/* mubgeo · sitio de servicios
   Azul noche + verde técnico, tipografía Inter (local, SIL OFL).
   Página corta: portada, servicios, proyecto, proceso y contacto. */

@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url("fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("fonts/inter-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url("fonts/inter-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 800; font-display: swap; src: url("fonts/inter-latin-800-normal.woff2") format("woff2"); }

:root {
  --noche: #0f172a;
  --noche-2: #172036;
  --noche-3: #1e293b;
  --verde: #4a7c2e;
  --verde-hover: #3d6826;
  --verde-luz: #a3c98a;
  --papel: #f5f6f2;
  --blanco: #ffffff;
  --tinta: #0f172a;
  --gris: #4b5565;
  --gris-claro: #c3cad6;
  --linea: #e2e5de;
  --linea-oscura: rgba(255, 255, 255, 0.12);
  --radio: 14px;
  --sombra: 0 1px 2px rgba(15, 23, 42, .06), 0 12px 32px rgba(15, 23, 42, .08);
  --wrap: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--papel);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--verde-luz); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-inline: 24px; }

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: 999px; border: 0;
  background: var(--verde); color: var(--blanco);
  font: 600 16px/1 "Inter", sans-serif; text-decoration: none; cursor: pointer;
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--verde-hover); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--blanco); box-shadow: inset 0 0 0 1.5px var(--linea-oscura); }
.btn.ghost:hover { background: rgba(255, 255, 255, .06); }
.btn.small { min-height: 40px; padding: 0 18px; font-size: 15px; }
.btn.wide { width: 100%; }

.eyebrow {
  display: inline-block; margin-bottom: 14px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--verde);
}
.dark .eyebrow, .hero .eyebrow { color: var(--verde-luz); }

/* ---------- barra superior ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(15, 23, 42, .86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linea-oscura);
}
.bar { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { font-size: 22px; font-weight: 800; letter-spacing: -0.03em; color: var(--blanco); text-decoration: none; }
.logo span { color: var(--verde-luz); }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { color: var(--gris-claro); text-decoration: none; font-size: 15px; font-weight: 500; transition: color .2s; }
.nav a:hover { color: var(--blanco); }

/* ---------- portada ---------- */
.hero {
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(74, 124, 46, .22), transparent 60%),
    linear-gradient(180deg, var(--noche) 0%, var(--noche-2) 100%);
  color: var(--blanco);
  padding-block: 72px 88px;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.2vw, 62px); font-weight: 800; }
.hero .accent { color: var(--verde-luz); }
.lead { font-size: 19px; color: var(--gris-claro); margin-top: 22px; max-width: 34em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-media { margin: 0; position: relative; }
.hero-media img {
  border-radius: var(--radio); aspect-ratio: 4 / 3; object-fit: cover; width: 100%;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .45);
}
.hero-media figcaption {
  position: absolute; left: 16px; bottom: 16px;
  padding: 6px 12px; border-radius: 999px; background: rgba(15, 23, 42, .78);
  font-size: 13px; color: var(--blanco);
}

/* ---------- secciones ---------- */
.section { padding-block: 96px; }
.section.dark { background: var(--noche); color: var(--blanco); }
.head { margin-bottom: 44px; }
.head h2, .section h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; }

/* servicios */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc {
  background: var(--blanco); border-radius: var(--radio); overflow: hidden;
  box-shadow: var(--sombra); display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .25s;
}
.svc:hover { transform: translateY(-4px); box-shadow: 0 2px 4px rgba(15,23,42,.06), 0 20px 44px rgba(15,23,42,.14); }
.svc-media {
  aspect-ratio: 16 / 10; display: grid; place-items: center;
  /* si existe la imagen (--img) se muestra; si no, queda el degradado */
  background: var(--img, none) center / cover no-repeat, linear-gradient(135deg, var(--noche-3), var(--noche));
}
.svc-media svg { width: 52px; height: 52px; fill: none; stroke: var(--verde-luz); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.svc-body { padding: 22px 22px 26px; }
.svc h3 { font-size: 19px; font-weight: 700; }
.svc p { margin-top: 8px; font-size: 15.5px; color: var(--gris); }

/* proyecto */
.project { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.project-copy p { margin-top: 18px; color: var(--gris-claro); }
.stats { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 36px; margin: 34px 0 0; }
.stats dt { font-size: 36px; font-weight: 800; letter-spacing: -0.03em; color: var(--verde-luz); }
.stats dd { margin: 2px 0 0; font-size: 14px; color: var(--gris-claro); }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gallery figure { margin: 0; position: relative; border-radius: 12px; overflow: hidden; }
.gallery .g-main { grid-column: 1 / -1; }
.gallery img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10; transition: transform .5s; }
.gallery .g-main img { aspect-ratio: 21 / 9; }
.gallery figure:hover img { transform: scale(1.04); }
.gallery figcaption {
  position: absolute; left: 12px; bottom: 12px; padding: 4px 10px; border-radius: 999px;
  background: rgba(15, 23, 42, .8); font-size: 12.5px; color: var(--blanco);
}

/* proceso */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { padding: 26px 24px; background: var(--blanco); border-radius: var(--radio); border-top: 3px solid var(--verde); }
.steps span { font-size: 14px; font-weight: 700; color: var(--verde); font-variant-numeric: tabular-nums; }
.steps h3 { font-size: 19px; margin-top: 10px; }
.steps p { margin-top: 6px; font-size: 15.5px; color: var(--gris); }

/* contacto */
.contact { background: radial-gradient(800px 420px at 10% 100%, rgba(74, 124, 46, .2), transparent 60%), var(--noche); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.lines { list-style: none; padding: 0; margin: 34px 0 0; display: grid; gap: 14px; }
.lines li { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.lines .k { width: 86px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gris-claro); }
.lines a { font-weight: 600; text-decoration: none; border-bottom: 1.5px solid var(--verde-luz); }
.copy {
  min-height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--linea-oscura);
  background: transparent; color: var(--gris-claro); font: 500 13px "Inter", sans-serif; cursor: pointer;
}
.copy:hover { color: var(--blanco); border-color: var(--gris-claro); }

.form { background: var(--noche-3); border: 1px solid var(--linea-oscura); border-radius: var(--radio); padding: 28px; display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--gris-claro); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--linea-oscura); background: var(--noche); color: var(--blanco);
  font: 16px "Inter", sans-serif;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--verde-luz); }
.error { color: #ffb4a8; font-size: 14px; }
.privacy { font-size: 13px; color: var(--gris-claro); }

/* pie */
.footer { background: #0a1020; color: var(--gris-claro); font-size: 14px; }
.foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; padding-block: 28px; }
.foot .logo { font-size: 18px; }
.foot span:last-child { margin-left: auto; }

/* botón flotante de WhatsApp */
.wa-float {
  position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 30;
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: var(--verde); box-shadow: 0 10px 24px rgba(0, 0, 0, .3); transition: transform .2s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 26px; height: 26px; fill: none; stroke: var(--blanco); stroke-width: 2; stroke-linejoin: round; }

/* ---------- adaptación ---------- */
@media (max-width: 1000px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .project { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 860px) {
  .nav { display: none; }
  .bar .btn { margin-left: auto; }
  .hero { padding-block: 44px 56px; }
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .section { padding-block: 64px; }
  .head { margin-bottom: 28px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 18px; }
  .lead { font-size: 17px; }
  .actions .btn { flex: 1 1 100%; }
  .services { grid-template-columns: 1fr; gap: 14px; }
  .svc { flex-direction: row; }
  .svc-media { aspect-ratio: auto; width: 34%; flex: none; }
  .svc-media svg { width: 34px; height: 34px; }
  .svc-body { padding: 16px; }
  .svc h3 { font-size: 17px; }
  .svc p { font-size: 14.5px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 12px; }
  .steps li { padding: 18px 16px; }
  .stats { gap: 22px; }
  .stats dt { font-size: 28px; }
  .form { padding: 20px; }
  .foot span:last-child { margin-left: 0; }
}