/* ========================================
   POC.HK — Future Technology Observatory
   Theme: Luminous Authority
   Palette: Pure White + Teal/Amber/Magenta
   Type: Playfair Display + Inter
   ======================================== */

/* ---- CSS Variables ---- */
:root {
	/* Pure White Base */
	--bg-white: #FFFFFF;
	--bg-light: #F8FAFC;
	--bg-section: #F1F5F9;
	--bg-warm: #FFFBEB;
	
	/* Text — Near-black, not pure black */
	--text-primary: #0D0D12;
	--text-secondary: #475569;
	--text-muted: #94A3B8;
	
	/* Signature Accent Palette */
	--accent-teal: #00B4D8;
	--accent-teal-dark: #0077B6;
	--accent-teal-light: #E0F7FE;
	--accent-amber: #FF9F1C;
	--accent-amber-light: #FFF3E0;
	--accent-magenta: #9B5DE5;
	--accent-magenta-light: #F3E8FF;

	/* Category Colors — vibrant, distinct */
	--cat-space: #9B5DE5;
	--cat-satellite: #E63946;
	--cat-solar: #FF9F1C;
	--cat-fusion: #06D6A0;
	--cat-ai: #00B4D8;
	--cat-orbit: #4CC9F0;
	--cat-robot: #7209B7;
	--cat-auto: #0077B6;
	--cat-biotech: #F72585;
	--cat-defense: #E07A5F;
	--cat-companies: #D4A017;
	--cat-research: #4361EE;
	--cat-energy: #38B000;
    
	/* UI Colors */
	--border-light: #E2E8F0;
	--border-subtle: #F1F5F9;
	
	/* Shadows — light, airy */
	--shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 1px 4px rgba(0,0,0,0.02);
	--shadow-card-hover: 0 8px 24px rgba(0,180,216,0.10), 0 2px 8px rgba(0,0,0,0.04);
	--shadow-hero: 0 12px 32px -8px rgba(0,180,216,0.12);
	--shadow-nav: 0 1px 0 rgba(0,0,0,0.06);
	
	/* Typography */
	--font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
	--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
	
	--font-size-xs: 0.75rem;
	--font-size-sm: 0.8125rem;
	--font-size-base: 0.9375rem;
	--font-size-lg: 1.0625rem;
	--font-size-xl: 1.25rem;
	--font-size-2xl: 1.625rem;
	--font-size-3xl: 2.25rem;
	--font-size-4xl: 3rem;
	--font-size-5xl: 3.75rem;
	
	/* Layout */
	--radius-sm: 6px;
	--radius-md: 10px;
	--radius-lg: 14px;
	--radius-xl: 18px;
	--max-width: 1200px;
	
	/* Transitions */
	--transition-fast: 0.15s ease;
	--transition-base: 0.25s ease;
	--transition-slow: 0.4s ease;
}

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

html { scroll-behavior: smooth; }

body {
	font-family: var(--font-sans);
	font-size: var(--font-size-base);
	line-height: 1.7;
	color: var(--text-primary);
	background: var(--bg-white);
	padding-top: 72px;
	margin: 0;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

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

a {
	color: var(--accent-teal-dark);
	text-decoration: none;
	transition: color var(--transition-fast);
}

a:hover { color: var(--accent-teal); }

::selection {
	background: var(--accent-teal);
	color: white;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-serif);
	font-weight: 700;
	line-height: 1.25;
	color: var(--text-primary);
}

p { margin: 0 0 1.25rem; }

/* ---- Navigation — Pure White ---- */
.navbar-poc {
	background: var(--bg-white) !important;
	padding: 0;
	min-height: 72px;
	border-bottom: 1px solid var(--border-light);
	box-shadow: none;
	transition: background var(--transition-base);
}

.navbar-poc .container { height: 72px; }

.navbar-poc .navbar-brand {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 0;
}

.brand-block {
	display: flex;
	flex-direction: row;
	align-items: center;
	gap: 8px;
}

.mobile-overlay-top .brand-slogan {
	display: inline-block;
	font-family: var(--font-sans);
	font-size: 0.6rem;
	font-weight: 500;
	color: var(--text-muted);
	letter-spacing: 0.04em;
	opacity: 0.7;
}

.brand-slogan {
	font-family: Georgia, 'Times New Roman', serif;
	font-size: 0.6rem;
	color: var(--text-muted);
	white-space: nowrap;
	margin-left: 4px;
	letter-spacing: 0.04em;
	opacity: 0.7;
}

@media (min-width: 768px) {
	.brand-slogan {
		font-size: 0.7rem;
	}
}

/* ---- Site Masthead ---- */
.site-masthead {
	background: var(--bg-light);
	border-bottom: 1px solid var(--border-light);
	text-align: center;
	padding: 18px 0 14px;
	margin-top: 72px;
}

@media (max-width: 767px) {
	.site-masthead {
		margin-top: 68px;
		padding: 14px 0 10px;
	}
}

@media (max-width: 400px) {
	.site-masthead {
		margin-top: 68px;
		padding: 12px 0 8px;
	}
}

.masthead-title {
	font-family: Georgia, 'Times New Roman', Times, serif;
	font-size: 1.35rem;
	font-weight: 700;
	color: var(--text-primary);
	margin: 0 0 4px;
	letter-spacing: -0.3px;
	line-height: 1.2;
}

@media (max-width: 767px) {
	.masthead-title {
		font-size: 1.25rem;
	}
}

@media (max-width: 400px) {
	.masthead-title {
		font-size: 1.1rem;
	}
}

.masthead-tagline {
	font-family: var(--font-sans);
	font-size: 0.7rem;
	font-weight: 400;
	color: var(--text-muted);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	margin-bottom: 5px;
	opacity: 0.7;
}

@media (max-width: 400px) {
	.masthead-tagline {
		font-size: 0.6rem;
	}
}

.masthead-meta {
	font-family: var(--font-sans);
	font-size: 0.65rem;
	color: var(--text-muted);
	letter-spacing: 0.06em;
	text-transform: uppercase;
	opacity: 0.55;
}

.masthead-sep {
	margin: 0 6px;
	opacity: 0.4;
}

@media (min-width: 768px) {
	.brand-slogan {
		display: inline-block;
	}
}

.brand-mark {
	width: 36px;
	height: 36px;
	background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-serif);
	font-weight: 700;
	font-size: 1.1rem;
	color: white;
}

.brand-text {
	font-family: Georgia, 'Times New Roman', serif;
	font-weight: 700;
	font-size: 1.35rem;
	color: #0D0D12;
	letter-spacing: -0.5px;
}

.brand-highlight {
	color: var(--accent-teal-dark);
}

.brand-tagline {
	font-size: 0.65rem;
	color: var(--text-muted);
	font-weight: 400;
	display: block;
	line-height: 1.2;
	letter-spacing: 0.02em;
	margin-top: -1px;
}

@media (max-width: 575.98px) {
	.brand-tagline {
		font-size: 0.55rem;
		letter-spacing: 0.01em;
	}
}

@media (max-width: 440px) {
	.brand-tagline {
		display: none;
	}
	.brand-text {
		font-size: 1.1rem;
	}
	.brand-mark {
		width: 30px;
		height: 30px;
		font-size: 0.95rem;
	}
}

.navbar-poc .nav-link {
	color: var(--text-secondary) !important;
	font-size: 0.85rem;
	font-weight: 500;
	padding: 0.5rem 0.85rem;
	border-radius: var(--radius-sm);
	transition: all var(--transition-fast);
}

.navbar-poc .nav-link:hover {
	color: var(--accent-teal-dark) !important;
	background: var(--accent-teal-light);
}

.navbar-poc .nav-link i {
	font-size: 1rem;
	color: var(--text-muted);
	transition: color var(--transition-fast);
}

.navbar-poc .nav-link:hover i {
	color: var(--accent-teal-dark);
}

.navbar-poc .dropdown-menu {
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-card-hover);
	padding: 0.5rem;
	margin-top: 8px;
	border-top: 2px solid var(--accent-teal);
}

.navbar-poc .dropdown-item {
	border-radius: var(--radius-sm);
	padding: 0.5rem 1rem;
	font-size: var(--font-size-sm);
	font-weight: 500;
	color: var(--text-primary);
	transition: all var(--transition-fast);
}

.navbar-poc .dropdown-item:hover {
	background: var(--accent-teal-light);
	color: var(--accent-teal-dark);
}

/* Subscribe / CTA button in nav */
.nav-cta {
	background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
	color: white !important;
	padding: 0.45rem 1.2rem !important;
	border-radius: 50px !important;
	font-weight: 600 !important;
	font-size: 0.8rem !important;
}

.nav-cta:hover {
	background: var(--accent-teal-dark) !important;
	color: white !important;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(0,180,216,0.3);
}


/* ---- Search Overlay ---- */
.search-overlay {
	position: fixed;
	top: 0; left: 0;
	width: 100%; height: 100%;
	background: rgba(255,255,255,0.97);
	z-index: 9999;
	display: flex;
	align-items: flex-start;
	justify-content: center;
	padding-top: 120px;
	opacity: 0;
	visibility: hidden;
	transition: all var(--transition-slow);
}

.search-overlay.active { opacity: 1; visibility: visible; }

.search-overlay-content {
	width: 100%;
	max-width: 640px;
	padding: 0 1.5rem;
	position: relative;
}

.search-close {
	position: absolute;
	top: -60px;
	right: 0;
	background: none;
	border: none;
	color: var(--text-muted);
	font-size: 2rem;
	cursor: pointer;
	transition: color var(--transition-fast);
}

.search-close:hover { color: var(--text-primary); }

.search-form {
	display: flex;
	gap: 0;
	background: var(--bg-light);
	border: 2px solid var(--border-light);
	border-radius: var(--radius-lg);
	overflow: hidden;
	transition: border-color var(--transition-fast);
}

.search-form:focus-within {
	border-color: var(--accent-teal);
	box-shadow: 0 0 0 4px var(--accent-teal-light);
}

.search-input {
	flex: 1;
	background: transparent;
	border: none;
	padding: 1.2rem 1.5rem;
	color: var(--text-primary);
	font-size: 1.15rem;
	font-family: var(--font-sans);
	outline: none;
}

.search-input::placeholder { color: var(--text-muted); }

.search-submit {
	background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
	border: none;
	color: white;
	padding: 0 2rem;
	cursor: pointer;
	font-size: 1.15rem;
	transition: opacity var(--transition-fast);
}

.search-submit:hover { opacity: 0.9; }


/* ---- Hero Section (Redesigned) ---- */
.hero-section {
	padding: 2.5rem 0 1rem;
}

.hero-card-split {
	border-radius: var(--radius-lg);
	overflow: hidden;
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	transition: box-shadow var(--transition-base);
	display: grid;
	grid-template-columns: 1.3fr 1fr;
	min-height: 440px;
}

.hero-card-split:hover {
	box-shadow: var(--shadow-hero);
}

.hero-image-wrap {
	overflow: hidden;
	position: relative;
	min-height: 400px;
}

.hero-image-wrap img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--transition-slow);
}

.hero-card-split:hover .hero-image-wrap img {
	transform: scale(1.03);
}

.hero-image-overlay {
	position: absolute;
	top: 1rem;
	left: 1rem;
	z-index: 2;
}

.hero-feature-badge {
	display: inline-block;
	background: var(--accent-amber);
	color: white;
	padding: 0.25rem 0.9rem;
	border-radius: 50px;
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	box-shadow: 0 2px 8px rgba(255,159,28,0.3);
}

.hero-content-block {
	padding: 2.5rem 2.5rem 2rem;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.hero-meta {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	margin-bottom: 1rem;
	flex-wrap: wrap;
}

.hero-category {
	display: inline-block;
	background: var(--accent-teal);
	color: white;
	padding: 0.2rem 0.8rem;
	border-radius: 50px;
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	font-family: var(--font-sans);
}

/* Category color variants for badges */
.hero-category.cat-space { background: var(--cat-space); }
.hero-category.cat-satellite { background: var(--cat-satellite); }
.hero-category.cat-solar { background: var(--cat-solar); }
.hero-category.cat-fusion { background: var(--cat-fusion); }
.hero-category.cat-ai { background: var(--cat-ai); }
.hero-category.cat-orbit { background: var(--cat-orbit); }
.hero-category.cat-robot { background: var(--cat-robot); }
.hero-category.cat-biotech { background: var(--cat-biotech); }
.hero-category.cat-energy { background: var(--cat-energy); }
.hero-category.cat-defense { background: var(--cat-defense); }
.hero-category.cat-companies { background: var(--cat-companies); }
.hero-category.cat-research { background: var(--cat-research); }

.hero-date {
	color: var(--text-muted);
	font-size: var(--font-size-sm);
}

.hero-title {
	font-size: var(--font-size-4xl);
	font-weight: 700;
	line-height: 1.2;
	margin-bottom: 1rem;
	font-family: var(--font-serif);
}

.hero-title a {
	color: var(--text-primary);
	transition: color var(--transition-fast);
}

.hero-title a:hover {
	color: var(--accent-teal-dark);
}

.hero-excerpt {
	color: var(--text-secondary);
	font-size: var(--font-size-lg);
	line-height: 1.6;
	margin-bottom: 1.5rem;
	flex: 1;
	overflow: hidden;
	max-height: 6em;
	position: relative;
}
.hero-excerpt::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2em;
	background: linear-gradient(transparent, var(--bg-page, #F8FAFC));
	pointer-events: none;
}

.hero-excerpt p { margin: 0; }

.hero-footer-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: auto;
}

.hero-readmore {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	color: var(--accent-teal-dark);
	font-weight: 600;
	font-size: var(--font-size-sm);
	transition: all var(--transition-fast);
	align-self: flex-start;
	border-bottom: 2px solid transparent;
	padding-bottom: 2px;
}

.hero-readmore:hover {
	color: var(--accent-teal);
	border-bottom-color: var(--accent-teal);
	gap: 0.75rem;
}

.hero-readmore i {
	font-size: 0.85rem;
	transition: transform var(--transition-fast);
}

.hero-readmore:hover i {
	transform: translateX(4px);
}

.hero-readtime {
	color: var(--text-muted);
	font-size: var(--font-size-xs);
	display: flex;
	align-items: center;
	gap: 0.3rem;
}/* ---- Category Pills ---- */
.category-nav-section {
	padding: 1.5rem 0;
}

.category-pills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	justify-content: center;
	align-items: center;
}

.pill {
	display: inline-block;
	padding: 0.4rem 1rem;
	border-radius: 50px;
	font-size: var(--font-size-xs);
	font-weight: 500;
	color: var(--text-secondary);
	background: var(--bg-light);
	border: 1px solid var(--border-light);
	transition: all var(--transition-fast);
	font-family: var(--font-sans);
	white-space: nowrap;
}

.pill:hover {
	background: var(--accent-teal);
	color: white;
	border-color: var(--accent-teal);
	transform: translateY(-1px);
}

.pill.active {
	background: var(--accent-teal);
	color: white;
	border-color: var(--accent-teal);
}

/* ---- Section Header ---- */
.section-header {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 2rem;
	padding-top: 1rem;
}

.section-title {
	font-size: var(--font-size-2xl);
	font-weight: 700;
	margin: 0;
	flex-shrink: 0;
	font-family: var(--font-serif);
	color: var(--text-primary);
}

.section-line {
	flex: 1;
	height: 1px;
	background: linear-gradient(to right, var(--border-light), transparent);
}

/* ---- Section Background Alternation ---- */
.stories-section {
	padding: 1rem 0 4rem;
	background: var(--bg-white);
}


/* ---- Articles Grid ---- */
.articles-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5rem;
}

@media (max-width: 1024px) {
	.articles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
	.articles-grid { grid-template-columns: 1fr; }
}


/* ---- Article Card ---- */
.article-card {
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-md);
	overflow: hidden;
	transition: all var(--transition-base);
	display: flex;
	flex-direction: column;
}

.article-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-card-hover);
	border-color: transparent;
}

.article-image-link {
	display: block;
	overflow: hidden;
	aspect-ratio: 16/10;
	position: relative;
}

.article-image {
	width: 100%;
	height: 100%;
	overflow: hidden;
}

.article-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--transition-slow);
}

.article-card:hover .article-image img {
	transform: scale(1.05);
}

.article-image-placeholder {
	background: linear-gradient(135deg, var(--accent-teal-light), var(--bg-light));
	display: flex;
	align-items: center;
	justify-content: center;
}

.article-image-placeholder i {
	font-size: 2rem;
	color: var(--accent-teal);
	opacity: 0.4;
}

.article-body {
	padding: 1.15rem 1.25rem 1.25rem;
	display: flex;
	flex-direction: column;
	flex: 1;
}

.article-meta {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	margin-bottom: 0.5rem;
	font-size: var(--font-size-xs);
}

.article-category {
	display: inline-block;
	background: var(--accent-teal);
	color: white;
	padding: 0.1rem 0.6rem;
	border-radius: 50px;
	font-weight: 600;
	font-size: 0.65rem;
	line-height: 1.6;
	text-transform: uppercase;
	letter-spacing: 0.3px;
	font-family: var(--font-sans);
}

.article-date {
	color: var(--text-muted);
}

.article-title {
	font-size: var(--font-size-lg);
	font-weight: 700;
	line-height: 1.35;
	margin-bottom: 0.5rem;
	font-family: var(--font-serif);
}

.article-title a {
	color: var(--text-primary);
	transition: color var(--transition-fast);
}

.article-title a:hover {
	color: var(--accent-teal-dark);
}

.article-excerpt {
	color: var(--text-secondary);
	font-size: var(--font-size-sm);
	line-height: 1.6;
	margin-bottom: 0.75rem;
	flex: 1;
	overflow: hidden;
	max-height: 4.8em;
	position: relative;
}
.article-excerpt::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2em;
	background: linear-gradient(transparent, var(--bg-card, #fff));
	pointer-events: none;
}
.article-excerpt p { margin: 0; }
.article-excerpt h1, .article-excerpt h2, .article-excerpt h3, .article-excerpt h4 {
	font-size: inherit;
	font-weight: inherit;
	margin: 0;
	line-height: inherit;
}

.article-footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-top: 0.65rem;
	border-top: 1px solid var(--border-subtle);
}

.article-readtime {
	color: var(--text-muted);
	font-size: var(--font-size-xs);
	display: flex;
	align-items: center;
	gap: 0.3rem;
}

.article-arrow {
	width: 30px;
	height: 30px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--bg-light);
	border-radius: 50%;
	color: var(--text-muted);
	transition: all var(--transition-fast);
}

.article-arrow:hover {
	background: var(--accent-teal);
	color: white;
}

/* ---- No Content ---- */
.no-content {
	text-align: center;
	padding: 4rem 2rem;
	color: var(--text-muted);
}

.no-content i {
	font-size: 3rem;
	margin-bottom: 1rem;
	display: block;
}


/* ---- Pagination ---- */
.pagination-wrapper {
	margin-top: 3rem;
	display: flex;
	justify-content: center;
}

.pagination-custom {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	gap: 0.75rem;
}

.pagination-custom a {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	padding: 0.65rem 1.35rem;
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-md);
	color: var(--text-primary);
	font-weight: 500;
	font-size: var(--font-size-sm);
	transition: all var(--transition-fast);
}

.pagination-custom a:hover {
	background: var(--accent-teal);
	color: white;
	border-color: var(--accent-teal);
}


/* ---- Single Article Page ---- */
.single-article {
	padding: 2.5rem 0 4rem;
}

.article-header {
	margin-bottom: 1.5rem;
}

.article-header-meta {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1rem;
	flex-wrap: wrap;
}

.article-category-badge {
	display: inline-block;
	background: var(--accent-teal);
	color: white;
	padding: 0.2rem 0.9rem;
	border-radius: 50px;
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	font-family: var(--font-sans);
}

.article-category-badge:hover {
	background: var(--accent-teal-dark);
	color: white;
}

.article-header-date,
.article-header-reading {
	color: var(--text-muted);
	font-size: var(--font-size-sm);
	display: flex;
	align-items: center;
	gap: 0.3rem;
}

.article-header-title {
	font-family: var(--font-serif);
	font-size: var(--font-size-5xl);
	font-weight: 700;
	line-height: 1.15;
	margin-bottom: 1rem;
	letter-spacing: -0.5px;
}

.article-header-desc {
	font-size: var(--font-size-xl);
	color: var(--text-secondary);
	line-height: 1.6;
	max-width: 720px;
	font-family: var(--font-serif);
	font-style: italic;
}

.article-cover {
	margin-bottom: 2.5rem;
	border-radius: var(--radius-md);
	overflow: hidden;
	box-shadow: var(--shadow-card);
	max-height: 500px;
}

.article-cover img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.article-content {
	font-size: 1.05rem;
	line-height: 1.85;
	color: var(--text-primary);
	font-family: var(--font-sans);
}

.article-content p { margin-bottom: 1.5rem; }

.article-content h2 {
	font-family: var(--font-serif);
	font-size: var(--font-size-2xl);
	margin-top: 2.5rem;
	margin-bottom: 1rem;
	color: var(--text-primary);
}

.article-content h3 {
	font-family: var(--font-serif);
	font-size: var(--font-size-xl);
	margin-top: 2rem;
	margin-bottom: 0.75rem;
}

.article-content blockquote {
	border-left: 4px solid var(--accent-teal);
	padding: 1rem 1.5rem;
	margin: 1.5rem 0;
	background: var(--accent-teal-light);
	border-radius: var(--radius-sm);
	color: var(--text-secondary);
	font-style: italic;
	font-family: var(--font-serif);
	font-size: var(--font-size-lg);
}

.article-content pre {
	background: var(--bg-light);
	color: var(--text-primary);
	padding: 1.25rem 1.5rem;
	border-radius: var(--radius-md);
	overflow-x: auto;
	font-family: var(--font-mono);
	font-size: 0.85rem;
	line-height: 1.6;
	margin: 1.5rem 0;
	border: 1px solid var(--border-light);
}

.article-content code {
	font-family: var(--font-mono);
	font-size: 0.9em;
	background: var(--bg-light);
	padding: 0.15em 0.4em;
	border-radius: 3px;
}

.article-content pre code {
	background: none;
	padding: 0;
}

.article-content img {
	border-radius: var(--radius-md);
	margin: 1.5rem 0;
}

.article-content table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.5rem 0;
	font-size: var(--font-size-sm);
}

.article-content th {
	background: var(--bg-light);
	color: var(--text-primary);
	padding: 0.75rem 1rem;
	text-align: left;
	font-weight: 600;
	border-bottom: 2px solid var(--accent-teal);
}

.article-content td {
	padding: 0.65rem 1rem;
	border-bottom: 1px solid var(--border-light);
}

.article-content tr:hover td { background: var(--bg-light); }

/* Article Tags */
.article-tags {
	margin-top: 2.5rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--border-light);
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.tags-label {
	font-weight: 600;
	font-size: var(--font-size-sm);
	color: var(--text-secondary);
	margin-right: 0.25rem;
}

.tag-badge {
	display: inline-block;
	padding: 0.25rem 0.75rem;
	background: var(--bg-light);
	border: 1px solid var(--border-light);
	border-radius: 50px;
	font-size: var(--font-size-xs);
	font-weight: 500;
	color: var(--text-secondary);
	transition: all var(--transition-fast);
}

.tag-badge:hover {
	background: var(--accent-teal);
	color: white;
	border-color: var(--accent-teal);
}


/* ---- Footer — Light & Clean ---- */
.footer-poc {
	background: var(--bg-light);
	color: var(--text-secondary);
	padding: 0;
	border-top: 1px solid var(--border-light);
}

.footer-top {
	padding: 3rem 0 2rem;
}

.footer-brand {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 1rem;
}

.footer-brand .brand-mark {
	width: 32px;
	height: 32px;
	font-size: 1rem;
}

.footer-brand .brand-text {
	font-family: var(--font-serif);
	font-weight: 700;
	font-size: 1.25rem;
	color: var(--text-primary);
}

.footer-brand .brand-highlight {
	color: var(--accent-teal-dark);
}

.footer-desc {
	font-size: var(--font-size-sm);
	line-height: 1.7;
	color: var(--text-muted);
	max-width: 320px;
}

.footer-heading {
	color: var(--text-primary);
	font-family: var(--font-sans);
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 1px;
	margin-bottom: 1rem;
}

.footer-links {
	list-style: none;
	padding: 0;
	margin: 0;
}

.footer-links li { margin-bottom: 0.5rem; }

.footer-col {
	margin-bottom: 2rem;
}

@media (min-width: 992px) {
	.footer-col {
		margin-bottom: 0;
	}
}

.footer-links a {
	color: var(--text-secondary);
	font-size: var(--font-size-sm);
	transition: color var(--transition-fast);
}

.footer-links a:hover { color: var(--accent-teal-dark); }

.footer-newsletter-text {
	font-size: var(--font-size-sm);
	color: var(--text-muted);
	margin-bottom: 0.75rem;
}

.footer-newsletter-form {
	display: flex;
	gap: 0.4rem;
}

.footer-input {
	flex: 1;
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	padding: 0.55rem 0.9rem;
	border-radius: var(--radius-sm);
	color: var(--text-primary);
	font-size: var(--font-size-sm);
	font-family: var(--font-sans);
	outline: none;
	transition: border-color var(--transition-fast);
}

.footer-input::placeholder { color: var(--text-muted); }

.footer-input:focus {
	border-color: var(--accent-teal);
	box-shadow: 0 0 0 2px var(--accent-teal-light);
}

.footer-btn {
	background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
	color: white;
	border: none;
	padding: 0.55rem 1rem;
	border-radius: var(--radius-sm);
	font-weight: 600;
	font-size: var(--font-size-xs);
	cursor: pointer;
	transition: opacity var(--transition-fast);
	white-space: nowrap;
}

.footer-btn:hover { opacity: 0.9; }

.footer-bottom {
	padding: 1.25rem 0;
	border-top: 1px solid var(--border-light);
}

.footer-disclaimer {
	padding: 1.25rem 0;
	border-top: 1px solid var(--border-light);
}

.footer-disclaimer p {
	margin: 0;
	font-size: 0.7rem;
	color: var(--text-muted);
	line-height: 1.6;
	max-width: 800px;
}

.footer-copyright, .footer-powered, .footer-zh-tagline {
	margin: 0;
	color: var(--text-muted);
}
.footer-copyright, .footer-powered {
	font-size: var(--font-size-xs);
}
.footer-zh-tagline {
	font-size: 0.5rem;
}

.footer-social {
	margin-top: 1rem;
	display: flex;
	gap: 0.75rem;
}

.footer-social a {
	color: var(--text-muted);
	font-size: 1.1rem;
	transition: color 0.2s;
}

.footer-social a:hover {
	color: var(--accent-teal-dark);
}


/* ---- Category Color Variants ---- */
.pill-space { border-color: var(--cat-space); }
.pill-space:hover { background: var(--cat-space); border-color: var(--cat-space); }
.pill-satellite { border-color: var(--cat-satellite); }
.pill-satellite:hover { background: var(--cat-satellite); border-color: var(--cat-satellite); }
.pill-solar { border-color: var(--cat-solar); }
.pill-solar:hover { background: var(--cat-solar); border-color: var(--cat-solar); }
.pill-fusion { border-color: var(--cat-fusion); }
.pill-fusion:hover { background: var(--cat-fusion); border-color: var(--cat-fusion); }
.pill-ai { border-color: var(--cat-ai); }
.pill-ai:hover { background: var(--cat-ai); border-color: var(--cat-ai); }
.pill-orbit { border-color: var(--cat-orbit); }
.pill-orbit:hover { background: var(--cat-orbit); border-color: var(--cat-orbit); }
.pill-robot { border-color: var(--cat-robot); }
.pill-robot:hover { background: var(--cat-robot); border-color: var(--cat-robot); }
.pill-auto { border-color: var(--cat-auto); }
.pill-auto:hover { background: var(--cat-auto); border-color: var(--cat-auto); }
.pill-biotech { border-color: var(--cat-biotech); }
.pill-biotech:hover { background: var(--cat-biotech); border-color: var(--cat-biotech); }
/* ---- SECTION HEADER WITH ICONS ---- */
.section-header {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	margin-bottom: 2rem;
	padding-top: 1rem;
	flex-wrap: wrap;
}

.section-header-icon {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.2rem;
	flex-shrink: 0;
}

.signal-icon { background: var(--accent-teal-light); }
.deepdive-icon { background: var(--accent-magenta-light); }
.datapoint-icon { background: var(--accent-amber-light); }

.section-title {
	font-weight: 700;
	margin: 0;
	flex-shrink: 0;
	font-family: var(--font-serif);
	color: var(--text-primary);
	font-size: var(--font-size-2xl);
}

.section-subtitle {
	font-size: var(--font-size-xs);
	color: var(--text-muted);
	font-family: var(--font-sans);
	font-weight: 400;
	margin-top: 2px;
}

.section-line {
	flex: 1;
	height: 1px;
	background: linear-gradient(to right, var(--border-light), transparent);
}


/* ---- FORMAT BADGES ---- */
.format-badge {
	display: inline-block;
	padding: 0.1rem 0.5rem;
	border-radius: 3px;
	font-size: 0.6rem;
	font-weight: 700;
	letter-spacing: 0.3px;
	font-family: var(--font-sans);
	line-height: 1.5;
	white-space: nowrap;
}

.format-analysis { background: #E0F7FE; color: #0077B6; }
.format-review { background: #FFF3E0; color: #E65100; }
.format-data { background: #FCE4EC; color: #C62828; }
.format-opinion { background: #F3E8FF; color: #7B1FA2; }
.format-video { background: #E8F5E9; color: #2E7D32; }
.format-podcast { background: #E0F2F1; color: #00695C; }


/* ---- CATEGORY COLOR VARIANTS FOR ARTICLE BADGES ---- */
.article-category.cat-space { background: var(--cat-space); }
.article-category.cat-satellite { background: var(--cat-satellite); }
.article-category.cat-solar { background: var(--cat-solar); }
.article-category.cat-fusion { background: var(--cat-fusion); }
.article-category.cat-ai { background: var(--cat-ai); }
.article-category.cat-orbit { background: var(--cat-orbit); }
.article-category.cat-robot { background: var(--cat-robot); }
.article-category.cat-energy { background: var(--cat-energy); }
.article-category.cat-biotech { background: var(--cat-biotech); }
.article-category.cat-defense { background: var(--cat-defense); }
.article-category.cat-companies { background: var(--cat-companies); }
.article-category.cat-research { background: var(--cat-research); }


/* ---- SECTION 2: SIGNAL BRIEFS ---- */
.signal-section {
	padding: 1rem 0 2rem;
	background: var(--bg-white);
}

.briefs-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1rem;
}

@media (max-width: 768px) {
	.briefs-grid { grid-template-columns: 1fr; }
}

.brief-card {
	display: flex;
	flex-direction: column;
	padding: 1.5rem;
	background: var(--bg-light);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-md);
	transition: all var(--transition-base);
	text-decoration: none;
	color: inherit;
}

.brief-card:hover {
	background: var(--bg-white);
	border-color: var(--accent-teal);
	box-shadow: var(--shadow-card-hover);
	transform: translateY(-2px);
	color: inherit;
}

.brief-category {
	display: inline-block;
	padding: 0.15rem 0.6rem;
	border-radius: 50px;
	font-size: 0.65rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.3px;
	color: white;
	align-self: flex-start;
	margin-bottom: 0.75rem;
	font-family: var(--font-sans);
}

.brief-category.cat-space { background: var(--cat-space); }
.brief-category.cat-satellite { background: var(--cat-satellite); }
.brief-category.cat-solar { background: var(--cat-solar); }
.brief-category.cat-fusion { background: var(--cat-fusion); }
.brief-category.cat-ai { background: var(--cat-ai); }
.brief-category.cat-orbit { background: var(--cat-orbit); }
.brief-category.cat-robot { background: var(--cat-robot); }
.brief-category.cat-energy { background: var(--cat-energy); }
.brief-category.cat-biotech { background: var(--cat-biotech); }
.brief-category.cat-defense { background: var(--cat-defense); }
.brief-category.cat-companies { background: var(--cat-companies); }
.brief-category.cat-research { background: var(--cat-research); }

.brief-title {
	font-family: var(--font-serif);
	font-size: var(--font-size-base);
	font-weight: 700;
	line-height: 1.35;
	margin: 0 0 0.5rem;
	color: var(--text-primary);
}

.brief-desc {
	font-size: var(--font-size-xs);
	color: var(--text-secondary);
	line-height: 1.5;
	margin: 0 0 0.75rem;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.brief-read {
	font-size: var(--font-size-xs);
	font-weight: 600;
	color: var(--accent-teal-dark);
	transition: gap var(--transition-fast);
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
}

.brief-card:hover .brief-read {
	gap: 0.5rem;
}


/* ---- SECTION 5: DEEP DIVE ---- */
.deepdive-section {
	padding: 2rem 0;
	background: var(--bg-light);
}

.deepdive-layout {
	display: grid;
	grid-template-columns: 1.5fr 1fr;
	gap: 1.5rem;
}

@media (max-width: 900px) {
	.deepdive-layout { grid-template-columns: 1fr; }
}

.deepdive-main {
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-lg);
	overflow: hidden;
	transition: box-shadow var(--transition-base);
}

.deepdive-main:hover {
	box-shadow: var(--shadow-card-hover);
}

.deepdive-main > a {
	text-decoration: none;
	color: inherit;
	display: block;
}

.deepdive-main-image {
	overflow: hidden;
	aspect-ratio: 16/9;
}

.deepdive-main-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--transition-slow);
}

.deepdive-main:hover .deepdive-main-image img {
	transform: scale(1.03);
}

.deepdive-main-body {
	padding: 1.5rem;
}

.deepdive-main-title {
	font-family: var(--font-serif);
	font-size: var(--font-size-2xl);
	font-weight: 700;
	line-height: 1.25;
	margin: 0.75rem 0 0.65rem;
	color: var(--text-primary);
}

.deepdive-main-desc {
	font-size: var(--font-size-sm);
	color: var(--text-secondary);
	line-height: 1.6;
	margin-bottom: 1rem;
	overflow: hidden;
	max-height: 4.8em;
	position: relative;
}
.deepdive-main-desc::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2em;
	background: linear-gradient(transparent, var(--bg-white, #fff));
	pointer-events: none;
}

.deepdive-readmore {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: var(--font-size-xs);
	font-weight: 600;
	color: var(--accent-teal-dark);
	transition: gap var(--transition-fast);
}

.deepdive-readmore:hover {
	gap: 0.75rem;
}

.deepdive-sidebar {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.deepdive-card {
	flex: 1;
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-md);
	padding: 1.5rem;
	text-decoration: none;
	color: inherit;
	display: flex;
	flex-direction: column;
	justify-content: center;
	transition: all var(--transition-base);
}

.deepdive-card:hover {
	border-color: var(--accent-teal);
	box-shadow: var(--shadow-card-hover);
	transform: translateY(-2px);
	color: inherit;
}

.deepdive-card-body {
	flex: 1;
	display: flex;
	flex-direction: column;
}

.deepdive-card-body .article-meta {
	margin-bottom: 0.5rem;
}

.deepdive-card-title {
	font-family: var(--font-serif);
	font-size: var(--font-size-base);
	font-weight: 700;
	line-height: 1.35;
	margin: 0;
	color: var(--text-primary);
}

.deepdive-card-arrow {
	align-self: flex-end;
	margin-top: 0.5rem;
	color: var(--text-muted);
	transition: color var(--transition-fast);
}

.deepdive-card:hover .deepdive-card-arrow {
	color: var(--accent-teal-dark);
}

/* Deep Dive sidebar list — replaces old card layout */
.deepdive-sidebar-header {
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-muted);
	margin-bottom: 0.75rem;
	padding: 0.75rem 0.9rem 0;
}
.deepdive-list-item {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.65rem 0.9rem;
	text-decoration: none;
	border-radius: var(--radius-sm);
	transition: background var(--transition-fast);
}
.deepdive-list-item:hover {
	background: var(--bg-section, #F1F5F9);
}
.deepdive-list-item-first {
	border-bottom: 1px solid var(--border-light, #E2E8F0);
	margin-bottom: 0.25rem;
	padding-bottom: 0.85rem;
}
.deepdive-list-cat {
	font-size: 0.65rem;
	font-weight: 600;
	padding: 0.15rem 0.4rem;
	border-radius: 3px;
	white-space: nowrap;
	flex-shrink: 0;
}
.deepdive-list-title {
	flex: 1;
	font-size: var(--font-size-sm);
	font-weight: 500;
	color: var(--text-primary);
	line-height: 1.3;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.deepdive-list-arrow {
	color: var(--text-muted);
	font-size: 0.7rem;
	flex-shrink: 0;
	transition: transform var(--transition-fast);
}
.deepdive-list-item:hover .deepdive-list-arrow {
	transform: translateX(3px);
	color: var(--accent-teal-dark);
}

@media (max-width: 768px) {
	.deepdive-list-item { padding: 0.5rem 0.7rem; }
	.deepdive-sidebar-header { padding: 0.5rem 0.7rem 0; }
}


/* ---- SECTION 6: DATA POINT ---- */
.datapoint-section {
	padding: 3rem 0;
	background: var(--bg-white);
}

.datapoint-card {
	background: var(--bg-light);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-lg);
	overflow: hidden;
	transition: box-shadow var(--transition-base);
}

.datapoint-card:hover {
	box-shadow: var(--shadow-card-hover);
}

.datapoint-inner {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	text-decoration: none;
	color: inherit;
	min-height: 280px;
}

@media (max-width: 768px) {
	.datapoint-inner { grid-template-columns: 1fr; }
}

.datapoint-visual {
	padding: 2rem;
	display: flex;
	align-items: center;
	justify-content: center;
}

.datapoint-chart-placeholder {
	width: 200px;
	height: 200px;
	border-radius: 50%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	position: relative;
}

.datapoint-chart-placeholder.cat-space { background: radial-gradient(circle, rgba(155,93,229,0.12), rgba(155,93,229,0.03)); border: 3px solid var(--cat-space); }
.datapoint-chart-placeholder.cat-energy { background: radial-gradient(circle, rgba(255,159,28,0.12), rgba(255,159,28,0.03)); border: 3px solid var(--cat-energy); }
.datapoint-chart-placeholder.cat-ai { background: radial-gradient(circle, rgba(0,180,216,0.12), rgba(0,180,216,0.03)); border: 3px solid var(--cat-ai); }
.datapoint-chart-placeholder.cat-future { background: radial-gradient(circle, rgba(6,214,160,0.12), rgba(6,214,160,0.03)); border: 3px solid var(--cat-future); }
.datapoint-chart-placeholder.cat-biotech { background: radial-gradient(circle, rgba(247,37,133,0.12), rgba(247,37,133,0.03)); border: 3px solid var(--cat-biotech); }

.datapoint-bigstat {
	font-family: var(--font-serif);
	font-size: 3.5rem;
	font-weight: 800;
	color: var(--text-primary);
	line-height: 1;
}

.datapoint-stat-label {
	font-size: var(--font-size-xs);
	color: var(--text-muted);
	text-transform: uppercase;
	letter-spacing: 1px;
	font-weight: 600;
	margin-top: 0.25rem;
}

.datapoint-content {
	padding: 2rem 2rem 2rem 0;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

@media (max-width: 768px) {
	.datapoint-content { padding: 0 1.5rem 1.5rem; }
}

.datapoint-title {
	font-family: var(--font-serif);
	font-size: var(--font-size-2xl);
	font-weight: 700;
	line-height: 1.25;
	margin: 0.75rem 0 0.65rem;
	color: var(--text-primary);
}

.datapoint-desc {
	font-size: var(--font-size-sm);
	color: var(--text-secondary);
	line-height: 1.6;
	margin-bottom: 1rem;
	overflow: hidden;
	max-height: 4.8em;
	position: relative;
}
.datapoint-desc::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2em;
	background: linear-gradient(transparent, var(--bg-white, #fff));
	pointer-events: none;
}


/* ---- SECTION 7: DISCOVERIES ---- */
.discoveries-section {
	padding: 2rem 0 3rem;
	background: var(--bg-white);
}

.discoveries-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1rem;
}

@media (max-width: 900px) {
	.discoveries-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
	.discoveries-grid { grid-template-columns: 1fr; }
}

.discovery-card {
	background: var(--bg-light);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-md);
	transition: all var(--transition-base);
}

.discovery-card:hover {
	background: var(--bg-white);
	border-color: var(--accent-teal);
	box-shadow: var(--shadow-card-hover);
	transform: translateY(-2px);
}

.discovery-link {
	text-decoration: none;
	color: inherit;
	display: block;
	padding: 1.25rem;
}

.discovery-link:hover { color: inherit; }

.discovery-body {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.discovery-category {
	display: inline-block;
	padding: 0.1rem 0.5rem;
	border-radius: 50px;
	font-size: 0.6rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.3px;
	color: white;
	align-self: flex-start;
	font-family: var(--font-sans);
}

.discovery-category.cat-space { background: var(--cat-space); }
.discovery-category.cat-satellite { background: var(--cat-satellite); }
.discovery-category.cat-solar { background: var(--cat-solar); }
.discovery-category.cat-fusion { background: var(--cat-fusion); }
.discovery-category.cat-ai { background: var(--cat-ai); }
.discovery-category.cat-orbit { background: var(--cat-orbit); }
.discovery-category.cat-robot { background: var(--cat-robot); }
.discovery-category.cat-energy { background: var(--cat-energy); }
.discovery-category.cat-biotech { background: var(--cat-biotech); }
.discovery-category.cat-defense { background: var(--cat-defense); }
.discovery-category.cat-companies { background: var(--cat-companies); }
.discovery-category.cat-research { background: var(--cat-research); }

.discovery-title {
	font-family: var(--font-serif);
	font-size: var(--font-size-sm);
	font-weight: 700;
	line-height: 1.3;
	margin: 0;
	color: var(--text-primary);
}

.discovery-date {
	font-size: var(--font-size-xs);
	color: var(--text-muted);
}


/* ---- NEWSLETTER CTA ---- */
.newsletter-section {
	padding: 3rem 0 4rem;
	background: var(--bg-light);
}

.newsletter-card {
	background: linear-gradient(135deg, var(--bg-white), var(--accent-teal-light));
	border: 1px solid var(--border-light);
	border-radius: var(--radius-xl);
	padding: 3rem;
	display: grid;
	grid-template-columns: 1.5fr 0.8fr;
	gap: 2rem;
	align-items: center;
	overflow: hidden;
	position: relative;
}

@media (max-width: 700px) {
	.newsletter-card {
		grid-template-columns: 1fr;
		padding: 2rem;
	}
}

.newsletter-content {
	z-index: 1;
}

.newsletter-title {
	font-family: var(--font-serif);
	font-size: var(--font-size-3xl);
	font-weight: 700;
	margin: 0 0 0.65rem;
	color: var(--text-primary);
}

.newsletter-desc {
	font-size: var(--font-size-base);
	color: var(--text-secondary);
	line-height: 1.6;
	margin-bottom: 1.5rem;
	max-width: 440px;
}

.newsletter-form {
	display: flex;
	gap: 0.5rem;
	max-width: 480px;
}

@media (max-width: 500px) {
	.newsletter-form { flex-direction: column; }
}

.newsletter-input {
	flex: 1;
	background: var(--bg-white);
	border: 1px solid var(--border-light);
	padding: 0.8rem 1.1rem;
	border-radius: var(--radius-sm);
	color: var(--text-primary);
	font-size: var(--font-size-sm);
	font-family: var(--font-sans);
	outline: none;
	transition: all var(--transition-fast);
}

.newsletter-input::placeholder { color: var(--text-muted); }

.newsletter-input:focus {
	border-color: var(--accent-teal);
	box-shadow: 0 0 0 3px var(--accent-teal-light);
}

.newsletter-btn {
	background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
	color: white;
	border: none;
	padding: 0.8rem 1.6rem;
	border-radius: var(--radius-sm);
	font-weight: 600;
	font-size: var(--font-size-sm);
	cursor: pointer;
	transition: all var(--transition-fast);
	white-space: nowrap;
}

.newsletter-btn:hover {
	opacity: 0.9;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(0,180,216,0.3);
}

.newsletter-note {
	font-size: var(--font-size-xs);
	color: var(--text-muted);
	margin-top: 0.75rem;
	margin-bottom: 0;
}

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

.newsletter-icon-big {
	font-size: 6rem;
	line-height: 1;
	opacity: 0.8;
	animation: float 3s ease-in-out infinite;
}

@keyframes float {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-10px); }
}


/* ---- SECTION BACKGROUND ALTERNATION ---- */
.stories-section {
	padding: 1rem 0 4rem;
	background: var(--bg-white);
}

/* ---- Responsive Updates ---- */
@media (max-width: 991px) {
	.hero-card-split {
		grid-template-columns: 1fr;
	}
	.hero-image-wrap {
		min-height: 280px;
		aspect-ratio: 16/9;
	}
	.hero-content-block { padding: 2rem; }
	.hero-title { font-size: var(--font-size-3xl); }
}

@media (max-width: 767px) {
	.hero-title { font-size: var(--font-size-2xl); }
	.hero-content-block { padding: 1.5rem; }
	.hero-excerpt { font-size: var(--font-size-base); }
	.newsletter-card { padding: 1.5rem; }
	.newsletter-title { font-size: var(--font-size-2xl); }
	.newsletter-icon-big { font-size: 4rem; }
}

@media (max-width: 575px) {
	.hero-image-wrap { min-height: 200px; }
}
/* ---- Animations ---- */
@keyframes fadeInUp {
	from { opacity: 0; transform: translateY(16px); }
	to { opacity: 1; transform: translateY(0); }
}

.hero-card-split { animation: fadeInUp 0.5s ease; }

.article-card:nth-child(1) { animation: fadeInUp 0.4s ease 0.08s both; }
.article-card:nth-child(2) { animation: fadeInUp 0.4s ease 0.16s both; }
.article-card:nth-child(3) { animation: fadeInUp 0.4s ease 0.24s both; }
.article-card:nth-child(4) { animation: fadeInUp 0.4s ease 0.32s both; }
.article-card:nth-child(5) { animation: fadeInUp 0.4s ease 0.40s both; }
.article-card:nth-child(6) { animation: fadeInUp 0.4s ease 0.48s both; }


/* ---- Responsive ---- */
@media (max-width: 991px) {
	.hero-card {
		grid-template-columns: 1fr;
	}
	
	.hero-image {
		min-height: 280px;
		aspect-ratio: 16/9;
	}
	
	.hero-content { padding: 2rem; }
	
	.hero-title { font-size: var(--font-size-3xl); }
	
	.article-header-title { font-size: var(--font-size-4xl); }
}

@media (max-width: 767px) {
	body { padding-top: 64px; }
	
	.navbar-poc .container { height: 64px; }
	
	.hero-title { font-size: var(--font-size-2xl); }
	
	.hero-content { padding: 1.5rem; }
	
	.hero-excerpt { font-size: var(--font-size-base); }
	
	.article-header-title { font-size: var(--font-size-2xl); }
	
	.section-title { font-size: var(--font-size-xl); }
	
	.footer-top .row > div { margin-bottom: 1.5rem; }
}

@media (max-width: 575px) {
	.category-pills { gap: 0.3rem; }
	
	.pill {
		font-size: 0.65rem;
		padding: 0.3rem 0.8rem;
	}
	
	.articles-grid { gap: 1rem; }
	
	.article-body { padding: 1rem; }
	
	.hero-image { min-height: 200px; }
}

/* ---- Mobile Overlay - SpaceX inspired ---- */
.mobile-overlay {
	position: fixed;
	top: 0; left: 0;
	width: 100%; height: 100%;
	background: rgba(255,255,255,0.98);
	z-index: 10000;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.25s ease;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
}

.mobile-overlay.active {
	opacity: 1;
	visibility: visible;
}

.mobile-overlay-inner {
	max-width: 480px;
	margin: 0 auto;
	padding: 0 1.5rem 2rem;
}

/* Top bar: brand + close */
.mobile-overlay-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.75rem 0;
	min-height: 68px;
}

.mobile-overlay-top .navbar-brand {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 0;
	margin: 0;
	text-decoration: none;
}

.mobile-overlay-top .brand-mark {
	width: 32px;
	height: 32px;
	font-size: 1rem;
}

.mobile-overlay-top .brand-text {
	font-size: 1.2rem;
}

.mobile-overlay-close {
	background: none;
	border: none;
	cursor: pointer;
	color: var(--text-secondary);
	padding: 4px;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	transition: background 0.15s;
}

.mobile-overlay-close:hover {
	background: var(--bg-light);
	color: var(--text-primary);
}

/* Search */
.mobile-search-form {
	display: flex;
	align-items: center;
	background: var(--bg-light);
	border: 1.5px solid var(--border-light);
	border-radius: 12px;
	padding: 0.85rem 1rem;
	margin: 0.5rem 0 2rem;
	transition: border-color 0.2s;
}

.mobile-search-form:focus-within {
	border-color: var(--accent-teal);
}

.mobile-search-icon {
	flex-shrink: 0;
	margin-right: 0.75rem;
	color: var(--text-muted);
}

.mobile-search-input {
	flex: 1;
	border: none;
	background: transparent;
	outline: none;
	font-size: 0.95rem;
	color: var(--text-primary);
	font-family: var(--font-sans);
}

.mobile-search-input::placeholder {
	color: var(--text-muted);
}

/* Nav list - SpaceX style */
.mobile-nav-list {
	display: flex;
	flex-direction: column;
	margin-bottom: 1.5rem;
}

.mobile-nav-link {
	display: flex;
	align-items: center;
	gap: 1rem;
	padding: 1rem 0;
	color: var(--text-primary);
	text-decoration: none;
	border-bottom: 1px solid var(--border-subtle);
	transition: opacity 0.15s;
}

.mobile-nav-link:last-child {
	border-bottom: none;
}

.mobile-nav-link:active {
	opacity: 0.6;
}

.mobile-nav-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	flex-shrink: 0;
}

.mobile-nav-label {
	flex: 1;
	font-size: 1.05rem;
	font-weight: 500;
	letter-spacing: -0.01em;
}

.mobile-nav-arrow {
	color: var(--text-muted);
	flex-shrink: 0;
	transition: transform 0.2s;
}

.mobile-nav-link:active .mobile-nav-arrow {
	transform: translateX(3px);
}

/* Secondary links (Home, RSS) */
.mobile-nav-secondary {
	border-top: 1px solid var(--border-light);
	padding-top: 0.5rem;
	margin-bottom: 1.5rem;
}

.mobile-nav-link.secondary {
	border-bottom: none;
	padding: 0.85rem 0;
	gap: 0.85rem;
	color: var(--text-secondary);
}

.mobile-nav-link.secondary svg {
	flex-shrink: 0;
	color: var(--text-muted);
}

.mobile-nav-link.secondary .mobile-nav-label {
	font-size: 0.95rem;
	font-weight: 400;
}

/* Subscribe button */
.mobile-subscribe-btn {
	display: block;
	text-align: center;
	padding: 1rem;
	background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
	color: white;
	border-radius: 12px;
	font-size: 0.95rem;
	font-weight: 600;
	text-decoration: none;
	transition: opacity 0.2s;
}

.mobile-subscribe-btn:active {
	opacity: 0.85;
}

/* Fade-up animation */
@keyframes fadeUp {
	from { opacity: 0; transform: translateY(12px); }
	to { opacity: 1; transform: translateY(0); }
}

.mobile-overlay.active .mobile-nav-list .mobile-nav-link {
	animation: fadeUp 0.3s ease both;
}
.mobile-overlay.active .mobile-nav-list .mobile-nav-link:nth-child(1) { animation-delay: 0.05s; }
.mobile-overlay.active .mobile-nav-list .mobile-nav-link:nth-child(2) { animation-delay: 0.1s; }
.mobile-overlay.active .mobile-nav-list .mobile-nav-link:nth-child(3) { animation-delay: 0.15s; }
.mobile-overlay.active .mobile-nav-list .mobile-nav-link:nth-child(4) { animation-delay: 0.2s; }
.mobile-overlay.active .mobile-nav-list .mobile-nav-link:nth-child(5) { animation-delay: 0.25s; }
.mobile-overlay.active .mobile-nav-list .mobile-nav-link:nth-child(6) { animation-delay: 0.3s; }
.mobile-overlay.active .mobile-nav-list .mobile-nav-link:nth-child(7) { animation-delay: 0.35s; }

@media (max-width: 768px) {
	.footer-zh-tagline {
		font-size: 0.45rem;
	}
}