/* ==========================================================================
   Vikinga Fumigaciones — Sistema visual
   Verde confianza + acento ámbar + WhatsApp. Tipografía Poppins/Inter.
   ========================================================================== */

:root{
  --brand:#15723f;
  --brand-dark:#0e3a24;
  --brand-800:#123e29;
  --brand-light:#e8f3ec;
  --wa:#25d366;
  --wa-dark:#1aa851;
  --accent:#f4a623;
  --accent-dark:#c17d10;
  --accent-bg:#fdf1dd;
  --ink:#173c28;
  --text:#2b3a31;
  --muted:#5b6b62;
  --line:#e0e7e2;
  --surface:#ffffff;
  --surface-alt:#f5f8f6;
  --blue:#185fa5;
  --blue-bg:#e6f1fb;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 10px 30px rgba(14,58,36,.08);
  --shadow-sm:0 4px 14px rgba(14,58,36,.06);
  --wrap:1140px;
  --font-display:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--surface);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.22;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.4vw,3rem);font-weight:600;letter-spacing:-.5px}
h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:600;letter-spacing:-.3px}
h3{font-size:1.2rem;font-weight:600}
p{margin:0 0 1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.eyebrow{font-size:.78rem;letter-spacing:1.4px;text-transform:uppercase;font-weight:600;color:var(--brand)}
.section{padding:72px 0}
.section--alt{background:var(--surface-alt)}
.section--brand{background:var(--brand-dark);color:#dfeae3}
.section--brand h2,.section--brand h3{color:#fff}
.center{text-align:center}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.center .lead{margin-left:auto;margin-right:auto}

/* ---- Botones -------------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-weight:600;font-size:1rem;
  padding:.85rem 1.4rem;border-radius:var(--radius-sm);border:2px solid transparent;
  cursor:pointer;transition:transform .12s ease,background .2s ease,box-shadow .2s ease;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn i{font-size:1.25em}
.btn--wa{background:var(--wa);color:#08361a;box-shadow:var(--shadow-sm)}
.btn--wa:hover{background:var(--wa-dark);color:#08361a}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--brand);background:var(--brand-light)}
.btn--light{background:#fff;color:var(--brand)}
.btn--light:hover{background:#f0f7f2}
.btn--outline-light{background:transparent;color:#eafff2;border-color:#3c6b52}
.btn--outline-light:hover{border-color:#7fc79b;background:rgba(255,255,255,.06);color:#fff}
.btn--lg{padding:1rem 1.7rem;font-size:1.06rem}
.btn--block{width:100%;justify-content:center}

/* ---- Header --------------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-family:var(--font-display);font-weight:600;font-size:1.3rem;color:var(--brand-dark);letter-spacing:.2px;
  display:inline-flex;align-items:center;gap:.6rem;line-height:1;white-space:nowrap}
.brand span{color:var(--accent)}
.brand:hover{text-decoration:none}
.brand-mark{width:40px;height:40px;flex:none}
.site-footer .brand-mark{width:38px;height:38px}
.nav-links{display:flex;align-items:center;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);font-weight:500;font-size:.96rem}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.nav-cta{display:inline-flex;align-items:center;gap:.45rem;background:var(--wa);color:#08361a;
  font-weight:600;padding:.6rem 1rem;border-radius:var(--radius-sm);font-size:.92rem}
.nav-cta:hover{background:var(--wa-dark);color:#08361a;text-decoration:none}
.nav-toggle{display:none;background:none;border:0;color:var(--brand-dark);font-size:1.7rem;cursor:pointer;line-height:1}

/* ---- Submenús del nav ------------------------------------------------------ */
.nav-links .has-sub{position:relative}
.sub-toggle{background:none;border:0;padding:0;font-family:var(--font-body);font-size:.96rem;font-weight:500;
  color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:.35rem;line-height:inherit}
.sub-toggle:hover{color:var(--brand)}
.sub-toggle i{font-size:.85rem;color:var(--muted);transition:transform .2s ease}
.nav-links .has-sub:hover .sub-toggle,.nav-links .has-sub:focus-within .sub-toggle{color:var(--brand)}
.nav-links .has-sub:hover .sub-toggle i,.nav-links .has-sub:focus-within .sub-toggle i{transform:rotate(180deg);color:var(--brand)}

.nav-links .sub{position:absolute;top:calc(100% + 14px);left:-18px;min-width:340px;list-style:none;margin:0;padding:10px;
  background:#fff;border-radius:16px;border:1px solid rgba(14,58,36,.06);
  box-shadow:0 20px 44px rgba(14,58,36,.16),0 3px 8px rgba(14,58,36,.06);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:80}
.nav-links .has-sub:hover .sub,.nav-links .has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translateY(0)}
/* puente para que no se cierre al bajar el mouse */
.nav-links .has-sub::after{content:"";position:absolute;top:100%;left:0;right:0;height:16px}
/* flechita superior */
.nav-links .sub::before{content:"";position:absolute;top:-6px;left:32px;width:12px;height:12px;
  background:#fff;border-left:1px solid rgba(14,58,36,.06);border-top:1px solid rgba(14,58,36,.06);
  transform:rotate(45deg);border-radius:2px}

.nav-links .sub li{padding:0}
.nav-links .sub a{display:flex;align-items:center;gap:.75rem;padding:.6rem .65rem;border-radius:11px;
  color:var(--ink);transition:background .15s ease}
.nav-links .sub a:hover{background:var(--surface-alt);text-decoration:none}
.nav-links .sub .si{width:34px;height:34px;border-radius:10px;flex:none;display:flex;align-items:center;
  justify-content:center;background:var(--brand-light);color:var(--brand);font-size:1.05rem;transition:background .15s ease}
.nav-links .sub a:hover .si{background:var(--brand);color:#fff}
.nav-links .sub .st{display:block;min-width:0}
.nav-links .sub b{display:block;font-family:var(--font-display);font-weight:500;font-size:.92rem;
  color:var(--ink);line-height:1.3;white-space:nowrap}
.nav-links .sub small{display:block;font-size:.78rem;color:var(--muted);line-height:1.35;white-space:nowrap}

/* ---- Hero ----------------------------------------------------------------- */
.hero{background:var(--brand-dark);color:#eafff2;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:#123e29;border-radius:50%;opacity:.6}
.hero .wrap{position:relative;z-index:2;padding-top:74px;padding-bottom:80px;max-width:900px}
.hero .eyebrow{color:#7fc79b}
.hero h1{color:#fff;max-width:20ch}
.hero p{color:#bcd6c8;font-size:1.18rem;max-width:52ch;margin:1.1rem 0 1.8rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.hero-note{display:flex;align-items:center;gap:.5rem;color:#9fc4ae;font-size:.9rem;margin-top:1.4rem}
.hero-note i{color:var(--accent)}

/* ---- Franja de confianza -------------------------------------------------- */
.trust{background:var(--brand-800)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{display:flex;align-items:center;gap:.7rem;padding:20px 18px;color:#dfeae3;
  border-right:1px solid #1e4d34;font-size:.94rem;font-weight:500}
.trust-item:last-child{border-right:0}
.trust-item i{color:var(--accent);font-size:1.5rem}

/* ---- Grillas de servicios / features -------------------------------------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .15s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe0d6}
.card .ic{width:48px;height:48px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);font-size:1.5rem;margin-bottom:16px}
.card .ic--amber{background:var(--accent-bg);color:var(--accent-dark)}
.card .ic--blue{background:var(--blue-bg);color:var(--blue)}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:.9rem}
.card .more{font-weight:600;font-size:.92rem;display:inline-flex;align-items:center;gap:.35rem}
.card.card--link{cursor:pointer}

/* ---- Bloque dolor -> solución --------------------------------------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.checklist{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:.75rem}
.checklist li{display:flex;gap:.7rem;align-items:flex-start;color:var(--text)}
.checklist i{color:var(--brand);font-size:1.15rem;margin-top:.15rem;flex:none}
.painlist{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:.7rem}
.painlist li{display:flex;gap:.7rem;align-items:flex-start;color:var(--text)}
.painlist i{color:#d8562f;font-size:1.1rem;margin-top:.2rem;flex:none}

/* ---- Panel destacado ------------------------------------------------------ */
.panel{background:var(--brand-light);border-radius:var(--radius);padding:34px 32px;border:1px solid #cfe4d7}
.panel--amber{background:var(--accent-bg);border-color:#f4dcae}

/* ---- Pasos ---------------------------------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step .n{width:40px;height:40px;border-radius:50%;background:var(--brand);color:#fff;font-family:var(--font-display);
  font-weight:600;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.step h3{font-size:1.05rem;margin-bottom:.3rem}
.step p{color:var(--muted);font-size:.93rem;margin:0}

/* ---- FAQ ------------------------------------------------------------------ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 4px}
.faq summary{cursor:pointer;list-style:none;padding:16px 18px;font-weight:600;color:var(--ink);
  font-family:var(--font-display);display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\ea5f";font-family:"tabler-icons";font-weight:400;color:var(--brand);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq p{padding:0 18px 16px;margin:0;color:var(--muted)}

/* ---- Banda CTA ------------------------------------------------------------ */
.cta-band{background:var(--brand);color:#eafff2;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#cde9d8;max-width:52ch;margin-left:auto;margin-right:auto}
.cta-band .btn--wa{box-shadow:0 10px 30px rgba(0,0,0,.18)}

/* ---- Zonas / chips -------------------------------------------------------- */
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.2rem}
.chip{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:.35rem .9rem;
  font-size:.88rem;color:var(--muted);font-weight:500}

/* ---- Contacto ------------------------------------------------------------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:1.1rem}
.contact-list li{display:flex;gap:.9rem;align-items:flex-start}
.contact-list .ic{width:44px;height:44px;border-radius:10px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex:none}
.contact-list b{color:var(--ink);font-family:var(--font-display)}
.contact-list span{color:var(--muted);font-size:.95rem}
.todo{color:#b25b00;background:#fff4e2;padding:.05rem .4rem;border-radius:4px;font-size:.85em;font-weight:600}

/* ---- Footer --------------------------------------------------------------- */
.site-footer{background:var(--brand-dark);color:#a9c6b6;padding:56px 0 26px;font-size:.94rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer .brand{color:#fff;display:inline-block;margin-bottom:.6rem}
.site-footer h4{color:#fff;font-family:var(--font-display);font-size:1rem;margin:0 0 1rem}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer-links a{color:#a9c6b6}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid #1e4d34;margin-top:40px;padding-top:22px;display:flex;
  justify-content:space-between;gap:1rem;flex-wrap:wrap;color:#7fa38d;font-size:.86rem}

/* ---- Botón flotante WhatsApp ---------------------------------------------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;display:inline-flex;align-items:center;gap:.6rem;
  background:var(--wa);color:#08361a;font-weight:600;padding:.85rem 1.15rem;border-radius:50px;
  box-shadow:0 8px 24px rgba(0,0,0,.22);transition:transform .15s ease,background .2s ease}
.wa-float:hover{background:var(--wa-dark);color:#08361a;transform:translateY(-2px);text-decoration:none}
.wa-float i{font-size:1.4rem}

/* ---- Página interna: encabezado breadcrumb -------------------------------- */
.page-hero{background:var(--brand-dark);color:#eafff2;padding:60px 0}
.page-hero .eyebrow{color:#7fc79b}
.page-hero h1{color:#fff;max-width:20ch}
.page-hero p{color:#bcd6c8;font-size:1.12rem;max-width:56ch;margin-top:1rem}
.crumbs{font-size:.85rem;color:#8fb6a0;margin-bottom:1.2rem}
.crumbs a{color:#8fb6a0}
.crumbs a:hover{color:#fff}

.prose h2{margin-top:2.4rem}
.prose h3{margin-top:1.6rem;color:var(--brand)}
.prose ul{padding-left:1.2rem;color:var(--text)}
.prose li{margin-bottom:.5rem}

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width:960px){
  .split,.contact-grid{grid-template-columns:1fr;gap:28px}
  .grid--3,.grid--4,.steps,.footer-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(2){border-right:0}
}
/* El nav horizontal no entra por debajo de ~900px: pasa a hamburguesa */
@media (max-width:900px){
  .nav-links{position:fixed;inset:70px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-140%);transition:transform .25s ease;height:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-links li{padding:0 22px}
  .nav-links a{display:block;padding:.85rem 0;border-bottom:1px solid var(--surface-alt)}
  .nav-links .nav-cta{margin:.6rem 0;justify-content:center}
  .nav-toggle{display:block}
  .nav-links{max-height:calc(100vh - 70px);overflow-y:auto;padding-bottom:14px}
  .nav-links .has-sub{position:static}
  .nav-links .has-sub::after{display:none}
  .sub-toggle{width:100%;padding:1.1rem 0 .5rem;color:var(--muted);font-size:.72rem;font-weight:600;
    letter-spacing:1.3px;text-transform:uppercase;pointer-events:none}
  .sub-toggle i{display:none}
  .nav-links .sub{position:static;opacity:1;visibility:visible;transform:none;background:transparent;
    border:0;box-shadow:none;padding:0;min-width:0;border-radius:0}
  .nav-links .sub::before{display:none}
  .nav-links .sub a{padding:.65rem 0;border-radius:0;border-bottom:1px solid var(--surface-alt)}
  .nav-links .sub a:hover{background:transparent}
  .nav-links .sub a:hover .si{background:var(--brand-light);color:var(--brand)}
  .nav-links .sub b{white-space:normal}
  .nav-links .sub small{white-space:normal}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .grid--3,.grid--4,.grid--2,.steps,.footer-grid,.trust-grid{grid-template-columns:1fr}
  .trust-item{border-right:0;border-bottom:1px solid #1e4d34}
  .hero-actions .btn{width:100%;justify-content:center}
  .wa-float span{display:none}
  .wa-float{padding:.9rem}
}