/* Demo Vértice Ingeniería · empresa ficticia. IBM Plex Sans + Plex Mono. Paleta: azul noche, acero, amarillo señal. */
:root { --c-noche: #0B1F33; --c-noche-2: #12304D; --c-acero: #5B6B7A; --c-amarillo: #F2C230; --c-gris: #EEF1F4; --c-linea: #D5DCE3; --c-g: clamp(16px, 4vw, 56px); }
* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: var(--c-noche); font: 400 16px/1.65 "IBM Plex Sans", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--c-amarillo); outline-offset: 2px; }
.c-c { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--c-g); position: relative; }
.c-h1 { font-weight: 600; font-size: clamp(2.4rem, 1.5rem + 3.6vw, 4.6rem); line-height: 1.04; letter-spacing: -.025em; max-width: 18ch; }
.c-h1--xl { font-size: clamp(2.8rem, 1.5rem + 5vw, 6rem); }
.c-h1 span { color: var(--c-amarillo); }
.c-h2 { font-weight: 600; font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.7rem); line-height: 1.1; letter-spacing: -.02em; }
.c-h3 { font-weight: 600; font-size: 1.15rem; margin: 28px 0 12px; }
.c-eti { font-family: "IBM Plex Mono", monospace; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--c-amarillo); margin-bottom: 18px; }
.c-eti--oscuro { color: var(--c-acero); }
.c-mono { font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--c-acero); }
.c-lead { font-size: 1.18rem; color: #C3D0DC; max-width: 52ch; margin: 22px 0 32px; }
.c-lead--oscuro { color: var(--c-acero); }
.c-nota { font-size: 13px; color: #9FB0C0; margin-top: 12px; }
.c-nota--oscuro { color: var(--c-acero); }
.c-sec { padding: clamp(56px, 8vw, 112px) 0; }
.c-gris { background: var(--c-gris); }
.c-fila { display: flex; flex-wrap: wrap; gap: 12px; }
.c-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; border-radius: 4px; background: var(--c-noche); color: #fff; border: 2px solid var(--c-noche); font: 600 15px "IBM Plex Sans", sans-serif; text-decoration: none; cursor: pointer; transition: background .2s, color .2s; }
.c-btn:hover { background: var(--c-noche-2); }
.c-btn--amarillo { background: var(--c-amarillo); color: var(--c-noche); border-color: var(--c-amarillo); }
.c-btn--amarillo:hover { background: #fff; border-color: #fff; color: var(--c-noche); }
.c-btn--linea { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.c-btn--linea:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.c-link { font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--c-amarillo); }
.c-cab { position: sticky; top: 0; z-index: 30; background: var(--c-noche); color: #fff; border-bottom: 1px solid rgba(255,255,255,.12); }
.c-cab .c-c { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; }
.c-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 1.2rem; letter-spacing: -.01em; line-height: 1; }
.c-logo svg { width: 36px; height: 36px; }
.c-logo small { display: block; font-family: "IBM Plex Mono", monospace; font-weight: 400; font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; opacity: .7; margin-top: 4px; }
.c-nav { display: flex; align-items: center; gap: 28px; }
.c-nav ul { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.c-nav a:not(.c-btn) { text-decoration: none; font-weight: 500; color: #C3D0DC; padding: 6px 0; border-bottom: 2px solid transparent; }
.c-nav a:not(.c-btn):hover, .c-nav a[aria-current="page"] { color: #fff; border-color: var(--c-amarillo); }
.c-nav .c-btn { min-height: 42px; padding: 0 18px; font-size: 14px; }
.c-menu { display: none; width: 46px; height: 46px; background: none; border: 1px solid rgba(255,255,255,.3); border-radius: 4px; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.c-menu span { width: 20px; height: 2px; background: #fff; }
.c-heroe, .c-pcab { position: relative; overflow: hidden; background: var(--c-noche); color: #fff; }
.c-heroe { padding: clamp(64px, 10vw, 150px) 0 clamp(56px, 8vw, 110px); }
.c-pcab { padding: clamp(56px, 8vw, 110px) 0 clamp(48px, 6vw, 80px); }
.c-heroe__fondo, .c-pcab__fondo { position: absolute; inset: 0; opacity: .55; }
.c-heroe__fondo svg, .c-pcab__fondo svg { width: 100%; height: 100%; object-fit: cover; }
.c-heroe__fondo::after, .c-pcab__fondo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--c-noche) 30%, rgba(11,31,51,.4)); }
.c-datos { display: flex; flex-wrap: wrap; gap: 16px 48px; margin: 56px 0 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18); }
.c-datos div { display: grid; }
.c-datos dt { font-family: "IBM Plex Mono", monospace; font-size: 2rem; color: var(--c-amarillo); }
.c-datos dd { margin: 0; color: #C3D0DC; font-size: 14px; }
.c-cab-sec { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 36px; }
.c-grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.c-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.c-card { display: grid; gap: 12px; align-content: start; padding: 28px; border: 1px solid var(--c-linea); border-radius: 6px; background: #fff; text-decoration: none; transition: border-color .2s, box-shadow .3s, transform .3s; }
a.c-card:hover { border-color: var(--c-noche); box-shadow: 0 16px 40px -20px rgba(11,31,51,.4); transform: translateY(-3px); }
.c-card h2, .c-card h3 { font-weight: 600; font-size: 1.35rem; letter-spacing: -.01em; }
.c-card p { color: var(--c-acero); }
.c-card__img { margin: -28px -28px 8px; border-radius: 6px 6px 0 0; overflow: hidden; }
.c-mas { font-weight: 600; color: var(--c-noche); border-bottom: 2px solid var(--c-amarillo); justify-self: start; }
.c-dos { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 72px); align-items: center; }
.c-sectores { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--c-linea); border: 1px solid var(--c-linea); }
.c-sectores li { background: #fff; padding: 22px; display: grid; gap: 4px; }
.c-sectores span { color: var(--c-acero); font-size: 14.5px; }
.c-proys { display: grid; gap: 24px; }
.c-proy { display: grid; grid-template-columns: 1.2fr 1fr; border: 1px solid var(--c-linea); border-radius: 6px; overflow: hidden; }
.c-proy__img svg { width: 100%; height: 100%; }
.c-proy__info { padding: 28px; display: grid; gap: 18px; align-content: center; }
.c-proy h3 { font-size: 1.4rem; font-weight: 600; }
.c-proy dl { margin: 0; display: grid; gap: 10px; }
.c-proy dl div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; border-bottom: 1px solid var(--c-linea); padding-bottom: 8px; font-size: 14.5px; }
.c-proy dt { font-family: "IBM Plex Mono", monospace; font-size: 12px; text-transform: uppercase; color: var(--c-acero); }
.c-proy dd { margin: 0; }
.c-cta { background: var(--c-noche); padding: clamp(48px, 7vw, 96px) 0; }
.c-prosa { display: grid; gap: 16px; color: var(--c-acero); font-size: 1.05rem; }
.c-check { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.c-check li { padding-left: 30px; position: relative; }
.c-check li::before { content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 16px; background: var(--c-amarillo); clip-path: polygon(0 50%, 40% 90%, 100% 10%, 85% 0, 40% 60%, 12% 35%); }
.c-pasos { padding-left: 1.2em; display: grid; gap: 8px; color: var(--c-acero); }
.c-equipo { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.c-miembro { display: grid; gap: 4px; }
.c-miembro__foto { aspect-ratio: 1; background: #fff; border: 1px dashed var(--c-acero); border-radius: 6px; display: grid; place-items: center; margin-bottom: 10px; }
.c-miembro__foto svg { width: 50%; }
.c-miembro span { color: var(--c-acero); font-size: 14px; }
.c-tabla table { width: 100%; border-collapse: collapse; }
.c-tabla th, .c-tabla td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--c-linea); vertical-align: top; }
.c-tabla th { width: 30%; font-family: "IBM Plex Mono", monospace; font-size: 13px; text-transform: uppercase; color: var(--c-acero); font-weight: 400; }
.c-form { display: grid; gap: 18px; background: var(--c-gris); padding: clamp(20px, 3vw, 36px); border-radius: 6px; }
.c-form__fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.c-campo { display: grid; gap: 6px; }
.c-campo label { font-weight: 600; font-size: 14px; }
.c-campo input, .c-campo select, .c-campo textarea { min-height: 48px; padding: 10px 14px; border: 1px solid var(--c-linea); border-radius: 4px; background: #fff; font: inherit; font-size: 16px; color: inherit; width: 100%; }
.c-campo textarea { min-height: 120px; }
.c-campo input:focus, .c-campo select:focus, .c-campo textarea:focus { outline: none; border-color: var(--c-noche); box-shadow: 0 0 0 3px rgba(242,194,48,.5); }
.c-campo [aria-invalid="true"] { border-color: #B42318; }
.c-campo [data-error], .c-check-l [data-error] { color: #B42318; font-size: 13.5px; display: block; }
.c-campo [data-error]:empty, .c-check-l [data-error]:empty { display: none; }
.c-check-l { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--c-acero); }
.c-check-l input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--c-noche); }
.c-pie { background: #071523; color: #9FB0C0; padding: 56px 0 96px; font-size: 14.5px; }
.c-pie__g { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 28px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.12); }
.c-pie b { color: #fff; }
.c-pie ul { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.c-pie a { color: #C3D0DC; }
.c-pie__legal { padding-top: 20px; font-size: 12.5px; }
.js [data-rev] { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js [data-rev].visible { opacity: 1; transform: none; }
@media (max-width: 960px) {
  .c-menu { display: inline-flex; }
  .c-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--c-noche); flex-direction: column; align-items: stretch; padding: 16px var(--c-g) 24px; border-bottom: 1px solid rgba(255,255,255,.12); }
  .c-nav.abierto { display: flex; }
  .c-nav ul { flex-direction: column; gap: 0; }
  .c-nav a:not(.c-btn) { display: block; padding: 12px 0; font-size: 1.1rem; }
  .c-cab .c-c { position: relative; }
  .c-grid3, .c-grid2, .c-dos, .c-proy, .c-pie__g, .c-sectores { grid-template-columns: 1fr; }
  .c-equipo { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) { .c-form__fila { grid-template-columns: 1fr; } .c-btn { width: 100%; } }
@media (prefers-reduced-motion: reduce) { .js [data-rev] { opacity: 1; transform: none; transition: none; } * { transition: none !important; } }
.c-heroe > .c-c, .c-pcab > .c-c { z-index: 2; }