/* ========================================
   Monterey Korean School — Custom Styles
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background: rgba(242, 112, 90, 0.3);
    color: #ffffff;
}

/* ========================================
   Scroll Reveal Animations
   Progressive enhancement: only active
   when JS is enabled and user prefers motion
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .js-enabled .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);
    }

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

    .js-enabled .reveal-delay-1 { transition-delay: 0.1s; }
    .js-enabled .reveal-delay-2 { transition-delay: 0.2s; }
    .js-enabled .reveal-delay-3 { transition-delay: 0.3s; }
    .js-enabled .reveal-delay-4 { transition-delay: 0.4s; }
    .js-enabled .reveal-delay-5 { transition-delay: 0.5s; }
    .js-enabled .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ========================================
   Navbar
   ======================================== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(26, 26, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu toggle animation */
.menu-line {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-toggle.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 20px;
}

/* ========================================
   Custom scrollbar
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1A1A1A;
}

::-webkit-scrollbar-thumb {
    background: #3D3D3D;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4A4A4A;
}

/* ========================================
   Form styles
   ======================================== */
select option {
    background: #2C2C2C;
    color: #ffffff;
}

textarea:focus,
input:focus,
select:focus {
    outline: none;
    border-color: #F2705A !important;
    box-shadow: 0 0 0 1px rgba(242, 112, 90, 0.2);
}

/* ========================================
   Subtle hover lift on cards
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .bg-charcoal-900.rounded-2xl {
        transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .bg-charcoal-900.rounded-2xl:hover {
        transform: translateY(-2px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    }
}

/* ========================================
   Image lazy loading fade-in
   ======================================== */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}

/* ========================================
   Reduce motion for accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}