/* VARIABLES */
:root {
    --gris-oscuro: #2C3E50;
    --gris-medio: #34495E;
    --gris-claro: #7F8C8D;
    --azul: #3498DB;
    --azul-oscuro: #2C5F8D;
    --blanco: #FFFFFF;
    --negro: #1A1A1A;
    --beige-claro: #F8F9FA;
}

/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: var(--blanco);
    color: var(--negro);
    line-height: 1.6;
}

/* HEADER */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(44, 62, 80, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 26px;
    font-weight: 900;
    color: var(--azul);
    letter-spacing: -1px;
}

.logo span {
    color: var(--blanco);
    font-weight: 300;
}

nav {
    display: flex;
    gap: 35px;
}

nav a {
    text-decoration: none;
    color: var(--blanco);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--azul);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--azul);
    font-weight: 900;
    font-size: 18px;
}

/* HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 40px 80px;
    background: linear-gradient(135deg, var(--gris-oscuro) 0%, var(--gris-medio) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '🏗️';
    position: absolute;
    font-size: 500px;
    opacity: 0.03;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 10px 28px;
    background: var(--azul);
    color: var(--blanco);
    border-radius: 30px;
    font-size: 13px;
    letter-spacing: 2px;
    font-weight: 700;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 68px;
    font-weight: 900;
    color: var(--blanco);
    margin-bottom: 25px;
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero h1 span {
    color: var(--azul);
    display: block;
}

.hero p {
    font-size: 20px;
    color: var(--gris-claro);
    max-width: 700px;
    margin: 0 auto 50px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    padding: 20px 50px;
    background: var(--azul);
    color: var(--blanco);
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.4);
}

.btn-primary:hover {
    background: var(--azul-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(52, 152, 219, 0.6);
}

.btn-secondary {
    display: inline-block;
    padding: 20px 50px;
    background: transparent;
    color: var(--blanco);
    text-decoration: none;
    border: 2px solid var(--blanco);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--blanco);
    color: var(--gris-oscuro);
}

/* ESTADÍSTICAS HERO */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-top: 80px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 52px;
    font-weight: 900;
    color: var(--azul);
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gris-claro);
    font-weight: 600;
}

/* SECCIÓN SERVICIOS */
.servicios {
    padding: 120px 60px;
    background: var(--blanco);
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
}

.section-title h2 {
    font-size: 48px;
    font-weight: 900;
    color: var(--gris-oscuro);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-title p {
    font-size: 18px;
    color: var(--gris-claro);
    max-width: 700px;
    margin: 0 auto;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.servicio-card {
    background: var(--beige-claro);
    border-radius: 16px;
    padding: 50px 40px;
    transition: all 0.4s;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--azul);
    transform: scaleY(0);
    transition: transform 0.3s;
}

.servicio-card:hover::before {
    transform: scaleY(1);
}

.servicio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(44, 62, 80, 0.15);
    border-color: var(--azul);
}

.servicio-icon {
    font-size: 56px;
    margin-bottom: 25px;
    display: block;
}

.servicio-card h3 {
    font-size: 26px;
    color: var(--gris-oscuro);
    margin-bottom: 15px;
    font-weight: 900;
}

.servicio-card p {
    font-size: 16px;
    color: var(--gris-medio);
    line-height: 1.7;
    margin-bottom: 25px;
}

.servicio-precio {
    font-size: 14px;
    color: var(--azul);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* GALERÍA ANTES/DESPUÉS */
.galeria {
    padding: 120px 60px;
    background: var(--gris-oscuro);
}

.galeria .section-title h2 {
    color: var(--blanco);
}

.galeria .section-title p {
    color: var(--gris-claro);
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
}

.galeria-item {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.galeria-item:hover img {
    transform: scale(1.1);
}

.galeria-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(52, 152, 219, 0.95), transparent);
    padding: 30px;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.galeria-item:hover .galeria-overlay {
    transform: translateY(0);
}

.galeria-label {
    color: var(--blanco);
    font-size: 16px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.galeria-desc {
    color: var(--blanco);
    font-size: 14px;
    opacity: 0.9;
}

/* PROCESO */
.proceso {
    padding: 120px 60px;
    background: var(--beige-claro);
}

.proceso-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.step-item {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--azul);
    color: var(--blanco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 900;
    margin: 0 auto 25px;
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.3);
}

.step-item h3 {
    font-size: 18px;
    color: var(--gris-oscuro);
    margin-bottom: 12px;
    font-weight: 900;
}

.step-item p {
    font-size: 14px;
    color: var(--gris-medio);
    line-height: 1.6;
}

/* GARANTÍA */
.garantia {
    padding: 100px 60px;
    background: var(--azul);
    text-align: center;
}

.garantia-content {
    max-width: 900px;
    margin: 0 auto;
}

.garantia h2 {
    font-size: 52px;
    font-weight: 900;
    color: var(--blanco);
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.garantia p {
    font-size: 20px;
    color: var(--blanco);
    line-height: 1.8;
    margin-bottom: 30px;
}

.garantia-lista {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.garantia-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 30px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.garantia-item h4 {
    font-size: 18px;
    color: var(--blanco);
    font-weight: 900;
    margin-bottom: 10px;
}

.garantia-item p {
    font-size: 14px;
    color: var(--blanco);
    opacity: 0.95;
    margin: 0;
}

/* TESTIMONIOS */
.testimonios {
    padding: 120px 60px;
    background: var(--blanco);
}

.testimonios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.testimonio-card {
    background: var(--beige-claro);
    padding: 40px;
    border-radius: 16px;
    position: relative;
    border-left: 4px solid var(--azul);
}

.testimonio-stars {
    color: var(--azul);
    font-size: 20px;
    margin-bottom: 20px;
}

.testimonio-text {
    font-size: 15px;
    color: var(--gris-medio);
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonio-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonio-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--azul);
    color: var(--blanco);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 20px;
}

.testimonio-info h4 {
    font-size: 16px;
    color: var(--gris-oscuro);
    font-weight: 900;
    margin-bottom: 3px;
}

.testimonio-info p {
    font-size: 13px;
    color: var(--gris-claro);
}

/* FAQ */
.faq {
    padding: 120px 60px;
    background: var(--beige-claro);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--blanco);
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 25px 30px;
    font-size: 18px;
    font-weight: 900;
    color: var(--gris-oscuro);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--beige-claro);
}

.faq-question::after {
    content: '+';
    font-size: 28px;
    color: var(--azul);
    font-weight: 900;
}

.faq-answer {
    padding: 0 30px 25px;
    font-size: 15px;
    color: var(--gris-medio);
    line-height: 1.8;
}

/* CTA FINAL */
.cta-final {
    padding: 120px 60px;
    background: var(--gris-oscuro);
    text-align: center;
}

.cta-final h2 {
    font-size: 56px;
    font-weight: 900;
    color: var(--blanco);
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.cta-final h2 span {
    color: var(--azul);
}

.cta-final p {
    font-size: 20px;
    color: var(--gris-claro);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.cta-form input,
.cta-form textarea,
.cta-form select {
    padding: 18px 25px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--blanco);
    transition: all 0.3s;
}

.cta-form input::placeholder,
.cta-form textarea::placeholder {
    color: var(--gris-claro);
}

.cta-form input:focus,
.cta-form textarea:focus,
.cta-form select:focus {
    outline: none;
    border-color: var(--azul);
    background: rgba(255, 255, 255, 0.15);
}

.cta-form textarea {
    resize: vertical;
    min-height: 120px;
}

.cta-form button {
    padding: 22px 50px;
    background: var(--azul);
    color: var(--blanco);
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.4);
}

.cta-form button:hover {
    background: var(--azul-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(52, 152, 219, 0.6);
}

.cta-contacto-alternativo {
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-contacto-alternativo p {
    font-size: 16px;
    margin-bottom: 25px;
}

.cta-contacto-metodos {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.contacto-metodo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--blanco);
    text-decoration: none;
    font-size: 18px;
    font-weight: 900;
    transition: color 0.3s;
}

.contacto-metodo:hover {
    color: var(--azul);
}

/* FOOTER */
footer {
    background: var(--gris-medio);
    color: var(--gris-claro);
    padding: 60px 60px 30px;
    text-align: center;
}

.footer-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-stat-item {
    text-align: center;
}

.footer-stat-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--azul);
    display: block;
    margin-bottom: 12px;
}

.footer-stat-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.8;
    font-weight: 600;
}

.footer-info p {
    font-size: 14px;
    line-height: 2;
    opacity: 0.7;
}

.footer-info a {
    color: var(--azul);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-info a:hover {
    color: var(--blanco);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    header {
        padding: 20px 30px;
    }

    nav {
        display: none;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-stats,
    .servicios-grid,
    .galeria-grid,
    .proceso-steps,
    .garantia-lista,
    .testimonios-grid,
    .footer-stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .servicios,
    .galeria,
    .proceso,
    .testimonios,
    .faq,
    .cta-final,
    footer {
        padding: 60px 30px;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}

/* FOOTER LEGAL LINKS */
.footer-legal {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 15px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.footer-legal a {
    color: var(--gris-claro);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s;
}

.footer-legal a:hover {
    color: var(--azul);
}

.footer-legal span {
    color: var(--gris-claro);
    opacity: 0.5;
}

/* PÁGINAS LEGALES */
.legal-page {
    min-height: 100vh;
    background: var(--beige-claro);
    padding: 140px 40px 80px;
}

.legal-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--blanco);
    padding: 60px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.legal-container h1 {
    font-size: 42px;
    font-weight: 900;
    color: var(--gris-oscuro);
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--azul);
}

.legal-container h2 {
    font-size: 24px;
    font-weight: 900;
    color: var(--gris-oscuro);
    margin-top: 40px;
    margin-bottom: 20px;
}

.legal-container h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gris-medio);
    margin-top: 25px;
    margin-bottom: 15px;
}

.legal-container section {
    margin-bottom: 40px;
}

.legal-container p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gris-medio);
    margin-bottom: 15px;
}

.legal-container ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

.legal-container li {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gris-medio);
    margin-bottom: 10px;
}

.legal-container a {
    color: var(--azul);
    text-decoration: underline;
    transition: color 0.3s;
}

.legal-container a:hover {
    color: var(--azul-oscuro);
}

.legal-container strong {
    color: var(--gris-oscuro);
    font-weight: 700;
}

.legal-back {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 2px solid var(--beige-claro);
    text-align: center;
}

.legal-back .btn-primary {
    color: var(--blanco);
    background: var(--azul);
}

.legal-back .btn-primary:hover {
    color: var(--blanco);
    background: var(--azul-oscuro);
}

/* RESPONSIVE PÁGINAS LEGALES */
@media (max-width: 768px) {
    .legal-page {
        padding: 100px 20px 60px;
    }

    .legal-container {
        padding: 40px 30px;
    }

    .legal-container h1 {
        font-size: 32px;
    }

    .legal-container h2 {
        font-size: 20px;
    }

    .footer-legal {
        flex-direction: column;
        gap: 10px;
    }

    .footer-legal span {
        display: none;
    }
}

/* DEMO WARNING BANNER */
.demo-warning {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
    padding: 20px 25px;
    margin-bottom: 40px;
    color: #856404;
    font-size: 15px;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.demo-warning strong {
    color: #856404;
    font-weight: 900;
}