/* ── 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(168, 213, 200, 0.25);
    color: #E8EDF4;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0B1D3A;
}
::-webkit-scrollbar-thumb {
    background: #1E4672;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2A5C90;
}

/* ── Hero Animations ── */
.hero-anim {
    opacity: 0;
    transform: translateY(24px);
    animation: heroIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.15s; }
.hero-anim:nth-child(2) { animation-delay: 0.35s; }
.hero-anim:nth-child(3) { animation-delay: 0.55s; }
.hero-anim:nth-child(4) { animation-delay: 0.75s; }

@keyframes heroIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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);
}

.reveal:not(.revealed) {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal:not(.revealed) {
        opacity: 0;
        transform: translateY(32px);
    }
}

/* ── Navbar ── */
#navbar.scrolled {
    background: rgba(4, 10, 20, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(30, 70, 114, 0.3);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* ── Mobile Menu ── */
.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    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; }

/* ── Image Hover ── */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ── Input Focus ── */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ── Date Input Fix ── */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.7) sepia(1) saturate(3) hue-rotate(120deg);
    cursor: pointer;
}