/* PharmaChain AI - Liquid Glass Design System */

:root {
    --primary-color: #0EA5E9;
    --primary-dark: #0284C7;
    --secondary-color: #8B5CF6;
    --accent-color: #10B981;
    --danger-color: #EF4444;
    
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    
    --border-radius-2xl: 1.5rem;
    --border-radius-full: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

.logo:hover {
    transform: translateY(-2px);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: var(--border-radius-full);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--border-radius-full);
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-2xl);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

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

/* Glass Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-2xl);
    padding: 2rem;
    transition: var(--transition);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px var(--glass-shadow);
}

.glass-card.large {
    padding: 3rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    position: relative;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #F8FAFC, #CBD5E1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-visual {
    z-index: 1;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: var(--border-radius-full);
    animation: pulse 2s ease-in-out infinite;
}

.status-success {
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.metric-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

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

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-2xl);
    padding: 2rem;
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--glass-shadow);
}

.feature-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: var(--border-radius-2xl);
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-list li::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: 700;
}

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

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.benefit-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    color: white;
    border-radius: var(--border-radius-full);
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-item h4 {
    margin-bottom: 0.25rem;
}

.benefit-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.highlight-item {
    margin-bottom: 1.5rem;
}

.highlight-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-full);
    transition: width 1s ease-out;
}

.highlight-value {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
}

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

.cta-card {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-2xl);
    padding: 4rem;
    text-align: center;
}

.cta-card h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-card p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Page Header */
.page-header {
    padding: 10rem 0 4rem;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Solution Detail */
.solution-detail {
    padding: 3rem 0;
}

/* About Content */
.about-content {
    padding: 4rem 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0 6rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-2xl);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: var(--border-radius-2xl);
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.hours-item span:first-child {
    color: var(--text-secondary);
}

.hours-item span:last-child {
    font-weight: 600;
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    margin-top: 6rem;
}

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

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-full);
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-heading {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container,
    .benefits-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}