/**
 * Slash Premium theme styles.
 *
 * Mobile-first: base rules target small screens, min-width queries scale up.
 * The entire colour, spacing, radius and type system is CSS custom properties
 * so theme options can override any token live via an inline :root block.
 *
 * Brand constraint: gold + near-black are dominant. Teal is a sparing tech
 * accent only. No all-caps eyebrow spam, no glyph-suffixed buttons.
 */

/* ============================================================= TOKENS ==== */
:root {
	/* Colour ------------------------------------------------------------- */
	--sp-gold: #f3b21c;
	--sp-gold-deep: #c98a0e;
	--sp-gold-soft: rgba(243, 178, 28, 0.14);
	--sp-black: #0a0a0b;
	--sp-charcoal: #141419;
	--sp-surface: #1c1c22;
	--sp-line: rgba(255, 255, 255, 0.10);
	--sp-paper: #f6f4ef;
	--sp-paper-2: #ece9e1;
	--sp-ink: #16161a;
	--sp-ink-soft: #55555f;
	--sp-accent: #17c3c3;

	/* Semantic surfaces -------------------------------------------------- */
	--sp-bg: var(--sp-black);
	--sp-fg: #f4f2ee;
	--sp-fg-dim: rgba(244, 242, 238, 0.66);

	/* Typography --------------------------------------------------------- */
	--sp-font-head: "Space Grotesk", "Noto Sans Devanagari", system-ui, sans-serif;
	--sp-font-body: "Inter", "Noto Sans Devanagari", system-ui, -apple-system, sans-serif;

	/* Fluid type scale (clamp: min, preferred, max) ---------------------- */
	--fs-xs: clamp(0.78rem, 0.75rem + 0.15vw, 0.85rem);
	--fs-sm: clamp(0.88rem, 0.85rem + 0.2vw, 0.95rem);
	--fs-base: clamp(1rem, 0.96rem + 0.25vw, 1.08rem);
	--fs-lg: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
	--fs-xl: clamp(1.6rem, 1.35rem + 1.2vw, 2.2rem);
	--fs-2xl: clamp(2.1rem, 1.6rem + 2.4vw, 3.4rem);
	--fs-3xl: clamp(2.7rem, 1.9rem + 3.8vw, 4.8rem);

	/* Spacing scale ------------------------------------------------------ */
	--sp-1: 0.25rem;
	--sp-2: 0.5rem;
	--sp-3: 0.75rem;
	--sp-4: 1rem;
	--sp-5: 1.5rem;
	--sp-6: 2rem;
	--sp-7: 3rem;
	--sp-8: 4.5rem;
	--sp-9: 7rem;

	/* Radius & elevation ------------------------------------------------- */
	--sp-radius: 14px;
	--sp-radius-sm: 8px;
	--sp-radius-pill: 999px;
	--sp-shadow-1: 0 1px 2px rgba(0, 0, 0, 0.3);
	--sp-shadow-2: 0 18px 50px -24px rgba(0, 0, 0, 0.7);
	--sp-shadow-gold: 0 16px 40px -18px rgba(243, 178, 28, 0.45);

	/* Layout ------------------------------------------------------------- */
	--sp-container: 1240px;
	--sp-readable: 720px;
	--sp-gutter: clamp(1.1rem, 4vw, 2.5rem);
	--sp-header-h: 72px;
	--sp-logo-max-h: 44px;

	--sp-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================== RESET ====== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--sp-bg);
	color: var(--sp-fg);
	font-family: var(--sp-font-body);
	font-size: var(--fs-base);
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--sp-gold); }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
	font-family: var(--sp-font-head);
	font-weight: 600;
	line-height: 1.08;
	letter-spacing: -0.015em;
	margin: 0 0 var(--sp-4);
}
h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
p { margin: 0 0 var(--sp-4); }

:focus-visible {
	outline: 3px solid var(--sp-gold);
	outline-offset: 2px;
	border-radius: 4px;
}

.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: absolute; left: var(--sp-4); top: -100px;
	z-index: 1000; background: var(--sp-gold); color: var(--sp-black);
	padding: var(--sp-2) var(--sp-4); border-radius: var(--sp-radius-sm);
	transition: top 0.2s var(--sp-ease);
}
.skip-link:focus { top: var(--sp-4); }

/* ========================================================= LAYOUT ======= */
.container {
	width: 100%;
	max-width: var(--sp-container);
	margin-inline: auto;
	padding-inline: var(--sp-gutter);
}
.container-readable {
	width: 100%;
	max-width: var(--sp-readable);
	margin-inline: auto;
	padding-inline: var(--sp-gutter);
}
.section { padding-block: var(--sp-8); }
.fullwidth-content { width: 100%; }

/* ========================================================= BUTTONS ====== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--sp-2);
	padding: 0.78em 1.5em;
	font-family: var(--sp-font-head);
	font-weight: 600;
	font-size: var(--fs-sm);
	border-radius: var(--sp-radius-pill);
	border: 1px solid transparent;
	transition: transform 0.25s var(--sp-ease), box-shadow 0.25s var(--sp-ease), background 0.25s var(--sp-ease), color 0.25s var(--sp-ease);
}
.btn--gold {
	background: var(--sp-gold);
	color: var(--sp-black);
	box-shadow: var(--sp-shadow-1);
}
.btn--gold:hover {
	color: var(--sp-black);
	transform: translateY(-2px);
	box-shadow: var(--sp-shadow-gold);
}
.btn--ghost {
	background: transparent;
	color: var(--sp-fg);
	border-color: var(--sp-line);
}
.btn--ghost:hover {
	color: var(--sp-fg);
	border-color: var(--sp-gold);
	transform: translateY(-2px);
}

/* ========================================================= TOP BAR ====== */
.topbar {
	background: var(--sp-charcoal);
	border-bottom: 1px solid var(--sp-line);
	font-size: var(--fs-xs);
	color: var(--sp-fg-dim);
}
.topbar__inner {
	display: flex;
	flex-wrap: wrap;
	gap: var(--sp-3);
	justify-content: space-between;
	align-items: center;
	padding-block: var(--sp-2);
}
.topbar__contact { display: flex; flex-wrap: wrap; gap: var(--sp-4); }

/* ========================================================= HEADER ======= */
.site-header {
	position: relative;
	z-index: 100;
	background: var(--sp-black);
	border-bottom: 1px solid var(--sp-line);
	transition: background 0.35s var(--sp-ease), border-color 0.35s var(--sp-ease), box-shadow 0.35s var(--sp-ease);
}
.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--sp-5);
	min-height: var(--sp-header-h);
}

/* Flexible logo: capped height, width follows, any ratio survives. */
.branding { display: flex; align-items: center; }
.custom-logo,
.branding img {
	max-height: var(--sp-logo-max-h);
	width: auto;
	object-fit: contain;
}
.branding__text {
	font-family: var(--sp-font-head);
	font-weight: 700;
	font-size: var(--fs-lg);
	letter-spacing: -0.02em;
	color: var(--sp-fg);
}
.branding__text:hover { color: var(--sp-gold); }

/* Desktop nav hidden on mobile; hamburger shown. */
.main-nav { display: none; }
.nav-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px; height: 44px;
	background: transparent; border: 0;
}
.nav-toggle__box { position: relative; width: 24px; height: 16px; }
.nav-toggle__inner,
.nav-toggle__inner::before,
.nav-toggle__inner::after {
	content: "";
	position: absolute; left: 0;
	width: 100%; height: 2px;
	background: var(--sp-fg);
	border-radius: 2px;
	transition: transform 0.3s var(--sp-ease), opacity 0.2s var(--sp-ease);
}
.nav-toggle__inner { top: 50%; transform: translateY(-50%); }
.nav-toggle__inner::before { top: -7px; }
.nav-toggle__inner::after { top: 7px; }

/* Sticky + transparent-over-hero states (set by JS via body/header attrs). */
.site-header.is-sticky {
	position: fixed;
	top: 0; left: 0; right: 0;
	background: rgba(10, 10, 11, 0.82);
	backdrop-filter: saturate(140%) blur(14px);
	box-shadow: var(--sp-shadow-2);
}
.has-transparent-header .site-header:not(.is-sticky) {
	position: absolute;
	top: 0; left: 0; right: 0;
	background: transparent;
	border-bottom-color: transparent;
}
/* Reserve header height on transparent pages so hero starts under it. */
.has-transparent-header .site-content { margin-top: 0; }

/* ==================================================== MOBILE DRAWER ===== */
.mobile-drawer {
	position: fixed; inset: 0;
	z-index: 200;
	visibility: hidden;
	pointer-events: none;
}
.mobile-drawer::before {
	content: "";
	position: absolute; inset: 0;
	background: rgba(0, 0, 0, 0.6);
	opacity: 0;
	transition: opacity 0.35s var(--sp-ease);
}
.mobile-drawer__panel {
	position: absolute; top: 0; right: 0;
	height: 100%; width: min(88vw, 400px);
	background: var(--sp-charcoal);
	border-left: 1px solid var(--sp-line);
	padding: var(--sp-5) var(--sp-gutter);
	transform: translateX(100%);
	transition: transform 0.4s var(--sp-ease);
	display: flex; flex-direction: column;
	overflow-y: auto;
}
.mobile-drawer.is-open {
	visibility: visible;
	pointer-events: auto;
}
.mobile-drawer.is-open::before { opacity: 1; }
.mobile-drawer.is-open .mobile-drawer__panel { transform: translateX(0); }
.mobile-drawer__head {
	display: flex; align-items: center; justify-content: space-between;
	margin-bottom: var(--sp-6);
}
.mobile-drawer__close {
	background: transparent; border: 0; color: var(--sp-fg);
	font-size: 2rem; line-height: 1; width: 44px; height: 44px;
}
.mobile-menu { list-style: none; margin: 0; padding: 0; }
.mobile-menu li { border-bottom: 1px solid var(--sp-line); }
.mobile-menu a {
	display: block; padding: var(--sp-4) 0;
	font-family: var(--sp-font-head); font-size: var(--fs-lg);
}
.mobile-menu .sub-menu { list-style: none; margin: 0 0 var(--sp-2); padding-left: var(--sp-4); }
.mobile-menu .sub-menu a { font-size: var(--fs-base); color: var(--sp-fg-dim); }
.mobile-drawer__foot { margin-top: auto; padding-top: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-4); }

/* ============================================================ HERO ======= */
.hero {
	position: relative;
	overflow: hidden;
	padding-block: calc(var(--sp-header-h) + var(--sp-8)) var(--sp-9);
	background: radial-gradient(120% 120% at 15% 0%, #17171c 0%, var(--sp-black) 55%);
}
.hero__inner { position: relative; z-index: 2; max-width: 900px; }
.hero__marker {
	display: inline-block;
	font-family: var(--sp-font-head);
	font-size: var(--fs-sm);
	color: var(--sp-gold);
	letter-spacing: 0.02em;
	margin-bottom: var(--sp-4);
	padding-left: var(--sp-4);
	position: relative;
}
.hero__marker::before {
	content: ""; position: absolute; left: 0; top: 50%;
	width: 10px; height: 2px; background: var(--sp-gold);
	transform: translateY(-50%);
}
.hero__title { font-size: var(--fs-3xl); max-width: 16ch; }
.hero__lead { font-size: var(--fs-lg); color: var(--sp-fg-dim); max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }
.hero__hint { margin-top: var(--sp-6); font-size: var(--fs-sm); color: var(--sp-fg-dim); }
.hero__hint a { color: var(--sp-gold); border-bottom: 1px solid currentColor; }

/* Decorative layers: gold blob, teal blob (sparing), dot grid. */
.hero__decor { position: absolute; inset: 0; z-index: 1; }
.hero__blob {
	position: absolute; border-radius: 50%;
	filter: blur(70px); opacity: 0.5;
	animation: sp-drift 18s var(--sp-ease) infinite alternate;
}
.hero__blob--1 { width: 42vw; height: 42vw; top: -12%; right: -6%; background: radial-gradient(circle, rgba(243,178,28,0.55), transparent 70%); }
.hero__blob--2 { width: 30vw; height: 30vw; bottom: -14%; left: -8%; background: radial-gradient(circle, rgba(23,195,195,0.35), transparent 70%); animation-delay: -6s; }
.hero__grid {
	position: absolute; inset: 0;
	background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
	background-size: 26px 26px;
	mask-image: linear-gradient(to bottom, black, transparent 65%);
	-webkit-mask-image: linear-gradient(to bottom, black, transparent 65%);
}
@keyframes sp-drift {
	from { transform: translate3d(0, 0, 0) scale(1); }
	to { transform: translate3d(2vw, 3vh, 0) scale(1.08); }
}

/* ============================================================ GRID ======= */
.page-title { font-size: var(--fs-2xl); margin-bottom: var(--sp-6); }
.post-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--sp-5);
}
.card {
	background: var(--sp-charcoal);
	border: 1px solid var(--sp-line);
	border-radius: var(--sp-radius);
	overflow: hidden;
	transition: transform 0.3s var(--sp-ease), border-color 0.3s var(--sp-ease);
}
.card:hover { transform: translateY(-4px); border-color: rgba(243,178,28,0.4); }
.card__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.card__body { padding: var(--sp-5); }
.card__cat {
	display: inline-block; font-size: var(--fs-xs);
	color: var(--sp-gold); margin-bottom: var(--sp-2);
}
.card__title { font-size: var(--fs-lg); margin-bottom: var(--sp-3); }
.card__excerpt { color: var(--sp-fg-dim); font-size: var(--fs-sm); }
.card__meta { font-size: var(--fs-xs); color: var(--sp-fg-dim); margin-top: var(--sp-3); }

/* ================================================= SINGLE / PAGE ======== */
.page-header, .single-post__header { padding-block: var(--sp-8) var(--sp-5); }
.single-post__cat, .card__cat { text-transform: none; }
.single-post__title { font-size: var(--fs-2xl); }
.single-post__meta { color: var(--sp-fg-dim); font-size: var(--fs-sm); }
.single-post__media { margin-block: var(--sp-6); }
.single-post__media img { width: 100%; border-radius: var(--sp-radius); }
.single-post__content { font-size: var(--fs-lg); }
.single-post__content img { border-radius: var(--sp-radius-sm); margin-block: var(--sp-5); }
.post-tags { list-style: none; display: flex; flex-wrap: wrap; gap: var(--sp-2); padding: 0; margin-top: var(--sp-6); }
.post-tags li a {
	display: inline-block; font-size: var(--fs-xs);
	padding: var(--sp-1) var(--sp-3); border: 1px solid var(--sp-line);
	border-radius: var(--sp-radius-pill); color: var(--sp-fg-dim);
}
.author-box {
	display: flex; gap: var(--sp-4); align-items: flex-start;
	margin-top: var(--sp-7); padding: var(--sp-5);
	background: var(--sp-charcoal); border-radius: var(--sp-radius);
}
.author-box img { border-radius: 50%; }
.author-box__bio { color: var(--sp-fg-dim); font-size: var(--fs-sm); margin: var(--sp-1) 0 0; }

/* ============================================================ 404 ======== */
.error-404__inner { text-align: center; max-width: 560px; margin-inline: auto; }
.error-404__code {
	font-family: var(--sp-font-head); font-weight: 700;
	font-size: clamp(5rem, 20vw, 11rem); line-height: 1;
	color: transparent; -webkit-text-stroke: 2px var(--sp-gold);
	margin: 0 0 var(--sp-4);
}
.error-404 .btn { margin-top: var(--sp-5); }

/* ===================================================== EMPTY STATE ====== */
.empty-state {
	text-align: center;
	padding: var(--sp-8) var(--sp-4);
	color: var(--sp-fg-dim);
	border: 1px dashed var(--sp-line);
	border-radius: var(--sp-radius);
}

/* ========================================================= FOOTER ======= */
.site-footer {
	background: var(--sp-charcoal);
	border-top: 1px solid var(--sp-line);
	margin-top: var(--sp-9);
}
.site-footer__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--sp-6);
	padding-block: var(--sp-8);
}
.site-footer__blurb { color: var(--sp-fg-dim); font-size: var(--fs-sm); max-width: 40ch; margin-top: var(--sp-4); }
.footer-widget__title { font-size: var(--fs-base); color: var(--sp-fg); margin-bottom: var(--sp-3); }
.site-footer__col ul { list-style: none; padding: 0; margin: 0; }
.site-footer__col li { margin-bottom: var(--sp-2); }
.site-footer__col a { color: var(--sp-fg-dim); font-size: var(--fs-sm); }
.site-footer__col a:hover { color: var(--sp-gold); }
.site-footer__bar { border-top: 1px solid var(--sp-line); }
.site-footer__bar-inner {
	display: flex; flex-wrap: wrap; gap: var(--sp-3);
	justify-content: space-between; align-items: center;
	padding-block: var(--sp-4); font-size: var(--fs-xs); color: var(--sp-fg-dim);
}
.footer-nav__list, .social-menu__list {
	display: flex; flex-wrap: wrap; gap: var(--sp-4);
	list-style: none; padding: 0; margin: 0;
}

/* ==================================================== PAGINATION ======== */
.pagination { margin-top: var(--sp-7); }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: var(--sp-2); justify-content: center; }
.pagination a, .pagination span {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 42px; height: 42px; padding-inline: var(--sp-2);
	border: 1px solid var(--sp-line); border-radius: var(--sp-radius-sm);
}
.pagination .current { background: var(--sp-gold); color: var(--sp-black); border-color: var(--sp-gold); }

/* ================================================= SEARCH FORM =========== */
.search-form { display: flex; gap: var(--sp-2); margin: var(--sp-5) 0; }
.search-field {
	flex: 1; padding: 0.7em 1em; border-radius: var(--sp-radius-sm);
	border: 1px solid var(--sp-line); background: var(--sp-surface); color: var(--sp-fg);
}
.search-submit {
	padding: 0.7em 1.3em; border: 0; border-radius: var(--sp-radius-sm);
	background: var(--sp-gold); color: var(--sp-black); font-weight: 600;
}

/* ================================================ REVEAL UTILITY ======== */
[data-reveal] {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 0.7s var(--sp-ease), transform 0.7s var(--sp-ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }
/* Stagger children of a reveal root. */
[data-reveal-root] [data-reveal]:nth-child(2) { transition-delay: 0.08s; }
[data-reveal-root] [data-reveal]:nth-child(3) { transition-delay: 0.16s; }
[data-reveal-root] [data-reveal]:nth-child(4) { transition-delay: 0.24s; }
[data-reveal-root] [data-reveal]:nth-child(5) { transition-delay: 0.32s; }

/* ========================================== LIGHT SECTION VARIANT ======= */
.section--light {
	background: var(--sp-paper);
	color: var(--sp-ink);
}
.section--light h1, .section--light h2, .section--light h3 { color: var(--sp-ink); }
.section--light p { color: var(--sp-ink-soft); }

/* ================================================ RESPONSIVE UP ========== */
@media (min-width: 720px) {
	.post-grid { grid-template-columns: repeat(2, 1fr); }
	.site-footer__grid { grid-template-columns: 1.6fr 1fr 1fr; }
}

@media (min-width: 1000px) {
	:root { --sp-header-h: 84px; --sp-logo-max-h: 48px; }
	.nav-toggle { display: none; }
	.main-nav { display: flex; align-items: center; gap: var(--sp-6); }
	.nav-menu {
		display: flex; align-items: center; gap: var(--sp-5);
		list-style: none; margin: 0; padding: 0;
	}
	.nav-menu > li { position: relative; }
	.nav-menu > li > a {
		display: inline-block; padding: var(--sp-2) 0;
		font-family: var(--sp-font-head); font-weight: 500; font-size: var(--fs-sm);
		position: relative;
	}
	/* Animated underline nav state. */
	.nav-menu > li > a::after {
		content: ""; position: absolute; left: 0; bottom: -2px;
		width: 100%; height: 2px; background: var(--sp-gold);
		transform: scaleX(0); transform-origin: left;
		transition: transform 0.3s var(--sp-ease);
	}
	.nav-menu > li:hover > a::after,
	.nav-menu > li.current-menu-item > a::after { transform: scaleX(1); }

	/* Dropdown / mega-ready sub-menus. */
	.nav-menu .sub-menu {
		position: absolute; top: 100%; left: 0;
		min-width: 220px; padding: var(--sp-3);
		list-style: none; margin: var(--sp-3) 0 0;
		background: var(--sp-charcoal); border: 1px solid var(--sp-line);
		border-radius: var(--sp-radius); box-shadow: var(--sp-shadow-2);
		opacity: 0; visibility: hidden; transform: translateY(6px);
		transition: opacity 0.25s var(--sp-ease), transform 0.25s var(--sp-ease), visibility 0.25s;
	}
	.nav-menu li:hover > .sub-menu,
	.nav-menu li:focus-within > .sub-menu {
		opacity: 1; visibility: visible; transform: translateY(0);
	}
	.nav-menu .sub-menu a { display: block; padding: var(--sp-2) var(--sp-3); border-radius: var(--sp-radius-sm); font-size: var(--fs-sm); }
	.nav-menu .sub-menu a:hover { background: var(--sp-gold-soft); }
	.header__cta { margin-left: var(--sp-2); }
}

@media (min-width: 1100px) {
	.post-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ================================================ REDUCED MOTION ========= */
@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;
	}
	[data-reveal] { opacity: 1; transform: none; }
	.hero__blob { animation: none; }
}
/* Global animation off-switch (theme option). */
.no-animations [data-reveal] { opacity: 1; transform: none; transition: none; }
.no-animations .hero__blob { animation: none; }