/**
 * Reset, base typography, global utilities.
 */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--color-bg);
	background-image: var(--gradient-bg-radial);
	background-attachment: fixed;
	color: var(--color-text);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.6;
	overflow-x: hidden;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

img,
svg,
video,
canvas {
	max-width: 100%;
	display: block;
}

a {
	color: inherit;
	text-decoration: none;
}

ul,
ol {
	margin: 0;
	padding: 0;
	list-style: none;
}

button,
input,
textarea,
select {
	font: inherit;
	color: inherit;
	background: none;
	border: none;
}

button {
	cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--font-heading);
	font-weight: 600;
	line-height: 1.15;
	margin: 0 0 0.6em;
	letter-spacing: -0.01em;
}

p {
	margin: 0 0 1em;
	color: var(--color-text-muted);
}

::selection {
	background: rgba(var(--color-accent-rgb), 0.35);
	color: #fff;
}

/* Focus states — always visible, never removed */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
	border-radius: var(--radius-sm);
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link {
	position: fixed;
	top: -100px;
	left: 1rem;
	z-index: 10000;
	background: var(--color-accent);
	color: var(--color-accent-contrast);
	padding: 0.75rem 1.25rem;
	border-radius: var(--radius-sm);
	font-weight: 600;
	transition: top var(--transition-fast);
}

.skip-link:focus {
	top: 1rem;
}

.container {
	width: 100%;
	max-width: var(--container-width);
	margin-inline: auto;
	padding-inline: var(--container-padding);
}

.section {
	padding-block: clamp(4rem, 9vw, 7rem);
	position: relative;
}

/* Keep the fixed header from covering anchor-jumped section tops. */
[id] {
	scroll-margin-top: var(--header-height);
}

.section-heading {
	max-width: 640px;
	margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-heading__eyebrow {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.8rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--color-accent);
	margin-bottom: 0.9rem;
}

.section-heading__title {
	font-size: clamp(1.9rem, 3.4vw, 2.75rem);
	margin-bottom: 0.6em;
}

.section-heading__intro {
	font-size: 1.05rem;
	color: var(--color-text-muted);
	margin-bottom: 0;
}

.section-subheading {
	margin: clamp(3rem, 6vw, 4.5rem) 0 2rem;
}

.section-subheading h3 {
	font-size: 1.4rem;
	margin-bottom: 0.4em;
}

.section-subheading p {
	margin: 0;
}

/* Respect the user's OS-level reduced-motion preference everywhere */
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
		scroll-behavior: auto !important;
	}
}