/* =============================================================
   moseinco.com.ar — Rediseño 2026
   Sistema editorial + técnico
   ============================================================= */

:root {
  /* Paleta base (tweakable) */
  --ink:        #0A1F26;   /* azul tinta profundo */
  --ink-soft:   #102b33;
  --teal:       #0C5A6E;   /* acento estructural */
  --teal-deep:  #084351;
  --paper:      #F3EFE6;   /* papel cálido principal */
  --paper-2:    #EAE4D6;   /* papel cálido alterno */
  --paper-line: #DBD4C2;
  --amber:      #E0931A;   /* acento puntual */
  --on-ink:     #F3EFE6;
  --on-ink-dim: rgba(243, 239, 230, 0.62);
  --on-paper:   #1B2E33;
  --on-paper-dim:#5B6A6D;

  /* Tipografía (tweakable) */
  --font-display: "Spectral", Georgia, serif;
  --font-body:    "Hanken Grotesk", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--on-paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--amber); color: var(--ink); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.measure { max-width: 760px; }

/* --- Tipografía utilitaria --- */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  color: var(--teal);
}
.kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.on-dark .kicker, .kicker.light { color: var(--amber); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em; }

.display {
  font-size: clamp(2.1rem, 5.2vw, 4rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.h-section {
  font-size: clamp(1.8rem, 3.6vw, 2.9rem);
  font-weight: 500;
  text-wrap: balance;
}
.lead {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  line-height: 1.65;
  color: var(--on-paper-dim);
  text-wrap: pretty;
}

/* --- Botones --- */
.btn {
  --bg: var(--ink);
  --fg: var(--paper);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: 0.01em;
  padding: 15px 28px;
  border-radius: 2px;
  border: 1px solid var(--bg);
  cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.7,.3,1), background .25s, color .25s, box-shadow .25s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -12px rgba(10,31,38,.5); }
.btn .arrow { transition: transform .25s; }
.btn:hover .arrow { transform: translateX(3px); }

.btn-amber  { --bg: var(--amber); --fg: var(--ink); border-color: var(--amber); }
.btn-amber:hover { --bg: #c97f12; }
.btn-teal   { --bg: var(--teal); --fg: var(--on-ink); border-color: var(--teal); }
.btn-ghost  { --bg: transparent; --fg: var(--ink); border-color: rgba(27,46,51,.28); }
.btn-ghost:hover { --bg: transparent; border-color: var(--ink); }
.on-dark .btn-ghost { --fg: var(--on-ink); border-color: rgba(243,239,230,.32); }
.on-dark .btn-ghost:hover { border-color: var(--on-ink); }

/* =============================================================
   HEADER / NAV
   ============================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .35s, box-shadow .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--paper-line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand-row { display: flex; align-items: center; gap: 0.55rem; }
.brand .name {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.18rem; letter-spacing: -0.01em;
  color: var(--ink); white-space: nowrap;
}
.brand-logo {
  display: block;
  height: 1.15em; width: auto;
  flex-shrink: 0;
  /* Visible solo en la parte superior (sobre el hero). Oculto al hacer scroll. */
  opacity: 0; max-width: 0; margin-right: -0.55rem;
  transition: max-width .3s ease, opacity .3s ease, margin-right .3s ease;
}
.site-header:not(.scrolled).over-dark .brand-logo {
  opacity: 1; max-width: 3em; margin-right: 0;
}
.brand-divider {
  width: 1px; height: 1.1em; background: currentColor; color: var(--ink);
  flex-shrink: 0;
  opacity: 0; max-width: 0; margin-right: -0.55rem;
  transition: max-width .3s ease, opacity .3s ease, margin-right .3s ease;
}
.site-header:not(.scrolled).over-dark .brand-divider {
  opacity: 0.5; max-width: 1px; margin-right: 0;
}
.site-header:not(.scrolled).over-dark .brand-divider { color: var(--on-ink); }
.brand .role {
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--on-paper-dim); margin-top: 5px; white-space: nowrap;
}
.site-header:not(.scrolled).over-dark .brand .name { color: var(--on-ink); }
.site-header:not(.scrolled).over-dark .brand .role { color: var(--on-ink-dim); }
.site-header:not(.scrolled).over-dark .nav-link { color: var(--on-ink); }

.nav-menu { display: flex; align-items: center; gap: 0.4rem; }
.nav-link {
  font-size: 0.95rem; font-weight: 500;
  color: var(--on-paper); padding: 9px 14px; border-radius: 2px;
  position: relative; transition: color .2s;
}
.nav-link:not(.cta)::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .3s cubic-bezier(.2,.7,.3,1); opacity: .6;
}
.nav-link:not(.cta):hover::after { transform: scaleX(1); }
.nav-link.cta {
  background: var(--amber); color: var(--ink); font-weight: 600;
  padding: 10px 20px; margin-left: 0.6rem;
}
.nav-link.cta:hover { background: var(--ink); color: var(--on-ink); }

.nav-toggle { display: none; }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: flex-end;
  color: var(--on-ink); overflow: hidden; isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 30% center; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(8,25,30,.88) 0%, rgba(8,25,30,.55) 42%, rgba(8,25,30,.12) 72%, rgba(8,25,30,.30) 100%),
    linear-gradient(180deg, rgba(8,25,30,.55) 0%, rgba(8,25,30,.15) 32%, rgba(8,25,30,.45) 68%, rgba(8,25,30,.92) 100%);
}
/* grilla técnica de medición */
.hero-grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  opacity: .14;
  background-image:
    linear-gradient(rgba(243,239,230,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243,239,230,.5) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 75%, transparent);
}
.hero-inner { padding-bottom: clamp(48px, 9vh, 110px); padding-top: 120px; width: 100%; }
.hero-kicker {
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--amber); margin-bottom: 1.8rem;
  display: flex; gap: 1.4rem; flex-wrap: wrap; align-items: center;
}
.hero-kicker span { display: inline-flex; align-items: center; gap: 0.6em; }
.hero-kicker span::before { content: ""; width: 6px; height: 6px; background: var(--amber); border-radius: 50%; }
.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 4.6rem);
  font-weight: 500; line-height: 1.04; letter-spacing: -0.022em;
  max-width: 17ch; text-wrap: balance;
}
.hero h1 em { font-style: italic; color: var(--amber); font-weight: 500; }
.hero-sub {
  margin-top: 1.6rem; font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  line-height: 1.6; max-width: 52ch; color: rgba(243,239,230,.86);
}
.hero-actions { margin-top: 2.4rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* franja de stats */
.hero-stats {
  position: relative; background: var(--ink); color: var(--on-ink);
  border-top: 1px solid rgba(243,239,230,.12);
}
.hero-stats .container {
  display: grid; grid-template-columns: repeat(3, 1fr);
}
.stat { padding: 30px 0; }
.stat + .stat { border-left: 1px solid rgba(243,239,230,.12); padding-left: 34px; }
.stat .num {
  font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 500; line-height: 1; color: var(--amber);
}
.stat .lbl {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--on-ink-dim); margin-top: 0.7rem;
}

/* =============================================================
   SECCIONES — base
   ============================================================= */
section { position: relative; }
.sec { padding: clamp(72px, 11vh, 140px) 0; }
.sec-dark { background: var(--ink); color: var(--on-ink); }
.sec-dark .lead { color: var(--on-ink-dim); }
.sec-paper2 { background: var(--paper-2); }
.sec-teal { background: var(--teal-deep); color: var(--on-ink); }
.sec-teal .lead { color: rgba(243,239,230,.7); }

.sec-head { margin-bottom: clamp(2.6rem, 6vh, 4.5rem); }
.sec-head .kicker { margin-bottom: 1.4rem; }

/* index numbering */
.idx { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; color: var(--on-paper-dim); }
.on-dark .idx { color: var(--on-ink-dim); }

/* =============================================================
   EL PROBLEMA
   ============================================================= */
.problem h2 {
  font-size: clamp(1.9rem, 4vw, 3.1rem); font-weight: 500; line-height: 1.1;
  text-wrap: balance; margin-bottom: 2.4rem;
}
.problem h2 .accent { color: var(--amber); font-style: italic; }
.problem-body { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem,5vw,5rem); align-items: start; }
.problem-body p { font-size: 1.12rem; line-height: 1.75; color: rgba(243,239,230,.82); }
.problem-body p + p { margin-top: 1.3rem; }
.problem-quote {
  border-left: 2px solid var(--amber); padding: 0.4rem 0 0.4rem 1.6rem;
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem); line-height: 1.35; color: var(--on-ink);
}
.problem-turn {
  margin-top: 2rem; font-family: var(--font-display); font-size: 1.35rem;
  color: var(--on-ink); font-style: italic;
}

/* =============================================================
   MI CRITERIO
   ============================================================= */
.criterio-grid { display: grid; grid-template-columns: 1fr 1px 1fr; gap: clamp(2rem,5vw,4.5rem); align-items: stretch; }
.criterio-div { background: var(--paper-line); }
.criterio-card { display: flex; flex-direction: column; gap: 1.4rem; }
.criterio-num { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; color: var(--teal); }
.criterio-lead {
  font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 500; line-height: 1.2; color: var(--ink); text-wrap: balance;
}
.criterio-end { font-size: 1.1rem; line-height: 1.7; color: var(--on-paper-dim); margin-top: auto; }
.criterio-end strong { color: var(--ink); font-weight: 600; }

/* =============================================================
   ECOSISTEMA — diagrama nativo
   ============================================================= */
.eco-intro { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: end; margin-bottom: 3.5rem; }
.eco-note { font-family: var(--font-display); font-style: italic; font-size: clamp(1.15rem,2vw,1.5rem); line-height: 1.35; color: var(--on-ink); }
.eco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(243,239,230,.14); border: 1px solid rgba(243,239,230,.14); }
.eco-domain { background: var(--ink); padding: clamp(1.6rem,3vw,2.4rem); display: flex; flex-direction: column; }
.eco-domain .d-head { display: flex; align-items: baseline; gap: 0.8rem; margin-bottom: 1.6rem; }
.eco-domain .d-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--amber); }
.eco-domain h3 { font-size: 1.35rem; font-weight: 600; color: var(--on-ink); line-height: 1.15; }
.eco-domain .d-sub { font-size: 0.96rem; color: var(--on-ink-dim); margin-bottom: 1.6rem; line-height: 1.5; }
.eco-list { list-style: none; display: flex; flex-direction: column; gap: 0; margin-top: auto; }
.eco-list li {
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.01em;
  color: rgba(243,239,230,.82); padding: 0.7rem 0; border-top: 1px solid rgba(243,239,230,.1);
  display: flex; gap: 0.7rem; align-items: center;
}
.eco-list li::before { content: "—"; color: var(--teal); }
.eco-domain.is-op { background: var(--ink-soft); }
.eco-domain .bar { height: 3px; width: 38px; margin-bottom: 1.4rem; background: var(--amber); }
.eco-domain.is-admin .bar { background: var(--teal); }
.eco-domain.is-plan .bar { background: #6E8B92; }

/* =============================================================
   PARA QUIÉN
   ============================================================= */
.pq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.pq-card {
  background: var(--paper); border: 1px solid var(--paper-line);
  padding: 2.2rem 2rem; display: flex; flex-direction: column; gap: 1.1rem;
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s, border-color .35s;
}
.sec-paper2 .pq-card { background: #F3EFE6; }
.pq-card:hover { transform: translateY(-5px); box-shadow: 0 22px 44px -28px rgba(10,31,38,.4); border-color: var(--teal); }
.pq-num { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; color: var(--teal); }
.pq-ico { width: 48px; height: 48px; color: var(--teal); }
.pq-ico svg { width: 100%; height: 100%; }
.pq-card h3 { font-size: 1.4rem; font-weight: 600; color: var(--ink); }
.pq-card p { font-size: 1rem; line-height: 1.6; color: var(--on-paper-dim); flex-grow: 1; }
.pq-tag {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em;
  color: var(--ink); padding-top: 1rem; border-top: 1px solid var(--paper-line); line-height: 1.5;
}

/* =============================================================
   SERVICIOS
   ============================================================= */
.serv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.serv-card {
  background: var(--ink-soft); border: 1px solid rgba(243,239,230,.12);
  padding: clamp(1.6rem, 2.6vw, 2.3rem); display: flex; flex-direction: column;
}
.serv-card .s-line { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber); }
.serv-card h3 { font-size: clamp(1.4rem,2vw,1.75rem); font-weight: 500; color: var(--on-ink); margin: 0.6rem 0 0.9rem; line-height: 1.12; }
.serv-card .s-desc { color: var(--on-ink-dim); font-size: 1rem; line-height: 1.55; margin-bottom: 1.3rem; }
.serv-list { list-style: none; display: flex; flex-direction: column; }
.serv-list li {
  font-size: 0.95rem; color: rgba(243,239,230,.85); padding: 0.6rem 0;
  border-top: 1px solid rgba(243,239,230,.1); display: flex; gap: 0.8rem; align-items: flex-start;
}
.serv-list li::before { content: ""; flex-shrink: 0; width: 6px; height: 6px; margin-top: 0.5rem; background: var(--teal); transform: rotate(45deg); }
.serv-foot { margin-top: auto; padding-top: 1.4rem; }
.serv-foot .s-for { display: block; color: var(--on-ink-dim); font-size: 0.92rem; line-height: 1.45; margin-bottom: 0.8rem; }
.serv-foot .s-model {
  display: inline-block; font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--on-ink); border: 1px solid rgba(243,239,230,.22); padding: 6px 13px; border-radius: 2px;
}
.serv-cta { text-align: center; margin-top: 2.6rem; }
.serv-cta p { font-family: var(--font-display); font-style: italic; font-size: clamp(1.15rem,2vw,1.5rem); color: var(--on-ink); margin-bottom: 1.2rem; }

/* =============================================================
   EXPERIENCIALIDAD — ciclo rediseñado
   ============================================================= */
.exp-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(2.5rem,6vw,5rem); align-items: center; }
.exp-title { font-size: clamp(2.2rem,4.4vw,3.4rem); font-weight: 500; color: var(--ink); line-height: 1.04; }
.exp-title sup { font-size: 0.42em; top: -1.1em; color: var(--amber); }
.exp-def { font-family: var(--font-display); font-style: italic; font-size: clamp(1.2rem,2vw,1.55rem); line-height: 1.35; color: var(--ink); margin: 1.6rem 0; }
.exp-body p { color: var(--on-paper-dim); font-size: 1.06rem; line-height: 1.7; }
.exp-body p + p { margin-top: 1rem; }
.exp-end { font-family: var(--font-display); font-style: italic; font-size: 1.3rem; color: var(--teal); margin: 1.6rem 0 1.8rem !important; }

/* ciclo */
.cycle { --ring-r: clamp(118px, 19vw, 192px); position: relative; aspect-ratio: 1; max-width: 460px; margin: 0 auto; width: 100%; }
.cycle-ring { position: absolute; inset: 14%; border: 1px dashed var(--paper-line); border-radius: 50%; }
.cycle-core {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 47%; aspect-ratio: 1; border-radius: 50%; background: var(--ink); color: var(--on-ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  padding: 1rem;
}
.cycle-core .c-mono { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 0.5rem; }
.cycle-core .c-word { font-family: var(--font-display); font-size: clamp(0.95rem,1.9vw,1.18rem); font-weight: 500; line-height: 1.1; }
.cycle-node {
  position: absolute; top: 50%; left: 50%; width: 0; height: 0;
  transform: rotate(var(--a)) translateY(calc(-1 * var(--ring-r)));
}
.cycle-node .dot {
  position: absolute; left: 0; top: 0;
  transform: translate(-50%,-50%) rotate(calc(-1 * var(--a)));
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em;
  background: var(--paper); border: 1px solid var(--paper-line); color: var(--ink);
  padding: 6px 11px; border-radius: 2px; white-space: nowrap;
  transition: background .25s, color .25s, border-color .25s;
}
.sec-paper2 .cycle-node .dot { background: #F3EFE6; }
.cycle-node .dot:hover { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.cycle-node .dot .n { color: var(--teal); margin-right: 0.4em; }
.cycle-node .dot:hover .n { color: var(--amber); }

/* =============================================================
   SOBRE MÍ
   ============================================================= */
.about-grid { display: grid; grid-template-columns: 280px 1fr; gap: clamp(2rem,5vw,4rem); align-items: center; }
.about-photo {
  position: relative; aspect-ratio: 4/5; width: 100%; max-width: 280px; background: var(--paper-2);
  border: 1px solid var(--paper-line); overflow: hidden;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.about-photo .ph-stripe {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, transparent 0 13px, rgba(12,90,110,.07) 13px 14px);
}
.about-photo .ph-label {
  position: absolute; bottom: 16px; left: 16px; right: 16px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  color: var(--on-paper-dim); text-transform: uppercase;
}
.about-photo .ph-mark {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-family: var(--font-display); font-size: 3.4rem; color: var(--paper-line);
}
.about-tag { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em; color: var(--teal); margin: 0.6rem 0 1.8rem; text-transform: uppercase; }
.about-body p { font-size: 1.08rem; line-height: 1.75; color: var(--on-paper-dim); }
.about-body p + p { margin-top: 1.2rem; }
.about-close {
  font-family: var(--font-display); font-style: italic; color: var(--ink) !important;
  font-size: clamp(1.2rem,2vw,1.5rem) !important; line-height: 1.4 !important; margin-top: 1.8rem !important;
  padding-left: 1.4rem; border-left: 2px solid var(--amber);
}

/* =============================================================
   CONTACTO
   ============================================================= */
.contact { text-align: left; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem,6vw,5rem); align-items: start; }
.contact h2 { font-size: clamp(2.4rem,5vw,4rem); font-weight: 500; line-height: 1.02; }
.contact-sub { margin-top: 1.6rem; font-size: 1.15rem; line-height: 1.65; color: var(--on-ink-dim); max-width: 42ch; }
.contact-note { margin-top: 1.8rem; font-family: var(--font-display); font-style: italic; color: var(--amber); font-size: 1.15rem; }
.contact-channels { display: flex; flex-direction: column; }
.channel {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.5rem 0; border-top: 1px solid rgba(243,239,230,.16);
  transition: padding-left .3s;
}
.channel:last-child { border-bottom: 1px solid rgba(243,239,230,.16); }
.channel:hover { padding-left: 0.6rem; }
.channel.is-static { cursor: default; }
.channel.is-static:hover { padding-left: 0; }
.channel .c-key { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-ink-dim); }
.channel .c-val { font-size: 1.18rem; color: var(--on-ink); font-weight: 500; display: inline-flex; align-items: center; gap: 0.6rem; }
.channel .c-val .arrow { color: var(--amber); transition: transform .25s; }
.channel:hover .c-val .arrow { transform: translateX(4px); }
.contact-actions { margin-top: 2.4rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer { background: #061418; color: var(--on-ink-dim); padding: 3rem 0; }
.foot-row { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem 2.5rem; flex-wrap: wrap; }
.foot-brand { display: flex; align-items: center; gap: 0.55rem; font-family: var(--font-display); color: var(--on-ink); font-size: 1.05rem; flex-shrink: 0; }
.foot-logo { display: block; height: 1.15em; width: auto; flex-shrink: 0; }
.foot-divider { width: 1px; height: 1.1em; background: var(--on-ink); opacity: 0.4; flex-shrink: 0; }
.foot-row p { font-size: 0.82rem; line-height: 1.6; white-space: nowrap; }
@media (max-width: 760px) {
  .foot-row p { white-space: normal; }
}

/* =============================================================
   REVEAL on scroll
   ============================================================= */
/* =============================================================
   REVEAL on scroll — estado oculto SOLO con JS activo (clase .js)
   Sin JS o si algo falla, el contenido es visible por defecto.
   ============================================================= */
.reveal { transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 940px) {
  .problem-body, .eco-intro, .exp-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .eco-grid { grid-template-columns: 1fr; }
  .pq-grid { grid-template-columns: 1fr; }
  .serv-grid { grid-template-columns: 1fr; }
  .criterio-grid { grid-template-columns: 1fr; }
  .criterio-div { display: none; }
  .exp-visual { order: -1; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-menu { position: fixed; inset: 76px 0 auto 0; background: var(--paper); flex-direction: column; align-items: stretch; gap: 0; padding: 1rem var(--gutter) 2rem; border-bottom: 1px solid var(--paper-line); transform: translateY(-130%); transition: transform .4s cubic-bezier(.2,.7,.3,1); }
  .nav-menu.open { transform: none; }
  .nav-link { padding: 14px 0; border-bottom: 1px solid var(--paper-line); }
  .nav-link.cta { margin: 0.8rem 0 0; text-align: center; }
  .nav-toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
  .nav-toggle span { width: 26px; height: 2px; background: var(--ink); transition: transform .3s, opacity .3s; }
  .site-header:not(.scrolled).over-dark .nav-toggle span { background: var(--on-ink); }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-stats .container { grid-template-columns: 1fr; }
  .stat + .stat { border-left: none; border-top: 1px solid rgba(243,239,230,.12); padding-left: 0; }
  .stat { padding: 22px 0; }
}
