:root { color-scheme: light; --ink: #092b48; --blue: #1167a2; --green: #2c8057; --paper: #f5f8f7; --line: #d7e2e7; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--site-header-height, 86px); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: 'DM Sans', sans-serif; }
a { color: inherit; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 10px 16px; color: #fff; background: var(--ink); border-radius: 6px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 86px; padding: 12px clamp(24px, 5vw, 84px); background: rgba(255, 255, 255, .94); border-bottom: 1px solid var(--line); box-shadow: 0 8px 20px rgba(0, 24, 42, .12); backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; min-width: 0; text-decoration: none; }
.brand img { display: block; width: clamp(210px, 21vw, 295px); height: auto; }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(14px, 2.3vw, 34px); }
.site-nav a { font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a[aria-current="page"] { color: var(--blue); text-decoration: underline; text-underline-offset: 6px; }
.detail-hero { position: relative; isolation: isolate; overflow: hidden; padding: clamp(64px, 9vw, 124px) clamp(24px, 7vw, 112px); color: #fff; background: var(--ink); }
.detail-hero::before { content: ''; position: absolute; z-index: -2; inset: 0; background: url('Fondo%205-fotor-ppt.png') center / cover no-repeat; }
.detail-hero::after { content: ''; position: absolute; z-index: -1; inset: 0; background: linear-gradient(110deg, rgba(5, 31, 54, .98), rgba(6, 48, 70, .9) 58%, rgba(44, 128, 87, .7)); }
.detail-hero-inner, .detail-content-inner { width: min(100%, 1180px); margin: 0 auto; }
.detail-number { display: inline-block; margin-bottom: 20px; color: #a8dfb5; font: 800 .78rem 'Manrope', sans-serif; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; font-family: 'Manrope', sans-serif; }
h1 { max-width: 960px; margin-bottom: 22px; font-size: clamp(2.35rem, 5.8vw, 5.2rem); line-height: 1; letter-spacing: -.052em; }
.detail-lead { max-width: 760px; margin: 0; color: rgba(255, 255, 255, .82); font-size: clamp(1.02rem, 1.7vw, 1.3rem); line-height: 1.7; }
.detail-content { min-height: 520px; padding: clamp(54px, 8vw, 104px) clamp(24px, 7vw, 112px); }
.breadcrumb { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 34px; color: var(--blue); font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.breadcrumb:hover, .breadcrumb:focus-visible { text-decoration: underline; text-underline-offset: 5px; }
.construction-card { display: grid; grid-template-columns: minmax(0, .9fr) minmax(300px, 1.1fr); align-items: center; gap: clamp(34px, 7vw, 90px); padding: clamp(30px, 5vw, 64px); border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 22px 60px rgba(9, 43, 72, .09); }
.construction-card img { display: block; width: 100%; max-width: 520px; height: auto; margin-inline: auto; }
.construction-copy .section-label, .project-kicker { display: block; margin-bottom: 14px; color: var(--green); font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.construction-copy h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.05; letter-spacing: -.04em; }
.construction-copy p { max-width: 600px; margin: 0; color: #486174; font-size: 1.05rem; line-height: 1.75; }
.project-card { overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 24px 70px rgba(9, 43, 72, .11); }
.project-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .95fr); }
.project-copy { padding: clamp(32px, 5vw, 64px); }
.project-copy h2 { margin-bottom: 22px; font-size: clamp(2rem, 4vw, 3.45rem); line-height: 1.08; letter-spacing: -.045em; }
.project-copy p { margin: 0; color: #486174; font-size: 1.04rem; line-height: 1.75; }
.project-meta { display: grid; gap: 10px; margin: 28px 0 0; padding: 0; list-style: none; }
.project-meta li { display: flex; gap: 10px; color: #29495f; font-size: .92rem; }
.project-meta strong { min-width: 92px; color: var(--ink); }
.project-meta a { color: var(--blue); font-weight: 700; text-underline-offset: 3px; }
.project-meta a:hover, .project-meta a:focus-visible { color: var(--ink); }
.video-wrap { position: relative; min-height: 390px; background: #061f35; }
.video-wrap iframe, .video-wrap video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-wrap video { background: #000; object-fit: contain; }
.video-link { display: inline-flex; margin-top: 28px; padding: 12px 18px; border-radius: 999px; background: var(--blue); color: #fff; font-size: .82rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; }
.video-link:hover, .video-link:focus-visible { background: var(--ink); }
@media (max-width: 900px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 18px; padding-block: 16px; }
  .brand img { width: 230px; }
  .site-nav { gap: 18px; }
  .site-nav a { font-size: .68rem; }
  .construction-card, .project-grid { grid-template-columns: 1fr; }
  .video-wrap { min-height: 0; aspect-ratio: 16 / 9; }
}
@media (max-width: 560px) { .construction-card { padding: 24px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }