/* ==========================================================================
   VARIABLES Y CONFIGURACIÓN RAÍZ
   ========================================================================== */
:root {
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F8F9FA;
    --color-bg-tertiary: #F1F3F5;
    --color-text-main: #1A1A1A;
    --color-text-muted: #666666;
    --color-text-light: #999999;
    --color-border: #E5E5E5;
    --color-accent: #111111;
    --color-whatsapp: #25D366;

    --font-sans: 'Montserrat', sans-serif;
    --font-serif: 'Playfair Display', serif;

    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    --max-width: 1200px;
}

/* ==========================================================================
   RESET & ESTILOS BASE
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-main);
    line-height: 1.6;
    font-weight: 300;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

section {
    padding: 140px 0;
    position: relative;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

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

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

/* ==========================================================================
   COMPONENTES DE DISEÑO / BOTONES
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

.btn-text {
    padding: 16px 0;
    color: var(--color-text-main);
    border-bottom: 1px solid var(--color-text-main);
}

.btn-text:hover {
    color: var(--color-text-muted);
    border-bottom-color: var(--color-text-muted);
    padding-left: 8px;
}

.btn-white-whatsapp {
    background-color: var(--color-bg-primary);
    color: var(--color-text-main);
    font-weight: 600;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.btn-white-whatsapp:hover {
    background-color: var(--color-whatsapp);
    color: var(--color-bg-primary);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.2);
}

/* Componentes de Encabezado de Sección */
.section-header {
    margin-bottom: 80px;
    max-width: 600px;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-light);
    display: block;
    margin-bottom: 16px;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-sans);
    font-size: 2.8rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 24px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   HEADER / NAVEGACIÓN
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    background-color: transparent;
    padding: 30px 0;
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 18px 0;
    box-shadow: 0 1px 0px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-svg {
    height: 24px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-text-main);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-cta-mobile {
    display: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 140px;
    background-color: var(--color-bg-secondary);
    overflow: hidden;
}

.hero-bg-texture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
    background-image: radial-gradient(var(--color-border) 1px, transparent 0);
    background-size: 24px 24px;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-subtitle {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    display: block;
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-sans);
    font-size: 4.2rem;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin-bottom: 30px;
}

.hero-title em {
    font-family: var(--font-sans);
    font-style: normal;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 520px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 30px;
}

.hero-image-wrapper {
    position: relative;
    height: 600px;
    overflow: hidden;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.04);
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 60%, rgba(248, 249, 25A, 1) 100%);
    z-index: 2;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(10%) contrast(102%);
    transition: transform 12s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-section:hover .hero-img {
    transform: scale(1.05);
}

/* ==========================================================================
   SECCIÓN SERVICIOS
   ========================================================================== */
.services-section {
    background-color: var(--color-bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03);
    border-color: var(--color-text-light);
}

.service-image-box {
    position: relative;
    height: 240px;
    overflow: hidden;
    background-color: var(--color-bg-tertiary);
}

.service-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
    transition: var(--transition-smooth);
}

.service-card:hover .service-image-box img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.service-info {
    padding: 40px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-info h3 {
    font-family: var(--font-sans);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.service-info p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 30px;
    flex-grow: 1;
}

.service-tags {
    list-style: none;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.service-tags li {
    font-size: 0.8rem;
    color: var(--color-text-main);
    font-weight: 400;
    position: relative;
    padding-left: 12px;
}

.service-tags li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--color-text-light);
    border-radius: 50%;
}

/* ==========================================================================
   SECCIÓN OBRAS SOCIALES
   ========================================================================== */
.insurance-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.insurance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.insurance-item {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.insurance-item span {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.insurance-item:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-primary);
}

.insurance-item:hover span {
    color: var(--color-text-main);
}

/* ==========================================================================
   SECCIÓN CTA (TURNOS)
   ========================================================================== */
.cta-section {
    padding: 100px 0;
    background-color: var(--color-bg-primary);
}

.cta-box {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    padding: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
}

.cta-content h2 {
    font-family: var(--font-sans);
    font-size: 2.8rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
    max-width: 600px;
}

.cta-content p {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 500px;
}

.cta-action-button {
    flex-shrink: 0;
}

/* ==========================================================================
   CONTACTO & MAPA
   ========================================================================== */
.contact-section {
    background-color: var(--color-bg-primary);
    padding-bottom: 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: stretch;
}

.contact-info-panel {
    padding-bottom: 140px;
}

.contact-lead {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 60px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.detail-item {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 24px;
}

.detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    display: block;
    margin-bottom: 8px;
}

.detail-value {
    font-size: 1.2rem;
    font-weight: 400;
}

.detail-value a {
    transition: var(--transition-fast);
}

.detail-value a:hover {
    color: var(--color-text-muted);
}

.map-panel {
    min-height: 500px;
    background-color: var(--color-bg-secondary);
    position: relative;
    filter: grayscale(100%) contrast(105%) invert(3%);
    transition: var(--transition-smooth);
}

.map-panel:hover {
    filter: grayscale(30%) contrast(100%);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    background-color: var(--color-bg-primary);
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-footer {
    height: 18px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.footer-meta {
    text-align: right;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-meta p:first-child {
    font-weight: 400;
    color: var(--color-text-main);
    margin-bottom: 4px;
}

/* ==========================================================================
   ANIMACIONES DE REVELACIÓN (SCROLL)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.2rem;
    }

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

    .insurance-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-box {
        padding: 60px;
        flex-direction: column;
        text-align: center;
    }

    .cta-content h2 {
        max-width: 100%;
    }

    .cta-content p {
        max-width: 100%;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 100px 0;
    }

    .container {
        padding: 0 24px;
    }

    /* Menú Hamburguesa Mobile */
    .nav-toggle {
        display: block;
        z-index: 1100;
    }

    .hamburger,
    .hamburger::before,
    .hamburger::after {
        content: '';
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--color-text-main);
        transition: var(--transition-fast);
    }

    .hamburger::before {
        transform: translateY(-6px);
    }

    .hamburger::after {
        transform: translateY(4px);
    }

    .site-header.nav-open .hamburger {
        background-color: transparent;
    }

    .site-header.nav-open .hamburger::before {
        transform: translateY(0) rotate(45deg);
    }

    .site-header.nav-open .hamburger::after {
        transform: translateY(-2px) rotate(-45deg);
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg-primary);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition-smooth);
        z-index: 1000;
        padding: 40px;
    }

    .site-header.nav-open .main-nav {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
        margin-bottom: 40px;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .nav-cta-mobile {
        display: block;
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    .nav-cta-mobile .btn {
        width: 100%;
    }

    .header-cta {
        display: none;
    }

    /* Layouts a una sola columna */
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-image-wrapper {
        height: 400px;
        order: -1;
    }

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

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

    .full-width-mobile {
        grid-column: span 2;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-info-panel {
        padding-bottom: 60px;
    }

    .map-panel {
        height: 400px;
        margin: 0 -24px;
    }

    .footer-container {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .footer-meta {
        text-align: center;
    }
}