:root{
  --antracita:#343D46; --salvia:#7D9280; --arena:#D8C8B0; --bronce:#8C6A3D;
  --blanco:#fff; --humo:#F6F4F0; --texto:#2a3038;
  --serif:'Fraunces',Georgia,serif; --sans:'Figtree',system-ui,sans-serif;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{margin:0;font-family:var(--sans);color:var(--texto);background:var(--humo);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--serif);line-height:1.15;margin:0 0 .5em;color:var(--antracita)}
h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:700}
h3{font-size:1.2rem;font-weight:500}
p{margin:0 0 1em}
a{color:inherit}
:focus-visible{outline:3px solid var(--bronce);outline-offset:3px}
.wrap{width:min(1160px,92%);margin-inline:auto}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.7rem 1.3rem;border-radius:999px;font:600 .95rem var(--sans);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,transform .2s}
.btn--lg{padding:.95rem 1.8rem;font-size:1.02rem}
.btn--bronce{background:var(--bronce);color:#fff}
.btn--bronce:hover{background:#74572f;transform:translateY(-2px)}
.btn--ghost{border-color:var(--arena);color:var(--arena)}
.btn--ghost:hover{background:var(--arena);color:var(--antracita)}

/* Navbar */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);background:var(--antracita);z-index:50;transition:box-shadow .3s}
.nav.is-scrolled{box-shadow:0 6px 24px rgba(0,0,0,.25)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--arena)}
.brand__mark{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid var(--bronce);flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1.1}
.brand__txt strong{font:700 1.25rem var(--serif);letter-spacing:.04em;color:#fff}
.brand__txt small{font-size:.72rem;color:var(--arena)}
.menu{display:flex;align-items:center;gap:1.6rem}
.menu a:not(.btn){color:#e9e4da;text-decoration:none;font-weight:500;font-size:.95rem;position:relative}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--salvia);transition:width .25s}
.menu a:not(.btn):hover::after{width:100%}
.burger{display:none;background:none;border:0;width:44px;height:44px;padding:10px;cursor:pointer}
.burger span{display:block;height:2px;background:var(--arena);margin:6px 0;transition:transform .25s,opacity .25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--antracita) 0%,#27303a 100%);color:#fff;padding:calc(var(--nav-h) + 5rem) 0 5rem;min-height:92vh;display:flex;align-items:center}
.hero__wing{position:absolute;right:-4%;top:50%;width:min(760px,70vw);height:auto;aspect-ratio:64/40;transform:translateY(-45%);color:var(--salvia);opacity:.2;pointer-events:none}
.hero__in{position:relative}
.hero h1{color:#fff;max-width:14ch}
.hero p{font-size:clamp(1.05rem,2vw,1.3rem);max-width:52ch;color:#e4ddd0}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem;margin:2rem 0}
.hero__facts{list-style:none;padding:0;margin:2.5rem 0 0;display:flex;flex-wrap:wrap;gap:.6rem 1.8rem;color:var(--arena);font-weight:500}
.hero__facts li{padding-left:1.2rem;position:relative}
.hero__facts li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--salvia)}

/* Secciones */
.sec{padding:clamp(4rem,9vw,7rem) 0}
.sec--dark{background:var(--antracita)}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec--dark p{color:#d9d4ca}
.sec--sand{background:var(--arena)}
.sec__head{max-width:640px;margin-bottom:3rem}
.sec__head p{font-size:1.08rem;color:#59616a}
.sec--dark .sec__head p{color:#d9d4ca}

.grid{display:grid;gap:1.4rem}
.grid--5{grid-template-columns:repeat(6,1fr)}
.grid--5 .card{grid-column:span 2}
.grid--5 .card:nth-child(4){grid-column:2 / span 2}
.grid--5 .card:nth-child(5){grid-column:4 / span 2}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.ico{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--arena);color:var(--bronce);font-size:1.4rem;margin-bottom:1.1rem;transition:background .25s,color .25s}
.ico--sage{background:rgba(125,146,128,.2);color:var(--salvia)}
.card{background:#fff;border-radius:18px;padding:1.8rem;border-bottom:4px solid transparent;box-shadow:0 8px 28px rgba(52,61,70,.08);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 16px 38px rgba(52,61,70,.15);border-color:var(--bronce)}
.card:hover .ico{background:var(--bronce);color:#fff}
.card p{margin:0;color:#59616a;font-size:.97rem}
.why{padding:1.8rem;border-left:3px solid var(--salvia)}
.why p{margin:0}

/* Portafolio */
.filters{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem}
.chip{font:600 .92rem var(--sans);padding:.55rem 1.2rem;border-radius:999px;border:2px solid var(--arena);background:transparent;color:var(--antracita);cursor:pointer;transition:all .2s}
.chip:hover{border-color:var(--bronce)}
.chip.is-on{background:var(--antracita);border-color:var(--antracita);color:#fff}
.work{margin:0;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(52,61,70,.08)}
.work[hidden]{display:none}
.work figcaption{padding:1rem 1.1rem 1.2rem;display:flex;flex-direction:column}
.work small{color:#6a727a}
.ba{--p:50%;position:relative;aspect-ratio:4/3;overflow:hidden;user-select:none}
.ba__b,.ba__a{position:absolute;inset:0}
.ba__b{background:repeating-linear-gradient(45deg,#8a8680 0 10px,#7d7973 10px 20px)}
.ba__a{background:var(--after);clip-path:inset(0 0 0 var(--p))}
.ba span{position:absolute;top:.7rem;padding:.25rem .7rem;border-radius:999px;font-size:.78rem;font-weight:600;background:rgba(0,0,0,.45);color:#fff}
.ba__b span{left:.7rem}
.ba__a span{right:.7rem}
.ba::after{content:"";position:absolute;top:0;bottom:0;left:var(--p);width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 8px rgba(0,0,0,.4);pointer-events:none}
.ba input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:2}
.ba:focus-within::after{background:var(--arena);width:5px}
.t-sala{--after:linear-gradient(160deg,var(--arena),#b9a583 60%,var(--bronce))}
.t-sala2{--after:linear-gradient(160deg,#e8dfd0,var(--arena) 55%,#a98d62)}
.t-cocina{--after:linear-gradient(160deg,var(--salvia),#5f7562 60%,var(--antracita))}
.t-cocina2{--after:linear-gradient(160deg,#9fb1a1,var(--salvia) 55%,#4e6151)}
.t-bano{--after:linear-gradient(160deg,#f1efea,#cfc9bf 55%,#9a9488)}
.t-bano2{--after:linear-gradient(160deg,#e6e1d7,var(--arena) 50%,var(--salvia))}
.t-cielo{--after:linear-gradient(180deg,#f6f4f0,#e2dac9 60%,var(--bronce))}
.t-cielo2{--after:linear-gradient(180deg,#eceae4,var(--arena) 60%,var(--antracita))}

/* Cotizar */
.quote{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(2rem,6vw,5rem);align-items:start}
.quote__txt p{font-size:1.1rem;max-width:44ch}
.form{background:#fff;border-radius:20px;padding:clamp(1.4rem,3vw,2.2rem);box-shadow:0 18px 48px rgba(52,61,70,.18);display:grid;gap:1.1rem}
.form label{display:grid;gap:.35rem;font-weight:600;font-size:.92rem;color:var(--antracita)}
.form input,.form select{font:400 1rem var(--sans);padding:.8rem .95rem;border:1.5px solid #d6d1c7;border-radius:10px;background:var(--humo);color:var(--texto);width:100%}
.form input:focus,.form select:focus{outline:none;border-color:var(--bronce);box-shadow:0 0 0 3px rgba(140,106,61,.2)}
.form .is-bad{border-color:#b3412f}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form__err{margin:0;color:#b3412f;font-weight:600;font-size:.92rem}

/* Footer */
.foot{background:#262d34;color:#cfc9be;padding-top:3.5rem}
.foot__in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding-bottom:2.5rem}
.foot h4{font:700 1.05rem var(--serif);color:#fff;margin:0 0 .8rem}
.foot p{margin:0 0 .4rem}
.foot a{text-decoration:none}
.foot a:hover{color:var(--arena);text-decoration:underline}
.foot__sm{margin-top:.8rem}
.foot__copy{border-top:1px solid rgba(255,255,255,.12);padding:1.2rem 4%;text-align:center;font-size:.88rem}

/* Una sola entrada al cargar */
.hero__in>*{animation:rise .8s both}
.hero__in>*:nth-child(2){animation-delay:.12s}
.hero__in>*:nth-child(3){animation-delay:.24s}
.hero__in>*:nth-child(4){animation-delay:.36s}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Responsive */
@media (max-width:1024px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--5{grid-template-columns:repeat(2,1fr)}
  .grid--5 .card,.grid--5 .card:nth-child(4),.grid--5 .card:nth-child(5){grid-column:auto}
}
@media (max-width:860px){
  .burger{display:block}
  .menu{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--antracita);padding:1rem 4% 1.6rem;transform:translateY(-120%);transition:transform .3s;box-shadow:0 14px 24px rgba(0,0,0,.3)}
  .menu.is-open{transform:none}
  .menu a:not(.btn){padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .menu__cta{margin-top:1rem}
  .grid--3{grid-template-columns:1fr}
  .quote,.foot__in{grid-template-columns:1fr}
  .hero{min-height:auto}
}
@media (max-width:560px){
  .grid--4,.grid--5,.row{grid-template-columns:1fr}
  .hero__cta .btn{width:100%}
}

/* ===== Conoce a KONDOOR'S (pestañas) ===== */
.sec--white{background:#fff}
.grid--2{grid-template-columns:repeat(2,1fr)}
.tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.8rem}
.tab{font:600 .95rem var(--sans);padding:.65rem 1.2rem;border:0;border-bottom:3px solid transparent;background:none;color:#59616a;cursor:pointer}
.tab:hover{color:var(--antracita)}
.tab.is-on{color:var(--antracita);border-bottom-color:var(--bronce)}
.panel[hidden]{display:none}
.panel.is-on{animation:fade .35s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.info{background:var(--humo);border-radius:16px;padding:1.6rem;border-left:4px solid var(--salvia)}
.info p{margin:0;color:#4b535b}
.kits{margin:.9rem 0 0;padding-left:1.1rem;color:#4b535b}
.swatches{list-style:none;margin:1.8rem 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.swatches li{display:grid;gap:.15rem;font-size:.9rem}
.swatches i{height:44px;border-radius:10px;margin-bottom:.4rem}
.swatches span{color:#59616a}

/* ===== Botones flotantes ===== */
.fab{position:fixed;right:1rem;bottom:1rem;display:flex;align-items:center;gap:.6rem;z-index:40}
.fab .btn{box-shadow:0 8px 22px rgba(0,0,0,.25)}
.fab__up{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--antracita);color:var(--arena);font-size:1.3rem;text-decoration:none;box-shadow:0 8px 22px rgba(0,0,0,.25);transition:opacity .25s,transform .25s}
.fab__up:hover{background:var(--salvia);color:#fff}
.fab [hidden],.fab .is-off{opacity:0;pointer-events:none;transform:translateY(10px)}
.fab .btn{transition:opacity .25s,transform .25s,background .2s}
.menu a.is-active:not(.btn)::after{width:100%}
.menu a.is-active:not(.btn){color:#fff}

@media (max-width:860px){
  .grid--2{grid-template-columns:1fr}
  .swatches{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .tab{padding:.6rem .8rem;font-size:.9rem}
}

/* ===== Portafolio por categorías ===== */
.work .ph{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(150deg,var(--arena),#c2b093)}
.work .ph img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in;transition:transform .4s}
.work:hover .ph img{transform:scale(1.04)}
.work.is-empty .ph{display:grid;place-items:center;background:linear-gradient(150deg,#e6dccb,var(--arena))}
.work.is-empty .ph::before{content:attr(data-label);font:700 1.15rem var(--serif);color:var(--antracita);text-align:center;padding:0 1rem}
.work.is-empty .ph::after{content:"Agrega tu foto aquí";position:absolute;bottom:.8rem;font-size:.8rem;color:#6a5a40}
.lightbox{position:fixed;inset:0;background:rgba(20,24,28,.88);display:grid;place-items:center;z-index:100;padding:1rem;cursor:zoom-out}
.lightbox[hidden]{display:none}
.lightbox img{max-width:100%;max-height:92vh;border-radius:10px}

/* ===== Portafolio desplegable por categoría ===== */
.acc{display:grid;gap:.8rem}
.acc__item{background:#fff;border-radius:14px;box-shadow:0 4px 16px rgba(52,61,70,.07);overflow:hidden}
.acc__btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:1.1rem 1.3rem;border:0;background:none;font:500 1.2rem var(--serif);color:var(--antracita);text-align:left;cursor:pointer}
.acc__btn::after{content:"+";font:400 1.7rem var(--sans);color:var(--bronce);line-height:1}
.acc__btn[aria-expanded="true"]::after{content:"\2212"}
.acc__btn[aria-expanded="true"]{border-bottom:3px solid var(--bronce)}
.acc__btn:hover{background:var(--humo)}
.acc__panel[hidden]{display:none}
.acc__panel{padding:1.3rem;animation:fade .35s}
.acc__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.acc__grid .work{box-shadow:none;background:var(--humo)}
@media (max-width:860px){.acc__grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.acc__grid{grid-template-columns:1fr}}

/* ===== Logo en el hero ===== */
.hero__wing{display:none}
.hero__logo{position:absolute;right:max(4%,calc((100vw - 1160px)/2));top:50%;transform:translateY(-42%);width:min(500px,38vw);height:auto;border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.45);border:1px solid rgba(216,200,176,.35)}
@media (max-width:1100px){
  .hero{flex-direction:column;align-items:stretch}
  .hero__logo{position:static;transform:none;width:min(520px,88%);margin:2.5rem auto 0}
}

/* ===== Subfiltros de Carpintería ===== */
.filters--sub{margin:-.9rem 0 1.8rem;padding:.8rem 1rem;background:#fff;border-radius:14px;border-left:4px solid var(--bronce)}
.filters--sub[hidden]{display:none}
.chip--sub{padding:.4rem .95rem;font-size:.86rem;border-color:#e3ddd1}
.chip--sub.is-on{background:var(--bronce);border-color:var(--bronce);color:#fff}