/* ====== RESET & TOKENS ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0b1226;        /* azul marino base */
  --black-2: #0f1830;
  --black-3: #15203f;
  --line: #2a3656;
  --white: #ffffff;
  --muted: #aab6d4;        /* azul grisáceo claro */
  --muted-2: #6f7da0;
  --accent: #ffd23f;       /* amarillo acento */
  --steel: #cfd8ec;
  --radius: 14px;
  --maxw: 1180px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

h1, h2, h3, h4, .logo__text, .stat__num, .step__num {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  letter-spacing: .5px;
  line-height: 1.05;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.accent { color: var(--accent); position: relative; }

/* ====== BUTTONS ====== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: 15px 30px; border-radius: 100px;
  font-family: 'Oswald', sans-serif; font-weight: 500; font-size: .95rem;
  letter-spacing: 1px; text-transform: uppercase; cursor: pointer;
  border: 1px solid transparent; transition: all .35s var(--ease);
}
.btn--primary { background: var(--accent); color: #0b1226; }
.btn--primary:hover { background: #ffdf6b; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--white); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,.05); }
.btn--block { width: 100%; }

/* ====== HEADER / NAV ====== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(9,14,32,0);
  transition: background .4s var(--ease), border-color .4s var(--ease), padding .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(9,14,32,.88);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 20px; padding-bottom: 20px; }
.header.is-scrolled .nav { padding-top: 14px; padding-bottom: 14px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  display: grid; place-items: center; width: 38px; height: 38px;
  background: var(--accent); color: #0b1226;
  font-family: 'Oswald', sans-serif; font-weight: 700; font-size: 1.3rem;
  border-radius: 9px;
}
.logo__text { font-size: 1.25rem; letter-spacing: 2px; font-weight: 500; }
.logo__text strong { font-weight: 700; }

.nav__menu { display: flex; align-items: center; gap: 34px; }
.nav__menu a {
  font-size: .9rem; font-weight: 500; color: var(--muted);
  letter-spacing: .3px; transition: color .25s;
}
.nav__menu a:hover { color: var(--white); }
.nav__cta {
  padding: 10px 22px; border: 1px solid var(--line); border-radius: 100px;
  color: var(--white) !important; font-family: 'Oswald', sans-serif;
  text-transform: uppercase; letter-spacing: 1px; font-size: .82rem;
  transition: all .3s var(--ease);
}
.nav__cta:hover { background: var(--white); color: var(--black) !important; border-color: var(--white); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav__toggle span { width: 26px; height: 2px; background: var(--white); transition: .3s var(--ease); }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ====== HERO ====== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 140px 0 80px; overflow: hidden;
  background: radial-gradient(900px 500px at 70% 0%, #1c2a4f 0%, var(--black) 60%);
}
.hero__video {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover;
  pointer-events: none;
}
.hero__overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(11,18,38,.92) 0%, rgba(11,18,38,.72) 50%, rgba(11,18,38,.55) 100%),
    linear-gradient(0deg, rgba(11,18,38,.85) 0%, rgba(11,18,38,.2) 45%);
}
.hero__grid {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 70% 20%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 70% 20%, #000 0%, transparent 70%);
}
.hero__inner { position: relative; z-index: 2; max-width: 820px; }
.hero__eyebrow {
  display: inline-block; font-family: 'Oswald', sans-serif; text-transform: uppercase;
  letter-spacing: 3px; font-size: .8rem; color: var(--muted);
  padding-bottom: 22px;
}
.hero__title { font-size: clamp(2.6rem, 7vw, 5.4rem); font-weight: 700; letter-spacing: 1px; }
.hero__lead { margin-top: 26px; font-size: clamp(1rem, 2vw, 1.18rem); color: var(--muted); max-width: 600px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }
.hero__stats { display: flex; flex-wrap: wrap; gap: 48px; margin-top: 64px; }
.stat { display: flex; flex-direction: column; }
.stat__num { font-size: 2.4rem; font-weight: 700; }
.stat__label { font-size: .82rem; color: var(--muted-2); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 4px; }
.hero__scroll {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  font-size: 1.4rem; color: var(--muted); z-index: 2; animation: bob 2s infinite;
}
@keyframes bob { 0%,100%{ transform: translate(-50%,0); } 50%{ transform: translate(-50%,8px); } }

/* ====== SECTIONS ====== */
.section { padding: 110px 0; }
.section--dark { background: var(--black-2); }
.section--cta { background: linear-gradient(180deg, var(--black-2), var(--black)); }
.section__head { max-width: 640px; margin: 0 auto 64px; text-align: center; }
.section__super {
  font-family: 'Oswald', sans-serif; font-weight: 700;
  font-size: clamp(2.8rem, 7vw, 5rem); letter-spacing: 2px;
  line-height: 1; margin-bottom: 18px; text-transform: uppercase;
}
.section__eyebrow {
  font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 3px;
  font-size: .8rem; color: var(--muted-2);
}
.section__title { font-size: clamp(2rem, 5vw, 3.2rem); margin-top: 12px; }
.section__sub { margin-top: 18px; color: var(--muted); font-size: 1.05rem; }

/* ====== CARDS DE SUBCATEGORÍA (overview cerramientos) ====== */
.cat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--black-3); border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.cat-card:hover { transform: translateY(-6px); border-color: #41507a; }
.cat-card__media {
  aspect-ratio: 16 / 11; display: grid; place-items: center; position: relative; overflow: hidden;
  background-color: #15203f;
  background-image: repeating-linear-gradient(45deg, #15203f 0 18px, #1b2747 18px 36px);
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.cat-card__media[data-placeholder]::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase;
  font-size: .82rem; padding: 0 20px; text-align: center;
}
.cat-card__body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.cat-card__tag {
  font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 2px;
  font-size: .72rem; color: var(--muted-2);
}
.cat-card__body h3 { font-size: 1.5rem; margin-top: 6px; }
.cat-card__list { margin: 18px 0 26px; display: grid; gap: 10px; }
.cat-card__list li {
  padding-left: 22px; position: relative; color: var(--steel); font-size: .95rem;
}
.cat-card__list li::before { content: "▹"; position: absolute; left: 0; color: var(--white); }
.cat-card__btn { margin-top: auto; align-self: flex-start; }

/* ====== TIPOS DE PORTÓN ====== */
.types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 24px; }
.type-card {
  background: var(--black-3); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.type-card:hover { transform: translateY(-6px); border-color: #41507a; }
.type-card__media {
  aspect-ratio: 16 / 10; position: relative;
  background:
    repeating-linear-gradient(45deg, #15203f 0 18px, #1b2747 18px 36px);
  display: grid; place-items: center;
}
.type-card__media:not(.slider)::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase;
  font-size: .85rem; padding: 0 20px; text-align: center;
}
.type-card__body { padding: 28px; }

/* ====== SLIDER DE IMÁGENES EN CARDS ====== */
.slider { position: relative; overflow: hidden; }
.slider__track { position: absolute; inset: 0; display: flex; transition: transform .55s var(--ease); }
.slide {
  flex: 0 0 100%; min-width: 100%; height: 100%; position: relative;
  background-color: #15203f;
  background-image: repeating-linear-gradient(45deg, #15203f 0 18px, #1b2747 18px 36px);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  display: grid; place-items: center;
}
.slide[data-placeholder]::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase;
  font-size: .8rem; padding: 0 16px; text-align: center;
}
.slider__btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 38px; height: 38px; display: grid; place-items: center;
  background: rgba(9,14,32,.6); color: var(--white); border: 1px solid var(--line);
  border-radius: 50%; cursor: pointer; font-size: 1.4rem; line-height: 1;
  opacity: 0; transition: opacity .3s var(--ease), background .3s, color .3s;
}
.slider:hover .slider__btn { opacity: 1; }
.slider__btn:hover { background: var(--white); color: var(--black); }
.slider__btn--prev { left: 12px; }
.slider__btn--next { right: 12px; }
.slider__dots {
  position: absolute; bottom: 12px; left: 0; right: 0; z-index: 3;
  display: flex; justify-content: center; gap: 8px;
}
.slider__dot {
  width: 8px; height: 8px; border-radius: 50%; cursor: pointer; padding: 0; border: 0;
  background: rgba(255,255,255,.4); transition: background .3s, transform .3s;
}
.slider__dot.is-active { background: var(--white); transform: scale(1.25); }

/* ====== LIGHTBOX / ZOOM ====== */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center;
  background: rgba(6, 10, 22, .95); padding: 24px;
}
.lightbox.is-open { display: flex; }
.lightbox__img {
  max-width: 92vw; max-height: 88vh; object-fit: contain;
  border-radius: 8px; cursor: zoom-in; user-select: none;
  transition: transform .3s var(--ease);
}
.lightbox__img.is-zoomed { transform: scale(2); cursor: zoom-out; }
.lightbox__close, .lightbox__nav {
  position: absolute; z-index: 2; cursor: pointer; color: #fff;
  background: rgba(255, 255, 255, .1); border: 1px solid var(--line);
  display: grid; place-items: center; line-height: 1;
  transition: background .3s, color .3s;
}
.lightbox__close:hover, .lightbox__nav:hover { background: #fff; color: #000; }
.lightbox__close { top: 20px; right: 24px; width: 46px; height: 46px; border-radius: 50%; font-size: 1.6rem; }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 50px; height: 50px; border-radius: 50%; font-size: 1.9rem; }
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }
@media (max-width: 600px) {
  .lightbox__nav { width: 42px; height: 42px; }
  .lightbox__prev { left: 10px; }
  .lightbox__next { right: 10px; }
}
.type-card__body h3 { font-size: 1.5rem; }
.type-card__body p { margin-top: 12px; color: var(--muted); }

/* ====== LÍNEAS (variante secundaria, menor jerarquía) ====== */
.lines__intro {
  text-align: center; color: var(--muted-2); font-size: .9rem;
  text-transform: uppercase; letter-spacing: 1.5px; font-family: 'Oswald', sans-serif;
  margin: 8px 0 18px;
}
.lines { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.line-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px;
  background: var(--black);
  transition: border-color .35s var(--ease);
}
.line-card:hover { border-color: #41507a; }
.line-card__tag {
  display: inline-block; font-family: 'Oswald', sans-serif; text-transform: uppercase;
  letter-spacing: 1.5px; font-size: .68rem; color: var(--muted);
  background: transparent; border: 1px solid var(--line);
  padding: 4px 11px; border-radius: 100px;
}
.line-card h4 { font-size: 1.05rem; margin-top: 14px; color: var(--white); }
.line-card > p { color: var(--muted); margin-top: 8px; font-size: .9rem; }

/* ====== PRODUCTOS ====== */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 34px;
  background: var(--black); transition: transform .4s var(--ease), background .4s var(--ease), border-color .4s;
}
.product:hover { transform: translateY(-6px); background: var(--black-3); border-color: #41507a; }
.product__icon {
  width: 56px; height: 56px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 12px; font-size: 1.4rem; color: var(--white);
  margin-bottom: 22px;
}
.product h3 { font-size: 1.35rem; }
.product p { margin-top: 10px; color: var(--muted); font-size: .96rem; }
.product--soon { border-style: dashed; opacity: .8; }

/* Desplegable de imagen */
.product__toggle {
  margin-top: 18px; background: none; cursor: pointer;
  border: 1px solid var(--line); border-radius: 100px; color: var(--muted);
  font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 1px;
  font-size: .76rem; padding: 8px 16px; display: inline-flex; align-items: center; gap: 8px;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.product__toggle:hover { border-color: var(--accent); color: var(--accent); }
.product__toggle span { font-size: 1.1rem; line-height: 1; transition: transform .3s var(--ease); }
.product.is-open .product__toggle span { transform: rotate(45deg); }
.product__reveal {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .45s var(--ease);
}
.product.is-open .product__reveal { grid-template-rows: 1fr; }
.product__reveal-inner { overflow: hidden; }
.product__media {
  margin-top: 16px; aspect-ratio: 16 / 10; border-radius: 10px; border: 1px solid var(--line);
  background-color: #15203f;
  background-image: repeating-linear-gradient(45deg, #15203f 0 18px, #1b2747 18px 36px);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  display: grid; place-items: center; overflow: hidden;
}
.product__media[data-placeholder]::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase; font-size: .78rem;
}

/* ====== PROCESO ====== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
  border-top: 2px solid var(--line); padding-top: 24px;
  transition: border-color .4s var(--ease);
}
.step:hover { border-color: var(--white); }
.step__num { display: block; font-size: 2.4rem; color: var(--muted-2); font-weight: 700; }
.step h3 { font-size: 1.25rem; margin-top: 14px; }
.step p { color: var(--muted); margin-top: 10px; font-size: .95rem; }

/* ====== NOSOTROS ====== */
.nosotros { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.nosotros__media {
  aspect-ratio: 4 / 5; border-radius: var(--radius); border: 1px solid var(--line);
  background: repeating-linear-gradient(135deg, #131d3a 0 22px, #1a2746 22px 44px);
  display: grid; place-items: center; position: relative;
}
.nosotros__media::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase; font-size: .85rem;
}
.nosotros__text .section__title { margin-top: 12px; }
.nosotros__text p { color: var(--muted); margin-top: 18px; }
.features { margin-top: 28px; display: grid; gap: 14px; }
.features li { padding-left: 24px; position: relative; color: var(--steel); }
.features li::before { content: "—"; position: absolute; left: 0; color: var(--white); }
.features strong { color: var(--white); }

/* ====== CERRAMIENTOS EN CHAPA (destacado) ====== */
.chapa { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.chapa__title { font-size: clamp(2rem, 5vw, 3.2rem); margin-top: 12px; }
.chapa__lead { color: var(--muted); margin-top: 18px; font-size: 1.05rem; }
.chapa .features { margin-bottom: 34px; }
.chapa__media {
  aspect-ratio: 4 / 3; border-radius: var(--radius); border: 1px solid var(--line);
  background: repeating-linear-gradient(135deg, #131d3a 0 22px, #1a2746 22px 44px);
  display: grid; place-items: center; position: relative;
}
.chapa__media::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase; font-size: .85rem;
}

/* ====== PEATONAL (título → texto izq / imagen der; en mobile imagen bajo el título) ====== */
.peatonal {
  display: grid; gap: 24px 56px; align-items: start;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "head  media"
    "body  media";
}
.peatonal__head { grid-area: head; }
.peatonal__body { grid-area: body; }
.peatonal__media {
  grid-area: media; align-self: center;
  aspect-ratio: 3 / 4; border-radius: var(--radius); border: 1px solid var(--line);
  background-color: #15203f;
  background-image: repeating-linear-gradient(135deg, #131d3a 0 22px, #1a2746 22px 44px);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.peatonal__media::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase; font-size: .85rem;
}
.peatonal .features { margin-bottom: 34px; }

/* ====== CTA / FORM ====== */
.cta { max-width: 720px; margin: 0 auto; text-align: center; }
.cta__title { font-size: clamp(2rem, 5vw, 3.2rem); }
.cta__sub { color: var(--muted); margin-top: 14px; }
.form { margin-top: 40px; display: grid; gap: 16px; text-align: left; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form input, .form select, .form textarea {
  width: 100%; padding: 15px 18px; background: var(--black-3);
  border: 1px solid var(--line); border-radius: 10px; color: var(--white);
  font-family: 'Inter', sans-serif; font-size: .98rem; transition: border-color .3s;
}
.form input::placeholder, .form textarea::placeholder { color: var(--muted-2); }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--white); }
.form select { appearance: none; cursor: pointer; }
.form select option { background: var(--black-2); }
.cta__contacts { margin-top: 48px; display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.cta__contact {
  flex: 1; min-width: 180px; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; text-align: center; transition: border-color .3s, transform .3s var(--ease);
}
.cta__contact:hover { border-color: var(--white); transform: translateY(-3px); }
.cta__contact span {
  display: block; font-family: 'Oswald', sans-serif; text-transform: uppercase;
  letter-spacing: 2px; font-size: .72rem; color: var(--muted-2); margin-bottom: 8px;
}

/* ====== FOOTER ====== */
.footer { background: var(--black-2); border-top: 1px solid var(--line); padding-top: 64px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 48px; padding-bottom: 48px; }
.footer__brand p { color: var(--muted-2); margin-top: 16px; max-width: 320px; font-size: .92rem; }
.footer__cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.footer__cols h4 {
  font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 1.5px;
  font-size: .85rem; margin-bottom: 16px;
}
.footer__cols a { color: var(--muted); font-size: .92rem; transition: color .25s; }
.footer__cols > div > a { display: block; padding: 5px 0; }
.footer__cols a:hover { color: var(--white); }
.footer__social { display: flex; gap: 12px; margin-top: 4px; }
.social-icon {
  width: 42px; height: 42px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px; color: var(--muted);
  transition: color .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.social-icon:hover {
  color: var(--black); background: var(--white); border-color: var(--white);
  transform: translateY(-2px);
}
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding-top: 24px; padding-bottom: 28px; border-top: 1px solid var(--line);
  color: var(--muted-2); font-size: .82rem;
}

/* ====== WHATSAPP FLOAT ====== */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--white); color: var(--black);
  display: grid; place-items: center; box-shadow: 0 8px 30px rgba(0,0,0,.5);
  transition: transform .3s var(--ease);
}
.whatsapp-float:hover { transform: scale(1.08) translateY(-2px); }

/* ====== PÁGINAS DE DETALLE ====== */
.page-hero {
  padding: 150px 0 64px; position: relative;
  background: radial-gradient(800px 420px at 72% 0%, #1c2a4f 0%, var(--black) 60%);
  border-bottom: 1px solid var(--line);
}

/* Variante con imagen de fondo + overlay */
.page-hero--media {
  overflow: hidden;
  min-height: 58vh;
  display: grid; align-content: center;
}
.page-hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: var(--hero-bg, repeating-linear-gradient(135deg, #131d3a 0 24px, #1a2746 24px 48px));
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
/* Overlay oscuro semitransparente para legibilidad del texto */
.page-hero--media::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(9,14,32,.9) 0%, rgba(9,14,32,.65) 55%, rgba(9,14,32,.45) 100%);
}
.page-hero--media .container { position: relative; z-index: 2; }

.breadcrumb {
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px;
  font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 2px;
  font-size: .76rem; color: var(--muted-2);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--white); }
.page-hero__title { font-size: clamp(2.4rem, 6vw, 4rem); }
.page-hero__lead { color: var(--muted); margin-top: 18px; max-width: 640px; font-size: 1.08rem; }

.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.detail-grid .type-card__body { display: flex; flex-direction: column; flex: 1; }
.detail-grid .type-card { display: flex; flex-direction: column; }
.detail-grid .type-card__body .btn { margin-top: 22px; align-self: flex-start; }
.back-link {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 40px;
  font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 1px;
  font-size: .9rem; color: var(--muted); border-bottom: 1px solid var(--line);
  padding-bottom: 4px; transition: .3s var(--ease);
}
.back-link:hover { color: var(--white); border-color: var(--white); }

/* ====== SEGURIDAD — layout alternado izq/der ====== */
.features-list { display: grid; gap: 80px; }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature-row:nth-child(even) .feature-row__media { order: 2; }
.feature-row__media {
  aspect-ratio: 4 / 3; border-radius: var(--radius); border: 1px solid var(--line);
  background-color: #15203f;
  background-image: repeating-linear-gradient(135deg, #131d3a 0 22px, #1a2746 22px 44px);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.feature-row__media[data-placeholder]::after {
  content: attr(data-placeholder); color: var(--muted-2);
  font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase; font-size: .82rem;
}
.feature-row__tag {
  font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 2px;
  font-size: .72rem; color: var(--muted-2);
}
.feature-row__text h3 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); margin-top: 8px; }
.feature-row__text p { color: var(--muted); margin: 16px 0 28px; }

/* ====== REVEAL ANIMATION ====== */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ====== RESPONSIVE ====== */
@media (max-width: 920px) {
  .nav__menu {
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 28px;
    background: var(--black-2); border-left: 1px solid var(--line);
    padding: 40px; transform: translateX(100%); transition: transform .4s var(--ease);
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__menu a { font-size: 1.1rem; }
  .nav__toggle { display: flex; z-index: 110; }

  .footer__inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 760px) {
  .section { padding: 80px 0; }
  .types, .cat-cards, .lines, .nosotros, .chapa, .feature-row, .form__row { grid-template-columns: 1fr; }
  .feature-row:nth-child(even) .feature-row__media { order: 0; }
  .features-list { gap: 52px; }
  .peatonal {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "media"
      "body";
    gap: 22px;
  }
  .products { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .hero__stats { gap: 28px; }
  .stat__num { font-size: 1.9rem; }
  .nosotros { gap: 32px; }
}

@media (max-width: 460px) {
  .products, .steps { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .cta__contacts { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}