/* ==========================================================================
   Santos Diseño y Remodelaciones — hoja de estilo del sitio público
   Paleta tomada del logotipo: negro carbón, oro y plata.
   ========================================================================== */

:root{
  --black:#141414; --black-2:#1c1c1c; --black-3:#232323;
  --gold:#C89B3C; --gold-lt:#E8CE8F; --gold-dk:#9A742A;
  --silver:#E8E8E8; --grey:#9A9A9A; --line:rgba(200,155,60,.22);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Jost',-apple-system,'Segoe UI',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--black);color:var(--silver);font-family:var(--sans);font-weight:300;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.gold{background:linear-gradient(135deg,var(--gold-dk),var(--gold-lt) 45%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:.01em;line-height:1.15}
.eyebrow{font-size:.68rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:500;margin-bottom:18px}
.sec{padding:110px 0;position:relative}
.sec-t{font-size:clamp(2rem,4.2vw,3.1rem);margin-bottom:20px}
.lead{color:var(--grey);font-size:1.05rem;max-width:640px}
.hp{position:absolute;left:-9999px}

/* --------------------------- Navegación --------------------------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:20px 0;transition:.35s;border-bottom:1px solid transparent}
nav.stuck{background:rgba(20,20,20,.94);backdrop-filter:blur(14px);padding:12px 0;border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{display:flex;align-items:center;gap:12px}
.logo svg{width:34px;height:34px;flex:none}
.logo-t{font-family:var(--serif);font-size:1.5rem;letter-spacing:.16em;line-height:1}
.logo-s{font-size:.5rem;letter-spacing:.2em;color:var(--grey);text-transform:uppercase;margin-top:3px}
.nav-l{display:flex;gap:34px;align-items:center;font-size:.82rem;letter-spacing:.06em}
.nav-l a{color:var(--silver);opacity:.8;transition:.25s;position:relative;padding:4px 0}
.nav-l a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:.3s}
.nav-l a:hover{opacity:1}
.nav-l a:hover::after{width:100%}
.burger{display:none;background:none;border:0;color:var(--silver);font-size:1.5rem;cursor:pointer}
.nav-movil{display:none;flex-direction:column;background:rgba(20,20,20,.98);border-top:1px solid var(--line);padding:14px 28px}
.nav-movil.abierto{display:flex}
.nav-movil a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05);font-size:.9rem}

/* --------------------------- Botones --------------------------- */
.btn{display:inline-block;padding:13px 30px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;border:1px solid var(--gold);color:var(--gold);transition:.3s;cursor:pointer;background:none;font-family:var(--sans)}
.btn:hover{background:var(--gold);color:var(--black)}
.btn-f{background:linear-gradient(135deg,var(--gold-dk),var(--gold));color:var(--black);border-color:transparent}
.btn-f:hover{background:var(--gold-lt);color:var(--black)}

/* --------------------------- Hero --------------------------- */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:100px}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 72% 40%,rgba(200,155,60,.13),transparent 65%),linear-gradient(180deg,#111,#181818 60%,#141414)}
.hero::after{content:'';position:absolute;inset:0;opacity:.05;background-image:linear-gradient(rgba(200,155,60,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(200,155,60,.5) 1px,transparent 1px);background-size:70px 70px;mask-image:radial-gradient(ellipse at 70% 45%,#000,transparent 70%)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.18;filter:grayscale(.3)}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;width:100%}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);margin:24px 0 26px}
.hero h1 em{font-style:italic;display:block}
.hero p{font-size:1.12rem;color:var(--grey);max-width:520px;margin-bottom:38px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.proof{display:flex;gap:38px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--line)}
.proof div span{display:block;font-family:var(--serif);font-size:2.1rem;color:var(--gold-lt);line-height:1}
.proof div small{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
.hero-art{position:relative;aspect-ratio:3/4;border:1px solid var(--line);background:linear-gradient(160deg,#1e1e1e,#141414);overflow:hidden}
.hero-art img{width:100%;height:100%;object-fit:cover}
.hero-art .ph{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;color:#4a4a4a;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;text-align:center;padding:20px}
.hero-art .ph svg{width:110px;height:100px;opacity:.28}
.badge{position:absolute;bottom:0;left:0;right:0;background:rgba(20,20,20,.92);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:18px 22px;font-size:.78rem;color:var(--grey)}
.badge b{color:var(--gold-lt);font-weight:500;display:block;font-size:.88rem;margin-bottom:2px}

/* --------------------------- Barra de confianza --------------------------- */
.trust{background:var(--black-2);border-block:1px solid var(--line);padding:34px 0}
.trust-g{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.trust-g .ic{font-size:1.4rem;color:var(--gold);margin-bottom:8px}
.trust-g strong{display:block;font-weight:500;font-size:.9rem;letter-spacing:.03em}
.trust-g small{color:var(--grey);font-size:.75rem}

/* --------------------------- Sección de empatía --------------------------- */
.pain{background:var(--black-2)}
.pain-in{max-width:820px;margin:0 auto;text-align:center}
.pain q{display:block;font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.2rem);font-style:italic;color:var(--silver);margin-bottom:30px;quotes:none;line-height:1.4}
.pain p{color:var(--grey);font-size:1.02rem;max-width:640px;margin:0 auto 16px}
.pain p b{color:var(--gold-lt);font-weight:400}

/* --------------------------- Tarjetas --------------------------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
.card{background:var(--black-2);border:1px solid rgba(255,255,255,.06);padding:36px 30px;transition:.35s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--gold-dk),var(--gold-lt));transition:.4s}
.card:hover{border-color:var(--line);transform:translateY(-4px)}
.card:hover::before{width:100%}
.card .n{font-family:var(--serif);font-size:2.4rem;color:var(--gold);opacity:.35;line-height:1;margin-bottom:14px}
.card h3{font-size:1.35rem;margin-bottom:12px}
.card p{color:var(--grey);font-size:.92rem;margin-bottom:20px}
.dl{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);border-bottom:1px solid var(--line);padding-bottom:3px;transition:.25s;display:inline-block}
.dl:hover{border-color:var(--gold)}

/* --------------------------- Servicios --------------------------- */
.tabs{display:flex;gap:8px;margin-top:34px;flex-wrap:wrap}
.tab{padding:10px 26px;border:1px solid rgba(255,255,255,.12);background:none;color:var(--grey);font-family:var(--sans);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:.25s}
.tab.on{border-color:var(--gold);color:var(--gold);background:rgba(200,155,60,.07)}
.serv{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.07);margin-top:34px}
.serv article{background:var(--black);padding:34px 28px;transition:.35s}
.serv article:hover{background:var(--black-3)}
.serv article.oculto{display:none}
.serv h3{font-size:1.18rem;margin-bottom:10px}
.serv article:hover h3{color:var(--gold-lt)}
.serv ul{list-style:none;font-size:.85rem;color:var(--grey);line-height:1.9}
.serv li::before{content:'—';color:var(--gold);opacity:.5;margin-right:8px}

/* --------------------------- Portafolio --------------------------- */
.port{background:var(--black-2)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
.pcard{border:1px solid rgba(255,255,255,.07);background:var(--black);overflow:hidden;transition:.35s;display:flex;flex-direction:column}
.pcard:hover{border-color:var(--line);transform:translateY(-4px)}
.ba{position:relative;aspect-ratio:4/3;overflow:hidden;cursor:ew-resize;user-select:none;background:#1a1a1a}
.ba-l,.ba-r{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba-r{clip-path:inset(0 0 0 50%)}
.ba-vacio{display:flex;align-items:center;justify-content:center;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase}
.ba-l.ba-vacio{background:linear-gradient(135deg,#2a2724,#1b1917);color:#6b6154}
.ba-r.ba-vacio{background:linear-gradient(135deg,#3a3222,#241f16);color:var(--gold)}
.ba-h{position:absolute;top:0;bottom:0;left:50%;width:1px;background:var(--gold);pointer-events:none}
.ba-h::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:34px;height:34px;border:1px solid var(--gold);border-radius:50%;background:rgba(20,20,20,.8)}
.ba-tag{position:absolute;top:12px;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;padding:4px 10px;background:rgba(20,20,20,.75);color:var(--grey);pointer-events:none}
.ba-tag.a{left:12px}
.ba-tag.b{right:12px;color:var(--gold)}
.pbody{padding:26px 24px;flex:1}
.pbody h3{font-size:1.18rem;margin-bottom:8px}
.pbody h3 a:hover{color:var(--gold-lt)}
.pmeta{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);opacity:.75;margin-bottom:16px}
.presumen{font-size:.88rem;color:var(--grey)}
.imp{border-left:2px solid var(--gold-dk);padding:12px 0 12px 16px;background:rgba(200,155,60,.04)}
.imp span{display:block;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.imp p{font-size:.86rem;color:var(--grey);line-height:1.6}

/* --------------------------- Proceso --------------------------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;position:relative}
.steps::before{content:'';position:absolute;top:26px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,var(--gold-dk),var(--gold-dk),transparent)}
.step{text-align:center;padding:0 22px;position:relative}
.step .dot{width:52px;height:52px;border:1px solid var(--gold);border-radius:50%;background:var(--black);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-family:var(--serif);font-size:1.4rem;color:var(--gold);position:relative;z-index:2}
.step h3{font-size:1.22rem;margin-bottom:10px}
.step p{font-size:.9rem;color:var(--grey)}
.clause{margin-top:52px;border:1px solid var(--line);background:rgba(200,155,60,.045);padding:26px 30px;display:flex;gap:20px;align-items:flex-start}
.clause .ic{color:var(--gold);font-size:1.2rem;flex:none}
.clause p{font-size:.92rem;color:var(--grey)}
.clause b{color:var(--gold-lt);font-weight:400}

/* --------------------------- Cotizador --------------------------- */
.quote{background:linear-gradient(180deg,var(--black-2),var(--black))}
.qbox{max-width:720px;margin:48px auto 0;border:1px solid var(--line);background:var(--black)}
.qbar{height:2px;background:rgba(255,255,255,.07)}
.qbar i{display:block;height:100%;width:20%;background:linear-gradient(90deg,var(--gold-dk),var(--gold-lt));transition:.45s}
.qin{padding:46px 46px 40px}
.qstep{display:none}
.qstep.on{display:block;animation:aparecer .4s}
@keyframes aparecer{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.qnum{font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.qstep h3{font-size:1.7rem;margin-bottom:28px}
.qstep h3 small{font-size:.8rem;color:var(--grey);font-family:var(--sans)}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.opt{border:1px solid rgba(255,255,255,.1);padding:16px 20px;cursor:pointer;transition:.25s;font-size:.92rem;display:flex;align-items:center;gap:12px}
.opt::before{content:'';width:9px;height:9px;border:1px solid var(--grey);flex:none;transition:.25s}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt:hover{border-color:var(--line)}
.opt.sel{border-color:var(--gold);background:rgba(200,155,60,.07);color:var(--gold-lt)}
.opt.sel::before{background:var(--gold);border-color:var(--gold)}
.flds{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld.full{grid-column:1/-1}
.fld label{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey)}
.fld input,.fld textarea{background:var(--black-2);border:1px solid rgba(255,255,255,.1);padding:12px 14px;color:var(--silver);font-family:var(--sans);font-size:.92rem;font-weight:300}
.fld input:focus,.fld textarea:focus{outline:0;border-color:var(--gold)}
.drop{grid-column:1/-1;border:1px dashed var(--line);padding:22px;text-align:center;color:var(--grey);font-size:.85rem;background:rgba(200,155,60,.03);cursor:pointer;display:block}
.drop b{display:block;color:var(--gold-lt);font-weight:400;margin-bottom:4px;font-size:.92rem}
.drop-nombres{display:block;margin-top:8px;font-size:.78rem;color:var(--gold)}
.qnav{display:flex;justify-content:space-between;align-items:center;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.07)}
.back{background:none;border:0;color:var(--grey);font-family:var(--sans);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;cursor:pointer}
.back:hover{color:var(--silver)}

/* --------------------------- Reseñas --------------------------- */
.rev{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.rcard{border:1px solid rgba(255,255,255,.07);padding:28px 26px;background:var(--black-2)}
.stars{color:var(--gold);letter-spacing:3px;margin-bottom:14px;font-size:.85rem}
.rcard p{font-size:.9rem;color:var(--grey);font-style:italic;margin-bottom:18px}
.rwho{display:flex;align-items:center;gap:12px;font-size:.88rem}
.av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--gold-dk),var(--gold-lt));display:flex;align-items:center;justify-content:center;color:var(--black);font-size:.8rem;font-weight:500;flex:none}
.rwho small{color:#666;font-size:.72rem;display:block}
.gscore{display:flex;align-items:center;gap:18px;margin-top:34px;justify-content:center;font-size:.85rem;color:var(--grey)}
.gscore b{font-family:var(--serif);font-size:2.2rem;color:var(--gold-lt);font-weight:400}

/* --------------------------- Avisos --------------------------- */
.aviso-ok{background:rgba(60,160,90,.12);border-bottom:1px solid rgba(60,160,90,.35);color:#8fdca9;padding:14px 0;font-size:.9rem;margin-top:76px}
.alerta-error{border:1px solid rgba(200,70,70,.4);background:rgba(200,70,70,.08);padding:16px 20px;margin-bottom:24px;color:#e59a9a;font-size:.86rem}
.alerta-error ul{list-style:none}

/* --------------------------- Mapa y pie --------------------------- */
.mapa iframe{width:100%;height:420px;border:0;filter:grayscale(1) invert(.92) contrast(.85)}
footer{background:#0e0e0e;border-top:1px solid var(--line);padding:70px 0 30px}
.fg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.fg h4{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:18px;font-family:var(--sans);font-weight:500}
.fg ul{list-style:none;font-size:.86rem;color:var(--grey);line-height:2.1}
.fg a:hover{color:var(--gold-lt)}
.f-desc{color:var(--grey);font-size:.88rem;max-width:300px}
.fbot{margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.06);display:flex;justify-content:space-between;font-size:.75rem;color:#5a5a5a;gap:16px;flex-wrap:wrap}
.wa{position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;z-index:90;box-shadow:0 6px 24px rgba(0,0,0,.5);transition:.3s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:28px;height:28px;fill:#fff}

/* --------------------------- Páginas internas --------------------------- */
.encabezado{padding:170px 0 70px;background:linear-gradient(180deg,#111,var(--black));border-bottom:1px solid var(--line)}
.contenido-texto{color:var(--grey);font-size:1rem;max-width:760px}
.contenido-texto p{margin-bottom:18px}
.contenido-texto h2,.contenido-texto h3{color:var(--silver);margin:34px 0 14px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:52px;list-style:none}
.pagination a,.pagination span{padding:9px 15px;border:1px solid rgba(255,255,255,.1);font-size:.82rem;color:var(--grey)}
.pagination .active span{border-color:var(--gold);color:var(--gold)}

/* --------------------------- Responsive --------------------------- */
@media(max-width:940px){
  .hero-in{grid-template-columns:1fr}
  .hero-art{display:none}
  .grid-3,.pgrid,.rev,.steps{grid-template-columns:1fr}
  .steps::before{display:none}
  .step{margin-bottom:34px}
  .trust-g{grid-template-columns:1fr 1fr;gap:26px}
  .fg{grid-template-columns:1fr 1fr}
  .nav-l{display:none}
  .burger{display:block}
  .opts,.flds{grid-template-columns:1fr}
  .qin{padding:32px 24px}
  .sec{padding:76px 0}
  .encabezado{padding:130px 0 50px}
}