/* =========================================================
   Abuelos en su Casa — base.css
   Estilos globales: tokens, tipografía, header, footer,
   botones, formulario, barra flotante mobile y utilidades.
   Los estilos propios de cada página están en css/<pagina>.css
   ========================================================= */

/* ---------- Tokens de marca ---------- */
:root{
  --brand:#8ABCAA;        /* verde de marca (claro) */
  --brand-mid:#4E8C77;    /* verde medio (texto/acentos) */
  --deep:#2F5D4E;         /* verde profundo (bloques) */
  --cream:#F5EEE1;        /* crema cálido */
  --sand:#E7D3A1;         /* arena dorado */
  --ink:#22332E;          /* texto principal */
  --muted:#5b6b64;        /* texto secundario */
  --muted-2:#7d8b84;      /* texto terciario */
  --soft:#E7F0EC;         /* verde muy claro (tiles) */
  --panel:#F7F5F1;        /* gris cálido de tarjetas */
  --line:rgba(34,51,46,.08);
  --wa:#25D366;           /* WhatsApp */
  --shadow:0 24px 60px -30px rgba(34,51,46,.35);
  --radius:24px;
  --maxw:1120px;
  --font:'Sora',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:ui-monospace,Menlo,Consolas,monospace;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:#fff;
  line-height:1.5;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(78,140,119,.5);outline-offset:2px}

/* ---------- Layout ---------- */
.container{max-width:var(--maxw);margin:0 auto;width:100%}
.section{padding:clamp(44px,6vw,84px) clamp(18px,4vw,56px)}
.section--tight{padding:clamp(32px,4vw,56px) clamp(18px,4vw,56px)}
.section--cream{background:var(--cream)}
.section--white{background:#fff}
.section--deep{background:var(--deep);color:#fff;position:relative;overflow:hidden}
.section--brand{background:var(--brand)}
.section--pattern::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 16px,transparent 16px 32px);
}
.section--deep .container,.section--deep .inner{position:relative}

/* ---------- Tipografía ---------- */
.eyebrow{
  display:inline-block;font-family:var(--mono);
  font-size:12px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand-mid);
}
.h1{font-weight:800;font-size:clamp(30px,5vw,50px);line-height:1.05;letter-spacing:-.02em;text-wrap:balance}
.h2{font-weight:700;font-size:clamp(26px,4vw,40px);line-height:1.08;letter-spacing:-.02em;text-wrap:balance}
.lead{font-size:clamp(15px,2vw,18px);line-height:1.6;color:var(--muted)}
.mt-14{margin-top:14px}
.mt-18{margin-top:18px}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 22px;border-radius:15px;border:none;cursor:pointer;
  font-weight:700;font-size:15.5px;text-decoration:none;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, filter .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn svg{flex:none}
.btn--wa{background:var(--wa);color:#fff}
.btn--wa:hover{box-shadow:0 10px 24px -10px rgba(37,211,102,.6)}
.btn--primary{background:var(--brand);color:var(--ink)}
.btn--primary:hover{filter:brightness(.96)}
.btn--call{background:#fff;color:var(--deep);border:1px solid rgba(34,51,46,.14);font-weight:600}
.btn--ghost{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;font-weight:600}
.btn--ghost:hover{background:rgba(255,255,255,.22)}
.btn--block{width:100%}
.btn--lg{padding:17px 26px;font-size:16px;border-radius:16px}

.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(34,51,46,.07);
}
.site-header__inner{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:14px clamp(18px,4vw,48px);
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;margin-right:auto}
.brand__logo{
  width:40px;height:40px;border-radius:12px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.brand__name{font-weight:700;font-size:16px;color:var(--ink);line-height:1.05}
.brand__tag{font-size:11px;color:var(--muted-2);letter-spacing:.02em}
.nav{display:flex;gap:6px;align-items:center}
.nav__link{
  padding:9px 13px;border-radius:10px;color:#3c4a44;
  font-weight:500;font-size:14px;text-decoration:none;transition:background .15s;
}
.nav__link:hover{background:var(--soft)}
.nav__link.is-active{background:var(--soft);color:var(--deep);font-weight:600}
.header-actions{display:flex;gap:10px;align-items:center}
.header-actions .btn{padding:11px 16px;font-size:14px;border-radius:12px}

.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(34,51,46,.12);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}

/* Menú mobile desplegable */
.mobile-menu{display:none;flex-direction:column;gap:2px;padding:10px 16px 16px;
  background:#fff;border-bottom:1px solid rgba(34,51,46,.07)}
.mobile-menu.is-open{display:flex}
.mobile-menu a{padding:13px 12px;border-radius:12px;color:var(--ink);
  font-weight:600;font-size:16px;text-decoration:none}
.mobile-menu a:hover{background:var(--soft)}
.mobile-menu .btn{margin-top:8px}

/* ---------- Barra flotante mobile (WhatsApp + Llamar) ---------- */
.floating-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;
  gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid rgba(34,51,46,.08);box-shadow:0 -6px 20px -12px rgba(0,0,0,.25);
}
.floating-bar .btn{flex:1;padding:15px;font-size:15px}

/* ---------- Formulario de cotización ---------- */
.form-card{
  background:#fff;border-radius:var(--radius);
  padding:clamp(18px,4vw,26px);border:1px solid var(--line);box-shadow:var(--shadow);
}
.form-card__title{font-weight:700;font-size:20px;letter-spacing:-.01em}
.form-card__chip{
  display:inline-flex;align-items:center;gap:7px;margin-top:12px;
  padding:7px 12px;border-radius:999px;background:var(--soft);
  color:var(--deep);font-size:12.5px;font-weight:600;
}
.form-card__hint{margin-top:12px;font-size:13.5px;color:var(--muted)}
.form{display:flex;flex-direction:column;gap:16px;margin-top:20px}
.field{display:flex;flex-direction:column;border:0;padding:0;margin:0;min-width:0}
.field__label{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field__input,.field__select{
  width:100%;padding:14px 15px;border-radius:14px;
  border:1px solid rgba(34,51,46,.14);background:#fff;
  font:inherit;font-size:15px;color:var(--ink);outline:none;
}
.field__input::placeholder{color:#9aa8a1}
.field__input:focus,.field__select:focus{border-color:var(--brand-mid)}
.field__select{appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235b6b64' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;cursor:pointer}

/* Segmentado (radios como botones) */
.seg{display:flex;flex-wrap:wrap;gap:10px}
.seg__opt{flex:1 1 90px;min-width:0}
.seg__opt input{position:absolute;opacity:0;width:0;height:0}
.seg__opt span{
  display:block;text-align:center;padding:13px 8px;border-radius:14px;
  border:1px solid rgba(34,51,46,.14);background:#fff;color:var(--ink);
  font-size:13.5px;cursor:pointer;transition:all .12s;user-select:none;
}
.seg__opt input:checked + span{border-color:var(--brand-mid);background:var(--soft);color:var(--deep);font-weight:600}
.seg__opt input:focus-visible + span{outline:3px solid rgba(78,140,119,.5);outline-offset:2px}

/* ---------- Footer ---------- */
.footer{background:var(--ink);padding:clamp(40px,5vw,64px) clamp(18px,4vw,56px) 30px}
.footer__grid{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:34px;justify-content:space-between}
.footer__brand{flex:1 1 260px}
.footer__logo{display:flex;align-items:center;gap:11px}
.footer__logo .brand__logo{background:var(--brand)}
.footer__name{font-weight:700;font-size:16px;color:#fff}
.footer__desc{margin-top:14px;font-size:13.5px;line-height:1.6;color:rgba(255,255,255,.6);max-width:34ch}
.footer__social{display:flex;gap:10px;margin-top:16px}
.footer__social a{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;transition:background .15s}
.footer__social a:hover{background:rgba(255,255,255,.16)}
.footer__col{flex:1 1 200px}
.footer__title{font-weight:700;font-size:13px;color:#fff;margin-bottom:14px}
.footer__list{display:flex;flex-direction:column;gap:9px}
.footer__list span,.footer__list a{font-size:13px;color:rgba(255,255,255,.62);text-decoration:none}
.footer__phone{font-size:14px !important;color:var(--brand) !important;font-weight:600}
.footer__copy{max-width:var(--maxw);margin:34px auto 0;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:rgba(255,255,255,.4)}

/* ---------- Tarjetas / tiles genéricos ---------- */
.icon-tile{width:52px;height:52px;border-radius:15px;background:var(--soft);
  display:flex;align-items:center;justify-content:center;flex:none}
.icon-tile--sm{width:44px;height:44px;border-radius:13px}
.chip{padding:7px 13px;border-radius:10px;background:var(--soft);color:var(--deep);
  font-size:13px;font-weight:600}

/* ---------- Reveal on scroll (progresivo, no rompe sin JS) ---------- */
.js .reveal{opacity:0;transform:translateY(20px);
  transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:880px){
  .nav,.header-actions{display:none}
  .hamburger{display:flex}
  .floating-bar{display:flex}
  body{padding-bottom:76px} /* espacio para la barra flotante */
}

/* ---------- Botón flotante de WhatsApp (desktop) ---------- */
.wa-float{display:none;position:fixed;right:28px;bottom:28px;z-index:70;width:60px;height:60px;border-radius:50%;background:var(--wa);align-items:center;justify-content:center;box-shadow:0 14px 30px -8px rgba(0,0,0,.4);text-decoration:none}
@media (min-width:881px){ .wa-float{display:flex} }