90deg, var(--gold), var(--teal), var(--blue), var(--gold));
  box-shadow: 0 0 22px rgba(239, 180, 81, 0.5);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 5px;
  width: max-content;
  padding: 9px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 5px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  font-weight: 800;
}

.nav-toggle span {
  display: block;
  width: 15px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.nav-toggle strong {
  margin-left: 4px;
  font-size: 13px;
}

.nav {
  justify-self: center;
  display: flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
}

.nav-group {
  position: relative;
}

.nav-group::after {
  position: absolute;
  right: 0;
  bottom: -14px;
  left: 0;
  display: block;
  height: 14px;
  content: "";
}

.nav a {
  padding: 10px 12px;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.nav-trigger::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.nav a:hover,
.nav a[aria-current="page"],
.nav-group:focus-within > .nav-trigger,
.nav-group:hover > .nav-trigger {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.nav-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  z-index: 80;
  display: grid;
  min-width: 250px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(15, 29, 37, 0.98);
  box-shadow: 0 22px 45px rgba(3, 10, 14, 0.34);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
  visibility: hidden;
}

.nav-menu-wide {
  grid-template-columns: minmax(240px, 1fr) minmax(230px, 0.9fr);
  min-width: 560px;
  gap: 12px;
}

.nav-menu a {
  display: block;
  padding: 9px 10px;
  line-height: 1.25;
  white-space: nowrap;
}

.nav-column {
  display: grid;
  gap: 3px;
}

.nav-column strong,
.nav-feature span {
  display: block;
  padding: 8px 10px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav-feature {
  padding: 10px;
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(239, 180, 81, 0.18), rgba(11, 127, 120, 0.2)),
    rgba(255, 255, 255, 0.06);
}

.nav-feature p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.5;
}

.nav-feature a {
  margin-top: 10px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-group:focus-within .nav-menu,
.nav-group:hover .nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.header-cta,
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 44px;
  padding: 0 17px;
  border-radius: 5px;
  border: 1px solid transparent;
  font-weight: 800;
}

.header-cta,
.button.primary {
  color: #18140c;
  background: var(--gold);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.44);
  background: rgba(255, 255, 255, 0.1);
}

.button.outline {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.collection-hero {
  position: relative;
  min-height: 78vh;
  overflow: hidden;
  color: #fff;
  background: var(--deep);
}

.collection-hero img {
  position: absolute;
  inset: 0;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 16, 21, 0.94), rgba(7, 16, 21, 0.68) 46%, rgba(7, 16, 21, 0.18)),
    linear-gradient(180deg, rgba(7, 16, 21, 0.1), rgba(7, 16, 21, 0.58));
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  width: min(760px, calc(100% - 36px));
  min-height: 78vh;
  margin-left: clamp(18px, 6vw, 88px);
  padding: 70px 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.breadcrumbs span::after {
  content: "/";
  margin-left: 8px;
  color: rgba(255, 255, 255, 0.36);
}

.breadcrumbs span:last-child::after {
  content: "";
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
li {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: min(690px, 100%);
  margin-top: 42px;
}

.hero-stats div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.07);
}

.hero-stats strong {
  display: block;
  font-size: 19px;
}

.hero-stats span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
}

.section {
  padding: clamp(64px, 8vw, 104px) clamp(18px, 4vw, 54px);
}

.section.alt {
  background: #fff;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(230px, 0.72fr) minmax(280px, 1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  max-width: 1220px;
  margin: 0 auto 34px;
}

.section-head h2,
.guide h2,
.faq h2,
.related h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  max-width: 1220px;
  margin: 0 auto;
}

.tile,
.product-card,
.application-card,
.faq-item,
.related a {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  box-shadow: 0 12px 34px rgba(23, 36, 47, 0.06);
}

.tile {
  padding: 22px;
}

.tile span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.tile h3,
.product-card h3,
.application-card h3,
.faq-item h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.tile p,
.product-card p,
.application-card p,
.faq-item p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1220px;
  margin: 0 auto 26px;
}

.filters span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  font-size: 13px;
  font-weight: 750;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1220px;
  margin: 0 auto;
}

.product-card {
  overflow: hidden;
}

.product-card figure {
  margin: 0;
  aspect-ratio: 1.42;
  background: #dde4e7;
}

.product-copy {
  padding: 20px;
}

.specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.specs span {
  padding: 7px 9px;
  border-radius: 999px;
  color: #24414d;
  background: #eef4f2;
  font-size: 12px;
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 26px;
  align-items: stretch;
  max-width: 1220px;
  margin: 0 auto;
}

.image-panel {
  min-height: 420px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.guide {
  padding: clamp(28px, 4vw, 44px);
  border-radius: 8px;
  color: #fff;
  background: var(--deep);
}

.guide h2 {
  color: #fff;
}

.guide p {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.75;
}

.guide ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.guide li {
  padding: 14px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.08);
}

.application-grid,
.faq-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1220px;
  margin: 0 auto;
}

.application-card {
  padding: 24px;
}

.application-card a,
.tile a,
.product-card a {
  display: inline-flex;
  margin-top: 16px;
  color: var(--teal);
  font-weight: 850;
}

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

.faq-item {
  padding: 22px;
}

.related-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.related a {
  padding: 18px;
  font-weight: 850;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  max-width: 1220px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 52px);
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, #102027, #183946 55%, #0b7f78);
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.05;
}

.cta-band p {
  max-width: 760px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.65;
}

.whatsapp-cta {
  border-color: rgba(255, 255, 255, 0.24);
  color: #fff;
  background: #128c7e;
}

.floating-contact {
  position: fixed;
  right: clamp(14px, 2vw, 24px);
  bottom: clamp(14px, 2vw, 24px);
  z-index: 120;
  display: grid;
  gap: 8px;
}

.floating-contact a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 116px;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  font-weight: 850;
  box-shadow: 0 14px 34px rgba(9, 20, 26, 0.2);
}

.floating-email {
  background: var(--deep);
}

.floating-whatsapp {
  background: #128c7e;
}

.site-footer {
  padding: 36px clamp(18px, 4vw, 54px);
  color: rgba(255, 255, 255, 0.7);
  background: #0d1920;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, minmax(150px, 1fr));
  gap: 18px;
  max-width: 1220px;
  margin: 0 auto;
}

.footer-brand p {
  max-width: 340px;
  margin: 12px 0 0;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-links strong,
.footer-brand strong {
  color: #fff;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.footer-links a:hover {
  color: #fff;
}

.index-hero {
  min-height: 54vh;
}

.index-hero .hero-inner {
  min-height: 54vh;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .nav {
    grid-column: 1 / -1;
    justify-self: stretch;
    display: none;
    width: 100%;
    max-width: 100%;
    overflow: visible;
    flex-direction: column;
  }

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

  .nav-group::after {
    display: none;
  }

  .nav-menu,
  .nav-menu-wide {
    position: static;
    display: none;
    grid-template-columns: 1fr;
    min-width: 0;
    width: 100%;
    margin: 4px 0 8px;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    visibility: visible;
  }

  .nav-group:focus-within .nav-menu,
  .nav-group:hover .nav-menu {
    display: grid;
  }

  .header-cta {
    grid-column: 1 / -1;
    justify-self: stretch;
  }

  .section-head,
  .split,
  .cta-band {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .collection-hero,
  .hero-inner {
    min-height: 84vh;
  }

  .hero-stats,
  .tile-grid,
  .product-grid,
  .application-grid,
  .faq-grid,
  .related-grid,
  .footer-inner,
  .guide ul {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 42px;
  }

  .floating-contact {
    right: 10px;
    bottom: 10px;
    left: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .floating-contact a {
    min-width: 0;
  }
}
