/* ==========================================================================
   Altasol Energía · Demo de Escoweb
   Paleta: verde petróleo profundo, blanco y amarillo solar como acento.
   ========================================================================== */

:root {
  --verde-950: #061a15;
  --verde-900: #0a231d;
  --verde-850: #0e2b24;
  --verde-800: #12352c;
  --verde-700: #1b4638;
  --verde-600: #1d6b52;
  --verde-500: #2f8a6c;

  --claro: #f5f6f2;
  --claro-2: #eceee8;
  --blanco: #ffffff;
  --linea-clara: #d9ddd5;
  --tinta: #0d1f1a;
  --tinta-2: #46554f;

  --texto-osc: #e8efeb;
  --texto-osc-2: #a9b8b1;
  --linea-osc: rgba(255, 255, 255, 0.12);

  --sol: #f4b81c;
  --sol-claro: #ffc93a;
  --wa: #138a48;
  --error: #b3261e;

  --foco: var(--sol);

  --f-titulo: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --f-texto: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --contenedor: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --radio: 14px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Base ---------- */

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--claro);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--f-titulo);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}

p { margin: 0; }

a { color: inherit; }

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

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

section[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

.container {
  width: 100%;
  max-width: calc(var(--contenedor) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono { font-family: var(--f-mono); }

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--sol);
  color: var(--verde-950);
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Franja de demostración ---------- */

.demo-bar {
  background: #fbf2d3;
  color: var(--tinta);
  border-bottom: 1px solid #ecdca4;
  font-size: 0.8rem;
  line-height: 1.45;
  text-align: center;
  padding: 8px var(--gutter);
  --foco: var(--verde-600);
}
.demo-bar a {
  font-weight: 600;
  color: var(--verde-700);
  white-space: nowrap;
  text-underline-offset: 3px;
}
.demo-bar a:hover { color: var(--verde-950); }

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-family: var(--f-texto);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--sol { background: var(--sol); color: var(--verde-950); }
.btn--sol:hover { background: var(--sol-claro); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.38);
  color: var(--blanco);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.6); }

.btn--dark { background: var(--verde-900); color: var(--blanco); }
.btn--dark:hover { background: var(--verde-700); }

.btn--wa { background: var(--wa); color: var(--blanco); }
.btn--wa:hover { background: #0f7a3f; }

.btn--sm { min-height: 40px; padding: 0 16px; font-size: 0.9rem; }
.btn--lg { min-height: 54px; padding: 0 26px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ---------- Encabezado ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 30, 24, 0.9);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--linea-osc);
  color: var(--blanco);
  transition: background-color 0.3s var(--ease);
}
.header.is-scrolled { background: rgba(6, 26, 21, 0.97); }

.header__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--blanco);
  margin-right: auto;
}
.logo__icon { width: 30px; height: 30px; color: var(--sol); flex-shrink: 0; }
.logo__text { display: flex; flex-direction: column; line-height: 1; }
.logo__name {
  font-family: var(--f-titulo);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}
.logo__tag {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--texto-osc-2);
  margin-top: 4px;
}

.nav { display: flex; align-items: center; }
.nav__list { display: flex; align-items: center; gap: 28px; }
.nav__list a {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--sol);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__list a:hover,
.nav__list a.is-active { color: var(--blanco); }
.nav__list a:hover::after,
.nav__list a.is-active::after { transform: scaleX(1); }

.nav__cta { display: none; }

.header__cta { margin-left: 12px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--linea-osc);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle__bar {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 15px; }
.nav-toggle__bar:nth-child(2) { top: 21px; }
.nav-toggle__bar:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1023px) {
  .nav-toggle { display: inline-block; }
  .header__cta { margin-left: 0; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 8px var(--gutter) 24px;
    background: var(--verde-950);
    border-bottom: 1px solid var(--linea-osc);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.35);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0s linear 0.25s;
  }
  .nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0s;
  }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list a {
    display: block;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--linea-osc);
  }
  .nav__list a::after { display: none; }
  .nav__list a.is-active { color: var(--sol); }
  .nav__cta { display: inline-flex; margin-top: 20px; }
}

@media (max-width: 359px) {
  .header__cta { display: none; }
}

/* ---------- Elementos comunes de sección ---------- */

.section { padding: clamp(72px, 10vw, 128px) 0; }

.section--light { background: var(--claro); color: var(--tinta); --foco: var(--verde-600); }
.section--dark { background: var(--verde-900); color: var(--texto-osc); }
.section--deep {
  background-color: var(--verde-950);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--texto-osc);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--f-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde-600);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}
.eyebrow--light { color: var(--sol); }

.section-title {
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  max-width: 20ch;
}

.section-lead {
  margin-top: 18px;
  font-size: 1.06rem;
  color: var(--tinta-2);
  max-width: 52ch;
}
.section--dark .section-lead,
.section--deep .section-lead { color: var(--texto-osc-2); }

.section-head { margin-bottom: clamp(40px, 6vw, 64px); }
.section-head--split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: end;
  gap: 24px 64px;
}
.section-head--split .section-lead { margin-top: 0; }

.tag {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 10px;
  border: 1px solid #c3cbc2;
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--verde-700);
}

/* ---------- 1. Hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-height: min(calc(100svh - var(--header-h) - 34px), 860px);
  color: var(--blanco);
  background: var(--verde-950);
  overflow: hidden;
}

.hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(6, 26, 21, 0.94) 0%, rgba(6, 26, 21, 0.82) 38%, rgba(6, 26, 21, 0.35) 72%, rgba(6, 26, 21, 0.25) 100%),
    linear-gradient(0deg, rgba(6, 26, 21, 0.85) 0%, rgba(6, 26, 21, 0) 30%);
}

.hero__inner {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
  padding-top: clamp(56px, 9vw, 112px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.hero__content { max-width: 640px; }

.hero .eyebrow::before { display: none; }
.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sol);
  box-shadow: 0 0 0 4px rgba(244, 184, 28, 0.2);
}

.hero__title {
  font-size: clamp(2.4rem, 5.6vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.hero__lead {
  margin-top: 24px;
  font-size: clamp(1.02rem, 1.4vw, 1.15rem);
  color: rgba(255, 255, 255, 0.84);
  max-width: 54ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

/* Panel de monitoreo ilustrativo */
.monitor {
  width: 300px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radio);
  background: rgba(6, 26, 21, 0.62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  align-self: end;
  font-size: 0.85rem;
}
.monitor__head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--texto-osc-2);
}
.monitor__live {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
}
.monitor__flag {
  margin-left: auto;
  padding: 2px 7px;
  border: 1px solid rgba(244, 184, 28, 0.5);
  border-radius: 999px;
  color: var(--sol);
  font-size: 0.62rem;
}
.monitor__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 18px 0 14px;
}
.monitor__label {
  display: block;
  font-size: 0.75rem;
  color: var(--texto-osc-2);
}
.monitor__value {
  display: block;
  font-family: var(--f-mono);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--blanco);
  letter-spacing: -0.02em;
}
.monitor__value small { font-size: 0.8rem; color: var(--texto-osc-2); }
.monitor__chart { width: 100%; height: 80px; display: block; }
.monitor__chart path { vector-effect: non-scaling-stroke; }
.monitor__grid path { stroke: rgba(255, 255, 255, 0.1); stroke-width: 1; stroke-dasharray: 2 4; }
.monitor__axis {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  color: var(--texto-osc-2);
}
.monitor__note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--linea-osc);
  font-size: 0.75rem;
  color: var(--texto-osc-2);
}

.hero__specs {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(6, 26, 21, 0.6);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.hero__specs-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero__specs-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 18px 20px 18px 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.86);
}
.hero__specs-list li + li { padding-left: 20px; border-left: 1px solid rgba(255, 255, 255, 0.12); }
.hero__specs-list .mono { font-size: 0.72rem; color: var(--sol); }

@media (max-width: 1023px) {
  .monitor { display: none; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__specs-list { grid-template-columns: repeat(2, 1fr); }
  .hero__specs-list li:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero__specs-list li:nth-child(n + 3) { border-top: 1px solid rgba(255, 255, 255, 0.12); }
}

@media (max-width: 640px) {
  .hero__shade {
    background:
      linear-gradient(180deg, rgba(6, 26, 21, 0.72) 0%, rgba(6, 26, 21, 0.86) 55%, rgba(6, 26, 21, 0.95) 100%);
  }
  .hero__img { object-position: 20% center; }
  .hero__actions .btn { width: 100%; }
  .hero__specs-list li { font-size: 0.82rem; padding-top: 14px; padding-bottom: 14px; padding-right: 10px; }
  .hero__specs-list li + li { padding-left: 12px; }
  .hero__specs-list li:nth-child(3) { padding-left: 0; }
}

/* ---------- 2. Beneficios ---------- */

.benefits {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}

.benefits__intro {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}

.bill {
  margin: 36px 0 0;
  padding: 22px;
  background: var(--blanco);
  border: 1px solid var(--linea-clara);
  border-radius: var(--radio);
  box-shadow: 0 1px 0 rgba(13, 31, 26, 0.04), 0 18px 40px -24px rgba(13, 31, 26, 0.25);
}
.bill__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px dashed var(--linea-clara);
  font-family: var(--f-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tinta-2);
}
.bill__flag {
  padding: 2px 8px;
  border-radius: 999px;
  background: #fbf2d3;
  color: #6b4e00;
  font-size: 0.64rem;
}
.bill__row + .bill__row { margin-top: 16px; }
.bill__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.86rem;
  margin-bottom: 8px;
}
.bill__meta .mono { font-weight: 500; white-space: nowrap; }
.bill__track {
  height: 10px;
  border-radius: 999px;
  background: var(--claro-2);
  overflow: hidden;
}
.bill__bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  transition: width 1.2s var(--ease) 0.2s;
}
.bill__bar--before { width: 100%; background: var(--verde-700); }
.bill__bar--after { width: 14%; background: var(--sol); }
.js .bill:not(.is-visible) .bill__bar { width: 0; }
.bill__note { margin-top: 18px; font-size: 0.8rem; color: var(--tinta-2); }

.benefits__list { counter-reset: none; }
.benefit {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px;
  padding: 30px 0;
  border-top: 1px solid var(--linea-clara);
  transition: border-color 0.3s var(--ease);
}
.benefit:last-child { border-bottom: 1px solid var(--linea-clara); }
.benefit:hover { border-top-color: var(--verde-600); }
.benefit__num {
  font-size: 0.85rem;
  color: var(--verde-600);
  padding-top: 4px;
  transition: color 0.3s var(--ease);
}
.benefit:hover .benefit__num { color: #9a6c00; }
.benefit__title { font-size: clamp(1.2rem, 2vw, 1.45rem); margin-bottom: 10px; }
.benefit p { color: var(--tinta-2); max-width: 58ch; }

@media (max-width: 900px) {
  .benefits { grid-template-columns: 1fr; }
  .benefits__intro { position: static; }
}
@media (max-width: 480px) {
  .benefit { grid-template-columns: 1fr; gap: 6px; padding: 26px 0; }
}

/* ---------- 3. Servicios ---------- */

.services {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  grid-template-rows: 320px 320px;
  gap: 16px;
}

.service {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--linea-osc);
  background: var(--verde-850);
}
.service img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.service::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(6, 26, 21, 0.05) 15%, rgba(6, 26, 21, 0.62) 50%, rgba(6, 26, 21, 0.95) 100%);
}
.service:hover img { transform: scale(1.04); }

.service--residencial { grid-column: 1; grid-row: 1 / span 2; }
.service--residencial img { object-position: 75% 60%; }
.service--comercial { grid-column: 2 / span 2; grid-row: 1; }
.service--agro { grid-column: 2; grid-row: 2; }
.service--mant { grid-column: 3; grid-row: 2; }
.service--mant img { object-position: 30% center; }

.service__body { padding: 24px; }
.service__num {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sol);
  margin-bottom: 10px;
}
.service__title { font-size: clamp(1.25rem, 2vw, 1.6rem); color: var(--blanco); }
.service p { margin-top: 10px; font-size: 0.93rem; color: rgba(255, 255, 255, 0.82); max-width: 46ch; }
.service--residencial .service__title { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.service__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.service__specs li {
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(6, 26, 21, 0.35);
}

@media (max-width: 1023px) {
  .services { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .service--residencial { grid-column: 1 / span 2; grid-row: auto; min-height: 420px; }
  .service--comercial { grid-column: 1 / span 2; grid-row: auto; min-height: 340px; }
  .service--agro,
  .service--mant { grid-column: auto; grid-row: auto; min-height: 360px; }
}

@media (max-width: 640px) {
  .services { grid-template-columns: 1fr; }
  .service--residencial,
  .service--comercial,
  .service--agro,
  .service--mant { grid-column: auto; min-height: 0; }
  .service img { position: static; aspect-ratio: 16 / 10; height: auto; }
  .service::after { display: none; }
  .service__body { padding: 20px; }
}

/* ---------- 4. Proyectos ---------- */

.notice {
  padding: 14px 18px;
  background: var(--blanco);
  border: 1px solid var(--linea-clara);
  border-left: 3px solid var(--sol);
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--tinta-2);
}
.notice strong { color: var(--tinta); }

.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--blanco);
  border: 1px solid var(--linea-clara);
  border-radius: 16px;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.project:hover { box-shadow: 0 24px 48px -28px rgba(13, 31, 26, 0.35); transform: translateY(-2px); }

.project__media { position: relative; overflow: hidden; }
.project__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.9s var(--ease); }
.project:hover .project__media img { transform: scale(1.03); }

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(6, 26, 21, 0.88);
  color: var(--blanco);
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sol);
}

.project__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.project__type {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--verde-600);
  margin-bottom: 8px;
}
.project__title { font-size: 1.2rem; line-height: 1.2; }
.project__desc { margin-top: 12px; color: var(--tinta-2); font-size: 0.95rem; }

.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 18px;
  margin: 18px 0 0;
}
.specs div { padding: 10px 0; border-top: 1px solid var(--claro-2); }
.specs dt {
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tinta-2);
}
.specs dd {
  margin: 3px 0 0;
  font-family: var(--f-titulo);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--tinta);
}
.specs__note {
  margin-top: auto;
  padding-top: 10px;
  font-size: 0.76rem;
  color: var(--tinta-2);
}

.project--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
}
.project--featured .project__media img { height: 100%; aspect-ratio: auto; min-height: 360px; }
.project--featured .project__body { padding: clamp(24px, 3.5vw, 44px); justify-content: center; }
.project--featured .project__title { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.project--featured .specs dd { font-size: 1.25rem; }
.project--featured .specs__note { margin-top: 12px; }

@media (max-width: 1023px) {
  .projects { grid-template-columns: 1fr 1fr; }
  .project--featured { grid-column: auto; display: flex; }
  .project--featured .project__media img { height: auto; aspect-ratio: 4 / 3; min-height: 0; }
  .project--featured .project__body { padding: 22px; justify-content: flex-start; }
  .project--featured .project__title { font-size: 1.2rem; }
  .project--featured .specs dd { font-size: 1.02rem; }
}

@media (max-width: 640px) {
  .projects { grid-template-columns: 1fr; }
}

/* ---------- 5. Proceso ---------- */

.process {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(40px, 7vw, 96px);
  align-items: start;
}

.process__aside {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}

.process__photos {
  position: relative;
  margin-top: 40px;
  padding-bottom: 56px;
}
.process__photo { border-radius: 12px; object-fit: cover; }
.process__photo--main { width: 86%; aspect-ratio: 4 / 3; }
.process__photo--small {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 46%;
  aspect-ratio: 4 / 3;
  border: 6px solid var(--verde-900);
  border-radius: 14px;
}

.steps { position: relative; }
.step {
  position: relative;
  padding: 0 0 44px 52px;
}
.step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--sol);
  background: var(--verde-900);
  z-index: 1;
}
.step::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 20px;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.18);
}
.step:last-child { padding-bottom: 0; }
.step:last-child::after { display: none; }

.step__num {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sol);
  margin-bottom: 8px;
}
.step__title { font-size: clamp(1.25rem, 2vw, 1.5rem); color: var(--blanco); margin-bottom: 10px; }
.step p { color: var(--texto-osc-2); max-width: 56ch; }
.step__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  margin-top: 20px;
}
.step .step__meta {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--texto-osc);
  padding: 4px 10px;
  border: 1px solid var(--linea-osc);
  border-radius: 6px;
}

@media (max-width: 900px) {
  .process { grid-template-columns: 1fr; }
  .process__aside { position: static; }
  .process__photos { max-width: 560px; }
}

/* ---------- 6. Preguntas frecuentes ---------- */

.faq {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
.faq__intro .btn { margin-top: 28px; }

.faq__item { border-top: 1px solid var(--linea-clara); }
.faq__item:last-child { border-bottom: 1px solid var(--linea-clara); }

.faq__item summary {
  position: relative;
  display: block;
  padding: 22px 48px 22px 0;
  font-family: var(--f-titulo);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::marker { content: ""; }
.faq__item summary:hover { color: var(--verde-600); }

.faq__item summary::before,
.faq__item summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 16px;
  height: 2px;
  background: var(--verde-600);
  transition: transform 0.3s var(--ease);
}
.faq__item summary::after { transform: rotate(90deg); }
.faq__item[open] summary::after { transform: rotate(0deg); }

.faq__answer { padding: 0 48px 24px 0; }
.faq__answer p { color: var(--tinta-2); max-width: 62ch; }

@media (max-width: 900px) {
  .faq { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .faq__answer { padding-right: 0; }
}

/* ---------- 7. Cotización ---------- */

.quote {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.estimate {
  margin-top: 40px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radio);
  background: rgba(255, 255, 255, 0.03);
}
.estimate__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sol);
}
.estimate__flag {
  padding: 3px 9px;
  border: 1px solid rgba(244, 184, 28, 0.5);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 0.64rem;
}
.estimate__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0 16px;
  padding: 18px 0;
  border-top: 1px solid var(--linea-osc);
  border-bottom: 1px solid var(--linea-osc);
}
.estimate__label { display: block; font-size: 0.8rem; color: var(--texto-osc-2); }
.estimate__value {
  display: block;
  margin-top: 4px;
  font-family: var(--f-mono);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 500;
  color: var(--blanco);
  letter-spacing: -0.02em;
}
.estimate__note { font-size: 0.82rem; color: var(--texto-osc-2); }

.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 16px;
  padding: clamp(22px, 4vw, 36px);
  background: var(--claro);
  color: var(--tinta);
  border-radius: 18px;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.6);
  --foco: var(--verde-600);
}

.field { grid-column: 1 / -1; display: flex; flex-direction: column; }
.field--half { grid-column: span 1; }

.field label {
  margin-bottom: 7px;
  font-size: 0.86rem;
  font-weight: 600;
}
.field__optional { font-weight: 400; color: var(--tinta-2); }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid #c7cec5;
  border-radius: 10px;
  background: var(--blanco);
  color: var(--tinta);
  font-family: var(--f-texto);
  font-size: 1rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { padding: 12px 14px; min-height: 112px; resize: vertical; line-height: 1.5; }
.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%231d6b52' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}
.field input::placeholder,
.field textarea::placeholder { color: #7b8782; }

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: #9fab9f; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--verde-600);
  box-shadow: 0 0 0 3px rgba(244, 184, 28, 0.5);
}

.field [aria-invalid="true"] { border-color: var(--error); }
.field__error {
  min-height: 0;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--error);
}
.field__error:empty { display: none; }

.form .btn--block { grid-column: 1 / -1; margin-top: 6px; }
.form__privacy {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  color: var(--tinta-2);
  text-align: center;
}
.form__status {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  color: var(--verde-700);
  text-align: center;
}
.form__status:empty { display: none; }
.form__status a { font-weight: 600; }

@media (max-width: 900px) {
  .quote { grid-template-columns: 1fr; }
  .estimate { margin-top: 32px; }
}
@media (max-width: 480px) {
  .form { grid-template-columns: 1fr; }
  .field--half { grid-column: 1 / -1; }
}

/* ---------- 8. Contacto ---------- */

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.contact__list { margin: 32px 0 32px; }
.contact__list li {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--linea-clara);
}
.contact__list li:last-child { border-bottom: 1px solid var(--linea-clara); }
.contact__label {
  padding-top: 3px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tinta-2);
}
.contact__list a { text-decoration: none; font-weight: 500; overflow-wrap: anywhere; }
.contact__list a:hover { color: var(--verde-600); text-decoration: underline; text-underline-offset: 3px; }

.contact__map iframe {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--linea-clara);
  border-radius: 16px;
  background: var(--claro-2);
  filter: grayscale(0.35) contrast(1.05);
}
.contact__map-note {
  margin-top: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--tinta-2);
}

@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; }
}
@media (max-width: 400px) {
  .contact__list li { grid-template-columns: 1fr; gap: 2px; }
  .contact .btn { width: 100%; }
}

/* ---------- Pie de página ---------- */

.footer {
  background: var(--verde-950);
  color: var(--texto-osc-2);
  padding-top: clamp(56px, 8vw, 80px);
  font-size: 0.92rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.logo--footer { margin-bottom: 16px; }
.footer__brand p { max-width: 36ch; }
.footer__heading {
  margin-bottom: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sol);
}
.footer__nav li,
.footer__contact li { padding: 4px 0; overflow-wrap: anywhere; }
.footer__nav a { text-decoration: none; }
.footer__nav a:hover { color: var(--blanco); text-decoration: underline; text-underline-offset: 3px; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 22px;
  padding-bottom: 28px;
  border-top: 1px solid var(--linea-osc);
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bottom { padding-bottom: 96px; }
}

/* ---------- Botón flotante de WhatsApp ---------- */

.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #1faa59;
  color: var(--blanco);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease);
}
.wa-float svg { width: 30px; height: 30px; }
.wa-float:hover { transform: translateY(-3px); background: #17944c; }

@media (max-width: 480px) {
  .wa-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
}

/* ---------- Animaciones de aparición ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .service:hover img,
  .project:hover .project__media img { transform: none; }
}