/* =============================================================================
   Componentes reutilizados nas quatro páginas
   ========================================================================== */

/* ---- Botões ------------------------------------------------------------- */

.btn-rosathon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: var(--fs-small);
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition),
        background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn-rosathon--primary {
    background: var(--color-pink);
    color: var(--color-black);
}

.btn-rosathon--primary:hover:not(:disabled) {
    background: var(--color-pink-neon);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: var(--glow-pink-soft);
}

.btn-rosathon--secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--border-strong);
}

.btn-rosathon--secondary:hover:not(:disabled) {
    border-color: var(--color-pink);
    color: var(--color-pink);
}

.btn-rosathon--ghost {
    background: transparent;
    color: var(--color-gray);
    border-color: transparent;
    padding: 10px 14px;
}

.btn-rosathon--ghost:hover:not(:disabled) {
    color: var(--color-pink);
}

.btn-rosathon--danger {
    background: transparent;
    color: var(--color-danger);
    border-color: rgba(255, 77, 77, .35);
}

.btn-rosathon--danger:hover:not(:disabled) {
    background: rgba(255, 77, 77, .1);
    border-color: var(--color-danger);
}

.btn-rosathon--block {
    width: 100%;
}

.btn-rosathon:disabled {
    opacity: .4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/*
   Estado de carregamento. O botão não pode aceitar segundo clique enquanto a
   requisição está em voo — no dia 14 um duplo clique na reserva é garantido.
*/
.btn-rosathon.is-loading {
    color: transparent !important;
    pointer-events: none;
    position: relative;
}

.btn-rosathon.is-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 700ms linear infinite;
    color: var(--color-black);
}

.btn-rosathon--secondary.is-loading::after,
.btn-rosathon--ghost.is-loading::after {
    color: var(--color-white);
}

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

/* ---- Cards -------------------------------------------------------------- */

.card-rosathon {
    background: var(--color-black-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 28px;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card-rosathon--hover:hover {
    border-color: var(--border-pink);
    transform: translateY(-6px);
    box-shadow: var(--glow-pink-card);
}

/* ---- Header ------------------------------------------------------------- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(10, 10, 10, .85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-pink-faint);
}

.site-header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
}

.site-header__brand:hover {
    color: inherit;
}

.site-header__brand img {
    width: 30px;
    height: 30px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: auto;
}

.site-nav a {
    color: var(--color-gray-light);
    font-size: var(--fs-small);
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    position: relative;
    padding: 6px 0;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
    color: var(--color-white);
}

.site-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: var(--color-pink);
    transition: width var(--transition);
}

.site-nav a:hover::after,
.site-nav a[aria-current='page']::after {
    width: 100%;
}

.site-header__cta {
    margin-left: 8px;
}

.site-header__toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    cursor: pointer;
    color: var(--color-white);
}

.site-header__toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    margin: 4px 0;
    transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 991px) {

    .site-header__toggle {
        display: block;
    }

    .site-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px 24px 28px;
        background: rgba(10, 10, 10, .97);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-pink-faint);
        transform: translateY(-140%);
        transition: transform var(--transition);
    }

    .site-nav.is-open {
        transform: translateY(0);
    }

    .site-nav a {
        padding: 14px 0;
        border-bottom: 1px solid var(--border-subtle);
    }

    .site-header__cta {
        display: none;
    }

    .site-nav .site-nav__cta {
        display: inline-flex;
        margin-top: 20px;
        border-bottom: none;
    }
}

@media (min-width: 992px) {
    .site-nav .site-nav__cta {
        display: none;
    }
}

/* ---- Footer ------------------------------------------------------------- */

.site-footer {
    background: var(--color-black);
    border-top: 1px solid var(--border-subtle);
    padding: 72px 0 32px;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 56px;
}

.site-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    margin-bottom: 18px;
}

.site-footer__brand img {
    width: 32px;
    height: 32px;
}

.site-footer p {
    color: var(--color-gray);
    max-width: 42ch;
}

.site-footer h4 {
    font-size: var(--fs-small);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 20px;
}

.site-footer li {
    margin-bottom: 12px;
}

.site-footer li a {
    color: var(--color-gray-light);
    font-size: var(--fs-body);
}

.site-footer li a:hover {
    color: var(--color-pink);
}

.site-footer__bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--color-gray);
    font-size: var(--fs-small);
}

@media (max-width: 767px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ---- Feedback ----------------------------------------------------------- */

.alert-rosathon {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-subtle);
    background: var(--color-gray-dark);
    color: var(--color-gray-light);
    font-size: var(--fs-body);
}

.alert-rosathon--error {
    border-color: rgba(255, 77, 77, .4);
    background: rgba(255, 77, 77, .08);
    color: #FFBDBD;
}

.alert-rosathon--success {
    border-color: rgba(46, 212, 122, .4);
    background: rgba(46, 212, 122, .08);
    color: #A8F0C6;
}

.alert-rosathon--info {
    border-color: var(--border-pink-faint);
    background: rgba(255, 59, 157, .07);
    color: var(--color-gray-light);
}

/* ---- Formulários -------------------------------------------------------- */

.field {
    margin-bottom: 20px;
}

.field label {
    display: block;
    font-size: var(--fs-small);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--color-gray);
    font-weight: 600;
    margin-bottom: 10px;
}

.input-rosathon,
.textarea-rosathon,
.select-rosathon {
    width: 100%;
    background: var(--color-black);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    padding: 14px 18px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.textarea-rosathon {
    min-height: 110px;
    resize: vertical;
    line-height: var(--lh-body);
}

.input-rosathon::placeholder,
.textarea-rosathon::placeholder {
    color: #5A5A5A;
}

.input-rosathon:focus,
.textarea-rosathon:focus,
.select-rosathon:focus {
    outline: none;
    border-color: var(--color-pink);
    box-shadow: 0 0 0 3px rgba(255, 59, 157, .15);
}

.input-rosathon[aria-invalid='true'] {
    border-color: var(--color-danger);
}

.input-rosathon--lg {
    font-size: 24px;
    padding: 18px 22px;
    text-align: center;
    letter-spacing: .12em;
    font-family: var(--font-display);
    font-weight: 700;
}

.field__error {
    display: block;
    margin-top: 8px;
    color: #FF8080;
    font-size: var(--fs-small);
    line-height: var(--lh-small);
}

.field__hint {
    display: block;
    margin-top: 8px;
    color: var(--color-gray);
    font-size: var(--fs-small);
}

/* ---- Skeleton ----------------------------------------------------------- */

.skeleton {
    background: linear-gradient(90deg, var(--color-gray-dark) 25%, #202020 50%, var(--color-gray-dark) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.4s ease-in-out infinite;
    border-radius: var(--radius);
}

@keyframes skeleton {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ---- Estado vazio ------------------------------------------------------- */

.empty-state {
    text-align: center;
    padding: 64px 24px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-card);
    color: var(--color-gray);
}

.empty-state h4 {
    color: var(--color-gray-light);
    margin-bottom: 10px;
}

/* ---- Revelação no scroll ------------------------------------------------ */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ---- Overlay de carregamento global ------------------------------------- */

.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, .72);
    backdrop-filter: blur(4px);
}

.loading-overlay__spinner {
    width: 42px;
    height: 42px;
    border: 3px solid rgba(255, 59, 157, .25);
    border-top-color: var(--color-pink);
    border-radius: 50%;
    animation: spin 800ms linear infinite;
}