/* ============================================================
   THERMARK — Hoja de estilos (estilo editorial Prada)
   Marcellus (serif) + Archivo (sans). Negro · blanco · gris.
   Centro de servicio: Wolf · Falmec · Elica.
   ============================================================ */

/* ============ BASE ============ */
:root{
  --black:#0a0a0a;
  --white:#ffffff;
  --grey:#f5f5f4;
  --grey-mid:#8a8a86;
  --line:#e3e3e0;
  --sans:'Archivo',Helvetica,Arial,sans-serif;
  --serif:'Marcellus',Georgia,serif;
  --header-h:64px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-weight:300;color:var(--black);background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;background:none;border:none;cursor:pointer;color:inherit}
img{display:block;max-width:100%}

/* underline hover — firma Prada */
.u-link{position:relative;display:inline-block;letter-spacing:.14em;text-transform:uppercase;font-size:12px;font-weight:500;padding-bottom:4px;color:inherit}
.u-link::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;transform-origin:right;transition:transform .45s cubic-bezier(.4,0,.2,1)}
.u-link:hover::after{transform:scaleX(0);transform-origin:left}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
.rv.on{opacity:1;transform:none}

/* ============ HEADER (nav clásico) ============ */
header{position:fixed;inset:0 0 auto 0;height:var(--header-h);z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 26px;color:var(--white);transition:background .4s ease,color .4s ease,backdrop-filter .4s ease}
header.solid,body.menu-open header{background:rgba(255,255,255,.90);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--black);border-bottom:1px solid rgba(0,0,0,.06)}
.brand{display:flex;align-items:baseline;gap:12px;white-space:nowrap;flex-shrink:0;margin-right:30px}
.h-logo{font-family:var(--serif);font-size:22px;letter-spacing:.26em;text-transform:uppercase}
.brand small{font-size:10px;letter-spacing:.18em;text-transform:uppercase;opacity:.55;display:none}
@media(min-width:1200px){.brand small{display:inline}}
.nav-links{display:flex;align-items:center;gap:32px;white-space:nowrap}
@media(max-width:1280px){.nav-links{gap:22px}.nav-links>a{letter-spacing:.1em}.nav-cta{padding:9px 16px;letter-spacing:.1em}.h-logo{font-size:19px;letter-spacing:.2em}}
.nav-links>a{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:400;position:relative;padding:6px 0}
.nav-links>a::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.4,0,.2,1)}
.nav-links>a:hover::after,.nav-links>a.is-active::after{transform:scaleX(1)}
.nav-cta{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;border:1px solid currentColor;padding:11px 22px;transition:background .35s,color .35s,border-color .35s}
header:not(.solid) .nav-cta:hover{background:var(--white);color:var(--black)}
header.solid .nav-cta:hover,body.menu-open .nav-cta:hover{background:var(--black);color:var(--white);border-color:var(--black)}
/* hamburguesa (solo móvil) */
.nav-toggle{display:none;width:22px;height:14px;position:relative}
.nav-toggle span{position:absolute;left:0;width:100%;height:1.5px;background:currentColor;transition:.35s}
.nav-toggle span:nth-child(1){top:0}
.nav-toggle span:nth-child(2){top:6px}
.nav-toggle span:nth-child(3){top:12px}
body.menu-open .nav-toggle span:nth-child(1){top:6px;transform:rotate(45deg)}
body.menu-open .nav-toggle span:nth-child(2){opacity:0}
body.menu-open .nav-toggle span:nth-child(3){top:6px;transform:rotate(-45deg)}
/* dropdown móvil */
.m-menu{position:fixed;top:var(--header-h);left:0;right:0;z-index:95;background:var(--white);border-bottom:1px solid var(--line);transform:translateY(calc(-100% - var(--header-h)));visibility:hidden;transition:transform .5s cubic-bezier(.65,0,.35,1),visibility 0s .5s;padding:10px 26px 26px}
body.menu-open .m-menu{transform:none;visibility:visible;transition:transform .5s cubic-bezier(.65,0,.35,1),visibility 0s}
.m-menu a{display:block;padding:14px 0;font-size:13px;letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid var(--line);color:var(--black);transition:opacity .3s}
.m-menu a:hover{opacity:.5}
.m-menu a:last-child{border-bottom:none}
@media(max-width:1060px){
  .nav-links{display:none}
  .nav-toggle{display:block}
}

/* ============ PLACEHOLDERS DE FOTO ============ */
.ph{position:relative;overflow:hidden;background:#101012;display:grid;place-items:center}
.ph .ph-tag{position:absolute;left:14px;bottom:12px;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.4);border:1px solid rgba(255,255,255,.18);padding:4px 9px;z-index:3}
.ph .ph-mark{font-family:var(--serif);color:rgba(255,255,255,.07);font-size:clamp(90px,16vw,230px);letter-spacing:.06em;user-select:none;z-index:1;text-align:center;line-height:1}
.ph::before{content:'';position:absolute;inset:0;background:radial-gradient(120% 90% at 70% 20%, rgba(255,255,255,.10), transparent 55%)}
.ph.warm{background:linear-gradient(135deg,#17130f 0%,#2b211a 55%,#0e0c0a 100%)}
.ph.cold{background:linear-gradient(135deg,#0d1116 0%,#1c2733 55%,#090c10 100%)}
.ph.steel{background:linear-gradient(135deg,#131416 0%,#26282c 55%,#0d0e10 100%)}
.ph.paper{background:linear-gradient(135deg,#ececea 0%,#dcdcd8 60%,#e6e6e3 100%)}
.ph.paper .ph-mark{color:rgba(0,0,0,.06)}
.ph.paper .ph-tag{color:rgba(0,0,0,.38);border-color:rgba(0,0,0,.16)}
.ph.paper::before{background:radial-gradient(120% 90% at 30% 15%, rgba(255,255,255,.7), transparent 55%)}

/* ============ HERO (inicio) ============ */
.hero{position:relative;height:100vh;min-height:560px}
.hero .ph{position:absolute;inset:0}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;height:150px;background:linear-gradient(to bottom,rgba(0,0,0,.42),transparent);z-index:4;pointer-events:none}
.hero-content{position:absolute;inset:auto 0 0 0;top:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:0 24px 12vh;color:var(--white);text-align:center;z-index:5}
.hero-kicker{font-size:11px;letter-spacing:.3em;text-transform:uppercase;opacity:.78;margin-bottom:18px}
.hero-title{font-family:var(--serif);font-size:clamp(28px,4.4vw,52px);font-weight:400;letter-spacing:.02em;margin-bottom:22px;line-height:1.12}
.hero-sub{max-width:56ch;font-size:15px;line-height:1.7;opacity:.85;margin-bottom:30px}
.hero-ctas{display:flex;gap:36px;flex-wrap:wrap;justify-content:center}
.hero .ph::after{content:'';position:absolute;inset:-50%;background:conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(255,255,255,.045) 40deg, transparent 90deg);animation:sheen 14s linear infinite}
@keyframes sheen{to{transform:rotate(360deg)}}

/* ============ PAGE HERO (páginas internas) ============ */
.page-hero{position:relative;height:64vh;min-height:440px}
.page-hero .ph{position:absolute;inset:0}
.page-hero::before{content:'';position:absolute;top:0;left:0;right:0;height:150px;background:linear-gradient(to bottom,rgba(0,0,0,.42),transparent);z-index:4;pointer-events:none}
.page-hero-content{position:absolute;inset:auto 0 0 0;top:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:0 24px 9vh;color:var(--white);text-align:center;z-index:5}
.page-hero .hero-title{margin-bottom:16px}

/* ============ EDITORIAL TEXT ============ */
.edit-txt{max-width:680px;margin:0 auto;padding:110px 24px}
.edit-txt.center{text-align:center}
.edit-txt p{font-family:var(--serif);font-size:clamp(18px,1.9vw,24px);line-height:1.6;font-weight:400;color:#1c1c1a}
.edit-txt .u-link{margin-top:30px;font-family:var(--sans)}

/* ============ SECTION HEAD ============ */
.sec-head{text-align:center;padding:104px 24px 44px}
.sec-head .kicker{display:block;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--grey-mid);margin-bottom:16px}
.sec-head h2{font-family:var(--serif);font-size:clamp(23px,2.8vw,36px);font-weight:400;letter-spacing:.02em}
.sec-head p{max-width:620px;margin:18px auto 0;font-size:15px;line-height:1.7;color:#555}

/* ============ SPLIT / TILES ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 8px}
.tile{position:relative;aspect-ratio:3/4;overflow:hidden;display:block}
.tile .ph{position:absolute;inset:0;transition:transform 1.2s cubic-bezier(.25,.46,.45,.94)}
.tile:hover .ph{transform:scale(1.045)}
.tile-label{position:absolute;inset:auto 0 0 0;display:flex;flex-direction:column;align-items:center;padding-bottom:42px;color:var(--white);z-index:5;text-align:center}
.tile-label h3{font-family:var(--serif);font-size:clamp(20px,2.2vw,28px);font-weight:400;margin-bottom:14px}
.tile::after{content:'';position:absolute;inset:40% 0 0 0;background:linear-gradient(to top,rgba(0,0,0,.5),transparent);z-index:2;pointer-events:none}

/* ============ PILARES ============ */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 8px;max-width:1200px;margin:0 auto}
.pillar{border:1px solid var(--line);padding:48px 32px;text-align:center;transition:background .4s}
.pillar:hover{background:var(--grey)}
.pillar .num{font-family:var(--serif);font-size:15px;letter-spacing:.25em;color:var(--grey-mid);display:block;margin-bottom:20px}
.pillar h3{font-size:15px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
.pillar p{font-size:13.5px;line-height:1.7;color:#555}

/* ============ MARCAS (tira simple) ============ */
.brands-row{display:flex;justify-content:center;align-items:center;gap:clamp(28px,6vw,80px);flex-wrap:wrap;padding:10px 24px 0}
.brands-row span{font-family:var(--serif);font-size:clamp(26px,4vw,46px);letter-spacing:.04em;color:var(--black)}

/* ============ SERVICIO BANNER ============ */
.svc{position:relative;height:78vh;min-height:480px;margin-top:110px}
.svc .ph{position:absolute;inset:0}
.svc-content{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--white);text-align:center;z-index:5;padding:0 24px}
.svc-content .hero-kicker{margin-bottom:16px}
.svc-content h2{font-family:var(--serif);font-size:clamp(24px,3.2vw,40px);font-weight:400;max-width:760px;margin-bottom:14px;line-height:1.15}
.svc-content p{font-size:15px;max-width:560px;line-height:1.7;opacity:.86;margin-bottom:30px}

/* ============ PROCESO (timeline numerada) ============ */
.steps{max-width:900px;margin:0 auto;padding:0 24px}
.step{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step .s-num{font-family:var(--serif);font-size:26px;color:var(--grey-mid)}
.step h3{font-size:14px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px}
.step p{font-size:14px;line-height:1.7;color:#555}

/* ============ GALERÍA ============ */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 8px;max-width:1280px;margin:0 auto}
.gallery .ph{aspect-ratio:4/3;transition:transform 1.1s cubic-bezier(.25,.46,.45,.94)}
.gallery .g-item{overflow:hidden}
.gallery .g-item:hover .ph{transform:scale(1.04)}
@media(max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gallery{grid-template-columns:1fr}}

/* ============ CONTACTO / INFO ============ */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;max-width:1100px;margin:0 auto;padding:96px 24px;align-items:start}
.info-list{margin-top:8px}
.info-item{padding:16px 0;border-bottom:1px solid var(--line)}
.info-item b{display:block;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--grey-mid);margin-bottom:6px;font-weight:500}
.info-item span{font-size:15px;color:#2c2c2a}
.blk-kicker{display:block;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--grey-mid);margin-bottom:16px}
.blk-title{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);font-weight:400;margin-bottom:16px}
.blk-lead{font-size:15px;line-height:1.7;color:#555;max-width:46ch}

/* ============ FORMULARIOS ============ */
.form{display:flex;flex-direction:column;gap:26px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--grey-mid)}
.field input,.field select,.field textarea{border:none;border-bottom:1px solid var(--black);padding:9px 2px;font-size:15px;font-family:inherit;font-weight:300;background:transparent;outline:none;transition:border-color .3s}
.field textarea{resize:vertical;min-height:90px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--grey-mid)}
.field input::placeholder,.field textarea::placeholder{color:var(--grey-mid)}
.radio-row{display:flex;gap:24px;padding-top:4px}
.radio{display:flex;align-items:center;gap:8px;font-size:14px;color:#2c2c2a;text-transform:none;letter-spacing:0}
.field-hint{font-size:11.5px;color:var(--grey-mid);line-height:1.5}
.btn-submit{align-self:flex-start;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;border:1px solid var(--black);padding:14px 34px;transition:background .35s,color .35s}
.btn-submit:hover{background:var(--black);color:var(--white)}
.form-note{font-size:12px;color:var(--grey-mid);line-height:1.6}
.form-msg{display:none;font-size:14px;color:var(--black);font-weight:400;line-height:1.6}

/* ============ FOOTER ============ */
footer{background:var(--black);color:#c9c9c5;padding:80px 24px 34px;margin-top:110px}
.f-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;max-width:1200px;margin:0 auto}
.f-brand .h-logo-f{font-family:var(--serif);font-size:22px;letter-spacing:.3em;color:var(--white);text-transform:uppercase;display:block;margin-bottom:22px}
.f-brand p{font-size:13px;line-height:1.7;max-width:300px;color:#8f8f8b}
.f-col h4{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--white);font-weight:500;margin-bottom:20px}
.f-col ul{display:flex;flex-direction:column;gap:12px}
.f-col a{font-size:13px;color:#9a9a96;transition:color .3s}
.f-col a:hover{color:var(--white)}
.f-bottom{max-width:1200px;margin:64px auto 0;padding-top:26px;border-top:1px solid #232320;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:11.5px;color:#777773;letter-spacing:.06em}

/* ============ WHATSAPP FLOTANTE ============ */
.wa{position:fixed;right:22px;bottom:22px;z-index:80;width:52px;height:52px;border-radius:50%;background:var(--black);color:var(--white);display:grid;place-items:center;box-shadow:0 6px 24px rgba(0,0,0,.25);transition:transform .3s,background .3s}
.wa:hover{transform:scale(1.08);background:#222}
.wa svg{width:24px;height:24px;fill:currentColor}

/* ============ RESPONSIVE ============ */
@media(max-width:820px){
  .pillars{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .tile{aspect-ratio:4/5}
  .two-col{grid-template-columns:1fr;gap:48px;padding:72px 24px}
  .form .row{grid-template-columns:1fr}
  .edit-txt,.svc{margin-top:0}
}