/* M-ai Story Landing Page - Main Styles */

/* CSS Custom Properties - Pastel Color Palette */
:root {
    --pastel-pink: #FFB6C1;
    --pastel-yellow: #FFF8DC;
    --pastel-green: #D4F1D4;
    --pastel-purple: #E6E6FA;
    --pastel-blue: #E8F4FD;
    --soft-white: #FEFEFE;
    --gentle-charcoal: #4A4A4A;
    --soft-gray: #7A7A7A;
    --light-gray: #F5F5F5;
    --border-light: #E0E0E0;
    
    /* Story Theme Colors */
    --brushing-color: #E8F4FD;
    --sharing-color: #D4F1D4;
    --bedtime-color: #E6E6FA;
    --veggies-color: #FFF8DC;
    
    /* Typography */
    --font-family: 'Itim', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-pastel: 0 4px 20px rgba(255, 182, 193, 0.15);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gentle-charcoal);
    background-color: var(--soft-white);
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}

/* Improve button/link tap behavior on mobile */
button,
a,
input,
select,
textarea {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: radial-gradient(circle at top left, rgba(232, 244, 253, 0.6), transparent 60%),
                radial-gradient(circle at bottom right, rgba(255, 182, 193, 0.35), transparent 55%),
                var(--soft-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 300px;
    height: 300px;
    background: rgba(230, 230, 250, 0.5);
    border-radius: 50%;
    filter: blur(30px);
}

.hero-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-copy {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 999px;
    background: rgba(230, 230, 250, 0.4);
    color: var(--soft-gray);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    width: fit-content;
}

.hero-title {
    font-size: clamp(2.25rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--soft-gray);
    max-width: 520px;
}

.hero-highlights {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero-highlights li {
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--pastel-purple), var(--pastel-blue));
    color: var(--gentle-charcoal);
    border: none;
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-metric {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    color: var(--soft-gray);
}

.metric-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gentle-charcoal);
}

.hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
    width: 100%;
    max-width: 520px;
}

.floating-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.note-icon {
    font-size: var(--font-size-2xl);
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--pastel-blue) 0%, var(--pastel-purple) 100%);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--gentle-charcoal);
    text-decoration: none;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-mascot {
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease;
}

.logo:hover .logo-mascot {
    transform: rotate(-10deg) scale(1.1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1000;
    position: relative;
}

.hamburger-line {
    width: 2rem;
    height: 0.25rem;
    background: var(--gentle-charcoal);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:first-child {
    transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-weight: 600;
    color: var(--gentle-charcoal);
    text-decoration: none;
    position: relative;
    padding-bottom: 2px;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    width: 100%;
}

/* Main Content */
.main {
    min-height: calc(100vh - 200px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Value Proposition Section */
.value-proposition {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(232, 244, 253, 0.75) 100%);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.text-content {
    padding-right: var(--spacing-xl);
}

.value-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gentle-charcoal);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.value-description {
    font-size: var(--font-size-lg);
    color: var(--soft-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--pastel-pink);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    font-size: var(--font-size-xl);
    margin-right: var(--spacing-xs);
}

/* Image Showcase */
.image-showcase {
    position: relative;
    background: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.gallery-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.gallery-label {
    font-size: var(--font-size-sm);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--soft-gray);
}

.gallery-description {
    color: var(--soft-gray);
}

.story-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.story-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.story-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--pastel-pink), var(--pastel-purple));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.story-card:hover::before {
    opacity: 1;
}

/* Individual story card colors */
.story-card:nth-child(1) {
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-left: 4px solid var(--pastel-pink);
}

.story-card:nth-child(2) {
    background: linear-gradient(135deg, rgba(232, 244, 253, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-left: 4px solid var(--pastel-blue);
}

.story-card:nth-child(3) {
    background: linear-gradient(135deg, rgba(212, 241, 212, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-left: 4px solid var(--pastel-green);
}

.story-card-index {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--soft-gray);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.story-card-text {
    color: var(--gentle-charcoal);
    font-weight: 500;
}

.image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    max-width: 420px;
    margin: 0 auto;
}

.image-placeholder {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    background: rgba(232, 244, 253, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-pastel);
}

.story-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.image-placeholder:hover .story-image {
    transform: scale(1.05);
}

.placeholder-text {
    display: none;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg);
    font-weight: 600;
    color: var(--gentle-charcoal);
    background: rgba(255, 255, 255, 0.85);
    width: 100%;
    height: 100%;
}

.image-placeholder.placeholder-active .placeholder-text {
    display: flex;
}

.image-placeholder.placeholder-active .story-image {
    display: none;
}

.example-selector {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

.examples-buttons {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.example-option {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.example-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-2xl);
    background: var(--soft-white);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-family);
    font-size: var(--font-size-2xl);
    color: var(--gentle-charcoal);
    position: relative;
    overflow: hidden;
    width: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    touch-action: manipulation;
    user-select: none;
}

.example-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.example-btn:hover::before {
    left: 100%;
}

.example-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.example-btn.active {
    box-shadow: var(--shadow-lg);
    border-color: rgba(74, 74, 74, 0.25);
    transform: translateY(-4px);
}

.example-btn:active {
    transform: translateY(0);
}

.example-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gentle-charcoal);
}

.example-footnote {
    font-size: var(--font-size-sm);
    color: var(--soft-gray);
}

/* Individual button colors */
.brushing-teeth {
    background: linear-gradient(135deg, var(--brushing-color) 0%, rgba(232, 244, 253, 0.8) 100%);
    border-color: var(--pastel-blue);
}

.brushing-teeth:hover {
    background: linear-gradient(135deg, var(--pastel-blue) 0%, var(--brushing-color) 100%);
    border-color: var(--pastel-blue);
}

.veggies {
    background: linear-gradient(135deg, var(--veggies-color) 0%, rgba(255, 248, 220, 0.8) 100%);
    border-color: var(--pastel-yellow);
}

.veggies:hover {
    background: linear-gradient(135deg, var(--pastel-yellow) 0%, var(--veggies-color) 100%);
    border-color: var(--pastel-yellow);
}

.potty {
    background: linear-gradient(135deg, rgba(255, 251, 247, 0.9) 0%, rgba(255, 233, 208, 0.8) 100%);
    border-color: #ffe4c4;
}

.potty:hover {
    background: linear-gradient(135deg, rgba(255, 233, 208, 0.8) 0%, rgba(255, 251, 247, 0.9) 100%);
    border-color: #ffdab9;
}

.bedtime {
    background: linear-gradient(135deg, var(--bedtime-color) 0%, rgba(230, 230, 250, 0.8) 100%);
    border-color: var(--pastel-purple);
}

.bedtime:hover {
    background: linear-gradient(135deg, var(--pastel-purple) 0%, var(--bedtime-color) 100%);
    border-color: var(--pastel-purple);
}

.btn-icon {
    font-size: inherit;
}

/* Call to Action Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--pastel-pink) 0%, var(--pastel-purple) 100%);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gentle-charcoal);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.025em;
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--soft-gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--gentle-charcoal);
    color: white;
    border: none;
    border-radius: var(--radius-2xl);
    font-family: var(--font-family);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--soft-gray);
}

.hero-button:hover .btn-arrow {
    transform: translateX(4px);
}

.cta-button:active {
    transform: translateY(0);
}

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

.cta-button:hover .btn-arrow {
    transform: translateX(4px);
}

/* App Store Buttons */
.app-store-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.app-store-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gentle-charcoal);
    color: white;
    border: 2px solid var(--gentle-charcoal);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    min-height: 48px;
}

.app-store-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--soft-gray);
    border-color: var(--soft-gray);
}

.app-store-btn:active {
    transform: translateY(0);
}

.store-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.store-label {
    font-size: var(--font-size-xs);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.store-name {
    font-size: var(--font-size-base);
    font-weight: 600;
}

.cta-store-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-store-btn {
    background: white;
    color: var(--gentle-charcoal);
    border-color: white;
}

.cta-store-btn:hover {
    background: var(--soft-white);
    border-color: var(--soft-white);
    color: var(--gentle-charcoal);
}

/* Floating Download Button */
.floating-download-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--pastel-purple), var(--pastel-blue));
    color: var(--gentle-charcoal);
    border: none;
    border-radius: var(--radius-2xl);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 999;
    transition: all 0.3s ease;
}

.floating-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.floating-download-btn.visible {
    display: flex;
}

.download-icon {
    width: 20px;
    height: 20px;
}

/* Footer */
.footer {
    background: var(--light-gray);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    color: var(--soft-gray);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--gentle-charcoal);
    text-decoration: underline;
}

.footer-separator {
    color: var(--soft-gray);
    font-size: var(--font-size-sm);
}

.footer-text {
    color: var(--soft-gray);
    font-size: var(--font-size-sm);
}

.footer-dedication {
    color: var(--gentle-charcoal);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Mascot Styles */
.mascot-small {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
}

.mascot-hero {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    display: block;
    animation: float 3s ease-in-out infinite;
}

.mascot-feature {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

/* How It Works */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--soft-white);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.section-badge {
    font-size: var(--font-size-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--soft-gray);
}

.section-header h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--gentle-charcoal);
}

.section-header p {
    color: var(--soft-gray);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-xl);
}

.step-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.step-icon {
    font-size: 2.5rem;
}

.step-card h4 {
    font-size: var(--font-size-xl);
    color: var(--gentle-charcoal);
}

.step-card p {
    color: var(--soft-gray);
}

/* Social Proof */
.social-proof {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(232, 244, 253, 0.5), rgba(255, 248, 220, 0.5));
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-xl);
}

.proof-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.proof-icon {
    font-size: 2.25rem;
}

.proof-card h4 {
    font-size: var(--font-size-xl);
    color: var(--gentle-charcoal);
}

.proof-card p {
    color: var(--soft-gray);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--pastel-pink);
    border-top: 4px solid var(--pastel-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    color: var(--gentle-charcoal);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }