/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* Enhanced Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(10, 26, 47, 0.98);
    backdrop-filter: blur(8px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    background: transparent;
    padding: 1rem;
}

.menu-bar {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--accent-yellow);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Animated Mobile Menu */
.mobile-menu.active .menu-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.mobile-menu.active .menu-bar:nth-child(2) {
    opacity: 0;
}
.mobile-menu.active .menu-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Spark Animation */
.spark-container {
    position: relative;
    width: 100%;
    height: 400px;
}

.spark {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-yellow);
    border-radius: 50%;
    animation: sparkle 1.5s infinite;
}

@keyframes sparkle {
    0% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(0); }
}
