/* ─── 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 {
    background: rgba(212, 168, 83, 0.3);
    color: #f1f5f9;
}

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

/* Default visible state for no-JS */
.scroll-reveal {
    opacity: 1;
    transform: none;
}

/* ─── Floating Cards Animation ─── */
@media (prefers-reduced-motion: no-preference) {
    .floating-card {
        animation: float-slow 6s ease-in-out infinite;
    }

    .floating-card-2 {
        animation: float-medium 5s ease-in-out infinite 0.5s;
    }

    .floating-card-3 {
        animation: float-slow 7s ease-in-out infinite 1s;
    }

    .floating-card-4 {
        animation: float-medium 4.5s ease-in-out infinite 0.3s;
    }

    @keyframes float-slow {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-10px); }
    }

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

/* ─── Navbar ─── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(6, 12, 24, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

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

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s 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; }

/* ─── Menu Button Animation ─── */
.menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.menu-btn.active .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

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

::-webkit-scrollbar-track {
    background: #060c18;
}

::-webkit-scrollbar-thumb {
    background: #1e3a5f;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4a853;
}

/* ─── Focus Styles ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #d4a853;
    outline-offset: 2px;
}

/* ─── Input Autofill ─── */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0a1628 inset !important;
    -webkit-text-fill-color: #f1f5f9 !important;
    caret-color: #f1f5f9;
}