/* =================================================================
   ROMERO RÍOS — Sistema de diseño
   Un solo archivo de tokens. Cambia una variable y rebrandeas todo.
   ================================================================= */

/* ---------- TOKENS ---------- */
:root {
  /* Color — paleta OFICIAL de marca. El acento ocupa <2% de la superficie. */
  --paper:        #F2F1EE;   /* gris claro frío de marca, fondo principal */
  --paper-2:      #E7E4DE;   /* tono medio para bandas alternas */
  --ink:          #2D3F49;   /* azul pizarra de marca — texto y fondos oscuros */
  --ink-soft:     #243139;   /* navy profundo para gradientes */
  --char:         #262220;   /* negro cálido de marca para bandas premium */
  --muted:        #6A7177;   /* gris pizarra para texto secundario */
  --line:         #D7D3CB;   /* hairlines sobre claro */
  --line-dark:    rgba(242,241,238,.16); /* hairlines sobre oscuro */
  --accent:       #AB6B53;   /* terracota de marca — ÚNICO color de acento */
  --accent-deep:  #8F573F;   /* terracota oscuro para hover */
  --accent-soft:  #C08267;   /* terracota claro para brillos */
  --white:        #FFFFFF;

  /* Tipografía */
  --display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Escala tipográfica fluida */
  --step--1: clamp(0.78rem, 0.74rem + 0.18vw, 0.88rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-1:  clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
  --step-2:  clamp(1.7rem, 1.4rem + 1.4vw, 2.6rem);
  --step-3:  clamp(1.9rem, 1.5rem + 1.8vw, 2.9rem);
  --step-4:  clamp(2.2rem, 1.7rem + 2.6vw, 3.7rem);
  --step-5:  clamp(2.5rem, 1.9rem + 3.4vw, 4.5rem);

  /* Ritmo */
  --gutter: clamp(1.25rem, 0.8rem + 2.2vw, 3rem);
  --section: clamp(4.5rem, 3rem + 7vw, 9rem);
  --maxw: 1320px;
  --maxw-text: 720px;

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

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, picture, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
::selection { background: var(--accent); color: var(--paper); }

/* ---------- TIPOGRAFÍA BASE ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
h1 { font-size: var(--step-4); font-weight: 800; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
p { text-wrap: pretty; }
em { font-style: italic; }

.display-xl { font-family: var(--display); font-weight: 700; font-size: var(--step-5); line-height: 0.96; letter-spacing: -0.02em; }
.serif-italic { font-style: normal; color: var(--accent); }

/* ---------- LAYOUT ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); position: relative; }
.measure { max-width: var(--maxw-text); }
.dark { background: var(--ink); color: var(--paper); }
.dark .muted { color: #9FB0B8; }
.dark .line, .dark hr { border-color: var(--line-dark); }
.paper-2 { background: var(--paper-2); }
.muted { color: var(--muted); }
hr { border: none; border-top: 1px solid var(--line); }

/* Eyebrow / kicker con numeración en acento */
.kicker {
  font-family: var(--sans);
  font-size: var(--step--1);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
  display: flex; align-items: center; gap: 0.9em;
}
.kicker .num { color: var(--accent); font-variant-numeric: tabular-nums; }
.kicker::before { content: ""; width: 28px; height: 1px; background: var(--accent); display: inline-block; }
.dark .kicker { color: #9FB0B8; }

/* ---------- BOTONES ---------- */
.btn {
  --b: var(--ink);
  display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--sans); font-size: var(--step--1); font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 1.1em 1.9em;
  border: 1px solid var(--b);
  color: var(--b);
  position: relative; overflow: hidden;
  transition: color .5s var(--ease);
  border-radius: 2px;
  will-change: transform;
}
.btn span { position: relative; z-index: 1; }
.btn::after {
  content: ""; position: absolute; inset: 0; background: var(--accent);
  transform: translateY(101%); transition: transform .5s var(--ease); z-index: 0;
}
.btn:hover { color: var(--paper); border-color: var(--accent); }
.btn:hover::after { transform: translateY(0); }
.btn--solid { background: var(--ink); color: var(--paper); --b: var(--ink); }
.btn--solid:hover { color: var(--paper); }
.btn--ghost-light { --b: var(--paper); color: var(--paper); }
.btn--ghost-light:hover { color: var(--ink); }
.btn--ghost-light::after { background: var(--paper); }
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* Enlace con subrayado al hover */
.link-underline {
  position: relative; display: inline-block;
  font-weight: 500;
}
.link-underline::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease);
}
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* =================================================================
   PRELOADER
   ================================================================= */
.preloader {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--ink); color: var(--paper);
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: var(--gutter);
}
.preloader__word { font-family: var(--display); font-size: var(--step-2); font-weight: 600; overflow: hidden; }
.preloader__word span { display: inline-block; transform: translateY(110%); animation: plUp .9s var(--ease) .15s forwards; }
.preloader__count { font-family: var(--display); font-size: clamp(4rem, 18vw, 14rem); line-height: 0.8; font-weight: 600; font-variant-numeric: tabular-nums; }
@keyframes plUp { to { transform: translateY(0); } }
.preloader.is-done { transform: translateY(-100%); transition: transform 1s var(--ease); }
body.loading { overflow: hidden; }

/* =================================================================
   CURSOR a medida (solo desktop)
   ================================================================= */
.cursor { position: fixed; top: 0; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); pointer-events: none; z-index: 999; transform: translate(-50%,-50%); mix-blend-mode: normal; }
.cursor-ring { position: fixed; top: 0; left: 0; width: 38px; height: 38px; border: 1px solid var(--accent); border-radius: 50%; pointer-events: none; z-index: 999; transform: translate(-50%,-50%); transition: width .3s var(--ease), height .3s var(--ease), background .3s var(--ease), opacity .3s; opacity: .55; }
.cursor-ring.is-hover { width: 64px; height: 64px; background: rgba(184,117,76,.08); opacity: 1; }
@media (hover: none), (max-width: 900px) { .cursor, .cursor-ring { display: none !important; } }

/* =================================================================
   HEADER
   ================================================================= */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: clamp(1rem,2vw,1.6rem) 0;
  transition: background .5s var(--ease), padding .5s var(--ease), color .5s var(--ease);
  color: var(--paper);
}
.site-header::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 260%;
  background: linear-gradient(180deg, rgba(18,25,30,.62) 0%, rgba(18,25,30,.28) 45%, rgba(18,25,30,0) 100%);
  pointer-events: none; z-index: -1; transition: opacity .5s var(--ease);
}
.site-header.is-solid::before { opacity: 0; }
.site-header.is-solid {
  background: var(--paper);
  color: var(--ink); border-bottom: 1px solid var(--line);
  padding: 0.8rem 0;
}
.site-header.is-hidden { transform: translateY(-100%); }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 0.75rem; line-height: 1; }
.brand__mark { width: clamp(26px,3vw,32px); flex-shrink: 0; display: block; }
.brand__mark svg { width: 100%; height: auto; display: block; }
.brand__text { display: flex; flex-direction: column; }
.brand__name { font-family: var(--display); font-size: clamp(1.3rem,2.3vw,1.62rem); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.brand__tag { font-family: var(--sans); font-size: 8.5px; letter-spacing: 0.28em; text-transform: uppercase; margin-top: 4px; opacity: .82; }
.footer-brand-lockup { display: flex; align-items: center; gap: 0.9rem; }
.footer-brand-lockup .brand__mark { width: 40px; color: var(--paper); }
.preloader__mark { width: clamp(54px,9vw,90px); color: var(--paper); }
.preloader__mark svg { width: 100%; height: auto; }
.nav-desktop { display: flex; align-items: center; gap: clamp(1.4rem, 2.5vw, 2.6rem); }
.nav-desktop a { font-size: var(--step--1); letter-spacing: 0.02em; }
.nav-desktop .nav-link { position: relative; }
.nav-desktop .nav-link::after { content:""; position:absolute; left:0; bottom:-4px; width:100%; height:1px; background: currentColor; transform: scaleX(0); transform-origin:right; transition: transform .4s var(--ease); }
.nav-desktop .nav-link:hover::after { transform: scaleX(1); transform-origin:left; }
.nav-cta { border: 1px solid currentColor; padding: 0.7em 1.3em; border-radius: 2px; text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; transition: background .4s, color .4s; }
.is-solid .nav-cta:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }

/* Botón hamburguesa */
.menu-toggle { display: none; flex-direction: column; gap: 6px; width: 30px; z-index: 210; }
.menu-toggle span { width: 100%; height: 1.5px; background: currentColor; transition: transform .4s var(--ease), opacity .3s; }
body.menu-open .menu-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Menú móvil a pantalla completa */
.nav-overlay {
  position: fixed; inset: 0; z-index: 200; background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--gutter);
  clip-path: inset(0 0 100% 0); transition: clip-path .7s var(--ease);
  pointer-events: none;
}
body.menu-open .nav-overlay { clip-path: inset(0 0 0 0); pointer-events: auto; }
.nav-overlay ol { counter-reset: m; }
.nav-overlay li { overflow: hidden; }
.nav-overlay li a {
  font-family: var(--display); font-size: clamp(2.2rem, 9vw, 4.5rem); font-weight: 600;
  line-height: 1.12; display: inline-block; transform: translateY(110%);
  transition: transform .6s var(--ease); padding: 0.05em 0;
}
.nav-overlay li a::before { counter-increment: m; content: "0" counter(m); font-family: var(--sans); font-size: 12px; color: var(--accent); vertical-align: super; margin-right: 0.8em; letter-spacing: .1em; }
body.menu-open .nav-overlay li a { transform: translateY(0); }
.nav-overlay__foot { margin-top: clamp(2rem,5vw,3.5rem); display: flex; flex-wrap: wrap; gap: 2rem; font-size: var(--step--1); color: #9FB0B8; }
.nav-overlay__foot a { color: var(--paper); }

/* =================================================================
   HERO
   ================================================================= */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: var(--paper); overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 120%; object-fit: cover; will-change: transform; }
.hero__media::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(28,38,45,.62) 0%, rgba(28,38,45,.42) 42%, rgba(20,28,33,.9) 100%); }
.hero__inner { position: relative; z-index: 2; width: 100%; padding-bottom: clamp(3rem,7vh,6rem); padding-top: 14vh; }
.hero__inner .kicker, .hero h1, .hero__sub, .hero__feature { text-shadow: 0 1px 16px rgba(16,23,28,.5); }
.hero h1 { font-size: var(--step-5); line-height: 0.92; }
.hero__sub { max-width: 540px; font-size: var(--step-1); font-family: var(--display); font-weight: 400; margin-top: 1.2rem; line-height: 1.3; }
.hero__features { display: flex; flex-wrap: wrap; gap: 1.6rem 2.4rem; margin-top: 2.4rem; }
.hero__feature { display: flex; align-items: baseline; gap: 0.6em; font-size: var(--step--1); letter-spacing: 0.03em; text-transform: uppercase; }
.hero__feature b { color: var(--accent); font-weight: 600; }
.hero__feature .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.hero__scroll { position: absolute; right: var(--gutter); bottom: clamp(3rem,7vh,6rem); z-index: 2; font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase; writing-mode: vertical-rl; display: flex; align-items: center; gap: 1rem; }
.hero__scroll::after { content:""; width: 1px; height: 48px; background: var(--paper); opacity: .5; animation: scrollline 2s var(--ease) infinite; }
@keyframes scrollline { 0%{transform: scaleY(0); transform-origin: top;} 45%{transform: scaleY(1); transform-origin: top;} 55%{transform: scaleY(1); transform-origin: bottom;} 100%{transform: scaleY(0); transform-origin: bottom;} }
@media (max-width: 700px){ .hero__scroll{ display:none; } }

/* =================================================================
   "EL RESULTADO" — ecuación visual
   ================================================================= */
.equation { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(1rem,3vw,2.5rem); font-family: var(--display); font-size: var(--step-2); font-weight: 600; line-height: 1.1; }
.equation .op { color: var(--accent); font-size: 1.2em; }
.equation .res { font-style: italic; }

/* =================================================================
   GRID / CARDS UTILES
   ================================================================= */
.grid { display: grid; gap: var(--gutter); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }
.lede { font-family: var(--display); font-size: var(--step-2); line-height: 1.22; font-weight: 500; }

/* Lista de servicios — filas editoriales */
.svc-row {
  display: grid; grid-template-columns: 0.5fr 2.2fr 2.6fr auto; gap: var(--gutter);
  align-items: center; padding: clamp(1.6rem,3vw,2.6rem) 0;
  border-top: 1px solid var(--line); position: relative;
  transition: padding-left .5s var(--ease);
}
.svc-row:last-child { border-bottom: 1px solid var(--line); }
.svc-row__num { font-family: var(--sans); font-size: var(--step--1); color: var(--accent); font-variant-numeric: tabular-nums; }
.svc-row__title { font-family: var(--display); font-size: var(--step-2); font-weight: 600; line-height: 1.05; transition: transform .5s var(--ease); }
.svc-row__desc { color: var(--muted); font-size: var(--step-0); max-width: 42ch; }
.svc-row__go { width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; transition: background .4s, color .4s, border-color .4s, transform .4s var(--ease); flex-shrink: 0; }
.svc-row:hover { padding-left: clamp(0.5rem,1.5vw,1.4rem); }
.svc-row:hover .svc-row__go { background: var(--accent); border-color: var(--accent); color: var(--paper); transform: rotate(-45deg); }
@media (max-width: 820px){
  .svc-row { grid-template-columns: auto 1fr auto; row-gap: 0.6rem; }
  .svc-row__desc { grid-column: 2 / -1; }
}

/* Proceso — pasos */
.steps { counter-reset: s; }
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--gutter); padding: clamp(1.6rem,3vw,2.4rem) 0; border-top: 1px solid var(--line-dark); }
.step__n { font-family: var(--display); font-size: var(--step-2); color: var(--accent); font-variant-numeric: tabular-nums; }
.step h3 { font-size: var(--step-1); margin-bottom: 0.4rem; }
.step p { color: #9FB0B8; max-width: 56ch; }

/* Proyectos — fichas */
.project { display: block; overflow: hidden; position: relative; }
.project__img { overflow: hidden; aspect-ratio: 4/5; background: var(--paper-2); }
.project__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.project:hover .project__img img { transform: scale(1.05); }
.project__meta { display: flex; justify-content: space-between; align-items: baseline; padding-top: 1rem; gap: 1rem; }
.project__title { font-family: var(--display); font-size: var(--step-1); font-weight: 600; }
.project__tag { font-size: var(--step--1); color: var(--muted); letter-spacing: 0.05em; text-transform: uppercase; }
.project--wide .project__img { aspect-ratio: 16/10; }

/* Cifras */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--gutter); }
.stat__n { font-family: var(--display); font-size: var(--step-3); font-weight: 600; line-height: 1; }
.stat__n .u { color: var(--accent); }
.stat__l { font-size: var(--step--1); color: var(--muted); letter-spacing: 0.04em; margin-top: 0.5rem; text-transform: uppercase; }
.dark .stat__l { color: #9FB0B8; }
@media (max-width: 720px){ .stats { grid-template-columns: repeat(2,1fr); row-gap: 2.4rem; } }

/* Testimonios */
.quote { font-family: var(--display); font-size: var(--step-2); font-weight: 500; line-height: 1.28; }
.quote__by { font-family: var(--sans); font-size: var(--step--1); color: var(--muted); letter-spacing: 0.04em; margin-top: 1.4rem; text-transform: uppercase; }

/* Zonas */
.zones { display: flex; flex-wrap: wrap; gap: 0.6rem 0.4rem; }
.zone { font-family: var(--display); font-size: var(--step-2); font-weight: 500; color: var(--muted); transition: color .35s; }
.zone:hover { color: var(--ink); }
.zone .sep { color: var(--accent); margin: 0 0.3em; }

/* FAQ */
.faq__item { border-top: 1px solid var(--line); }
.faq__q { width: 100%; text-align: left; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: clamp(1.2rem,2.5vw,1.7rem) 0; font-family: var(--display); font-size: var(--step-1); font-weight: 600; }
.faq__q .pm { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.faq__q .pm::before, .faq__q .pm::after { content:""; position:absolute; top:50%; left:50%; transform: translate(-50%,-50%); background: var(--accent); }
.faq__q .pm::before { width: 18px; height: 1.5px; }
.faq__q .pm::after { width: 1.5px; height: 18px; transition: transform .4s var(--ease); }
.faq__item.is-open .pm::after { transform: translate(-50%,-50%) rotate(90deg); opacity: 0; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); }
.faq__a p { padding-bottom: 1.6rem; color: var(--muted); max-width: 68ch; }

/* =================================================================
   CTA + FORM
   ================================================================= */
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.95em 1em; font: inherit; font-size: var(--step-0);
  background: transparent; border: none; border-bottom: 1px solid var(--line);
  color: inherit; transition: border-color .4s;
}
.dark .field input, .dark .field select, .dark .field textarea { border-color: var(--line-dark); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field select { appearance: none; cursor: pointer; }
.dark .field select option { color: var(--ink); }
.form-note { font-size: var(--step--1); color: var(--muted); margin-top: 1rem; }

/* =================================================================
   FOOTER
   ================================================================= */
.site-footer { background: var(--ink); color: var(--paper); padding-top: var(--section); }
.footer-cta { font-family: var(--display); font-size: var(--step-4); font-weight: 600; line-height: 1; letter-spacing: -0.02em; }
.footer-cta a { display: inline-block; }
.footer-cta a:hover { color: var(--accent); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: var(--gutter); padding-block: clamp(3rem,6vw,5rem); border-top: 1px solid var(--line-dark); margin-top: clamp(3rem,7vw,6rem); }
.footer-grid h4 { font-family: var(--sans); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: #9FB0B8; margin-bottom: 1.2rem; font-weight: 500; }
.footer-grid ul li { margin-bottom: 0.6rem; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-block: 2rem; border-top: 1px solid var(--line-dark); font-size: var(--step--1); color: #9FB0B8; }
@media (max-width: 820px){ .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 2.4rem; } }

/* =================================================================
   ANIMACIÓN DE ENTRADA (reveal)
   ================================================================= */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: .08s; }
[data-reveal-delay="2"] { transition-delay: .16s; }
[data-reveal-delay="3"] { transition-delay: .24s; }
[data-reveal-delay="4"] { transition-delay: .32s; }

/* Revelado de titulares línea a línea (máscara) */
.reveal-lines .line-mask { overflow: hidden; display: block; }
.reveal-lines .line-inner { display: block; transform: translateY(110%); transition: transform .9s var(--ease); }
.reveal-lines.is-in .line-inner { transform: translateY(0); }
.reveal-lines.is-in .line-mask:nth-child(2) .line-inner { transition-delay: .09s; }
.reveal-lines.is-in .line-mask:nth-child(3) .line-inner { transition-delay: .18s; }
.reveal-lines.is-in .line-mask:nth-child(4) .line-inner { transition-delay: .27s; }

/* Marquee suave para banda de zonas / sectores */
.marquee { overflow: hidden; white-space: nowrap; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: inline-block; animation: marquee 38s linear infinite; }
.marquee__track span { font-family: var(--display); font-size: var(--step-3); font-weight: 600; padding: 0 1.2rem; color: var(--ink); }
.marquee__track .o { color: var(--accent); }
.dark .marquee__track span { color: var(--paper); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =================================================================
   RESPONSIVE
   ================================================================= */
@media (max-width: 960px){
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-cta { font-size: clamp(2.4rem, 11vw, 4rem); }
}
@media (max-width: 640px){
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .lede { font-size: var(--step-1); }
  .equation { font-size: var(--step-1); }
}

/* =================================================================
   prefers-reduced-motion — degrada con elegancia
   ================================================================= */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .reveal-lines .line-inner { transform: none !important; }
  .preloader { display: none !important; }
  body.loading { overflow: auto !important; }
  .cursor, .cursor-ring { display: none !important; }
  .hero__media img { height: 100% !important; }
}

/* Sin JS, todo visible */
.no-js [data-reveal] { opacity: 1; transform: none; }
.no-js .reveal-lines .line-inner { transform: none; }
.no-js .preloader { display: none; }
.no-js .ba__after { clip-path: inset(0 50% 0 0); }
.no-js .img-reveal::after { display: none; }
.no-js .img-reveal img { transform: none; }

/* ---------- BANNER PROMESA (interactivo, foco al cursor) ---------- */
.promise-band { position: relative; overflow: hidden; background: var(--ink); color: var(--paper); padding: clamp(2.6rem,6vw,4.8rem) 0; }
.promise-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(460px circle at var(--mx,28%) var(--my,40%), rgba(171,107,83,.32), transparent 62%);
  transition: background .25s var(--ease);
}
.promise-band .wrap { position: relative; z-index: 1; }
.promise-kicker { font-family: var(--sans); font-size: var(--step--1); letter-spacing: .22em; text-transform: uppercase; color: var(--accent-soft); margin-bottom: 1.4rem; display: flex; align-items: center; gap: .8em; }
.promise-kicker::before { content: ""; width: 28px; height: 1px; background: var(--accent); display: inline-block; }
.promise { font-family: var(--display); font-weight: 500; font-size: clamp(1.3rem,2.5vw,2.05rem); line-height: 1.34; max-width: 38ch; }
.promise em { font-style: italic; color: var(--accent-soft); }
.promise strong { font-weight: 600; color: var(--paper); }
.promise--sub { margin-top: 1.3rem; max-width: 46ch; color: #C7D0D5; font-size: clamp(1.05rem,1.8vw,1.45rem); }
@media (prefers-reduced-motion: reduce){ .promise-band::before { transition: none; } }

/* =================================================================
   AÑADIDOS v2 — más presencia visual e interacción
   ================================================================= */

/* Preloader: centrar marca + contador */
.preloader { align-items: center; justify-content: center; flex-direction: column; gap: 1.4rem; text-align: center; }
.preloader__count { font-size: clamp(3rem,12vw,8rem); }
.preloader__bar { width: min(280px, 60vw); height: 1px; background: var(--line-dark); position: relative; overflow: hidden; }
.preloader__bar span { position: absolute; inset: 0; transform-origin: left; transform: scaleX(0); background: var(--accent); }

/* Arco decorativo de marca como marca de agua de sección */
.arch-watermark { position: absolute; pointer-events: none; opacity: 0.5; color: var(--line); z-index: 0; }
.arch-watermark svg { width: 100%; height: auto; display: block; }
.dark .arch-watermark { color: rgba(242,241,238,.07); opacity: 1; }
.section > .wrap { position: relative; z-index: 1; }

/* Marquee del lema (banda a sangre) */
.tagline-band { background: var(--accent); color: var(--paper); padding: clamp(1.1rem,2.2vw,1.7rem) 0; overflow: hidden; }
.tagline-band .marquee__track { animation-duration: 30s; }
.tagline-band .marquee__track span { color: var(--paper); font-size: clamp(1.6rem,4vw,2.8rem); font-weight: 600; padding: 0 1.4rem; }
.tagline-band .marquee__track .star { font-family: var(--sans); font-size: 0.7em; vertical-align: middle; opacity: .8; }

/* Galería a sangre con scroll horizontal suave */
.gallery-strip { display: flex; gap: clamp(1rem,2vw,1.6rem); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 1rem; -ms-overflow-style: none; scrollbar-width: none; }
.gallery-strip::-webkit-scrollbar { display: none; }
.gallery-strip .g-item { flex: 0 0 clamp(260px, 40vw, 460px); scroll-snap-align: start; }
.gallery-strip .g-item .project__img { aspect-ratio: 4/5; }
.gallery-hint { font-size: var(--step--1); color: var(--muted); letter-spacing: .08em; text-transform: uppercase; display: inline-flex; align-items: center; gap: .6rem; }
.gallery-hint::after { content: "→"; color: var(--accent); }

/* Comparador ANTES / DESPUÉS */
.ba { position: relative; aspect-ratio: 16/10; overflow: hidden; user-select: none; border: 1px solid var(--line); background: var(--paper-2); touch-action: pan-y; }
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba__after { position: absolute; inset: 0; clip-path: inset(0 0 0 50%); }
.ba__aged { filter: grayscale(.6) brightness(.66) contrast(.96) sepia(.18); }
.ba__handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--accent); transform: translateX(-50%); z-index: 3; }
.ba__grip { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 52px; height: 52px; border-radius: 50%; background: var(--accent); color: var(--paper); display: grid; place-items: center; font-size: 18px; box-shadow: 0 6px 26px rgba(36,49,57,.35); }
.ba__tag { position: absolute; bottom: 14px; z-index: 2; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; padding: 6px 12px; background: rgba(36,49,57,.7); color: var(--paper); backdrop-filter: blur(4px); }
.ba__tag--b { left: 14px; } .ba__tag--a { right: 14px; }
.ba input[type=range] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; z-index: 4; margin: 0; }

/* Tarjeta de servicio destacada con imagen (para servicios.html / home alt) */
.feature-card { position: relative; overflow: hidden; display: block; aspect-ratio: 3/4; background: var(--ink); color: var(--paper); }
.feature-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .82; transition: transform 1.1s var(--ease), opacity .6s; }
.feature-card:hover img { transform: scale(1.06); opacity: .68; }
.feature-card__body { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(1.2rem,2.5vw,2rem); background: linear-gradient(180deg, transparent 40%, rgba(36,49,57,.85)); }
.feature-card__body h3 { font-size: var(--step-1); }
.feature-card__body .k { font-size: var(--step--1); color: var(--accent-soft); letter-spacing: .1em; text-transform: uppercase; margin-bottom: .4rem; }

/* Imagen con revelado tipo cortina al entrar */
.img-reveal { position: relative; overflow: hidden; }
.img-reveal img { transform: scale(1.12); transition: transform 1.4s var(--ease); }
.img-reveal::after { content:""; position: absolute; inset: 0; background: var(--accent); transform: scaleY(1); transform-origin: bottom; transition: transform 1s var(--ease); z-index: 2; }
.img-reveal.is-in img { transform: scale(1); }
.img-reveal.is-in::after { transform: scaleY(0); }

/* Pequeño detalle: punto de acento en kickers de hero claro */
.hero .kicker::before { background: var(--accent); }

/* Contador grande de cifras: monoespaciado tabular ya aplicado */
.stat__n[data-count] { font-variant-numeric: tabular-nums; }

@media (max-width: 640px){
  .ba { aspect-ratio: 4/5; }
  .gallery-strip .g-item { flex-basis: 78vw; }
}
@media (prefers-reduced-motion: reduce){
  .img-reveal img { transform: none !important; }
  .img-reveal::after { display: none; }
  .tagline-band .marquee__track, .marquee__track { animation: none !important; }
  .preloader__bar span { transform: scaleX(1) !important; }
}

/* ---------- Línea de barrios en el pie ---------- */
.footer-zones { font-size: var(--step--1); color: #9FB0B8; line-height: 1.8; padding-block: 1.6rem; border-top: 1px solid var(--line-dark); }

/* =================================================================
   AJUSTE SOBRIO / PROFESIONAL (v3)
   Fuera preloader, cursor personalizado y foco que sigue al ratón.
   ================================================================= */
.preloader { display: none !important; }
body.loading { overflow: auto !important; }
.cursor, .cursor-ring { display: none !important; }
/* Banner promesa: foco estático y discreto (sin seguir el cursor) */
.promise-band::before {
  background: radial-gradient(640px circle at 84% 26%, rgba(171,107,83,.13), transparent 70%) !important;
  transition: none !important;
}
.equation { font-weight: 600; letter-spacing: -0.02em; }
/* Titulares un punto más calmados */
.lede { font-weight: 500; }
.quote { font-weight: 600; }

/* =================================================================
   FIRMA DE MARCA: LA VENTANA EN ARCO (v4 — creativo)
   El arco del logo se convierte en el marco de las imágenes.
   ================================================================= */
.arch-frame {
  border-top-left-radius: 50% 30%;
  border-top-right-radius: 50% 30%;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  overflow: hidden;
}
.arch-frame--wide { border-top-left-radius: 50% 22%; border-top-right-radius: 50% 22%; }
/* Tarjetas de especialidad con remate de arco */
.feature-card { border-top-left-radius: 50% 26%; border-top-right-radius: 50% 26%; border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; }

/* Pieza "Del plano a la obra" */
.plan-viewer { background: #22323b; border: 1px solid var(--line); }
.plan-viewer .ba__after { background: #22323b; }
.plan-viewer .ba__after img { background: #22323b; }
.plan-viewer .ba__tag--a { background: rgba(34,50,59,.82); }
/* el asa y el aro respetan el arco superior */
.plan-viewer .ba__handle { z-index: 4; }

/* =================================================================
   RETOQUES v5 — promesa responsive, fórmula, timeline de proceso
   ================================================================= */
/* Promesa a dos columnas, llena el ancho y colapsa en móvil */
.promise-grid { display: grid; grid-template-columns: minmax(120px, 0.32fr) 1fr; gap: clamp(1.4rem, 4vw, 4.5rem); align-items: start; }
.promise-grid .promise-kicker { margin-bottom: 0; padding-top: .35rem; line-height: 1.25; }
.promise-body .promise { max-width: 32ch; }
.promise-body .promise--sub { max-width: 40ch; }
@media (max-width: 760px){ .promise-grid { grid-template-columns: 1fr; gap: 1.2rem; } .promise-grid .promise-kicker br { display: none; } }

/* Fórmula visual de "El resultado" */
.formula { display: flex; flex-direction: column; align-items: flex-start; gap: .55rem; }
.formula__term { font-size: var(--step-2); font-weight: 700; letter-spacing: -.025em; line-height: 1.08; }
.formula__term--res { color: var(--accent); }
.formula__op { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: var(--accent); font-weight: 600; font-size: 1.15rem; margin: .15rem 0 .15rem .15rem; }

/* Timeline del proceso (línea que se rellena + pasos que se iluminan) */
.steps--timeline { position: relative; --pl: clamp(26px, 3.4vw, 48px); padding-left: var(--pl); }
.steps--timeline .steps__track,
.steps--timeline .steps__fill { position: absolute; left: 0; width: 2px; }
.steps--timeline .steps__track { top: .5rem; bottom: .5rem; background: var(--line-dark); }
.steps--timeline .steps__fill { top: .5rem; height: calc(100% - 1rem); background: var(--accent); transform-origin: top; transform: scaleY(var(--p, 0)); }
.steps--timeline .step { position: relative; }
.steps--timeline .step__n { color: #56666f; transition: color .45s var(--ease), transform .45s var(--ease); }
.steps--timeline .step.is-active .step__n { color: var(--accent); transform: translateY(-2px); }
.steps--timeline .step::before { content: ""; position: absolute; left: calc(-1 * var(--pl)); top: .6em; width: 11px; height: 11px; border-radius: 50%; background: var(--ink); border: 2px solid #56666f; transform: translateX(-4.5px); transition: border-color .45s var(--ease), background .45s var(--ease); }
.steps--timeline .step.is-active::before { border-color: var(--accent); background: var(--accent); }

/* Responsive general: los grids de 12 columnas se apilan en móvil */
@media (max-width: 820px){ .grid-12 > * { grid-column: 1 / -1 !important; } }
@media (prefers-reduced-motion: reduce){ .steps--timeline .steps__fill { transform: scaleY(1); } }

/* =================================================================
   v6 — Estudio (tarjetas "por qué") + Proyectos (historia)
   ================================================================= */
/* Lista de diferenciadores en tarjetas legibles */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.6rem, 3vw, 2.6rem); margin-top: clamp(2.5rem, 5vw, 4rem); }
.why-card { border-top: 2px solid var(--ink); padding-top: 1.3rem; }
.why-card__n { display: block; font-size: var(--step-1); font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; margin-bottom: .7rem; letter-spacing: -.02em; }
.why-card h3 { font-size: var(--step-1); line-height: 1.18; margin-bottom: .6rem; }
.why-card p { color: var(--muted); }
@media (max-width: 860px){ .why-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .why-grid { grid-template-columns: 1fr; } }

/* Contraste de descripciones en listas .steps sobre fondo claro */
.step p { color: var(--muted); }
.dark .step p { color: #9FB0B8; }

/* "Conocer la historia" bajo cada proyecto */
.project__story { display: inline-flex; align-items: center; gap: .5em; margin-top: .7rem; font-size: var(--step--1); letter-spacing: .08em; text-transform: uppercase; font-weight: 600; color: var(--accent); }
.project__story span { transition: transform .4s var(--ease); }
.project:hover .project__story span { transform: translateX(5px); }

/* Página de historia */
.hero--story { min-height: 76vh; }
.story-lead { font-size: var(--step-1); line-height: 1.45; }

/* Pies de foto en la galería de la historia */
.story-shot { position: relative; }
.story-shot figcaption { position: absolute; left: 0; right: 0; bottom: 0; z-index: 3; padding: 2rem 1.1rem 1.1rem; color: var(--paper); font-size: var(--step--1); letter-spacing: .03em; background: linear-gradient(180deg, transparent, rgba(36,49,57,.82)); }

/* =================================================================
   v7 — BLOG y ARTÍCULOS (SEO)
   ================================================================= */
.post-card { display: flex; flex-direction: column; }
.post-card .project__img { aspect-ratio: 16/11; }
.post-card .post-cat { font-size: var(--step--1); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-top: 1rem; }
.post-card h2, .post-card h3 { font-size: var(--step-1); margin: .5rem 0; line-height: 1.22; }
.post-card p { color: var(--muted); }
.post-card .project__story { margin-top: .9rem; }

.article-hero { padding-top: clamp(7.5rem, 13vh, 11rem); padding-bottom: clamp(2rem,5vw,3.5rem); }
.article-meta { display: flex; gap: 1.2rem; flex-wrap: wrap; font-size: var(--step--1); color: var(--muted); letter-spacing: .04em; text-transform: uppercase; margin-top: 1.2rem; }
.article-meta .tag { color: var(--accent); font-weight: 600; }
.prose { max-width: 760px; }
.prose > * + * { margin-top: 1.15rem; }
.prose h2 { font-size: var(--step-2); margin-top: 2.6rem; line-height: 1.18; }
.prose h3 { font-size: var(--step-1); margin-top: 1.8rem; }
.prose p, .prose li { font-size: 1.075rem; line-height: 1.75; color: #353f48; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-top: .45rem; }
.prose ul li::marker { color: var(--accent); }
.prose a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); }
.prose blockquote { border-left: 3px solid var(--accent); padding: .3rem 0 .3rem 1.4rem; font-size: var(--step-1); color: var(--ink); font-weight: 500; }
.prose table { width: 100%; border-collapse: collapse; font-size: .98rem; margin-top: 1rem; }
.prose th, .prose td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--line); }
.prose thead th { background: var(--paper-2); font-weight: 700; color: var(--ink); }
.prose figure { margin-top: 1.6rem; }
.prose figcaption { font-size: var(--step--1); color: var(--muted); margin-top: .6rem; }

.download-box { background: var(--ink); color: var(--paper); border-radius: 6px; padding: clamp(1.6rem,3vw,2.4rem); display: grid; grid-template-columns: 1fr auto; gap: 1.4rem; align-items: center; margin-top: 2.4rem; }
.download-box h3 { color: var(--paper); font-size: var(--step-1); margin: 0; }
.download-box p { color: #9FB0B8; margin-top: .5rem; font-size: var(--step-0); max-width: 48ch; }
.download-box .btn { flex-shrink: 0; }
@media (max-width: 620px){ .download-box { grid-template-columns: 1fr; } }

.faq__a-static p { color: var(--muted); padding-bottom: 1.4rem; max-width: 70ch; }

/* "Sigue leyendo" */
.read-next { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: 0; margin-top: 1.5rem; }
.read-next li { margin: 0; }
.read-next a { display: block; border: 1px solid var(--line); border-radius: 4px; padding: 1.1rem 1.3rem; font-weight: 600; color: var(--ink); transition: border-color .3s, background .3s; }
.read-next a:hover { border-color: var(--accent); background: var(--paper-2); }
@media (max-width: 620px){ .read-next { grid-template-columns: 1fr; } }

/* =================================================================
   v8 — fix descendentes, carrusel, modal lead-gate, misión
   ================================================================= */
/* Fix: las máscaras del titular cortaban las letras con cola (g, j, p) */
.reveal-lines .line-mask { padding-bottom: 0.14em; margin-bottom: -0.06em; }
.hero h1, .reveal-lines { line-height: 1.16; }

/* Sección Nuestra misión con imagen de fondo */
.mission { position: relative; overflow: hidden; color: var(--paper); }
.mission__bg { position: absolute; inset: 0; z-index: 0; }
.mission__bg img { width: 100%; height: 100%; object-fit: cover; }
.mission__bg::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(20,28,33,.78), rgba(20,28,33,.86)); }
.mission .wrap { position: relative; z-index: 1; }
.mission .lede, .mission p { color: #E7EAEC; }

/* Carrusel de obra */
.carousel { position: relative; }
.carousel__track { display: flex; gap: clamp(1rem,2vw,1.4rem); overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; -ms-overflow-style: none; scrollbar-width: none; padding-bottom: .4rem; }
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__item { flex: 0 0 clamp(270px, 47vw, 540px); scroll-snap-align: start; }
.carousel__item .ph { aspect-ratio: 4/3; overflow: hidden; border-radius: 4px; background: var(--paper-2); }
.carousel__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.carousel__item:hover img { transform: scale(1.04); }
.carousel__cap { margin-top: .8rem; font-size: var(--step--1); color: var(--muted); letter-spacing: .03em; }
.dark .carousel__cap { color: #9FB0B8; }
.carousel__nav { display: flex; gap: .6rem; margin-top: 1.3rem; }
.carousel__btn { width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; font-size: 18px; transition: background .3s, color .3s, border-color .3s; }
.carousel__btn:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.dark .carousel__btn { border-color: var(--line-dark); color: var(--paper); }

/* Modal lead-gate */
.modal { position: fixed; inset: 0; z-index: 1200; display: none; align-items: center; justify-content: center; padding: 1.2rem; }
.modal.is-open { display: flex; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(20,28,33,.62); }
.modal__card { position: relative; z-index: 1; background: var(--paper); border-radius: 8px; max-width: 470px; width: 100%; padding: clamp(1.6rem,4vw,2.6rem); box-shadow: 0 30px 80px rgba(20,28,33,.45); animation: modalIn .4s var(--ease); }
@keyframes modalIn { from { opacity: 0; transform: translateY(16px); } }
.modal__close { position: absolute; top: .9rem; right: .9rem; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: var(--muted); font-size: 16px; }
.modal__close:hover { color: var(--ink); background: var(--paper-2); }
.modal h3 { font-size: var(--step-2); margin-top: .3rem; }
.modal .rgpd { display: flex; gap: .6rem; align-items: flex-start; font-size: 12.5px; color: var(--muted); margin: .2rem 0 1.2rem; line-height: 1.5; }
.modal .rgpd input { width: auto; margin-top: 3px; flex-shrink: 0; }
body.modal-open { overflow: hidden; }

/* Arco invertido (semicírculo abajo) y par apilado antes/después */
.arch-frame--down { border-top-left-radius: 8px; border-top-right-radius: 8px; border-bottom-left-radius: 50% 30%; border-bottom-right-radius: 50% 30%; overflow: hidden; }
.arch-stack { display: flex; flex-direction: column; gap: 5px; }
.arch-stack figure { position: relative; margin: 0; }
.stack-tag { position: absolute; left: 14px; top: 14px; z-index: 4; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; padding: 5px 11px; background: rgba(36,49,57,.75); color: var(--paper); border-radius: 2px; }
.stack-tag--bottom { top: auto; bottom: 14px; }

/* Fix: las fotos de la galería de historia deben rellenar su marco (evita hueco blanco) */
.story-shot { overflow: hidden; }
.story-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }