/* ============================================================
   NODE ZERO — LOOKBOOK · LÍNEA TERMINAL
   Editorial tipo revista (Carhartt WIP / Stüssy / Kith).
   Paleta de marca: negro núcleo + verde monitor · Syne / Space Mono.
   Autocontenido, sin CDNs.
   ============================================================ */
:root{
  --bg:#050505; --bg-2:#0d0d0f; --panel:#101013;
  --text:#F0F0F2; --green:#CCFF00; --red:#5A0001;
  --carbon:#1A1A1D; --gray:#8A8A90;
  --syne:"Syne","Arial Black","Segoe UI",sans-serif;
  --mono:"Space Mono","Consolas",monospace;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--mono);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;max-width:100vw;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.015) 0 1px,transparent 1px 3px);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--syne);font-weight:800;text-transform:uppercase;line-height:1;margin:0}
.page{position:relative;z-index:1}

/* ---------------- HEADER / NAV ---------------- */
.lb-nav{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;
  gap:18px;padding:14px clamp(18px,4vw,48px);background:rgba(5,5,6,.86);backdrop-filter:blur(9px);
  border-bottom:1px solid var(--carbon)}
.lb-nav .brand{font-family:var(--syne);font-weight:800;letter-spacing:.04em;font-size:1.05rem;white-space:nowrap}
.lb-nav .brand b{color:var(--green)}
.lb-nav .lines{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.lb-nav .lines a{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gray);padding:7px 12px;border-radius:20px;transition:.15s;white-space:nowrap}
.lb-nav .lines a:hover{color:var(--green)}
.lb-nav .lines a.on{background:var(--green);color:#000;font-weight:700}
.lb-nav .cta{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--green);border:1px solid var(--green);padding:8px 14px;border-radius:20px;white-space:nowrap;transition:.15s}
.lb-nav .cta:hover{background:var(--green);color:#000}
@media (max-width:760px){
  .lb-nav{flex-wrap:wrap;gap:10px}
  .lb-nav .lines{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}
}

/* ---------------- HERO ---------------- */
.lb-hero{position:relative;padding:clamp(40px,7vw,96px) clamp(20px,5vw,72px) clamp(30px,5vw,60px);
  border-bottom:1px solid var(--carbon);overflow:hidden}
.lb-hero .ghost{position:absolute;right:-2vw;top:-2vw;font-family:var(--syne);font-weight:800;
  font-size:clamp(8rem,30vw,26rem);color:rgba(255,255,255,.03);line-height:.8;pointer-events:none;z-index:0}
.lb-hero-inner{position:relative;z-index:1;max-width:1320px;margin:0 auto}
.lb-kick{font-family:var(--mono);color:var(--green);letter-spacing:.4em;font-size:.8rem;
  text-transform:uppercase;margin-bottom:16px}
.lb-hero h1{font-size:clamp(2rem,8.2vw,7rem);letter-spacing:-.01em;overflow-wrap:break-word;
  background:linear-gradient(180deg,#fff,#c5c5c9);-webkit-background-clip:text;background-clip:text;color:transparent}
.lb-hero .claim{font-family:var(--syne);font-weight:700;text-transform:uppercase;color:var(--green);
  font-size:clamp(1rem,2.4vw,1.7rem);letter-spacing:.02em;margin:14px 0 6px}
/* fila inferior del hero: lede + mockup grande */
.lb-hero-cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(28px,5vw,72px);align-items:center;margin-top:clamp(24px,3.5vw,44px)}
.lb-hero .lede{color:#cfcfd4;max-width:52ch;font-size:1.02rem}
.lb-hero .meta{margin-top:24px;display:flex;gap:22px;flex-wrap:wrap;color:var(--gray);
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase}
.lb-hero .meta b{color:var(--text)}
.lb-hero-media .mk-stage{border-radius:18px;border:1px solid var(--carbon);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.95)}
@media (max-width:880px){
  .lb-hero-cols{grid-template-columns:minmax(0,1fr);gap:26px}
  .lb-hero-media{order:-1;max-width:520px;margin:0 auto;width:100%;min-width:0}
}

/* ---------------- ENCABEZADO DE CAPÍTULO (líneas siguientes: Python, etc.) ---------------- */
.lb-chapter{padding:clamp(50px,8vw,110px) clamp(20px,5vw,72px) 0;border-top:1px solid var(--carbon);
  position:relative;scroll-margin-top:74px}
.lb-chapter-inner{max-width:1320px;margin:0 auto}
.lb-chapter-title{font-size:clamp(2rem,8.2vw,7rem);letter-spacing:-.01em;overflow-wrap:break-word;margin-top:2px;
  background:linear-gradient(180deg,#fff,#c5c5c9);-webkit-background-clip:text;background-clip:text;color:transparent}
.lb-chapter .claim{font-family:var(--syne);font-weight:700;text-transform:uppercase;color:var(--green);
  font-size:clamp(1rem,2.4vw,1.7rem);letter-spacing:.02em;margin:14px 0 6px}
.lb-chapter .lede{color:#cfcfd4;max-width:52ch;font-size:1.02rem;margin-top:12px}
.lb-chapter .meta{margin-top:20px;display:flex;gap:22px;flex-wrap:wrap;color:var(--gray);
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase}
.lb-chapter .meta b{color:var(--text)}

/* ---------------- CAPÍTULOS DE ESTUDIO (planchas de la fábrica) ---------------- */
.lb-study{padding-bottom:clamp(10px,2vw,20px)}
.lb-study .meta b{color:var(--green)}
.lb-plate-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:clamp(14px,2vw,26px);max-width:1320px;margin:clamp(22px,3vw,40px) auto 0;
  padding:0 clamp(20px,5vw,72px)}
.lb-plate{margin:0;background:#f2f1ec;border:1px solid #d8d7d0;border-radius:12px;padding:14px}
.lb-plate img{width:100%;height:auto;border-radius:4px;display:block}
.lb-plate figcaption{display:flex;flex-direction:column;margin-top:12px;font-family:var(--mono)}
.lb-plate figcaption b{color:#111;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700}
.lb-plate figcaption span{color:#6a6a68;font-size:.72rem;letter-spacing:.04em}

/* ---------------- SECCIONES DE PRODUCTO ---------------- */
.lb-prod{padding:clamp(50px,8vw,110px) clamp(20px,5vw,72px);border-top:1px solid var(--carbon);
  position:relative;scroll-margin-top:74px}
.lb-prod-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(28px,5vw,74px);align-items:center;max-width:1320px;margin:0 auto}
.lb-prod.alt .lb-prod-inner{direction:rtl}
.lb-prod.alt .lb-prod-inner>*{direction:ltr}
.lb-media .mk-stage{border-radius:16px;border:1px solid var(--carbon);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.9)}
.lb-num{font-family:var(--mono);color:var(--green);letter-spacing:.24em;font-size:.76rem;
  text-transform:uppercase;margin-bottom:14px}
.lb-name{font-size:clamp(1.7rem,3.3vw,3rem);letter-spacing:-.015em;overflow-wrap:break-word;
  background:linear-gradient(180deg,#fff,#bdbdc2);-webkit-background-clip:text;background-clip:text;color:transparent}
.lb-note{font-family:var(--mono);color:var(--gray);letter-spacing:.06em;margin:10px 0 18px;font-size:.9rem}
.lb-desc{color:#cfcfd4;max-width:46ch;font-size:1.02rem;margin-bottom:22px}
.lb-price{font-family:var(--syne);font-weight:800;color:var(--green);font-size:1.3rem;margin-bottom:20px}
.lb-price small{font-family:var(--mono);font-weight:400;font-size:.66rem;color:var(--gray);
  letter-spacing:.1em;margin-left:8px;text-transform:uppercase}
.lb-buy{display:inline-flex;align-items:center;gap:10px;background:var(--green);color:#000;
  font-family:var(--syne);font-weight:800;text-transform:uppercase;letter-spacing:.04em;font-size:.92rem;
  padding:14px 22px;border-radius:10px;transition:.15s}
.lb-buy:hover{filter:brightness(1.08);transform:translateY(-2px)}
@media (max-width:880px){
  .lb-prod-inner{grid-template-columns:minmax(0,1fr);gap:24px}
  .lb-prod.alt .lb-prod-inner{direction:ltr}
  .lb-media{order:-1;max-width:520px;margin:0 auto;width:100%;min-width:0}
}

/* ---------------- CIERRE + OTRAS LÍNEAS ---------------- */
.lb-more{padding:clamp(50px,8vw,100px) clamp(20px,5vw,72px);border-top:1px solid var(--carbon);text-align:center}
.lb-more .sh{color:var(--green);letter-spacing:.24em;font-size:.76rem;text-transform:uppercase;margin-bottom:12px}
.lb-more h2{font-size:clamp(1.6rem,4.5vw,3rem);
  background:linear-gradient(180deg,#fff,#bdbdc2);-webkit-background-clip:text;background-clip:text;color:transparent}
.lb-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.lb-chips a{font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--carbon);color:#cfcfd4;padding:12px 18px;border-radius:30px;transition:.15s}
.lb-chips a:hover{border-color:var(--green);color:var(--green)}
.lb-chips a.soon{color:var(--gray);cursor:default}
.lb-chips a.soon:hover{border-color:var(--carbon);color:var(--gray)}
.lb-chips small{display:block;font-size:.6rem;letter-spacing:.16em;color:var(--green);margin-top:2px}

/* ---------------- FOOTER ---------------- */
.lb-foot{border-top:1px solid var(--carbon);padding:clamp(34px,6vw,60px) clamp(20px,5vw,72px);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.lb-foot .fl{display:flex;gap:20px;flex-wrap:wrap}
.lb-foot .fl a{font-family:var(--mono);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:#cfcfd4}
.lb-foot .fl a:hover{color:var(--green)}
.lb-foot .cc{color:var(--gray);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase}