/* Explain: Elegant organic component styles and interactions */
.site-header {
    background: rgba(247, 245, 240, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--accent-color);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.section-kicker::before {
    display: inline-block;
    width: 3rem;
    height: 1px;
    background: var(--accent-color);
    content: "";
}

.glass-panel {
    border: 1px solid var(--glass-border);
    background: var(--field-bg);
    box-shadow: var(--shadow-soft);
    border-radius: 1.5rem;
    transition: box-shadow 0.4s ease, border-color 0.4s ease;
}

.glass-panel:hover {
    box-shadow: 0 15px 50px rgba(44, 76, 59, 0.08);
    border-color: rgba(44, 76, 59, 0.2);
}

.arch-frame {
    position: relative;
    overflow: hidden;
    border: 4px solid var(--surface-color);
    box-shadow: var(--shadow-soft);
}

.arch-frame::after {
    position: absolute;
    inset: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: inherit;
    content: "";
    pointer-events: none;
}

.arch-frame-large {
    height: min(74vh, 720px);
    min-height: 500px;
    border-radius: 999px 999px 2rem 2rem;
}

.arch-frame-medium {
    height: 600px;
    max-width: 440px;
    border-radius: 12rem 12rem 2rem 2rem;
}

.quiet-detail,
.amenity-row,
.contact-note {
    border-radius: 1.5rem;
    background: var(--surface-color);
    padding: 1.5rem;
    border: 1px solid var(--glass-border);
}

.quiet-detail span {
    display: inline-flex;
    margin-bottom: 0.75rem;
    color: var(--accent-color);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    font-style: italic;
}

.quiet-detail p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

.class-card {
    min-height: 360px;
    border-radius: 1.5rem;
    padding: 2rem;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.class-card:hover {
    transform: translateY(-4px);
    border-color: rgba(44, 76, 59, 0.2);
    box-shadow: 0 15px 50px rgba(44, 76, 59, 0.08);
}

.amenity-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
}

.amenity-dot {
    width: 0.6rem;
    height: 0.6rem;
    margin-top: 0.5rem;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 0 0.3rem var(--sage-soft);
}

.amenity-image-wrap {
    height: 660px;
    overflow: hidden;
    border-radius: 50% 50% 2rem 2rem;
    box-shadow: var(--shadow-soft);
}

.booking-form,
.booking-overlay-panel {
    border-radius: 1.5rem;
    padding: clamp(1.5rem, 4vw, 2.5rem);
}

.form-label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--text-color);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.form-status.success {
    color: var(--primary-color);
}

.form-status.error {
    color: var(--accent-color);
}

.mobile-book-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 45;
    border-top: 1px solid var(--border-color);
    background: rgba(247, 245, 240, 0.95);
    padding: 0.85rem 1rem calc(0.85rem + env(safe-area-inset-bottom));
    backdrop-filter: blur(12px);
}

.booking-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: none;
    overflow-y: auto;
    background: rgba(26, 36, 33, 0.4);
    padding: 1rem;
}

.booking-overlay.is-open {
    display: block;
}

.booking-overlay-panel {
    min-height: calc(100vh - 2rem);
    background: var(--background-color);
    box-shadow: 0 30px 90px rgba(26, 36, 33, 0.25);
}

@media (max-width: 767px) {
    .section-kicker::before {
        width: 2rem;
    }
    .arch-frame-large,
    .arch-frame-medium,
    .amenity-image-wrap {
        height: 480px;
        min-height: 0;
    }
    .arch-frame-large {
        margin-right: auto;
        margin-left: auto;
        width: min(100%, 450px);
    }
    .amenity-image-wrap {
        border-radius: 50% 50% 1.5rem 1.5rem;
    }
}

/* Animations au défilement */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.cal-booked {
    background: var(--terracotta-soft);
    border-color: color-mix(in srgb, var(--accent-color) 40%, transparent);
    color: var(--accent-color);
    pointer-events: none;
}
.cal-available {
    background: var(--field-bg);
    color: var(--text-color);
    cursor: pointer;
}
.cal-available:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-soft);
}
.cal-past {
    background: var(--glass-bg);
    opacity: 0.5;
    cursor: not-allowed;
    color: var(--text-muted);
}