/* ========================================
   Premium Homepage Redesign v5.32
   Focus: Clean white cards, shimmer effects, unified sections
   Last updated: 2025-12-26
   ======================================== */

/* ============ CSS VARIABLES - PREMIUM ADDITIONS ============ */
:root {
    /* Premium shadows */
    --premium-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --premium-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
    --premium-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    --premium-shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.1);
    --premium-shadow-glow: 0 0 40px rgba(0, 102, 204, 0.15);
    --premium-shadow-card-hover: 0 20px 40px rgba(0, 0, 0, 0.1);
    
    /* Premium transitions */
    --premium-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --premium-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Premium colors */
    --premium-step-gradient-start: #3b82f6;
    --premium-step-gradient-end: #8b5cf6;
    --premium-card-bg: #ffffff;
    --premium-card-border: #e2e8f0;
    --premium-step-bg: #f1f5f9;
    --premium-kpi-bg: #f8fafc;
    --premium-stack-pill-bg: #eff6ff;
    --premium-stack-pill-border: #bfdbfe;
    --premium-text-primary: #1e293b;
    --premium-text-secondary: #475569;
    --premium-text-muted: #64748b;
}

:root[data-theme="dark"] {
    --premium-card-bg: rgba(24, 24, 27, 0.85);
    --premium-card-border: rgba(255, 255, 255, 0.1);
    --premium-step-bg: rgba(30, 30, 35, 0.9);
    --premium-kpi-bg: rgba(20, 20, 24, 0.8);
    --premium-stack-pill-bg: rgba(59, 130, 246, 0.15);
    --premium-stack-pill-border: rgba(59, 130, 246, 0.3);
    --premium-text-primary: #f1f5f9;
    --premium-text-secondary: #94a3b8;
    --premium-text-muted: #64748b;
}

/* ============ PREMIUM ANIMATIONS ============ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(60px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.55; }
}

@keyframes stepPulse {
    0%, 100% { box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3); }
    50% { box-shadow: 0 14px 28px rgba(59, 130, 246, 0.45); }
}

@media (prefers-reduced-motion: reduce) {
    @keyframes fadeInUp { from, to { opacity: 1; transform: none; } }
    @keyframes shimmer { from, to { opacity: 0; } }
    @keyframes stepPulse { from, to { box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3); } }
}

/* ============ HERO SECTION - PREMIUM UPGRADE ============ */
/* Better eyebrow pill styling */
.archive-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--color-primary);
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.3);
    animation: eyebrowPulse 3s ease-in-out 2;
}

.archive-hero--home .archive-hero__eyebrow {
    align-self: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    width: fit-content;
}

@keyframes eyebrowPulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(0, 102, 204, 0.3); }
    50% { box-shadow: 0 6px 24px rgba(0, 102, 204, 0.45); }
}

@media (prefers-reduced-motion: reduce) {
    .archive-hero__eyebrow { animation: none; }
}

/* Hero title - premium typography */
.archive-hero--home .archive-hero__title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.08;
    color: var(--color-text);
    text-wrap: balance;
}

/* Hero description - better readability */
.archive-hero--home .archive-hero__description {
    font-size: clamp(1.125rem, 1.8vw, 1.375rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 580px;
}

/* Premium CTA buttons */
.archive-hero__actions .button {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    transition: all 0.35s var(--premium-ease);
    position: relative;
    overflow: hidden;
}

.archive-hero__actions .button:not(.button--ghost) {
    background: var(--color-primary);
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    box-shadow: 
        0 4px 16px rgba(0, 102, 204, 0.35),
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.archive-hero__actions .button:not(.button--ghost):hover {
    background: var(--color-primary-hover);
    transform: translateY(-3px);
    box-shadow: 
        0 8px 24px rgba(0, 102, 204, 0.4),
        0 4px 8px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.archive-hero__actions .button--ghost {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border-strong);
}

.archive-hero__actions .button--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(0, 102, 204, 0.06);
}

/* ============ HERO WORKFLOW PANEL - PREMIUM WHITE DESIGN ============ */
.archive-hero--home .home-hero__panel-card {
    background: var(--premium-card-bg);
    border: 1px solid var(--premium-card-border);
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    box-shadow: var(--premium-shadow-xl);
    animation: fadeInUp 1.2s ease-out;
    position: relative;
    overflow: hidden;
}

/* Shimmer effect on panel - finite iterations per AGENTS.md (no infinite except spinners/skeletons) */
.archive-hero--home .home-hero__panel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(96, 165, 250, 0.05);
    animation: shimmer 3s linear 3; /* 3 iterations = ~9s total, then stops */
    pointer-events: none;
    opacity: 0;
    will-change: opacity; /* GPU acceleration hint */
}

@media (prefers-reduced-motion: reduce) {
    .archive-hero--home .home-hero__panel-card::before {
        animation: none;
        opacity: 0;
    }
}

/* Panel header styling */
.home-hero__panel-top {
    margin-bottom: 2rem;
    text-align: center;
}

.home-hero__panel-eyebrow {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--premium-text-muted);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.home-hero__panel-title {
    display: block;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--color-primary);
    -webkit-text-fill-color: var(--color-primary);
    margin-bottom: 0.5rem;
}

/* Panel list - styled as step cards */
.home-hero__panel-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 0 0 2rem;
    padding: 0;
    list-style: none;
    counter-reset: step-counter;
}

.home-hero__panel-list li {
    background: var(--premium-step-bg);
    border: 1px solid var(--premium-card-border);
    border-radius: 1rem;
    padding: 1.25rem 1rem;
    text-align: center;
    transition: all 0.4s var(--premium-ease);
    counter-increment: step-counter;
    position: relative;
}

.home-hero__panel-list li::before {
    content: counter(step-counter);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 1.125rem;
    font-weight: 900;
    margin: 0 auto 0.75rem;
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.25);
    animation: stepPulse 3s ease-in-out 2; /* 2 iterations = ~6s total, then stops */
    will-change: transform, box-shadow; /* GPU acceleration hint */
}

@media (prefers-reduced-motion: reduce) {
    .home-hero__panel-list li::before {
        animation: none;
    }
}

.home-hero__panel-list li:hover {
    transform: translateY(-8px);
    box-shadow: var(--premium-shadow-card-hover);
    background: var(--premium-card-bg);
}

.home-hero__panel-list li strong {
    display: block;
    font-size: 1.125rem;
    font-weight: 800;
    color: #1e40af;
    margin-bottom: 0.375rem;
}

:root[data-theme="dark"] .home-hero__panel-list li strong {
    color: #60a5fa;
}

/* KPIs section - refined grid */
.home-hero__kpis {
    display: flex;
    justify-content: space-around;
    background: var(--premium-kpi-bg);
    border: 1px solid var(--premium-card-border);
    border-radius: 1rem;
    padding: 1.5rem 1rem;
    margin-bottom: 1.5rem;
    gap: 0.5rem;
}

.home-hero__kpi {
    text-align: center;
    flex: 1;
    min-width: 0;
}

.home-hero__kpi span {
    display: block;
    font-size: 0.8125rem;
    color: var(--premium-text-muted);
    margin-bottom: 0.375rem;
    font-weight: 500;
}

.home-hero__kpi strong {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 900;
    color: var(--premium-step-gradient-start);
}

/* Stack / Tech section */
.home-hero__stack {
    text-align: center;
    font-size: 0.9375rem;
}

.home-hero__stack > span {
    color: var(--premium-text-muted);
    margin-right: 0.5rem;
    font-weight: 500;
}

.home-hero__stack ul {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    justify-content: center;
}

.home-hero__stack li {
    background: var(--premium-stack-pill-bg);
    color: var(--premium-step-gradient-start);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.8125rem;
    border: 1px solid var(--premium-stack-pill-border);
    transition: all 0.3s var(--premium-ease);
}

.home-hero__stack li:hover {
    background: var(--premium-step-gradient-start);
    color: #ffffff;
    transform: translateY(-2px);
}

/* ============ CAPABILITY CARDS - PREMIUM WITH ICONS ============ */
.archive-metrics {
    padding: 5rem 0 6rem;
    background: var(--color-bg);
    position: relative;
}

/* Section header improvement */
.archive-metrics .section-header {
    margin-bottom: 3rem;
}

.archive-metrics .section-header__title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.archive-metrics .section-desc {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0.75rem auto 0;
    line-height: 1.7;
}

/* Card grid with premium spacing */
.archive-metrics__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Premium capability cards */
.archive-metrics__card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2rem 1.75rem;
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--premium-ease);
}

/* Icon placeholder at top of card */
.archive-metrics__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--premium-ease);
}

/* Numbered step indicator */
.archive-metrics__card::after {
    content: attr(data-step);
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 204, 0.08);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 800;
    border-radius: 10px;
    opacity: 0.7;
    transition: all 0.3s var(--premium-ease);
}

.archive-metrics__card:hover {
    border-color: var(--color-primary-light);
    transform: translateY(-8px);
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.08),
        0 24px 64px rgba(0, 102, 204, 0.1);
}

.archive-metrics__card:hover::before {
    transform: scaleX(1);
}

.archive-metrics__card:hover::after {
    opacity: 1;
    background: var(--color-primary);
    color: #FFFFFF;
}

/* Card heading with icon */
.archive-metrics__card h3 {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Add icons via CSS for each capability card */
.archive-metrics__card:nth-child(1) h3::before {
    content: '\2728';
    font-size: 1.5rem;
}

.archive-metrics__card:nth-child(2) h3::before {
    content: '\1F50D';
    font-size: 1.5rem;
}

.archive-metrics__card:nth-child(3) h3::before {
    content: '\1F4CA';
    font-size: 1.5rem;
}

.archive-metrics__card:nth-child(4) h3::before {
    content: '\1F680';
    font-size: 1.5rem;
}

.archive-metrics__card p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ============ HERO CAROUSEL - PREMIUM UPGRADE ============ */
.hero-carousel {
    margin: 3rem auto;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 16px 48px rgba(0, 0, 0, 0.05);
}

/* Carousel content overlay - better readability */
.hero-carousel__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2.5rem 2rem;
    background: rgba(0, 0, 0, 0.72);
    z-index: 10;
    color: #FFFFFF;
}

/* Carousel category pill */
.hero-carousel__category {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-primary);
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* Carousel title */
.hero-carousel__title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.hero-carousel__title a {
    color: #FFFFFF;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.hero-carousel__title a:hover {
    opacity: 0.9;
}

/* Carousel meta info */
.hero-carousel__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Carousel controls */
.hero-carousel__controls {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 20;
}

.hero-carousel__prev,
.hero-carousel__next {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s var(--premium-ease);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero-carousel__prev:hover,
.hero-carousel__next:hover {
    background: var(--color-primary);
    color: #FFFFFF;
    transform: scale(1.05);
}

.hero-carousel__indicators {
    display: flex;
    gap: 0.5rem;
}

.hero-carousel__indicator {
    width: 10px;
    height: 10px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-carousel__indicator.is-active {
    background: #FFFFFF;
    width: 28px;
    border-radius: 5px;
}

/* Slides without images - premium placeholder */
.hero-carousel__slide--no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary) !important;
}

.hero-carousel__slide--no-image .hero-carousel__content {
    position: relative;
    bottom: auto;
    text-align: center;
    background: transparent;
    max-width: 600px;
    padding: 3rem 2rem;
}

.hero-carousel__slide--no-image .hero-carousel__content--centered {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ============ TRENDING SECTION - PREMIUM WHITE CARDS ============ */
.trending-palette {
    padding: 6rem 0;
    background: var(--premium-kpi-bg);
    position: relative;
}

/* Subtle dot pattern background */
.trending-palette::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.02);
    pointer-events: none;
}

.trending-palette__header {
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 1;
}

/* Hot Topics label - premium pill */
.trending-palette__label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--color-primary);
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 9999px;
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.3);
}

.trending-palette__label::before {
    content: '\1F525';
    font-size: 0.875rem;
}

.trending-palette__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

/* Trending cards grid */
.trending-palette__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
    position: relative;
    z-index: 1;
}

/* Premium trending card - WHITE with shimmer */
.trending-card {
    background: var(--premium-card-bg);
    border: 1px solid var(--premium-card-border);
    border-radius: 1.5rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.4s var(--premium-ease);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out backwards;
    box-shadow: var(--premium-shadow-lg);
}

/* Shimmer effect on trending cards - finite iterations per AGENTS.md */
.trending-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(96, 165, 250, 0.03);
    animation: shimmer 4s linear 2; /* 2 iterations = ~8s total, then stops */
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    will-change: opacity;
}

@media (prefers-reduced-motion: reduce) {
    .trending-card::before {
        animation: none;
        opacity: 0;
    }
}

/* Accent line on hover */
.trending-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--premium-ease);
}

@media (prefers-reduced-motion: reduce) {
    .trending-card::before {
        animation: none;
        opacity: 0;
    }
}

.trending-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--premium-shadow-card-hover);
}

.trending-card:hover::after {
    transform: scaleX(1);
}

/* Stagger animation for cards */
.trending-card:nth-child(1) { animation-delay: 0.1s; }
.trending-card:nth-child(2) { animation-delay: 0.2s; }
.trending-card:nth-child(3) { animation-delay: 0.3s; }
.trending-card:nth-child(4) { animation-delay: 0.4s; }

/* Trending card image */
.trending-card__image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 1rem;
    margin-bottom: 1.25rem;
    background: var(--premium-step-bg);
    transition: transform 0.5s var(--premium-ease);
    position: relative;
    z-index: 1;
}

.trending-card:hover .trending-card__image {
    transform: scale(1.03);
}

/* Trending card without image - styled placeholder */
.trending-card:not(:has(img)) .trending-card__meta {
    margin-top: 3rem;
}

.trending-card__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--premium-text-muted);
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.trending-card__category {
    color: var(--premium-step-gradient-start);
    font-weight: 700;
}

.trending-card__title {
    font-size: 1.375rem;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.trending-card__title a {
    color: var(--premium-text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.trending-card__title a:hover {
    color: var(--premium-step-gradient-start);
}

.trending-card__excerpt {
    font-size: 1rem;
    color: var(--premium-text-secondary);
    line-height: 1.65;
    margin-bottom: auto;
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

.trending-card__footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--premium-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.trending-card__read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--premium-step-gradient-start);
    text-decoration: none;
    transition: gap 0.3s ease;
}

.trending-card__read-more:hover {
    gap: 0.75rem;
}

.trending-card__read-more svg {
    transition: transform 0.3s ease;
}

.trending-card__read-more:hover svg {
    transform: translateX(4px);
}

.trending-card__read-time {
    font-size: 0.8125rem;
    color: var(--premium-text-muted);
    font-weight: 500;
}

/* ============ LATEST ARTICLES - PREMIUM WHITE CARDS ============ */
.posts-section {
    padding: 5rem 0 6rem;
    background: var(--color-bg);
}

.posts-section .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.posts-section .section-header__title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--color-primary);
    -webkit-text-fill-color: var(--color-primary);
}

.posts-section .section-header__link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--premium-step-gradient-start);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    background: var(--premium-stack-pill-bg);
    border: 1px solid var(--premium-stack-pill-border);
    border-radius: 999px;
    transition: all 0.3s var(--premium-ease);
}

.posts-section .section-header__link:hover {
    background: var(--premium-step-gradient-start);
    color: #ffffff;
    gap: 0.625rem;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.25);
}

/* Posts grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
}

/* Premium post card - WHITE with shimmer */
.post-card {
    background: var(--premium-card-bg);
    border: 1px solid var(--premium-card-border);
    border-radius: 1.5rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.4s var(--premium-ease);
    position: relative;
    animation: fadeInUp 0.8s ease-out backwards;
    box-shadow: var(--premium-shadow-lg);
}

/* Shimmer effect on post cards - finite iterations per AGENTS.md */
.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(96, 165, 250, 0.03);
    animation: shimmer 4s linear 2; /* 2 iterations = ~8s total, then stops */
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    will-change: opacity;
}

@media (prefers-reduced-motion: reduce) {
    .post-card::before {
        animation: none;
        opacity: 0;
    }
}

/* Accent line on hover */
.post-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--premium-ease);
    z-index: 5;
}

.post-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--premium-shadow-card-hover);
}

.post-card:hover::after {
    transform: scaleX(1);
}

/* Stagger animation for cards */
.post-card:nth-child(1) { animation-delay: 0.1s; }
.post-card:nth-child(2) { animation-delay: 0.2s; }
.post-card:nth-child(3) { animation-delay: 0.3s; }
.post-card:nth-child(4) { animation-delay: 0.4s; }

/* Post card image wrapper */
.post-card__image-wrapper {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--premium-step-bg);
}

.post-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--premium-ease);
}

.post-card:hover .post-card__image {
    transform: scale(1.05);
}

/* Category badge on image - NO GRADIENTS per AGENTS.md */
.post-card__category {
    position: absolute !important;
    top: 1rem !important;
    left: 1rem !important;
    bottom: auto !important;
    padding: 0.5rem 1rem !important;
    background: var(--color-primary, #0066CC) !important;
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 8px;
    z-index: 5;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

/* Post card content */
.post-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

.post-card__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--premium-text-muted);
    margin-bottom: 0.75rem;
}

.post-card__date {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.post-card__reading-time {
    font-weight: 600;
    color: var(--premium-step-gradient-start);
}

.post-card__title {
    font-size: 1.375rem;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.post-card__title a {
    color: var(--premium-text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.post-card__title a:hover {
    color: var(--premium-step-gradient-start);
}

.post-card__excerpt {
    font-size: 1rem;
    color: var(--premium-text-secondary);
    line-height: 1.65;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.post-card__author {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9375rem;
    color: var(--premium-text-primary);
    font-weight: 600;
    padding-top: 1rem;
    border-top: 1px solid var(--premium-card-border);
    margin-top: auto;
}

.post-card__author-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--premium-stack-pill-border);
}

/* ============ NEWSLETTER SECTION - PREMIUM UPGRADE ============ */
.newsletter-section {
    padding: 6rem 0;
    background: rgba(0, 102, 204, 0.04);
    position: relative;
}

.newsletter-section__inner {
    max-width: 640px;
    margin: 0 auto;
    padding: 3.5rem 3rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 28px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.06),
        0 16px 64px rgba(0, 0, 0, 0.04);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Decorative accent */
.newsletter-section__inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
}

.newsletter-section__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: 20px;
    color: #FFFFFF;
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.newsletter-section__eyebrow {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 102, 204, 0.08);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.newsletter-section__content h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.newsletter-section__content p {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto 2rem;
}

/* Newsletter form */
.newsletter-form {
    display: flex;
    gap: 0.75rem;
    max-width: 440px;
    margin: 0 auto 1.5rem;
}

.newsletter-form__input-group {
    flex: 1;
    position: relative;
}

.newsletter-form__icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.newsletter-form input[type="email"] {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 14px;
    background: var(--color-bg);
    color: var(--color-text);
    transition: all 0.3s ease;
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.newsletter-form__button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    background: var(--color-primary);
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s var(--premium-ease);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.3);
    white-space: nowrap;
}

.newsletter-form__button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

.newsletter-section__note {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.newsletter-section__note svg {
    color: var(--color-success);
}

/* ============ INVESTOR CTA SECTION - PREMIUM ============ */
.about-cta {
    padding: 5rem 0;
    background: var(--color-surface-alt);
    position: relative;
}

.about-cta__grid--centered {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-cta__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 102, 204, 0.08);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.about-cta__eyebrow svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
}

.about-cta__content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.15;
}

.about-cta__content p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto 2rem;
}

/* CTA buttons */
.button-group--cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.button-group--cta .button--primary {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 2rem;
    background: var(--color-primary);
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 14px;
    text-decoration: none;
    transition: all 0.3s var(--premium-ease);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.3);
}

.button-group--cta .button--primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

.button-group--cta .button--primary svg {
    width: 18px;
    height: 18px;
    stroke: #FFFFFF;
}

/* ============ RESPONSIVE REFINEMENTS ============ */
@media (max-width: 768px) {
    .archive-hero__actions {
        flex-direction: column;
        width: 100%;
        padding: 0 1rem;
    }
    
    .archive-hero__actions .button {
        width: 100%;
        justify-content: center;
    }
    
    .archive-metrics__grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .trending-palette__grid,
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form__button {
        justify-content: center;
    }
    
    .newsletter-section__inner {
        margin: 0 1rem;
        padding: 2.5rem 1.5rem;
    }
    
    /* Workflow panel responsive */
    .home-hero__panel-list {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .home-hero__kpis {
        flex-direction: column;
        gap: 1rem;
        padding: 1.25rem;
    }
    
    .home-hero__stack ul {
        justify-content: center;
    }
    
    /* Post/Trending cards - more lift on mobile touch */
    .trending-card:hover,
    .post-card:hover {
        transform: translateY(-6px);
    }
    
    .posts-section .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .archive-metrics__grid {
        grid-template-columns: 1fr;
    }
    
    .archive-metrics__card::after {
        display: none;
    }
    
    .home-hero__panel-card {
        padding: 1.5rem 1rem;
    }
    
    .home-hero__panel-title {
        font-size: 1.5rem;
    }
    
    .home-hero__kpi strong {
        font-size: 1.75rem;
    }
    
    .home-hero__stack li {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
}

/* ============ DARK MODE ENHANCEMENTS ============ */
:root[data-theme="dark"] .archive-metrics__card,
:root[data-theme="dark"] .trending-card,
:root[data-theme="dark"] .post-card,
:root[data-theme="dark"] .newsletter-section__inner {
    background: var(--premium-card-bg);
    border-color: var(--premium-card-border);
}

:root[data-theme="dark"] .trending-palette {
    background: rgba(15, 15, 18, 0.95);
}

:root[data-theme="dark"] .trending-palette::before {
    background-color: rgba(255, 255, 255, 0.02);
}

:root[data-theme="dark"] .newsletter-section {
    background: rgba(0, 102, 204, 0.06);
}

/* Dark mode shimmer adjustment */
:root[data-theme="dark"] .trending-card::before,
:root[data-theme="dark"] .post-card::before,
:root[data-theme="dark"] .archive-hero--home .home-hero__panel-card::before {
    background: rgba(96, 165, 250, 0.08);
}

/* Dark mode text colors */
:root[data-theme="dark"] .trending-card__title a,
:root[data-theme="dark"] .post-card__title a {
    color: var(--premium-text-primary);
}

:root[data-theme="dark"] .trending-card__excerpt,
:root[data-theme="dark"] .post-card__excerpt {
    color: var(--premium-text-secondary);
}

:root[data-theme="dark"] .home-hero__kpis {
    background: var(--premium-kpi-bg);
    border-color: var(--premium-card-border);
}

:root[data-theme="dark"] .home-hero__panel-list li {
    background: var(--premium-step-bg);
    border-color: var(--premium-card-border);
}

:root[data-theme="dark"] .home-hero__stack li {
    background: var(--premium-stack-pill-bg);
    border-color: var(--premium-stack-pill-border);
}

:root[data-theme="dark"] .posts-section .section-header__link {
    background: var(--premium-stack-pill-bg);
    border-color: var(--premium-stack-pill-border);
}

:root[data-theme="dark"] .posts-section .section-header__link:hover {
    background: var(--premium-step-gradient-start);
    color: #ffffff;
}