:root{
  --navy:#0f2942;
  --navy-2:#163a5f;
  --blue:#1e6091;
  --blue-light:#2a7fb8;
  --gold:#c8a45c;
  --gold-light:#dcc088;
  --ink:#16222e;
  --muted:#5d6b78;
  --bg:#ffffff;
  --bg-soft:#f4f7fa;
  --line:#e3e9ef;
  --shadow:0 10px 40px rgba(15,41,66,.10);
  --shadow-sm:0 4px 18px rgba(15,41,66,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Playfair Display',Georgia,serif;line-height:1.2;color:var(--navy)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;padding:14px 28px;border-radius:8px;transition:.25s;cursor:pointer;border:none}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-light);transform:translateY(-2px);box-shadow:0 8px 22px rgba(200,164,92,.35)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* HEADER */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Playfair Display',serif;font-weight:700;font-size:22px;color:var(--navy)}
.brand img{height:42px;width:auto}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink);transition:.2s}
.nav-links a:hover{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:18px}
.nav-phone{font-weight:600;color:var(--navy);font-size:15px;white-space:nowrap}
.burger{display:none;background:none;border:none;font-size:26px;color:var(--navy);cursor:pointer}

/* LANGUAGE SWITCHER */
.lang-switch{position:relative}
.lang-switch__btn{display:inline-flex;align-items:center;gap:7px;background:var(--bg-soft);border:1px solid var(--line);color:var(--navy);font-family:inherit;font-size:14px;font-weight:600;padding:8px 12px;border-radius:8px;cursor:pointer;transition:.2s}
.lang-switch__btn:hover{border-color:var(--blue);background:#fff}
.lang-switch__btn .caret{font-size:10px;opacity:.6}
.lang-switch__menu{position:absolute;right:0;top:calc(100% + 8px);min-width:170px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-sm);padding:6px;display:none;flex-direction:column;gap:2px;z-index:70}
.lang-switch__menu.open{display:flex}
.lang-switch__opt{display:flex;align-items:center;gap:10px;width:100%;background:none;border:none;font-family:inherit;font-size:14.5px;color:var(--ink);text-align:left;padding:9px 11px;border-radius:7px;cursor:pointer;transition:.15s}
.lang-switch__opt:hover{background:var(--bg-soft)}
.lang-switch__opt[aria-current="true"]{background:rgba(30,96,145,.10);color:var(--navy);font-weight:600}
.lang-switch__opt .fl{font-size:18px;line-height:1}

/* HERO */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,var(--blue) 130%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(200,164,92,.14),transparent 45%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding:80px 0}
.hero-tag{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold-light);border:1px solid rgba(200,164,92,.4);padding:6px 14px;border-radius:30px;margin-bottom:22px}
.hero h1{color:#fff;font-size:clamp(34px,4.6vw,52px);margin-bottom:20px}
.hero p{font-size:18px;color:rgba(255,255,255,.85);max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero-stats .num{font-family:'Playfair Display',serif;font-size:30px;font-weight:700;color:var(--gold-light)}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.7)}

/* FORM CARD */
.quote-card{background:#fff;border-radius:16px;padding:34px;box-shadow:var(--shadow);color:var(--ink)}
.quote-card h3{font-size:22px;margin-bottom:6px}
.quote-card .sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--navy)}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:15px;background:var(--bg-soft);transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(30,96,145,.12)}
.field textarea{resize:vertical;min-height:80px}
.quote-card .btn{width:100%;justify-content:center;margin-top:6px}
.quote-card .btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.form-status{margin-top:12px;font-size:14px;line-height:1.4;min-height:1.2em;text-align:center}
.form-status.ok{color:#1a7f4b;font-weight:600}
.form-status.err{color:#c0392b;font-weight:600}

/* Botón en estado de carga: oculta el texto y muestra un spinner girando */
.btn.is-loading{color:transparent !important;pointer-events:none;position:relative}
.btn.is-loading::after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2.5px solid rgba(15,41,66,.3);border-top-color:var(--navy);border-radius:50%;animation:btnspin .7s linear infinite}
@keyframes btnspin{to{transform:rotate(360deg)}}

/* Panel de confirmación tras enviar */
.quote-success{display:none;text-align:center;padding:20px 6px 8px}
.quote-success.show{display:block;animation:fadeup .45s ease}
@keyframes fadeup{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.quote-success .check{width:66px;height:66px;border-radius:50%;background:rgba(26,127,75,.12);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;animation:pop .4s ease .1s both}
@keyframes pop{0%{transform:scale(.6)}70%{transform:scale(1.08)}100%{transform:scale(1)}}
.quote-success .check svg{width:34px;height:34px;stroke:#1a7f4b;fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.quote-success h3{font-size:22px;margin-bottom:8px}
.quote-success p{color:var(--muted);font-size:15px;line-height:1.55}

/* SECTION */
section{padding:84px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 54px}
.sec-head .eyebrow{font-size:13px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.sec-head h2{font-size:clamp(28px,3.6vw,40px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}

/* CLIENTS */
.clients{background:var(--bg-soft);padding:56px 0}
.clients h4{text-align:center;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:34px}
.client-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:46px}
.client-row img{height:38px;width:auto;max-width:140px;object-fit:contain;filter:grayscale(1);opacity:.62;transition:.3s}
.client-row img:hover{filter:grayscale(0);opacity:1}

/* FEATURES */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;transition:.28s}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.feature .ic{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--navy));display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature .ic svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:1.8}
.feature h3{font-size:19px;margin-bottom:8px}
.feature p{font-size:14.5px;color:var(--muted)}

/* SERVICES / SPECIALTY */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.specialty-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.tag{background:var(--bg-soft);border:1px solid var(--line);color:var(--navy);font-size:14px;font-weight:500;padding:9px 16px;border-radius:30px}
.check-list{list-style:none;margin-top:18px}
.check-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:13px;font-size:15.5px;color:var(--ink)}
.check-list svg{flex-shrink:0;width:22px;height:22px;stroke:var(--gold);fill:none;stroke-width:2.2;margin-top:2px}
.cert-card{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:18px;padding:44px;box-shadow:var(--shadow)}
.cert-card .seal{width:74px;height:74px;border-radius:50%;border:2px solid var(--gold);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.cert-card .seal svg{width:36px;height:36px;stroke:var(--gold);fill:none;stroke-width:1.6}
.cert-card h3{color:#fff;font-size:24px;margin-bottom:12px}
.cert-card p{color:rgba(255,255,255,.82);font-size:15.5px;margin-bottom:10px}
.cert-card .badge{display:inline-block;margin-top:14px;background:rgba(200,164,92,.16);border:1px solid rgba(200,164,92,.4);color:var(--gold-light);font-size:13px;font-weight:600;padding:7px 16px;border-radius:8px}

/* LANGUAGES */
.langs{background:var(--navy);color:#fff}
.langs .sec-head h2{color:#fff}
.langs .sec-head p{color:rgba(255,255,255,.7)}
.lang-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;max-width:880px;margin:0 auto}
.lang{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:22px 10px;text-align:center;transition:.25s}
.lang:hover{background:rgba(200,164,92,.14);border-color:var(--gold)}
.lang .fl{font-size:30px;display:block;margin-bottom:8px}
.lang .nm{font-size:14px;font-weight:600}
.langs .note{text-align:center;margin-top:26px;font-size:14px;color:rgba(255,255,255,.6)}

/* CTA BAND */
.cta-band{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:var(--navy);text-align:center}
.cta-band h2{color:var(--navy);font-size:clamp(26px,3.4vw,38px);margin-bottom:14px}
.cta-band p{font-size:17px;color:#5a4a28;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-2px)}

/* FOOTER */
footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:36px}
.foot-grid img{height:46px;margin-bottom:16px}
.foot-grid p{font-size:14.5px;line-height:1.7}
.foot-grid h5{color:#fff;font-size:15px;margin-bottom:16px;font-family:'Inter',sans-serif;font-weight:600}
.foot-grid a{display:block;font-size:14.5px;margin-bottom:10px;color:rgba(255,255,255,.72);transition:.2s}
.foot-grid a:hover{color:var(--gold-light)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* WHATSAPP FLOAT */
.wa{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.45);transition:.25s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:32px;height:32px;fill:#fff}

/* MODAL DE COTIZACIÓN */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:flex-start;justify-content:center;padding:24px 16px;overflow-y:auto}
.modal.open{display:flex}
.modal__overlay{position:fixed;inset:0;background:rgba(15,41,66,.55);backdrop-filter:blur(3px)}
.modal__dialog{position:relative;background:#fff;border-radius:16px;box-shadow:var(--shadow);width:100%;max-width:460px;margin:auto;padding:30px 28px;animation:fadeup .35s ease}
.modal__close{position:absolute;top:10px;right:12px;background:none;border:none;font-size:30px;line-height:1;color:var(--muted);cursor:pointer;width:38px;height:38px;border-radius:8px;transition:.2s}
.modal__close:hover{background:var(--bg-soft);color:var(--navy)}
.modal-body h3{font-size:22px;margin-bottom:6px}
.modal-body .sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.modal-body .btn{width:100%;justify-content:center;margin-top:6px}
body.modal-open{overflow:hidden}

@media(max-width:900px){
  .hero-grid,.split{grid-template-columns:1fr;gap:40px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .lang-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-phone{display:none}
  .burger{display:block}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  section{padding:56px 0}

  /* Header más limpio: el botón "Cotizar" ya está en el hero y en el menú */
  .nav{height:64px}
  .nav-cta{gap:10px}
  .nav .btn-gold{display:none}
  .brand img{height:36px}

  /* Hero más compacto y botones a ancho completo (mejor para tocar) */
  .hero-grid{padding:44px 0 52px;gap:32px}
  .hero h1{font-size:30px}
  .hero p{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-stats{gap:22px;margin-top:32px}
  .hero-stats .num{font-size:26px}

  /* Tarjeta de cotización con más aire */
  .quote-card{padding:24px 20px}

  /* Encabezados de sección */
  .sec-head{margin-bottom:36px}
  .sec-head h2{font-size:26px}
  .cert-card{padding:30px 24px}

  /* Grids a una columna */
  .feature-grid{grid-template-columns:1fr}
  .lang-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}

  /* Banda CTA: botones apilados a ancho completo */
  .cta-band .wrap > div{flex-direction:column}
  .cta-band .btn{width:100%;justify-content:center}

  /* Botón flotante de WhatsApp un poco más chico y pegado a la esquina */
  .wa{width:52px;height:52px;right:16px;bottom:16px}
  .wa svg{width:28px;height:28px}
}