/* =========================================================================
   PINTURAS TÉCNICOL — CAPA PREMIUM
   Sistema de diseño de estudio: tipografía editorial, ritmo, profundidad,
   micro-interacciones. Se carga DESPUÉS de styles.css y prefija con
   .premium para elevar la especificidad sobre el sistema base.
   ========================================================================= */

.premium{
  --navy:#00205B; --navy-2:#001A4A; --navy-ink:#070E24;
  --orange:#FE5000; --orange-2:#E24500;
  --paper:#FAF8F4; --paper-2:#F2EEE7; --ink:#171A21; --muted:#6B7180;
  --line:rgba(10,16,36,.10); --line-2:rgba(10,16,36,.16);
  --gold:#C8960C;
  --ease:cubic-bezier(.22,.61,.28,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --r:16px; --r-lg:26px; --r-xl:34px;
  --sh-1:0 1px 2px rgba(10,16,36,.05), 0 10px 30px -16px rgba(10,16,36,.22);
  --sh-2:0 4px 14px rgba(10,16,36,.07), 0 40px 80px -30px rgba(10,16,36,.30);
  /* Tipografía oficial de marca: Montserrat (sustituta autorizada: Arial). */
  --disp:'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --sans:'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --maxw:1240px;
}
.premium{background:var(--paper);color:var(--ink);font-family:var(--sans);
  letter-spacing:-.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.premium ::selection{background:var(--orange);color:#fff}
.premium .wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px}
.premium img{-webkit-user-drag:none}

/* ---------- Tipografía editorial ---------- */
.premium h1,.premium h2{font-family:var(--sans);font-weight:800;letter-spacing:-.022em;
  line-height:1.05;color:var(--navy)}
.premium h1{font-size:clamp(2.5rem,5.6vw,4.7rem)}
.premium h2{font-size:clamp(1.95rem,3.7vw,3.1rem)}
.premium h3{font-family:var(--sans);font-weight:700;letter-spacing:-.01em;color:var(--navy)}
.premium h1 em,.premium h2 em{font-style:normal;color:var(--orange);font-weight:800}
.premium p{color:var(--muted);line-height:1.72}
.premium .lead{font-size:1.16rem;color:#404652;line-height:1.65}
.premium .eyebrow{font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.26em;
  text-transform:uppercase;color:var(--orange);display:inline-flex;align-items:center;gap:13px;margin-bottom:20px}
.premium .eyebrow::before{content:"";width:28px;height:1.5px;background:currentColor;opacity:.7}
.premium .center .eyebrow{justify-content:center}

/* ---------- Botones premium (relleno deslizante) ---------- */
.premium .btn{position:relative;overflow:hidden;isolation:isolate;font-family:var(--sans);
  font-weight:600;letter-spacing:.015em;font-size:.93rem;padding:15px 32px;border-radius:999px;
  border:1.5px solid transparent;transition:transform .55s var(--ease-out),color .35s var(--ease),box-shadow .55s var(--ease)}
.premium .btn::after{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;
  transform:translateY(102%);transition:transform .55s var(--ease-out)}
.premium .btn:hover{transform:translateY(-3px)}
.premium .btn:hover::after{transform:translateY(0)}
.premium .btn--primary{background:var(--orange);color:#fff;box-shadow:0 16px 34px -14px rgba(254,80,0,.75)}
.premium .btn--primary::after{background:var(--navy)}
.premium .btn--primary:hover{box-shadow:0 24px 50px -18px rgba(0,32,91,.6)}
.premium .btn--ghost{background:transparent;border-color:var(--line-2);color:var(--navy)}
.premium .btn--ghost::after{background:var(--navy)}
.premium .btn--ghost:hover{color:#fff;border-color:var(--navy)}
.premium .btn--light{background:#fff;color:var(--navy);border-color:transparent;box-shadow:var(--sh-1)}
.premium .btn--light::after{background:var(--orange)}
.premium .btn--light:hover{color:#fff}
.premium .btn--navy{background:var(--navy);color:#fff}
.premium .btn--navy::after{background:var(--orange)}
.premium .btn--navy:hover{color:#fff}

/* ---------- Header inteligente ---------- */
.premium .site-header{background:transparent;border-bottom:1px solid transparent;
  transition:background .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease),backdrop-filter .5s}
.premium .site-header.scrolled{background:rgba(250,248,244,.82);backdrop-filter:saturate(180%) blur(18px);
  border-bottom-color:var(--line);box-shadow:0 18px 50px -34px rgba(10,16,36,.5)}
.premium .site-header .nav{height:86px;transition:height .5s var(--ease)}
.premium .site-header.scrolled .nav{height:70px}
.premium .brand img{height:42px;transition:height .5s var(--ease)}
.premium .site-header.scrolled .brand img{height:36px}
.premium .nav-links a{position:relative;font-weight:600;letter-spacing:.005em;color:var(--navy);padding:9px 15px}
.premium .nav-links a:hover{background:transparent}
.premium .nav-links a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:1.5px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease-out)}
.premium .nav-links a:hover::after,.premium .nav-links a.active::after{transform:scaleX(1)}
.premium .nav-links a.active{color:var(--orange)}
.premium .nav-cta a{box-shadow:0 12px 26px -14px rgba(254,80,0,.8)}

/* ---------- Layout / secciones ---------- */
.premium .section{padding:clamp(72px,10vw,132px) 0}
.premium .section--soft{background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%)}
.premium .center{max-width:760px}
.premium .stripe{height:1px;background:var(--line);opacity:.9}

/* ---------- HERO cinemático ---------- */
.premium .hero{position:relative;overflow:hidden;padding-top:120px;padding-bottom:96px;
  background:
    radial-gradient(1200px 600px at 82% 8%, rgba(254,80,0,.10), transparent 62%),
    radial-gradient(900px 700px at 12% 92%, rgba(0,32,91,.07), transparent 60%),
    linear-gradient(180deg,#FCFAF7 0%, var(--paper-2) 100%)}
.premium .hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;-webkit-mask-image:radial-gradient(circle at 70% 40%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 70% 40%,#000,transparent 72%);opacity:.5}
.premium .hero .wrap{position:relative}
.premium .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.premium .hero-copy h1{margin:14px 0 0}
.premium .hero-lead{font-size:1.22rem;color:#3c424e;line-height:1.6;max-width:520px;margin-top:24px}
.premium .hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.premium .hero-stats{display:flex;gap:44px;margin-top:52px;padding-top:34px;border-top:1px solid var(--line)}
.premium .hero-stats > div b{font-family:var(--sans);font-weight:800;font-size:2.5rem;color:var(--navy);display:block;line-height:1;letter-spacing:-.02em}
.premium .hero-stats > div span{font-size:.82rem;color:var(--muted);letter-spacing:.02em;margin-top:6px;display:block}

/* Escenario del producto */
.premium .hero-stage{position:relative;display:grid;place-items:center;min-height:440px}
.premium .hero-glow{position:absolute;width:74%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(254,80,0,.22),rgba(254,80,0,0) 68%);filter:blur(8px)}
.premium .hero-pedestal{position:absolute;bottom:14%;width:60%;height:26px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(0,32,91,.22),transparent 70%);filter:blur(6px)}
/* Foto del laboratorio como ancla del hero */
.premium .hero-photo{position:relative;z-index:2;margin:0;border-radius:26px;overflow:hidden;
  box-shadow:var(--sh-2);outline:1px solid rgba(255,255,255,.55);outline-offset:-1px}
.premium .hero-photo img{display:block;width:100%;height:clamp(340px,42vw,486px);object-fit:cover}
.premium .hero-photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(0,18,54,.24))}
.premium .hero-chip .ok{width:19px;height:19px;border-radius:50%;background:#12925E;color:#fff;
  display:grid;place-items:center;font-size:.6rem;box-shadow:none}
.premium .hero-can{position:relative;z-index:2;max-height:430px;width:auto;
  filter:drop-shadow(0 40px 50px rgba(0,32,91,.28));animation:floaty 6s var(--ease) infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.premium .hero-chip{position:absolute;z-index:3;display:flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.72);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--sh-1);padding:9px 14px 9px 10px;border-radius:999px;font-size:.8rem;font-weight:600;color:var(--navy);white-space:nowrap}
.premium .hero-chip i{width:18px;height:18px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.premium .hero-chip.c1{top:12%;left:-2%;animation:floaty 7s var(--ease) infinite}
.premium .hero-chip.c2{top:44%;right:-4%;animation:floaty 8s var(--ease) .6s infinite}
.premium .hero-chip.c3{bottom:16%;left:6%;animation:floaty 6.5s var(--ease) .3s infinite}
.premium .hero-scroll{position:absolute;left:30px;bottom:26px;font-size:.7rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px}
.premium .hero-scroll::before{content:"";width:44px;height:1px;background:currentColor;
  animation:scrollLine 2.4s var(--ease) infinite}
@keyframes scrollLine{0%,100%{opacity:.3;transform:scaleX(.4);transform-origin:left}50%{opacity:1;transform:scaleX(1)}}

/* ---------- Marquee de sellos ---------- */
.premium .marquee{background:var(--navy);color:#fff;overflow:hidden;padding:20px 0;position:relative}
.premium .marquee::before,.premium .marquee::after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2}
.premium .marquee::before{left:0;background:linear-gradient(90deg,var(--navy),transparent)}
.premium .marquee::after{right:0;background:linear-gradient(270deg,var(--navy),transparent)}
.premium .marquee-track{display:inline-flex;gap:0;white-space:nowrap;animation:marq 34s linear infinite;will-change:transform}
.premium .marquee-track span{display:inline-flex;align-items:center;font-family:var(--sans);
  font-size:.95rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;padding:0 34px;color:rgba(255,255,255,.88)}
.premium .marquee-track span::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);margin-left:68px}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- Tarjetas de línea (editorial) ---------- */
.premium .line-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .6s var(--ease-out),box-shadow .6s var(--ease),border-color .6s}
.premium .line-card::before{content:"";position:absolute;left:0;top:0;height:100%;width:3px;
  background:var(--orange);transform:scaleY(0);transform-origin:top;transition:transform .55s var(--ease-out)}
.premium .line-card:hover{transform:translateY(-8px);box-shadow:var(--sh-2);border-color:transparent}
.premium .line-card:hover::before{transform:scaleY(1)}
.premium .line-card .tag{color:var(--orange);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.68rem}
.premium .line-card h3{font-size:1.4rem;margin:12px 0 8px}
.premium .line-card p{font-size:.94rem}

/* ---------- Tarjetas "por qué" / laboratorio ---------- */
.premium .card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;
  box-shadow:var(--sh-1);transition:transform .6s var(--ease-out),box-shadow .6s var(--ease)}
.premium .card:hover{transform:translateY(-7px);box-shadow:var(--sh-2)}
.premium .card .ico{width:56px;height:56px;border-radius:16px;font-size:1.5rem;margin-bottom:18px;
  display:grid;place-items:center;color:#fff}
.premium .card h3{font-size:1.12rem;margin-bottom:8px}
.premium .card p{font-size:.92rem}

/* ---------- Producto (catálogo) refinado ---------- */
.premium .product{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;
  box-shadow:var(--sh-1);transition:transform .6s var(--ease-out),box-shadow .6s var(--ease)}
.premium .product:hover{transform:translateY(-8px);box-shadow:var(--sh-2)}
.premium .product .can--img{height:280px;background:radial-gradient(120% 120% at 50% 20%,#fff, #EEF1F6)}
.premium .product .can--img img{transition:transform .7s var(--ease-out)}
.premium .product:hover .can--img img{transform:scale(1.06) translateY(-4px)}
.premium .product h3{font-size:1.2rem}
.premium .product .cat{color:var(--orange);letter-spacing:.14em}
.premium .product .sw{width:19px;height:19px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1);transition:transform .3s}
.premium .product:hover .sw{transform:translateY(-1px)}
.premium .ver-paleta{color:var(--orange);font-weight:700}

/* ---------- Bandas oscuras / CTA ---------- */
.premium .section--navy{background:
   radial-gradient(900px 500px at 85% 0%, rgba(254,80,0,.14), transparent 60%),
   linear-gradient(160deg,var(--navy) 0%, var(--navy-ink) 100%)}
.premium .section--navy h2,.premium .section--navy h3{color:#fff}
.premium .section--navy p{color:rgba(255,255,255,.8)}
.premium .cta-band{position:relative;background:
   radial-gradient(700px 380px at 80% 10%, rgba(254,80,0,.16), transparent 60%),
   linear-gradient(150deg,var(--navy),var(--navy-ink));color:#fff;border-radius:var(--r-xl);
   padding:clamp(44px,6vw,72px);box-shadow:var(--sh-2);overflow:hidden}
.premium .cta-band h2{color:#fff}
.premium .cta-band p{color:rgba(255,255,255,.82)}
.premium .page-head{background:
   radial-gradient(800px 420px at 80% 0%, rgba(254,80,0,.13), transparent 60%),
   linear-gradient(160deg,var(--navy) 0%, var(--navy-ink) 100%);padding:clamp(88px,11vw,140px) 0 clamp(64px,8vw,96px)}
.premium .page-head h1{color:#fff}
.premium .page-head .eyebrow{color:#FF7A3D}
.premium .page-head p{color:rgba(255,255,255,.82)}

/* ---------- Swatch grid del hero (si se usa) ---------- */
.premium .swatch-grid{box-shadow:var(--sh-2);border-radius:26px}
.premium .swatch{border-radius:16px;transition:transform .5s var(--ease-out)}
.premium .swatch:hover{transform:translateY(-3px) scale(1.02)}

/* ---------- Laboratorio: hero + galería ---------- */
.premium .lab-hero{border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.premium .lab-gallery{gap:18px}
.premium .lab-shot{border-radius:18px;box-shadow:var(--sh-1);position:relative}
.premium .lab-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,32,91,.28));
  opacity:0;transition:opacity .5s var(--ease)}
.premium .lab-shot:hover::after{opacity:1}
.premium .lab-shot img{transition:transform .8s var(--ease-out)}
.premium .lab-shot:hover img{transform:scale(1.07)}

/* ---------- Footer premium ---------- */
.premium .site-footer{background:linear-gradient(180deg,var(--navy-ink),#04091A);position:relative}
.premium .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(254,80,0,.6),transparent)}
.premium .site-footer h4{letter-spacing:.14em;text-transform:uppercase;font-size:.74rem;color:#fff;opacity:.7}
.premium .site-footer a{transition:color .3s,transform .3s}
.premium .site-footer a:hover{color:var(--orange)}

/* ---------- Reveals escalonados ---------- */
.premium .reveal{opacity:0;transform:translateY(30px);
  transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.premium .reveal.in{opacity:1;transform:none}
.premium [data-stagger] > *{opacity:0;transform:translateY(26px);
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.premium [data-stagger].in > *{opacity:1;transform:none}
.premium [data-stagger].in > *:nth-child(2){transition-delay:.08s}
.premium [data-stagger].in > *:nth-child(3){transition-delay:.16s}
.premium [data-stagger].in > *:nth-child(4){transition-delay:.24s}
.premium [data-stagger].in > *:nth-child(5){transition-delay:.32s}
.premium [data-stagger].in > *:nth-child(6){transition-delay:.40s}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .premium .hero{padding-top:96px}
  .premium .hero-grid{grid-template-columns:1fr;gap:36px}
  .premium .hero-stage{min-height:340px;order:-1}
  .premium .hero-can{max-height:320px}
  .premium .hero-scroll{display:none}
}
@media(max-width:560px){
  .premium .hero-stats{gap:26px;flex-wrap:wrap}
  .premium .hero-stats > div b{font-size:2rem}
  .premium .marquee-track span{font-size:1.2rem}
}

/* ---------- Accesibilidad: menos movimiento ---------- */
@media(prefers-reduced-motion:reduce){
  .premium *,.premium *::before,.premium *::after{animation:none!important;transition-duration:.001ms!important}
  .premium .reveal,.premium [data-stagger] > *{opacity:1!important;transform:none!important}
}