:root {
  --navy: #142848;
  --navy-deep: #0b1628;
  --navy-mid: #1a3a6b;
  --steel: #5b6b7c;
  --smoke: #f4f6f8;
  --white: #ffffff;
  --ink: #121820;
  --line: #d8dee6;
  --accent: #c45c26;
  --accent-hover: #a64b1d;
  --ok: #1f7a4c;
  --radius: 4px;
  --max: 1120px;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --shadow: 0 12px 40px rgba(11, 22, 40, 0.18);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--smoke);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.preheader {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--accent);
  margin: 0 0 0.6rem;
}
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin: 0 0 0.75rem;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); text-transform: uppercase; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); text-transform: uppercase; }
h3 { font-size: 1.35rem; text-transform: uppercase; }
p { margin: 0 0 1rem; color: var(--steel); }
.lead { font-size: 1.15rem; max-width: 42rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.btn:hover { background: var(--accent-hover); }
.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.45);
}
.btn--ghost:hover { background: rgba(255,255,255,0.08); }
.btn--dark { background: var(--navy); }
.btn--dark:hover { background: var(--navy-mid); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 22, 40, 0.92);
  backdrop-filter: blur(10px);
  color: var(--white);
  transition: box-shadow 0.2s ease;
}
.nav.is-scrolled { box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.nav__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav__brand { display: flex; align-items: center; }
.nav__logo { height: 36px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 1.25rem; }
.nav__links a {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
  opacity: 0.88;
}
.nav__links a:hover, .nav__links a.is-active { opacity: 1; color: #fff; }
.nav__actions { display: flex; align-items: center; gap: 0.75rem; }
.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid rgba(255,255,255,0.25);
  background: transparent;
  border-radius: var(--radius);
  padding: 10px;
  flex-direction: column;
  justify-content: space-between;
}
.nav__toggle span { display: block; height: 2px; background: #fff; }

@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    inset: 72px 0 auto;
    background: var(--navy-deep);
    flex-direction: column;
    padding: 1rem 1.25rem 1.5rem;
    align-items: flex-start;
  }
  .nav.is-open .nav__links { display: flex; }
  .nav__actions .btn--nav { display: none; }
}

.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
  background: var(--navy-deep);
}
.hero__media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11,22,40,0.35) 0%, rgba(11,22,40,0.78) 55%, rgba(11,22,40,0.95) 100%),
    url("/assets/hero-chains.jpg") center/cover no-repeat;
  transform: scale(1.02);
  animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
.hero__content {
  position: relative;
  z-index: 1;
  padding: 7rem 0 4.5rem;
}
.hero__brand {
  height: clamp(48px, 8vw, 72px);
  width: auto;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.15s forwards;
}
.hero h1 {
  max-width: 14ch;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.28s forwards;
}
.hero__text {
  color: rgba(255,255,255,0.82);
  font-size: 1.15rem;
  max-width: 36rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}
.hero .btn-row { opacity: 0; animation: fadeUp 0.8s ease 0.52s forwards; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.section { padding: 4.5rem 0; }
.section--dark { background: var(--navy); color: #fff; }
.section--dark p { color: rgba(255,255,255,0.75); }
.section--white { background: var(--white); }
.section__head { margin-bottom: 2rem; max-width: 40rem; }

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.value {
  padding: 1.5rem 0;
  border-top: 2px solid var(--accent);
}
.value h3 { margin-bottom: 0.4rem; }
@media (max-width: 800px) {
  .values { grid-template-columns: 1fr; }
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 960px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .catalog-grid { grid-template-columns: 1fr; }
}
.cat-tile {
  position: relative;
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--navy-deep);
  color: #fff;
}
.cat-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
  opacity: 0.75;
}
.cat-tile:hover img { transform: scale(1.05); }
.cat-tile__label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.9rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.82));
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brands {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--white);
  padding: 1.75rem 0;
}
/* Soft white fades so logos don't look hard-clipped at edges */
.brands::before,
.brands::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(4.5rem, 12vw);
  z-index: 2;
  pointer-events: none;
}
.brands::before {
  left: 0;
  background: linear-gradient(90deg, var(--white) 0%, transparent 100%);
}
.brands::after {
  right: 0;
  background: linear-gradient(270deg, var(--white) 0%, transparent 100%);
}
.brands__viewport {
  overflow: hidden;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.brands__viewport.is-dragging {
  cursor: grabbing;
}
.brands__track {
  display: flex;
  width: max-content;
  align-items: center;
  will-change: transform;
}
.brands__set {
  display: flex;
  align-items: center;
  gap: 3.75rem;
  padding-inline: 1.875rem;
  flex-shrink: 0;
}
.brands__logo {
  display: block;
  height: 40px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  object-position: center;
  flex-shrink: 0;
  opacity: 0.95;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.brands__viewport:not(.is-dragging) .brands__logo:hover {
  opacity: 1;
  transform: translateY(-1px);
}
@media (max-width: 720px) {
  .brands__set { gap: 2.75rem; padding-inline: 1.35rem; }
  .brands__logo { height: 32px; max-width: 140px; }
  .brands::before,
  .brands::after { width: min(2.75rem, 14vw); }
}

.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 3.5rem 0 2.5rem;
}
.page-hero p { color: rgba(255,255,255,0.78); }
.breadcrumb {
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
  opacity: 0.75;
}
.breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }

.family-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 860px) {
  .family-layout { grid-template-columns: 1fr; }
}
.family-media {
  background: #e9eef3;
  overflow: hidden;
}
.family-media img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.check-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}
.check-list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
  color: var(--steel);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 0.55rem; height: 0.55rem;
  background: var(--accent);
}

.subtypes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
@media (max-width: 640px) { .subtypes { grid-template-columns: 1fr; } }
.subtype {
  padding: 1.25rem;
  background: var(--smoke);
  border-left: 3px solid var(--navy-mid);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.form {
  display: grid;
  gap: 0.9rem;
  background: var(--white);
  padding: 1.5rem;
  border: 1px solid var(--line);
  position: relative;
}
.form label { display: grid; gap: 0.35rem; font-weight: 600; font-size: 0.95rem; }
.form input, .form select, .form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
  background: #fff;
}
.form textarea { min-height: 120px; resize: vertical; }
.form-honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-human { display: flex !important; align-items: center; gap: 0.55rem; font-weight: 500 !important; }
.form-status { margin: 0; font-weight: 700; color: var(--ok); }
.form-status.is-error { color: #b42318; }
.channel-list { display: grid; gap: 0.75rem; }
.channel-list__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  width: 100%;
  text-align: left;
  cursor: pointer;
  color: inherit;
}
.channel-list__item .channel-btn {
  pointer-events: none;
}
.channel-btn {
  width: 42px;
  height: 42px;
  min-width: 42px;
  min-height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 0;
  padding: 0;
  line-height: 0;
  flex-shrink: 0;
  overflow: hidden;
  vertical-align: middle;
}
.channel-btn svg {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
}
.channel-btn--whatsapp { background: #25d366; }
.channel-btn--mail { background: var(--navy-mid); }
.channel-btn--linkedin { background: #0a66c2; }
.channel-btn--instagram {
  background: radial-gradient(circle at 30% 110%, #fdf497, #fd5949 45%, #d6249f 60%, #285aeb 90%);
}

.footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.8);
  padding: 3rem 0 0;
}
.footer__inner {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 800px) {
  .footer__inner { grid-template-columns: 1fr; }
}
.footer__logo { height: 40px; width: auto; margin-bottom: 0.85rem; }
.footer h4 {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 0.75rem;
}
.footer a { display: block; margin-bottom: 0.4rem; opacity: 0.85; }
.footer a:hover { opacity: 1; }
.footer__socials {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1rem;
}
.footer__socials .channel-btn,
.footer a.channel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  opacity: 1;
  line-height: 0;
}
.powered-by {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.85rem 1.25rem;
  width: 100%;
  background: #fff;
  border-top: 1px solid rgba(20, 40, 72, 0.08);
}
.powered-by a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.9;
  margin: 0;
}
.powered-by a:hover { opacity: 1; }
.powered-by__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(20, 40, 72, 0.65);
}
.powered-by__logo {
  height: 20px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
}
.footer__copy {
  width: min(100% - 2.5rem, var(--max));
  margin: 2rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.9rem;
  opacity: 0.7;
}

.whatsapp {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 60;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
}
.whatsapp svg { width: 28px; height: 28px; }

.info-mail {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: calc(100% - 2rem);
}
.info-mail::backdrop { background: rgba(11,22,40,0.65); }
.info-mail__card {
  width: min(420px, 100%);
  background: #fff;
  padding: 1.35rem;
  border-radius: var(--radius);
}
.info-mail__head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.info-mail__close { border: 0; background: transparent; font-size: 1.5rem; cursor: pointer; }
.info-mail__form { display: grid; gap: 0.75rem; }
.info-mail__actions { display: flex; gap: 0.5rem; justify-content: flex-end; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

.prose { max-width: 68ch; }
.prose h2 { margin-top: 2rem; }