/* ===== Base & Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #fbbf24;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #040B14;
}
::-webkit-scrollbar-thumb {
    background: #1D3557;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #fbbf24;
}

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

#navbar.scrolled {
    background: rgba(4, 11, 20, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(251, 191, 36, 0.08);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

/* ===== Mobile Menu ===== */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.open .mobile-link {
    animation: fadeSlideIn 0.4s ease forwards;
    opacity: 0;
}

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

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Menu Button ===== */
.menu-line {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
#menuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.2rem;
}

/* ===== Scroll Dot ===== */
@keyframes scrollDot {
    0% { top: 0; opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.scroll-dot {
    animation: scrollDot 1.8s ease-in-out infinite;
}

/* ===== Pin Bounce ===== */
@keyframes pinBounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, -10px); }
}

.animate-pin-bounce {
    animation: pinBounce 2s ease-in-out infinite;
}

/* ===== Reveal Animations ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ===== Gold shimmer on hover for links ===== */
a {
    text-decoration: none;
}

/* ===== Focus styles ===== */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
}

/* ===== Image lazy loading ===== */
img {
    max-width: 100%;
    height: auto;
}