/* Premium CaseHero Landing Page Styles */

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

:root {
    /* Premium Color Palette */
    --primary-50: #f0f4ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success-500: #10b981;
    --warning-500: #f59e0b;
    --error-500: #ef4444;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Typography */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

/* Quick Exit Button */
.quick-exit-btn {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--error-500);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.quick-exit-btn:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-xl);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 100;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--gray-900);
}

.brand-icon {
    color: var(--primary-600);
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-600);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link-secondary {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link-secondary:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-container {
        padding: 0 var(--space-4);
    }
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary-large {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.btn-primary-large:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary-large {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: white;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.btn-secondary-large:hover {
    background: var(--gray-50);
    border-color: var(--primary-300);
    color: var(--primary-700);
    transform: translateY(-1px);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-10);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-fast);
}

.btn-cta:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--gray-50) 50%, var(--primary-100) 100%);
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
    padding: var(--space-20) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-700);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 400;
    color: var(--gray-600);
    line-height: 1.4;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--space-10);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-6);
    justify-content: center;
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.hero-trust-indicators {
    display: flex;
    gap: var(--space-8);
    justify-content: center;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.trust-item svg {
    color: var(--success-500);
}

@media (max-width: 768px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-trust-indicators {
        flex-direction: column;
        gap: var(--space-4);
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.section-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: var(--space-24) 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-6);
    color: var(--primary-600);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Safety Section */
.safety {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--gray-50) 100%);
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-10);
}

.safety-card {
    background: white;
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.safety-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.safety-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-6);
    color: white;
}

.safety-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.safety-description {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 1.125rem;
}

/* Use Cases Section */
.use-cases {
    padding: var(--space-24) 0;
    background: white;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.use-case-card {
    padding: var(--space-6);
    border-left: 4px solid var(--primary-500);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.use-case-card:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.use-case-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-100);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    color: var(--primary-600);
}

.use-case-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.use-case-description {
    color: var(--gray-600);
    line-height: 1.5;
}

/* Support Section */
.support {
    padding: var(--space-20) 0;
    background: var(--gray-900);
    color: white;
}

.support-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-12);
}

.support-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-6);
    color: white;
}

.support-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.support-link {
    display: block;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: white;
    transition: all var(--transition-fast);
}

.support-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-400);
    transform: translateY(-1px);
}

.support-link-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.support-description {
    font-size: 0.875rem;
    color: var(--gray-300);
}

/* CTA Section */
.cta {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    color: white;
    text-align: center;
}

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

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-8);
    opacity: 0.9;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-logo span {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-description {
    color: var(--gray-300);
    line-height: 1.6;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: white;
}

.footer-column a {
    display: block;
    color: var(--gray-300);
    text-decoration: none;
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--space-8);
    text-align: center;
    color: var(--gray-400);
}

.footer-disclaimer {
    margin-top: var(--space-4);
    font-size: 0.875rem;
    color: var(--warning-500);
    font-weight: 500;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .support-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

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

.hero-content > * {
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero-badge { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-description { animation-delay: 0.3s; }
.hero-actions { animation-delay: 0.4s; }
.hero-trust-indicators { animation-delay: 0.5s; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for accessibility */
button:focus,
a:focus,
input:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
}