/* ================================================================
   EspoVega Construcciones — main.css  v3.0
   Paleta Sotheby's: Azul marino #002349 · Dorado #957C3D
   ================================================================ */

:root {
    --clr-navy:       #002349;
    --clr-navy-dark:  #001830;
    --clr-navy-mid:   #0a3560;
    --clr-gold:       #957C3D;
    --clr-gold-lt:    #b09650;
    --clr-gold-pale:  #f5f0e6;
    --clr-gold-line:  rgba(149,124,61,.25);
    --clr-bg:         #f7f5f1;
    --clr-surface:    #ffffff;
    --clr-surface2:   #efefeb;
    --clr-border:     #dedad4;
    --clr-heading:    #001d3d;
    --clr-text:       #3a3628;
    --clr-muted:      #6e6858;
    --clr-on-navy:    #ffffff;
    --clr-on-navy-2:  rgba(255,255,255,.72);
    --clr-on-navy-3:  rgba(255,255,255,.45);
    --clr-error:      #b52b27;
    --clr-success:    #1e7d45;
    --ff-display: 'Playfair Display', Georgia, serif;
    --ff-body:    'DM Sans', system-ui, sans-serif;
    --radius-sm:  4px;
    --radius:     8px;
    --radius-lg:  16px;
    --shadow-sm:  0 2px 10px rgba(0,35,73,.08);
    --shadow:     0 8px 32px rgba(0,35,73,.13);
    --shadow-lg:  0 20px 60px rgba(0,35,73,.20);
    --transition: .28s ease;
    --max-w:      1240px;
    --gutter:     clamp(20px, 5vw, 60px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--ff-body); background: var(--clr-bg); color: var(--clr-text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a   { color: var(--clr-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-gold-lt); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
.section       { padding: clamp(64px, 8vw, 112px) 0; }
.section-navy  { background: var(--clr-navy); }
.section-grey  { background: var(--clr-surface2); }
.section-white { background: var(--clr-surface); }
.section-header { text-align: center; margin-bottom: clamp(40px, 5vw, 64px); }

.section-tag {
    display: inline-block;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--clr-gold);
    border-bottom: 1px solid var(--clr-gold);
    padding-bottom: 3px;
    margin-bottom: 14px;
}
.section-navy .section-tag { color: var(--clr-gold-lt); border-color: var(--clr-gold-lt); }

.section-title { font-family: var(--ff-display); font-size: clamp(1.9rem, 3.5vw, 2.9rem); font-weight: 700; color: var(--clr-heading); line-height: 1.18; }
.section-navy .section-title { color: var(--clr-on-navy); }
.section-cta { text-align: center; margin-top: 52px; }

/* ── Botones ── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--ff-body); font-size: .85rem; font-weight: 600;
    letter-spacing: .08em; text-transform: uppercase;
    padding: 13px 30px; border-radius: 0; border: 1px solid transparent;
    cursor: pointer; transition: all var(--transition); text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--clr-gold); color: #fff; border-color: var(--clr-gold); }
.btn-primary:hover { background: var(--clr-gold-lt); border-color: var(--clr-gold-lt); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(149,124,61,.30); }
.btn-outline { background: transparent; color: var(--clr-on-navy); border-color: rgba(255,255,255,.55); }
.btn-outline:hover { background: rgba(255,255,255,.10); border-color: #fff; color: #fff; }
.btn-outline-dark { background: transparent; color: var(--clr-navy); border-color: var(--clr-navy); }
.btn-outline-dark:hover { background: var(--clr-navy); color: #fff; }
.btn-cta { background: var(--clr-gold); color: #fff; font-size: .78rem; padding: 10px 22px; border-radius: 0; letter-spacing: .1em; }
.btn-cta:hover { background: var(--clr-gold-lt); color: #fff; }
.btn-lg { padding: 16px 40px; font-size: .9rem; }

/* ── HEADER ── */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: var(--clr-navy);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 0; transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.35); }
.header-inner { display: flex; align-items: center; height: 68px; gap: 32px; }
.logo img { height: 48px; width: auto; object-fit: contain; display: block; }
.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 0; list-style: none; }
.nav-link {
    display: flex; align-items: center; height: 68px;
    color: var(--clr-on-navy-2); font-size: .78rem; font-weight: 500;
    letter-spacing: .1em; text-transform: uppercase;
    padding: 0 16px; transition: all var(--transition);
    border-bottom: 3px solid transparent;
}
.nav-link:hover  { color: var(--clr-on-navy); border-bottom-color: var(--clr-gold); }
.nav-link.active { color: var(--clr-on-navy); border-bottom-color: var(--clr-gold); }
.header-cta { margin-left: 20px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; margin-left: auto; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--clr-on-navy); transition: all var(--transition); }

/* ── HERO ── */
.hero { position: relative; height: 100svh; min-height: 600px; display: flex; align-items: center; overflow: hidden; }
.hero-slider { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.2s ease; }
.hero-slide.active { opacity: 1; }
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(105deg, rgba(0,24,48,.82) 0%, rgba(0,24,48,.55) 45%, rgba(0,24,48,.20) 100%);
}
.hero-content { position: relative; z-index: 2; padding-top: 68px; animation: fadeUp .9s ease both; max-width: 620px; }
.hero-since {
    font-size: .73rem; letter-spacing: .25em; text-transform: uppercase;
    color: var(--clr-gold-lt); margin-bottom: 16px; font-weight: 600;
    display: flex; align-items: center; gap: 10px;
}
.hero-since::before { content: ''; display: block; width: 32px; height: 1px; background: var(--clr-gold-lt); }
.hero-title { font-family: var(--ff-display); font-size: clamp(2.8rem, 6.5vw, 5.5rem); font-weight: 700; color: #fff; line-height: 1.06; margin-bottom: 22px; }
.hero-subtitle { font-size: clamp(.95rem, 1.8vw, 1.15rem); color: rgba(255,255,255,.82); margin-bottom: 38px; line-height: 1.65; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 32px; right: var(--gutter); display: flex; gap: 8px; z-index: 3; }
.dot { width: 28px; height: 2px; background: rgba(255,255,255,.35); border: none; cursor: pointer; transition: all var(--transition); padding: 0; border-radius: 0; }
.dot.active { background: var(--clr-gold-lt); width: 48px; }

/* ── STATS BAND ── */
.stats-band { background: var(--clr-navy-dark); border-top: 1px solid rgba(149,124,61,.3); border-bottom: 1px solid rgba(149,124,61,.3); padding: 44px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; text-align: center; }
.stat-item { padding: 12px 20px; border-right: 1px solid rgba(255,255,255,.08); }
.stat-item:last-child { border-right: none; }
.stat-number { font-family: var(--ff-display); font-size: clamp(2.2rem, 3.5vw, 3.2rem); font-weight: 700; color: var(--clr-gold-lt); line-height: 1; }
.stat-plus { font-size: 1.4rem; font-weight: 700; color: var(--clr-gold-lt); }
.stat-label { display: block; font-size: .76rem; font-weight: 500; color: var(--clr-on-navy-2); margin-top: 6px; letter-spacing: .08em; text-transform: uppercase; }

/* ── SERVICIOS ── */
.servicios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--clr-border); }
.servicio-card { background: var(--clr-surface); padding: 44px 36px; transition: all var(--transition); position: relative; overflow: hidden; }
.servicio-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--clr-gold); transform: scaleX(0); transition: transform var(--transition); transform-origin: left; }
.servicio-card:hover { background: var(--clr-gold-pale); }
.servicio-card:hover::after { transform: scaleX(1); }
.servicio-icon { font-size: 2rem; margin-bottom: 20px; }
.servicio-card h3 { font-family: var(--ff-display); font-size: 1.3rem; color: var(--clr-navy); margin-bottom: 12px; }
.servicio-card p { font-size: .92rem; color: var(--clr-muted); margin-bottom: 24px; }
.card-link { font-size: .75rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--clr-gold); display: inline-flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--clr-gold-line); padding-bottom: 2px; transition: all var(--transition); }
.card-link:hover { color: var(--clr-gold-lt); border-color: var(--clr-gold-lt); }
.card-link span { display: inline-block; transition: transform var(--transition); }
.card-link:hover span { transform: translateX(4px); }

/* ── PROYECTOS DESTACADOS ── */
.proyectos-destacados { background: var(--clr-navy); }
.proyectos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.proyecto-card-inner { display: block; overflow: hidden; background: var(--clr-navy-mid); transition: transform var(--transition), box-shadow var(--transition); border: 1px solid rgba(255,255,255,.06); }
.proyecto-card-inner:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.proyecto-img-wrap { position: relative; overflow: hidden; aspect-ratio: 3/2; }
.proyecto-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; filter: brightness(.9); }
.proyecto-card-inner:hover .proyecto-img-wrap img { transform: scale(1.05); filter: brightness(1); }
.proyecto-info { padding: 22px 24px; }
.proyecto-cat { display: inline-block; font-size: .68rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--clr-gold-lt); margin-bottom: 6px; }
.proyecto-info h3 { font-family: var(--ff-display); font-size: 1.2rem; color: #fff; margin-bottom: 4px; }
.proyecto-loc { font-size: .8rem; color: var(--clr-on-navy-3); }

/* ── POR QUÉ NOSOTROS ── */
.porque-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.porque-texto .section-title { text-align: left; }
.porque-texto p { color: var(--clr-muted); margin-bottom: 14px; }
.porque-lista { list-style: none; margin: 24px 0 32px; display: flex; flex-direction: column; gap: 11px; }
.porque-lista li { display: flex; align-items: center; gap: 14px; font-size: .95rem; color: var(--clr-text); }
.check { display: flex; align-items: center; justify-content: center; width: 20px; height: 20px; border: 1px solid var(--clr-gold); color: var(--clr-gold); font-size: .72rem; flex-shrink: 0; }
.porque-imagen { position: relative; }
.porque-imagen img { width: 100%; object-fit: cover; aspect-ratio: 4/5; box-shadow: var(--shadow-lg); }
.porque-badge { position: absolute; bottom: -20px; left: -20px; background: var(--clr-navy); border: 1px solid var(--clr-gold-line); color: #fff; padding: 22px 28px; text-align: center; box-shadow: var(--shadow); }
.porque-badge strong { display: block; font-family: var(--ff-display); font-size: 2.4rem; font-weight: 700; color: var(--clr-gold-lt); line-height: 1; }
.porque-badge span { font-size: .75rem; color: var(--clr-on-navy-2); }

/* ── CTA BANNER ── */
.cta-banner { background: var(--clr-navy); border-top: 1px solid var(--clr-gold-line); border-bottom: 1px solid var(--clr-gold-line); }
.cta-banner-inner { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-banner-inner h2 { font-family: var(--ff-display); font-size: clamp(1.7rem, 3vw, 2.5rem); color: var(--clr-on-navy); margin-bottom: 12px; }
.cta-banner-inner p { font-size: 1.05rem; color: var(--clr-on-navy-2); margin-bottom: 32px; }

/* ── PAGE HERO ── */
.page-hero { padding: 140px 0 64px; background: var(--clr-navy); border-bottom: 3px solid var(--clr-gold); }
.page-hero h1 { font-family: var(--ff-display); font-size: clamp(2.2rem, 5vw, 3.8rem); color: var(--clr-on-navy); margin-bottom: 14px; }
.page-hero p { font-size: 1.08rem; color: var(--clr-on-navy-2); max-width: 520px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .78rem; letter-spacing: .06em; color: var(--clr-on-navy-3); margin-bottom: 20px; text-transform: uppercase; }
.breadcrumb a { color: var(--clr-on-navy-3); }
.breadcrumb a:hover { color: var(--clr-gold-lt); }

/* ── PROYECTOS LISTA ── */
.filtros { display: flex; gap: 0; flex-wrap: wrap; margin-bottom: 44px; border-bottom: 1px solid var(--clr-border); }
.filtro-btn { font-family: var(--ff-body); font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: 12px 24px; border: none; border-bottom: 3px solid transparent; background: transparent; color: var(--clr-muted); cursor: pointer; transition: all var(--transition); margin-bottom: -1px; }
.filtro-btn:hover { color: var(--clr-navy); border-bottom-color: var(--clr-gold-line); }
.filtro-btn.active { color: var(--clr-navy); border-bottom-color: var(--clr-gold); font-weight: 700; }
.proyectos-masonry { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.proyecto-item { overflow: hidden; background: var(--clr-surface); border: 1px solid var(--clr-border); transition: all var(--transition); }
.proyecto-item:hover { box-shadow: var(--shadow); border-color: var(--clr-gold-line); transform: translateY(-3px); }
.proyecto-item.hidden { display: none; }
.proyecto-item-link { display: block; color: inherit; }
.proyecto-item-img { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.proyecto-item-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; filter: brightness(.92); }
.proyecto-item:hover .proyecto-item-img img { transform: scale(1.06); filter: brightness(1); }
.proyecto-item-overlay { position: absolute; inset: 0; background: rgba(0,24,48,.45); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--transition); }
.proyecto-item:hover .proyecto-item-overlay { opacity: 1; }
.overlay-icon { font-size: 2rem; }
.proyecto-item-meta { padding: 18px 20px; }
.proyecto-item-cat { font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--clr-gold); display: block; margin-bottom: 5px; }
.proyecto-item-title { font-family: var(--ff-display); font-size: 1.05rem; color: var(--clr-navy); margin-bottom: 4px; }
.proyecto-item-loc { font-size: .78rem; color: var(--clr-muted); }
.empty-state { text-align: center; padding: 80px 20px; color: var(--clr-muted); }

/* ── PROYECTO SINGLE ── */
.proyecto-hero { min-height: 480px; background-size: cover; background-position: center; position: relative; display: flex; align-items: flex-end; padding-bottom: 52px; padding-top: 100px; }
.proyecto-hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,24,48,.90) 35%, rgba(0,24,48,.25) 100%); }
.proyecto-hero-content { position: relative; z-index: 1; }
.proyecto-single-cat { display: inline-block; font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--clr-gold-lt); border-bottom: 1px solid var(--clr-gold-lt); padding-bottom: 2px; margin-bottom: 12px; }
.proyecto-hero-content h1 { font-family: var(--ff-display); font-size: clamp(2rem, 4vw, 3.4rem); color: #fff; margin-bottom: 8px; }
.proyecto-single-loc { color: rgba(255,255,255,.6); font-size: .87rem; }
.proyecto-single-desc { max-width: 680px; margin: 0 auto 52px; text-align: center; font-size: 1.08rem; color: var(--clr-muted); }

.galeria-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 52px; }
.galeria-item { margin: 0; }
.galeria-btn { position: relative; display: block; border: none; background: none; cursor: pointer; width: 100%; overflow: hidden; aspect-ratio: 4/3; }
.galeria-btn img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; filter: brightness(.9); }
.galeria-btn:hover img { transform: scale(1.07); filter: brightness(1); }
.galeria-zoom { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; background: rgba(0,24,48,.45); opacity: 0; transition: opacity var(--transition); }
.galeria-btn:hover .galeria-zoom { opacity: 1; }

.lightbox { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; }
.lightbox[hidden] { display: none; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(0,18,36,.96); cursor: pointer; }
.lightbox-img-wrap { position: relative; z-index: 1; max-width: 90vw; max-height: 90vh; text-align: center; }
.lightbox-img-wrap img { max-width: 100%; max-height: 85vh; box-shadow: var(--shadow-lg); }
.lightbox-counter { color: rgba(255,255,255,.45); font-size: .8rem; margin-top: 10px; }
.lightbox-close, .lightbox-prev, .lightbox-next { position: absolute; z-index: 2; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); color: #fff; border-radius: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--transition); font-size: 1.2rem; width: 46px; height: 46px; }
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev  { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--clr-gold); border-color: var(--clr-gold); }

.proyecto-nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 36px 0 0; border-top: 1px solid var(--clr-border); }
.pnav-link { display: flex; align-items: center; gap: 12px; color: var(--clr-muted); transition: color var(--transition); flex: 1; }
.pnav-next { justify-content: flex-end; text-align: right; }
.pnav-link:hover { color: var(--clr-navy); }
.pnav-info { display: flex; flex-direction: column; }
.pnav-info small { font-size: .68rem; color: var(--clr-muted); text-transform: uppercase; letter-spacing: .1em; }
.pnav-arrow { font-size: 1.4rem; }
.pnav-all { font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--clr-navy); border: 1px solid var(--clr-navy); padding: 9px 20px; border-radius: 0; transition: all var(--transition); }
.pnav-all:hover { background: var(--clr-navy); color: #fff; }

/* ── CONÓCENOS ── */
.conocenos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.conocenos-texto p { color: var(--clr-muted); margin-bottom: 14px; }
.logo-grande { width: 100%; max-width: 360px; margin: 0 auto; }
.fundacion-badge { position: absolute; top: -18px; right: 0; background: var(--clr-navy); border: 1px solid var(--clr-gold-line); color: #fff; padding: 18px 22px; text-align: center; box-shadow: var(--shadow); }
.fundacion-year { display: block; font-family: var(--ff-display); font-size: 1.9rem; font-weight: 700; color: var(--clr-gold-lt); line-height: 1; }
.fundacion-label { font-size: .72rem; color: var(--clr-on-navy-2); }
.valores-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.06); }
.valor-card { background: rgba(255,255,255,.04); padding: 30px 24px; transition: background var(--transition); }
.valor-card:hover { background: rgba(255,255,255,.08); }
.valor-icon { font-size: 1.8rem; margin-bottom: 14px; }
.valor-card h3 { font-family: var(--ff-display); font-size: 1.08rem; color: #fff; margin-bottom: 8px; }
.valor-card p { font-size: .87rem; color: var(--clr-on-navy-2); }
.especialidades-lista { display: flex; flex-direction: column; }
.esp-item { display: flex; gap: 28px; align-items: flex-start; padding: 32px 0; border-bottom: 1px solid var(--clr-border); }
.esp-item:first-child { border-top: 1px solid var(--clr-border); }
.esp-num { font-family: var(--ff-display); font-size: 2.8rem; font-weight: 700; color: rgba(149,124,61,.2); line-height: 1; min-width: 62px; flex-shrink: 0; }
.esp-body h3 { font-family: var(--ff-display); font-size: 1.25rem; color: var(--clr-navy); margin-bottom: 8px; }
.esp-body p { color: var(--clr-muted); font-size: .94rem; }

/* ── CONTACTO ── */
.contacto-grid { display: grid; grid-template-columns: 1fr 360px; gap: 52px; align-items: start; }
.contacto-form-wrap h2 { font-family: var(--ff-display); font-size: 1.75rem; color: var(--clr-navy); margin-bottom: 26px; }
.alert { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; margin-bottom: 22px; font-size: .92rem; }
.alert-success { background: #eaf6ef; border-left: 4px solid var(--clr-success); color: var(--clr-success); }
.alert-error   { background: #fdf0ef; border-left: 4px solid var(--clr-error);   color: var(--clr-error); }
.alert span { font-size: 1.1rem; flex-shrink: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--clr-navy); margin-bottom: 7px; }
.required { color: var(--clr-gold); margin-left: 2px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; background: #fff; border: 1px solid var(--clr-border);
    border-bottom: 2px solid var(--clr-border); border-radius: 0;
    color: var(--clr-heading); font-family: var(--ff-body); font-size: .95rem;
    padding: 11px 14px; transition: border-color var(--transition); outline: none;
}
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23002349' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-bottom-color: var(--clr-navy); box-shadow: 0 2px 0 0 var(--clr-navy); }
.form-group input::placeholder, .form-group textarea::placeholder { color: #bbb; }
.form-group textarea { resize: vertical; min-height: 140px; }
.field-error { display: block; font-size: .78rem; color: var(--clr-error); margin-top: 4px; }
.char-counter { display: block; font-size: .75rem; color: var(--clr-muted); text-align: right; margin-top: 3px; }
.hp-field { position: absolute; left: -9999px; visibility: hidden; height: 0; overflow: hidden; }
.checkbox-label { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-size: .88rem; color: var(--clr-text); }
.checkbox-label input[type=checkbox] { width: auto; flex-shrink: 0; accent-color: var(--clr-navy); margin-top: 3px; }
.btn-submit { width: 100%; justify-content: center; margin-top: 8px; }
.info-card { background: var(--clr-navy); padding: 28px; margin-bottom: 16px; }
.info-card h3 { font-family: var(--ff-display); font-size: 1.08rem; color: #fff; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--clr-gold-line); }
.info-card-dark { background: var(--clr-gold-pale); border: 1px solid var(--clr-gold-line); }
.info-card-dark h3 { color: var(--clr-navy); border-color: var(--clr-gold-line); }
.info-card-dark p { font-size: .88rem; color: var(--clr-text); margin-bottom: 8px; }
.info-lista { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.info-lista li { display: flex; gap: 12px; align-items: flex-start; }
.info-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.info-lista strong { display: block; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--clr-gold-lt); margin-bottom: 2px; }
.info-lista a, .info-lista span { font-size: .9rem; color: var(--clr-on-navy-2); }
.info-lista a:hover { color: var(--clr-gold-lt); }
.mapa-embed { overflow: hidden; }
.mapa-placeholder { background: var(--clr-navy-mid); border: 1px solid rgba(255,255,255,.08); padding: 32px 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 6px; transition: all var(--transition); }
.mapa-link:hover .mapa-placeholder { border-color: var(--clr-gold-line); }
.mapa-pin { font-size: 1.8rem; }
.mapa-placeholder strong { color: #fff; font-size: .9rem; }
.mapa-placeholder small { font-size: .75rem; color: var(--clr-gold-lt); }

/* ── FOOTER ── */
.site-footer { background: var(--clr-navy-dark); padding: 72px 0 0; border-top: 3px solid var(--clr-gold); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 52px; }
.footer-brand img { margin-bottom: 16px; height: 46px; width: auto; object-fit: contain; }
.footer-tagline { font-size: .84rem; color: var(--clr-on-navy-3); max-width: 220px; line-height: 1.6; }
.footer-nav h3, .footer-contact h3, .footer-map h3 { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--clr-gold-lt); margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--clr-gold-line); }
.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: var(--clr-on-navy-2); font-size: .87rem; }
.footer-nav a:hover { color: var(--clr-gold-lt); }
.footer-contact address { font-style: normal; }
.footer-contact p { display: flex; gap: 8px; align-items: flex-start; font-size: .83rem; margin-bottom: 10px; color: var(--clr-on-navy-2); }
.footer-contact a { color: var(--clr-on-navy-2); }
.footer-contact a:hover { color: var(--clr-gold-lt); }
.footer-contact .icon { font-size: .95rem; flex-shrink: 0; }
.map-placeholder { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); padding: 24px 14px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 5px; transition: all var(--transition); }
.map-link:hover .map-placeholder { border-color: var(--clr-gold-line); }
.map-placeholder span { font-size: .85rem; color: var(--clr-on-navy-2); }
.map-placeholder small { font-size: .75rem; color: var(--clr-gold-lt); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 18px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-bottom p { font-size: .76rem; color: var(--clr-on-navy-3); }
.footer-bottom a { color: var(--clr-on-navy-3); }
.footer-bottom a:hover { color: var(--clr-gold-lt); }

/* ── 404 ── */
.error-page { padding: 180px 0 120px; }
.error-page-inner { text-align: center; }
.error-number { font-family: var(--ff-display); font-size: clamp(6rem, 15vw, 12rem); font-weight: 900; color: rgba(0,35,73,.07); line-height: 1; margin-bottom: 18px; }
.error-page-inner h1 { font-family: var(--ff-display); font-size: 2rem; color: var(--clr-navy); margin-bottom: 14px; }
.error-page-inner p { margin-bottom: 30px; color: var(--clr-muted); }

/* ── Animaciones ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .footer-grid    { grid-template-columns: 1fr 1fr; }
    .stats-grid     { grid-template-columns: repeat(2, 1fr); }
    .porque-grid    { grid-template-columns: 1fr; }
    .porque-imagen  { order: -1; }
    .porque-imagen img { aspect-ratio: 16/9; }
    .porque-badge   { left: auto; right: 16px; bottom: -16px; }
    .conocenos-grid { grid-template-columns: 1fr; }
    .valores-grid   { grid-template-columns: repeat(2, 1fr); }
    .contacto-grid  { grid-template-columns: 1fr; }
    .servicios-grid { grid-template-columns: 1fr; background: none; gap: 2px; }
}
@media (max-width: 768px) {
    .main-nav, .header-cta { display: none; }
    .nav-toggle { display: flex; }
    .main-nav.open { display: flex; position: fixed; inset: 0; background: var(--clr-navy); flex-direction: column; align-items: center; justify-content: center; z-index: 99; }
    .main-nav.open ul { flex-direction: column; align-items: center; gap: 0; width: 100%; }
    .main-nav.open .nav-link { font-size: 1rem; color: var(--clr-on-navy-2); height: auto; padding: 18px 32px; border-bottom: 1px solid rgba(255,255,255,.06); width: 100%; text-align: center; justify-content: center; }
    .main-nav.open .nav-link.active, .main-nav.open .nav-link:hover { color: var(--clr-gold-lt); }
    .proyectos-grid    { grid-template-columns: 1fr; }
    .proyectos-masonry { grid-template-columns: 1fr 1fr; }
    .galeria-grid      { grid-template-columns: repeat(2, 1fr); }
    .form-row          { grid-template-columns: 1fr; }
    .footer-grid       { grid-template-columns: 1fr; }
    .stats-grid        { grid-template-columns: repeat(2, 1fr); }
    .valores-grid      { grid-template-columns: 1fr; }
    .hero-actions      { flex-direction: column; align-items: flex-start; }
    .proyecto-nav      { flex-wrap: wrap; }
    .filtros           { gap: 0; }
}
@media (max-width: 480px) {
    .proyectos-masonry { grid-template-columns: 1fr; }
    .galeria-grid      { grid-template-columns: 1fr; }
    .footer-bottom .container { flex-direction: column; text-align: center; }
    .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
}