/* ==========================================================================
   E&G Soluciones Constructivas SpA — Hoja de estilos
   Identidad: negro dominante, grafito para profundidad, dorado como acento
   ========================================================================== */

:root {
  --negro: #050505;
  --negro-2: #111111;
  --negro-3: #161616;
  --grafito: #414141;
  --gris: #595959;
  --dorado: #E5B33F;
  --dorado-claro: #F4D36E;
  --blanco: #F5F5F5;
  --gris-texto: #b8b8b8;
  --borde: #262626;
  --gradiente-dorado: linear-gradient(120deg, #F4D36E 0%, #E5B33F 55%, #c9973a 100%);
  --sombra-dorada: 0 8px 30px rgba(229, 179, 63, 0.18);
  --radio: 10px;
  --header-h: 78px;
  --font-titulos: "Archivo", sans-serif;
  --font-texto: "Manrope", sans-serif;
}

/* ---------- Reset y base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-texto);
  background-color: var(--negro);
  color: var(--gris-texto);
  line-height: 1.7;
  font-size: 1rem;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

::selection { background: var(--dorado); color: var(--negro); }

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

section { scroll-margin-top: calc(var(--header-h) + 10px); }

/* ---------- Tipografía ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-titulos);
  color: var(--blanco);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.text-gold {
  background: var(--gradiente-dorado);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.section--alt { background-color: var(--negro-2); }

.section__kicker {
  font-family: var(--font-titulos);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.section__kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--gradiente-dorado);
  flex-shrink: 0;
}

.section__title {
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  font-weight: 800;
  max-width: 720px;
  margin-bottom: 1.4rem;
}

.section__lead { max-width: 640px; font-size: 1.06rem; margin-bottom: 2.6rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.95rem 1.9rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}

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

.btn--gold {
  background: var(--gradiente-dorado);
  color: #0a0a0a;
  box-shadow: 0 4px 18px rgba(229, 179, 63, 0.22);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--sombra-dorada);
  filter: brightness(1.06);
}

.btn--outline {
  border-color: var(--grafito);
  color: var(--blanco);
  background: rgba(245, 245, 245, 0.03);
}

.btn--outline:hover {
  border-color: var(--dorado);
  color: var(--dorado-claro);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background: transparent;
  border-color: var(--dorado);
  color: var(--dorado-claro);
}

.btn--whatsapp:hover {
  background: rgba(229, 179, 63, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--sombra-dorada);
}

.btn--lg { padding: 1.1rem 2.3rem; font-size: 1rem; }
.btn--sm { padding: 0.62rem 1.25rem; font-size: 0.85rem; }

/* ==========================================================================
   A. ENCABEZADO
   ========================================================================== */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  transition: background-color 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--borde);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}

.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header__brand { display: flex; align-items: center; gap: 0.8rem; flex-shrink: 0; }
.header__logo { width: 46px; height: 46px; object-fit: contain; }

.header__brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.header__brand-text strong {
  font-family: var(--font-titulos);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--blanco);
  letter-spacing: 0.04em;
}
.header__brand-text small {
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dorado);
}

.nav { display: none; }

.nav__list { display: flex; align-items: center; gap: 1.9rem; }

.nav__link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gris-texto);
  padding: 0.35rem 0;
  transition: color 0.25s ease;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gradiente-dorado);
  transition: width 0.3s ease;
}

.nav__link:hover, .nav__link.is-active { color: var(--blanco); }
.nav__link:hover::after, .nav__link.is-active::after { width: 100%; }

.nav__cta { display: none; }

.header__actions { display: flex; align-items: center; gap: 0.9rem; }
.header__cta { display: none; }

/* Botón hamburguesa */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  border: 1px solid var(--grafito);
  border-radius: 6px;
  transition: border-color 0.25s ease;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--blanco);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle:hover { border-color: var(--dorado); }

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   B. HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 5rem;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("../img/hero.jpg") center 30% / cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 14s ease-out forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.1); }
  to { transform: scale(1.02); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(5, 5, 5, 0.96) 12%, rgba(5, 5, 5, 0.78) 48%, rgba(5, 5, 5, 0.42) 100%),
    linear-gradient(to top, var(--negro) 0%, transparent 26%);
}

.hero__content { max-width: 760px; }

.hero__kicker {
  font-family: var(--font-titulos);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 1.4rem;
}

.hero__title {
  font-size: clamp(2.1rem, 5.6vw, 3.9rem);
  font-weight: 800;
  margin-bottom: 1.3rem;
  max-width: 700px;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: #d6d6d6;
  max-width: 600px;
  margin-bottom: 2.2rem;
}

.hero__buttons { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.4rem; }

.hero__tagline {
  font-size: 0.92rem;
  color: #9d9d9d;
  border-left: 2px solid var(--dorado);
  padding-left: 1rem;
  max-width: 520px;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 44px;
  border: 2px solid var(--grafito);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  transition: border-color 0.3s ease;
}

.hero__scroll:hover { border-color: var(--dorado); }

.hero__scroll-line {
  width: 3px; height: 9px;
  border-radius: 3px;
  background: var(--dorado);
  animation: scrollHint 1.8s ease-in-out infinite;
}

@keyframes scrollHint {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.35; }
}

/* ==========================================================================
   C. INDICADORES / CIFRAS
   ========================================================================== */
.stats {
  background: var(--negro-2);
  border-block: 1px solid var(--borde);
  padding: clamp(2.6rem, 5vw, 4rem) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2.2rem 1.4rem;
  text-align: center;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 0.8rem;
  position: relative;
}

.stat:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -0.7rem;
  top: 12%;
  height: 76%;
  width: 1px;
  background: var(--borde);
}

.stat__number {
  font-family: var(--font-titulos);
  font-size: clamp(2.3rem, 4.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
  background: var(--gradiente-dorado);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.stat__number--text { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }

.stat__plus { -webkit-text-fill-color: transparent; }

.stat__label {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #a8a8a8;
}

/* ==========================================================================
   D. SOBRE LA EMPRESA
   ========================================================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.about__media {
  position: relative;
  border-radius: var(--radio);
  overflow: hidden;
  border: 1px solid var(--borde);
}

.about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3.4;
  transition: transform 0.6s ease;
}

.about__media:hover img { transform: scale(1.03); }

.about__media-badge {
  position: absolute;
  left: 1.2rem; bottom: 1.2rem;
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid var(--borde);
  border-left: 3px solid var(--dorado);
  border-radius: 6px;
  padding: 0.75rem 1.2rem;
  font-family: var(--font-titulos);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blanco);
}

.about__media-badge .text-gold { font-weight: 800; }

.about__content p + p { margin-top: 1.1rem; }

.about__badges {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.about__badges li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.94rem;
  font-weight: 600;
  color: #d0d0d0;
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 0.85rem 1.1rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.about__badges li:hover { border-color: var(--dorado); transform: translateX(4px); }

.about__badges svg {
  width: 26px; height: 26px;
  color: var(--dorado);
  flex-shrink: 0;
}

/* ==========================================================================
   E. SERVICIOS
   ========================================================================== */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

.service-card {
  position: relative;
  background: var(--negro);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 2rem 1.7rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gradiente-dorado);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(229, 179, 63, 0.45);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 58px; height: 58px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(229, 179, 63, 0.08);
  border: 1px solid rgba(229, 179, 63, 0.25);
  color: var(--dorado);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.service-card__icon svg { width: 30px; height: 30px; }

.service-card:hover .service-card__icon {
  background: var(--gradiente-dorado);
  color: #0a0a0a;
}

.service-card h3 { font-size: 1.14rem; font-weight: 700; }

.service-card p { font-size: 0.92rem; flex-grow: 1; }

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-titulos);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--dorado);
  margin-top: 0.4rem;
  transition: gap 0.25s ease, color 0.25s ease;
}

.service-card__link:hover { gap: 0.8rem; color: var(--dorado-claro); }

/* ==========================================================================
   F. POR QUÉ ELEGIR E&G
   ========================================================================== */
.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin-top: 1rem;
}

.why-card {
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.8rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.why-card:hover { transform: translateY(-4px); border-color: rgba(229, 179, 63, 0.4); }

.why-card svg { width: 34px; height: 34px; color: var(--dorado); }
.why-card h3 { font-size: 1.05rem; font-weight: 700; }
.why-card p { font-size: 0.9rem; }

/* ==========================================================================
   G. PROYECTOS
   ========================================================================== */
.projects__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.2rem;
}

.filter-btn {
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font-titulos);
  letter-spacing: 0.03em;
  color: #b5b5b5;
  border: 1px solid var(--grafito);
  border-radius: 100px;
  padding: 0.5rem 1.1rem;
  transition: all 0.25s ease;
}

.filter-btn:hover { border-color: var(--dorado); color: var(--dorado-claro); }

.filter-btn.is-active {
  background: var(--gradiente-dorado);
  border-color: transparent;
  color: #0a0a0a;
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}

.project-card {
  background: var(--negro);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(229, 179, 63, 0.45);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.project-card.is-hidden { display: none; }

.project-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-card__media img { transform: scale(1.06); }

.project-card__cat {
  position: absolute;
  top: 1rem; left: 1rem;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(229, 179, 63, 0.4);
  color: var(--dorado-claro);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-titulos);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: 100px;
}

.project-card__demo {
  position: absolute;
  bottom: 1rem; right: 1rem;
  background: rgba(5, 5, 5, 0.75);
  color: #9a9a9a;
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.7rem;
  border-radius: 100px;
  border: 1px solid var(--borde);
}

.project-card__body {
  padding: 1.5rem 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex-grow: 1;
}

.project-card__body h3 { font-size: 1.08rem; font-weight: 700; }

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  font-size: 0.8rem;
  color: #9a9a9a;
}

.project-card__meta span { display: inline-flex; align-items: center; gap: 0.35rem; }
.project-card__meta svg { width: 14px; height: 14px; color: var(--dorado); }

.project-card__desc { font-size: 0.89rem; flex-grow: 1; }

.project-card__btn {
  align-self: flex-start;
  margin-top: 0.5rem;
  font-family: var(--font-titulos);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--dorado);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease, gap 0.25s ease;
}

.project-card__btn:hover { color: var(--dorado-claro); border-bottom-color: var(--dorado); gap: 0.75rem; }

.projects__disclaimer {
  margin-top: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  color: #8f8f8f;
  text-align: center;
}

.projects__disclaimer svg { width: 20px; height: 20px; color: var(--dorado); flex-shrink: 0; }

/* ---------- Modal de proyecto ---------- */
.project-modal, .legal-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.project-modal[hidden], .legal-modal[hidden] { display: none; }

.project-modal__backdrop, .legal-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(6px);
}

.project-modal__panel {
  position: relative;
  width: min(880px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--negro-2);
  border: 1px solid var(--borde);
  border-radius: 14px;
  display: grid;
  grid-template-columns: 1fr;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.project-modal__close, .legal-modal__close {
  position: absolute;
  top: 0.9rem; right: 0.9rem;
  z-index: 2;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(5, 5, 5, 0.75);
  border: 1px solid var(--grafito);
  color: var(--blanco);
  transition: border-color 0.25s ease, color 0.25s ease;
}

.project-modal__close:hover, .legal-modal__close:hover { border-color: var(--dorado); color: var(--dorado); }
.project-modal__close svg, .legal-modal__close svg { width: 18px; height: 18px; }

.project-modal__media { aspect-ratio: 16 / 9; overflow: hidden; }
.project-modal__media img { width: 100%; height: 100%; object-fit: cover; }

.project-modal__body { padding: 1.8rem; display: flex; flex-direction: column; gap: 1.1rem; }

.project-modal__demo {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9a9a9a;
  border: 1px solid var(--grafito);
  padding: 0.28rem 0.75rem;
  border-radius: 100px;
}

.project-modal__body h3 { font-size: 1.45rem; }

.project-modal__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.project-modal__meta div {
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-left: 3px solid var(--dorado);
  border-radius: 6px;
  padding: 0.7rem 1rem;
}

.project-modal__meta dt {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 0.2rem;
}

.project-modal__meta dd { font-size: 0.9rem; color: var(--blanco); }

.project-modal__body .btn { align-self: flex-start; }

/* ==========================================================================
   H. SECTORES PÚBLICO Y PRIVADO
   ========================================================================== */
.sectors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-top: 0.8rem;
}

.sector-card {
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: var(--negro-2);
  padding: 2.1rem 2rem;
  position: relative;
  overflow: hidden;
}

.sector-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradiente-dorado);
}

.sector-card header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.sector-card header svg { width: 34px; height: 34px; color: var(--dorado); flex-shrink: 0; }
.sector-card h3 { font-size: 1.3rem; }

.sector-card ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.sector-card li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.94rem;
  color: #cfcfcf;
}

.sector-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--gradiente-dorado);
  transform: rotate(45deg);
}

.sectors__note {
  margin-top: 2.4rem;
  max-width: 780px;
  font-size: 0.98rem;
  color: #a8a8a8;
  border-left: 2px solid var(--dorado);
  padding-left: 1.1rem;
}

/* ==========================================================================
   I. SEGURIDAD, CALIDAD E INTEGRIDAD
   ========================================================================== */
.safety__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
  align-items: center;
}

.safety__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.safety__chips li {
  font-size: 0.88rem;
  font-weight: 600;
  color: #d6d6d6;
  background: var(--negro);
  border: 1px solid var(--borde);
  border-radius: 100px;
  padding: 0.6rem 1.15rem;
  transition: border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.safety__chips li:hover {
  border-color: var(--dorado);
  color: var(--dorado-claro);
  transform: translateY(-2px);
}

/* ==========================================================================
   J. LLAMADO A LA ACCIÓN
   ========================================================================== */
.cta {
  position: relative;
  background:
    linear-gradient(rgba(5, 5, 5, 0.9), rgba(5, 5, 5, 0.94)),
    url("../img/hero.jpg") center 65% / cover no-repeat fixed;
  text-align: center;
}

.cta__title {
  font-size: clamp(1.8rem, 4.4vw, 2.9rem);
  font-weight: 800;
  max-width: 720px;
  margin: 0 auto 1.2rem;
}

.cta__text {
  max-width: 560px;
  margin: 0 auto 2.4rem;
  font-size: 1.05rem;
  color: #c9c9c9;
}

.cta__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ==========================================================================
   K. CONTACTO Y FORMULARIO
   ========================================================================== */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact__list {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact__list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact__list svg {
  width: 24px; height: 24px;
  color: var(--dorado);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.contact__list strong {
  display: block;
  font-family: var(--font-titulos);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8f8f8f;
  margin-bottom: 0.2rem;
}

.contact__list a { color: var(--blanco); transition: color 0.25s ease; word-break: break-word; }
.contact__list a:hover { color: var(--dorado-claro); }
.contact__list span { color: #cfcfcf; }

/* ---------- Formulario ---------- */
.contact__form-wrap {
  background: var(--negro);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: clamp(1.4rem, 3.5vw, 2.4rem);
  position: relative;
}

.form { display: flex; flex-direction: column; gap: 1.15rem; }

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

.form__field { display: flex; flex-direction: column; gap: 0.42rem; }

.form__field label {
  font-size: 0.83rem;
  font-weight: 700;
  font-family: var(--font-titulos);
  letter-spacing: 0.04em;
  color: #d0d0d0;
}

.form__field label span { color: var(--dorado); }
.form__field label small { color: #8a8a8a; font-weight: 500; }

.form__field input,
.form__field select,
.form__field textarea {
  font-family: var(--font-texto);
  font-size: 0.95rem;
  color: var(--blanco);
  background: var(--negro-3);
  border: 1px solid var(--borde);
  border-radius: 7px;
  padding: 0.85rem 1rem;
  width: 100%;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--dorado);
  box-shadow: 0 0 0 3px rgba(229, 179, 63, 0.14);
}

.form__field input::placeholder,
.form__field textarea::placeholder { color: #6e6e6e; }

.form__field select {
  appearance: none;
  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 1l5 5 5-5' fill='none' stroke='%23E5B33F' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.6rem;
}

.form__field input[type="file"] {
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  color: #9a9a9a;
}

.form__field input[type="file"]::file-selector-button {
  font-family: var(--font-titulos);
  font-size: 0.8rem;
  font-weight: 700;
  color: #0a0a0a;
  background: var(--gradiente-dorado);
  border: none;
  border-radius: 5px;
  padding: 0.5rem 0.95rem;
  margin-right: 0.9rem;
  cursor: pointer;
}

.form__field input[type="month"] { color-scheme: dark; }

.form__hint { font-size: 0.76rem; color: #7d7d7d; }

.form__check {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.86rem;
}

.form__check input {
  width: 18px; height: 18px;
  margin-top: 0.2rem;
  accent-color: var(--dorado);
  flex-shrink: 0;
}

.form__check a { color: var(--dorado); text-decoration: underline; text-underline-offset: 3px; }
.form__check a:hover { color: var(--dorado-claro); }

.form__submit { width: 100%; margin-top: 0.4rem; }

.form__note {
  font-size: 0.76rem;
  color: #7d7d7d;
  text-align: center;
}

.form__field.has-error input,
.form__field.has-error select,
.form__field.has-error textarea { border-color: #c05151; }

/* ---------- Confirmación de envío ---------- */
.form-success[hidden] { display: none; }

.form-success {
  text-align: center;
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.form-success svg { width: 64px; height: 64px; color: var(--dorado); }
.form-success h3 { font-size: 1.4rem; }
.form-success p { max-width: 460px; }

/* ==========================================================================
   L. PIE DE PÁGINA
   ========================================================================== */
.footer {
  background: #070707;
  border-top: 1px solid var(--borde);
  padding-top: clamp(3rem, 6vw, 4.5rem);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
  padding-bottom: 2.6rem;
}

.footer__brand img { width: 72px; height: 72px; object-fit: contain; margin-bottom: 1rem; }

.footer__name {
  font-family: var(--font-titulos);
  font-weight: 800;
  color: var(--blanco);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.footer__tag { font-size: 0.88rem; max-width: 300px; }

.footer h3 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 1.1rem;
}

.footer__nav ul, .footer__contact ul, .footer__legal ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.footer a { transition: color 0.25s ease; }
.footer a:hover { color: var(--dorado-claro); }

.footer__bottom {
  border-top: 1px solid var(--borde);
  padding: 1.3rem 0;
  text-align: center;
  font-size: 0.82rem;
  color: #8a8a8a;
}

/* ---------- Modal legal ---------- */
.legal-modal__panel {
  position: relative;
  width: min(680px, 100%);
  max-height: 84vh;
  overflow-y: auto;
  background: var(--negro-2);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 2.4rem 2rem 2rem;
  animation: modalIn 0.3s ease;
}

.legal-modal__panel h3 { font-size: 1.35rem; margin-bottom: 1.1rem; padding-right: 2.5rem; }

.legal-modal__body { font-size: 0.92rem; display: flex; flex-direction: column; gap: 0.9rem; }
.legal-modal__body strong { color: var(--blanco); }

/* ==========================================================================
   BOTÓN FLOTANTE DE WHATSAPP
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 150;
  display: flex;
  align-items: center;
  gap: 0;
  height: 58px;
  padding: 0 17px;
  border-radius: 100px;
  background: var(--gradiente-dorado);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55), 0 4px 14px rgba(229, 179, 63, 0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.6), 0 6px 20px rgba(229, 179, 63, 0.45);
}

.whatsapp-float svg { width: 26px; height: 26px; color: #0a0a0a; flex-shrink: 0; }

.whatsapp-float__label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-titulos);
  font-size: 0.85rem;
  font-weight: 700;
  color: #0a0a0a;
  transition: max-width 0.35s ease, margin-right 0.35s ease;
}

.whatsapp-float:hover .whatsapp-float__label,
.whatsapp-float:focus-visible .whatsapp-float__label {
  max-width: 190px;
  margin-right: 0.6rem;
}

/* ==========================================================================
   ANIMACIONES DE APARICIÓN
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__bg { animation: none; transform: none; }
  .hero__scroll-line { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* ----- Tablets ----- */
@media (min-width: 640px) {
  .form__row { grid-template-columns: 1fr 1fr; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .about__badges { grid-template-columns: 1fr 1fr; }
  .sector-card ul { grid-template-columns: 1fr 1fr; }
  .project-modal__meta { grid-template-columns: 1fr 1fr; }
}

/* ----- Escritorio ----- */
@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .header__actions .nav-toggle { display: none; }
  .header__cta { display: inline-flex; }

  .about__grid { grid-template-columns: 1fr 1.1fr; gap: 4rem; }
  .services__grid { grid-template-columns: repeat(4, 1fr); }
  .why__grid { grid-template-columns: repeat(4, 1fr); }
  .projects__grid { grid-template-columns: repeat(3, 1fr); }
  .sectors__grid { grid-template-columns: 1fr 1fr; }
  .safety__grid { grid-template-columns: 1.1fr 1fr; gap: 4rem; }
  .contact__grid { grid-template-columns: 1fr 1.35fr; gap: 4rem; }
  .footer__grid { grid-template-columns: 1.4fr 0.8fr 1.3fr 0.7fr; }
  .project-modal__panel { grid-template-columns: 1.15fr 1fr; }
  .project-modal__media { aspect-ratio: auto; min-height: 100%; }
}

@media (min-width: 1280px) {
  .services__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ----- Menú móvil ----- */
@media (max-width: 1023px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    width: min(340px, 88vw);
    height: calc(100dvh - var(--header-h));
    background: rgba(7, 7, 7, 0.98);
    backdrop-filter: blur(16px);
    border-left: 1px solid var(--borde);
    padding: 2.2rem 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.35s ease, visibility 0.35s ease;
    overflow-y: auto;
  }

  .nav.is-open { transform: translateX(0); visibility: visible; }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    width: 100%;
  }

  .nav__list li { width: 100%; }

  .nav__link {
    display: block;
    width: 100%;
    font-family: var(--font-titulos);
    font-size: 1.05rem;
    font-weight: 700;
    padding: 0.75rem 0.4rem;
    border-bottom: 1px solid var(--borde);
  }

  .nav__link::after { display: none; }
  .nav__cta { display: block; text-align: center; }
}

/* ----- Ajustes móviles ----- */
@media (max-width: 639px) {
  .hero__buttons .btn { width: 100%; }
  .cta__buttons .btn { width: 100%; }
  .stat:not(:last-child)::after { display: none; }
  .stats__grid { gap: 1.8rem; }
  .whatsapp-float { right: 1rem; bottom: 1rem; }
  .header__brand-text small { font-size: 0.58rem; }
}