/**
 * Feature Landing Pages Styles
 * Requirements: 1.2, 16.1, 16.2, 16.3
 * 
 * This stylesheet provides comprehensive styling for feature landing pages including:
 * - Hero sections with badges and CTAs
 * - Feature blocks with icons, images, and tags
 * - CTA sections (default, compact, form variants)
 * - Feature navigation menu
 * - Responsive design for all devices
 */

/* ============================================================================
   CSS Variables & Theme Support
   ============================================================================ */

:root {
    --feature-page-spacing: 6rem;
    --feature-page-spacing-mobile: 3rem;
    --feature-block-gap: 4rem;
    --feature-block-gap-mobile: 2rem;
}

/* ============================================================================
   Feature Page Layout
   ============================================================================ */

.feature-page {
    background: var(--color-bg, #ffffff);
    min-height: 100vh;
}

.feature-page-content {
    padding-top: 0;
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg, 0.5rem);
    font-size: var(--font-size-base, 1rem);
    font-weight: var(--font-weight-medium, 500);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn--primary {
    background: white;
    color: var(--color-primary, #4f46e5);
}

.btn--primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn--block {
    width: 100%;
    justify-content: center;
}

.btn--animated svg {
    transition: transform 0.3s ease;
}

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

/* ============================================================================
   Hero Section
   ============================================================================ */

.hero-section {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.95) 0%, 
        rgba(139, 92, 246, 0.9) 50%,
        rgba(236, 72, 153, 0.85) 100%
    );
}

/* Hero background pattern */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.hero-section__content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.hero-section__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full, 9999px);
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: var(--font-weight-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: fadeInUp 0.6s ease-out;
}

.hero-section__badge svg {
    width: 16px;
    height: 16px;
}

.hero-section__badge--exclusive {
    background: rgba(236, 72, 153, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-section__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: white;
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.hero-section__title .gradient-text {
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-section__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    line-height: 1.7;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-section__cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================================
   Feature Block Component
   ============================================================================ */

.feature-block {
    padding: var(--feature-page-spacing) 2rem;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    position: relative;
}

.feature-block:last-child {
    border-bottom: none;
}

/* Highlight variant with special background */
.feature-block--highlight {
    background: linear-gradient(135deg, 
        var(--color-primary-light, #f0f4ff) 0%, 
        var(--color-bg-secondary, #f9fafb) 100%);
    border-left: 4px solid var(--color-primary, #4f46e5);
}

.feature-block--highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 50%, rgba(99, 102, 241, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.feature-block__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--feature-block-gap);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Reverse layout for alternating blocks */
.feature-block__content--reverse {
    direction: rtl;
}

.feature-block__content--reverse > * {
    direction: ltr;
}

.feature-block__text {
    padding: 1.5rem;
}

.feature-block__icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    color: var(--color-primary, #4f46e5);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light, #f0f4ff);
    border-radius: var(--radius-xl, 1rem);
    padding: 1rem;
    transition: transform 0.3s ease;
}

.feature-block:hover .feature-block__icon {
    transform: scale(1.05);
}

.feature-block__icon svg {
    width: 100%;
    height: 100%;
}

.feature-block__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-text, #1a1a1a);
}

.feature-block__description {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.7;
    color: var(--color-text-secondary, #666666);
    margin-bottom: 1.5rem;
}

.feature-block__tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.feature-block__tags .tag {
    padding: 0.375rem 0.875rem;
    background: var(--color-bg-secondary, #f3f4f6);
    color: var(--color-text-secondary, #666666);
    border-radius: var(--radius-full, 9999px);
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: var(--font-weight-medium, 500);
    border: 1px solid var(--color-border, #e5e7eb);
    transition: all 0.2s ease;
}

.feature-block__tags .tag:hover {
    background: var(--color-primary-light, #f0f4ff);
    color: var(--color-primary, #4f46e5);
    border-color: var(--color-primary, #4f46e5);
}

.feature-block__image {
    border-radius: var(--radius-2xl, 1.5rem);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-block:hover .feature-block__image {
    transform: translateY(-8px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15);
}

.feature-block__image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================================================
   CTA Section Component
   ============================================================================ */

.cta-section {
    padding: var(--feature-page-spacing) 2rem;
    text-align: center;
    background: var(--color-bg-secondary, #f9fafb);
    position: relative;
    overflow: hidden;
}

/* Default variant */
.cta-section--default {
    background: var(--color-bg-secondary, #f9fafb);
}

/* Compact variant - less padding */
.cta-section--compact {
    padding: calc(var(--feature-page-spacing) * 0.75) 2rem;
}

/* Form variant - gradient background */
.cta-section--form {
    background: linear-gradient(135deg, 
        var(--color-primary, #4f46e5) 0%, 
        #8b5cf6 50%,
        #ec4899 100%);
    color: white;
}

.cta-section--form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-section__content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-text, #1a1a1a);
}

.cta-section--form .cta-section__title {
    color: white;
}

.cta-section__description {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--color-text-secondary, #666666);
}

.cta-section--form .cta-section__description {
    color: rgba(255, 255, 255, 0.95);
}

.cta-section__countdown {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.cta-section__buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* CTA Features list */
.cta-section__features {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary, #666666);
    font-size: var(--font-size-sm, 0.875rem);
}

.cta-section--form .cta-feature {
    color: rgba(255, 255, 255, 0.95);
}

.cta-feature svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-primary, #4f46e5);
}

.cta-section--form .cta-feature svg {
    color: white;
}

/* CTA Stats */
.cta-section__stats {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--font-size-sm, 0.875rem);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
}

/* ============================================================================
   Feature Navigation Component - Minimalist Design
   ============================================================================ */

.feature-navigation {
    background: var(--color-bg, #ffffff);
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    position: sticky;
    top: 64px;
    z-index: 100;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.feature-navigation--scrolled {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.feature-navigation__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.feature-navigation__list {
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    padding: 0.375rem 0;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border, #e5e7eb) transparent;
    justify-content: center;
    scroll-padding: 0 1rem;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.feature-navigation__list::-webkit-scrollbar {
    height: 3px;
}

.feature-navigation__list::-webkit-scrollbar-track {
    background: transparent;
}

.feature-navigation__list::-webkit-scrollbar-thumb {
    background: var(--color-border, #e5e7eb);
    border-radius: 2px;
}

.feature-navigation__item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-md, 0.375rem);
    text-decoration: none;
    color: var(--color-text-secondary, #666666);
    font-weight: var(--font-weight-medium, 500);
    font-size: 0.75rem;
    white-space: nowrap;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.feature-navigation__item:hover {
    background: var(--color-bg-secondary, #f3f4f6);
    color: var(--color-text, #1a1a1a);
    border-color: var(--color-border, #e5e7eb);
}

.feature-navigation__item--active {
    background: var(--color-primary, #4f46e5);
    color: white;
    border-color: var(--color-primary, #4f46e5);
    box-shadow: 0 1px 4px rgba(79, 70, 229, 0.25);
}

.feature-navigation__item--active:hover {
    background: var(--color-primary, #4f46e5);
    color: white;
}

.feature-navigation__icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-navigation__icon svg {
    width: 100%;
    height: 100%;
}

.feature-navigation__title {
    font-weight: var(--font-weight-medium, 500);
}

/* Mobile hamburger menu (hidden by default, shown on mobile) */
.feature-navigation__mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--color-text, #1a1a1a);
    cursor: pointer;
    border-radius: var(--radius-md, 0.375rem);
    transition: background 0.2s ease;
}

.feature-navigation__mobile-toggle:hover {
    background: var(--color-bg-secondary, #f3f4f6);
}

.feature-navigation__mobile-toggle svg {
    width: 20px;
    height: 20px;
}

/* ============================================================================
   Responsive Design - Requirements: 16.1, 16.2, 16.3
   ============================================================================ */

/* Tablet (768px - 1024px) - Requirement 16.2 */
@media (max-width: 1024px) {
    :root {
        --feature-page-spacing: 4rem;
        --feature-block-gap: 3rem;
    }
    
    .hero-section {
        padding: 6rem 1.5rem 3rem;
    }
    
    .hero-section__title {
        font-size: clamp(2rem, 4vw, 3rem);
    }
    
    .hero-section__subtitle {
        font-size: 1.125rem;
    }
    
    .feature-block {
        padding: 4rem 1.5rem;
    }
    
    .feature-block__content {
        gap: 3rem;
    }
    
    .feature-block__title {
        font-size: clamp(1.5rem, 2.5vw, 1.75rem);
    }
    
    .feature-block__description {
        font-size: 1rem;
    }
    
    .cta-section {
        padding: 4rem 1.5rem;
    }
    
    .cta-section--compact {
        padding: 3rem 1.5rem;
    }
    
    .cta-section__title {
        font-size: clamp(1.75rem, 3vw, 2.25rem);
    }
    
    .feature-navigation {
        top: 60px;
    }
}

/* Mobile (< 768px) - Requirement 16.1 */
@media (max-width: 768px) {
    :root {
        --feature-page-spacing: var(--feature-page-spacing-mobile);
        --feature-block-gap: var(--feature-block-gap-mobile);
    }
    
    /* Hero Section */
    .hero-section {
        padding: 5rem 1.5rem 3rem;
        min-height: 100vh;
    }
    
    .hero-section__content {
        padding: 0 0.5rem;
    }
    
    .hero-section__title {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
        margin-bottom: 1rem;
    }
    
    .hero-section__subtitle {
        font-size: 1.125rem;
        margin-bottom: 2rem;
        padding: 0 0.5rem;
    }
    
    .hero-section__badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-section__cta {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
        padding: 0 0.5rem;
    }
    
    .hero-section__cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Feature Blocks */
    .feature-block {
        padding: 3rem 1.5rem;
    }
    
    .feature-block__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Reset reverse direction on mobile */
    .feature-block__content--reverse {
        direction: ltr;
    }
    
    .feature-block__text {
        padding: 0;
    }
    
    .feature-block__icon {
        width: 56px;
        height: 56px;
        margin-bottom: 1rem;
    }
    
    .feature-block__title {
        font-size: clamp(1.25rem, 4vw, 1.5rem);
        margin-bottom: 0.75rem;
    }
    
    .feature-block__description {
        font-size: 0.9375rem;
        margin-bottom: 1rem;
    }
    
    .feature-block__tags {
        gap: 0.375rem;
    }
    
    .feature-block__tags .tag {
        font-size: 0.75rem;
        padding: 0.25rem 0.625rem;
    }
    
    /* CTA Sections */
    .cta-section {
        padding: 3rem 1.5rem;
    }
    
    .cta-section--compact {
        padding: 2.5rem 1.5rem;
    }
    
    .cta-section__title {
        font-size: clamp(1.5rem, 4vw, 1.75rem);
        margin-bottom: 0.75rem;
    }
    
    .cta-section__description {
        font-size: 0.9375rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-section__buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    
    .cta-section__buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-section__features {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    /* Feature Navigation */
    .feature-navigation {
        top: 0;
        position: relative;
    }
    
    .feature-navigation__container {
        padding: 0 0.5rem;
    }
    
    .feature-navigation__list {
        padding: 0.5rem 0;
        gap: 0.375rem;
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .feature-navigation__item {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
        min-width: auto;
        flex-shrink: 0;
    }
    
    /* Show text on mobile */
    .feature-navigation__title {
        display: inline;
    }
    
    .feature-navigation__icon {
        width: 16px;
        height: 16px;
    }
}

/* Small Mobile (< 480px) - Requirement 16.3 */
@media (max-width: 480px) {
    .hero-section {
        padding: 4rem 1rem 2.5rem;
    }
    
    .hero-section__content {
        padding: 0;
    }
    
    .hero-section__title {
        font-size: 1.75rem;
    }
    
    .hero-section__subtitle {
        font-size: 1rem;
        padding: 0;
    }
    
    .hero-section__cta {
        padding: 0;
    }
    
    .feature-block {
        padding: 2.5rem 1rem;
    }
    
    .feature-block__icon {
        width: 48px;
        height: 48px;
    }
    
    .feature-block__title {
        font-size: 1.25rem;
    }
    
    .feature-block__description {
        font-size: 0.875rem;
    }
    
    .cta-section {
        padding: 2.5rem 1rem;
    }
    
    .cta-section--compact {
        padding: 2rem 1rem;
    }
    
    .cta-section__title {
        font-size: 1.375rem;
    }
    
    .cta-section__description {
        font-size: 0.875rem;
    }
    
    .feature-navigation__container {
        padding: 0 0.5rem;
    }
    
    .feature-navigation__list {
        gap: 0.25rem;
        padding: 0.5rem 0;
    }
    
    .feature-navigation__item {
        padding: 0.5rem 0.625rem;
        font-size: 0.6875rem;
    }
    
    .feature-navigation__icon {
        width: 14px;
        height: 14px;
    }
}

/* Landscape mobile optimization */
@media (max-width: 768px) and (orientation: landscape) {
    .hero-section {
        padding: 2rem 1.25rem;
    }
    
    .feature-block {
        padding: 2rem 1.25rem;
    }
    
    .cta-section {
        padding: 2rem 1.25rem;
    }
}

/* ============================================================================
   Accessibility - Requirements: 15.1, 15.2
   ============================================================================ */

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary, #4f46e5);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000;
}

.skip-link:focus {
    top: 0;
}

/* Focus visible styles */
.feature-navigation__item:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--color-primary, #4f46e5);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-block {
        border-bottom-width: 2px;
    }
    
    .feature-navigation__item--active {
        border: 2px solid currentColor;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .feature-navigation__item,
    .btn,
    .feature-block__icon,
    .feature-block__image,
    .hero-section__badge,
    .hero-section__title,
    .hero-section__subtitle,
    .hero-section__cta {
        transition: none;
        animation: none;
    }
}

/* ============================================================================
   Dark Theme Support
   ============================================================================ */

[data-theme="dark"] .feature-page {
    background: var(--color-bg, #0f172a);
}

[data-theme="dark"] .hero-section {
    background: linear-gradient(135deg, 
        rgba(79, 70, 229, 0.1) 0%, 
        var(--color-bg, #0f172a) 100%);
}

[data-theme="dark"] .feature-block {
    border-bottom-color: var(--color-border, #1e293b);
}

[data-theme="dark"] .feature-block--highlight {
    background: linear-gradient(135deg, 
        rgba(79, 70, 229, 0.05) 0%, 
        var(--color-bg-secondary, #1e293b) 100%);
    border-left-color: var(--color-primary, #6366f1);
}

[data-theme="dark"] .feature-block__icon {
    background: rgba(79, 70, 229, 0.1);
    color: var(--color-primary, #818cf8);
}

[data-theme="dark"] .feature-block__tags .tag {
    background: var(--color-bg-secondary, #1e293b);
    border-color: var(--color-border, #334155);
}

[data-theme="dark"] .cta-section--default {
    background: var(--color-bg-secondary, #1e293b);
}

[data-theme="dark"] .feature-navigation {
    background: var(--color-bg, #0f172a);
    border-bottom-color: var(--color-border, #1e293b);
}

[data-theme="dark"] .feature-navigation__item:hover {
    background: var(--color-bg-secondary, #1e293b);
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container--wide {
    max-width: 1400px;
}

.container--narrow {
    max-width: 800px;
}

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Display utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flex utilities */
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* ============================================================================
   Print Styles
   ============================================================================ */

@media print {
    .feature-navigation,
    .hero-section__cta,
    .cta-section__buttons,
    .skip-link {
        display: none;
    }
    
    .feature-block {
        page-break-inside: avoid;
    }
    
    .feature-block__image {
        box-shadow: none;
    }
}

/* ============================================================================
   Stats Section (for CTA)
   ============================================================================ */

.cta-section__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
}

.stat-divider {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1;
}

/* Responsive stats */
@media (max-width: 768px) {
    .cta-section__stats {
        gap: 1rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .stat-divider {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .cta-section__stats {
        gap: 0.75rem;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.6875rem;
    }
    
    .stat-divider {
        font-size: 1.25rem;
    }
}