/* ================================================
   BitDev - Calculadora de Presupuesto
   Estilos compartidos para ambas páginas
   ================================================ */

/* --- Page Layout --- */
.page-hero {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #1a0a2e 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 600px 400px at 30% 50%, rgba(95,36,152,.3) 0%, transparent 70%),
        radial-gradient(ellipse 500px 300px at 70% 40%, rgba(233,30,140,.15) 0%, transparent 70%);
}
.page-hero__content { position: relative; z-index: 1; }
.page-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: 16px;
}
.page-hero__text {
    font-size: 1.125rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- Calculator Layout --- */
.calculator {
    padding: 60px 0 100px;
    background: var(--gray-50);
}
.calculator__inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}
.calculator__steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* --- Step Card --- */
.step-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition);
}
.step-card:hover {
    border-color: rgba(95,36,152,.15);
    box-shadow: var(--shadow-md);
}
.step-card__header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    cursor: default;
}
.step-card__number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: var(--white);
    font-size: .85rem;
    font-weight: 700;
    border-radius: 50%;
}
.step-card__info { flex: 1; }
.step-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}
.step-card__subtitle {
    font-size: .85rem;
    color: var(--gray-500);
}
.step-card__price-tag {
    font-size: .9rem;
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
}
.step-card__body {
    padding: 0 28px 24px;
}
.step-card__description {
    font-size: .9rem;
    color: var(--gray-500);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* --- Slider Input --- */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.slider-label {
    font-size: .9rem;
    font-weight: 600;
    color: var(--gray-700);
}
.slider-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 14px;
    border-radius: 100px;
    min-width: 60px;
    text-align: center;
}
.slider-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--gray-200);
    outline: none;
    cursor: pointer;
}
.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(95,36,152,.3);
    transition: transform .2s;
}
.slider-input::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}
.slider-input::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(95,36,152,.3);
}
.slider-range-labels {
    display: flex;
    justify-content: space-between;
    font-size: .75rem;
    color: var(--gray-400);
}

/* --- Radio/Option Groups --- */
.option-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.option-btn {
    flex: 1;
    min-width: 120px;
    padding: 14px 18px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    font-family: var(--font);
    font-size: .9rem;
    color: var(--gray-600);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.option-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.option-btn.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}
.option-btn__label { font-weight: 600; }
.option-btn__price {
    font-size: .8rem;
    color: var(--gray-500);
}
.option-btn.selected .option-btn__price {
    color: var(--primary);
}

/* --- Checkbox Options --- */
.check-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.check-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}
.check-option:hover {
    border-color: rgba(95,36,152,.3);
}
.check-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}
.check-option input[type="checkbox"] {
    display: none;
}
.check-option__box {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    background: var(--white);
}
.check-option.selected .check-option__box {
    background: var(--gradient);
    border-color: transparent;
}
.check-option__box svg {
    opacity: 0;
    transition: opacity .2s;
    color: var(--white);
}
.check-option.selected .check-option__box svg {
    opacity: 1;
}
.check-option__info { flex: 1; }
.check-option__label {
    font-size: .9rem;
    font-weight: 600;
    color: var(--gray-700);
}
.check-option__desc {
    font-size: .8rem;
    color: var(--gray-500);
    margin-top: 2px;
}
.check-option__price {
    font-size: .9rem;
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
}

/* --- Sticky Sidebar --- */
.calculator__sidebar {
    position: sticky;
    top: 88px;
}
.sidebar-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.sidebar-card__header {
    background: var(--gradient);
    padding: 20px 24px;
    color: var(--white);
    text-align: center;
}
.sidebar-card__header h3 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.sidebar-card__total {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -1px;
}
.sidebar-card__currency {
    font-size: .85rem;
    font-weight: 400;
    opacity: .8;
    display: block;
    margin-top: 2px;
}
.sidebar-card__body {
    padding: 20px 24px;
}
.sidebar-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: .85rem;
    border-bottom: 1px solid var(--gray-100);
}
.sidebar-item:last-child { border-bottom: none; }
.sidebar-item__label { color: var(--gray-600); }
.sidebar-item__value {
    font-weight: 600;
    color: var(--dark);
}
.sidebar-item__value.included {
    color: var(--primary);
    font-size: .8rem;
}
.sidebar-card__footer {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--gray-100);
}
.sidebar-card__footer .btn { width: 100%; }

/* Currency toggle */
.currency-toggle {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 10px;
    background: rgba(255,255,255,.15);
    border-radius: 100px;
    padding: 3px;
}
.currency-toggle__btn {
    font-family: var(--font);
    font-size: .75rem;
    font-weight: 600;
    padding: 4px 14px;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    background: transparent;
    color: rgba(255,255,255,.6);
    transition: all var(--transition);
}
.currency-toggle__btn.active {
    background: var(--white);
    color: var(--primary);
}

/* --- Includes/Excludes Section --- */
.includes-section {
    padding: 80px 0;
    background: var(--white);
}
.includes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 48px;
}
.includes-card {
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}
.includes-card--yes {
    background: #f0fdf4;
    border-color: #bbf7d0;
}
.includes-card--no {
    background: #fef2f2;
    border-color: #fecaca;
}
.includes-card__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.includes-card--yes .includes-card__title { color: #166534; }
.includes-card--no .includes-card__title { color: #991b1b; }
.includes-card__icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.includes-card--yes .includes-card__icon { background: #bbf7d0; color: #166534; }
.includes-card--no .includes-card__icon { background: #fecaca; color: #991b1b; }
.includes-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.includes-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .9rem;
    line-height: 1.5;
    color: var(--gray-700);
}
.includes-list li svg { flex-shrink: 0; margin-top: 2px; }
.includes-card--yes .includes-list li svg { color: #16a34a; }
.includes-card--no .includes-list li svg { color: #dc2626; }

/* --- Budget Form --- */
.budget-form-section {
    padding: 80px 0;
    background: var(--gray-50);
}
.budget-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}
.budget-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.budget-form .form-group--full { grid-column: 1 / -1; }
.budget-form__summary {
    grid-column: 1 / -1;
    background: var(--primary-light);
    border: 1px solid rgba(95,36,152,.15);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 8px;
}
.budget-form__summary h4 {
    font-size: .95rem;
    margin-bottom: 12px;
    color: var(--primary);
}
.budget-form__summary-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: .85rem;
    color: var(--gray-600);
}
.budget-form__summary-item {
    display: flex;
    justify-content: space-between;
}
.budget-form__summary-total {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(95,36,152,.15);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

/* --- Mobile Bottom Bar --- */
.mobile-budget-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 20px rgba(0,0,0,.1);
    padding: 12px 24px;
    z-index: 90;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.mobile-budget-bar__total {
    display: flex;
    flex-direction: column;
}
.mobile-budget-bar__label {
    font-size: .75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}
.mobile-budget-bar__price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
}
.mobile-budget-bar .btn { flex-shrink: 0; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .calculator__inner {
        grid-template-columns: 1fr;
    }
    .calculator__sidebar {
        position: static;
        order: -1;
    }
    .sidebar-card {
        display: none;
    }
    .mobile-budget-bar {
        display: flex;
    }
    .calculator {
        padding-bottom: 100px;
    }
}

@media (max-width: 768px) {
    .page-hero { padding: 120px 0 48px; }
    .step-card__header { padding: 20px 20px; flex-wrap: wrap; }
    .step-card__body { padding: 0 20px 20px; }
    .option-group { flex-direction: column; }
    .option-btn { min-width: auto; }
    .includes-grid { grid-template-columns: 1fr; }
    .budget-form {
        padding: 24px 20px;
    }
    .budget-form__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .step-card__price-tag { font-size: .8rem; }
    .slider-value { font-size: .85rem; padding: 3px 10px; }
}