/**
 * flugbuchen.de — Preisalarm Page Styles
 *
 * Price alert subscription page with form, how-it-works steps,
 * and benefits section. Mobile-first, WCAG 2.1 AA compliant.
 *
 * @copyright reDim GmbH | @link https://www.redim.de | @contact team@redim.de
 */

/* ========================================
   Screen Reader Only Utility
   ======================================== */

.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;
}

/* ========================================
   Breadcrumb
   ======================================== */

.pa-breadcrumb {
    padding: 1rem 0 0;
}

.pa-breadcrumb__list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.pa-breadcrumb__list li + li::before {
    content: "/";
    margin-right: 0.5rem;
    color: var(--color-border);
}

.pa-breadcrumb__list a {
    color: var(--color-text-secondary);
}

.pa-breadcrumb__list a:hover {
    color: var(--color-secondary);
}

.pa-breadcrumb__list [aria-current="page"] {
    color: var(--color-text);
    font-weight: 500;
}

/* ========================================
   Hero
   ======================================== */

.pa-hero {
    padding: 2.5rem 0 2rem;
    text-align: center;
}

.pa-hero__title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.pa-hero__subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .pa-hero {
        padding: 3.5rem 0 2.5rem;
    }

    .pa-hero__title {
        font-size: 2.25rem;
    }

    .pa-hero__subtitle {
        font-size: 1.125rem;
    }
}

/* ========================================
   Flash Messages
   ======================================== */

.pa-flash {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.pa-flash--success {
    background: rgba(22, 163, 74, 0.08);
    color: var(--color-success);
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.pa-flash--error {
    background: rgba(220, 38, 38, 0.08);
    color: var(--color-error);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

/* ========================================
   Content Layout
   ======================================== */

.pa-content {
    display: grid;
    gap: 2.5rem;
    padding-bottom: 3rem;
}

@media (min-width: 768px) {
    .pa-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: start;
    }
}

/* ========================================
   Form Card
   ======================================== */

.pa-form-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
}

.pa-form-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

/* ========================================
   Form
   ======================================== */

.pa-form__group {
    margin-bottom: 1.25rem;
}

.pa-form__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.375rem;
}

.pa-form__required {
    color: var(--color-error);
}

.pa-form__input,
.pa-form__select {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.pa-form__input:focus,
.pa-form__select:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 1px;
    border-color: var(--color-secondary);
}

.pa-form__input::placeholder {
    color: var(--color-text-secondary);
}

.pa-form__select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.pa-form__price-wrapper {
    position: relative;
}

.pa-form__input--price {
    padding-right: 3.5rem;
}

.pa-form__price-currency {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    pointer-events: none;
}

.pa-form__hint {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-top: 0.375rem;
}

.pa-form__error {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-error);
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.pa-form__submit {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3rem;
}

.pa-form__submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.pa-form__privacy {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 1rem;
    line-height: 1.5;
}

/* ========================================
   Spinner
   ======================================== */

.pa-spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pa-spin 0.6s linear infinite;
}

@keyframes pa-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .pa-spinner {
        animation: none;
        opacity: 0.5;
    }
}

/* ========================================
   Success State
   ======================================== */

.pa-success {
    text-align: center;
    padding: 2rem 0;
}

.pa-success__icon {
    margin-bottom: 1rem;
}

.pa-success__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.pa-success__text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.pa-success__reset {
    font-size: 0.9375rem;
}

/* ========================================
   How it Works
   ======================================== */

.pa-how__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.pa-how__steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pa-how__step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.pa-how__number {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50%;
}

.pa-how__step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.pa-how__step-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ========================================
   Benefits
   ======================================== */

.pa-benefits {
    background: var(--color-bg-alt);
    padding: 3rem 0;
}

.pa-benefits__grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .pa-benefits__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.pa-benefits__item {
    text-align: center;
    padding: 1.5rem;
}

.pa-benefits__icon {
    margin-bottom: 0.75rem;
}

.pa-benefits__title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.pa-benefits__text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ========================================
   Unsubscribe Page
   ======================================== */

.pa-unsubscribe {
    padding: 4rem 0;
    text-align: center;
}

.pa-unsubscribe__card {
    max-width: 480px;
    margin: 0 auto;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.pa-unsubscribe__card h1 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 1rem 0 0.75rem;
}

.pa-unsubscribe__card p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}