/* Global reset and typography */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	scrollbar-width: thin;
	scrollbar-color: var(--primary-color) var(--background-alt);
}

html {
	scroll-behavior: smooth;
	font-size: 16px;
	color: var(--text-dark);
	background-color: var(--background);
	color-scheme: light;
	forced-color-adjust: none;
}

body {
	font-family: var(--font-system);
	line-height: 1.75;
	color: var(--text-dark);
	background-color: var(--background);
	overflow-x: hidden;
	font-weight: 400;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	animation: fade-in 0.6s ease-out;
}

body > * {
	animation: page-load 0.8s ease-out;
}

::selection {
	background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(79, 172, 254, 0.3) 100%);
	color: var(--text-dark);
}

button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
	outline: 2px solid var(--primary-color);
	outline-offset: 2px;
	box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

::-webkit-scrollbar {
	width: 12px;
	height: 12px;
}

::-webkit-scrollbar-track {
	background: linear-gradient(135deg, var(--background-alt) 0%, var(--background-hero) 100%);
}

::-webkit-scrollbar-thumb {
	background: var(--gradient-primary);
	border-radius: 6px;
	border: 2px solid var(--background-alt);
	transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
	background: var(--gradient-ai);
	box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

.container {
	max-width: 1140px;
	margin: 0 auto;
	padding: 0 16px;
}

@media (min-width: 640px) {
	.container { padding: 0 24px; }
}

@media (min-width: 1024px) {
	.container { padding: 0 32px; }
}

h1,
h2,
h3,
h4,
h5,
h6 {
	line-height: 1.2;
	margin-bottom: 1rem;
	font-weight: 700;
	letter-spacing: -0.025em;
}

h1 {
	font-size: clamp(2rem, 5vw, 3.5rem);
	font-weight: 800;
	background: var(--gradient-primary);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

h2 {
	font-size: clamp(1.875rem, 4vw, 2.75rem);
	font-weight: 700;
	color: var(--text-dark);
}

h3 {
	font-size: clamp(1.25rem, 3vw, 1.75rem);
	font-weight: 600;
	color: var(--text-dark);
}

.card h3 {
	font-size: clamp(1.125rem, 2.8vw, 1.5rem);
}

p {
	line-height: 1.75;
	color: var(--text-readable);
	margin-bottom: 1rem;
	max-width: 75ch;
}

a {
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

main {
	margin-top: 70px;
	padding-bottom: 0;
}

footer {
	padding-bottom: 80px;
}

@media (prefers-color-scheme: dark) {
	html,
	body {
		background-color: var(--background) !important;
		color: var(--text-dark) !important;
	}
}