/* ===== Base & Reset ===== */
*, *::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 {
    background: rgba(94, 234, 212, 0.25);
    color: #fff;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background: rgba(6, 15, 31, 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.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 1;
}

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

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-line {
    transition: transform 0.35s ease, opacity 0.3s ease, width 0.3s ease;
    transform-origin: center;
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

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

#menu-toggle.active .menu-line:nth-child(3) {
    width: 24px;
    transform: translateY(-4px) rotate(-45deg);
}

/* ===== Hero Orbs ===== */
.hero-orb {
    animation: orbFloat 8s ease-in-out infinite;
}

.orb-2 { animation-delay: -3s; animation-duration: 10s; }
.orb-3 { animation-delay: -5s; animation-duration: 12s; }

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -25px) scale(1.05); }
    66% { transform: translate(-15px, 15px) scale(0.97); }
}

/* ===== Stars ===== */
.animate-star {
    animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}

/* ===== Menu Cards ===== */
.menu-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

.menu-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.menu-card:hover {
    box-shadow: 0 20px 60px rgba(94, 234, 212, 0.08);
}

/* ===== Gallery ===== */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0);
    transition: border-color 0.4s ease;
    pointer-events: none;
}

.gallery-item:hover::after {
    border-color: rgba(94, 234, 212, 0.3);
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
}

/* Fallback: if JS is disabled, everything is visible */
.no-js .reveal {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Button Focus States ===== */
a:focus-visible, button:focus-visible {
    outline: 2px solid rgba(94, 234, 212, 0.6);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ===== Smooth scrollbar ===== */
@media (prefers-reduced-motion: no-preference) {
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #060F1F;
    }
    ::-webkit-scrollbar-thumb {
        background: rgba(94, 234, 212, 0.2);
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: rgba(94, 234, 212, 0.4);
    }
}