/* =========================================
   EMBER & IRON – RESERVAS
   Página de reservas ultra-minimalista
   ========================================= */

/* Layout general de la página de reservas */
.ei-reserva {
    min-height: 100vh;
    background-color: var(--color-obsidian, #0D0D0D);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 72px 20px;
    box-sizing: border-box;
}

.ei-reserva-inner {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0;
    color: var(--color-ash, #B8BAB9);
    font-family: var(--font-sans, 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.ei-reserva-title {
    font-family: var(--font-montserrat, 'Montserrat', sans-serif);
    font-weight: 300;
    font-size: clamp(1.5rem, 2.4vw, 1.8rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-align: center;
    color: #FFFFFF;
    margin: 0 0 8px;
}

.ei-reserva-subtitle {
    font-size: 0.9rem;
    text-align: center;
    color: rgba(245, 240, 235, 0.85);
    margin: 0 0 32px;
}

.ei-reserva-note {
    font-size: 0.8rem;
    text-align: center;
    color: var(--color-ash, #B8BAB9);
    margin-bottom: 32px;
}

/* Formulario */
.ei-reserva-form {
    width: 100%;
}

.ei-reserva-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.ei-reserva-field--full {
    grid-column: 1 / -1;
}

@media (max-width: 640px) {
    .ei-reserva-grid {
        grid-template-columns: 1fr;
    }
}

.ei-reserva-field {
    display: flex;
    flex-direction: column;
}

.ei-reserva-label {
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 6px;
    color: rgba(245, 240, 235, 0.8);
    font-family: var(--font-sans, 'DM Sans', sans-serif);
}

.ei-reserva-input,
.ei-reserva-select,
.ei-reserva-textarea {
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--color-steel, #3A3F47);
    padding: 8px 0 10px;
    background-color: transparent;
    color: var(--color-ash, #B8BAB9);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.ei-reserva-input::placeholder,
.ei-reserva-textarea::placeholder {
    color: rgba(184, 186, 185, 0.4);
}

.ei-reserva-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 20px;
    background-image: linear-gradient(45deg, var(--color-ash, #B8BAB9) 50%, transparent 50%),
                      linear-gradient(135deg, var(--color-ash, #B8BAB9) 50%, transparent 50%);
    background-position: calc(100% - 12px) 55%, calc(100% - 6px) 55%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}

.ei-reserva-input:focus,
.ei-reserva-select:focus,
.ei-reserva-textarea:focus {
    border-bottom-color: var(--color-copper, #B87333);
    box-shadow: 0 1px 0 0 var(--color-copper, #B87333);
    color: #FFFFFF;
}

.ei-reserva-textarea {
    min-height: 96px;
    resize: vertical;
}

/* Botón de enviar – Dark Glassmorphism Premium (igual que .btn-ember) */
.ei-reserva-actions {
    margin-top: 32px;
}

.ei-reserva-button {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 20px;
    border-radius: 0;
    border: 1px solid rgba(184, 115, 51, 0.3);
    background: rgba(255, 255, 255, 0.03);
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-sans, 'DM Sans', sans-serif);
    cursor: pointer;
    transition: 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    transition-property: background, border-color, box-shadow, transform;
}

.ei-reserva-button:hover {
    background: rgba(184, 115, 51, 0.1);
    border-color: rgba(184, 115, 51, 1);
    color: #FFFFFF;
    box-shadow: 0 0 25px rgba(184, 115, 51, 0.2);
    transform: translateY(-3px);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.ei-reserva-button:active {
    transform: translateY(-2px);
}

/* Mensaje de confirmación */
.ei-reserva-confirm {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--color-ash, #B8BAB9);
    opacity: 0;
    transform: translateY(6px);
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.4s ease-out, transform 0.4s ease-out, max-height 0.4s ease-out;
}

.ei-reserva-confirm.is-visible {
    opacity: 1;
    transform: translateY(0);
    max-height: 80px;
}