/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { min-height: 100vh; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
}
.reveal[data-reveal="left"] {
    transform: translateX(-40px);
}
.reveal[data-reveal="right"] {
    transform: translateX(40px);
}
.reveal[data-reveal="scale"] {
    transform: scale(0.95);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(40px);
    }
    .reveal[data-reveal="left"] { transform: translateX(-40px); }
    .reveal[data-reveal="right"] { transform: translateX(40px); }
    .reveal[data-reveal="scale"] { transform: scale(0.95); }
}

/* ===== MARQUEE ===== */
.marquee-track {
    animation: marquee 30s linear infinite;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== NAVBAR SCROLL ===== */
#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(94, 234, 212, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== MOBILE MENU ===== */
.mobile-link {
    opacity: 1;
    transform: none;
}
#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== MOBILE MENU BUTTON ===== */
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
    width: 6px;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #040810; }
::-webkit-scrollbar-thumb { background: #1e3a5c; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #5eead4; }

/* ===== SELECTION ===== */
::selection { background: rgba(94, 234, 212, 0.3); color: #f0f4f8; }

/* ===== FOCUS VISIBLE ===== */
:focus-visible { outline: 2px solid #5eead4; outline-offset: 2px; }

/* ===== SMOOTH IMAGE LOADING ===== */
img { image-rendering: auto; }