/* ============================================
   INVERSIONES CUARTA - Modern Construction Website
   Color Base: #C8102E (Red)
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary-dark: #0a0f1a;
    --primary-darker: #060a12;
    --secondary-dark: #111827;
    --accent-red: #C8102E;
    --accent-red-light: #e0243f;
    --accent-red-glow: rgba(200, 16, 46, 0.3);
    --accent-red-soft: rgba(200, 16, 46, 0.1);
    --text-white: #ffffff;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dark: #334155;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(200, 16, 46, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.1);
    --gradient-dark: linear-gradient(135deg, #0a0f1a 0%, #1a2332 100%);
    --gradient-accent: linear-gradient(135deg, #C8102E 0%, #a00d24 100%);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(200, 16, 46, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

body {
    font-family: var(--font-body);
    background: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Section Shared --- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-red);
    background: var(--accent-red-soft);
    border: 1px solid rgba(200, 16, 46, 0.2);
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-white);
    border-color: var(--accent-red);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-red-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: #0a0f1a;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    padding: 12px 0;
}

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

.nav-logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.nav-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text-white);
    letter-spacing: 3px;
    line-height: 1;
}

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

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.06);
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-white);
    background: var(--gradient-accent);
    padding: 10px 24px;
    border-radius: 50px;
    margin-left: 8px;
}

.nav-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-red-glow);
}

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

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

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 15, 26, 0.7) 0%,
        rgba(10, 15, 26, 0.5) 40%,
        rgba(10, 15, 26, 0.85) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent-red-soft);
    border: 1px solid rgba(200, 16, 46, 0.25);
    padding: 10px 24px;
    border-radius: 50px;
    margin-bottom: 32px;
    font-size: 0.85rem;
    color: var(--accent-red);
    font-weight: 500;
}

.hero-badge i {
    font-size: 1rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    color: var(--text-white);
    line-height: 1.15;
    margin-bottom: 24px;
    text-shadow: 
        -1px -1px 0 #000,  
         1px -1px 0 #000,
        -1px  1px 0 #000,
         1px  1px 0 #000;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.90);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
	text-shadow: 
        -1px -1px 0 #000,  
         1px -1px 0 #000,
        -1px  1px 0 #000,
         1px  1px 0 #000;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 10px;
    background: var(--accent-red);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 120px 0;
    background: var(--primary-dark);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

/* MÁS ESPACIO ENTRE CARDS */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
    align-items: stretch;
}

/* CARD MÁS ANCHA Y LIMPIA */
.about-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;

    /* Mejora visual */
    backdrop-filter: blur(8px);
    min-height: 100%;
}

/* Línea superior hover */
.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.about-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.about-card:hover::before {
    transform: scaleX(1);
}

/* ICONO */
.about-icon {
    width: 72px;
    height: 72px;
    background: var(--accent-red-soft);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    font-size: 1.7rem;
    color: var(--accent-red);
    transition: var(--transition);
}

.about-card:hover .about-icon {
    background: var(--gradient-accent);
    color: var(--text-white);
    transform: scale(1.08);
}

/* TITULO */
.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 22px;
    letter-spacing: 0.3px;
}

/* TEXTO MÁS HORIZONTAL Y LEGIBLE */
.about-card p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.95;

    /* Mejor lectura */
    max-width: 95%;
    margin: 0 auto;

    text-align: justify;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .about-grid {
        gap: 28px;
    }

    .about-card {
        padding: 38px 28px;
    }

    .about-card p {
        max-width: 100%;
        font-size: 0.95rem;
        line-height: 1.8;
    }
}

/* ============================================
   CONÓCENOS - INFORME SINIESTRALIDAD
   ============================================ */
.conocenos {
    padding: 120px 0;
    background: var(--secondary-dark);
    position: relative;
}

.conocenos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.conocenos-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.conocenos-text {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.9;
    margin-bottom: 40px;
    text-align: justify;
}

.conocenos-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.conocenos-stat {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(200, 16, 46, 0.06);
    border: 1px solid rgba(200, 16, 46, 0.15);
    border-radius: var(--radius-md);
    padding: 20px 28px;
    transition: var(--transition);
}

.conocenos-stat:hover {
    border-color: rgba(200, 16, 46, 0.4);
    box-shadow: var(--shadow-glow);
    transform: translateX(4px);
}

.conocenos-stat-label {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 1px;
}

.conocenos-stat-value {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--accent-red);
    letter-spacing: 3px;
}

.conocenos-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.certificado-img {
    width: 80%;
    max-width: 256px;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    transition: transform 0.4s ease;
    background: #fff;
}

.certificado-img:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .conocenos-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .conocenos {
        padding: 80px 0;
    }

    .certificado-img {
        max-width: 100%;
    }
}

/* ============================================
   WHY US - POR QUÉ ELEGIRNOS
   ============================================ */
.why-us {
    padding: 120px 0 100px;
    background: var(--secondary-dark);
    position: relative;
    overflow: hidden;
}

.why-us-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--text-white);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 80px;
    line-height: 1.1;
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.why-us-col {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.why-us-item h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 12px;
    line-height: 1.3;
}

.why-us-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
    text-align: justify;
}

.why-us-left .why-us-item {
    text-align: left;
}

.why-us-right .why-us-item {
    text-align: right;
}

.why-us-right .why-us-item h3 {
    text-align: right;
}

.why-us-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.why-us-building {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    transition: transform 0.5s ease;
}

.why-us-building:hover {
    transform: scale(1.03);
}

.why-us-footer {
    margin-top: 60px;
    text-align: center;
}

.why-us-divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 32px;
}

.why-us-brand .logo-text {
    font-size: 1rem;
    letter-spacing: 4px;
    color: var(--text-muted);
}
/* Contenedor principal de la firma */
.ceo-signature {
    display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin: 40px auto 0;
  text-align: center;
}

/* Estilo de la imagen con el borde blanco característico */
.ceo-image img {
    width: 400px; /* Ajusta el tamaño según prefieras */
    height: auto;
    /*border: none;  Borde blanco grueso de la imagen */
    box-shadow: 0 1px 15px rgba(0,0,0,0.3); /* Sombra suave para dar profundidad */
}

/* Estilos del texto */
.ceo-details {
    text-align: left;
}

.ceo-name {
    color: #ffffff;
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.2;
    font-family: inherit; /* Usará la fuente de tu sitio */
}

.ceo-title {
    color: #ffffff;
    font-size: 1.2rem;
    margin: 5px 0 0 0;
    letter-spacing: 1px;
    opacity: 0.9;
}

/* Ajuste para móviles */
@media (max-width: 600px) {
    .ceo-signature {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    .ceo-details {
        text-align: center;
    }
}
.ceo-image img {
    width: min(300px, 45vw) !important;
  height: auto !important;
 /* Dale una altura fija inicial */
    object-fit: cover; /* Esto evitará que la imagen se deforme */
    display: block;
    background-color: #222; /* Un fondo oscuro mientras carga */
	
-webkit-mask-image: radial-gradient(
    ellipse at center,
    black 68%,
    transparent 100%
  );
  mask-image: radial-gradient(
    ellipse at center,
    black 68%,
    transparent 100%
  );
}


/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 120px 0;
    background: var(--primary-dark);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.service-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.service-card:hover .service-img img {
    transform: scale(1.08);
}

.service-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10, 15, 26, 0.9) 100%);
}

.service-number {
    position: absolute;
    top: 16px;
    right: 16px;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
}

.service-body {
    padding: 32px 28px;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-red-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-red);
    margin-bottom: 16px;
}

.service-body h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

.service-body > p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.service-list li i {
    color: var(--accent-red);
    font-size: 0.7rem;
}

/* ============================================
   STATS
   ============================================ */
.stats {
    padding: 100px 0;
    position: relative;
    background: var(--secondary-dark);
    overflow: hidden;
}

.stats-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(200, 16, 46, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(200, 16, 46, 0.04) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}

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

.stat-icon {
    font-size: 2rem;
    color: var(--accent-red);
    margin-bottom: 16px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-white);
    line-height: 1;
    display: inline;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-red);
    display: inline;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 8px;
    font-weight: 500;
}

/* ============================================
   CLIENTS
   ============================================ */
.clients {
    padding: 100px 0;
    background: var(--primary-dark);
    overflow: hidden;
}

.clients-marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}

.marquee-track {
    display: flex;
    gap: 40px;
    animation: marquee 25s linear infinite;
    width: max-content;
}

.client-logo {
    flex-shrink: 0;
    width: 180px;
    height: 80px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.client-logo:hover {
    border-color: var(--card-hover-border);
    background: var(--accent-red-soft);
}

.client-logo span {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-muted);
    letter-spacing: 2px;
    transition: var(--transition);
}

.client-logo:hover span {
    color: var(--accent-red);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   BROCHURE CTA
   ============================================ */
.brochure {
    padding: 100px 0;
    background: var(--secondary-dark);
}

.brochure-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.08) 0%, rgba(200, 16, 46, 0.03) 100%);
    border: 1px solid rgba(200, 16, 46, 0.15);
    border-radius: var(--radius-xl);
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.brochure-card::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.brochure-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.brochure-content p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
}

.brochure-visual {
    display: flex;
    justify-content: center;
}

.brochure-mockup {
    perspective: 1000px;
}

.mockup-page {
    width: 220px;
    height: 300px;
    background: linear-gradient(135deg, #1a2332, #0f172a);
    border: 1px solid rgba(200, 16, 46, 0.2);
    border-radius: var(--radius-md);
    padding: 24px;
    transform: rotateY(-8deg) rotateX(4deg);
    box-shadow: 20px 20px 60px rgba(0, 0, 0, 0.4);
    transition: transform 0.4s ease;
}

.mockup-page:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    width: 60%;
    height: 12px;
    background: var(--gradient-accent);
    border-radius: 6px;
    margin-bottom: 24px;
}

.mockup-lines {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.mockup-line {
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

.mockup-line.short {
    width: 60%;
}

.mockup-line.medium {
    width: 80%;
}

.mockup-img-placeholder {
    width: 100%;
    height: 80px;
    background: var(--accent-red-soft);
    border: 1px dashed rgba(200, 16, 46, 0.2);
    border-radius: 8px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 120px 0;
    background: var(--primary-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

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

.contact-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    background: var(--accent-red-soft);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-red);
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
}

.form-group input,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 80px 0 0;
    background: var(--primary-darker);
    border-top: 1px solid var(--card-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.footer-logo .logo-text {
    font-size: 1.2rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: var(--text-white);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-red);
    padding-left: 4px;
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact p i {
    color: var(--accent-red);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--card-border);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    /* Fallback: ensure content becomes visible after 2s even if JS fails */
    animation: fadeInFallback 0.5s ease 2s forwards;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

@keyframes fadeInFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .brochure-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px;
    }

    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .why-us-left,
    .why-us-right {
        text-align: center !important;
    }

    .why-us-right .why-us-item {
        text-align: center;
    }

    .why-us-right .why-us-item h3 {
        text-align: center;
    }

    .why-us-left .why-us-item p,
    .why-us-right .why-us-item p {
        text-align: center;
    }

    .why-us-center {
        order: -1;
    }

    .why-us-building {
        max-width: 320px;
    }
}
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 15, 26, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 16px;
        padding: 40px;
        transition: right 0.4s ease;
        border-left: 1px solid var(--card-border);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1rem;
        padding: 12px 16px;
    }

    .nav-btn {
        margin-left: 0;
        justify-content: center;
    }


    .hero-title {
        font-size: clamp(1.8rem, 6vw, 2.8rem);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .brochure-card {
        padding: 32px 24px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .about,
    .services,
    .contact {
        padding: 80px 0;
    }

    .stats,
    .clients,
    .brochure {
        padding: 60px 0;
    }

    .why-us {
        padding: 80px 0 60px;
    }

    .why-us-title {
        font-size: clamp(1.6rem, 5vw, 2.5rem);
        margin-bottom: 48px;
    }
}

@media (max-width: 480px) {
    .stat-number {
        font-size: 2.2rem;
    }

    .stat-card {
        padding: 24px 16px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .logo-text {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }
}

/* =========================================================
   FIX V4 FINAL - NAVBAR + MENÚ RESPONSIVE SIN DEPENDER DE JS
   - Desktop: navbar siempre con fondo sólido/translúcido, también en scroll.
   - Mobile: menú se abre con checkbox + label, funciona aunque script.js falle.
   - Se anulan reglas anteriores de off-canvas/dropdown conflictivas.
   ========================================================= */
html,
body {
  width: 100% !important;
  max-width: 100% !important;
  overflow-x: hidden !important;
}

.navbar,
.navbar.scrolled {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  z-index: 9999 !important;
  background: rgba(10, 15, 26, 0.96) !important;
  backdrop-filter: blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28) !important;
  padding: 12px 0 !important;
}

.nav-container {
  position: relative !important;
  width: 100% !important;
  max-width: 1200px !important;
  margin: 0 auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
}

.nav-toggle-checkbox {
  position: absolute !important;
  opacity: 0 !important;
  width: 1px !important;
  height: 1px !important;
  pointer-events: none !important;
}

/* Escritorio: menú normal visible */
.nav-menu {
  display: flex !important;
  position: static !important;
  width: auto !important;
  height: auto !important;
  min-height: 0 !important;
  max-width: none !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: none !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 8px !important;
}

.nav-toggle {
  display: none !important;
}

@media (max-width: 768px) {
  .navbar,
  .navbar.scrolled {
    padding: 10px 0 !important;
  }

  .nav-container {
    max-width: none !important;
    padding: 0 14px !important;
  }

  .nav-logo {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    max-width: calc(100% - 56px) !important;
  }

  .nav-logo-img {
    height: 32px !important;
    flex: 0 0 auto !important;
  }

  .logo-text {
    font-size: clamp(0.72rem, 3.8vw, 1rem) !important;
    letter-spacing: 1px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .nav-toggle {
    display: inline-flex !important;
    width: 44px !important;
    height: 44px !important;
    flex: 0 0 44px !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
    z-index: 10001 !important;
    cursor: pointer !important;
    background: transparent !important;
    border: 0 !important;
  }

  /* Mobile cerrado */
  .nav-menu {
    display: none !important;
    position: absolute !important;
    top: calc(100% + 10px) !important;
    left: 14px !important;
    right: 14px !important;
    width: auto !important;
    height: auto !important;
    min-height: 0 !important;
    max-width: none !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 6px !important;
    padding: 12px !important;
    background: #0a0f1a !important;
    border: 1px solid rgba(255, 255, 255, 0.10) !important;
    border-radius: 16px !important;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.48) !important;
    z-index: 10000 !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
  }

  /* Mobile abierto: selector CSS, no depende de JavaScript */
  #navToggleInput:checked ~ .nav-menu {
    display: flex !important;
  }

  #navToggleInput:checked + .nav-toggle .hamburger {
    background: transparent !important;
  }

  #navToggleInput:checked + .nav-toggle .hamburger::before {
    top: 0 !important;
    transform: rotate(45deg) !important;
  }

  #navToggleInput:checked + .nav-toggle .hamburger::after {
    top: 0 !important;
    transform: rotate(-45deg) !important;
  }

  .nav-menu li {
    width: 100% !important;
  }

  .nav-link {
    display: block !important;
    width: 100% !important;
    text-align: left !important;
    padding: 13px 14px !important;
    font-size: 0.95rem !important;
    color: var(--text-light) !important;
    border-radius: 10px !important;
  }

  .nav-link:hover,
  .nav-link.active {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.08) !important;
  }

  .hero,
  .hero-bg,
  .hero-bg-img {
    width: 100% !important;
    max-width: 100% !important;
  }

  .hero-bg-img {
    object-fit: cover !important;
    transform: none !important;
  }
}

@media (max-width: 420px) {
  .nav-container {
    padding: 0 10px !important;
  }

  .nav-logo-img {
    height: 30px !important;
  }

  .logo-text {
    font-size: 0.72rem !important;
    letter-spacing: 0.8px !important;
  }
}