/* =============================================
   PROSPECTA MÉDICO LEGAL — Estilos Corporativos
   Paleta: Azul #1B3A5C | Azul medio #295280 | Gris #4A4A4A | Blanco #FFFFFF
   Estilo: McKinsey/Bain — Profesional, limpio, confiable
   ============================================= */

:root {
    --azul-oscuro: #1B3A5C;
    --azul-medio: #295280;
    --azul-claro: #3A6EA5;
    --gris-oscuro: #4A4A4A;
    --gris-medio: #6B7280;
    --gris-claro: #F3F4F6;
    --blanco: #FFFFFF;
    --negro: #111827;
    --dorado: #B8860B;
    --whatsapp: #25D366;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--negro);
    line-height: 1.7;
    background: var(--blanco);
}

/* ===== UTILIDADES ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--gris-claro);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gris-medio);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== HEADER / HERO ===== */
.hero {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
    color: var(--blanco);
    padding: 5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
}

.hero-logo-img {
    width: min(100%, 400px);
    height: auto;
    margin-bottom: 2rem;
    filter: brightness(0) invert(1);
}

.hero-description {
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    opacity: 0.9;
}

.hero-cta {
    display: inline-block;
    background: var(--blanco);
    color: var(--azul-oscuro);
    padding: 0.9rem 2.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

/* ===== NAVEGACIÓN ===== */
nav {
    background: var(--blanco);
    border-bottom: 1px solid #E5E7EB;
    padding: 1.2rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

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

.nav-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    text-decoration: none;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 80px;
    max-width: 100%;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--gris-oscuro);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--azul-oscuro);
    cursor: pointer;
}

/* ===== ENFOQUE ===== */
.enfoque-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 2rem;
}

.enfoque-card {
    background: var(--blanco);
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    padding: 2.5rem;
    transition: box-shadow 0.3s;
}

.enfoque-card:hover {
    box-shadow: 0 10px 30px rgba(27,58,92,0.08);
}

.enfoque-card h3 {
    color: var(--azul-oscuro);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.enfoque-card .badge {
    display: inline-block;
    background: var(--azul-oscuro);
    color: var(--blanco);
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.enfoque-card p {
    color: var(--gris-oscuro);
    font-size: 0.95rem;
}

/* ===== SERVICIOS ===== */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background: var(--blanco);
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    padding: 2rem;
    transition: box-shadow 0.3s, transform 0.3s;
}

.servicio-card:hover {
    box-shadow: 0 10px 30px rgba(27,58,92,0.1);
    transform: translateY(-3px);
}

.servicio-icon {
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.servicio-icon svg {
    opacity: 0.85;
}

.servicio-card h3 {
    color: var(--azul-oscuro);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.servicio-card p {
    color: var(--gris-oscuro);
    font-size: 0.9rem;
}

/* ===== METODOLOGÍA (TIMELINE) ===== */
.timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    margin-top: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: var(--azul-medio);
    z-index: 0;
}

.timeline-step {
    text-align: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.timeline-step .step-number {
    width: 56px;
    height: 56px;
    background: var(--azul-oscuro);
    color: var(--blanco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 1rem;
}

.timeline-step h3 {
    color: var(--azul-oscuro);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.timeline-step p {
    color: var(--gris-medio);
    font-size: 0.8rem;
    max-width: 150px;
    margin: 0 auto;
}

/* ===== CASO DE ÉXITO ===== */
.caso-container {
    background: var(--blanco);
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 3rem;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
}

.caso-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.caso-badge {
    background: var(--azul-oscuro);
    color: var(--blanco);
    padding: 0.3rem 1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.caso-title {
    color: var(--azul-oscuro);
    font-size: 1.3rem;
}

.caso-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.caso-section h4 {
    color: var(--azul-medio);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.caso-section ul {
    list-style: none;
    padding: 0;
}

.caso-section ul li {
    padding: 0.3rem 0;
    color: var(--gris-oscuro);
    font-size: 0.9rem;
    padding-left: 1.2rem;
    position: relative;
}

.caso-section ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--azul-claro);
    font-weight: 700;
}

/* ===== EQUIPO ===== */
.equipo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.equipo-card {
    text-align: center;
}

.equipo-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
    font-size: 2.5rem;
    font-weight: 700;
}

.equipo-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    display: block;
    border: 4px solid var(--azul-oscuro);
    box-shadow: 0 6px 20px rgba(27,58,92,0.15);
}

.equipo-card h3 {
    color: var(--azul-oscuro);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.equipo-card .cargo {
    color: var(--azul-medio);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 1rem;
}

.equipo-card p {
    color: var(--gris-oscuro);
    font-size: 0.9rem;
}

/* ===== CLIENTES ===== */
/* Plano 1: Logotipos principales */
.clientes-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.cliente-logo-card {
    background: var(--blanco);
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 190px;
    min-height: 110px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: box-shadow 0.3s, transform 0.3s;
}

.cliente-logo-card:hover {
    box-shadow: 0 10px 30px rgba(27,58,92,0.12);
    transform: translateY(-3px);
}

.cliente-logo {
    max-height: 70px;
    max-width: 150px;
    width: auto;
    height: auto;
}

/* Plano 2: Aliados (segundo nivel) */
.clientes-aliados-titulo {
    text-align: center;
    color: var(--gris-medio);
    font-size: 0.95rem;
    font-weight: 500;
    margin: 3.5rem 0 1.5rem;
    position: relative;
}

.clientes-aliados-titulo::before,
.clientes-aliados-titulo::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 1px;
    background: #D1D5DB;
}

.clientes-aliados-titulo::before { left: calc(50% - 220px); }
.clientes-aliados-titulo::after  { right: calc(50% - 220px); }

.clientes-aliados {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    max-width: 800px;
    margin: 0 auto;
}

.clientes-aliados .cliente-text {
    background: transparent;
    border: 1px solid #E5E7EB;
    border-radius: 20px;
    padding: 0.5rem 1.1rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--gris-medio);
    transition: border-color 0.3s, color 0.3s;
}

.clientes-aliados .cliente-text:hover {
    background: transparent;
    border-color: var(--azul-medio);
    color: var(--azul-oscuro);
}

/* ===== PREGUNTAS FRECUENTES ===== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    max-width: 980px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    padding: 1.75rem;
    background: var(--blanco);
}

.faq-item h3 {
    color: var(--azul-oscuro);
    font-size: 1rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

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

/* ===== CONTACTO ===== */
.contacto-section {
    background: var(--azul-oscuro);
    color: var(--blanco);
    padding: 5rem 2rem;
    text-align: center;
}

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

.contacto-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

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

.contacto-item .icon {
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: center;
}

.contacto-item p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.contacto-item a {
    color: var(--blanco);
    text-decoration: none;
}

.contacto-item a:hover {
    text-decoration: underline;
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    z-index: 999;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: var(--blanco);
}

/* ===== FOOTER ===== */
footer {
    background: #0F2234;
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 2rem;
    font-size: 0.85rem;
}

footer a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    .section,
    .contacto-section {
        padding: 4rem 0;
    }

    .hero {
        padding: 4rem 1.25rem;
    }

    .hero-logo-img {
        width: min(100%, 340px);
    }

    nav {
        padding: 0.8rem 0;
    }

    .nav-logo {
        height: 58px;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--blanco);
        padding: 1rem 2rem;
        border-bottom: 1px solid #E5E7EB;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero-logo {
        font-size: 2rem;
    }

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

    .timeline {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .timeline::before {
        display: none;
    }

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

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

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

    .contacto-grid {
        flex-direction: column;
        align-items: center;
    }

    .clientes-aliados-titulo::before,
    .clientes-aliados-titulo::after {
        display: none;
    }

    .whatsapp-float {
        right: 1rem;
        bottom: 1rem;
    }
}

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

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