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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #ffffff;
    color: #000000;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 36px;
    background: transparent;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 101;
    color: #000;
}

.nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1.8px;
    color: #000;
    transition: opacity 0.25s ease;
}

.nav-link:hover {
    opacity: 0.6;
}

/* Hamburger (mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 101;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: #000;
    transition: 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 4px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -4px);
}

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99;
    background: #fff;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-nav.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-link {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 3px;
    color: #333;
    transition: color 0.25s ease;
}

.mobile-nav-link:hover {
    color: #000;
}

/* ===== E8 CANVAS CONTAINER ===== */
.e8-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

.e8-canvas-wrapper {
    width: min(90vw, 90vh);
    height: min(90vw, 90vh);
    display: flex;
    align-items: center;
    justify-content: center;
}

.e8-canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .header {
        padding: 18px 20px;
    }

    .nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-nav {
        display: flex;
    }
    
    .e8-canvas-wrapper {
        width: 95vw;
        height: 95vw;
    }
}