/**
 * IlmGhar Foundation — reset, typography, layout, utilities.
 */

/* ---------- Reset ---------- */
*,
*::before,
*::after {
	box-sizing: border-box;
}

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

body {
	margin: 0;
	font-family: var(--ig-font-sans);
	font-size: var(--ig-text-body);
	font-weight: var(--ig-font-weight-regular);
	line-height: var(--ig-leading-normal);
	color: var(--ig-color-text);
	background-color: var(--ig-color-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

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

img[loading="lazy"] {
	content-visibility: auto;
}

a {
	color: var(--ig-color-primary);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.15em;
	transition: color var(--ig-duration) var(--ig-ease);
}

a:hover {
	color: var(--ig-color-secondary);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
	outline: none;
	box-shadow: var(--ig-focus-ring);
}

button,
input,
select,
textarea {
	font: inherit;
	color: inherit;
}

button {
	cursor: pointer;
	border: none;
	background: none;
	padding: 0;
}

ul,
ol {
	margin: 0;
	padding: 0;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
	margin-top: 0;
}

/* ---------- Typography system ---------- */
.ig-h1,
h1 {
	font-size: var(--ig-text-h1);
	font-weight: var(--ig-font-weight-bold);
	line-height: var(--ig-leading-tight);
	letter-spacing: var(--ig-tracking-tight);
	color: var(--ig-color-text);
	margin-bottom: var(--ig-space-4);
}

.ig-h2,
h2 {
	font-size: var(--ig-text-h2);
	font-weight: var(--ig-font-weight-bold);
	line-height: var(--ig-leading-tight);
	letter-spacing: var(--ig-tracking-tight);
	color: var(--ig-color-text);
	margin-bottom: var(--ig-space-4);
}

.ig-h3,
h3 {
	font-size: var(--ig-text-h3);
	font-weight: var(--ig-font-weight-semibold);
	line-height: var(--ig-leading-snug);
	color: var(--ig-color-text);
	margin-bottom: var(--ig-space-3);
}

.ig-h4,
h4 {
	font-size: var(--ig-text-h4);
	font-weight: var(--ig-font-weight-semibold);
	line-height: var(--ig-leading-snug);
	color: var(--ig-color-text);
	margin-bottom: var(--ig-space-3);
}

.ig-text,
p {
	font-size: var(--ig-text-body);
	line-height: var(--ig-leading-normal);
	color: var(--ig-color-text);
	margin-bottom: var(--ig-space-4);
}

.ig-text-small,
small {
	font-size: var(--ig-text-small);
	line-height: var(--ig-leading-normal);
	color: var(--ig-color-text-muted);
}

.ig-text-button {
	font-size: var(--ig-text-button);
	font-weight: var(--ig-font-weight-semibold);
	line-height: 1.25;
	letter-spacing: 0.01em;
}

.ig-caption {
	font-size: var(--ig-text-caption);
	font-weight: var(--ig-font-weight-medium);
	line-height: 1.4;
	letter-spacing: 0.02em;
	color: var(--ig-color-text-subtle);
	text-transform: uppercase;
}

.ig-lead {
	font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
	color: var(--ig-color-text-muted);
	margin-bottom: var(--ig-space-6);
}

/* ---------- Skip link ---------- */
.ig-skip-link {
	position: absolute;
	left: var(--ig-space-4);
	top: -100px;
	z-index: calc(var(--ig-z-modal) + 1);
	padding: var(--ig-space-3) var(--ig-space-4);
	background: var(--ig-color-primary);
	color: var(--ig-color-text-inverse);
	border-radius: var(--ig-radius-md);
	text-decoration: none;
	font-weight: var(--ig-font-weight-semibold);
}

.ig-skip-link:focus {
	top: var(--ig-space-4);
	color: var(--ig-color-text-inverse);
	box-shadow: var(--ig-focus-ring);
}

/* ---------- Layout system ---------- */
.ig-site {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.ig-main {
	flex: 1 0 auto;
	padding-top: var(--ig-header-height);
}

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

.ig-container--narrow {
	max-width: var(--ig-container-narrow);
}

.ig-container--wide {
	max-width: var(--ig-container-wide);
}

.ig-section {
	padding-block: var(--ig-section-y);
}

.ig-section--light {
	background-color: var(--ig-color-bg-light);
}

.ig-layout {
	display: grid;
	gap: var(--ig-grid-gap);
}

.ig-layout--sidebar {
	grid-template-columns: 1fr;
}

@media (min-width: 992px) {
	.ig-layout--sidebar {
		grid-template-columns: minmax(0, 1fr) var(--ig-sidebar-width);
		align-items: start;
	}

	.ig-layout--sidebar-left {
		grid-template-columns: var(--ig-sidebar-width) minmax(0, 1fr);
	}
}

.ig-content {
	min-width: 0;
}

.ig-sidebar {
	min-width: 0;
}

.ig-grid {
	display: grid;
	gap: var(--ig-grid-gap);
	grid-template-columns: 1fr;
}

@media (min-width: 640px) {
	.ig-grid--2 {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 992px) {
	.ig-grid--3 {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.ig-grid--4 {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}
}

/* ---------- Page shell ---------- */
.ig-page-header {
	padding-block: var(--ig-space-10) var(--ig-space-8);
	background: linear-gradient(180deg, var(--ig-color-bg-light) 0%, var(--ig-color-bg) 100%);
	border-bottom: 1px solid var(--ig-color-border);
}

.ig-page-header__title {
	margin-bottom: var(--ig-space-2);
}

.ig-page-header__desc {
	margin-bottom: 0;
	max-width: 40rem;
	color: var(--ig-color-text-muted);
}

.ig-page {
	padding-block: var(--ig-space-10) var(--ig-space-16);
}

.ig-page-placeholder {
	padding: var(--ig-space-10);
	background: var(--ig-color-bg-light);
	border: 1px dashed var(--ig-color-border-strong);
	border-radius: var(--ig-radius-lg);
	text-align: center;
}

.ig-page-placeholder__title {
	margin-bottom: var(--ig-space-3);
}

.ig-page-placeholder__text {
	margin: 0 auto;
	max-width: 36rem;
	color: var(--ig-color-text-muted);
}

.ig-entry-content > *:last-child {
	margin-bottom: 0;
}

/* ---------- Utilities ---------- */
.ig-sr-only {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	padding: 0 !important;
	margin: -1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	white-space: nowrap !important;
	border: 0 !important;
}

.ig-flex {
	display: flex;
}

.ig-flex-center {
	display: flex;
	align-items: center;
	justify-content: center;
}

.ig-flex-between {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.ig-gap-2 { gap: var(--ig-space-2); }
.ig-gap-3 { gap: var(--ig-space-3); }
.ig-gap-4 { gap: var(--ig-space-4); }
.ig-gap-6 { gap: var(--ig-space-6); }

.ig-mt-0 { margin-top: 0; }
.ig-mb-0 { margin-bottom: 0; }
.ig-mb-4 { margin-bottom: var(--ig-space-4); }
.ig-mb-6 { margin-bottom: var(--ig-space-6); }
.ig-mb-8 { margin-bottom: var(--ig-space-8); }

.ig-text-muted { color: var(--ig-color-text-muted); }
.ig-text-center { text-align: center; }

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}