/* ==========================================================================
   SMA Negeri 73 Jakarta — Nike-inspired editorial chrome
   Tokens from DESIGN.md: ink/canvas/soft-cloud, pill CTAs, flat cards, 8px grid
   ========================================================================== */

:root {
	/* Color */
	--ink: #111111;
	--on-primary: #ffffff;
	--canvas: #ffffff;
	--soft-cloud: #f5f5f5;
	--charcoal: #39393b;
	--ash: #4b4b4d;
	--mute: #707072;
	--stone: #9e9ea0;
	--hairline: #cacacb;
	--hairline-soft: #e5e5e5;
	--sale: #d30005;
	--success: #007d48;
	--info: #1151ff;

	/* Radius */
	--r-none: 0px;
	--r-sm: 18px;
	--r-md: 24px;
	--r-lg: 30px;
	--r-full: 9999px;

	/* Spacing (8px base) */
	--s-xxs: 2px;
	--s-xs: 4px;
	--s-sm: 8px;
	--s-md: 12px;
	--s-lg: 18px;
	--s-xl: 24px;
	--s-xxl: 30px;
	--s-section: 48px;

	/* Type */
	--font-display: "Bebas Neue", "Arial Narrow", Impact, sans-serif;
	--font-ui: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;

	--maxw: 1440px;
	--gutter: 24px;
}

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

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

body {
	margin: 0;
	font-family: var(--font-ui);
	font-size: 16px;
	line-height: 1.5;
	color: var(--ink);
	background: var(--canvas);
	-webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.2; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--ink);
	color: var(--on-primary);
	padding: var(--s-sm) var(--s-md);
	z-index: 1000;
}
.skip-link:focus { left: var(--s-sm); }

/* Layout -------------------------------------------------------------- */
.wrap {
	width: 100%;
	max-width: var(--maxw);
	margin-inline: auto;
	padding-inline: var(--gutter);
}

.section { padding-block: var(--s-section); }
.section--tight { padding-block: var(--s-xxl); }

.section-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: var(--s-md);
	margin-bottom: var(--s-xl);
	border-bottom: 1px solid var(--hairline);
	padding-bottom: var(--s-md);
}

.eyebrow {
	font-size: 12px;
	font-weight: 500;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--mute);
}

.h-xl { font-size: 32px; }
.h-lg { font-size: 24px; }
.h-md { font-size: 16px; line-height: 1.75; }

.display {
	font-family: var(--font-display);
	text-transform: uppercase;
	line-height: 0.9;
	letter-spacing: -0.005em;
	font-weight: 400;
}

.lead { font-size: 18px; color: var(--charcoal); max-width: 60ch; }
.muted { color: var(--mute); }

/* Buttons ------------------------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--s-sm);
	font-family: var(--font-ui);
	font-size: 16px;
	font-weight: 500;
	line-height: 1;
	border: 0;
	cursor: pointer;
	border-radius: var(--r-lg);
	padding: 16px 32px;
	min-height: 48px;
	transition: transform 120ms ease, opacity 120ms ease;
}
.btn:active { transform: scale(0.97); opacity: 0.85; }

.btn--primary { background: var(--ink); color: var(--on-primary); }
.btn--secondary { background: var(--soft-cloud); color: var(--ink); }
.btn--on-image {
	background: var(--canvas);
	color: var(--ink);
	padding: 12px 24px;
	min-height: 44px;
}

/* Utility bar --------------------------------------------------------- */
.utility-bar {
	background: var(--soft-cloud);
	color: var(--ink);
	font-size: 12px;
	font-weight: 500;
}
.utility-bar .wrap {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: var(--s-lg);
	min-height: 36px;
}
.utility-bar a:hover { color: var(--mute); }

/* Primary nav --------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--canvas); }
.site-header.is-scrolled { box-shadow: inset 0 -1px 0 var(--hairline-soft); }

.primary-nav .wrap {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 56px;
	gap: var(--s-lg);
}

.brand {
	display: flex;
	align-items: center;
	gap: var(--s-sm);
	font-family: var(--font-display);
	font-size: 22px;
	text-transform: uppercase;
	letter-spacing: 0.01em;
	white-space: nowrap;
}
.brand img { width: 40px; height: 40px; object-fit: contain; }

.nav-menu { display: flex; align-items: center; gap: var(--s-xl); }
.nav-menu a {
	font-weight: 500;
	padding: 6px 0;
	border-bottom: 2px solid transparent;
}
.nav-menu .current-menu-item > a,
.nav-menu a[aria-current="page"] { border-bottom-color: var(--ink); }
.nav-menu a:hover { color: var(--mute); }

.nav-toggle {
	display: none;
	width: 44px;
	height: 44px;
	background: var(--soft-cloud);
	border: 0;
	border-radius: var(--r-full);
	cursor: pointer;
	align-items: center;
	justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
	content: "";
	display: block;
	width: 18px;
	height: 2px;
	background: var(--ink);
	position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* Hero ---------------------------------------------------------------- */
.hero {
	position: relative;
	min-height: 72vh;
	display: flex;
	align-items: flex-end;
	background: var(--ink);
	overflow: hidden;
}
.hero__img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0.78;
}
.hero__inner {
	position: relative;
	z-index: 2;
	padding-block: var(--s-section);
	color: var(--on-primary);
}
.hero__title {
	font-family: var(--font-display);
	text-transform: uppercase;
	line-height: 0.9;
	font-size: clamp(48px, 9vw, 96px);
	max-width: 14ch;
}
.hero__sub { margin-top: var(--s-md); max-width: 48ch; font-size: 18px; }
.hero__cta { margin-top: var(--s-xl); }

/* Stat strip ---------------------------------------------------------- */
.stat-grid {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: var(--s-sm);
}
.stat {
	background: var(--soft-cloud);
	padding: var(--s-xl);
	display: flex;
	flex-direction: column;
	gap: var(--s-xs);
}
.stat__num {
	font-family: var(--font-display);
	font-size: clamp(40px, 6vw, 72px);
	line-height: 0.9;
}
.stat__label { font-size: 14px; font-weight: 500; color: var(--mute); }

/* Misi rows ----------------------------------------------------------- */
.visi-quote {
	font-family: var(--font-display);
	text-transform: uppercase;
	line-height: 0.95;
	font-size: clamp(32px, 6vw, 64px);
	max-width: 18ch;
}
.misi-row {
	display: grid;
	grid-template-columns: 64px 1fr;
	gap: var(--s-lg);
	align-items: start;
	padding-block: var(--s-xl);
	border-bottom: 1px solid var(--hairline);
}
.misi-row__num {
	font-family: var(--font-display);
	font-size: 40px;
	line-height: 1;
	color: var(--ink);
}
.misi-row__text { font-size: 18px; line-height: 1.5; }
.misi-row strong { font-weight: 700; }

/* Cards / grids ------------------------------------------------------- */
.grid {
	display: grid;
	gap: var(--s-sm);
	grid-template-columns: repeat(3, 1fr);
}
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card { background: var(--canvas); }
.card__media {
	aspect-ratio: 1 / 1;
	background: var(--soft-cloud);
	overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding-top: var(--s-md); display: flex; flex-direction: column; gap: var(--s-xs); }
.card__title { font-size: 16px; font-weight: 700; }
.card__cat { font-size: 14px; font-weight: 500; color: var(--mute); }
.card__desc { font-size: 14px; color: var(--charcoal); line-height: 1.5; }

/* Filter chips -------------------------------------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: var(--s-sm); margin-bottom: var(--s-xl); }
.chip {
	border: 1px solid var(--hairline);
	background: var(--canvas);
	color: var(--ink);
	font-size: 14px;
	font-weight: 500;
	padding: 8px 16px;
	border-radius: var(--r-lg);
	min-height: 40px;
	cursor: pointer;
}
.chip.is-active { background: var(--ink); color: var(--on-primary); border-color: var(--ink); }

/* Horizontal rail ----------------------------------------------------- */
.rail {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: minmax(260px, 1fr);
	gap: var(--s-sm);
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	padding-bottom: var(--s-sm);
}
.rail > * { scroll-snap-align: start; }

/* Editorial image tile ------------------------------------------------ */
.tile {
	position: relative;
	aspect-ratio: 4 / 5;
	background: var(--soft-cloud);
	overflow: hidden;
}
.tile img { width: 100%; height: 100%; object-fit: cover; }
.tile__cta { position: absolute; left: var(--s-lg); bottom: var(--s-lg); }
.tile__label {
	position: absolute;
	left: var(--s-lg);
	top: var(--s-lg);
	color: var(--on-primary);
	font-family: var(--font-display);
	font-size: 28px;
	text-transform: uppercase;
	text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}

/* Contact ------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-section); }
.contact-list { display: flex; flex-direction: column; gap: var(--s-lg); }
.contact-list dt { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--mute); }
.contact-list dd { margin: 0; font-size: 18px; font-weight: 500; }
.map-embed { aspect-ratio: 16 / 10; background: var(--soft-cloud); }
.map-embed iframe { width: 100%; height: 100%; border: 0; }

/* Form ---------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: var(--s-md); }
.field { display: flex; flex-direction: column; gap: var(--s-xs); }
.field label { font-size: 14px; font-weight: 500; }
.field input,
.field textarea {
	font-family: var(--font-ui);
	font-size: 16px;
	padding: 12px 16px;
	border: 1px solid var(--hairline);
	border-radius: var(--r-md);
	background: var(--soft-cloud);
}
.field input:focus,
.field textarea:focus { background: var(--canvas); border-color: var(--ink); outline: none; }
.field textarea { min-height: 140px; resize: vertical; }
.hp-field { position: absolute; left: -9999px; }

.notice { padding: var(--s-md) var(--s-lg); border-radius: var(--r-md); font-weight: 500; }
.notice--ok { background: var(--soft-cloud); color: var(--success); }
.notice--err { background: var(--soft-cloud); color: var(--sale); }

/* Page header --------------------------------------------------------- */
.page-hero { padding-block: var(--s-section) var(--s-xl); border-bottom: 1px solid var(--hairline); }
.page-hero__title {
	font-family: var(--font-display);
	text-transform: uppercase;
	line-height: 0.9;
	font-size: clamp(40px, 8vw, 80px);
}
.breadcrumb { font-size: 14px; color: var(--mute); margin-bottom: var(--s-sm); }
.breadcrumb a:hover { color: var(--ink); }

/* Prose --------------------------------------------------------------- */
.prose { max-width: 70ch; }
.prose p { margin: 0 0 var(--s-lg); line-height: 1.6; }
.prose h2 { font-size: 24px; margin: var(--s-xl) 0 var(--s-md); }

/* Footer -------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--hairline); padding-block: var(--s-section); }
.footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--s-section); }
.footer-col h3 { font-size: 16px; font-weight: 700; margin-bottom: var(--s-md); }
.footer-col a { display: block; font-size: 14px; color: var(--mute); padding: 4px 0; }
.footer-col a:hover { color: var(--ink); }
.footer-brand { font-family: var(--font-display); font-size: 28px; text-transform: uppercase; }
.fine-print {
	margin-top: var(--s-section);
	padding-top: var(--s-lg);
	border-top: 1px solid var(--hairline);
	font-size: 12px;
	color: var(--mute);
	display: flex;
	flex-wrap: wrap;
	gap: var(--s-md);
	justify-content: space-between;
}

/* Responsive ---------------------------------------------------------- */
@media (max-width: 1023px) {
	.grid, .grid--4 { grid-template-columns: repeat(2, 1fr); }
	.stat-grid { grid-template-columns: repeat(3, 1fr); }
	.footer-cols { grid-template-columns: 1fr 1fr; gap: var(--s-xl); }
	.section { padding-block: 32px; }
}

@media (max-width: 768px) {
	:root { --gutter: 16px; }
	.nav-menu {
		display: none;
		position: fixed;
		inset: 92px 0 0 0;
		flex-direction: column;
		align-items: flex-start;
		gap: 0;
		background: var(--canvas);
		padding: var(--s-lg) var(--gutter);
		z-index: 90;
		overflow-y: auto;
	}
	.nav-menu.is-open { display: flex; }
	.nav-menu a { width: 100%; padding: var(--s-md) 0; border-bottom: 1px solid var(--hairline); }
	.nav-toggle { display: inline-flex; }
	.contact-grid { grid-template-columns: 1fr; gap: var(--s-xl); }
	.section { padding-block: 24px; }
}

@media (max-width: 599px) {
	.grid, .grid--4, .grid--2 { grid-template-columns: 1fr; }
	.stat-grid { grid-template-columns: repeat(2, 1fr); }
	.misi-row { grid-template-columns: 48px 1fr; }
}