/*
 * MODERN REDESIGN - Kadence-Inspired
 * Complete visual transformation with modern patterns
 * Version: 2.0 (Real Redesign)
 */

/* ========================================
   MODERN CSS VARIABLES
======================================== */
:root {
    /* Modern Color Palette */
    --color-primary: #0073E6;           /* Vibrant Blue */
    --color-primary-dark: #0056B3;
    --color-primary-light: #3399FF;
    
    --color-secondary: #1A2B3C;         /* Dark Navy */
    --color-secondary-light: #2D3E4F;
    
    --color-accent: #FF6B35;            /* Warm Orange */
    --color-accent-light: #FF8C61;
    
    --color-success: #10B981;
    --color-warning: #F59E0B;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-600: #4B5563;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Modern Type Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;           /* 32px */
    --text-4xl: 2.5rem;         /* 40px */
    --text-5xl: 3rem;           /* 48px */
    --text-6xl: 3.75rem;        /* 60px */
    --text-7xl: 4.5rem;         /* 72px */
    
    /* Spacing */
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Modern 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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(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;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* ========================================
   BASE STYLES
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-white);
}

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

/* ========================================
   MODERN HEADER
======================================== */
.site-header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
}

.header-logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.logo-tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-weight: 500;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.header-link {
    color: var(--color-gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

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

.header-phone {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-lg);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: color var(--transition-base);
}

.header-phone:hover {
    color: var(--color-primary-dark);
}

/* ========================================
   MODERN BUTTONS
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: var(--text-base);
    line-height: 1;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline-light:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: var(--text-lg);
}

.btn-header {
    padding: 0.625rem 1.5rem;
    font-size: var(--text-sm);
}

/* ========================================
   MODERN HERO SECTION
======================================== */
.hero {
    background: linear-gradient(135deg, #0073E6 0%, #0056B3 100%);
    color: var(--color-white);
    padding: var(--space-24) 0;
    position: relative;
    overflow: hidden;
}

.hero::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;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.highlight {
    background: linear-gradient(135deg, #FFD700 0%, #FF6B35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-tagline {
    font-size: var(--text-2xl);
    font-weight: 500;
    margin-bottom: var(--space-8);
    opacity: 0.95;
    line-height: 1.4;
}

.hero-cta-group {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}

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

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: 500;
}

.trust-item i {
    color: #10B981;
}

/* ========================================
   MODERN CARD LAYOUTS
======================================== */
.section {
    padding: var(--space-24) 0;
}

.section-dark {
    background: var(--color-secondary);
    color: var(--color-white);
}

.section-gray {
    background: var(--color-gray-50);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    color: inherit;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
    line-height: 1.6;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-100);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    color: var(--color-white);
    font-size: var(--text-3xl);
}

.card-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--color-gray-900);
}

.card-description {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.card-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: gap var(--transition-base);
}

.card-link:hover {
    gap: var(--space-3);
}

/* ========================================
   DOCTOR PROFILE CARDS
======================================== */
.doctor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.doctor-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.doctor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.doctor-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-300) 100%);
}

.doctor-info {
    padding: var(--space-8);
}

.doctor-name {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--color-gray-900);
}

.doctor-title {
    font-size: var(--text-lg);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.doctor-bio {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

.doctor-specialties {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.specialty-tag {
    background: var(--color-gray-100);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

/* ========================================
   TESTIMONIAL CARDS
======================================== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    position: relative;
}

.testimonial-stars {
    color: #FFD700;
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.testimonial-text {
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: var(--text-lg);
}

.author-info {
    flex: 1;
}

.author-name {
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 2px;
}

.author-meta {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* ========================================
   CTA SECTION
======================================== */
.cta-section {
    background: linear-gradient(135deg, #0073E6 0%, #0056B3 100%);
    color: var(--color-white);
    padding: var(--space-24) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.cta-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.cta-text {
    font-size: var(--text-xl);
    margin-bottom: var(--space-8);
    opacity: 0.95;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-section h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

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

.footer-section a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-8);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-tagline {
        font-size: var(--text-lg);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .card-grid,
    .doctor-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .header-contact {
        flex-direction: column;
        align-items: flex-end;
        gap: var(--space-3);
    }
    
    .hero-cta-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Smooth animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}