/* ============================================
   ABC SAC — Estilos principales
   Estética: industrial-moderna, bold, naranja-acero
   ============================================ */

:root {
    --naranja: #D4500A;
    --naranja-oscuro: #A33D07;
    --naranja-claro: #F26522;
    --negro: #0F0F0F;
    --gris-oscuro: #1C1C1C;
    --gris-medio: #3A3A3A;
    --gris-claro: #8A8A8A;
    --gris-borde: #D8D8D8;
    --gris-fondo: #F4F2EF;
    --blanco: #FFFFFF;
    --acero: #2C3E50;
    --font-display: 'Barlow Condensed', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 40px rgba(212,80,10,0.15);
    --radius: 4px;
    --radius-lg: 8px;
    --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* TIPOGRAFÍA */
h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.section-label {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--naranja);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0.75rem;
}
.section-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--naranja);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--negro);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gris-claro);
    font-weight: 400;
    max-width: 560px;
    line-height: 1.7;
}

/* LAYOUT */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 64px 0; }

/* ============================
   NAVEGACIÓN
   ============================ */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: rgba(15,15,15,0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-mark {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--naranja);
    line-height: 1;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--blanco);
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logo-text small {
    font-weight: 400;
    font-size: 0.7rem;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.75);
    padding: 8px 14px;
    border-radius: var(--radius);
    transition: color var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--naranja-claro);
}

.nav-cta {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: var(--naranja);
    color: var(--blanco) !important;
    padding: 10px 22px;
    border-radius: var(--radius);
    transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
    background: var(--naranja-claro);
    transform: translateY(-1px);
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--blanco);
    transition: var(--transition);
}

/* ============================
   HERO
   ============================ */
.hero {
    min-height: 100vh;
    background: var(--negro);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(212,80,10,0.12) 0%, transparent 50%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 60px,
            rgba(255,255,255,0.015) 60px,
            rgba(255,255,255,0.015) 61px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 60px,
            rgba(255,255,255,0.015) 60px,
            rgba(255,255,255,0.015) 61px
        );
}

.hero-accent {
    position: absolute;
    right: 0;
    top: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(212,80,10,0.06) 100%);
    clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content { }

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(212,80,10,0.15);
    border: 1px solid rgba(212,80,10,0.3);
    color: var(--naranja-claro);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 2px;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 800;
    color: var(--blanco);
    line-height: 1.0;
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--naranja);
    display: block;
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 480px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--naranja);
    color: var(--blanco);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--naranja-claro);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212,80,10,0.35);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: rgba(255,255,255,0.8);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.25);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-outline:hover {
    border-color: var(--naranja);
    color: var(--naranja-claro);
}

/* Hero stats card */
.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.hero-stat {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    transition: border-color var(--transition), background var(--transition);
}

.hero-stat:hover {
    border-color: rgba(212,80,10,0.4);
    background: rgba(212,80,10,0.05);
}

.hero-stat-num {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--naranja);
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.03em;
}

/* ============================
   SERVICIOS HOME
   ============================ */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2px;
    margin-top: 60px;
    background: var(--gris-borde);
}

.servicio-card {
    background: var(--blanco);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition);
    cursor: default;
}

.servicio-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--naranja);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.servicio-card:hover::after { transform: scaleX(1); }
.servicio-card:hover { transform: translateY(-4px); }

.servicio-icono {
    width: 52px;
    height: 52px;
    background: var(--gris-fondo);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.servicio-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--negro);
}

.servicio-card p {
    font-size: 0.9rem;
    color: var(--gris-claro);
    line-height: 1.7;
}

.servicio-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 1.25rem;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--naranja);
}

.servicio-link::after {
    content: '→';
    transition: transform var(--transition);
}

.servicio-card:hover .servicio-link::after {
    transform: translateX(4px);
}

/* ============================
   STATS BAND
   ============================ */
.stats-band {
    background: var(--negro);
    padding: 64px 0;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.stat-item {
    text-align: center;
    padding: 32px 24px;
    border-right: 1px solid rgba(255,255,255,0.08);
}

.stat-item:last-child { border-right: none; }

.stat-num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--naranja);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ============================
   POR QUÉ ELEGIRNOS
   ============================ */
.porque-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-top: 60px;
}

.porque-lista { display: flex; flex-direction: column; gap: 24px; }

.porque-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.porque-icono {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--naranja);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.porque-item h4 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.porque-item p { font-size: 0.9rem; color: var(--gris-claro); }

.porque-visual {
    background: var(--gris-fondo);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.porque-cert {
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.cert-badge {
    width: 44px;
    height: 44px;
    background: var(--negro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--naranja);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 0;
    text-align: center;
    line-height: 1.1;
}

.cert-info h5 { font-size: 0.95rem; margin-bottom: 2px; }
.cert-info p { font-size: 0.8rem; color: var(--gris-claro); }

/* ============================
   CTA BAND
   ============================ */
.cta-band {
    background: var(--naranja);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 20px,
        rgba(0,0,0,0.04) 20px,
        rgba(0,0,0,0.04) 21px
    );
}

.cta-band .container { position: relative; z-index: 1; }

.cta-band h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--blanco);
    margin-bottom: 1rem;
}

.cta-band p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2.5rem;
}

.btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blanco);
    color: var(--naranja);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 16px 36px;
    border-radius: var(--radius);
    transition: all var(--transition);
    text-decoration: none;
}

.btn-white:hover {
    background: var(--negro);
    color: var(--blanco);
    transform: translateY(-2px);
}

/* ============================
   PAGE HERO (subpáginas)
   ============================ */
.page-hero {
    background: var(--negro);
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--naranja);
}

.page-hero-inner { position: relative; z-index: 1; }

.page-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--blanco);
    margin-bottom: 1rem;
}

.page-hero h1 span { color: var(--naranja); }

.page-hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.55);
    max-width: 600px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.breadcrumb a { color: rgba(255,255,255,0.4); }
.breadcrumb a:hover { color: var(--naranja); }
.breadcrumb span { color: var(--naranja); }

/* ============================
   SERVICIOS PAGE
   ============================ */
.servicios-list { display: flex; flex-direction: column; gap: 48px; margin-top: 60px; }

.servicio-detalle {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 48px;
    padding: 48px;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.servicio-detalle:hover {
    border-color: var(--naranja);
    box-shadow: var(--shadow-hover);
}

.servicio-detalle-header { }

.servicio-icono-lg {
    width: 72px;
    height: 72px;
    background: var(--gris-fondo);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.servicio-detalle-header h2 {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
}

.servicio-detalle-header p { font-size: 0.9rem; color: var(--gris-claro); line-height: 1.7; }

.servicio-detalle-body h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--gris-medio);
}

.servicio-detalle-body p { font-size: 0.95rem; color: var(--gris-claro); line-height: 1.8; margin-bottom: 1.5rem; }

.servicio-items { display: flex; flex-direction: column; gap: 8px; }

.servicio-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--gris-medio);
}

.servicio-item::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--naranja);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================
   PROYECTOS
   ============================ */
.proyectos-filtros {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.filtro-btn {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 18px;
    border: 1px solid var(--gris-borde);
    border-radius: 2px;
    background: none;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--gris-claro);
}

.filtro-btn.active, .filtro-btn:hover {
    background: var(--negro);
    color: var(--blanco);
    border-color: var(--negro);
}

.proyectos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.proyecto-card {
    border: 1px solid var(--gris-borde);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.proyecto-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--naranja);
}

.proyecto-thumb {
    height: 200px;
    background: var(--gris-fondo);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.proyecto-thumb::after {
    content: attr(data-categoria);
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--negro);
    color: var(--blanco);
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 2px;
}

.proyecto-body { padding: 24px; }

.proyecto-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.8rem;
    color: var(--gris-claro);
}

.proyecto-body h3 { font-size: 1.3rem; margin-bottom: 8px; }
.proyecto-body p { font-size: 0.88rem; color: var(--gris-claro); line-height: 1.7; }

.proyecto-tags {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.tag {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 2px;
}

.tag-naranja { background: #FEF0E8; color: var(--naranja); }
.tag-azul { background: #E8F0FE; color: #1D4ED8; }
.tag-verde { background: #E8F5E9; color: #1B7A2E; }
.tag-celeste { background: #E8F4F8; color: #0C6E94; }
.tag-rojo { background: #FDEDED; color: #B91C1C; }
.tag-gris { background: #F1F1F1; color: #4A4A4A; }

/* ============================
   NOSOTROS
   ============================ */
.equipo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 60px;
}

.equipo-card {
    border: 1px solid var(--gris-borde);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}

.equipo-card:hover {
    border-color: var(--naranja);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.equipo-avatar {
    width: 80px;
    height: 80px;
    background: var(--negro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--naranja);
    margin: 0 auto 1rem;
}

.equipo-card h3 { font-size: 1.15rem; margin-bottom: 4px; }
.equipo-cargo { font-size: 0.82rem; color: var(--naranja); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 1rem; }
.equipo-card p { font-size: 0.88rem; color: var(--gris-claro); line-height: 1.7; }

.valores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.valor-card {
    background: var(--gris-fondo);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
}

.valor-icono { font-size: 2rem; margin-bottom: 1rem; }
.valor-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.valor-card p { font-size: 0.88rem; color: var(--gris-claro); line-height: 1.7; }

.clientes-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 48px;
}

.cliente-pill {
    background: var(--gris-fondo);
    border: 1px solid var(--gris-borde);
    border-radius: 100px;
    padding: 8px 20px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gris-medio);
}

/* ============================
   CONTACTO
   ============================ */
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 60px;
}

.contacto-info h3 { font-size: 1.4rem; margin-bottom: 1.5rem; }

.contacto-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contacto-icono {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--gris-fondo);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.contacto-item h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--naranja); margin-bottom: 4px; }
.contacto-item p { font-size: 0.9rem; color: var(--gris-claro); }

.form-card {
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gris-medio);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--negro);
    background: var(--blanco);
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--naranja);
    box-shadow: 0 0 0 3px rgba(212,80,10,0.1);
}

.form-group textarea { resize: vertical; min-height: 140px; }

.form-btn {
    width: 100%;
    padding: 15px;
    background: var(--naranja);
    color: var(--blanco);
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}

.form-btn:hover {
    background: var(--naranja-claro);
    transform: translateY(-1px);
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-success { background: #E8F5E9; border: 1px solid #4CAF50; color: #1B5E20; }
.alert-error { background: #FDEDED; border: 1px solid #EF5350; color: #7F0000; }

/* ============================
   FOOTER
   ============================ */
.site-footer {
    background: var(--gris-oscuro);
    color: rgba(255,255,255,0.6);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 24px 48px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
}

.footer-brand p { font-size: 0.88rem; line-height: 1.8; margin-top: 1rem; }

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.5rem;
}

.footer-links h4, .footer-contact h4 {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blanco);
    margin-bottom: 1.25rem;
}

.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.88rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--naranja); }

.footer-contact p { font-size: 0.88rem; margin-bottom: 8px; line-height: 1.5; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
}

.footer-demo {
    background: rgba(212,80,10,0.2);
    color: var(--naranja-claro) !important;
    padding: 4px 12px;
    border-radius: 100px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.75rem !important;
    letter-spacing: 0.06em;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .porque-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 72px; left: 0; right: 0; bottom: 0;
        background: var(--negro);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        z-index: 999;
    }

    .nav-links.open { display: flex; }
    .nav-toggle { display: flex; }

    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-stats { display: none; }
    .hero-btns { justify-content: center; }
    .hero-desc { margin: 0 auto 2.5rem; }

    .stats-row { grid-template-columns: repeat(2, 1fr); }

    .contacto-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }

    .servicio-detalle { grid-template-columns: 1fr; padding: 28px; }

    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
    .section-pad { padding: 64px 0; }
    .stats-row { grid-template-columns: 1fr 1fr; }
}

/* ANIMACIONES de entrada */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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