/* Explain: Core component styles including headers, buttons, form elements, and layout utilities. */
.site-header {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.95), rgba(10, 25, 47, 0.7));
    backdrop-filter: blur(18px);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--sage-dark);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.section-kicker::before {
    display: inline-block;
    width: 2.4rem;
    height: 1px;
    background: var(--accent-color);
    content: "";
}

.glass-panel {
    border: 1px solid var(--glass-border);
    background: linear-gradient(145deg, rgba(10, 25, 47, 0.8), rgba(0, 0, 0, 0.5));
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
}

.arch-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.38);
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
}

.arch-frame::after {
    position: absolute;
    inset: 1.1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: inherit;
    content: "";
    pointer-events: none;
}

.arch-frame-large {
    height: min(65vh, 600px);
    min-height: 420px;
    border-radius: 999px 999px 2.5rem 2.5rem;
}

.arch-frame-medium {
    height: 620px;
    max-width: 450px;
    border-radius: 999px 999px 2.1rem 2.1rem;
}

.floating-note {
    position: absolute;
    right: -1.5rem;
    bottom: 4rem;
    display: flex;
    max-width: 250px;
    align-items: center;
    gap: 0.85rem;
    border-radius: 999px;
    padding: 1rem 1.2rem;
    color: var(--text-color);
    font-size: 0.82rem;
    font-weight: 600;
}

.story-card {
    position: absolute;
    right: 0;
    bottom: 2.5rem;
    max-width: 290px;
    border-radius: 2rem;
    padding: 1.5rem;
}

.quiet-detail,
.amenity-row,
.contact-note {
    border: 1px solid var(--glass-border);
    border-radius: 1.6rem;
    background: rgba(10, 25, 47, 0.7);
    padding: 1.25rem;
    backdrop-filter: blur(8px);
    transition: all 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.quiet-detail:hover,
.amenity-row:hover,
.contact-note:hover {
    border-color: rgba(212, 175, 55, 0.6);
    background: rgba(10, 25, 47, 0.85);
    transform: translateX(8px);
    box-shadow: -8px 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(212, 175, 55, 0.15);
}

.quiet-detail span {
    display: inline-flex;
    margin-bottom: 0.9rem;
    color: var(--accent-color);
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
}

.quiet-detail p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.75;
}

.class-card {
    position: relative;
    overflow: hidden;
    min-height: 360px;
    border-radius: 2.2rem;
    padding: 2rem;
    transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1), border-color 500ms ease, box-shadow 500ms ease;
}

.class-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.15), transparent);
    transform: skewX(-25deg);
    transition: left 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    z-index: 10;
}

.class-card:hover {
    border-color: rgba(212, 175, 55, 0.85);
    box-shadow: 0 0 35px rgba(212, 175, 55, 0.25), 0 30px 90px rgba(0, 0, 0, 0.6);
    transform: translateY(-8px) scale(1.02);
}

.class-card:hover::after {
    left: 200%;
}

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

.amenity-dot {
    width: 0.8rem;
    height: 0.8rem;
    margin-top: 0.4rem;
    border-radius: 999px;
    background: var(--accent-color);
    box-shadow: 0 0 0 0.45rem var(--terracotta-soft);
}

.amenity-image-wrap {
    height: 660px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    box-shadow: var(--shadow-soft);
}

.booking-form,
.booking-overlay-panel {
    border-radius: 2.4rem;
    padding: clamp(1.5rem, 4vw, 2.5rem);
}

.form-label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--text-color);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

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

.form-status.error {
    color: #EF4444;
}

.booking-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    visibility: hidden;
    opacity: 0;
    overflow-y: auto;
    background: rgba(5, 10, 20, 0.8);
    padding: 1rem;
    backdrop-filter: blur(4px);
    transition: opacity 300ms ease, visibility 300ms ease;
}

.booking-overlay.is-open {
    visibility: visible;
    opacity: 1;
}

.booking-overlay-panel {
    min-height: calc(100vh - 2rem);
    background: var(--secondary-color);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-color);
    transform: translateY(20px) scale(0.98);
    transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.booking-overlay.is-open .booking-overlay-panel {
    transform: translateY(0) scale(1);
}

@media (max-width: 767px) {
    .section-kicker::before {
        width: 1.6rem;
    }

    .arch-frame-large,
    .arch-frame-medium,
    .amenity-image-wrap {
        height: 420px;
        min-height: 0;
    }

    .arch-frame-large {
        margin-right: auto;
        margin-left: auto;
        width: min(100%, 360px);
    }

    .floating-note,
    .story-card {
        position: relative;
        right: auto;
        bottom: auto;
        margin: -2.5rem auto 0;
    }

    .amenity-image-wrap {
        border-radius: 2rem;
    }
}

.marquee-container {
    display: flex;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: space-around;
    gap: 4rem;
    padding-right: 4rem;
    min-width: 100%;
    animation: scroll-left 40s linear infinite;
}

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* Flip Card Styles */
.flip-card-perspective {
    perspective: 1000px;
}

.flip-card-inner {
    transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
    transform-style: preserve-3d;
}

.flip-card-perspective:hover .flip-card-inner,
.flip-card-perspective:focus-within .flip-card-inner {
    transform: rotateY(180deg) scale(1.04);
    box-shadow: 0 0 45px rgba(212, 175, 55, 0.2);
}

.flip-card-front, 
.flip-card-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* Scroll Reveal Animations */
.reveal-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;
}
.reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-100 { transition-delay: 100ms; }
.reveal-delay-200 { transition-delay: 200ms; }
.reveal-delay-300 { transition-delay: 300ms; }