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

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&display=swap');

:root {
	--bg: #0a0a0a;
	--overlay-bg: rgba(255, 255, 255, 0.08);
	--card-bg: rgba(255, 255, 255, 0.04);
	--card-border: rgba(255, 255, 255, 0.18);
	--accent: rgba(255, 255, 255, 0.85);
	--text: #f8f8f8;
	--muted: rgba(255, 255, 255, 0.72);
}

html,
body {
	height: 100%;
}

body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	background: url('assets/bg.jpg') center center / cover no-repeat fixed;
	color: var(--text);
	overflow: hidden;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body::before {
	content: '';
	position: fixed;
	inset: 0;

	background:
		radial-gradient(circle at center, rgba(255,255,255,0.04), transparent 45%),
		rgba(0, 0, 0, 0.55);

	pointer-events: none;
	z-index: -1;
}

/* Overlay con blur (backdrop-filter) */
.overlay {
	position: fixed;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(0, 0, 0, 0.35);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	z-index: 2;
	opacity: 1;
	visibility: visible;
	transition: opacity 400ms ease, visibility 400ms ease;
}

.overlay.hidden {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
}

.intro-content {
	font-family: 'Bebas Neue', 'Arial Black', sans-serif;
	font-size: 3.5rem;
	font-weight: 700;
	padding: 1rem 2rem;
	border-radius: 0;
	background: transparent;
	box-shadow: none;
	cursor: pointer;
	user-select: none;
	color: var(--text);
	transition: transform 300ms ease, opacity 300ms ease, text-shadow 300ms ease, filter 300ms ease;
	text-shadow: 
		0 0 20px rgba(255, 255, 255, 0.4),
		0 0 40px rgba(255, 255, 255, 0.3),
		0 0 60px rgba(100, 100, 100, 0.2),
		0 4px 15px rgba(0, 0, 0, 0.5);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	-webkit-text-stroke: 0.5px rgba(255, 255, 255, 0.3);
}

.intro-content:hover,
.intro-content:focus {
	transform: scale(1.08);
	text-shadow: 
		0 0 30px rgba(255, 255, 255, 0.6),
		0 0 60px rgba(58, 58, 58, 0.5),
		0 0 90px rgba(29, 29, 29, 0.4),
		0 6px 20px rgba(0, 0, 0, 0.6);
	filter: brightness(1.2);
}

.intro-content:focus {
	outline: 3px solid var(--accent);
}

.overlay.hidden .intro-content {
	transform: translateY(10px) scale(0.98);
	opacity: 0;
}

/* Estados reutilizables para mostrar/ocultar con transiciones */
.is-hidden {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 400ms ease, visibility 400ms ease;
}

.is-visible {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transition: opacity 400ms ease, visibility 400ms ease;
}

/* Contenido principal */
main {
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	perspective: 1000px;
}

.center {
	font-size: 2rem;
}

/* Ajustes responsivos */
@media (min-width: 640px) {
	.intro-content {
		font-size: 3rem;
		padding: 2rem 3rem;
	}
	.center { font-size: 2.25rem; }
}

/* Tarjeta principal */
.card {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.75rem;
	background: var(--card-bg);
	padding: 1.75rem 2rem;
	border-radius: 18px;
	border: 1px solid var(--card-border);
	box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
	min-width: 280px;
	max-width: 440px;
	text-align: center;
	backdrop-filter: blur(8px);
	position: relative;
	z-index: 1;
	transition: transform 50ms linear;
	will-change: transform;
}

.eky-title {
	font-size: 2.25rem;
	letter-spacing: 1px;
	font-weight: 800;
	text-transform: uppercase;
	text-shadow: 0 0 18px rgba(255, 255, 255, 0.12);
	cursor: pointer;
	transition: filter 200ms ease;
}

.eky-title.blur-active {
	filter: blur(4px);
}

.tagline {
	font-size: 1rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	color: var(--muted);
}

.socials {
	display: flex;
	gap: 1rem;
	margin-top: 0.5rem;
}

.socials a {
	color: #ffffff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: 14px;
	background: rgba(255,255,255,0.06);
	border: 1px solid rgba(255,255,255,0.14);
	transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.socials a:hover,
.socials a:focus {
	transform: translateY(-4px);
	background: rgba(255,255,255,0.06);
	outline: none;
}

.socials svg {
	width: 22px;
	height: 22px;
	color: #fff;
}

@media (min-width: 640px) {
	.card { padding: 2.25rem 2.5rem; }
	.eky-title { font-size: 3rem; }
	.profile-img { width: 124px; height: 124px; }
}

.profile-img {
	width: 108px;
	height: 108px;
	border-radius: 999px;
	object-fit: cover;
	border: 3px solid rgba(255, 255, 255, 0.9);
	box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08), 0 16px 40px rgba(0, 0, 0, 0.35);
}

/* Volume Control */
.volume-control {
	position: fixed;
	bottom: 1.5rem;
	right: 1.5rem;
	display: flex;
	align-items: center;
	gap: 0.75rem;
	background: rgba(255, 255, 255, 0.06);
	padding: 0.75rem 1rem;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.14);
	backdrop-filter: blur(8px);
	z-index: 10;
}

.volume-control svg {
	color: var(--text);
	flex-shrink: 0;
}

.volume-control input[type="range"] {
	width: 120px;
	height: 4px;
	-webkit-appearance: none;
	appearance: none;
	background: rgba(255, 255, 255, 0.2);
	border-radius: 2px;
	outline: none;
	cursor: pointer;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 14px;
	height: 14px;
	border-radius: 50%;
	background: var(--text);
	cursor: pointer;
	transition: transform 150ms ease;
}

.volume-control input[type="range"]::-webkit-slider-thumb:hover {
	transform: scale(1.2);
}

.volume-control input[type="range"]::-moz-range-thumb {
	width: 14px;
	height: 14px;
	border-radius: 50%;
	background: var(--text);
	border: none;
	cursor: pointer;
	transition: transform 150ms ease;
}

.volume-control input[type="range"]::-moz-range-thumb:hover {
	transform: scale(1.2);
}

.volume-control span {
	color: var(--muted);
	font-size: 0.875rem;
	min-width: 35px;
	text-align: right;
}

@media (max-width: 640px) {
	.volume-control {
		bottom: 1rem;
		right: 1rem;
		padding: 0.5rem 0.75rem;
		gap: 0.5rem;
	}
	.volume-control input[type="range"] {
		width: 80px;
	}
}