/* =====================================================================
   CALCOMANÍAS LÓPEZ — Home Landing V12
   Identidad: amarillo #FFD400 · rojo #ED1B24 · carbón · blanco
   Tipografía: Saira Condensed (display) · Saira (texto) · Saira Stencil One (etiquetas)
   ===================================================================== */

:root{
  --carbon:#000000;
  --carbon-2:#080808;
  --panel:#050505;
  --panel-2:#000000;
  --yellow:#ffd400;
  --yellow-deep:#f4b400;
  --red:#ed1b24;
  --red-deep:#bf1119;
  --bone:#ffffff;
  --steel:#ffffff;
  --steel-dim:#ffd400;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);

  --maxw:1180px;
  --pad:clamp(20px,5vw,64px);

  --shadow-lift:0 18px 50px -18px rgba(0,0,0,.75);
  --ease:cubic-bezier(.2,.7,.2,1);

  --ff-display:"Saira Condensed",system-ui,sans-serif;
  --ff-body:"Saira",system-ui,sans-serif;
  --ff-stencil:"Saira Stencil One",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff-body);
  background:var(--carbon);
  color:var(--bone);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}

/* ----- carbon-fibre ambient texture (CSS only, ultra light) ----- */
body::before{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.018) 0 2px,transparent 2px 4px),
    repeating-linear-gradient(-45deg,rgba(0,0,0,.25) 0 2px,transparent 2px 4px),
    radial-gradient(1200px 700px at 75% -10%,rgba(237,27,36,.10),transparent 60%),
    radial-gradient(900px 600px at 0% 110%,rgba(255,212,0,.07),transparent 55%);
}

/* ====================== UTILITIES ====================== */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.eyebrow{
  font-family:var(--ff-stencil);
  font-size:clamp(.7rem,1.4vw,.82rem);
  letter-spacing:.22em;
  color:var(--yellow);
  text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.6em;
  margin:0 0 .9rem;
}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--red);display:inline-block}

.section{position:relative;z-index:1;padding-block:clamp(64px,9vw,120px)}
.section-head{max-width:720px;margin-bottom:clamp(36px,6vw,60px)}
.section-head h2{
  font-family:var(--ff-display);
  font-weight:800;font-style:italic;
  font-size:clamp(2.1rem,6vw,4rem);
  line-height:.95;letter-spacing:-.01em;
  margin:0;text-transform:uppercase;
}
.section-head h2 em{color:var(--yellow);font-style:italic}
.section-head p{color:var(--steel);font-size:clamp(1rem,2vw,1.12rem);margin:.9rem 0 0;max-width:54ch}

/* ====================== BUTTONS ====================== */
.btn{
  --bg:var(--yellow);--fg:#161200;
  position:relative;display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--ff-display);font-weight:700;font-style:italic;
  text-transform:uppercase;letter-spacing:.04em;
  font-size:1.02rem;line-height:1;
  padding:.95em 1.5em;
  color:var(--fg);background:var(--bg);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
  box-shadow:0 10px 24px -10px rgba(255,212,0,.5);
}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn:hover{transform:translateY(-2px);filter:saturate(1.1) brightness(1.03);box-shadow:0 16px 30px -12px rgba(255,212,0,.6)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:3px solid var(--bone);outline-offset:3px}

.btn--wa{--bg:var(--red);--fg:#fff;box-shadow:0 10px 24px -10px rgba(237,27,36,.6)}
.btn--wa:hover{box-shadow:0 16px 30px -12px rgba(237,27,36,.7)}

.btn--ghost{
  --bg:transparent;--fg:var(--bone);
  border:2px solid var(--line-strong);box-shadow:none;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.btn--ghost:hover{border-color:var(--yellow);color:var(--yellow);box-shadow:none}

.btn--lg{font-size:1.12rem;padding:1.05em 1.8em}

/* ====================== HERO / PARALLAX ====================== */
.hero{
  position:relative;z-index:1;
  min-height:100svh;
  display:flex;align-items:center;
  padding:clamp(122px,16vh,176px) 0 clamp(60px,10vh,110px);
  overflow:hidden;isolation:isolate;
}
/* parallax layers */
.hero-layer{position:absolute;inset:-10% -5%;z-index:-1;will-change:transform}
/* NEW EFFECT — fine diagonal "carbon/asphalt" hairlines, slowly drifting */
.hero-hatch{
  inset:-15%;
  background-image:repeating-linear-gradient(118deg,rgba(255,255,255,.035) 0 1px,transparent 1px 9px);
  opacity:.55;
  -webkit-mask-image:radial-gradient(120% 95% at 70% 35%,#000 35%,transparent 78%);
          mask-image:radial-gradient(120% 95% at 70% 35%,#000 35%,transparent 78%);
  animation:hatchDrift 26s linear infinite;
}
@keyframes hatchDrift{to{background-position:240px 0}}
/* NEW EFFECT — glossy diagonal light-sweep, like sheen across a decal */
.hero-sheen{
  inset:-30%;
  background:linear-gradient(118deg,transparent 43%,rgba(255,212,0,.06) 50%,transparent 57%);
  background-size:260% 100%;
  animation:sheen 8s ease-in-out infinite;
}
@keyframes sheen{0%{background-position:130% 0}100%{background-position:-30% 0}}
/* moving speed streaks */
.hero-streaks{opacity:.5}
.hero-streaks span{
  position:absolute;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--yellow),transparent);
  animation:streak 3.4s linear infinite;
}
.hero-streaks span:nth-child(1){top:22%;left:-30%;width:40%;animation-delay:0s;opacity:.7}
.hero-streaks span:nth-child(2){top:46%;left:-30%;width:55%;animation-delay:1.1s;background:linear-gradient(90deg,transparent,var(--red),transparent)}
.hero-streaks span:nth-child(3){top:68%;left:-30%;width:35%;animation-delay:.6s;opacity:.6}
.hero-streaks span:nth-child(4){top:83%;left:-30%;width:48%;animation-delay:1.8s;background:linear-gradient(90deg,transparent,var(--red),transparent);opacity:.5}
@keyframes streak{from{transform:translateX(0)}to{transform:translateX(220vw)}}

.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,5vw,56px);
  align-items:center;width:100%;
}
.hero-copy{max-width:600px}
.hero-copy h1{
  font-family:var(--ff-display);font-weight:800;font-style:italic;
  text-transform:uppercase;line-height:.9;letter-spacing:-.015em;
  font-size:clamp(2.2rem,8vw,5.6rem);
  margin:.2rem 0 0;max-width:100%;overflow-wrap:break-word;
}
.hero-copy h1 .line2{color:var(--yellow);display:block;
  text-shadow:0 0 30px rgba(255,212,0,.25)}
.hero-copy .sub{
  color:var(--steel);font-size:clamp(1.05rem,2.3vw,1.3rem);
  margin:1.2rem 0 0;max-width:46ch;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.9rem}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:2.2rem;
  padding-top:1.6rem;border-top:1px solid var(--line);
}
.hero-meta div{min-width:110px}
.hero-meta .k{font-family:var(--ff-stencil);font-size:.66rem;letter-spacing:.18em;color:var(--steel-dim);text-transform:uppercase}
.hero-meta .v{font-family:var(--ff-display);font-style:italic;font-weight:700;font-size:1.18rem;color:var(--bone)}

/* logo stage */
.hero-stage{position:relative;display:flex;justify-content:center;align-items:center}
.hero-stage::before{
  content:"";position:absolute;width:120%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(255,212,0,.18),transparent 62%);
  filter:blur(8px);z-index:-1;
}
.hero-logo{
  width:auto;height:auto;
  max-width:min(560px,92%);max-height:62vh;
  filter:drop-shadow(0 28px 46px rgba(0,0,0,.6));
  animation:float 6s ease-in-out infinite;will-change:transform;
}
@keyframes float{0%,100%{transform:translateY(-8px)}50%{transform:translateY(8px)}}

.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  z-index:2;display:flex;flex-direction:column;align-items:center;gap:.5rem;
  font-family:var(--ff-stencil);font-size:.6rem;letter-spacing:.24em;color:var(--steel-dim);text-transform:uppercase;
}
.scroll-cue .bar{width:2px;height:42px;background:linear-gradient(var(--yellow),transparent);animation:cue 1.8s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.01%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

@media (max-width:860px){
  .hero{padding-top:clamp(96px,14vh,130px)}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-copy{max-width:none;margin-inline:auto}
  .hero-copy h1{font-size:clamp(2.1rem,9vw,3.4rem)}
  .hero-copy .sub{margin-inline:auto}
  .hero-cta{justify-content:center}
  .hero-cta .btn{flex:1 1 auto;justify-content:center;min-width:0}
  .hero-meta{justify-content:center}
  .hero-stage{order:-1;margin-bottom:1rem}
  .hero-logo{width:auto;height:auto;max-width:min(420px,82%);max-height:42vh}
  .scroll-cue{display:none}
}


/* ====================== RACING STRIPE DIVIDER ====================== */
.stripe{
  position:relative;z-index:1;height:54px;overflow:hidden;
  background:repeating-linear-gradient(135deg,var(--yellow) 0 28px,#000 28px 30px,var(--red) 30px 58px,#000 58px 60px);
  background-size:200% 100%;
}
.stripe.flow{animation:slide 18s linear infinite}
@keyframes slide{to{background-position:200% 0}}

/* ====================== SERVICES ====================== */
.services{background:var(--carbon-2)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem}
.card{
  position:relative;background:var(--panel);
  border:1px solid var(--line);
  padding:1.7rem 1.5rem 1.6rem;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
  overflow:hidden;transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.card::after{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--red);transition:background .25s}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong);background:var(--panel-2)}
.card:hover::after{background:var(--yellow)}
.card .num{font-family:var(--ff-stencil);font-size:.7rem;letter-spacing:.2em;color:var(--steel-dim)}
.card h3{font-family:var(--ff-display);font-style:italic;font-weight:700;text-transform:uppercase;font-size:1.45rem;margin:.5rem 0 .5rem;letter-spacing:.005em}
.card p{color:var(--steel);margin:0;font-size:.98rem}

/* ====================== CATALOG BAND (parallax) ====================== */
.catalog{
  position:relative;z-index:1;overflow:hidden;isolation:isolate;
  padding-block:clamp(80px,12vw,150px);
  background:linear-gradient(180deg,var(--carbon) 0%,#0c0606 100%);
}
.catalog-bg{
  position:absolute;inset:-15% -10%;z-index:-1;will-change:transform;
  background:
    radial-gradient(700px 400px at 80% 30%,rgba(237,27,36,.22),transparent 60%),
    radial-gradient(600px 360px at 12% 80%,rgba(255,212,0,.14),transparent 60%);
}
.catalog-rays{
  position:absolute;z-index:-1;top:-20%;right:-12%;width:58%;height:140%;
  background:repeating-linear-gradient(112deg,
    rgba(255,212,0,.10) 0 3px,transparent 3px 38px,
    rgba(237,27,36,.10) 38px 41px,transparent 41px 78px);
  opacity:.5;transform:skewX(-8deg);will-change:transform;
  -webkit-mask-image:linear-gradient(112deg,transparent,#000 40%,transparent 92%);
          mask-image:linear-gradient(112deg,transparent,#000 40%,transparent 92%);
}
.catalog-inner{max-width:760px}
.catalog h2{font-family:var(--ff-display);font-style:italic;font-weight:800;text-transform:uppercase;line-height:.95;font-size:clamp(2.2rem,6.5vw,4.4rem);margin:0}
.catalog h2 em{color:var(--yellow);font-style:italic}
.catalog p{color:var(--steel);font-size:clamp(1.02rem,2vw,1.18rem);margin:1.1rem 0 2rem;max-width:52ch}

/* ====================== CONTACT ====================== */
.contact{background:var(--carbon-2)}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(28px,5vw,56px);align-items:start}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:1.2rem}
.contact-list li{display:flex;gap:1rem;align-items:flex-start}
.contact-ic{
  flex:none;width:46px;height:46px;display:grid;place-items:center;
  background:var(--panel);border:1px solid var(--line);color:var(--yellow);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.contact-ic svg{width:22px;height:22px}
.contact-list .k{font-family:var(--ff-stencil);font-size:.64rem;letter-spacing:.18em;color:var(--steel-dim);text-transform:uppercase}
.contact-list .v{font-size:1.06rem;color:var(--bone)}
.contact-list .v a:hover{color:var(--yellow)}
.contact-cta{
  background:var(--panel);border:1px solid var(--line);padding:1.8rem;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%);
}
.contact-cta h3{font-family:var(--ff-display);font-style:italic;font-weight:700;text-transform:uppercase;font-size:1.6rem;margin:0 0 .4rem}
.contact-cta p{color:var(--steel);margin:0 0 1.3rem}
.contact-cta .btn{width:100%;justify-content:center}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}

/* ====================== ENTRY PRELOADER ====================== */
.intro{
  position:fixed;inset:0;z-index:1000;display:grid;place-items:center;
  background:radial-gradient(120% 120% at 50% 40%,#0e0e0e 0%,#000 100%);
  overflow:hidden;
}
.intro .speed{position:absolute;inset:0;overflow:hidden}
.intro .speed i{
  position:absolute;left:-40%;height:3px;width:60%;border-radius:3px;
  background:linear-gradient(90deg,transparent,var(--yellow),transparent);
  animation:introStreak .9s var(--ease) forwards;
}
.intro .speed i:nth-child(2){top:30%;background:linear-gradient(90deg,transparent,var(--red),transparent);animation-delay:.05s}
.intro .speed i:nth-child(1){top:18%;animation-delay:0s}
.intro .speed i:nth-child(3){top:44%;animation-delay:.12s}
.intro .speed i:nth-child(4){top:60%;background:linear-gradient(90deg,transparent,var(--red),transparent);animation-delay:.08s}
.intro .speed i:nth-child(5){top:74%;animation-delay:.16s}
@keyframes introStreak{0%{transform:translateX(0) scaleX(.6);opacity:0}30%{opacity:1}100%{transform:translateX(220%) scaleX(1.4);opacity:0}}

.intro-logo{
  width:auto;height:auto;
  max-width:min(440px,78vw);max-height:46vh;
  filter:drop-shadow(0 20px 50px rgba(0,0,0,.7));
  animation:introIn 1.15s var(--ease) .15s both;
}
@keyframes introIn{
  0%{opacity:0;transform:translateX(-60px) scale(.8) skewX(8deg);filter:blur(6px) drop-shadow(0 20px 50px rgba(0,0,0,.7))}
  55%{opacity:1;transform:translateX(8px) scale(1.04) skewX(-2deg);filter:blur(0) drop-shadow(0 20px 50px rgba(0,0,0,.7))}
  100%{opacity:1;transform:translateX(0) scale(1) skewX(0);filter:blur(0) drop-shadow(0 20px 50px rgba(0,0,0,.7))}
}
.intro.hide{animation:introOut .55s var(--ease) forwards}
@keyframes introOut{to{opacity:0;visibility:hidden;transform:scale(1.06)}}

/* fade-up on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* lock scroll while intro plays */
body.intro-lock{overflow:hidden}


/* ====================== SISTEMA DE VELOCIDAD ESTÁTICO ====================== */
body.speed-static .hero-layer,
body.speed-static .catalog-bg,
body.speed-static .catalog-rays{will-change:auto}
body.speed-static .hero-streaks span,
body.speed-static .stripe.flow,
body.speed-static .scroll-cue .bar,
body.speed-static .hero-logo,
body.speed-static .intro .speed i,
body.speed-static .intro-logo{animation:none!important}
body.speed-static .reveal{opacity:1;transform:none;transition:none}
body.speed-static .card:hover,
body.speed-static .btn:hover{transform:none}
body.speed-static .scroll-cue{display:none}
.services,.catalog,.contact{content-visibility:auto;contain-intrinsic-size:1px 900px}

/* ====================== SISTEMA INTRO LIGERO ====================== */
body.speed-dynamic[data-performance="intro"] .hero-layer,
body.speed-dynamic[data-performance="intro"] .catalog-bg,
body.speed-dynamic[data-performance="intro"] .catalog-rays{will-change:auto}
body.speed-dynamic[data-performance="intro"] .hero-streaks span,
body.speed-dynamic[data-performance="intro"] .stripe.flow,
body.speed-dynamic[data-performance="intro"] .scroll-cue .bar,
body.speed-dynamic[data-performance="intro"] .hero-logo{animation:none!important}
body.speed-dynamic[data-performance="intro"] .reveal{opacity:1;transform:none;transition:none}
body.speed-dynamic[data-performance="intro"] .card:hover,
body.speed-dynamic[data-performance="intro"] .btn:hover{transform:none}
body.speed-dynamic[data-performance="intro"] .scroll-cue{display:none}

/* ====================== REDUCED MOTION ====================== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .hero-logo{animation:none}
  .reveal{opacity:1;transform:none}
}