/* ========================================
   HOMEPAGE STYLES - PLATFORM LANDING PAGE
   World-class AI Platform showcase
   Version: 5.75.0
   
   DESIGN PRINCIPLES:
   - NO GRADIENTS (solid colors only)
   - High contrast (WCAG AA+)
   - Uses design system variables
   - Cross-viewport parity
   
   STRUCTURE:
   - PLATFORM = Homepage (Tools/Products showcase)
   - BLOG = Business/investor content (separate page)
   ======================================== */

/* ============ PLATFORM HERO ============ */
.platform-hero {
    padding: var(--space-16) 0 var(--space-12);
    background: var(--color-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.platform-hero::before {
    content: '';
    position: absolute;
    top: -25%;
    left: -10%;
    width: 45%;
    height: 70%;
    background: rgba(var(--color-primary-rgb, 0, 102, 204), 0.05); /* Drastically reduced from 0.08 */
    filter: blur(120px); /* Softer blur */
    opacity: 0.3; /* Reduced from 0.8 for subtle effect */
    animation: platformOrbFloat 14s ease-in-out 3;
    pointer-events: none;
}

.platform-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -15%;
    width: 55%;
    height: 80%;
    background: rgba(var(--color-primary-rgb, 0, 102, 204), 0.04);
    filter: blur(120px);
    opacity: 0.3;
    animation: platformOrbFloat 16s ease-in-out 3;
    pointer-events: none;
}

@keyframes platformOrbFloat {
    0% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(24px, -18px, 0) scale(1.06); }
    100% { transform: translate3d(0, 0, 0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .platform-hero::before,
    .platform-hero::after {
        animation: none;
    }
}

.platform-hero__content {
    max-width: 820px;
    margin: 0 auto var(--space-12);
    position: relative;
    z-index: 1;
}

.platform-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-10);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.platform-hero__badge svg {
    color: var(--color-primary);
}

.platform-hero__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0 0 var(--space-6);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.platform-hero__desc {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0 0 var(--space-8);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.platform-hero__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* Large button variants */
.btn-primary--large,
.btn-outline--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

/* Hero Stats */
.platform-hero__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    padding: var(--space-8) var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--color-surface-alt);
    border-radius: var(--radius-lg);
    min-width: 140px;
}

.hero-stat__value {
    font-size: clamp(32px, 3vw, 48px);
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    line-height: 1;
}

.hero-stat__label {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* ============ SECTION INTRO ============ */
.section-intro {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-12);
}

.section-intro__eyebrow {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-10);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-intro__title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0 0 var(--space-4);
    letter-spacing: -0.02em;
}

.section-intro__desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ============ PLATFORM TOOLS SECTION ============ */
.platform-tools {
    padding: var(--space-16) 0;
    background: var(--color-surface-alt);
}

/* Tools Grid - 3 columns */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    /* Equal height cards for consistent appearance */
    grid-auto-rows: 1fr;
}

/* Tool Card */
.tool-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 32px;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.tool-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    transform: translateY(-6px);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    background: var(--color-primary-10);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.tool-card__content {
    flex: 1;
}

.tool-card__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-2);
}

.tool-card__badge {
    display: inline-flex;
    padding: var(--space-1) var(--space-2);
    background: var(--color-warning-10, rgba(184, 104, 0, 0.1));
    color: var(--color-warning, #B86800);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

/* Metric badge for investor-focused cards */
.tool-card__metric {
    display: inline-flex;
    padding: var(--space-1) var(--space-2);
    background: var(--color-success-10, rgba(16, 185, 129, 0.1));
    color: var(--color-success, #10B981);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-left: var(--space-2);
}

.tool-card__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

.tool-card__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary);
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    margin-top: auto;
    width: fit-content;
    transition: all var(--transition-base);
}

.tool-card__cta:hover {
    background: var(--color-primary-hover);
    transform: translateX(4px);
}

.tool-card__cta svg {
    transition: transform var(--transition-fast);
}

.tool-card__cta:hover svg {
    transform: translateX(4px);
}

/* Coming Soon variant */
.tool-card--coming-soon {
    opacity: 0.85;
}

.tool-card--coming-soon .tool-card__cta {
    background: var(--color-text-muted);
}

.tool-card--coming-soon .tool-card__cta:hover {
    background: var(--color-text-secondary);
}

/* ============ PLATFORM FEATURES ============ */
.platform-features {
    padding: var(--space-16) 0;
    background: var(--color-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); /* Auto-fit instead of fixed 4-col */
    gap: var(--space-6);
}

.feature-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    background: var(--color-primary-10);
    color: var(--color-primary);
    border-radius: var(--radius-xl);
}

/* Larger icons for better visual hierarchy */
.feature-card__icon svg {
    width: 32px;
    height: 32px;
}

.feature-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-2);
    word-break: normal;
    overflow-wrap: break-word;
    hyphens: auto;
}

.feature-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ============ PLATFORM CTA ============ */
.platform-cta {
    padding: var(--space-16) 0;
    background: var(--color-surface-alt);
    position: relative;
    overflow: hidden;
}

.platform-cta::before {
    content: '';
    position: absolute;
    top: -35%;
    right: -20%;
    width: 50%;
    height: 80%;
    background: rgba(var(--color-primary-rgb, 0, 102, 204), 0.08);
    filter: blur(100px);
    opacity: 0.75;
    pointer-events: none;
}

.platform-cta::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -15%;
    width: 55%;
    height: 85%;
    background: rgba(var(--color-primary-rgb, 0, 102, 204), 0.05);
    filter: blur(120px);
    opacity: 0.7;
    pointer-events: none;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    position: relative;
    z-index: 1;
}

.cta-card {
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.cta-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.cta-card__eyebrow {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-10);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.cta-card__title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0 0 var(--space-3);
    letter-spacing: -0.01em;
}

.cta-card__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0 0 var(--space-6);
}

/* ============ RESPONSIVE: PLATFORM SECTIONS ============ */
@media (max-width: 1024px) {
    .platform-hero {
        padding: var(--space-12) 0 var(--space-8);
    }
    
    .platform-hero__stats {
        gap: var(--space-8);
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .platform-hero {
        padding: var(--space-8) 0 var(--space-6);
    }
    
    .platform-hero__actions {
        flex-direction: column;
    }
    
    .platform-hero__actions .btn-primary,
    .platform-hero__actions .btn-outline {
        width: 100%;
        justify-content: center;
    }
    
    .platform-hero__stats {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-6) var(--space-4);
    }
    
    .hero-stat {
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
        padding: var(--space-2) 0;
        border-bottom: 1px solid var(--color-border);
    }
    
    .hero-stat:last-child {
        border-bottom: none;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .tool-card {
        padding: var(--space-5);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .platform-tools,
    .platform-features,
    .platform-cta {
        padding: var(--space-10) 0;
    }
    
    .cta-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .cta-card {
        padding: var(--space-6);
    }
}

@media (max-width: 480px) {
    .platform-hero__badge {
        font-size: var(--font-size-xs);
        padding: var(--space-1) var(--space-3);
    }
    
    .tool-card__icon {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }
    
    .section-intro {
        margin-bottom: var(--space-8);
    }
}

/* ============ DARK MODE: PLATFORM ============ */
[data-theme="dark"] .platform-hero,
[data-theme="dark"] .platform-features {
    background: var(--color-bg-dark);
}

[data-theme="dark"] .platform-tools,
[data-theme="dark"] .platform-cta {
    background: var(--color-surface-alt-dark);
}

[data-theme="dark"] .platform-hero__stats,
[data-theme="dark"] .tool-card,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .cta-card {
    background: var(--color-surface-dark);
    border-color: var(--color-border-dark);
}

[data-theme="dark"] .platform-hero__title,
[data-theme="dark"] .section-intro__title,
[data-theme="dark"] .tool-card__title,
[data-theme="dark"] .feature-card__title,
[data-theme="dark"] .cta-card__title {
    color: var(--color-text-dark);
}

[data-theme="dark"] .platform-hero__desc,
[data-theme="dark"] .section-intro__desc,
[data-theme="dark"] .tool-card__desc,
[data-theme="dark"] .feature-card__desc,
[data-theme="dark"] .cta-card__desc,
[data-theme="dark"] .hero-stat__label {
    color: var(--color-text-muted-dark);
}

[data-theme="dark"] .hero-stat {
    border-bottom-color: var(--color-border-dark);
}

/* ========================================
   LEGACY HOMEPAGE STYLES (Blog news hub)
   Keep for backward compatibility
   ======================================== */

/* ============ HERO SECTION ============ */
.home-hero {
    padding: var(--space-8) 0 var(--space-12);
    background: var(--color-bg);
}

.home-hero__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-6);
    align-items: stretch;
}

/* Featured Story (Main) */
.featured-story {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    height: 100%;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.featured-story__image-link {
    position: absolute;
    inset: 0;
    display: block;
}

.featured-story__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.featured-story__image--placeholder {
    background: var(--color-surface-alt);
}

.featured-story:hover .featured-story__image {
    transform: scale(1.03);
}

.featured-story__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

.featured-story__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-8);
    z-index: 2;
}

.featured-story__category {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    min-height: var(--touch-target-min, 44px);
    background: var(--color-primary);
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.featured-story__category:hover {
    background: var(--color-primary-hover);
}

.featured-story__title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 var(--space-3);
    letter-spacing: -0.02em;
}

.featured-story__title a {
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    text-decoration: none;
}

.featured-story__title a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.featured-story__excerpt {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.9);
    -webkit-text-fill-color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0 0 var(--space-4);
    max-width: 540px;
}

.featured-story__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.75);
    -webkit-text-fill-color: rgba(255, 255, 255, 0.75);
}

.featured-story__meta .meta-sep {
    opacity: 0.5;
}

/* Secondary Stories */
.home-hero__secondary {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.secondary-story {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    flex: 1;
    transition: all var(--transition-base);
}

.secondary-story:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.secondary-story__link {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--space-4);
    height: 100%;
    text-decoration: none;
    padding: var(--space-4);
}

.secondary-story__image {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.secondary-story__image--placeholder {
    background: var(--color-surface-alt);
}

.secondary-story__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2);
}

.secondary-story__category {
    display: inline-flex;
    align-items: center;
    min-height: calc(var(--touch-target-min, 44px) / 2);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.secondary-story__title {
    font-size: var(--font-size-base);
    font-weight: 700;
    line-height: 1.35;
    margin: 0;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.secondary-story__meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============ STATS BAR ============ */
.stats-bar {
    padding: var(--space-6) 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-bar__grid {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    text-align: center;
}

.stat-item__value {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text-heading);
}

.stat-item__value svg {
    color: var(--color-primary);
}

.stat-item__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============ CATEGORY NAVIGATION ============ */
.category-nav {
    padding: var(--space-12) 0;
    background: var(--color-surface-alt);
}

.category-nav__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.category-nav__title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0;
    letter-spacing: -0.02em;
}

.category-nav__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    min-height: var(--touch-target-min, 44px);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.category-nav__link:hover {
    gap: var(--space-3);
}

.category-nav__link svg {
    transition: transform var(--transition-fast);
}

.category-nav__link:hover svg {
    transform: translateX(4px);
}

.category-nav__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.category-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all var(--transition-base);
}

.category-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.category-card__name {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-1);
}

.category-card__count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.category-card__arrow {
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.category-card:hover .category-card__arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* ============ TRENDING SECTION ============ */
.trending-section {
    padding: var(--space-12) 0 var(--space-16);
    background: var(--color-bg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-8);
    gap: var(--space-4);
}

.section-header__left {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.section-header__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-10);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    width: fit-content;
}

.section-header__badge svg {
    color: var(--color-primary);
}

.section-header__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0;
    letter-spacing: -0.02em;
}

.section-header__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    min-height: var(--touch-target-min, 44px);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
    transition: gap var(--transition-fast);
}

.section-header__link:hover {
    gap: var(--space-3);
}

.section-header__link svg {
    transition: transform var(--transition-fast);
}

.section-header__link:hover svg {
    transform: translateX(4px);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.article-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.article-card__image-wrapper {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.article-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-card__image--placeholder {
    background: var(--color-surface-alt);
}

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

.article-card__content {
    padding: var(--space-5);
}

.article-card__category {
    display: inline-flex;
    align-items: center;
    min-height: var(--touch-target-min, 44px);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-2);
    text-decoration: none;
}

.article-card__category:hover {
    text-decoration: underline;
}

.article-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 var(--space-2);
    color: var(--color-text);
}

.article-card__title a {
    color: inherit;
    text-decoration: none;
}

.article-card__title a:hover {
    color: var(--color-primary);
}

.article-card__excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0 0 var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.article-card__meta .meta-sep {
    opacity: 0.4;
}

/* ============ HOME CTA ============ */
.home-cta {
    padding: var(--space-16) 0;
    background: var(--color-surface-alt);
    position: relative;
    overflow: hidden;
}

.home-cta::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -10%;
    width: 50%;
    height: 80%;
    background: rgba(var(--color-primary-rgb, 0, 102, 204), 0.08);
    filter: blur(110px);
    opacity: 0.75;
    pointer-events: none;
}

.home-cta::after {
    content: '';
    position: absolute;
    bottom: -35%;
    right: -15%;
    width: 55%;
    height: 85%;
    background: rgba(var(--color-primary-rgb, 0, 102, 204), 0.05);
    filter: blur(120px);
    opacity: 0.7;
    pointer-events: none;
}

.home-cta__content {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.home-cta__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0 0 var(--space-4);
    letter-spacing: -0.02em;
}

.home-cta__desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0 0 var(--space-8);
}

.home-cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* Primary Button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: var(--color-primary);
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary svg {
    transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

/* Outline Button */
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: transparent;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--color-border-strong);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-10);
}

/* ============ NEWSLETTER CARD ============ */
.newsletter-section {
    padding: var(--space-12) 0 var(--space-16);
    background: var(--color-bg);
}

.newsletter-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
}

.newsletter-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #FFFFFF;
    border-radius: var(--radius-xl);
    flex-shrink: 0;
}

.newsletter-card__content h2 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0 0 var(--space-2);
    letter-spacing: -0.01em;
}

.newsletter-card__content p {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.5;
}

.newsletter-card__form {
    flex-shrink: 0;
}

.newsletter-card__input-wrap {
    display: flex;
    gap: var(--space-2);
}

.newsletter-card__input-wrap input[type="email"] {
    width: 260px;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.newsletter-card__input-wrap input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-10);
}

.newsletter-card__input-wrap input[type="email"]::placeholder {
    color: var(--color-text-muted);
}

.newsletter-card__input-wrap button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary);
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.newsletter-card__input-wrap button:hover {
    background: var(--color-primary-hover);
}

.newsletter-card__input-wrap button svg {
    transition: transform var(--transition-fast);
}

.newsletter-card__input-wrap button:hover svg {
    transform: translateX(3px);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .home-hero__grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .featured-story {
        min-height: 400px;
    }
    
    .home-hero__secondary {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }
    
    .secondary-story__link {
        grid-template-columns: 1fr;
    }
    
    .secondary-story__image {
        height: 120px;
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .newsletter-card {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-6);
    }
    
    .newsletter-card__icon {
        margin: 0 auto;
    }
    
    .newsletter-card__input-wrap {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .newsletter-card__input-wrap input[type="email"] {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 768px) {
    .home-hero {
        padding: var(--space-4) 0 var(--space-8);
    }
    
    .featured-story {
        min-height: 320px;
    }
    
    .featured-story__content {
        padding: var(--space-5);
    }
    
    .home-hero__secondary {
        grid-template-columns: 1fr;
    }
    
    .secondary-story__link {
        grid-template-columns: 100px 1fr;
    }
    
    .secondary-story__image {
        height: 80px;
    }
    
    .stats-bar__grid {
        gap: var(--space-6);
    }
    
    .category-nav {
        padding: var(--space-8) 0;
    }
    
    .category-nav__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .category-nav__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trending-section {
        padding: var(--space-8) 0 var(--space-12);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .home-cta {
        padding: var(--space-12) 0;
    }
    
    .home-cta__actions {
        flex-direction: column;
    }
    
    .home-cta__actions .btn-primary,
    .home-cta__actions .btn-outline {
        width: 100%;
        justify-content: center;
    }
    
    .newsletter-section {
        padding: var(--space-8) 0 var(--space-12);
    }
    
    .newsletter-card {
        padding: var(--space-6);
    }
    
    .newsletter-card__input-wrap {
        flex-direction: column;
    }
    
    .newsletter-card__input-wrap input[type="email"],
    .newsletter-card__input-wrap button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .category-nav__grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item__value {
        font-size: var(--font-size-lg);
    }
}

/* ============ DARK MODE ============ */
[data-theme="dark"] .home-hero,
[data-theme="dark"] .trending-section,
[data-theme="dark"] .newsletter-section {
    background: var(--color-bg-dark);
}

[data-theme="dark"] .stats-bar,
[data-theme="dark"] .category-nav,
[data-theme="dark"] .home-cta {
    background: var(--color-surface-alt-dark);
}

[data-theme="dark"] .featured-story,
[data-theme="dark"] .secondary-story,
[data-theme="dark"] .category-card,
[data-theme="dark"] .article-card,
[data-theme="dark"] .newsletter-card {
    background: var(--color-surface-dark);
    border-color: var(--color-border-dark);
}

[data-theme="dark"] .secondary-story__title,
[data-theme="dark"] .category-card__name,
[data-theme="dark"] .article-card__title,
[data-theme="dark"] .section-header__title,
[data-theme="dark"] .home-cta__title,
[data-theme="dark"] .category-nav__title,
[data-theme="dark"] .newsletter-card__content h2 {
    color: var(--color-text-dark);
}

[data-theme="dark"] .stat-item__value {
    color: var(--color-text-dark);
}

[data-theme="dark"] .secondary-story__meta,
[data-theme="dark"] .article-card__excerpt,
[data-theme="dark"] .article-card__meta,
[data-theme="dark"] .category-card__count,
[data-theme="dark"] .stat-item__label,
[data-theme="dark"] .home-cta__desc,
[data-theme="dark"] .newsletter-card__content p {
    color: var(--color-text-muted-dark);
}

[data-theme="dark"] .btn-outline {
    color: var(--color-text-dark);
    border-color: var(--color-border-dark);
}

[data-theme="dark"] .btn-outline:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    background: var(--color-primary-10);
}

[data-theme="dark"] .newsletter-card__input-wrap input[type="email"] {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-border-dark);
    color: var(--color-text-dark);
}

[data-theme="dark"] .featured-story__overlay {
    background: rgba(0, 0, 0, 0.5);
}

/* ============ PIPELINE VISUALIZATION (How It Works) ============ */
.platform-pipeline {
    padding: var(--space-16) 0;
    background: var(--color-surface-alt);
}

.pipeline-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin: var(--space-12) 0;
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1 1 240px;
    max-width: 240px;
    padding: 32px 24px;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    position: relative;
}

.pipeline-step::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pipeline-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
}

.pipeline-step:hover::after {
    opacity: 1;
}

.pipeline-step__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary-10);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.pipeline-step__icon--brain {
    background: var(--color-primary);
    color: #FFFFFF;
    animation: pipelinePulse 2.8s ease-in-out 3;
}

@keyframes pipelinePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.35); }
    50% { box-shadow: 0 0 0 10px rgba(0, 102, 204, 0); }
}

.pipeline-step__icon svg {
    width: 32px;
    height: 32px;
}

.pipeline-step__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.pipeline-step__label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    background: var(--color-primary-10);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.pipeline-step__content h3,
.pipeline-step__content h4 {
    font-size: clamp(1.1rem, 1.4vw, 1.35rem);
    font-weight: 700;
    color: var(--color-text-heading);
    margin: 0;
    line-height: 1.2;
    text-wrap: balance;
    word-break: keep-all;
    overflow-wrap: normal;
    -webkit-hyphens: none;
    hyphens: none;
}

.pipeline-step__content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.pipeline-connector {
    color: var(--color-primary);
    opacity: 0.5;
}

.pipeline-connector svg {
    width: 40px;
    height: 24px;
}

.pipeline-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.pipeline-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.pipeline-stat__value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
}

.pipeline-stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

@media (prefers-reduced-motion: reduce) {
    .pipeline-step__icon--brain {
        animation: none;
    }
}

/* Pipeline Responsive */
@media (max-width: 960px) {
    .pipeline-flow {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .pipeline-connector {
        transform: rotate(90deg);
    }
    
    .pipeline-step {
        max-width: 100%;
        width: 100%;
        flex-direction: row;
        text-align: left;
        gap: var(--space-4);
    }
    
    .pipeline-step__content {
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .pipeline-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .pipeline-stat__value {
        font-size: var(--font-size-2xl);
    }
}

/* Dark mode */
[data-theme="dark"] .platform-pipeline {
    background: var(--color-bg-dark);
}

[data-theme="dark"] .pipeline-step {
    background: var(--color-surface-dark);
    border-color: var(--color-border-dark);
}

[data-theme="dark"] .pipeline-step:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .pipeline-step__content h3,
[data-theme="dark"] .pipeline-step__content h4 {
    color: var(--color-text-dark);
}

[data-theme="dark"] .pipeline-step__content p {
    color: var(--color-text-muted-dark);
}

/* ============ NEWSLETTER TECH STACK BADGE ============ */
.newsletter-card__tech-stack {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-3);
    justify-content: center;
}

.newsletter-card__tech-stack svg {
    flex-shrink: 0;
    color: var(--color-success);
    stroke: var(--color-success);
}

[data-theme="dark"] .newsletter-card__tech-stack {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .newsletter-card__tech-stack svg {
    color: var(--color-success-light);
    stroke: var(--color-success-light);
}