/* ========================================
   FIZZY RIZZY BRAND CASE STUDY CSS
   Premium Functional Beverage Brand Design
   ======================================== */

:root {
    /* Primary Brand Colors */
    --fizzy-turquoise: #40E0D0;
    --playful-pink: #FFB6C1;
    --lemon-yellow: #FFD700;
    --basil-green: #90EE90;
    --bubble-white: #F8FDFF;
    
    /* Premium Gradients */
    --fizzy-gradient: linear-gradient(135deg, var(--fizzy-turquoise) 0%, var(--playful-pink) 100%);
    --energy-gradient: linear-gradient(135deg, var(--lemon-yellow) 0%, var(--basil-green) 100%);
    --premium-gradient: linear-gradient(135deg, #FF6B9D 0%, #40E0D0 50%, #90EE90 100%);
    
    /* Neutral Palette */
    --bg-primary: #0A0F1C;
    --bg-secondary: #1A2332;
    --bg-tertiary: #2A3847;
    --text-primary: #FFFFFF;
    --text-secondary: #C7D2E7;
    --text-muted: #8A9BAE;
    
    /* Interactive States */
    --hover-turquoise: #36C5B8;
    --hover-pink: #FF9FBA;
    --focus-ring: rgba(64, 224, 208, 0.4);
    
    /* Design System */
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --bounce-transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --card-radius: 24px;
    --soft-radius: 16px;
    --shadow-fizzy: 0 10px 40px rgba(64, 224, 208, 0.15);
    --shadow-pink: 0 10px 40px rgba(255, 182, 193, 0.15);
    --shadow-deep: 0 25px 80px rgba(0, 0, 0, 0.4);
    
    /* Typography Scale */
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Animation Properties */
    --float-distance: 20px;
    --bubble-scale: 1.2;
}

/* ========================================
   GLOBAL STYLES & ANIMATIONS
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
}

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

/* Section */
.section {
    padding: 6rem 0;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ========================================
   HERO SECTION
   ======================================== */
.case-study-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--fizzy-gradient);
    position: relative;
    overflow: hidden;
    padding: 8rem 0 4rem;
}

.case-study-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 215, 0, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(144, 238, 144, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 70%;
    gap: 5rem;
    margin: auto;
    align-items: center;
    position:relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: 2rem;
    line-height: 1.4;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.project-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.detail-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: var(--soft-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.detail-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.detail-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.detail-value {
    font-size: 1.1rem;
    color: white;
    font-weight: 600;
}

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

.product-showcase {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-product {
    width: 100%;
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    transition: var(--transition);
}

.hero-product:hover {
    transform: scale(1.05);
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px); 
    }
    50% { 
        transform: translateY(-20px); 
    }
}

/* ========================================
   CHALLENGE SECTION
   ======================================== */
.challenge-section {
    background: var(--bg-secondary);
}

.challenge-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.challenge-item {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--bounce-transition);
    position: relative;
}

.challenge-item:hover {
    transform: translateY(-10px);
    border-color: var(--fizzy-turquoise);
    box-shadow: var(--shadow-fizzy);
}

.challenge-icon {
    font-size: 3rem;
    margin-bottom: 2rem;
    display: block;
}

.challenge-item h3 {
    color: var(--fizzy-turquoise);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.challenge-item p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.challenge-item ul {
    list-style: none;
    padding: 0;
}

.challenge-item li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.challenge-item li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--playful-pink);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ========================================
   STRATEGY SECTION
   ======================================== */
.strategy-section {
    background: rgba(64, 224, 208, 0.03);
}

.strategy-content {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.market-analysis h3 {
    color: var(--fizzy-turquoise);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.insight-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--card-radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--bounce-transition);
}

.insight-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--lemon-yellow);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.2);
}

.insight-stat {
    font-size: 3rem;
    font-weight: 800;
    color: var(--lemon-yellow);
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.insight-label {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.insight-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.competitive-landscape {
    background: var(--bg-secondary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(64, 224, 208, 0.2);
}

.competitive-landscape h3 {
    color: var(--playful-pink);
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.positioning-framework {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.positioning-insight {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--soft-radius);
    border-left: 4px solid var(--fizzy-turquoise);
}

.positioning-insight h4 {
    color: var(--fizzy-turquoise);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.positioning-insight p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   BRAND DEVELOPMENT SECTION
   ======================================== */
.development-section {
    background: var(--bg-secondary);
}

.brand-architecture {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.architecture-tier {
    background: var(--bg-primary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tier-explanation h3 {
    color: var(--lemon-yellow);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.brand-rationale,
.product-rationale {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.brand-rationale h4,
.product-rationale h4 {
    color: var(--fizzy-turquoise);
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.brand-rationale p,
.product-rationale p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.brand-rationale ul,
.product-rationale ul {
    list-style: none;
    padding: 0;
}

.brand-rationale li,
.product-rationale li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.brand-rationale li::before,
.product-rationale li::before {
    content: '★';
    position: absolute;
    left: 0;
    color: var(--playful-pink);
    font-weight: bold;
}

/* ========================================
   VISUAL IDENTITY SECTION
   ======================================== */
.identity-section {
    background: rgba(255, 182, 193, 0.03);
}

.identity-breakdown {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.identity-component {
    background: var(--bg-secondary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.component-title {
    color: var(--playful-pink);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

/* Logo System */
.logo-system {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.logo-showcase,
.wordmark-showcase {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.logo-container,
.wordmark-container {
    background: var(--bubble-white);
    padding: 3rem;
    border-radius: var(--soft-radius);
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--bg-primary);
}

.logo-s,
.logo-p {
    color: var(--fizzy-turquoise);
}

.logo-divider {
    color: var(--playful-pink);
    margin: 0 0.2rem;
}

.logo-explanation,
.wordmark-explanation {
    padding: 2rem;
}

.logo-explanation h4,
.wordmark-explanation h4 {
    color: var(--fizzy-turquoise);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.logo-explanation p,
.wordmark-explanation p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Color Strategy */
.color-strategy {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.color-rationale {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--soft-radius);
    border-left: 4px solid var(--lemon-yellow);
}

.color-rationale h4 {
    color: var(--lemon-yellow);
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.color-rationale p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.color-palette-showcase {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.color-group h4 {
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.color-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.color-swatch {
    text-align: center;
}

.swatch-color {
    width: 100%;
    height: 120px;
    border-radius: var(--soft-radius);
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.fizzy-turquoise .swatch-color {
    background: var(--fizzy-turquoise);
}

.playful-pink .swatch-color {
    background: var(--playful-pink);
}

.lemon-yellow .swatch-color {
    background: var(--lemon-yellow);
}

.basil-green .swatch-color {
    background: var(--basil-green);
}

.swatch-info h5 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.hex-code {
    color: var(--text-muted);
    font-family: monospace;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.color-psychology {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Typography System */
.typography-system {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.type-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.type-category {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--soft-radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.type-category h4 {
    color: var(--fizzy-turquoise);
    margin-bottom: 2rem;
    font-size: 1.3rem;
}

.type-example {
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--soft-radius);
}

.display-text .type-example {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--playful-pink);
    font-family: var(--font-display);
}

.brand-text .type-example {
    font-size: 3rem;
    font-weight: 700;
    color: var(--fizzy-turquoise);
}

.body-text .type-example {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.type-details {
    text-align: left;
}

.type-details p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

/* ========================================
   PACKAGING SECTION
   ======================================== */
.packaging-section {
    background: var(--bg-secondary);
}

.packaging-breakdown {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.packaging-strategy {
    background: var(--bg-primary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.packaging-strategy h3 {
    color: var(--lemon-yellow);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.strategy-item {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--soft-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.strategy-item:hover {
    transform: translateY(-5px);
    border-color: var(--fizzy-turquoise);
    box-shadow: var(--shadow-fizzy);
}

.strategy-item h4 {
    color: var(--fizzy-turquoise);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.strategy-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.regulatory-compliance {
    background: var(--bg-primary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.regulatory-compliance h3 {
    color: var(--playful-pink);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.compliance-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.compliance-item {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: var(--soft-radius);
    border-left: 4px solid var(--basil-green);
}

.compliance-item h4 {
    color: var(--basil-green);
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.compliance-item ul {
    list-style: none;
    padding: 0;
}

.compliance-item li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.compliance-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--basil-green);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ========================================
   PROCESS SECTION
   ======================================== */
.process-section {
    background: rgba(144, 238, 144, 0.03);
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.timeline-item {
    background: var(--bg-secondary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.timeline-marker {
    background: var(--lemon-yellow);
    color: var(--bg-primary);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.3);
}

.timeline-content h3 {
    color: var(--fizzy-turquoise);
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.day-breakdown {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hour-block {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--soft-radius);
    border-left: 4px solid var(--playful-pink);
}

.hour-block h4 {
    color: var(--playful-pink);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.hour-block ul {
    list-style: none;
    padding: 0;
}

.hour-block li {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.hour-block li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--lemon-yellow);
    font-size: 0.8rem;
}

/* ========================================
   OUTCOMES SECTION
   ======================================== */
.outcomes-section {
    background: var(--bg-secondary);
}

.outcomes-content {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.achievement-item {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--card-radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--bounce-transition);
}

.achievement-item:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--fizzy-turquoise);
    box-shadow: var(--shadow-fizzy);
}

.achievement-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--lemon-yellow);
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.achievement-label {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.achievement-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.professional-impact {
    background: var(--bg-primary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.professional-impact h3 {
    color: var(--playful-pink);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.skills-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.skill-category {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: var(--soft-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-category h4 {
    color: var(--fizzy-turquoise);
    margin-bottom: 2rem;
    font-size: 1.4rem;
}

.skill-category ul {
    list-style: none;
    padding: 0;
}

.skill-category li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.skill-category li::before {
    content: '▲';
    position: absolute;
    left: 0;
    color: var(--basil-green);
    font-size: 0.8rem;
}

.real-world-application {
    background: var(--bg-primary);
    padding: 4rem;
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.real-world-application h3 {
    color: var(--basil-green);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.application-insights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.insight-item {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--soft-radius);
    border-left: 4px solid var(--fizzy-turquoise);
}

.insight-item h4 {
    color: var(--fizzy-turquoise);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.insight-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: var(--fizzy-gradient);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(144, 238, 144, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: white;
    margin-bottom: 2rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.cta-content p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-primary,
.cta-secondary {
    padding: 1.5rem 3rem;
    border-radius: var(--soft-radius);
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--bounce-transition);
    border: 2px solid transparent;
}

.cta-primary {
    background: white;
    color: var(--bg-primary);
    border-color: white;
}

.cta-primary:hover {
    background: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.cta-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-secondary:hover {
    background: white;
    color: var(--bg-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* ========================================
   BACK NAVIGATION
   ======================================== */
.case-study-back {
    text-align: center;
    margin-top: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    padding: 1.5rem 3rem;
    border: 2px solid var(--fizzy-turquoise);
    border-radius: var(--soft-radius);
    transition: var(--transition);
    background: rgba(64, 224, 208, 0.1);
    backdrop-filter: blur(10px);
}

.back-link:hover {
    background: var(--fizzy-turquoise);
    color: var(--bg-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-fizzy);
}

.back-arrow {
    font-size: 1.5rem;
    transition: var(--transition);
}

.back-link:hover .back-arrow {
    transform: translateX(-8px);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1200px) {
    .hero-content {
        gap: 4rem;
    }
    
    .logo-showcase,
    .wordmark-showcase {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .brand-rationale,
    .product-rationale {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .color-palette-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .project-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .challenge-breakdown {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .insights-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .positioning-framework {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .strategy-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .compliance-details {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .type-specs {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .color-swatches {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .skills-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .application-insights {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 3rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .detail-item {
        padding: 1.5rem;
    }

    .challenge-item,
    .insight-card,
    .achievement-item {
        padding: 2rem;
    }

    .insights-grid {
        grid-template-columns: 1fr;
    }

    .color-swatches {
        grid-template-columns: 1fr;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .achievement-number {
        font-size: 3rem;
    }

    .cta-content h2 {
        font-size: 2.5rem;
    }

    .cta-content p {
        font-size: 1.1rem;
    }

    .cta-primary,
    .cta-secondary {
        padding: 1.2rem 2rem;
        font-size: 1rem;
    }
}

/* ========================================
   ACCESSIBILITY & FOCUS STATES
   ======================================== */
:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
}

.challenge-item:focus-within,
.insight-card:focus-within,
.achievement-item:focus-within,
.strategy-item:focus-within,
.compliance-item:focus-within {
    transform: translateY(-5px);
    box-shadow: var(--shadow-fizzy);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .case-study-hero {
        background: var(--fizzy-gradient);
    }
    
    .hero-product {
        animation: none;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .case-study-hero {
        background: white;
        color: black;
        min-height: auto;
        padding: 2rem 0;
    }
    
    .case-study-hero::before,
    .cta-section::before {
        display: none;
    }
    
    .hero-text h1 {
        color: black !important;
        text-shadow: none;
    }
    
    .section {
        padding: 2rem 0;
        break-inside: avoid;
    }
    
    .challenge-item,
    .insight-card,
    .achievement-item {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-gradient-fizzy {
    background: var(--fizzy-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-energy {
    background: var(--energy-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-fizzy {
    background: var(--fizzy-gradient);
}

.bg-gradient-energy {
    background: var(--energy-gradient);
}

.shadow-fizzy {
    box-shadow: var(--shadow-fizzy);
}

.shadow-pink {
    box-shadow: var(--shadow-pink);
}

.border-radius-card {
    border-radius: var(--card-radius);
}

.border-radius-soft {
    border-radius: var(--soft-radius);
}

.transition-bounce {
    transition: var(--bounce-transition);
}

/* ========================================
   CUSTOM SCROLLBAR
   ======================================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--fizzy-gradient);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--hover-turquoise), var(--hover-pink));
}

/* ========================================
   SELECTION STYLES
   ======================================== */
::selection {
    background: var(--fizzy-turquoise);
    color: white;
}

::-moz-selection {
    background: var(--fizzy-turquoise);
    color: white;
}