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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #f0f3fa;
}

/* ===== Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

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

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ===== FAQ Accordion ===== */
.faq-item {
    overflow: hidden;
}

.faq-btn {
    cursor: pointer;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
}

.faq-content.open {
    max-height: 200px;
}

/* ===== Navbar scroll state ===== */
.navbar-scrolled {
    background: rgba(8, 15, 32, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 160, 23, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

::-webkit-scrollbar-track {
    background: #080f20;
}

::-webkit-scrollbar-thumb {
    background: #253558;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4a017;
}

/* ===== Focus styles ===== */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #d4a017;
    outline-offset: 2px;
}

/* ===== Responsive adjustments ===== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}