/* ==========================================================================
   EDIFICIO 687 — Sistema de diseño
   ========================================================================== */
:root{
  --navy-900:#071229;
  --navy-800:#0b1a3a;
  --navy-700:#12264f;
  --navy-600:#1b3466;
  --brick:#c8643b;
  --brick-600:#b0532d;
  --sand:#e9d9c4;
  --cream:#f6f2ec;
  --paper:#ffffff;
  --ink:#0f1626;
  --muted:#5b6476;
  --muted-light:#aab4c8;
  --line:#e4e7ee;
  --line-dark:rgba(255,255,255,.12);
  --wa:#25d366;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px -20px rgba(7,18,41,.35);
  --shadow-sm:0 8px 30px -12px rgba(7,18,41,.25);
  --ease:cubic-bezier(.22,1,.36,1);
  --container:1220px;
  --serif:"Playfair Display",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:16.5px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,5vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.6vw,3rem)}
h3{font-size:clamp(1.25rem,1.8vw,1.55rem)}
p{margin:0 0 1.1em}
em.accent,h1 em,h2 em{font-style:italic;color:var(--brick)}
.on-dark h1 em,.on-dark h2 em{color:var(--sand)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.section{padding:clamp(72px,10vw,130px) 0;position:relative}
.section--cream{background:var(--cream)}
.section--navy{background:var(--navy-800);color:#fff}
.on-dark{color:#fff}
.on-dark p{color:#c9d1e2}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--brick);margin-bottom:18px}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor}
.on-dark .eyebrow{color:var(--sand)}
.lead{font-size:clamp(1.05rem,1.4vw,1.2rem);color:var(--muted)}
.on-dark .lead{color:#c9d1e2}
.center{text-align:center}
.center .eyebrow{justify-content:center}
.section-head{max-width:760px;margin:0 auto 60px}
.section-head.left{margin-left:0}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;z-index:999}
.skip:focus{left:12px;top:12px}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 28px;border-radius:999px;font-weight:600;font-size:.95rem;letter-spacing:.01em;border:1px solid transparent;cursor:pointer;transition:transform .4s var(--ease),background .3s,color .3s,box-shadow .4s,border-color .3s;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover{transform:translateY(-3px)}
.btn--brick{background:var(--brick);color:#fff;box-shadow:0 14px 30px -12px rgba(200,100,59,.7)}
.btn--brick:hover{background:var(--brick-600)}
.btn--navy{background:var(--navy-800);color:#fff}
.btn--navy:hover{background:var(--navy-700)}
.btn--ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--navy-800)}
.btn--outline{border-color:var(--navy-800);color:var(--navy-800)}
.btn--outline:hover{background:var(--navy-800);color:#fff}
.btn--wa{background:var(--wa);color:#06331a}
.btn--white{background:#fff;color:var(--navy-800)}
.btn--block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brick)}
.link-arrow svg{width:16px;transition:transform .35s var(--ease)}
.link-arrow:hover svg{transform:translateX(5px)}

/* Topbar + Header */
.topbar{background:var(--navy-900);color:#c9d1e2;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:42px}
.topbar a{display:inline-flex;align-items:center;gap:8px;transition:color .2s}
.topbar a:hover{color:#fff}
.topbar svg{width:14px;height:14px;opacity:.8}
.topbar__group{display:flex;gap:26px;align-items:center}
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.header.is-scrolled{border-color:var(--line);box-shadow:0 10px 30px -20px rgba(7,18,41,.3)}
.header .container{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:28px}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:700;font-size:1.35rem;color:var(--navy-800);letter-spacing:-.01em}
.logo__mark{width:44px;height:44px;border-radius:12px;background:var(--navy-800);color:#fff;display:grid;place-items:center;font-family:var(--sans);font-size:.85rem;font-weight:800;letter-spacing:.02em;position:relative;overflow:hidden}
.logo__mark::after{content:"";position:absolute;right:0;bottom:0;width:14px;height:14px;background:var(--brick)}
.logo small{display:block;font-family:var(--sans);font-size:.62rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.nav{display:flex;align-items:center;gap:6px}
.nav > a,.nav__drop > a{padding:10px 14px;font-size:.93rem;font-weight:500;color:var(--ink);border-radius:10px;position:relative;transition:color .2s}
.nav > a::after,.nav__drop > a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--brick);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav > a:hover::after,.nav > a[aria-current="page"]::after,.nav__drop > a:hover::after,.nav__drop > a[aria-current="page"]::after{transform:scaleX(1)}
.nav__drop{position:relative}
.nav__menu{position:absolute;top:100%;left:-10px;min-width:300px;background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .35s var(--ease);border:1px solid var(--line)}
.nav__drop:hover .nav__menu,.nav__drop:focus-within .nav__menu{opacity:1;visibility:visible;transform:none}
.nav__menu a{display:block;padding:10px 14px;border-radius:10px;font-size:.9rem;transition:background .2s,color .2s}
.nav__menu a:hover{background:var(--cream);color:var(--brick)}
.header__cta{display:flex;align-items:center;gap:12px}
.burger{display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;place-items:center}
.burger span{display:block;width:20px;height:2px;background:var(--navy-800);margin:4px auto;transition:transform .3s,opacity .3s}
.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-open .burger span:nth-child(2){opacity:0}
.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* HERO */
.hero{position:relative;min-height:calc(100vh - 126px);display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy-900);padding:80px 0}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg .media{position:absolute;inset:0;border-radius:0;animation:heroZoom 14s var(--ease) both}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,18,41,.94) 0%,rgba(7,18,41,.82) 42%,rgba(7,18,41,.45) 100%)}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero h1{color:#fff;margin-bottom:22px}
.hero h1 em{color:var(--sand)}
.hero__text .lead{color:#d3dae8;max-width:580px;margin-bottom:30px}
.hero__checks{list-style:none;padding:0;margin:0 0 36px;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;max-width:560px}
.hero__checks li{display:flex;gap:10px;align-items:center;font-size:.95rem;color:#e6ebf4}
.check-ico{width:22px;height:22px;border-radius:50%;background:rgba(200,100,59,.18);display:grid;place-items:center;flex:none}
.check-ico svg{width:12px;height:12px;color:var(--brick)}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__badge{display:inline-flex;align-items:center;gap:10px;padding:8px 16px 8px 8px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:.82rem;margin-bottom:26px;backdrop-filter:blur(8px)}
.hero__badge b{background:var(--brick);border-radius:999px;padding:4px 10px;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
.hero__scroll{position:absolute;left:50%;bottom:26px;z-index:3;transform:translateX(-50%);width:26px;height:42px;border:1.5px solid rgba(255,255,255,.4);border-radius:20px}
.hero__scroll::after{content:"";position:absolute;left:50%;top:8px;width:3px;height:8px;margin-left:-1.5px;background:#fff;border-radius:3px;animation:scrollDot 2s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@keyframes heroZoom{from{transform:scale(1.15)}to{transform:scale(1)}}

/* Formulario (tarjeta navy, estilo premium) */
.form-card{background:var(--navy-800);color:#fff;border-radius:24px;padding:38px 34px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);border:1px solid rgba(255,255,255,.08);position:relative}
.hero .form-card{background:rgba(11,26,58,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.form-card::before{content:"";position:absolute;top:0;left:34px;right:34px;height:3px;background:linear-gradient(90deg,var(--brick),var(--sand));border-radius:0 0 4px 4px}
.form-card h2,.form-card h3{color:#fff;font-size:1.75rem;margin-bottom:6px}
.form-card > p{color:#b8c3d9;font-size:.93rem;margin-bottom:24px}
.field{margin-bottom:16px}
.field label,.field .label{display:block;font-size:.7rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:#aab6cf;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;color:#fff;font-size:.95rem;transition:border-color .25s,background .25s,box-shadow .25s;appearance:none;-webkit-appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23c9d1e2' stroke-width='1.6'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.field select option{color:var(--ink)}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#7f8ba5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--sand);background:rgba(255,255,255,.1);box-shadow:0 0 0 4px rgba(233,217,196,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.chips{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips label{display:block;text-align:center;padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,.18);font-size:.9rem;cursor:pointer;transition:all .25s;letter-spacing:0;text-transform:none;color:#fff;font-weight:500;margin:0}
.chips input:checked + label{background:#fff;color:var(--navy-800);border-color:#fff}
.chips input:focus-visible + label{box-shadow:0 0 0 3px var(--sand)}
.form-note{font-size:.76rem;color:#8f9bb4;margin:14px 0 0;text-align:center}
.form-note a{text-decoration:underline}
.form-error{color:#ffb4a0;font-size:.8rem;margin-top:6px;display:none}
.field.invalid input,.field.invalid select{border-color:#ff8a6b}
.field.invalid .form-error{display:block}
.form-card .btn{margin-top:6px}

/* Banda de declaración */
.statement{background:var(--navy-800);color:#fff;padding:56px 0;text-align:center}
.statement p{font-family:var(--serif);font-size:clamp(1.35rem,2.4vw,2rem);line-height:1.35;max-width:900px;margin:0 auto;color:#fff}
.statement p em{color:var(--sand)}

/* Marquee de servicios */
.marquee{background:var(--brick);color:#fff;overflow:hidden;padding:18px 0;white-space:nowrap}
.marquee__track{display:inline-flex;gap:48px;animation:marquee 38s linear infinite;padding-left:48px}
.marquee span{font-family:var(--serif);font-size:1.25rem;font-style:italic;display:inline-flex;align-items:center;gap:48px}
.marquee span::after{content:"✦";font-style:normal;font-size:.9rem;opacity:.7}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Split (texto + imagen) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.split--reverse .split__media{order:2}
.split__media{position:relative}
.split__media .media{aspect-ratio:4/5;border-radius:var(--radius)}
.split__media .media--wide{aspect-ratio:5/4}
.split__tag{position:absolute;left:-28px;bottom:40px;background:#fff;border-radius:16px;padding:20px 24px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:center;max-width:280px}
.split__tag strong{display:block;font-family:var(--serif);font-size:1.15rem;color:var(--navy-800)}
.split__tag span{font-size:.82rem;color:var(--muted);line-height:1.4;display:block}
.split__tag .ico{width:48px;height:48px;border-radius:12px;background:var(--cream);display:grid;place-items:center;color:var(--brick);flex:none}
.split__tag .ico svg{width:24px;height:24px}
.split__frame{position:absolute;top:-22px;right:-22px;width:60%;height:60%;border:1.5px solid var(--brick);border-radius:var(--radius);z-index:-1}

/* Placeholder de imágenes (se reemplaza automáticamente al subir la foto real) */
.media{position:relative;overflow:hidden;background:linear-gradient(135deg,#1b3466 0%,#0b1a3a 55%,#2a1a14 100%);border-radius:var(--radius-sm);margin:0}
.media::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 34px),repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 68px);}
.media::after{content:attr(data-label);position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.45);text-align:center;width:80%;font-weight:600}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;transition:transform 1.2s var(--ease)}

/* Para quién trabajamos (iconos) */
.audience{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.audience__item{text-align:center;padding:40px 28px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:transform .5s var(--ease),box-shadow .5s}
.audience__item:hover{transform:translateY(-8px);box-shadow:var(--shadow-sm)}
.audience__icon{width:76px;height:76px;margin:0 auto 22px;border-radius:50%;background:var(--navy-800);color:#fff;display:grid;place-items:center;position:relative}
.audience__icon::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:1px dashed rgba(200,100,59,.6);animation:spin 18s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.audience__icon svg{width:32px;height:32px}
.audience__item h3{font-size:1.25rem}
.audience__item p{color:var(--muted);font-size:.95rem;margin:0}

/* Tarjetas de servicios */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.service-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;isolation:isolate;box-shadow:var(--shadow-sm)}
.service-card .media{position:absolute;inset:0;border-radius:0;z-index:-2}
.service-card::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(7,18,41,0) 25%,rgba(7,18,41,.92) 100%);transition:background .5s}
.service-card:hover::after{background:linear-gradient(180deg,rgba(7,18,41,.35) 0%,rgba(7,18,41,.96) 100%)}
.service-card:hover .media img{transform:scale(1.08)}
.service-card__body{padding:28px 26px}
.service-card__num{font-family:var(--serif);font-style:italic;color:var(--sand);font-size:.95rem;margin-bottom:8px;display:block}
.service-card h3{color:#fff;font-size:1.4rem;margin-bottom:8px}
.service-card p{font-size:.9rem;color:#c9d1e2;margin:0;max-height:0;opacity:0;overflow:hidden;transition:max-height .6s var(--ease),opacity .5s,margin .5s}
.service-card:hover p,.service-card:focus-visible p{max-height:140px;opacity:1;margin-bottom:14px}
.service-card__arrow{position:absolute;top:22px;right:22px;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);backdrop-filter:blur(6px);display:grid;place-items:center;transition:background .3s,transform .5s var(--ease)}
.service-card__arrow svg{width:18px;height:18px}
.service-card:hover .service-card__arrow{background:var(--brick);transform:rotate(45deg)}

/* Línea de tiempo (proceso) */
.timeline{position:relative;max-width:980px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:0;border-left:2px dashed rgba(255,255,255,.35);transform:translateX(-1px)}
.timeline__progress{position:absolute;left:50%;top:0;width:2px;background:var(--brick);transform:translateX(-1px);height:0;transition:height .2s linear}
.tl-item{display:grid;grid-template-columns:1fr 1fr;gap:80px;position:relative;padding:28px 0}
.tl-item__dot{position:absolute;left:50%;top:56px;width:30px;height:30px;border-radius:50%;background:#e8ecf4;transform:translate(-50%,0);border:6px solid var(--navy-800);box-shadow:0 0 0 2px rgba(255,255,255,.35);z-index:2;transition:background .4s}
.tl-item.is-visible .tl-item__dot{background:var(--brick)}
.tl-item__content{position:relative}
.tl-item:nth-child(odd) .tl-item__content{grid-column:1;text-align:right}
.tl-item:nth-child(even) .tl-item__content{grid-column:2}
.tl-item__content::after{content:"";position:absolute;top:43px;width:60px;border-top:2px dotted rgba(255,255,255,.55)}
.tl-item:nth-child(odd) .tl-item__content::after{right:-70px}
.tl-item:nth-child(even) .tl-item__content::after{left:-70px}
.tl-item__icon{width:64px;height:64px;color:#fff;margin-bottom:14px;display:inline-grid}
.tl-item:nth-child(odd) .tl-item__icon{margin-left:auto}
.tl-item__icon svg{width:56px;height:56px;stroke-width:1.3}
.tl-item h3{color:#fff;font-family:var(--sans);font-size:1.15rem;font-weight:700;margin-bottom:8px}
.tl-item h3 small{display:block;font-family:var(--serif);font-style:italic;font-weight:400;color:var(--sand);font-size:.9rem;margin-bottom:4px}
.tl-item p{color:#c9d1e2;margin:0;font-size:.97rem}

/* Lista de beneficios con línea vertical */
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px);align-items:center}
.vlist{list-style:none;margin:0;padding:10px 0 10px 0;position:relative}
.vlist::before{content:"";position:absolute;left:11px;top:16px;bottom:16px;width:2px;background:linear-gradient(var(--navy-800),var(--brick))}
.vlist li{position:relative;padding:12px 0 12px 48px;font-size:1.02rem}
.vlist li::before{content:"";position:absolute;left:0;top:16px;width:24px;height:24px;border-radius:50%;background:var(--navy-800);box-shadow:0 0 0 5px var(--cream)}
.vlist li::after{content:"";position:absolute;left:8px;top:24px;width:8px;height:8px;border-radius:50%;background:var(--sand)}
.vlist li strong{display:block;font-family:var(--serif);font-size:1.12rem;color:var(--navy-800)}
.vlist li span{color:var(--muted);font-size:.94rem}

/* Galería de diseños / proyectos */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.project{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;display:block;color:#fff;isolation:isolate}
.project .media{position:absolute;inset:0;border-radius:0}
.project:hover .media img{transform:scale(1.07)}
.project__label{position:absolute;left:18px;bottom:18px;right:18px;z-index:2;background:rgba(7,18,41,.62);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:14px;padding:18px 56px 18px 20px;transition:background .4s}
.project__label strong{font-family:var(--serif);font-size:1.2rem;display:block;line-height:1.2}
.project__label span{font-size:.8rem;color:#c9d1e2}
.project__label svg{position:absolute;right:18px;top:50%;width:22px;height:22px;transform:translateY(-50%);transition:transform .4s var(--ease)}
.project:hover .project__label{background:rgba(200,100,59,.88)}
.project:hover .project__label svg{transform:translate(4px,-50%) rotate(-45deg)}

/* Instagram */
.ig-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.ig-grid .instagram-media{min-width:0!important;max-width:100%!important;width:100%!important;margin:0!important;border-radius:16px!important;box-shadow:var(--shadow-sm)!important;border:1px solid var(--line)!important}
.ig-card{display:block;border-radius:16px;overflow:hidden;aspect-ratio:4/5;position:relative;background:var(--cream)}
.ig-head{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:12px}
.ig-avatar{width:64px;height:64px;border-radius:50%;padding:3px;background:conic-gradient(from 200deg,#feda75,#fa7e1e,#d62976,#962fbf,#4f5bd5,#feda75)}
.ig-avatar span{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;background:var(--navy-800);color:#fff;font-weight:800;font-size:.85rem;border:3px solid #fff}
.btn--ig{background:linear-gradient(90deg,#962fbf,#d62976,#fa7e1e);color:#fff;box-shadow:0 14px 30px -14px rgba(214,41,118,.7)}

/* FAQ */
.faq{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq details{background:var(--navy-800);color:#fff;border-radius:16px;overflow:hidden;transition:background .3s}
.faq details[open]{background:var(--navy-700)}
.faq summary{list-style:none;cursor:pointer;padding:24px 70px 24px 28px;font-weight:600;font-size:1.04rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:28px;top:50%;width:26px;height:26px;margin-top:-13px;border-radius:50%;background:rgba(255,255,255,.1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='white' stroke-width='1.8'%3E%3Cpath d='M6 1v10M1 6h10'/%3E%3C/svg%3E") center no-repeat;transition:transform .4s var(--ease),background-color .3s}
.faq details[open] summary::after{transform:rotate(45deg);background-color:var(--brick)}
.faq .faq__a{padding:0 28px 26px;color:#c9d1e2;font-size:.97rem}
.faq .faq__a p:last-child{margin:0}
.faq--light details{background:#fff;color:var(--ink);border:1px solid var(--line)}
.faq--light details[open]{background:#fff;box-shadow:var(--shadow-sm)}
.faq--light summary::after{background-color:var(--cream);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%230b1a3a' stroke-width='1.8'%3E%3Cpath d='M6 1v10M1 6h10'/%3E%3C/svg%3E")}
.faq--light details[open] summary::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='white' stroke-width='1.8'%3E%3Cpath d='M6 1v10M1 6h10'/%3E%3C/svg%3E")}
.faq--light .faq__a{color:var(--muted)}

/* CTA con formulario */
.cta-split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,70px);align-items:stretch}
.cta-split__media .media{height:100%;min-height:520px;border-radius:var(--radius)}

/* Canales de contacto */
.channels{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:30px 0}
.channel{display:flex;align-items:center;gap:16px;padding:22px;border-radius:16px;border:1px solid var(--line);background:#fff;transition:transform .4s var(--ease),box-shadow .4s,border-color .3s}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:transparent}
.channel__ico{width:48px;height:48px;border-radius:50%;background:var(--cream);color:var(--navy-800);display:grid;place-items:center;flex:none}
.channel__ico svg{width:20px;height:20px}
.channel small{display:block;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600}
.channel strong{font-weight:600;font-size:.98rem;word-break:break-word}
.channel--primary{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}
.channel--primary .channel__ico{background:#fff}
.channel--primary small{color:#aab6cf}
.info-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-top:28px;border-top:1px solid var(--line)}
.info-cols h3{font-family:var(--sans);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:10px}
.info-cols p{margin:0;color:var(--ink)}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:21/8;background:var(--cream)}
.map iframe{width:100%;height:100%;border:0;display:block;filter:grayscale(.3) contrast(1.05)}

/* Encabezado de página interna */
.page-hero{position:relative;background:var(--navy-900);color:#fff;padding:clamp(90px,12vw,150px) 0 clamp(70px,9vw,110px);overflow:hidden}
.page-hero .media{position:absolute;inset:0;border-radius:0;opacity:.35}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,18,41,.95),rgba(7,18,41,.6))}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;max-width:900px}
.page-hero .lead{color:#c9d1e2;max-width:680px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.82rem;color:#aab6cf;margin-bottom:22px;list-style:none;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.5}
.crumbs a:hover{color:#fff}

/* Detalle de servicio */
.svc-detail{display:grid;grid-template-columns:1fr 360px;gap:60px;align-items:start}
.svc-aside{position:sticky;top:110px;display:grid;gap:18px}
.aside-box{background:var(--cream);border-radius:var(--radius);padding:28px}
.aside-box h3{font-size:1.2rem}
.aside-box ul{list-style:none;padding:0;margin:0}
.aside-box li a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #e3dbcf;font-size:.94rem;transition:color .2s,padding .3s var(--ease)}
.aside-box li a:hover,.aside-box li a[aria-current="page"]{color:var(--brick);padding-left:6px}
.aside-box--navy{background:var(--navy-800);color:#fff}
.aside-box--navy h3{color:#fff}
.aside-box--navy p{color:#c9d1e2;font-size:.94rem}
.prose{font-size:1.04rem}
.prose h2{font-size:clamp(1.6rem,2.6vw,2.2rem);margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose h2:first-child{margin-top:0}
.prose ul,.prose ol{padding-left:1.2em;margin:0 0 1.3em}
.prose li{margin-bottom:.45em}
.prose a{color:var(--brick);text-decoration:underline;text-underline-offset:3px}
.prose .media{aspect-ratio:16/9;margin:34px 0;border-radius:var(--radius)}
.prose blockquote{margin:30px 0;padding:24px 28px;border-left:4px solid var(--brick);background:var(--cream);border-radius:0 14px 14px 0;font-family:var(--serif);font-size:1.2rem;font-style:italic}
.includes{display:grid;grid-template-columns:1fr 1fr;gap:14px;list-style:none;padding:0!important;margin:24px 0 30px!important}
.includes li{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border:1px solid var(--line);border-radius:14px;margin:0!important;font-size:.96rem;background:#fff}
.includes li .check-ico{margin-top:2px}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;list-style:none;padding:0!important}
.steps li{counter-increment:step;padding:26px 22px;border-radius:16px;background:var(--navy-800);color:#c9d1e2;font-size:.92rem;position:relative}
.steps li::before{content:"0" counter(step);display:block;font-family:var(--serif);font-style:italic;font-size:1.8rem;color:var(--sand);margin-bottom:10px}
.steps li strong{display:block;color:#fff;font-size:1rem;margin-bottom:4px}

/* Bloques de servicio en página de servicios */
.svc-block{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,80px);align-items:center;padding:clamp(50px,7vw,90px) 0;border-bottom:1px solid var(--line)}
.svc-block:last-child{border-bottom:0}
.svc-block:nth-child(even) .svc-block__media{order:2}
.svc-block__media .media{aspect-ratio:5/4;border-radius:var(--radius)}
.svc-block__num{font-family:var(--serif);font-style:italic;font-size:4rem;line-height:1;color:transparent;-webkit-text-stroke:1px var(--brick);display:block;margin-bottom:12px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px;padding:0;list-style:none}
.tags li{padding:7px 14px;border-radius:999px;background:var(--cream);font-size:.84rem;color:var(--navy-800);font-weight:500}

/* Valores (nosotros) */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value{padding:34px 28px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:transform .5s var(--ease),box-shadow .5s,border-color .3s}
.value:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);border-color:transparent}
.value__ico{width:54px;height:54px;border-radius:14px;background:var(--navy-800);color:var(--sand);display:grid;place-items:center;margin-bottom:20px}
.value__ico svg{width:24px;height:24px}
.value p{color:var(--muted);font-size:.94rem;margin:0}
.brands{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.brand{padding:30px;border-radius:var(--radius);border:1px solid var(--line-dark);background:rgba(255,255,255,.04)}
.brand strong{font-family:var(--serif);font-size:1.3rem;display:block;color:#fff;margin-bottom:6px}
.brand a{color:var(--sand);font-size:.9rem}

/* Áreas de servicio */
.areas{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;list-style:none;padding:0;margin:0}
.areas li{padding:12px 22px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:500;font-size:.94rem;display:flex;align-items:center;gap:8px;transition:all .3s}
.areas li svg{width:15px;height:15px;color:var(--brick)}
.areas li:hover{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}

/* Blog */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.post-card{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);transition:transform .5s var(--ease),box-shadow .5s}
.post-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.post-card .media{aspect-ratio:16/10;border-radius:0}
.post-card:hover .media img{transform:scale(1.06)}
.post-card__body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.post-card__meta{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brick);font-weight:600;margin-bottom:10px}
/* El listado del blog usa h2 (va justo despues del h1) y el resto del sitio h3.
   Se igualan aqui para que el h2 no herede la regla de titulos en mayusculas. */
.post-card h3,.post-card h2{font-size:1.3rem;text-transform:none;letter-spacing:-.01em;line-height:1.12}
.post-card p{color:var(--muted);font-size:.94rem;flex:1}
.article-head{max-width:860px}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.86rem;color:#aab6cf;margin-top:10px}
.article-wrap{max-width:780px;margin:0 auto}
.toc{background:var(--cream);border-radius:var(--radius);padding:24px 28px;margin:0 0 40px}
.toc strong{font-family:var(--serif);font-size:1.1rem;display:block;margin-bottom:8px}
.toc ol{margin:0;padding-left:1.2em}
.toc a{color:var(--navy-800);text-decoration:none}
.toc a:hover{color:var(--brick)}
.article-cta{margin:50px 0 0;padding:36px;border-radius:var(--radius);background:var(--navy-800);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.article-cta h3{color:#fff;margin:0}
.article-cta p{color:#c9d1e2;margin:4px 0 0;font-size:.95rem}

/* Legales */
.legal{max-width:860px;margin:0 auto}
.legal h2{font-size:1.5rem;margin-top:1.8em}
.legal p,.legal li{color:#3a4254}
.legal .updated{display:inline-block;padding:8px 14px;border-radius:999px;background:var(--cream);font-size:.85rem;margin-bottom:26px}

/* Footer */
.footer-cta{position:relative;color:#fff;text-align:center;padding:clamp(90px,11vw,140px) 0;overflow:hidden;background:var(--navy-900)}
.footer-cta .media{position:absolute;inset:0;border-radius:0}
.footer-cta::after{content:"";position:absolute;inset:0;background:rgba(7,18,41,.78)}
.footer-cta .container{position:relative;z-index:2}
.footer-cta h2{color:#fff;max-width:900px;margin:0 auto 18px}
.footer-cta p{color:#c9d1e2;max-width:620px;margin:0 auto 34px}
.footer-cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.footer{background:var(--navy-900);color:#aab6cf;padding:80px 0 0;font-size:.93rem;border-top:1px solid rgba(255,255,255,.06)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:60px}
.footer .logo{color:#fff}
.footer .logo small{color:#8f9bb4}
.footer h3{color:#fff;font-family:var(--sans);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;margin-bottom:20px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer a{transition:color .2s}
.footer a:hover{color:#fff}
.footer__contact li{display:flex;gap:12px;align-items:flex-start}
.footer__contact svg{width:18px;height:18px;color:var(--brick);flex:none;margin-top:4px}
.socials{display:flex;gap:10px;margin-top:22px}
.socials a{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.15);display:grid;place-items:center;transition:all .3s}
.socials a:hover{background:var(--brick);border-color:var(--brick)}
.socials svg{width:18px;height:18px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.84rem}
.footer__legal{display:flex;gap:20px;flex-wrap:wrap}

/* WhatsApp flotante */
.wa-float{position:fixed;right:24px;bottom:24px;z-index:200;width:62px;height:62px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 14px 34px -8px rgba(37,211,102,.6);transition:transform .4s var(--ease)}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--wa);animation:pulse 2.4s infinite;z-index:-1}
@keyframes pulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.7);opacity:0}}
.wa-float svg{width:30px;height:30px}
.wa-float:hover{transform:scale(1.08)}
.wa-float__tip{position:absolute;right:76px;top:50%;transform:translateY(-50%) translateX(10px);background:#fff;color:var(--ink);padding:10px 16px;border-radius:12px;font-size:.85rem;font-weight:600;white-space:nowrap;box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:all .4s var(--ease)}
.wa-float:hover .wa-float__tip,.wa-float.tip-show .wa-float__tip{opacity:1;transform:translateY(-50%)}

/* Barra de progreso de lectura */
.progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--brick),var(--sand));width:0;z-index:300}

/* ==========================================================================
   ANIMACIONES DE ENTRADA (reveal)
   ========================================================================== */
.js [data-reveal]{opacity:0;transition:opacity 1s var(--ease),transform 1.1s var(--ease),clip-path 1.2s var(--ease),filter 1s var(--ease);transition-delay:calc(var(--d,0) * 1ms)}
.js [data-reveal="up"]{transform:translateY(50px)}
.js [data-reveal="down"]{transform:translateY(-40px)}
.js [data-reveal="left"]{transform:translateX(-80px)}
.js [data-reveal="right"]{transform:translateX(80px)}
.js [data-reveal="zoom"]{transform:scale(.88)}
.js [data-reveal="blur"]{filter:blur(12px);transform:translateY(20px)}
.js [data-reveal="mask"]{clip-path:inset(0 100% 0 0);opacity:1}
.js [data-reveal="mask-up"]{clip-path:inset(100% 0 0 0);opacity:1}
.js [data-reveal].is-visible{opacity:1;transform:none;filter:none;clip-path:inset(0 0 0 0)}
/* Escalera: cada hijo entra uno después del otro */
.js [data-stagger] > *{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0) * 120ms + var(--d,0) * 1ms)}
.js [data-stagger="left"] > *{transform:translateX(-40px)}
.js [data-stagger].is-visible > *{opacity:1;transform:none}
/* Títulos: palabra por palabra */
.split-words .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.08em;margin-bottom:-.08em}
.split-words .w > span{display:inline-block;transform:translateY(105%);transition:transform 1s var(--ease);transition-delay:calc(var(--i) * 55ms + var(--d,0) * 1ms)}
.split-words.is-visible .w > span{transform:none}
/* Hero: entra desde un lado.
   Sin fade: el H1 y la foto del hero son el elemento LCP y no pueden empezar
   en opacity:0, porque el navegador no lo cuenta como pintado hasta el final
   de la animacion. Se conserva solo el movimiento. */
.js .hero__text{transform:translateX(-60px);transition:transform 1.1s var(--ease) .05s}
.js .hero__form{opacity:0;transform:translateX(90px);transition:opacity 1.1s var(--ease) .35s,transform 1.2s var(--ease) .35s}
.js.loaded .hero__text,.js.loaded .hero__form{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js [data-reveal],.js [data-stagger] > *,.split-words .w > span,.js .hero__text,.js .hero__form{opacity:1!important;transform:none!important;filter:none!important;clip-path:none!important}
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1100px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .svc-detail{grid-template-columns:1fr}
  .svc-aside{position:static}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .topbar__group--hide{display:none}
  .nav{position:fixed;inset:0;top:0;background:var(--navy-900);flex-direction:column;justify-content:center;align-items:stretch;padding:100px 32px 40px;gap:4px;transform:translateX(100%);transition:transform .6s var(--ease);z-index:150;overflow-y:auto}
  .nav-open .nav{transform:none}
  .nav > a,.nav__drop > a{color:#fff;font-family:var(--serif);font-size:1.7rem;padding:10px 0}
  .nav > a::after,.nav__drop > a::after{display:none}
  .nav__menu{position:static;opacity:1;visibility:visible;transform:none;background:transparent;border:0;box-shadow:none;padding:0 0 10px 4px;min-width:0}
  .nav__menu a{color:#aab6cf;padding:6px 0;font-size:.95rem}
  .nav__menu a:hover{background:transparent}
  .burger{display:grid;position:relative;z-index:160}
  .nav-open .burger{background:transparent;border-color:rgba(255,255,255,.3)}
  .nav-open .burger span{background:#fff}
  .header__cta .btn{display:none}
  .hero{min-height:auto;padding:70px 0 90px}
  .hero__grid,.split,.benefits,.cta-split,.svc-block{grid-template-columns:1fr}
  .split--reverse .split__media,.svc-block:nth-child(even) .svc-block__media{order:0}
  .split__tag{left:16px}
  .split__frame{display:none}
  .audience,.gallery,.ig-grid,.blog-grid,.brands{grid-template-columns:1fr 1fr}
  .timeline::before,.timeline__progress{left:15px}
  .tl-item{grid-template-columns:1fr;gap:0;padding-left:56px}
  .tl-item__dot{left:15px;top:34px}
  .tl-item:nth-child(odd) .tl-item__content,.tl-item:nth-child(even) .tl-item__content{grid-column:1;text-align:left}
  .tl-item:nth-child(odd) .tl-item__icon{margin-left:0}
  .tl-item__content::after{display:none}
  .cta-split__media .media{min-height:340px}
  .map{aspect-ratio:4/3}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 16px}
  .topbar{display:none}
  .header .container{min-height:72px}
  .hero__checks{grid-template-columns:1fr}
  .services-grid,.audience,.gallery,.ig-grid,.blog-grid,.values,.brands,.channels,.info-cols,.includes,.steps,.footer__grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .form-card{padding:30px 22px}
  .service-card{min-height:340px}
  .service-card p{max-height:none;opacity:1;margin-bottom:14px}
  .hero__actions .btn{width:100%}
  .wa-float{right:16px;bottom:16px;width:56px;height:56px}
  .article-cta{padding:28px 22px}
}

/* Ajustes */
.nav__drop{display:flex;align-items:center}
.footer .logo__mark{background:#fff;color:var(--navy-800)}
.footer-cta h2 em{color:var(--sand)}
.page-hero h1 em{color:var(--sand)}
.aside-box li a svg{width:16px;height:16px;flex:none;color:var(--brick)}
.prose .eyebrow + h2{margin-top:0}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:15px;height:15px}
.info-cols svg,.channel svg{flex:none}
@media (max-width:980px){
  .header{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff}
  .nav{visibility:hidden;transition:transform .6s var(--ease),visibility 0s .6s}
  .nav-open .nav{visibility:visible;transition:transform .6s var(--ease)}
  .nav-open .header{background:var(--navy-900)}
  .nav-open .logo{color:#fff;position:relative;z-index:160}
}
.channel strong{font-size:.92rem}
.burger{position:relative}
.burger span{position:absolute;left:12px;width:20px;margin:0}
.burger span:nth-child(1){top:16px}
.burger span:nth-child(2){top:22px}
.burger span:nth-child(3){top:28px}
.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (max-width:980px){
  .nav__drop{display:block}
  .nav{justify-content:flex-start}
  .nav-open .logo__mark{background:#fff;color:var(--navy-800)}
  .nav-open .logo small{color:#8f9bb4}
}

/* ==========================================================================
   IDENTIDAD DE MARCA EDIFICIO 687 — negro + dorado (v2)
   ========================================================================== */
:root{
  --navy-900:#070707;
  --navy-800:#0f0f0f;
  --navy-700:#191919;
  --navy-600:#232323;
  --brick:#d4a650;
  --brick-600:#bf913a;
  --sand:#ecc97a;
  --gold-ink:#94692a;
  --cream:#f6f2ea;
  --line:#e7e1d6;
  --gold-grad:linear-gradient(135deg,#f7e09c 0%,#d4a650 48%,#a5762b 100%);
  --serif:"Oswald","Arial Narrow",Arial,sans-serif;
  --shadow:0 20px 60px -20px rgba(0,0,0,.45);
  --shadow-sm:0 8px 30px -12px rgba(0,0,0,.3);
}
h1,h2{font-weight:600;text-transform:uppercase;letter-spacing:.005em;line-height:1.05}
h1{font-size:clamp(2.4rem,5.2vw,4.4rem)}
h2{font-size:clamp(2rem,3.8vw,3.2rem)}
h3{font-weight:500;letter-spacing:.01em}
em.accent,h1 em,h2 em,.on-dark h1 em,.on-dark h2 em,.hero h1 em,.page-hero h1 em,.footer-cta h2 em{font-style:normal;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{color:var(--gold-ink)}
.on-dark .eyebrow,.hero .eyebrow,.page-hero .eyebrow{color:var(--sand)}
.service-card__num,.tl-item h3 small,.marquee span,.steps li::before,.svc-block__num,.prose blockquote,.split__tag strong,.project__label strong,.brand strong,.statement p{font-style:normal}

/* Botones */
.btn--brick{background:var(--gold-grad);color:#0a0a0a;box-shadow:0 14px 30px -12px rgba(212,166,80,.55);text-transform:uppercase;letter-spacing:.06em;font-size:.86rem}
.btn--brick:hover{background:var(--gold-grad);filter:brightness(1.08)}
.btn--navy{background:#0f0f0f}
.btn--navy:hover{background:#000}
.btn--outline{border-color:#0f0f0f;color:#0f0f0f}
.btn--outline:hover{background:#0f0f0f;color:var(--sand)}
.btn--white{background:var(--gold-grad);color:#0a0a0a;text-transform:uppercase;letter-spacing:.06em;font-size:.88rem}
.link-arrow{color:var(--gold-ink)}

/* Header negro */
.topbar{background:#000;border-bottom:1px solid rgba(212,166,80,.18)}
.header{background:rgba(10,10,10,.94)}
.header.is-scrolled{border-color:rgba(212,166,80,.2);box-shadow:0 10px 30px -18px rgba(0,0,0,.8)}
.nav > a,.nav__drop > a{color:#e9e6df}
.nav > a:hover,.nav__drop > a:hover{color:var(--sand)}
.nav > a::after,.nav__drop > a::after{background:var(--gold-grad)}
.nav__menu{background:#111;border-color:rgba(212,166,80,.2)}
.nav__menu a{color:#e9e6df}
.nav__menu a:hover{background:#1c1c1c;color:var(--sand)}
.burger{background:transparent;border-color:rgba(255,255,255,.2)}
.burger span{background:#fff}

/* Logo */
.logo{gap:10px}
.logo__icon{width:46px;height:46px;flex:none}
.logo__text{display:flex;flex-direction:column;line-height:1;align-items:center}
.logo__name{font-family:"Cinzel",serif;font-weight:700;font-size:1.02rem;letter-spacing:.2em;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;padding-left:.2em}
.logo__num{font-family:"Oswald",sans-serif;font-weight:600;font-size:1.25rem;letter-spacing:.12em;color:#f2e2b8;margin-top:3px;padding-bottom:3px;border-bottom:1px solid rgba(212,166,80,.6)}

/* Hero */
.hero__bg::after{background:linear-gradient(100deg,rgba(5,5,5,.95) 0%,rgba(5,5,5,.82) 42%,rgba(5,5,5,.4) 100%)}
.hero__badge b{background:var(--gold-grad);color:#0a0a0a}
.check-ico{background:rgba(212,166,80,.16)}
.check-ico svg{color:var(--brick)}
.includes .check-ico svg,.prose .check-ico svg{color:var(--gold-ink)}

/* Formularios */
.form-card{background:#0f0f0f;border-color:rgba(212,166,80,.22)}
.hero .form-card{background:rgba(12,12,12,.8)}
.form-card::before{background:var(--gold-grad)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brick);box-shadow:0 0 0 4px rgba(212,166,80,.14)}
.chips input:checked + label{background:var(--gold-grad);color:#0a0a0a;border-color:transparent}

/* Secciones */
.statement{background:#0a0a0a;border-top:1px solid rgba(212,166,80,.2);border-bottom:1px solid rgba(212,166,80,.2)}
.statement p{font-weight:400;text-transform:uppercase;letter-spacing:.02em}
.marquee{background:var(--gold-grad);color:#0a0a0a}
.marquee span{font-family:var(--serif);text-transform:uppercase;letter-spacing:.08em;font-size:1.1rem;font-weight:500}
.audience__icon{background:#0f0f0f;color:var(--sand)}
.audience__icon::after{border-color:rgba(212,166,80,.7)}
.service-card::after{background:linear-gradient(180deg,rgba(0,0,0,0) 20%,rgba(0,0,0,.92) 100%)}
.service-card:hover::after{background:linear-gradient(180deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.95) 100%)}
.service-card:hover .service-card__arrow{background:var(--gold-grad);color:#0a0a0a}
.service-card h3{text-transform:uppercase}
.tl-item__dot{border-color:#0f0f0f}
.timeline__progress{background:var(--gold-grad)}
.tl-item__icon{color:var(--sand)}
.vlist::before{background:linear-gradient(#0f0f0f,var(--brick))}
.vlist li::before{background:#0f0f0f}
.vlist li strong{color:#0f0f0f}
.project__label{background:rgba(0,0,0,.62)}
.project:hover .project__label{background:rgba(212,166,80,.92);color:#0a0a0a}
.project:hover .project__label span{color:#2a2a2a}
.faq details{background:#0f0f0f;border:1px solid rgba(212,166,80,.14)}
.faq details[open]{background:#161616;border-color:rgba(212,166,80,.35)}
.faq--light details{background:#fff;border-color:var(--line)}
.faq--light details[open]{background:#fff}
.channel--primary{background:#0f0f0f;border-color:#0f0f0f}
.split__tag .ico{color:var(--gold-ink)}
.split__frame{border-color:var(--brick)}
.areas li svg{color:var(--gold-ink)}
.areas li:hover{background:#0f0f0f;border-color:#0f0f0f;color:var(--sand)}
.areas li:hover svg{color:var(--sand)}
.value__ico{background:#0f0f0f;color:var(--sand)}
.svc-block__num{-webkit-text-stroke:1px var(--brick)}
.tags li{color:#0f0f0f}
.steps li{background:#0f0f0f;border:1px solid rgba(212,166,80,.16)}
.aside-box--navy{background:#0f0f0f}
.aside-box li a:hover,.aside-box li a[aria-current="page"]{color:var(--gold-ink)}
.aside-box li a svg{color:var(--gold-ink)}
.prose a{color:var(--gold-ink)}
.prose blockquote{border-left-color:var(--brick);font-weight:400}
.post-card__meta{color:var(--gold-ink)}
.toc a:hover{color:var(--gold-ink)}
.article-cta{background:#0f0f0f}
.page-hero::after{background:linear-gradient(90deg,rgba(5,5,5,.95),rgba(5,5,5,.55))}
.page-hero .media{opacity:.55}
.footer-cta::after{background:rgba(5,5,5,.8)}
.footer{background:#050505;border-top:1px solid rgba(212,166,80,.18)}
.footer__contact svg{color:var(--brick)}
.socials a:hover{background:var(--gold-grad);border-color:transparent;color:#0a0a0a}
.progress{background:var(--gold-grad)}
.media{background:linear-gradient(135deg,#1d1d1d 0%,#0b0b0b 60%,#2a2112 100%)}
.btn--ghost:hover{background:var(--gold-grad);color:#0a0a0a;border-color:transparent}
@media (max-width:980px){
  .header{background:#0a0a0a}
  .nav{background:#070707}
  .nav-open .header{background:#070707}
  .nav-open .burger{background:transparent}
}
@media (max-width:640px){
  .logo__icon{width:40px;height:40px}
  .logo__name{font-size:.9rem}
  .logo__num{font-size:1.1rem}
}

/* ==========================================================================
   OBRA REAL — "Algunas fotos de nuestro trabajo" (fotos propias de EDIFICIO 687)
   ========================================================================== */
.workgrid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:210px;gap:18px}
.workshot{position:relative;display:block;margin:0;border-radius:var(--radius);overflow:hidden;isolation:isolate;background:var(--navy-800);box-shadow:var(--shadow-sm)}
.workshot .media{position:absolute;inset:0;border-radius:0}
.workshot:hover .media img{transform:scale(1.06)}
.workshot::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(to top,rgba(5,5,5,.78) 0%,rgba(5,5,5,.34) 28%,rgba(5,5,5,0) 55%);transition:opacity .45s var(--ease)}
.workshot:hover::after{opacity:.88}
.workshot__cap{position:absolute;left:20px;right:20px;bottom:16px;z-index:3;color:#fff}
.workshot__cap span{display:block;font-size:.69rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:var(--sand);margin-bottom:4px}
.workshot__cap strong{display:block;font-family:var(--serif);font-weight:500;font-size:1.12rem;line-height:1.2;letter-spacing:.3px}
/* mosaico: 1 grande + 2 verticales / 1 grande + 4 chicas = 16 celdas exactas */
.workshot--big{grid-column:span 2;grid-row:span 2}
.workshot--tall{grid-row:span 2}
.workshot--big .workshot__cap strong{font-size:1.5rem}

@media (max-width:1100px){
  .workgrid{grid-auto-rows:178px;gap:14px}
  .workshot--big .workshot__cap strong{font-size:1.3rem}
}
@media (max-width:980px){
  .workgrid{grid-template-columns:repeat(2,1fr);grid-auto-rows:auto;gap:14px}
  .workshot{aspect-ratio:4/3}
  .workshot--big,.workshot--tall{grid-column:auto;grid-row:auto}
  .workshot--big{grid-column:span 2;aspect-ratio:16/9}
  .workshot--tall{aspect-ratio:3/4}
  .workshot--big .workshot__cap strong{font-size:1.2rem}
}
@media (max-width:640px){
  .workgrid{gap:10px}
  .workshot__cap{left:13px;right:13px;bottom:11px}
  .workshot__cap strong{font-size:.9rem}
  .workshot--big .workshot__cap strong{font-size:1.05rem}
  .workshot__cap span{font-size:.6rem;letter-spacing:.12em;margin-bottom:2px}
}