@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

:root {
	--bg: #0a0a0f;
	--surface: #13131a;
	--surface2: #1c1c27;
	--border: #2a2a3a;
	--accent: #6c63ff;
	--accent2: #ff6584;
	--accent3: #43e97b;
	--text: #e8e8f0;
	--text-muted: #8888aa;
	--text-dim: #555570;
	--font-head: 'Syne', sans-serif;
	--font-body: 'DM Sans', sans-serif;
	--radius: 12px;
	--radius-lg: 20px;
	--transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
	--max-width: 860px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
	background: var(--bg);
	color: var(--text);
	font-family: var(--font-body);
	font-size: 17px;
	line-height: 1.7;
	min-height: 100vh;
}

body::before {
	content: '';
	position: fixed;
	inset: 0;
	background:
		radial-gradient(ellipse 80% 60% at 20% 10%, rgba(108,99,255,0.10) 0%, transparent 60%),
		radial-gradient(ellipse 60% 50% at 80% 80%, rgba(255,101,132,0.06) 0%, transparent 60%);
	pointer-events: none;
	z-index: 0;
}

/* ── Skip links ── */
.skip-links {
	position: absolute;
	top: 0; left: 0;
	z-index: 9999;
	display: flex;
	gap: 8px;
	padding: 4px;
}
.skip-links a {
	display: inline-block;
	padding: 8px 16px;
	background: var(--accent);
	color: #fff;
	font-size: 14px;
	font-weight: 500;
	text-decoration: none;
	border-radius: 6px;
	transform: translateY(-120%);
	transition: transform var(--transition);
}
.skip-links a:focus { transform: translateY(0); }

/* ── Header ── */
header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(10,10,15,0.90);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border-bottom: 1px solid var(--border);
}

.header-inner {
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 32px;
	height: 64px;
	display: flex;
	align-items: center;
	gap: 40px;
}

.logo {
	font-family: var(--font-head);
	font-size: 20px;
	font-weight: 800;
	color: var(--text);
	text-decoration: none;
	letter-spacing: -0.5px;
	white-space: nowrap;
	flex-shrink: 0;
}
.logo span { color: var(--accent); }

nav#main-nav { flex: 1; }
nav#main-nav ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 2px;
	align-items: center;
}
nav#main-nav a {
	display: block;
	padding: 7px 13px;
	color: var(--text-muted);
	text-decoration: none;
	font-size: 14px;
	font-weight: 500;
	border-radius: 8px;
	transition: background var(--transition), color var(--transition);
	white-space: nowrap;
}
nav#main-nav a:hover,
nav#main-nav a:focus {
	background: var(--surface2);
	color: var(--text);
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}
nav#main-nav a[aria-current="page"] {
	color: var(--accent);
	background: rgba(108,99,255,0.08);
}

/* ── Main ── */
main {
	position: relative;
	z-index: 1;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 64px 32px 96px;
}

/* ── Tipografía ── */
h1 {
	font-family: var(--font-head);
	font-size: clamp(2.2rem, 5vw, 3.6rem);
	font-weight: 800;
	line-height: 1.1;
	letter-spacing: -1px;
	margin-bottom: 24px;
}
h1 .hl {
	background: linear-gradient(135deg, var(--accent), var(--accent2));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

h2 {
	font-family: var(--font-head);
	font-size: clamp(1.4rem, 3vw, 2rem);
	font-weight: 700;
	letter-spacing: -0.4px;
	margin: 48px 0 16px;
	color: var(--text);
}
h2:first-child { margin-top: 0; }

h3 {
	font-family: var(--font-head);
	font-size: 1.1rem;
	font-weight: 700;
	margin-bottom: 10px;
	color: var(--text);
}

p {
	color: var(--text-muted);
	margin-bottom: 16px;
}
p:last-child { margin-bottom: 0; }

.lead {
	font-size: 1.1rem;
	color: var(--text);
	line-height: 1.8;
	margin-bottom: 32px;
}

/* ── Divisor ── */
.divider {
	height: 1px;
	background: var(--border);
	margin: 40px 0;
}

/* ── Badge ── */
.badge {
	display: inline-block;
	padding: 4px 12px;
	border-radius: 100px;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.5px;
	text-transform: uppercase;
	margin-bottom: 12px;
}
.badge-purple { background: rgba(108,99,255,0.15); color: var(--accent); border: 1px solid rgba(108,99,255,0.3); }
.badge-gray   { background: rgba(136,136,170,0.10); color: var(--text-muted); border: 1px solid var(--border); }

/* ── Botones ── */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 11px 22px;
	border-radius: var(--radius);
	font-family: var(--font-body);
	font-size: 15px;
	font-weight: 500;
	text-decoration: none;
	cursor: pointer;
	border: none;
	transition: all var(--transition);
}
.btn:focus { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #7c75ff; transform: translateY(-1px); }

.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(108,99,255,0.07); }

.btn-group { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* ── Card ── */
.card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 32px;
	transition: border-color var(--transition);
}
.card:hover { border-color: rgba(108,99,255,0.4); }

/* ── Listas con viñetas ── */
ul.styled-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}
ul.styled-list li {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	color: var(--text-muted);
	font-size: 16px;
	line-height: 1.6;
}
ul.styled-list li::before {
	content: '';
	display: block;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--accent);
	flex-shrink: 0;
	margin-top: 9px;
}
ul.styled-list li strong { color: var(--text); font-weight: 500; }

/* ── Item de complemento (enlace a página) ── */
.addon-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 24px 28px;
	text-decoration: none;
	transition: all var(--transition);
	margin-top: 12px;
}
.addon-item:hover, .addon-item:focus {
	border-color: var(--accent);
	background: var(--surface2);
	transform: translateX(4px);
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}
.addon-item h3 { margin-bottom: 4px; }
.addon-item p { font-size: 14px; margin: 0; }
.addon-arrow { color: var(--accent); font-size: 20px; flex-shrink: 0; font-weight: 300; }

/* ── Volver atrás ── */
.back-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--text-muted);
	font-size: 14px;
	font-weight: 500;
	text-decoration: none;
	margin-bottom: 36px;
	padding: 6px 0;
	background: none;
	border: none;
	cursor: pointer;
	transition: color var(--transition);
}
.back-btn:hover, .back-btn:focus {
	color: var(--accent);
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 4px;
}

/* ── Empty state ── */
.empty-state {
	background: var(--surface);
	border: 1px dashed var(--border);
	border-radius: var(--radius-lg);
	padding: 56px 32px;
	text-align: center;
	margin-top: 24px;
}
.empty-state h3 { font-size: 1.1rem; color: var(--text-muted); font-weight: 500; margin-bottom: 8px; }
.empty-state p { font-size: 14px; color: var(--text-dim); margin: 0; }

/* ── Formulario ── */
.form-group { margin-bottom: 20px; }
label {
	display: block;
	font-size: 14px;
	font-weight: 500;
	color: var(--text);
	margin-bottom: 8px;
}
input, textarea {
	width: 100%;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	color: var(--text);
	font-family: var(--font-body);
	font-size: 15px;
	padding: 12px 16px;
	transition: border-color var(--transition), box-shadow var(--transition);
	outline: none;
}
input:focus, textarea:focus {
	border-color: var(--accent);
	box-shadow: 0 0 0 3px rgba(108,99,255,0.18);
}
textarea { resize: vertical; min-height: 140px; }
input::placeholder, textarea::placeholder { color: var(--text-dim); }

.form-note { font-size: 13px; color: var(--text-dim); margin-top: 8px; }

.alert {
	display: none;
	padding: 16px 20px;
	border-radius: var(--radius);
	font-size: 15px;
	margin-top: 16px;
}
.alert-success { background: rgba(67,233,123,0.10); border: 1px solid rgba(67,233,123,0.25); color: var(--accent3); }
.alert-error   { background: rgba(255,101,132,0.10); border: 1px solid rgba(255,101,132,0.25); color: var(--accent2); }

/* ── Footer ── */
footer {
	position: relative;
	z-index: 1;
	border-top: 1px solid var(--border);
	padding: 28px 32px;
	text-align: center;
}
footer p { font-size: 13px; color: var(--text-dim); margin: 0; }

/* ── Focus global ── */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ── Animación entrada ── */
@keyframes fadeUp {
	from { opacity: 0; transform: translateY(20px); }
	to   { opacity: 1; transform: translateY(0); }
}
main > * {
	animation: fadeUp 0.45s cubic-bezier(0.4,0,0.2,1) both;
}
main > *:nth-child(2) { animation-delay: 0.07s; }
main > *:nth-child(3) { animation-delay: 0.14s; }
main > *:nth-child(4) { animation-delay: 0.21s; }
main > *:nth-child(5) { animation-delay: 0.28s; }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 700px) {
	.header-inner { padding: 0 16px; gap: 16px; }
	main { padding: 40px 16px 64px; }
	nav#main-nav a { font-size: 13px; padding: 6px 10px; }
}