/* ESTILOS SOLO DE LA LANDING INSTITUCIONAL */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding-block: 1.3rem; color: #fff;
  transition: background .4s, padding .4s, box-shadow .4s;
}
.site-header.is-solid { background: rgba(48,45,45,.94); backdrop-filter: blur(10px); padding-block: .8rem; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.logo img { height: 64px; width: auto; transition: height .4s; }
.site-header.is-solid .logo img { height: 48px; }
.footer-logo { height: 56px; width: auto; }
.nav { display: flex; gap: 2rem; align-items: center; font-size: .9rem; }
.nav a:not(.btn) { opacity: .85; transition: opacity .3s; }
.nav a:not(.btn):hover { opacity: 1; }
.nav .btn { padding: .65rem 1.4rem; }

/* HERO */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: -5% 0; border-radius: 0; z-index: 0; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(48,45,45,.88), rgba(48,45,45,.35)); }
.hero .container { position: relative; z-index: 2; padding-top: 6rem; }
.hero h1 { max-width: 16ch; margin-bottom: 1.5rem; }
.hero h1 em { font-style: normal; color: var(--color-primary); }
.hero .lead { margin-bottom: 2.5rem; opacity: .9; }
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.scroll-hint { position: absolute; bottom: 2rem; left: 50%; z-index: 2; width: 1px; height: 60px;
  background: linear-gradient(#fff, transparent); animation: hint 2s ease-in-out infinite; }
@keyframes hint { 0%,100% { transform: scaleY(.4); transform-origin: top; } 50% { transform: scaleY(1); } }

/* NÚMEROS */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat strong { display: block; font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 600; color: var(--color-primary); line-height: 1; }
.stat__label { font-style: normal; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; opacity: .8; }

/* SERVICIOS */
.section-head { max-width: 640px; margin-bottom: 3.5rem; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card { background: #fff; border-radius: 8px; overflow: hidden; display: flex; flex-direction: column;
  transition: transform .5s var(--ease-out), box-shadow .5s; }
.card:hover { transform: translateY(-8px); box-shadow: 0 24px 50px -20px rgba(48,45,45,.35); }
.card .ph { aspect-ratio: 4/3; border-radius: 0; }
.card__body { padding: 1.8rem; display: flex; flex-direction: column; gap: .8rem; flex: 1; }
.card__body p { font-size: .95rem; opacity: .8; flex: 1; }
.card__link { color: var(--color-primary); font-weight: 500; font-size: .9rem; }
.card__link::after { content: " →"; transition: margin .3s; }
.card:hover .card__link::after { margin-left: .4rem; }

/* NOSOTROS (split) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.split .ph { aspect-ratio: 4/5; }
.checks { list-style: none; padding: 0; margin-top: 2rem; display: grid; gap: 1rem; }
.checks li { padding-left: 2rem; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: .65em; width: 1rem; height: 1px; background: var(--color-primary); }
.checks b { font-weight: 600; }

/* PROCESO */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: s; }
.step { border-top: 1px solid rgba(241,241,244,.3); padding-top: 1.5rem; counter-increment: s; }
.step::before { content: "0" counter(s); font-family: var(--font-display); font-size: 2.2rem; color: var(--color-primary); }
.step h3 { margin: .6rem 0; }
.step p { font-size: .92rem; opacity: .8; }

/* OBRAS */
.gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.gallery .ph { min-height: 280px; }
.gallery .g1 { grid-column: span 7; min-height: 420px; }
.gallery .g2 { grid-column: span 5; }
.gallery .g3 { grid-column: span 4; }
.gallery .g4 { grid-column: span 4; }
.gallery .g5 { grid-column: span 4; }

/* TESTIMONIOS */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.quote { background: #fff; padding: 2rem; border-radius: 8px; border-left: 3px solid var(--color-primary); }
.quote p { font-size: .98rem; margin-bottom: 1.2rem; }
.quote cite { font-style: normal; font-weight: 500; font-size: .85rem; }
.quote cite span { display: block; opacity: .6; font-weight: 300; }

/* CTA + FOOTER */
.cta { text-align: center; }
.cta h2 { max-width: 20ch; margin: 0 auto 1.2rem; }
.cta .lead { margin: 0 auto 2.2rem; }
.site-footer { background: var(--color-dark); color: rgba(241,241,244,.7); padding-block: 3rem; font-size: .85rem; }
.site-footer .container { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }

@media (max-width: 900px) {
  .stats, .steps { grid-template-columns: repeat(2, 1fr); }
  .cards, .quotes, .split { grid-template-columns: 1fr; }
  .gallery .g1, .gallery .g2, .gallery .g3, .gallery .g4, .gallery .g5 { grid-column: span 12; min-height: 240px; }
  .nav a:not(.btn) { display: none; }
}