/* ═══════════════════════════════════════════════
   FGPRO — GRUPO CONSTRUCTOR
   style.css
   Paleta Premium: Dorado bronce #B88A3D | Azul (detalle mínimo) #17495E | Cemento oscuro #2B2B2B | Grafito #33312F | Arena clara #DDD3C4 | Blanco cálido #F5F2EC
═══════════════════════════════════════════════ */

/* ─── RESET & BASE ─────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --accent:  #B88A3D;
  --steel:   #17495E;
  --logo-gray:   #DDD3C4;
  --dark:    #2B2B2B;
  --dark2:   #33312F;
  --gray:    #3A3734;
  --gray2:   rgba(245,242,236,0.3);
  --light:   #DDD3C4;
  --light2:  #D2C8B6;
  --white:   #F5F2EC;
  --text-muted: #DDD3C4;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Montserrat', sans-serif;
  --nav-h: 58px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

/* ─── NAVBAR ────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(43,43,43,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(23,73,94,0.4);
  height: var(--nav-h);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-body);
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-logo.nav-tab {
  padding: 0;
  border-bottom: none;
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.nav-logo.nav-tab:hover,
.nav-logo.nav-tab.active {
  border-bottom: none;
}

.logo-fg  { color: var(--accent); }
.logo-pro { color: var(--steel);  }

.nav-links {
  list-style: none;
  display: flex;
  gap: 0.25rem;
}

.nav-tab {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  cursor: pointer;
}

.nav-tab:hover,
.nav-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

/* ─── TAB SECTIONS ──────────────────────────── */
.tab-section {
  display: none;
  min-height: 100vh;
  padding-top: var(--nav-h);
}

.tab-section.active { display: block; }

/* ─── HERO ──────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(10,10,10,0.68) 0%,
    rgba(10,10,10,0.42) 45%,
    rgba(10,10,10,0.15) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  padding: 2rem;
  margin-left: max(2rem, calc((100% - 1280px) / 2 + 2rem));
  max-width: 720px;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(3rem, 7.5vw, 5.9rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin-bottom: 1.75rem;
  display: inline-block;
  transform: scaleY(1.18);
  transform-origin: left center;
  text-shadow: 0 10px 40px rgba(0,0,0,0.75);
}

/* Mantiene cada línea completa: "Nos apasiona lo" / "que hacemos" */
.hero-title .accent,
.hero-title .white { white-space: nowrap; }

.accent { color: var(--accent); }
.white  { color: var(--white);  }

.fgpro-highlight {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
}

.fgpro-highlight .accent {
  color: var(--steel);
}

.hero-sub {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--light);
  max-width: 520px;
  margin: 0 0 2.5rem;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, #D6A900, transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50%       { opacity: 1;   transform: scaleY(1);   }
}

/* ─── BUTTONS ───────────────────────────────── */
.btn-primary {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: var(--dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--accent);
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
}

.btn-outline {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.btn-outline:hover {
  background: var(--steel);
  border-color: var(--steel);
  color: var(--white);
}

.full-width { width: 100%; text-align: center; }

/* Botón del hero: terracota, letras blanco cálido, esquinas redondeadas */
.hero-btns .btn-primary {
  color: var(--white);
  border-radius: 50px;
  padding: 0.95rem 2.4rem;
}

.hero-btns .btn-primary:hover {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── TRAYECTORIA BAR ────────────────────────── */
.trayectoria-bar {
  position: relative;
  display: grid;
  grid-template-columns: 3fr 2fr;
  min-height: 360px;
  background: var(--light);
}

.trayectoria-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 1.25rem clamp(0.5rem, 3vw, 1.5rem);
}

.trayectoria-label {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 0.15em;
  font-size: clamp(0.9rem, 4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.trayectoria-num-wrap {
  position: relative;
  display: inline-flex;
  width: fit-content;
}

.trayectoria-num {
  font-family: 'Roboto Slab', serif;
  font-size: clamp(5rem, 23vw, 24rem);
  font-weight: 900;
  color: var(--dark);
  line-height: 0.85;
  margin-top: -0.12em;
  -webkit-text-stroke: 1.5px var(--dark);
}

.trayectoria-plus {
  position: relative;
  top: -0.1em;
  font-size: clamp(3.2rem, 10.5vw, 13.3rem);
  line-height: 0.6;
  font-family: var(--font-body);
  font-weight: 800;
  color: var(--accent);
}

.trayectoria-text {
  font-size: clamp(1rem, 5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dark);
  line-height: 1.2;
  margin-top: 0.25rem;
}

.trayectoria-img-wrap {
  position: relative;
  height: 100%;
  min-height: 360px;
  overflow: hidden;
}

.trayectoria-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

/* ─── CINTILLA ───────────────────────────────── */
/* Franja centrada sobre la sección de trayectoria: deja ver
   la parte clara y la imagen vertical detrás, con tinte azul. */
.cinta {
  position: absolute;
  bottom: 2rem;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  min-height: 160px;
  background: rgba(23, 73, 94, 0.88);
}

.cinta-text {
  width: 100%;
  text-align: center;
  padding: 1.75rem 4rem;
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

/* ─── LAYOUT HELPERS ─────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-block {
  padding: 6rem 0;
}

.section-block.dark  { background: var(--dark2); }
.section-block.gray  { background: var(--gray);  }
.section-block.light { background: var(--light); }

.section-block.light .section-title,
.section-block.light .page-title {
  color: var(--dark);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

/* ─── TEXT STYLES ────────────────────────────── */
.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: block;
}

.eyebrow.center { text-align: center; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 0.95;
  letter-spacing: 0.03em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.section-title.center { text-align: center; }

.body-text {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--light);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

/* ─── COL IMAGE ──────────────────────────────── */
.col-img {
  position: relative;
  height: 480px;
}

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-label-badge {
  position: absolute;
  bottom: -1px;
  left: 0;
  background: var(--accent);
  color: var(--dark);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
}

/* ─── AREA CARDS ─────────────────────────────── */
.cards-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.area-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.area-img-wrap {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.area-img-wrap img {
  transition: transform 0.6s ease, filter 0.6s ease;
  filter: grayscale(100%);
}

.area-card:hover .area-img-wrap img,
.area-card:active .area-img-wrap img,
.area-card.is-active .area-img-wrap img {
  transform: scale(1.06);
  filter: grayscale(0%);
}

/* Imagen de "Interiores": espejeada horizontalmente */
.img-mirrored { transform: scaleX(-1); }

.area-card:hover .area-img-wrap .img-mirrored,
.area-card:active .area-img-wrap .img-mirrored,
.area-card.is-active .area-img-wrap .img-mirrored {
  transform: scaleX(-1) scale(1.06);
}

.area-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(43,43,43,0.9) 0%, rgba(43,43,43,0.2) 60%, transparent 100%);
}

.area-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.5rem;
}

.area-title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.area-desc {
  font-size: 0.82rem;
  color: var(--light);
  line-height: 1.5;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.8s ease, opacity 0.7s ease;
}

.area-card:hover .area-desc,
.area-card.is-active .area-desc {
  max-height: 100px;
  opacity: 1;
}

.area-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  transition: width 0.4s ease;
}

.area-card:hover::after,
.area-card.is-active::after { width: 100%; }

/* ─── CLIENTS GRID ───────────────────────────── */
.clients-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 3rem;
  border: 1px solid var(--gray2);
}

.client-name {
  flex: 1 1 calc(100% / 3);
  padding: 2rem;
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.08em;
  color: rgba(245,242,236,0.25);
  border-right: 1px solid var(--gray2);
  border-bottom: 1px solid var(--gray2);
  transition: color var(--transition), background var(--transition);
  cursor: default;
}

.client-name:nth-child(3n) { border-right: none; }
.client-name:nth-last-child(-n+3) { border-bottom: none; }

.client-name:hover {
  color: var(--accent);
  background: rgba(184,138,61,0.08);
}

/* ─── PAGE HEADER ────────────────────────────── */
.page-header {
  background: var(--dark);
  padding: 5rem 2rem 4rem;
  text-align: center;
  border-bottom: 1px solid var(--gray2);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 1rem;
}

.page-sub {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── PROJECTS CARRUSEL ──────────────────────── */
.projects-carousel {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
  background: var(--gray);
}

.carousel-track {
  display: flex;
  height: 100%;
  width: 100%;
  transition: transform 0.7s ease;
}

.carousel-slide {
  position: relative;
  flex: 0 0 100%;
  height: 100%;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel-caption {
  position: absolute;
  left: 0; bottom: 0; right: 0;
  padding: 1.5rem 2rem;
  background: linear-gradient(180deg, rgba(43,43,43,0) 0%, rgba(43,43,43,0.8) 100%);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.carousel-caption-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.03em;
  color: var(--white);
}

.carousel-caption-loc {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: none;
  color: rgba(221,211,196,0.7);
  font-size: 4rem;
  line-height: 1;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  z-index: 3;
  transition: color 0.3s ease;
}

.carousel-arrow:hover {
  color: var(--steel);
}

.carousel-arrow-prev { left: 0.5rem; }
.carousel-arrow-next { right: 0.5rem; }

/* ─── PROJECTS TYPES (listas agrupadas) ─────────── */
.projects-types {
  padding: 3rem 0 5rem;
}

/* Fila de títulos: cada uno despliega/oculta su lista */
.type-tabs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.type-tab-btn {
  background: transparent;
  border: 1px solid var(--gray2);
  border-radius: 4px;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  letter-spacing: 0.04em;
  padding: 0.75rem 1.75rem;
  cursor: pointer;
  transition: all var(--transition);
}

.type-tab-btn:hover,
.type-tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
}

/* Acordeón: oculto por defecto, se despliega con la clase .open */
.project-type-group {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-type-group.open {
  grid-template-rows: 1fr;
  margin-bottom: 1.5rem;
}

.project-type-group > .project-list {
  min-height: 0;
  overflow: hidden;
}

.project-list {
  list-style: none;
}

.project-list-item {
  display: grid;
  grid-template-columns: 70px 1.3fr 1fr 1.7fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--gray2);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Aparición tenue y escalonada al desplegar la lista */
.project-type-group.open .project-list-item {
  opacity: 1;
  transform: translateY(0);
}

.project-type-group.open .project-list-item:nth-child(1) { transition-delay: 0.08s; }
.project-type-group.open .project-list-item:nth-child(2) { transition-delay: 0.14s; }
.project-type-group.open .project-list-item:nth-child(3) { transition-delay: 0.2s;  }
.project-type-group.open .project-list-item:nth-child(4) { transition-delay: 0.26s; }
.project-type-group.open .project-list-item:nth-child(5) { transition-delay: 0.32s; }
.project-type-group.open .project-list-item:nth-child(6) { transition-delay: 0.38s; }

.pli-year {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text-muted);
}

.pli-main {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.pli-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.pli-cat {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.pli-location {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pli-detail {
  font-size: 0.85rem;
  color: var(--light);
  line-height: 1.4;
}

.pli-asterisk {
  font-size: 0.7rem;
  vertical-align: super;
  color: var(--text-muted);
  margin-left: 0.05rem;
}

.project-list-note-item {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: right;
  padding-top: 0.9rem;
  border-bottom: none;
}

/* ─── SERVICES ───────────────────────────────── */
.services-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.service-img {
  height: 600px;
  object-fit: cover;
}

.service-carousel {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
  background: var(--gray);
}

.service-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--gray2);
}

.service-item:first-child { padding-top: 0; }

.service-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
  flex-shrink: 0;
  min-width: 48px;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.service-desc {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--light);
  line-height: 1.75;
}

/* ─── PROCESS STEPS ──────────────────────────── */
.process-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 3rem;
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 0 1rem;
}

.step-line {
  width: 60px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.4;
}

.step-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--dark);
  font-family: var(--font-display);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--light);
  line-height: 1.6;
}

/* ─── VALUES ─────────────────────────────────── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.value-card {
  position: relative;
  background: var(--dark2);
  padding: 2rem 1.5rem;
  overflow: hidden;
}

.value-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 3px;
  background: var(--steel);
  transition: width 0.4s ease;
}

.value-card:hover::after,
.value-card:active::after,
.value-card.is-active::after { width: 100%; }

.value-icon {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.value-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.value-desc {
  font-size: 0.83rem;
  font-weight: 300;
  color: var(--light);
  line-height: 1.7;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.8s ease, opacity 0.7s ease;
}

.value-card:hover .value-desc,
.value-card:active .value-desc,
.value-card.is-active .value-desc {
  max-height: 120px;
  opacity: 1;
}

/* ─── GALLERY ────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.gallery-img {
  height: 240px;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.4s ease;
  cursor: pointer;
}

.gallery-img:hover {
  transform: scale(1.03);
  opacity: 0.85;
}

/* ─── CONTACT ────────────────────────────────── */
.contact-cols {
  gap: 5rem;
  align-items: start;
}

.contact-info { padding-top: 1rem; }

.contact-item {
  margin-bottom: 2rem;
}

.contact-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.35rem;
}

.contact-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.contact-link {
  font-size: 0.9rem;
  color: var(--dark);
  transition: color var(--transition);
}

.contact-link:hover { color: var(--accent); }

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.25rem;
}

.social-link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark);
  border-bottom: 1px solid var(--gray2);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  margin-top: 2rem;
}

/* ─── CONTACT FORM ───────────────────────────── */
.contact-form-wrap {
  background: transparent;
  padding: 2.5rem;
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  color: var(--dark);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--gray2);
  border-radius: 0;
  color: var(--dark);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}

.form-group select {
  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' stroke='%23DDD3C4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option { background: var(--white); color: var(--dark); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--steel);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-note {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--accent);
  text-align: center;
  min-height: 1.2em;
}

/* ─── FOOTER ─────────────────────────────────── */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--gray2);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.footer-logo a.nav-tab {
  display: inline-block;
  padding: 0;
  border-bottom: none;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
}

.footer-logo a.nav-tab:hover,
.footer-logo a.nav-tab.active {
  border-bottom: none;
}

.footer-tagline {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--light);
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  border-bottom: none;
  transition: color var(--transition);
}

.footer-nav:hover { color: var(--accent); }

.footer-copy {
  font-size: 0.72rem;
  color: rgba(245,242,236,0.35);
  letter-spacing: 0.05em;
}

/* ─── RESPONSIVE ─────────────────────────────── */
@media (max-width: 1024px) {
  .two-col      { grid-template-columns: 1fr; gap: 3rem; }
  .two-col.reverse { direction: ltr; }
  .col-img      { height: 360px; }
  .cards-three  { grid-template-columns: 1fr 1fr; }
  .values-grid  { grid-template-columns: 1fr 1fr; }
  .projects-carousel { height: 380px; }
  .services-layout { grid-template-columns: 1fr; }
  .service-img  { height: 360px; }
  .service-carousel { height: 360px; }
  .process-steps { flex-wrap: wrap; }
  .step-line    { display: none; }
  .process-step { flex: 0 0 calc(50% - 1rem); }
}

@media (max-width: 768px) {
  /* Navegación: menú hamburguesa */
  .nav-inner { padding: 0 1.25rem; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--dark2);
    padding: 0.5rem 1rem 1rem;
    border-bottom: 1px solid var(--gray2);
    gap: 0;
  }
  .nav-links.open .nav-tab {
    display: block;
    width: 100%;
    padding: 0.9rem 0.5rem;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--gray2);
  }
  .hamburger { display: flex; }
  /* Hamburguesa → X cuando el menú está abierto */
  .hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.is-open span:nth-child(2) { opacity: 0; }
  .hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Cintilla: con un pequeño espacio abajo, como en la versión web */
  .cinta { bottom: 0.75rem; min-height: 90px; }
  .cinta-text { padding: 1rem 1.25rem; font-size: 0.85rem; line-height: 1.4; }

  /* Layouts a una columna */
  .cards-three { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .projects-carousel { height: 260px; }
  .carousel-caption { padding: 1rem 1.25rem; }
  .carousel-caption-name { font-size: 1.2rem; }
  .carousel-arrow { display: none; }
  .project-list-item {
    grid-template-columns: 1fr;
    gap: 0.3rem;
    padding: 1rem 0;
  }
  .pli-year { order: -1; }
  .values-grid  { grid-template-columns: 1fr; }
  .clients-grid .client-name {
    flex: 1 1 50%;
    border-right: 1px solid var(--gray2);
    border-bottom: 1px solid var(--gray2);
  }
  .clients-grid .client-name:nth-child(2n) { border-right: none; }
  .clients-grid .client-name:nth-last-child(-n+2) { border-bottom: none; }
  .contact-cols { grid-template-columns: 1fr; }
  .process-step { flex: 0 0 100%; }
  .section-block { padding: 4rem 0; }
  .page-header   { padding: 3rem 1.25rem 2.5rem; }
  .container     { padding: 0 1.25rem; }

  /* Hero adaptado */
  .hero-content {
    margin-left: 0;
    padding: 1.5rem 1.25rem;
    max-width: 100%;
  }
  .hero-title { font-size: clamp(1.9rem, 8.5vw, 3rem); }
  .hero-sub   { font-size: 1rem; }
  .hero-overlay {
    background: linear-gradient(
      90deg,
      rgba(10,10,10,0.62) 0%,
      rgba(10,10,10,0.48) 60%,
      rgba(10,10,10,0.32) 100%
    );
  }

  /* Tipografía legible sin zoom */
  .body-text, .service-desc, .area-desc, .pli-detail, .value-desc, .step-desc {
    font-size: 0.95rem;
  }

  /* Botones de filtro de Proyectos: todos en una sola fila */
  .type-tabs-row {
    flex-wrap: nowrap;
    gap: 0.4rem;
  }
  .type-tab-btn {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.65rem 0.2rem;
    font-size: clamp(0.78rem, 3.8vw, 1.05rem);
    letter-spacing: 0;
    white-space: nowrap;
    text-align: center;
  }
  /* Evita el auto-zoom de iOS al enfocar campos (mínimo 16px) */
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 16px; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-btns    { flex-direction: column; align-items: center; }
  .hero-btns .btn-primary { text-align: center; }
  .clients-grid .client-name {
    flex: 1 1 100%;
    border-right: none;
    border-bottom: 1px solid var(--gray2);
    font-size: 1.5rem;
    padding: 1.5rem;
  }
  .clients-grid .client-name:nth-last-child(-n+2) { border-bottom: 1px solid var(--gray2); }
  .clients-grid .client-name:last-child { border-bottom: none; }
  .contact-form-wrap { padding: 1.75rem 1.25rem; }
  .nav-logo,
  .nav-logo.nav-tab { font-size: 1.45rem; }
}

/* ─── ANIMACIONES DE ENTRADA ─────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}