/* ==========================================================================
   MecánicaMoto — hoja de estilos v2
   Tema: "taller abierto de noche" — oscuro, con carruseles estilo streaming
   ========================================================================== */

/* Las fuentes se cargan como <link> en el <head> de cada página (más rápido que @import) */

:root{
  --paper: #121110;
  --paper-raised: #1C1B18;
  --paper-raised-2: #242320;
  --ink: #F2EFE6;
  --ink-soft: #C6C2B6;
  --steel: #8B887F;
  --line: #322F29;
  --blue: #6BB3DC;
  --blue-deep: #0C232D;
  --amber: #EFA83E;
  --amber-dim: #B47B2A;
  --amber-soft: #2E2213;

  --display: 'Archivo', sans-serif;
  --body: 'Source Serif 4', Georgia, serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --max: 1200px;
}

/* colores por categoría, usados en chips/eyebrows/thumbs */
.cat-motor{ --catA:#EFA83E; --catB:#7A5013; }
.cat-frenos{ --catA:#E8785A; --catB:#7A2E1B; }
.cat-transmision{ --catA:#6BB3DC; --catB:#1B4A63; }
.cat-neumaticos{ --catA:#B79FE0; --catB:#3E2E63; }
.cat-electrico{ --catA:#5FD6C0; --catB:#155246; }
.cat-chasis{ --catA:#A9C46C; --catB:#3C4A1F; }
.cat-general{ --catA:#C6C2B6; --catB:#3A382F; }
.cat-diagnostico{ --catA:#E0A6C4; --catB:#5C2A42; }

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:var(--blue);}
a:focus-visible, button:focus-visible{outline:3px solid var(--amber); outline-offset:2px;}

.wrap{max-width:var(--max); margin:0 auto; padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(18,17,16,0.9);
  backdrop-filter:blur(8px);
  position:sticky; top:0; z-index:50;
  transition:background .3s ease, border-color .3s ease;
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
}
.wordmark{
  font-family:var(--display); font-weight:900; text-transform:uppercase;
  letter-spacing:0.02em; font-size:20px; color:var(--ink); text-decoration:none;
  display:flex; align-items:baseline; gap:8px;
}
.wordmark .bolt{color:var(--amber); font-size:12px;}
nav.main-nav ul{list-style:none; display:flex; gap:28px; margin:0; padding:0;}
nav.main-nav a{
  font-family:var(--mono); font-size:13px; text-transform:uppercase; letter-spacing:0.06em;
  color:var(--ink-soft); text-decoration:none; border-bottom:2px solid transparent; padding-bottom:2px;
}
nav.main-nav a:hover, nav.main-nav a[aria-current="page"]{color:var(--amber); border-bottom-color:var(--amber);}

/* homepage: header flota transparente sobre el hero hasta hacer scroll */
body.home .site-header{
  position:fixed; width:100%; background:transparent; border-bottom:1px solid transparent;
}
body.home .site-header.scrolled{
  background:rgba(18,17,16,0.92); border-bottom-color:var(--line);
}
body.home main{padding-top:0;}

/* ---------- Hero (estilo banner de streaming) ---------- */
.hero{
  position:relative;
  min-height:82vh;
  display:flex; align-items:flex-end;
  background:
    radial-gradient(ellipse 70% 60% at 75% 15%, rgba(239,168,62,0.16), transparent 60%),
    linear-gradient(180deg, rgba(18,17,16,0.15) 0%, rgba(18,17,16,0.55) 55%, var(--paper) 100%),
    repeating-linear-gradient(115deg, #1A1917 0px, #1A1917 2px, #151412 2px, #151412 90px),
    var(--paper);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:linear-gradient(180deg, black, transparent 75%);
}
.hero-inner{
  position:relative; z-index:2;
  padding:160px 0 72px;
  max-width:760px;
}
.eyebrow{
  font-family:var(--mono); font-size:13px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--amber); display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow::before{content:""; width:26px; height:2px; background:var(--amber); display:inline-block;}
h1.hero-title{
  font-family:var(--display); font-weight:900; text-transform:uppercase;
  font-size:clamp(38px, 6.4vw, 72px); line-height:0.96; letter-spacing:-0.01em;
  margin:0 0 20px;
  text-shadow: 0 0 40px rgba(239,168,62,0.18);
}
h1.hero-title em{font-style:normal; color:var(--amber);}
.hero p.lede{font-size:19px; color:var(--ink-soft); max-width:52ch; margin:0 0 32px;}

.hero-actions{display:flex; gap:14px; flex-wrap:wrap;}
.btn{
  font-family:var(--display); font-weight:800; text-transform:uppercase; letter-spacing:0.02em;
  font-size:14.5px; padding:14px 26px; border-radius:4px; text-decoration:none;
  display:inline-flex; align-items:center; gap:10px; border:1px solid transparent; transition:transform .12s ease, opacity .12s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--amber); color:#1A1408;}
.btn-primary:hover{opacity:0.92;}
.btn-ghost{background:rgba(255,255,255,0.06); color:var(--ink); border-color:var(--line);}
.btn-ghost:hover{background:rgba(255,255,255,0.1);}

/* mini "ficha técnica" flotante junto al hero, estilo Netflix "info" chip */
.hero-plate{
  margin-top:34px; display:inline-flex; gap:22px; flex-wrap:wrap;
  font-family:var(--mono); font-size:13px; color:var(--ink-soft);
}
.hero-plate b{color:var(--ink); font-weight:600;}

/* ---------- Sections ---------- */
section{padding:8px 0;}
.section-head{display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:18px; flex-wrap:wrap;}
h2.section-title{
  font-family:var(--display); font-weight:800; text-transform:uppercase;
  font-size:22px; letter-spacing:0.01em; margin:0;
  border-left:4px solid var(--amber); padding-left:12px;
}
.section-sub{font-family:var(--mono); font-size:13px; color:var(--steel);}

/* ---------- Filas / carruseles estilo streaming ---------- */
.rows{padding:48px 0 24px;}
.row{margin-bottom:44px; position:relative;}
.row-head{display:flex; align-items:baseline; justify-content:space-between; padding:0 24px; max-width:var(--max); margin:0 auto 14px;}
.row-viewport{position:relative;}
.row-track{
  display:flex; gap:16px; overflow-x:auto; scroll-behavior:smooth; scroll-snap-type:x proximity;
  padding:6px 24px 18px; margin:0 auto; max-width:var(--max);
  scrollbar-width:none;
}
.row-track::-webkit-scrollbar{display:none;}
.row-arrow{
  position:absolute; top:0; bottom:18px; width:64px; z-index:5; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:center; color:var(--ink); font-size:22px;
  opacity:0; transition:opacity .15s ease;
}
.row-viewport:hover .row-arrow{opacity:1;}
.row-arrow.prev{left:0; background:linear-gradient(90deg, var(--paper) 20%, transparent);}
.row-arrow.next{right:0; background:linear-gradient(270deg, var(--paper) 20%, transparent);}

.rcard{
  flex:0 0 auto; width:270px; scroll-snap-align:start;
  text-decoration:none; color:var(--ink); border-radius:6px; overflow:hidden;
  background:var(--paper-raised); border:1px solid var(--line);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position:relative;
}
.rcard:hover{
  transform:translateY(-6px) scale(1.035); z-index:3;
  box-shadow:0 18px 34px rgba(0,0,0,0.55); border-color:var(--catA, var(--amber));
}
.rcard-thumb{
  height:150px; position:relative; overflow:hidden;
  background:
    radial-gradient(120% 140% at 15% -10%, rgba(255,255,255,0.22), transparent 55%),
    linear-gradient(135deg, var(--catA, var(--amber)) 0%, var(--catB, var(--amber-dim)) 100%);
  display:flex; align-items:center; justify-content:center;
}
.rcard-thumb::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(0,0,0,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.08) 1px, transparent 1px);
  background-size:14px 14px;
}
.rcard-thumb svg{width:64px; height:64px; opacity:0.95; position:relative; z-index:1;
  filter:drop-shadow(0 2px 3px rgba(0,0,0,0.15));}
.rcard-thumb .rnum{
  position:absolute; right:10px; bottom:4px; font-family:var(--display); font-weight:900;
  font-size:44px; color:rgba(0,0,0,0.14); line-height:1; z-index:0;
}
.rcard-body{padding:14px 16px 16px;}
.rcard .tag{
  font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:0.08em;
  color:var(--catA, var(--amber));
}
.rcard h3{font-family:var(--display); font-weight:800; font-size:16.5px; margin:6px 0 6px; line-height:1.25;}
.rcard p{margin:0; color:var(--ink-soft); font-size:14px; line-height:1.45; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;}
.rcard .meta{font-family:var(--mono); font-size:11.5px; color:var(--steel); margin-top:10px; display:block;}

/* ---------- Card grid clásico (usado en páginas internas) ---------- */
.grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:22px;}
.card{
  background:var(--paper-raised); border:1px solid var(--line); border-radius:4px;
  padding:22px; display:flex; flex-direction:column; gap:12px; text-decoration:none; color:var(--ink);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover{transform:translateY(-3px); box-shadow:0 8px 24px rgba(0,0,0,0.45); border-color:var(--amber-dim);}
.card .tag{
  font-family:var(--mono); font-size:11.5px; text-transform:uppercase; letter-spacing:0.08em;
  color:var(--amber); background:var(--amber-soft); align-self:flex-start; padding:3px 8px; border-radius:2px;
}
.card h3{font-family:var(--display); font-weight:800; font-size:19px; margin:0; line-height:1.2; text-transform:none;}
.card p{margin:0; color:var(--ink-soft); font-size:15.5px; line-height:1.5;}
.card .meta{font-family:var(--mono); font-size:12px; color:var(--steel); margin-top:auto;}

/* ---------- Ad slots ---------- */
.ad-slot{
  border:1px dashed var(--line); background:var(--paper-raised);
  color:var(--steel); font-family:var(--mono); font-size:12px; text-transform:uppercase; letter-spacing:0.06em;
  display:flex; align-items:center; justify-content:center; text-align:center;
  min-height:100px; border-radius:4px; margin:36px 0;
}

/* ---------- Article page ---------- */
.article-header{border-bottom:1px solid var(--line); padding:48px 0 32px; background:var(--paper-raised);}
.article-header .eyebrow{margin-bottom:14px;}
h1.article-title{
  font-family:var(--display); font-weight:900; text-transform:uppercase;
  font-size:clamp(28px, 4vw, 42px); line-height:1.05; margin:0 0 14px; max-width:22ch;
}
.article-header .lede{color:var(--ink-soft); font-size:18px; max-width:60ch; margin:0;}

.article-layout{display:grid; grid-template-columns: 2fr 1fr; gap:48px; padding:44px 0 64px;}
.article-body h2{font-family:var(--display); font-weight:800; text-transform:uppercase; font-size:21px; margin:40px 0 12px; letter-spacing:0.01em;}
.article-body h2:first-child{margin-top:0;}
.article-body p{margin:0 0 16px;}
.article-body ol, .article-body ul{padding-left:22px; margin:0 0 16px;}
.article-body li{margin-bottom:8px;}
.article-body .warning{
  background:var(--amber-soft); border-left:4px solid var(--amber); padding:14px 16px; border-radius:2px;
  font-size:16px; margin:20px 0; color:var(--ink);
}
.article-body .warning strong{font-family:var(--mono); text-transform:uppercase; font-size:12.5px; letter-spacing:0.05em; display:block; margin-bottom:4px; color:var(--amber);}

.sidebar{position:sticky; top:88px; align-self:start; display:flex; flex-direction:column; gap:28px;}
.sidebar .plate dl{grid-template-columns: 1fr; }
.sidebar .plate dt{margin-top:6px;}
.sidebar .plate dt:first-child{margin-top:0;}
.sidebar .plate dd{text-align:left; font-size:14.5px;}

.related-list{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px;}
.related-list a{
  display:block; font-family:var(--mono); font-size:13.5px; text-decoration:none; color:var(--ink);
  padding:10px 12px; background:var(--paper-raised); border:1px solid var(--line); border-radius:3px;
}
.related-list a:hover{border-color:var(--amber);}

/* ---------- data plate — elemento de firma ---------- */
.plate{
  background:var(--blue-deep);
  color:#EDEAE0;
  padding:22px 22px 18px;
  position:relative;
  border-radius:4px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.plate::before, .plate::after,
.plate .corner-l, .plate .corner-r{
  content:""; position:absolute; width:7px; height:7px; border-radius:50%;
  background:#5A6870; box-shadow: inset 0 1px 1px rgba(0,0,0,0.5);
}
.plate::before{top:10px; left:10px;}
.plate::after{top:10px; right:10px;}
.plate .corner-l{bottom:10px; left:10px;}
.plate .corner-r{bottom:10px; right:10px;}
.plate-label{
  font-family:var(--mono); font-size:11px; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--amber); margin-bottom:12px;
}
.plate dl{display:grid; grid-template-columns: auto 1fr; gap:8px 14px; margin:0; font-family:var(--mono); font-size:13.5px;}
.plate dt{color:#8FA0A8;}
.plate dd{margin:0; color:#F4F1E8; text-align:right;}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-deep); color:#B9C4C9; padding:44px 0 32px; margin-top:40px;}
.site-footer .wrap{display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap;}
.site-footer a{color:#E9E6DC; text-decoration:none; font-family:var(--mono); font-size:13px;}
.site-footer a:hover{color:var(--amber);}
.footer-cols{display:flex; gap:56px; flex-wrap:wrap;}
.footer-cols h4{font-family:var(--mono); text-transform:uppercase; letter-spacing:0.08em; font-size:12px; color:#7B8B92; margin:0 0 12px;}
.footer-cols ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px;}
.footer-bottom{font-family:var(--mono); font-size:12px; color:#67767D; margin-top:32px; border-top:1px solid rgba(255,255,255,0.08); padding-top:20px;}

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .grid{grid-template-columns:1fr 1fr;}
  .article-layout{grid-template-columns:1fr;}
  .sidebar{position:static;}
  nav.main-nav ul{gap:16px; flex-wrap:wrap;}
  .hero-inner{padding:130px 0 56px;}
  .rcard{width:220px;}
}
@media (max-width: 560px){
  .grid{grid-template-columns:1fr;}
  .site-header .wrap{flex-direction:column; align-items:flex-start; gap:12px;}
  .row-head, .row-track{padding-left:16px; padding-right:16px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .card, .rcard{transition:none;}
}
