/* base.css · tokens, tipografía, botones, rejilla, cabecera y pie.
   Todo lo que comparten las páginas. Los estilos de cada sección están en pages.css. */

:root{
  color-scheme:light;
  --bg:#FFFFFF; --surface:#FFFFFF; --surface-2:#F4F2EC; --ink:#101828; --muted:#4A5568; --line:#E4E6EA;
  --brand:#14325C; --brand-ink:#FFFFFF; --mint:#3B82C4; --warm:#3B82C4; --warm-ink:#FFFFFF; --good:#2F6F4E;
  --display:'Fraunces',Georgia,serif; --body:'Inter',system-ui,sans-serif;
  --gutter:clamp(16px,4vw,72px);      /* margen izquierdo y derecho de toda la página (unos 2 cm en pantalla grande) */
  --radius:12px;
  --area:#14325C;                     /* color de acento del área (lo fija site.js desde config.js) */
}
body[data-area="informatica"]{--area:#3B82C4}
body[data-area="energia"]{--area:#2F7D4F}
body[data-area="telefonia"]{--area:#5B4DB1}
/* la web es siempre clara: no sigue el modo oscuro del sistema (el tema oscuro solo con data-theme="dark") */
:root[data-theme="dark"]{color-scheme:dark;--bg:#0B1220;--surface:#121A2B;--surface-2:#1A2338;--ink:#F1F3F7;--muted:#A5AEBE;--line:#263047;--brand:#7FB3E8;--brand-ink:#0B1220;--mint:#7FB3E8;--warm:#7FB3E8;--warm-ink:#0B1220;--good:#6FCF97}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
/* anclas: que el principio de cada sección quede justo bajo la cabecera fija (76 px) y no tapado por ella */
main [id]{scroll-margin-top:96px}
#servicios{scroll-margin-top:28px}   /* esta sección ya lleva 72 px de aire propio */
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55}
h1,h2,h3,h4{font-family:var(--display);line-height:1.08;letter-spacing:-.02em;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,4.6vw,62px);font-weight:600;letter-spacing:-.015em}
h2{font-size:clamp(28px,3.4vw,44px);font-weight:600;letter-spacing:-.015em}
h3{font-size:22px;font-weight:600}
h4{font-size:17px;font-weight:700}
p{margin:0}
a{color:var(--brand)}
img,video{max-width:100%;display:block}
.wrap{width:100%;padding-left:var(--gutter);padding-right:var(--gutter)}
.narrow{max-width:820px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}
.eyebrow.warm{color:var(--warm)}
.eyebrow.area{color:var(--area)}
.muted{color:var(--muted)}
section{padding:72px 0}
.grid{display:grid;gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 28px -18px rgba(16,24,40,.14)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;background:var(--brand);color:var(--brand-ink);text-decoration:none;font:inherit;font-weight:600;border:0;cursor:pointer;line-height:1.2}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.warm{background:var(--warm);color:var(--warm-ink)}
.btn.area{background:var(--area);color:#fff}
.btn:hover{filter:brightness(1.06)}
.ph{background:#FFF4D6;color:#5C3410;border:1px dashed #E0B860;border-radius:10px;padding:10px 14px;font-size:14px}
:root[data-theme="dark"] .ph{background:#3a2a0f;color:#F5DFA6;border-color:#8a6a2a}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- cabecera ---------- */
.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s,background .25s}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,var(--brand),var(--mint) 55%,transparent);transform:scaleX(0);transform-origin:left;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -18px rgba(16,24,40,.35);background:color-mix(in srgb,var(--bg) 94%,transparent)}
.site-header.scrolled::after{transform:scaleX(1)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);transition:transform .2s}
.brand:hover{transform:translateY(-1px)}
.brand img{height:36px;width:auto}
.brand img.wordmark{height:38px;width:auto}
.site-footer .brand img.wordmark{height:30px}
.brand .name{font-family:var(--display);font-weight:600;font-size:21px;letter-spacing:-.01em;line-height:1}
.brand .tagline{display:block;font-size:12px;color:var(--muted);font-family:var(--body);font-weight:500;margin-top:3px}
/* menú: segmento en píldora, el activo resaltado en blanco con sombra */
.site-nav{display:flex;align-items:center;gap:2px;padding:4px;border-radius:999px;background:var(--surface-2);border:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.site-nav a{position:relative;color:var(--muted);text-decoration:none;font-weight:500;font-size:14.5px;padding:8px 14px;border-radius:999px;white-space:nowrap;transition:color .2s,background .2s,box-shadow .2s}
.site-nav a:hover{color:var(--ink);background:color-mix(in srgb,var(--surface) 70%,transparent)}
.site-nav a[aria-current="page"]{color:var(--brand);background:var(--surface);font-weight:600;box-shadow:0 1px 2px rgba(16,24,40,.08),0 6px 16px -10px rgba(16,24,40,.25)}
.site-nav .nav-cta{display:none}
.site-actions{display:flex;align-items:center;gap:10px}
.site-actions .btn{white-space:nowrap}
/* botón principal: píldora marino con flecha que avanza y destello al pasar */
.btn.cta{position:relative;overflow:hidden;border-radius:999px;padding:12px 18px 12px 22px;gap:10px;background:linear-gradient(135deg,#14325C,#1E4A82);box-shadow:0 8px 20px -10px rgba(20,50,92,.6),inset 0 1px 0 rgba(255,255,255,.14);transition:transform .2s,box-shadow .2s}
.btn.cta svg{transition:transform .25s}
.btn.cta:hover{transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(20,50,92,.65),inset 0 1px 0 rgba(255,255,255,.16);filter:none}
.btn.cta:hover svg{transform:translateX(4px)}
.btn.cta::after{content:"";position:absolute;top:-40%;bottom:-40%;left:-30%;width:28%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-20deg) translateX(-120%);transition:transform .6s ease}
.btn.cta:hover::after{transform:skewX(-20deg) translateX(560%)}
.site-actions .wa-ico{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#25D366;color:#fff;text-decoration:none;box-shadow:0 8px 18px -10px rgba(37,211,102,.8);transition:transform .2s,box-shadow .2s}
.site-actions .wa-ico:hover{transform:translateY(-1px) scale(1.05);box-shadow:0 12px 24px -10px rgba(37,211,102,.9)}
/* hamburguesa animada */
.menu-btn{display:none;position:relative;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);cursor:pointer;padding:0}
.menu-btn i{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s,opacity .2s,top .25s}
.menu-btn i:nth-child(1){top:14px}.menu-btn i:nth-child(2){top:20.5px}.menu-btn i:nth-child(3){top:27px}
.menu-btn.open i:nth-child(1){top:20.5px;transform:rotate(45deg)}.menu-btn.open i:nth-child(2){opacity:0}.menu-btn.open i:nth-child(3){top:20.5px;transform:rotate(-45deg)}
@media (max-width:1080px){
  .site-nav{display:none;position:absolute;left:0;right:0;top:74px;background:var(--bg);border:0;border-bottom:1px solid var(--line);border-radius:0 0 22px 22px;flex-direction:column;align-items:stretch;padding:10px var(--gutter) 20px;gap:2px;box-shadow:0 24px 40px -24px rgba(16,24,40,.35)}
  .site-nav.open{display:flex;animation:nav-in .22s ease}
  .site-nav a{padding:13px 12px;font-size:17px;border-radius:12px}
  .site-nav a[aria-current="page"]{box-shadow:none;background:var(--surface-2)}
  .site-nav .nav-cta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;padding-top:14px;border-top:1px solid var(--line)}
  .site-nav .nav-cta .btn{justify-content:center;border-radius:12px}
  .site-nav .nav-cta .btn.wa{background:#25D366;color:#fff}
  .menu-btn{display:inline-flex}
}
@keyframes nav-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@media (max-width:560px){.site-actions .btn.cta{display:none}.brand .tagline{display:none}.brand img.wordmark{height:32px}}

/* ---------- pie ---------- */
.site-footer{margin-top:40px;background:var(--ink);color:#D5DAE0;border-top:4px solid var(--brand)}
.site-footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px}
@media (max-width:980px){.site-footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;font-family:var(--body)}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer a{color:#D5DAE0;text-decoration:none;font-size:15px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer a.sub{color:#A5AEBE;font-size:14px;padding-left:12px}
.site-footer .brand{color:#fff}
.site-footer .brand .tagline{color:#A5AEBE}
.site-footer .about{font-size:15px;color:#A5AEBE;margin-top:14px;max-width:38em}
.site-footer .contact{display:grid;gap:8px;font-size:15px}
.site-footer .legal{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#A5AEBE}
.site-footer .legal a{font-size:13px}
.site-footer .badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.site-footer .badge{font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.18);color:#D5DAE0}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* ---------- formularios sin servidor (js/formularios.js) ---------- */
.form-ok{background:#E1F2E6;color:#1f6b3a;border-radius:12px;padding:14px 16px;font-size:15px}
.form-alt{background:var(--surface-2);border-radius:12px;padding:16px;display:grid;gap:12px;font-size:15px}
.form-alt .btns-row{display:flex;gap:10px;flex-wrap:wrap}
.form-txt{margin:0;white-space:pre-wrap;font:inherit;font-size:14px;color:var(--muted)}

/* ---------- aviso de teléfono en escritorio («Llamar ahora») ---------- */
.tel-pop{position:absolute;z-index:40;background:var(--ink);color:#F1F3F7;border-radius:14px;padding:14px 16px;display:grid;gap:4px;min-width:260px;box-shadow:0 20px 50px -20px rgba(0,0,0,.5);animation:tel-pop .2s ease}
.tel-pop span{font-size:13px;color:#A5AEBE}
.tel-pop b{font-family:var(--display);font-size:24px;letter-spacing:-.01em;line-height:1.1}
.tel-pop small{font-size:12px;color:#A5AEBE}
.tel-pop-btns{display:flex;gap:8px;margin-top:8px}
.tel-pop-btns .btn{background:#fff;color:var(--ink);padding:8px 14px;font-size:14px}
.tel-pop-btns .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
@keyframes tel-pop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}