/* ==========================================================
   Tecnidoor — hoja de estilos
   Paleta: azul marino + naranja industrial
   ========================================================== */
:root{
  --navy:#0e1a2b;
  --navy-2:#16263d;
  --ink:#1b2432;
  --muted:#5c6878;
  --line:#e3e8ef;
  --bg:#f5f7fa;
  --white:#fff;
  --accent:#e3141c;
  --accent-d:#b50d14;
  --accent-soft:#fdeaea;
  --ok:#1f9d55;
  --radius:14px;
  --shadow:0 8px 30px rgba(14,26,43,.08);
  --shadow-lg:0 20px 50px rgba(14,26,43,.16);
  --max:1180px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.6;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.section{padding:84px 0}
.section.alt{background:var(--bg)}
.section.dark{background:var(--navy);color:#dfe6f0}
.section.dark h2,.section.dark h3{color:#fff}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-d);margin-bottom:12px}
.dark .eyebrow{color:var(--accent)}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.dark .lead{color:#b9c4d3}
.center{text-align:center}
.center .lead{margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#fff;padding:10px 14px;border-radius:8px;z-index:999}
.skip:focus{left:8px}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:.2s;cursor:pointer;font-size:1rem;line-height:1}
.btn svg{width:20px;height:20px;flex:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-1px)}
.btn-outline{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2)}
.btn-wa{background:#25d366;color:#fff}
.btn-wa:hover{background:#1ebe5a}
.btn-ghost{color:var(--navy);border-color:var(--line);background:#fff}
.btn-ghost:hover{border-color:var(--navy)}

/* Header */
.topbar{background:#060d18;color:#c9d3e0;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:16px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar span{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.topbar svg{width:15px;height:15px;flex:none;color:var(--accent)}
.header{position:sticky;top:0;z-index:50;background:rgba(14,26,43,.96);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.45rem;letter-spacing:-.02em;color:var(--navy)}
.logo img{height:46px;width:auto}
.footer .logo img{height:54px}
.logo em{font-style:normal;color:var(--accent)}
.nav{display:flex;gap:4px;align-items:center}
.nav a{text-decoration:none;font-weight:600;color:#e6ecf4;padding:10px 12px;border-radius:8px;font-size:.95rem;white-space:nowrap}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav .btn{padding:11px 20px;margin-left:8px}
.burger{display:none;background:none;border:0;width:44px;height:44px;border-radius:10px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px auto;transition:.2s}
@media (max-width:980px){
  .nav{position:fixed;inset:76px 0 auto 0;background:var(--navy);flex-direction:column;align-items:stretch;padding:16px 22px 24px;border-bottom:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-lg);transform:translateY(-120%);transition:.25s;}
  .nav.open{transform:none}
  .nav a{padding:14px}
  .nav .btn{margin:8px 0 0;justify-content:center}
  .burger{display:block}
  .topbar .hide-m{display:none}
}

/* Hero */
.hero{background:radial-gradient(1200px 600px at 80% -10%,#24395a 0%,var(--navy) 55%);border-top:1px solid rgba(255,255,255,.06);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -40% auto;width:60%;height:80%;background:radial-gradient(closest-side,rgba(227,20,28,.22),transparent 70%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center;padding-top:72px;padding-bottom:72px;position:relative;z-index:1}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{color:#c9d3e0;font-size:1.2rem;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;margin:0;list-style:none;font-size:.95rem;color:#dfe6f0}
.trust li{display:flex;align-items:center;gap:8px}
.trust svg{width:18px;height:18px;color:var(--accent)}
.hero-media{position:relative}
.hero-media img{border-radius:20px;box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-badge{position:absolute;left:-18px;bottom:-18px;background:#fff;color:var(--navy);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-lg);display:flex;gap:12px;align-items:center}
.hero-badge strong{display:block;font-size:1.4rem;line-height:1}
.hero-badge small{color:var(--muted);font-size:.8rem}
.hero-badge .stars{color:#f5b301;letter-spacing:1px}
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}
  .hero-media{margin-top:8px}
  .hero-badge{left:12px;bottom:-14px}
}

/* Marcas strip */
.brands-strip{background:var(--bg);border-bottom:1px solid var(--line)}
.brands-strip .wrap{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;align-items:center;padding-top:22px;padding-bottom:22px}
.brands-strip span{font-weight:800;letter-spacing:.08em;color:#8a96a6;font-size:.95rem}
.brands-strip .label{color:var(--muted);font-weight:600;letter-spacing:0;font-size:.9rem;margin-right:6px}

/* Grid de tarjetas */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 1px 0 rgba(14,26,43,.02);transition:.2s;height:100%}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.card .icon{width:54px;height:54px;border-radius:14px;background:var(--accent-soft);color:var(--accent-d);display:grid;place-items:center;margin-bottom:18px}
.card .icon svg{width:28px;height:28px}
.card p{color:var(--muted);margin:0}
.card h3{margin-bottom:8px}
.card a.more{display:inline-block;margin-top:14px;font-weight:700;color:var(--accent-d);text-decoration:none}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head .lead{margin:0}

/* Tipos de puertas */
.types{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
@media (max-width:980px){.types{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){.types{grid-template-columns:repeat(2,1fr)}}
.type{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;text-align:center}
.type svg{width:44px;height:44px;color:var(--navy);margin:0 auto 12px}
.type h3{font-size:1rem;margin:0 0 4px}
.type p{font-size:.88rem;color:var(--muted);margin:0}

/* Quiénes somos */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
@media (max-width:900px){.about{grid-template-columns:1fr;gap:32px}}
.about img{border-radius:20px;box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover}
.about ul{padding-left:0;list-style:none;margin:18px 0 26px}
.about li{display:flex;gap:10px;margin-bottom:10px}
.about li svg{width:22px;height:22px;color:var(--ok);flex:none;margin-top:3px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.stat{background:var(--navy);color:#fff;border-radius:var(--radius);padding:20px 16px;text-align:center}
.stat strong{display:block;font-size:1.7rem;line-height:1.1;color:var(--accent);white-space:nowrap}
.stat small{color:#b9c4d3;font-size:.82rem}
@media (max-width:600px){.stats{grid-template-columns:1fr 1fr}.stat:last-child{grid-column:1/-1}}

/* Marcas */
.brands{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:900px){.brands{grid-template-columns:repeat(2,1fr)}}
.brand{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;text-align:center;text-decoration:none;color:var(--navy);font-weight:800;letter-spacing:.1em;font-size:1.05rem;transition:.2s}
.brand small{display:block;font-weight:500;letter-spacing:0;color:var(--muted);font-size:.8rem;margin-top:6px}
.brand:hover{border-color:var(--accent);box-shadow:var(--shadow)}

/* Trabajos */
.work{position:relative;border-radius:var(--radius);overflow:hidden;text-decoration:none;color:#fff;background:var(--navy);display:block;aspect-ratio:4/3}
.work img{width:100%;height:100%;object-fit:cover;transition:.4s;opacity:.95}
.work:hover img{transform:scale(1.05);opacity:1}
.work .cap{position:absolute;inset:auto 0 0 0;padding:70px 20px 20px;background:linear-gradient(transparent,rgba(14,26,43,.92))}
.work .cap span{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:700}
.work .cap h3{margin:4px 0 0;font-size:1.08rem;color:#fff}

/* Zonas */
.zones{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.zones span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:8px 16px;font-weight:600;font-size:.95rem}
.zones span.main{background:var(--accent);border-color:var(--accent);color:#fff}

/* Ofertas */
.offer{background:linear-gradient(135deg,#fff 0%,var(--accent-soft) 100%);border:1px solid #f5c2c4}
.offer .tag{display:inline-block;background:var(--accent);color:#fff;border-radius:999px;font-size:.78rem;font-weight:700;padding:4px 12px;margin-bottom:12px;letter-spacing:.06em}

/* Testimonios */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;height:100%;display:flex;flex-direction:column}
.quote .stars{color:#f5b301;letter-spacing:2px;margin-bottom:10px}
.quote p{flex:1;color:var(--ink)}
.quote footer{font-weight:700;color:var(--navy)}
.quote footer small{display:block;font-weight:500;color:var(--muted)}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--accent);line-height:1;flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:18px;margin:0}

/* Contacto */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
.contact-info ul{list-style:none;padding:0;margin:20px 0}
.contact-info li{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.contact-info li svg{width:22px;height:22px;color:var(--accent);flex:none;margin-top:3px}
.contact-info a{color:var(--navy);text-decoration:none;font-weight:600}
.contact-info strong{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:10px}
.map iframe{width:100%;height:260px;border:0;display:block}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;padding:13px 14px;border:1px solid #cfd6df;border-radius:10px;font:inherit;font-size:1rem;margin-bottom:16px;background:#fff}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:600px){.form .row{grid-template-columns:1fr}}
.form .check{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted);margin-bottom:18px}
.form .check input{width:auto;margin:4px 0 0}
.form .btn{width:100%;justify-content:center}
.form small.note{display:block;margin-top:12px;color:var(--muted);font-size:.82rem;text-align:center}

/* CTA band */
.cta-band{background:var(--accent);color:#fff}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:40px;padding-bottom:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:1.6rem;margin:0}
.cta-band p{margin:4px 0 0;color:#fff3e8}
.cta-band .btn-dark{background:var(--navy)}

/* Footer */
.footer{background:var(--navy);color:#b9c4d3;padding:64px 0 28px;font-size:.95rem}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
@media (max-width:900px){.footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.footer .cols{grid-template-columns:1fr}}
.footer h4{color:#fff;font-size:1rem;margin-bottom:14px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:9px}
.footer a{color:#dfe6f0;text-decoration:none}
.footer a:hover{color:var(--accent)}
.footer .logo{color:#fff;margin-bottom:12px}
.footer .social{display:flex;gap:10px;margin-top:14px}
.footer .social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center}
.footer .social svg{width:20px;height:20px}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem;color:#8a96a6}
.footer .bottom a{color:#b9c4d3}

/* WhatsApp flotante */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;background:#25d366;color:#fff;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.25);transition:.2s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px}

/* Cookies */
.cookie{position:fixed;left:18px;right:18px;bottom:18px;z-index:70;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-lg);display:none;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;max-width:720px;margin:0 auto;font-size:.9rem}
.cookie.show{display:flex}
.cookie p{margin:0;color:var(--muted)}
.cookie .btns{display:flex;gap:8px}
.cookie .btn{padding:10px 16px;font-size:.9rem}

/* Páginas interiores */
.page-hero{background:var(--navy);color:#fff;padding:56px 0 48px}
.page-hero h1{color:#fff;margin-bottom:10px;font-size:clamp(1.8rem,3.6vw,2.7rem)}
.page-hero .lead{color:#c9d3e0;margin:0}
.crumbs{list-style:none;padding:0;margin:0 0 18px;display:flex;flex-wrap:wrap;gap:6px;font-size:.88rem;color:#b9c4d3}
.crumbs a{color:#fff;text-decoration:none}
.crumbs li+li::before{content:"/";margin-right:6px;color:#6f7d90}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}}
.gallery img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%;border:1px solid var(--line)}
.project-body{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:900px){.project-body{grid-template-columns:1fr}}
.aside{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:sticky;top:96px}
.aside h3{font-size:1.05rem}
.aside dl{margin:0 0 18px}
.aside dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700;margin-top:12px}
.aside dd{margin:2px 0 0;font-weight:600}
.aside .btn{width:100%;justify-content:center;margin-top:8px}
.prose{max-width:800px}
.prose h2{font-size:1.5rem;margin-top:1.8em}
.prose ul{padding-left:1.2em}
.legal p,.legal li{color:var(--ink)}
.notice{background:var(--accent-soft);border-left:4px solid var(--accent);padding:12px 16px;border-radius:8px;font-size:.92rem;color:#7a1014;margin:0 0 24px}