*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { height: 100%; }

body {
	min-height: 100%;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	color: #fff;
	background: #1d242a;
}

.bg {
	position: fixed;
	inset: 0;
	background:
		linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
		url("../images/forest.jpg") center center / cover no-repeat;
	z-index: 0;
}

/* ── Header ── */
header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 1.25em 2em;
}

header .logo {
	font-size: 0.9em;
	font-weight: 700;
	letter-spacing: 0.25em;
	text-transform: uppercase;
	color: #fff;
	text-decoration: none;
	opacity: 0;
	animation: fadeIn 0.6s ease 0.4s forwards;
}

.header-right {
	display: flex;
	align-items: center;
	gap: 1em;
	opacity: 0;
	animation: fadeIn 0.6s ease 0.4s forwards;
}

/* ── Language Toggle ── */
.lang-toggle {
	background: rgba(255,255,255,0.1);
	border: 1px solid rgba(255,255,255,0.2);
	border-radius: 4px;
	padding: 0.3em 0.6em;
	color: rgba(255,255,255,0.7);
	font-size: 0.75em;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
	user-select: none;
}

.lang-toggle:hover {
	background: rgba(255,255,255,0.2);
	color: #fff;
}

/* ── Menu Toggle ── */
.menu-toggle {
	background: none;
	border: none;
	cursor: pointer;
	padding: 0.5em;
	z-index: 200;
}

.menu-toggle span {
	display: block;
	width: 24px;
	height: 2px;
	background: #fff;
	margin: 5px 0;
	transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
	transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
	opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
	transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Side Menu ── */
.menu-overlay {
	position: fixed;
	inset: 0;
	background: rgba(0,0,0,0.5);
	z-index: 150;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease, visibility 0.4s ease;
}

.menu-overlay.visible {
	opacity: 1;
	visibility: visible;
}

.side-menu {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	width: 280px;
	max-width: 80vw;
	background: #2e3842;
	z-index: 160;
	transform: translateX(100%);
	transition: transform 0.4s ease;
	display: flex;
	flex-direction: column;
	padding: 4em 2em 2em;
}

.side-menu.open {
	transform: translateX(0);
}

.side-menu nav {
	flex: 1;
	display: flex;
	flex-direction: column;
}

.side-menu .menu-links {
	list-style: none;
	flex: 1;
}

.side-menu .menu-links li {
	border-top: 1px solid rgba(255,255,255,0.1);
}

.side-menu .menu-links li:last-child {
	border-bottom: 1px solid rgba(255,255,255,0.1);
}

.side-menu .menu-links a {
	display: flex;
	align-items: center;
	gap: 0.75em;
	padding: 0.85em 0;
	color: rgba(255,255,255,0.75);
	text-decoration: none;
	font-size: 0.9em;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	transition: color 0.2s ease;
}

.side-menu .menu-links a:hover {
	color: #fff;
}

.side-menu .menu-links .icon svg,
.side-menu .menu-bottom .icon svg {
	width: 1.1em;
	height: 1.1em;
	fill: currentColor;
	vertical-align: middle;
}

.side-menu .menu-links .icon {
	width: 1.4em;
	text-align: center;
	font-size: 1.1em;
	opacity: 0.6;
}

.side-menu .menu-bottom {
	list-style: none;
	margin-top: auto;
	padding-top: 1.5em;
}

.side-menu .menu-bottom li {
	border-top: 1px solid rgba(255,255,255,0.1);
}

.side-menu .menu-bottom a {
	display: flex;
	align-items: center;
	gap: 0.75em;
	padding: 0.85em 0;
	color: rgba(255,255,255,0.4);
	text-decoration: none;
	font-size: 0.8em;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	transition: color 0.2s ease;
}

.side-menu .menu-bottom a:hover {
	color: rgba(255,255,255,0.7);
}

/* ── Animations ── */
@keyframes titleReveal {
	to { opacity: 1; transform: scale(1); }
}

@keyframes lineExpand {
	to { width: 100%; }
}

@keyframes fadeIn {
	to { opacity: 1; }
}

/* ── Responsive ── */
@media (max-width: 736px) {
	header { padding: 1em 1.25em; }
	.side-menu { width: 100%; max-width: 100vw; }
}

@media (max-width: 480px) {
	header .logo { font-size: 0.8em; }
}