/* ═══════════════════════════════════════════════════════════════
   DRAGON FORM STEEL — "El dragón es la línea de producción."
   Cyberpunk industrial: noche azul acero, neón cian, magma de forja.
   Fuentes auto-hospedadas (OFL junto a los woff2): cero terceros.
   ═══════════════════════════════════════════════════════════════ */

@font-face { font-family: 'Chakra Petch'; src: url('../fonts/chakrapetch-500-latin.woff2') format('woff2'); font-weight: 500; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Chakra Petch'; src: url('../fonts/chakrapetch-500-latin-ext.woff2') format('woff2'); font-weight: 500; font-display: swap;
  unicode-range: U+0100-02AF, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Chakra Petch'; src: url('../fonts/chakrapetch-700-latin.woff2') format('woff2'); font-weight: 700; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Chakra Petch'; src: url('../fonts/chakrapetch-700-latin-ext.woff2') format('woff2'); font-weight: 700; font-display: swap;
  unicode-range: U+0100-02AF, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Share Tech Mono'; src: url('../fonts/sharetechmono-400-latin.woff2') format('woff2'); font-weight: 400; font-display: swap; }

:root {
  --noche:  #050B14;
  --panel:  #0B1624;
  --linea:  #16283C;
  --cian:   #37C8F0;
  --magma:  #FF4D1C;
  --brasa:  #FFB36B;
  --plata:  #B9C7D6;
  --blanco: #EDF4FB;

  --display: 'Chakra Petch', 'Segoe UI', system-ui, sans-serif;
  --mono: 'Share Tech Mono', 'Consolas', monospace;

  --m: 5vw;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@property --mr { syntax: '<length>'; inherits: false; initial-value: 1px; }

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--noche);
  color: var(--plata);
  font-family: var(--display);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--mono); }

::selection { background: var(--cian); color: var(--noche); }
:focus-visible { outline: 2px solid var(--cian); outline-offset: 3px; }

.saltar { position: absolute; left: -9999px; top: 0; z-index: 200; background: var(--cian); color: var(--noche); font-weight: 700; padding: .7em 1.2em; }
.saltar:focus { left: 0; }

/* ── Nav ────────────────────────────────────────────────────── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px var(--m);
  background: color-mix(in srgb, var(--noche) 86%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 300ms var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--linea); }
.nav__marca { display: flex; align-items: center; gap: 10px; }
.nav__glifo { color: var(--cian); font-size: 22px; text-shadow: 0 0 12px color-mix(in srgb, var(--cian) 60%, transparent); }
.nav__nombre { font-size: 14px; letter-spacing: .14em; color: var(--blanco); }
.nav__nombre b { color: var(--cian); }
.nav__links { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 30px); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.nav__links a:not(.nav__cta):hover { color: var(--cian); }
.nav__cta { border: 1px solid var(--magma); color: var(--blanco); padding: .5em 1.1em; transition: background 200ms var(--ease), box-shadow 200ms var(--ease); }
.nav__cta:hover { background: var(--magma); box-shadow: 0 0 18px color-mix(in srgb, var(--magma) 55%, transparent); }
@media (max-width: 720px) { .nav__links a:not(.nav__cta) { display: none; } }

/* ── Piezas comunes ─────────────────────────────────────────── */
.sec { position: relative; padding: clamp(84px, 11vh, 150px) var(--m); }
.cab { max-width: 880px; margin-bottom: clamp(36px, 5vh, 64px); }
.chip {
  display: inline-block; margin-bottom: 18px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em;
  color: var(--cian); border: 1px solid color-mix(in srgb, var(--cian) 45%, transparent);
  padding: .45em .9em;
  box-shadow: inset 0 0 18px color-mix(in srgb, var(--cian) 12%, transparent);
}
.chip--magma { color: var(--brasa); border-color: color-mix(in srgb, var(--magma) 55%, transparent); box-shadow: inset 0 0 18px color-mix(in srgb, var(--magma) 14%, transparent); }
.h2 {
  font-size: clamp(30px, 4.6vw, 58px); font-weight: 700; line-height: 1.05;
  color: var(--blanco); letter-spacing: .01em; text-wrap: balance;
}
.cian { color: var(--cian); text-shadow: 0 0 22px color-mix(in srgb, var(--cian) 45%, transparent); }
.magma { color: var(--magma); text-shadow: 0 0 26px color-mix(in srgb, var(--magma) 55%, transparent); }
.parrafo { margin-top: 16px; max-width: 60ch; color: var(--plata); }
.btn {
  display: inline-block; font-weight: 700; font-size: 15px; letter-spacing: .06em;
  text-transform: uppercase; padding: .9em 1.6em;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease);
}
.btn--magma { background: var(--magma); color: var(--noche); }
.btn--magma:hover { transform: translateY(-2px); box-shadow: 0 6px 28px color-mix(in srgb, var(--magma) 55%, transparent); }
.btn--linea { border: 1px solid var(--linea); color: var(--blanco); }
.btn--linea:hover { border-color: var(--cian); box-shadow: inset 0 0 20px color-mix(in srgb, var(--cian) 12%, transparent); }
.btn--xl { font-size: 17px; padding: 1.05em 2em; }

/* ═══ 01 HERO ════════════════════════════════════════════════ */
.sec--hero {
  min-height: 100svh; padding: 0;
  display: flex; flex-direction: column; justify-content: center;
}
.hero__fondo { position: absolute; inset: 0; overflow: hidden; }
.hero__img, .hero__alt img { width: 100%; height: 100%; object-fit: cover; object-position: 68% 40%; }
.hero__img { position: absolute; inset: 0; }
.hero__alt {
  position: absolute; inset: 0; --mx: 70%; --my: 40%;
  -webkit-mask-image: radial-gradient(circle var(--mr) at var(--mx) var(--my), #000 0%, #000 42%, rgba(0,0,0,.7) 62%, rgba(0,0,0,.3) 80%, transparent 100%);
  mask-image: radial-gradient(circle var(--mr) at var(--mx) var(--my), #000 0%, #000 42%, rgba(0,0,0,.7) 62%, rgba(0,0,0,.3) 80%, transparent 100%);
  transition: --mr 500ms var(--ease);
}
.sec--hero:hover .hero__alt { --mr: 420px; }
.hero__scanlines {
  position: absolute; inset: 0; pointer-events: none; opacity: .16;
  background: repeating-linear-gradient(to bottom, transparent 0 3px, rgba(0,0,0,.55) 3px 4px);
}
.hero__contenido { position: relative; z-index: 2; padding: 0 var(--m); max-width: 780px; }
.hero__h1 {
  font-size: clamp(52px, 9vw, 128px); font-weight: 700; line-height: .95;
  color: var(--blanco); letter-spacing: .01em;
  text-shadow: 0 0 34px rgba(55, 200, 240, .35);
}
.hero__lema {
  margin-top: 14px;
  font-family: var(--mono); font-size: clamp(15px, 1.8vw, 22px); letter-spacing: .42em;
  background: linear-gradient(90deg, var(--cian), var(--blanco) 30%, var(--cian) 60%, var(--blanco));
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: fluir 6s linear infinite;
}
@keyframes fluir { from { background-position: 0% 0; } to { background-position: -220% 0; } }
.hero__baja { margin-top: 18px; color: var(--plata); }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__pista { margin-top: 26px; font-size: 12px; letter-spacing: .12em; color: color-mix(in srgb, var(--cian) 75%, transparent); }
.hero__scroll {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  z-index: 2; font-size: 11px; letter-spacing: .3em; color: var(--plata);
  animation: latir 2.4s ease-in-out infinite;
}
@keyframes latir { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@media (max-width: 720px) {
  .hero__img, .hero__alt img { object-position: 62% 40%; }
  .hero__contenido { padding-top: 18vh; }
}

/* ═══ 02 PRODUCTO ════════════════════════════════════════════ */
.sec--producto { background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--panel) 55%, transparent) 30%, transparent); }
.producto__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 26px; }
.ficha {
  background: var(--panel); border: 1px solid var(--linea); padding: 18px;
  transition: border-color 250ms var(--ease), box-shadow 250ms var(--ease), transform 250ms var(--ease);
}
.ficha:hover, .ficha:focus-visible {
  border-color: var(--cian);
  box-shadow: 0 0 34px color-mix(in srgb, var(--cian) 18%, transparent);
  transform: translateY(-4px);
}
.ficha__foto { margin: 0 0 16px; overflow: hidden; }
.ficha__foto img { transition: transform 600ms var(--ease); }
.ficha:hover .ficha__foto img { transform: scale(1.04); }
.ficha__num { font-size: 11px; letter-spacing: .2em; color: var(--cian); }
.ficha__nombre { margin-top: 6px; font-size: 24px; font-weight: 700; color: var(--blanco); }
.ficha__desc { margin-top: 8px; font-size: 15px; }
.usos { margin-top: 30px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 14px; }
.uso { border-left: 2px solid var(--cian); background: color-mix(in srgb, var(--panel) 70%, transparent); padding: 14px 16px; }
.uso b { display: block; font-size: 13px; letter-spacing: .12em; color: var(--blanco); }
.uso span { font-size: 14px; }

/* ═══ 03 LA FORJA (pin + scrub) ══════════════════════════════ */
.sec--forja { padding: 0; }
.forja__pin { position: relative; min-height: 100svh; display: grid; align-items: end; overflow: clip; }
.forja__escena { position: absolute; inset: 0; }
.forja__frame { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; opacity: 0; }
.forja__frame--1 { opacity: 1; }
.forja__calor {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; mix-blend-mode: screen;
  background: radial-gradient(70% 60% at 62% 45%, color-mix(in srgb, var(--magma) 26%, transparent), transparent 70%);
}
.forja__rotulos {
  position: relative; z-index: 2;
  padding: clamp(28px, 5vh, 60px) var(--m) clamp(36px, 6vh, 70px);
  background: linear-gradient(to top, color-mix(in srgb, var(--noche) 92%, transparent) 55%, transparent);
  max-width: 900px;
}
.forja__h2 { margin-top: 12px; }
.forja__fases { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 13px; letter-spacing: .12em; }
.forja__fases li { color: color-mix(in srgb, var(--plata) 55%, transparent); transition: color 300ms var(--ease), text-shadow 300ms var(--ease); }
.forja__fases li b { color: inherit; margin-right: 6px; }
.forja__fases li.is-viva { color: var(--brasa); text-shadow: 0 0 16px color-mix(in srgb, var(--magma) 60%, transparent); }
.forja__nota { margin-top: 18px; max-width: 56ch; font-size: 15px; }

/* ═══ 04 MEDIDAS ═════════════════════════════════════════════ */
.medidas__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 22px; }
.medida { background: var(--panel); border: 1px solid var(--linea); padding: 26px; }
.medida__cifra { font-size: clamp(56px, 7vw, 88px); font-weight: 700; color: var(--blanco); line-height: 1; text-shadow: 0 0 26px rgba(55, 200, 240, .3); }
.medida__tag { margin-top: 8px; font-size: 12px; letter-spacing: .2em; color: var(--cian); }
.medida__desc { margin-top: 10px; font-size: 15px; }
.medida__cal { margin-top: 10px; display: flex; gap: 10px; }
.medida__cal span {
  font-family: var(--mono); font-size: 22px; color: var(--blanco);
  border: 1px solid var(--linea); padding: .35em .7em;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.medida__cal span:hover { border-color: var(--cian); color: var(--cian); box-shadow: 0 0 16px color-mix(in srgb, var(--cian) 25%, transparent); }

/* ═══ 05 PRECIOS ═════════════════════════════════════════════ */
.sec--precios { background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--panel) 50%, transparent) 25%, transparent); }
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.tab {
  font-family: var(--display); font-weight: 700; font-size: 14px; letter-spacing: .1em;
  color: var(--plata); background: none; border: 1px solid var(--linea);
  padding: .8em 1.4em; cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.tab:hover { border-color: var(--cian); color: var(--blanco); }
.tab.is-activo {
  color: var(--noche); background: var(--cian); border-color: var(--cian);
  box-shadow: 0 0 26px color-mix(in srgb, var(--cian) 45%, transparent);
}
.lista { display: none; }
.lista.is-activa { display: block; animation: entrar 360ms var(--ease); }
@keyframes entrar { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.tprecios { width: 100%; border-collapse: collapse; font-size: 15px; }
.tprecios caption { text-align: left; font-size: 12px; letter-spacing: .16em; color: var(--cian); padding-bottom: 12px; }
.tprecios th {
  text-align: left; font-family: var(--mono); font-weight: 400; font-size: 12px; letter-spacing: .16em;
  color: var(--noche); background: var(--cian); padding: .7em .9em;
}
.tprecios th:last-child, .tprecios td.p { text-align: right; }
.tprecios td { padding: .62em .9em; border-bottom: 1px solid var(--linea); color: var(--plata); }
.tprecios td.p { font-family: var(--mono); font-size: 16px; color: var(--blanco); white-space: nowrap; }
.tprecios tbody tr:hover td { background: color-mix(in srgb, var(--cian) 7%, transparent); color: var(--blanco); }
.condiciones { margin-top: 26px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 14px; font-size: 12.5px; letter-spacing: .04em; }
.condiciones li { border-left: 2px solid var(--magma); padding: 10px 14px; background: color-mix(in srgb, var(--panel) 70%, transparent); }
.condiciones b { display: block; letter-spacing: .18em; color: var(--brasa); margin-bottom: 4px; }
@media (max-width: 640px) {
  .tprecios thead { position: absolute; left: -9999px; }
  .tprecios td { display: block; border: 0; padding: .2em 0; }
  .tprecios td[rowspan] { display: inline-block; margin-right: 10px; font-weight: 700; color: var(--cian); }
  .tprecios tbody tr { display: block; border-bottom: 1px solid var(--linea); padding: .55em 0; }
  .tprecios td.p { font-size: 18px; }
}

/* ═══ 06 CONTACTO + PIE ══════════════════════════════════════ */
.sec--contacto { text-align: left; }
.contacto__acciones { display: flex; flex-wrap: wrap; gap: 16px; }
.contacto__nota { margin-top: 22px; font-size: 12px; letter-spacing: .14em; color: color-mix(in srgb, var(--plata) 60%, transparent); }
.pie { border-top: 1px solid var(--linea); padding: 30px var(--m) 40px; display: grid; gap: 8px; }
.pie__marca { color: var(--blanco); font-weight: 700; letter-spacing: .1em; }
.pie__marca span { color: var(--cian); margin-right: 6px; }
.pie__linea, .pie__credito { font-size: 11px; letter-spacing: .14em; color: color-mix(in srgb, var(--plata) 55%, transparent); }

/* ═══ Reduced motion: estados dignos ═════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .hero__lema { animation: none; color: var(--cian); -webkit-background-clip: initial; background: none; }
  .hero__scroll { animation: none; opacity: .7; }
  .hero__alt { transition: none; }
  .lista.is-activa { animation: none; }
  .forja__frame--3 { opacity: 1; }          /* la historia termina contada */
  .forja__fases li:last-child { color: var(--brasa); }
  .btn, .ficha, .ficha__foto img { transition: none; }
}

/* ═══ Niveles de cliente (sin precios) + envío ═══════════════ */
.niveles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 22px; }
.nivel { background: var(--panel); border: 1px solid var(--linea); padding: 26px; position: relative; overflow: hidden;
  transition: border-color 250ms var(--ease), box-shadow 250ms var(--ease), transform 250ms var(--ease); }
.nivel:hover { transform: translateY(-4px); }
.nivel--diamante:hover { border-color: var(--cian); box-shadow: 0 0 34px color-mix(in srgb, var(--cian) 22%, transparent); }
.nivel--gold:hover { border-color: var(--brasa); box-shadow: 0 0 34px color-mix(in srgb, var(--brasa) 20%, transparent); }
.nivel--plus:hover { border-color: var(--plata); box-shadow: 0 0 30px color-mix(in srgb, var(--plata) 16%, transparent); }
.nivel__glifo { font-size: 30px; color: var(--cian); text-shadow: 0 0 16px color-mix(in srgb, var(--cian) 55%, transparent); }
.nivel--gold .nivel__glifo { color: var(--brasa); text-shadow: 0 0 16px color-mix(in srgb, var(--brasa) 55%, transparent); }
.nivel--plus .nivel__glifo { color: var(--plata); text-shadow: none; }
.nivel__nombre { margin-top: 10px; font-size: 20px; font-weight: 700; color: var(--blanco); letter-spacing: .06em; }
.nivel__quien { margin-top: 8px; font-size: 12px; letter-spacing: .16em; color: var(--cian); }
.nivel--gold .nivel__quien { color: var(--brasa); }
.nivel--plus .nivel__quien { color: var(--plata); }
.nivel__desc { margin-top: 12px; font-size: 15px; }
.envio { margin-top: 30px; border: 1px solid color-mix(in srgb, var(--cian) 40%, transparent); padding: 20px 24px;
  box-shadow: inset 0 0 30px color-mix(in srgb, var(--cian) 8%, transparent); }
.envio__titulo { font-size: clamp(17px, 2vw, 22px); font-weight: 700; color: var(--blanco); }
.envio__zona { color: var(--plata); font-weight: 500; }
.envio__nota { margin-top: 8px; font-size: 14px; }
.cotiza { margin-top: 30px; }
.cotiza__texto { max-width: 62ch; margin-bottom: 18px; }

/* ═══ Widget del dragón (chat cotizador) ═════════════════════ */
#dwBoton { position: fixed; right: 18px; bottom: 18px; z-index: 150;
  display: flex; align-items: center; gap: 10px;
  background: var(--magma); color: var(--noche); border: 0; cursor: pointer;
  font-family: var(--display); font-weight: 700; font-size: 14px; letter-spacing: .08em;
  padding: .85em 1.3em; box-shadow: 0 6px 30px color-mix(in srgb, var(--magma) 55%, transparent);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease); }
#dwBoton span { font-size: 20px; }
#dwBoton:hover { transform: translateY(-2px); box-shadow: 0 10px 40px color-mix(in srgb, var(--magma) 70%, transparent); }
#dwPanel { position: fixed; right: 18px; bottom: 84px; z-index: 150;
  width: min(400px, calc(100vw - 36px)); height: min(560px, 74vh);
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid color-mix(in srgb, var(--cian) 45%, transparent);
  box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 0 40px color-mix(in srgb, var(--cian) 14%, transparent); }
#dwPanel header { display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .16em; color: var(--blanco);
  background: var(--noche); padding: 12px 14px; border-bottom: 1px solid var(--linea); }
#dwPanel header span { color: var(--cian); font-size: 17px; }
#dwCerrar { margin-left: auto; background: none; border: 0; color: var(--plata);
  font-size: 22px; line-height: 1; cursor: pointer; }
#dwCerrar:hover { color: var(--magma); }
#dwMsgs { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.dw-msg { max-width: 88%; padding: .65em .9em; font-size: 14.5px; line-height: 1.45; white-space: pre-wrap; word-break: break-word; }
.dw-msg--bot { align-self: flex-start; background: var(--noche); border-left: 2px solid var(--cian); color: var(--plata); }
.dw-msg--user { align-self: flex-end; background: color-mix(in srgb, var(--magma) 88%, black); color: var(--blanco); }
.dw-msg--espera { opacity: .6; font-family: var(--mono); font-size: 12.5px; animation: latir 1.6s ease-in-out infinite; }
.dw-msg a { color: var(--cian); font-weight: 700; text-decoration: underline; }
#dwForm { display: flex; border-top: 1px solid var(--linea); }
#dwInput { flex: 1; background: var(--noche); border: 0; color: var(--blanco);
  font-family: var(--display); font-size: 15px; padding: 14px; outline-offset: -2px; }
#dwInput::placeholder { color: color-mix(in srgb, var(--plata) 50%, transparent); }
#dwEnviar { background: var(--cian); color: var(--noche); border: 0; font-size: 15px;
  padding: 0 18px; cursor: pointer; }
#dwEnviar:disabled { opacity: .5; cursor: wait; }
@media (prefers-reduced-motion: reduce) { .dw-msg--espera { animation: none; } #dwBoton { transition: none; } }