/* ===================================================================
   Animations · Scroll Reveals · Mobile Menu · Decorative Backgrounds
   =================================================================== */

/* --- Scroll Reveal Base --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Direction variants */
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-left.revealed,
.reveal-right.revealed,
.reveal-scale.revealed {
    opacity: 1;
    transform: translateX(0) scale(1);
}

/* Stagger delays for child elements */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.12s; }
.stagger-3 { transition-delay: 0.2s; }
.stagger-4 { transition-delay: 0.28s; }
.stagger-5 { transition-delay: 0.36s; }
.stagger-6 { transition-delay: 0.44s; }


/* --- Hero Banner Entrance --- */
.hero-banner__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    animation: hero-entrance 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}

@keyframes hero-entrance {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-banner__title {
    font-family: var(--font-heading);
    font-size: var(--font-size-hero);
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
    text-shadow: 0 2px 8px rgba(255, 255, 255, 0.6);
    animation: text-reveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.6s both;
}

.hero-banner__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-charcoal-soft);
    font-weight: 300;
    letter-spacing: 0.06em;
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.5);
    animation: text-reveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.85s both;
}

@keyframes text-reveal {
    from {
        opacity: 0;
        transform: translateY(15px);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* Hero image slow zoom */
.hero-banner__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    animation: hero-zoom 25s ease-in-out infinite alternate;
}

@keyframes hero-zoom {
    from { transform: scale(1); }
    to   { transform: scale(1.06); }
}


/* --- Mobile Navigation Animated --- */
@media (max-width: 768px) {
    .site-nav__links {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: var(--space-md) var(--space-lg);
        background: var(--glass-bg-heavy);
        backdrop-filter: blur(var(--glass-blur-lg));
        -webkit-backdrop-filter: blur(var(--glass-blur-lg));
        border-bottom: 1px solid var(--glass-border);
        box-shadow: 0 8px 32px var(--color-shadow-md);

        max-height: 0;
        overflow: hidden;
        padding-top: 0;
        padding-bottom: 0;
        opacity: 0;
        transform: translateY(-8px);
        transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                    opacity 0.3s ease,
                    transform 0.3s ease,
                    padding 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .site-nav__links.open {
        display: flex;
        max-height: 400px;
        opacity: 1;
        transform: translateY(0);
        padding-top: var(--space-md);
        padding-bottom: var(--space-md);
    }

    /* Stagger nav items */
    .site-nav__links .site-nav__link {
        opacity: 0;
        transform: translateX(-15px);
        transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .site-nav__links.open .site-nav__link {
        opacity: 1;
        transform: translateX(0);
    }

    .site-nav__links.open li:nth-child(1) .site-nav__link { transition-delay: 0.06s; }
    .site-nav__links.open li:nth-child(2) .site-nav__link { transition-delay: 0.12s; }
    .site-nav__links.open li:nth-child(3) .site-nav__link { transition-delay: 0.18s; }
    .site-nav__links.open li:nth-child(4) .site-nav__link { transition-delay: 0.24s; }
    .site-nav__links.open li:nth-child(5) .site-nav__link { transition-delay: 0.30s; }
}

/* Mobile toggle icon animation (visibility in header.css) */
.site-nav__toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--color-charcoal);
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.site-nav__toggle.active {
    transform: rotate(90deg);
}


/* --- Glass Card Hover Enhancements --- */
.glass-card {
    position: relative;
    overflow: hidden; /* For glint effect */
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: 0 4px 24px var(--color-shadow);
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
                border-color 0.4s ease;
}

/* Glint effect on hover */
.glass-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: skewX(-20deg);
    transition: none;
    pointer-events: none;
}

.glass-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px var(--color-shadow-md);
    border-color: rgba(255, 255, 255, 0.6);
}

.glass-card:hover::after {
    animation: glint 0.8s ease forwards;
}

@keyframes glint {
    0% { left: -150%; }
    100% { left: 150%; }
}

.glass-card .btn-outline-glass,
.glass-card .btn-primary-glass {
    opacity: 0.9;
    transform: translateY(10px);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.glass-card:hover .btn-outline-glass,
.glass-card:hover .btn-primary-glass {
    opacity: 1;
    transform: translateY(0);
}

/* Animated floating icon for premium feel */
.glass-card:hover .glass-card__icon {
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1.1); }
    50% { transform: translateY(-8px) scale(1.1); }
}

.glass-card:hover .btn-outline-glass {
    opacity: 1;
    transform: translateY(0);
}


/* --- Section Divider Animation --- */
.section-heading__divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    margin: var(--space-md) auto;
    border: none;
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.section-heading.revealed .section-heading__divider {
    width: 100px;
}


/* --- Footer Column Reveal --- */
.site-footer__grid > div {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-footer__grid.revealed > div {
    opacity: 1;
    transform: translateY(0);
}

.site-footer__grid.revealed > div:nth-child(1) { transition-delay: 0.05s; }
.site-footer__grid.revealed > div:nth-child(2) { transition-delay: 0.15s; }
.site-footer__grid.revealed > div:nth-child(3) { transition-delay: 0.25s; }
.site-footer__grid.revealed > div:nth-child(4) { transition-delay: 0.35s; }

/* Footer bottom slide up */
.site-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.6s ease 0.5s,
                transform 0.6s ease 0.5s;
}

.site-footer__grid.revealed ~ .site-footer__divider ~ .site-footer__bottom,
.site-footer.revealed .site-footer__bottom {
    opacity: 1;
    transform: translateY(0);
}

/* Footer list items stagger */
.site-footer__list li {
    margin-bottom: var(--space-sm);
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.site-footer__grid.revealed .site-footer__list li {
    opacity: 1;
    transform: translateX(0);
}

.site-footer__grid.revealed .site-footer__list li:nth-child(1) { transition-delay: 0.2s; }
.site-footer__grid.revealed .site-footer__list li:nth-child(2) { transition-delay: 0.28s; }
.site-footer__grid.revealed .site-footer__list li:nth-child(3) { transition-delay: 0.36s; }
.site-footer__grid.revealed .site-footer__list li:nth-child(4) { transition-delay: 0.44s; }

/* Footer contact items stagger */
.site-footer__contact li {
    color: rgba(184, 169, 154, 0.85);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    line-height: 1.6;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.site-footer__grid.revealed .site-footer__contact li {
    opacity: 1;
    transform: translateX(0);
}

.site-footer__grid.revealed .site-footer__contact li:nth-child(1) { transition-delay: 0.2s; }
.site-footer__grid.revealed .site-footer__contact li:nth-child(2) { transition-delay: 0.3s; }
.site-footer__grid.revealed .site-footer__contact li:nth-child(3) { transition-delay: 0.4s; }


/* --- Respect Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .site-footer__grid > div,
    .site-footer__list li,
    .site-footer__contact li,
    .site-footer__bottom {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .hero-banner__content,
    .hero-banner__title,
    .hero-banner__subtitle {
        animation: none !important;
    }

    .hero-banner__image {
        animation: none !important;
    }

    .site-nav__links,
    .site-nav__links .site-nav__link {
        transition: none !important;
    }
}


/* --- Decorative Background --- */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    right: -30%;
    width: 80vw;
    height: 80vw;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-rose-soft) 0%, transparent 70%);
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -40%;
    left: -20%;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-blush) 0%, transparent 70%);
    opacity: 0.25;
    z-index: -1;
    pointer-events: none;
}