/* ==========================================================================
   ASISCOM — Asistencias del Comahue
   Identidad visual: carbón #1B1C20 + rojo #E4253A
   ========================================================================== */

:root {
  --rojo: #e4253a;
  --rojo-osc: #b31424;
  --rojo-claro: #f0455a;
  --carbon: #1b1c20;
  --carbon-2: #24252a;
  --carbon-3: #2e3037;
  --texto: #22242a;
  --texto-suave: #5b6069;
  --linea: #e3e5e9;
  --fondo: #ffffff;
  --fondo-alt: #f6f7f9;
  --radio: 14px;
  --radio-sm: 10px;
  --sombra: 0 18px 40px -24px rgba(20, 21, 26, .35);
  --max: 1180px;
  --nav-h: 74px;
  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--texto);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  line-height: 1.12;
  letter-spacing: -.022em;
  font-weight: 750;
  color: var(--carbon);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--rojo-osc); text-decoration: none; }
a:hover { color: var(--rojo); }

ul, ol { margin: 0; padding: 0; list-style: none; }

img, svg { max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: 820px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--carbon);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

:focus-visible {
  outline: 3px solid var(--rojo);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================ Botones ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 650;
  letter-spacing: .01em;
  padding: 15px 26px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
  text-align: center;
  line-height: 1.2;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--rojo);
  color: #fff;
  box-shadow: 0 12px 26px -14px rgba(228, 37, 58, .85);
}
.btn-primary:hover { background: var(--rojo-osc); color: #fff; }

.btn-ghost {
  border-color: currentColor;
  color: var(--carbon);
  background: transparent;
}
.btn-ghost:hover { background: var(--carbon); border-color: var(--carbon); color: #fff; }

.btn-dark {
  background: var(--carbon);
  color: #fff;
  padding: 13px 22px;
  font-size: .9rem;
}
.btn-dark:hover { background: var(--carbon-3); color: #fff; }

.btn-sm { padding: 11px 18px; font-size: .85rem; }
.btn-block { width: 100%; }

.ico { width: 18px; height: 18px; fill: currentColor; flex: none; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  font-weight: 650;
  font-size: .95rem;
  color: var(--rojo);
  margin-top: 6px;
}
.link-arrow span { transition: transform .2s ease; }
.link-arrow:hover span { transform: translateX(4px); }

/* ============================ Header ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-stuck {
  border-bottom-color: var(--linea);
  box-shadow: 0 8px 24px -20px rgba(20, 21, 26, .5);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--nav-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--carbon);
  flex: none;
}
.logo:hover { color: var(--carbon); }

/* Logo oficial tomado del documento (images/logo.svg) */
.logo-img {
  display: block;
  height: 42px;
  width: auto;
  flex: none;
}
.logo-img--footer { height: 46px; }

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav ul {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav a {
  color: var(--texto);
  font-size: .89rem;
  font-weight: 550;
  letter-spacing: .01em;
  padding: 6px 0;
  position: relative;
}
.nav ul a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--rojo);
  transition: width .22s ease;
}
.nav ul a:hover::after,
.nav ul a.is-active::after { width: 100%; }
.nav ul a:hover, .nav ul a.is-active { color: var(--carbon); }

.nav-cta { flex: none; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--linea);
  border-radius: 8px;
  cursor: pointer;
  place-items: center;
  align-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--carbon);
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================ Hero ============================ */
.hero {
  position: relative;
  background: var(--carbon);
  color: #fff;
  padding: 88px 0 0;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-shape {
  position: absolute;
  right: -12%;
  top: -22%;
  width: min(760px, 78vw);
  height: auto;
  opacity: .9;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 480px at 15% 0%, rgba(255, 255, 255, .07), transparent 70%),
    linear-gradient(180deg, rgba(27, 28, 32, 0) 55%, rgba(27, 28, 32, .92) 100%);
  z-index: -1;
  pointer-events: none;
}

.hero-inner { position: relative; max-width: 780px; }

.eyebrow {
  font-size: .72rem;
  font-weight: 650;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--rojo);
  margin: 0 0 18px;
}
.section-dark .eyebrow,
.hero .eyebrow { color: #ff6274; }

.hero-title {
  font-size: clamp(2.3rem, 6.1vw, 4.15rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: #fff;
  margin-bottom: 24px;
}
.hero-title .hl { color: var(--rojo-claro); }

.hero-lead {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255, 255, 255, .8);
  max-width: 600px;
  margin-bottom: 28px;
}
.hero-lead strong { color: #fff; font-weight: 700; }

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}
.hero-chips li {
  font-size: .74rem;
  font-weight: 650;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .9);
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  padding: 8px 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 76px;
}
.hero .btn-ghost { color: #fff; }
.hero .btn-ghost:hover { background: #fff; border-color: #fff; color: var(--carbon); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding-top: 30px;
  padding-bottom: 42px;
  gap: 20px;
  max-width: 520px;
}
.hero-stats li { display: flex; flex-direction: column; gap: 6px; }
.stat-num {
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
  line-height: 1;
}
.stat-label {
  font-size: .76rem;
  letter-spacing: .05em;
  color: rgba(255, 255, 255, .58);
  line-height: 1.4;
}

/* ============================ Secciones ============================ */
.section { padding: 96px 0; }
.section-alt { background: var(--fondo-alt); }
.section-dark { background: var(--carbon); color: rgba(255, 255, 255, .74); }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .section-sub { color: rgba(255, 255, 255, .66); }
.section-dark a { color: #ff6274; }

.section-head { max-width: 720px; margin-bottom: 52px; }
.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  font-weight: 780;
  letter-spacing: -.028em;
}
.section-sub {
  font-size: 1.03rem;
  color: var(--texto-suave);
  margin-top: 16px;
}
.lead { font-size: 1.06rem; color: var(--texto-suave); }
.text-red { color: var(--rojo); }

.grid-2 {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: start;
}
.grid-2.middle { align-items: center; }
.grid-2.gap-lg { gap: 48px; }
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.mt-lg { margin-top: 56px; }

/* ============================ Nosotros ============================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}
.pillars li {
  border: 1px solid var(--linea);
  border-radius: var(--radio-sm);
  padding: 20px 18px;
  background: #fff;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.pillars li:hover {
  border-color: rgba(228, 37, 58, .4);
  transform: translateY(-3px);
  box-shadow: var(--sombra);
}
.pillars li:nth-child(2) {
  background: var(--rojo);
  border-color: var(--rojo);
}
.pillars li:nth-child(2) h3 { color: #fff; }
.pillars li:nth-child(2) p { color: rgba(255, 255, 255, .9); }
.pillars li:nth-child(2) .pillar-num { color: rgba(255, 255, 255, .7); }

.pillar-num {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--rojo);
}
.pillars h3 {
  font-size: 1.02rem;
  margin: 10px 0 8px;
  letter-spacing: -.01em;
}
.pillars p { font-size: .88rem; color: var(--texto-suave); line-height: 1.5; margin: 0; }

.mvo {
  background: var(--fondo-alt);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 12px 26px;
}
.mvo article { padding: 22px 0; border-bottom: 1px solid var(--linea); }
.mvo article:last-child { border-bottom: 0; }
.mvo h3 {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rojo);
  margin-bottom: 10px;
}
.mvo p { font-size: .95rem; color: var(--texto-suave); margin: 0; }

/* ============================ Servicios ============================ */
.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 28px 24px 26px;
  position: relative;
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--rojo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sombra); border-color: rgba(228, 37, 58, .28); }
.card:hover::before { transform: scaleX(1); }

.card-ico {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(228, 37, 58, .09);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.card-ico svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--rojo);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card h3 { font-size: 1.06rem; margin-bottom: 8px; }
.card p { font-size: .9rem; color: var(--texto-suave); line-height: 1.55; margin: 0; }

.doing {
  margin-top: 26px;
  border-top: 1px solid var(--linea);
}
.doing-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--linea);
  align-items: start;
}
.doing-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--rojo);
  letter-spacing: -.02em;
  line-height: 1.1;
}
.doing-item h3 { font-size: 1.06rem; margin-bottom: 6px; }
.doing-item p { font-size: .94rem; color: var(--texto-suave); margin: 0; max-width: 740px; }

/* ============================ Equipamiento ============================ */
.feature {
  background: #fff;
  border: 1px solid var(--linea);
  border-left: 3px solid var(--rojo);
  border-radius: var(--radio-sm);
  padding: 30px 28px;
}
.feature h3 { font-size: 1.14rem; margin-bottom: 10px; }
.feature p { font-size: .95rem; color: var(--texto-suave); }

.ticks { margin-top: 18px; display: grid; gap: 9px; }
.ticks li {
  position: relative;
  padding-left: 26px;
  font-size: .9rem;
  color: var(--texto);
  line-height: 1.5;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: rgba(228, 37, 58, .12);
}
.ticks li::after {
  content: "";
  position: absolute;
  left: 4.5px;
  top: 10.5px;
  width: 6px;
  height: 3px;
  border-left: 1.8px solid var(--rojo);
  border-bottom: 1.8px solid var(--rojo);
  transform: rotate(-45deg);
}
.ticks-2 { grid-template-columns: 1fr 1fr; gap: 12px 28px; }

.callout {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-top: 26px;
  background: var(--fondo-alt);
  border-radius: var(--radio-sm);
  padding: 22px 24px;
  font-size: .95rem;
  color: var(--texto-suave);
}
.callout-bar {
  flex: none;
  width: 4px;
  align-self: stretch;
  min-height: 30px;
  background: var(--rojo);
  border-radius: 2px;
}
.callout strong { color: var(--carbon); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
  margin-top: 84px;
  padding-top: 76px;
  border-top: 1px solid var(--linea);
}
.split-text p { color: var(--texto-suave); font-size: .98rem; }
.split-text strong { color: var(--carbon); }

.chip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.chip-grid li {
  background: var(--carbon);
  color: rgba(255, 255, 255, .62);
  border-radius: var(--radio-sm);
  padding: 20px;
  font-size: .82rem;
  letter-spacing: .04em;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background-color .22s ease, transform .22s ease;
}
.chip-grid li:hover { background: var(--carbon-3); transform: translateY(-3px); }
.chip-grid li:nth-child(2),
.chip-grid li:nth-child(3) { background: var(--rojo); color: rgba(255, 255, 255, .82); }
.chip-grid li:nth-child(2):hover,
.chip-grid li:nth-child(3):hover { background: var(--rojo-osc); }
.chip-grid span {
  color: #fff;
  font-size: 1.02rem;
  font-weight: 750;
  letter-spacing: -.01em;
}

/* ============================ Proceso ============================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radio);
  overflow: hidden;
}
.steps li {
  background: var(--carbon);
  padding: 26px 24px 28px;
  position: relative;
  transition: background-color .22s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.steps li:hover { background: var(--carbon-2); }
.steps li.is-key { background: rgba(228, 37, 58, .14); }
.steps li.is-key:hover { background: rgba(228, 37, 58, .2); }

.step-tag {
  font-size: .66rem;
  font-weight: 650;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .48);
  order: -1;
}
.steps li.is-key .step-tag { color: #ff6274; }
.step-num {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--rojo);
  margin: 14px 0 8px;
  letter-spacing: .02em;
}
.steps h3 { font-size: 1.05rem; margin: 0 0 7px; }
.steps p { font-size: .875rem; color: rgba(255, 255, 255, .58); margin: 0; line-height: 1.5; }

/* ============================ Sustentabilidad ============================ */
.stat-card {
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 30px 26px;
  background: #fff;
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.stat-card:hover { border-color: rgba(228, 37, 58, .35); box-shadow: var(--sombra); transform: translateY(-3px); }
.stat-card .stat-num { color: var(--rojo); font-size: 2rem; }
.stat-card h3 { font-size: .98rem; margin: 14px 0 8px; }
.stat-card p { font-size: .885rem; color: var(--texto-suave); margin: 0; line-height: 1.55; }
.stat-card strong { color: var(--carbon); }

.mini-title {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--carbon);
  margin-bottom: 14px;
}
.mini-title.center { text-align: center; }
.sub-note { font-size: .92rem; color: var(--texto-suave); margin-bottom: 20px; }

.sources { display: grid; gap: 10px; }
.sources li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 4px 16px;
  align-items: center;
  background: var(--fondo-alt);
  border-radius: var(--radio-sm);
  padding: 15px 18px;
}
.src-code {
  grid-row: span 2;
  font-size: .78rem;
  font-weight: 750;
  color: #fff;
  background: var(--rojo);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  letter-spacing: .02em;
}
.sources strong { font-size: 1.05rem; color: var(--carbon); letter-spacing: -.01em; }
.sources span:last-child { font-size: .78rem; color: var(--texto-suave); letter-spacing: .03em; }

.water-steps { display: grid; gap: 14px; counter-reset: w; }
.water-steps li { display: flex; gap: 16px; align-items: flex-start; }
.ws-num {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--rojo);
  color: var(--rojo);
  font-size: .82rem;
  font-weight: 750;
  display: grid;
  place-items: center;
  margin-top: 2px;
}
.water-steps strong { font-size: .95rem; color: var(--carbon); display: block; }
.water-steps p { font-size: .875rem; color: var(--texto-suave); margin: 2px 0 0; }

.env-policy {
  margin-top: 56px;
  background: var(--fondo-alt);
  border-radius: var(--radio);
  padding: 34px 32px;
  border: 1px solid var(--linea);
}
.env-policy h3 {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--carbon);
  margin-bottom: 18px;
}

/* ============================ Logística ============================ */
.log-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.log-tags li {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--carbon);
  border: 1px solid var(--linea);
  background: #fff;
  border-radius: 999px;
  padding: 9px 18px;
}

.log-card {
  background: var(--carbon);
  color: rgba(255, 255, 255, .72);
  border-radius: var(--radio);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
}
.log-card::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(228, 37, 58, .35), transparent 70%);
}
.log-24 {
  display: block;
  font-size: 3.6rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: #fff;
  line-height: 1;
  margin-bottom: 16px;
}
.log-24 small { font-size: 1.1rem; font-weight: 600; letter-spacing: 0; color: var(--rojo-claro); }
.log-card p { font-size: .97rem; margin-bottom: 24px; position: relative; }
.log-card .btn-dark { background: var(--rojo); position: relative; }
.log-card .btn-dark:hover { background: var(--rojo-osc); }

.sectors { margin-top: 56px; text-align: center; }
.sectors ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.sectors li {
  font-size: .85rem;
  font-weight: 550;
  color: var(--texto-suave);
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: 999px;
  padding: 10px 20px;
  transition: color .18s ease, border-color .18s ease;
}
.sectors li:hover { color: var(--carbon); border-color: var(--rojo); }

/* ============================ FAQ ============================ */
.faq { border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 44px 22px 0;
  font-weight: 650;
  font-size: 1.02rem;
  color: var(--carbon);
  position: relative;
  transition: color .18s ease;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--rojo); }
.faq summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 30px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--rojo);
  border-bottom: 2px solid var(--rojo);
  transform: rotate(45deg);
  transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); top: 33px; }
.faq details p {
  padding: 0 44px 24px 0;
  color: var(--texto-suave);
  font-size: .95rem;
  margin: 0;
  animation: fadeIn .25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

/* ============================ Contacto ============================ */
.contact .section-sub { max-width: 460px; }
.contact-list {
  display: grid;
  gap: 0;
  margin: 34px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, .13);
}
.contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .13);
}
.cl-label {
  font-size: .68rem;
  font-weight: 650;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .42);
  min-width: 84px;
}
.contact-list a, .contact-list span:last-child {
  font-size: 1.06rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.01em;
}
.contact-list a:hover { color: var(--rojo-claro); }
.contact .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .35); }
.contact .btn-ghost:hover { background: #fff; color: var(--carbon); border-color: #fff; }

.contact-form-wrap {
  background: #fff;
  border-radius: var(--radio);
  padding: 34px 32px 30px;
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, .8);
}
.form-title { font-size: 1.12rem; margin-bottom: 20px; color: var(--carbon); }

.contact-form { display: grid; gap: 15px; }
.field { display: grid; gap: 7px; }
.field label {
  font-size: .74rem;
  font-weight: 650;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--texto-suave);
}
.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: .95rem;
  color: var(--texto);
  background: #fbfbfc;
  border: 1px solid var(--linea);
  border-radius: 8px;
  padding: 12px 14px;
  width: 100%;
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #cfd3d9; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--rojo);
  box-shadow: 0 0 0 3px rgba(228, 37, 58, .13);
}
.field input::placeholder, .field textarea::placeholder { color: #a9aeb6; }
.field input[aria-invalid="true"] { border-color: var(--rojo); background: rgba(228, 37, 58, .04); }

.form-note { font-size: .76rem; color: var(--texto-suave); text-align: center; margin: 2px 0 0; line-height: 1.5; }
.form-error { font-size: .82rem; color: var(--rojo-osc); font-weight: 600; margin: 0; }
.form-success {
  font-size: .86rem;
  color: #157347;
  background: #eaf7ef;
  border-radius: 8px;
  padding: 12px 14px;
  margin: 0;
}

/* ============================ Footer ============================ */
.site-footer {
  background: #141518;
  color: rgba(255, 255, 255, .56);
  padding: 68px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .07);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 40px;
  padding-bottom: 44px;
}
.site-footer .logo { color: #fff; }
.footer-brand p { font-size: .87rem; margin-top: 16px; max-width: 280px; line-height: 1.6; }

.footer-nav h3, .footer-contact h3 {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.footer-nav ul, .footer-contact ul { display: grid; gap: 10px; }
.footer-nav a, .footer-contact a {
  font-size: .87rem;
  color: rgba(255, 255, 255, .56);
}
.footer-nav a:hover, .footer-contact a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 22px;
  font-size: .78rem;
  color: rgba(255, 255, 255, .38);
}
.footer-bottom p { margin: 0; }

/* ============================ WhatsApp flotante ============================ */
.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px -10px rgba(37, 211, 102, .75);
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-float svg { width: 28px; height: 28px; fill: #fff; }
.wa-float:hover { transform: scale(1.06); box-shadow: 0 16px 32px -10px rgba(37, 211, 102, .9); }

/* ============================ Reveal ============================
   IMPORTANTE: el contenido es visible por defecto (opacity 1).
   Solo se oculta si <html> tiene .js-reveal, que agrega main.js cuando
   confirmó que IntersectionObserver funciona. Así, sin JavaScript o con
   el observer bloqueado, la página se ve completa igual.
   ================================================================= */
.reveal { opacity: 1; transform: none; }

html.js-reveal .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.22, .68, .37, 1);
  will-change: opacity, transform;
}
html.js-reveal .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js-reveal .reveal,
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn:hover, .card:hover, .pillars li:hover, .stat-card:hover, .chip-grid li:hover { transform: none; }
}

/* ============================ Responsive ============================ */
@media (max-width: 1080px) {
  .nav ul { gap: 18px; }
  .nav { gap: 18px; }
  .nav ul a { font-size: .84rem; }
  .cards-4 { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer-brand p { max-width: none; }
}

@media (max-width: 900px) {
  .nav-toggle { display: grid; }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--linea);
    box-shadow: 0 24px 40px -30px rgba(0, 0, 0, .6);
    padding: 12px 24px 26px;
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
  }
  .nav.is-open { display: flex; }

  .nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-bottom: 16px;
  }
  .nav ul li { border-bottom: 1px solid var(--linea); }
  .nav ul a {
    display: block;
    padding: 15px 2px;
    font-size: 1rem;
    font-weight: 600;
  }
  .nav ul a::after { display: none; }
  .nav-cta { width: 100%; padding: 14px 18px; font-size: .92rem; }

  .grid-2, .split { grid-template-columns: 1fr; gap: 36px; }
  .split { margin-top: 60px; padding-top: 52px; }
  .grid-2.middle { gap: 28px; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 24px 20px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .ticks-2 { grid-template-columns: 1fr; }
  .hero { padding-top: 62px; }
  .hero-shape { right: -34%; top: -10%; width: 118vw; opacity: .55; }
  .hero-actions { margin-bottom: 56px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 36px; }

  .hero-title { font-size: clamp(2rem, 9vw, 2.6rem); }
  .hero-chips li { font-size: .68rem; padding: 7px 13px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-lead { font-size: .98rem; }

  .pillars { grid-template-columns: 1fr; }
  .cards-4 { grid-template-columns: 1fr; }
  .chip-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .doing-item { grid-template-columns: 44px 1fr; gap: 14px; padding: 22px 0; }
  .doing-num { font-size: 1.25rem; }

  .log-card { padding: 32px 26px; }
  .log-24 { font-size: 3rem; }
  .env-policy { padding: 26px 22px; }
  .contact-form-wrap { padding: 26px 20px 24px; }
  .mvo { padding: 6px 20px; }
  .feature { padding: 24px 20px; }
  .callout { padding: 18px; gap: 14px; }

  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; }
  .wa-float { width: 50px; height: 50px; right: 14px; bottom: 14px; }
  .wa-float svg { width: 26px; height: 26px; }
}

@media (max-width: 400px) {
  .chip-grid { grid-template-columns: 1fr; }
  .logo-img { height: 36px; }
}