/* ===========================
   Menu Toggle (Hamburguesa)
   =========================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle:focus {
    outline: 2px solid var(--naranja-principal);
    outline-offset: 2px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--blanco);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Animación del icono hamburguesa cuando está activo */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===========================
   Presupuesto Section
   =========================== */
.presupuesto-section {
    padding: 180px 20px 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

.presupuesto-header {
    text-align: center;
    margin-bottom: 50px;
    margin-top: 120px;
    animation: fadeInDown 0.8s ease;
}

.presupuesto-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--azul-principal);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.presupuesto-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--naranja-principal), var(--naranja-claro));
    border-radius: 2px;
}

.presupuesto-subtitle {
    font-size: 1.2rem;
    color: var(--gris-oscuro);
    max-width: 700px;
    margin: 30px auto 0;
    line-height: 1.6;
}

/* ===========================
   Presupuesto Content
   =========================== */
.presupuesto-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ===========================
   Form Container
   =========================== */
.form-container {
    background: var(--blanco);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    animation: fadeInLeft 0.8s ease;
}

.presupuesto-form {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

/* ===========================
   Form Sections
   =========================== */
.form-section {
    border-bottom: 2px solid var(--gris-claro);
    padding-bottom: 30px;
}

.form-section:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.form-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--azul-principal);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-section-title svg {
    color: var(--naranja-principal);
}

/* ===========================
   Form Groups
   =========================== */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--texto-oscuro);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--gris-medio);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--blanco);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--azul-principal);
    box-shadow: 0 0 0 4px rgba(25, 118, 210, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

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

/* ===========================
   Checkbox Group
   =========================== */
.checkbox-group {
    margin-top: 15px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--texto-oscuro);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--azul-principal);
}

.checkbox-label a {
    color: var(--azul-principal);
    text-decoration: underline;
}

.checkbox-label a:hover {
    color: var(--azul-oscuro);
}

/* ===========================
   Form Actions
   =========================== */
.form-actions {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.btn-submit {
    flex: 1;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--azul-principal), var(--azul-oscuro));
    color: var(--blanco);
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(25, 118, 210, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(25, 118, 210, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-secondary {
    padding: 16px 40px;
    background: var(--blanco);
    color: var(--azul-principal);
    border: 2px solid var(--azul-principal);
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover {
    background: var(--azul-principal);
    color: var(--blanco);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(25, 118, 210, 0.3);
}

/* ===========================
   Info Container
   =========================== */
.info-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: fadeInRight 0.8s ease;
}

.info-card {
    background: var(--blanco);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.info-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--azul-principal), var(--azul-oscuro));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
}

.info-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--azul-principal);
    margin-bottom: 12px;
}

.info-card p {
    color: var(--texto-oscuro);
    font-size: 1rem;
    margin-bottom: 8px;
}

.info-card a {
    color: var(--azul-principal);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.info-card a:hover {
    color: var(--naranja-principal);
}

.info-detail {
    color: #666 !important;
    font-size: 0.9rem !important;
}

/* ===========================
   WhatsApp Card
   =========================== */
.whatsapp-card {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.whatsapp-card .info-icon {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.whatsapp-card h3 {
    color: var(--blanco);
}

.btn-whatsapp-info {
    display: inline-block;
    padding: 12px 30px;
    background: var(--blanco);
    color: #128c7e;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.btn-whatsapp-info:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: #128c7e !important;
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .presupuesto-content {
        grid-template-columns: 1fr;
    }
    
    .info-container {
        grid-template-columns: repeat(2, 1fr);
        display: grid;
    }
}

@media (max-width: 768px) {
    /* Menu Toggle Responsive */
    .menu-toggle {
        display: flex;
    }

    .nav ul {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, var(--azul-principal), var(--azul-oscuro));
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        gap: 20px;
        transition: left 0.3s ease;
        z-index: 999;
    }

    .nav ul.active {
        left: 0;
    }
    
    .presupuesto-section {
        padding: 120px 15px 60px;
    }

    .presupuesto-section .container {
        padding-left: 0;
    }
    
    .presupuesto-title {
        font-size: 2rem;
    }
    
    .presupuesto-subtitle {
        font-size: 1rem;
    }
    
    .form-container {
        padding: 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-section-title {
        font-size: 1.2rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-submit,
    .btn-secondary {
        width: 100%;
    }
    
    .info-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .presupuesto-title {
        font-size: 1.6rem;
    }
    
    .form-container {
        padding: 20px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
}