/* =========================
   GLOBAL
========================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    display: flex;
    min-height: 100vh;
    background: #333;
    font-family: Arial, Helvetica, sans-serif;
    color: white;
}

/* =========================
   HAMBURGER MENU
========================= */

.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;

    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 32px;
    height: 4px;
    margin: 6px 0;

    background: white;
    border-radius: 2px;

    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* =========================
   OVERLAY
========================= */

.overlay {
    position: fixed;
    inset: 0;

    background: rgba(0, 0, 0, 0.55);

    opacity: 0;
    visibility: hidden;

    transition: 0.3s ease;

    z-index: 999;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* =========================
   SIDEBAR
========================= */

.sidebar {
    width: 160px;
    background: #920018;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    position: relative;

    flex-shrink: 0;
}

.sidebar h1 {
    writing-mode: vertical-rl;
    transform: rotate(180deg);

    color: white;
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 4px;
}

.sidebar nav {
    position: absolute;
    bottom: 30px;
    left: 20px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin: 12px 0;
}

.sidebar a {
    color: white;