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

:root {
    --color-primary: #3c464e;
    --color-secondary: #97a3ad;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --border-radius: 12px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-light);
}

/* Header / Hero */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #4a5660 100%);
    color: var(--color-white);
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
    min-height: 100vh;
    position: relative;
}

.hero-text {
    text-align: left;
    padding: var(--spacing-lg) var(--spacing-md);
    padding-left: calc(var(--spacing-lg) * 1.5);
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 2;
}

.brain-icon {
    width: 180px;
    height: 180px;
    margin-bottom: 10px;
}

.brain-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.brain-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-white);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    max-width: 600px;
}

.credentials {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-top: var(--spacing-sm);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-whatsapp {
    background: #25D366;
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.btn-schedule {
    background: var(--color-secondary);
    color: var(--color-white);
}

.btn-schedule:hover {
    background: #88949e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(151, 163, 173, 0.3);
}

.hero-image {
    overflow: hidden;
    height: 100%;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

/* Servicios de Neuropsicología */
.neuropsychology {
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, #4a5660 100%);
    color: var(--color-white);
}

.neuropsychology h2 {
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    letter-spacing: 2px;
    text-align: left;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-lg);
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #a8b4be 100%);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    color: var(--color-white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(151, 163, 173, 0.4);
}

.service-image {
    width: 100%;
    height: 240px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* Neuromúsica */
.neuromusic {
    padding: 0;
    background-color: var(--color-light);
}

.section-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
    min-height: 600px;
}

.content-text {
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.content-text h2 {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
    letter-spacing: 2px;
}

.content-text ul {
    list-style: none;
    padding-left: 0;
}

.content-text ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-primary);
    font-size: 1rem;
}

.content-text ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.content-image {
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: 100%;
    min-height: 600px;
}

.content-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

/* Fases del Proceso */
.process-phases {
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, #4a5660 100%);
    color: var(--color-white);
    text-align: center;
}

.process-phases h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    letter-spacing: 2px;
}

.phases-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.phase {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: transform 0.3s ease, background 0.3s ease;
}

.phase:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.phase-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-sm);
}

.phase h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.phase p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Técnicas Efectivas */
.effective-techniques {
    padding: 0;
    background-color: var(--color-white);
}

.effective-techniques .section-content {
    grid-template-columns: 1fr 1fr;
}

.effective-techniques .content-text h2 {
    color: var(--color-secondary);
}

/* Próximos Pasos */
.next-steps {
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(135deg, #4a5660 0%, var(--color-primary) 100%);
    color: var(--color-white);
    text-align: center;
}

.next-steps h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    letter-spacing: 2px;
}

.steps-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.step-card {
    background: rgba(151, 163, 173, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: left;
    transition: transform 0.3s ease, background 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    background: rgba(151, 163, 173, 0.3);
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.step-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-weight: 400;
    opacity: 0.9;
}

.step-details ul {
    list-style: none;
    padding-left: 0;
}

.step-details ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.step-details ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

/* Contacto */
.contact {
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(180deg, var(--color-secondary) 0%, #b5c1cb 100%);
    color: var(--color-white);
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.contact-subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.contact-info {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.contact-item {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: transform 0.3s ease, background 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.contact-label {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1rem;
    transition: opacity 0.3s ease;
}

.contact-item a:hover {
    opacity: 0.8;
}

.contact-whatsapp {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-whatsapp span {
    color: var(--color-white);
    font-size: 1rem;
}

.contact-whatsapp svg {
    fill: var(--color-white);
}

/* Sección de Agendar Cita */
.booking-section {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-light);
}

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

.booking-section h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.booking-subtitle {
    text-align: center;
    color: var(--color-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.booking-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* Calendario */
.calendar-container {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.calendar-header h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 400;
}

.month-nav {
    background: var(--color-secondary);
    color: var(--color-white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.month-nav:hover {
    background: var(--color-primary);
    transform: scale(1.1);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.calendar-weekdays div {
    text-align: center;
    font-weight: 600;
    color: var(--color-secondary);
    padding: 0.5rem;
    font-size: 0.9rem;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    background: var(--color-light);
    color: var(--color-primary);
}

.calendar-day:hover:not(.disabled):not(.other-month) {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: scale(1.05);
}

.calendar-day.selected {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
}

.calendar-day.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: var(--color-light);
}

.calendar-day.other-month {
    opacity: 0.3;
    cursor: default;
}

.calendar-day.today {
    border: 2px solid var(--color-secondary);
}

/* Horarios */
.time-slots-container {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.time-slots-container h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.selected-date-display {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
}

.time-slot {
    padding: 0.75rem;
    background: var(--color-light);
    border: 2px solid transparent;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    color: var(--color-primary);
}

.time-slot:hover:not(.disabled) {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.time-slot.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    text-decoration: line-through;
}

.time-slot.selected {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

/* Formulario de Reserva */
.booking-form {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-light);
}

.booking-form h4 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.booking-form input,
.booking-form textarea {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 2px solid var(--color-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.booking-form input:focus,
.booking-form textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.btn-confirm {
    background: var(--color-primary);
    color: var(--color-white);
    width: 100%;
    margin-bottom: 0.5rem;
}

.btn-confirm:hover {
    background: #2e383f;
}

.btn-cancel {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
    width: 100%;
}

.btn-cancel:hover {
    background: var(--color-secondary);
    color: var(--color-white);
}

.booking-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: 8px;
    text-align: center;
    font-size: 1rem;
    display: none;
}

.booking-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.booking-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* Botón Flotante Agendar Cita */
.floating-book-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(60, 70, 78, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.floating-book-btn:hover {
    background: #2e383f;
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(60, 70, 78, 0.5);
}

.floating-book-btn.show {
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animaciones */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        min-height: auto;
    }

    .hero-text {
        text-align: center;
        order: 2;
        padding: var(--spacing-md);
    }

    .hero-image {
        order: 1;
        height: 50vh;
        min-height: 400px;
    }

    .brain-icon {
        margin: 0 auto var(--spacing-md);
    }

    .hero h1 {
        font-size: 2.5rem;
        margin: 0 auto;
    }

    .section-content {
        grid-template-columns: 1fr;
    }

    .effective-techniques .section-content {
        grid-template-columns: 1fr;
    }

    .effective-techniques .content-image {
        order: -1;
    }

    /* FORZAR 1 COLUMNA en Fases del Proceso */
    .phases-container {
        grid-template-columns: 1fr !important;
        margin: 0 auto;
    }

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

    .booking-content {
        grid-template-columns: 1fr;
    }

    /* CALENDARIO: reducir tamaño en móviles */
    .calendar-container {
        padding: 1rem;
    }

    .calendar-header h3 {
        font-size: 1.2rem;
    }

    .month-nav {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .calendar-weekdays {
        gap: 0.25rem;
    }

    .calendar-weekdays div {
        padding: 0.25rem;
        font-size: 0.75rem;
    }

    .calendar-days {
        gap: 0.25rem;
    }

    .calendar-day {
        font-size: 0.85rem;
        padding: 0.25rem;
    }

    /* TIME SLOTS: más pequeños en móviles */
    .time-slots {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 0.5rem;
    }

    .time-slot {
        padding: 0.6rem 0.3rem;
        font-size: 0.85rem;
    }

    .time-slots-container {
        padding: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    /* Botón flotante centrado en móviles */
    .floating-book-btn {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        bottom: 30px;
        font-size: 0.95rem;
        padding: 0.9rem 1.3rem;
    }

    .floating-book-btn:hover {
        transform: translateX(-50%) translateY(-5px);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .neuropsychology h2,
    .content-text h2,
    .process-phases h2,
    .next-steps h2,
    .contact h2 {
        font-size: 1.5rem;
    }

    /* FORZAR 1 COLUMNA en fases del proceso */
    .phases-container {
        grid-template-columns: 1fr !important;
    }

    /* Calendario aún más compacto */
    .calendar-container {
        padding: 0.75rem;
    }

    .calendar-header h3 {
        font-size: 1rem;
    }

    .calendar-weekdays div {
        font-size: 0.7rem;
        padding: 0.2rem;
    }

    .calendar-day {
        font-size: 0.8rem;
    }

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

    .booking-section h2 {
        font-size: 1.8rem;
    }

    .booking-subtitle {
        font-size: 0.95rem;
    }
}

/* Perfil Profesional */
.professional-profile {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--color-white);
    color: var(--color-primary);
}

.profile-content {
    max-width: 1200px;
    margin: 0 auto;
}

.profile-text h2 {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    letter-spacing: 2px;
    text-align: center;
}

.profile-text h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.credential-highlight {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.profile-bio, .profile-commitment {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    text-align: justify;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.skill-group {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-secondary);
    transition: transform 0.3s ease;
}

.skill-group:hover {
    transform: translateY(-5px);
}

.skill-group h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.skill-group ul {
    list-style: none;
    padding-left: 0;
}

.skill-group ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 1rem;
}

.skill-group ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .profile-bio, .profile-commitment {
        text-align: left;
    }
}