/* ========================================
   OBESITY CARE CLINIC - NHS S2 HUB
   Dégradé rose et blanc
======================================== */

:root {
    /* Pink gradient colors */
    --pink-light: #fce7f3;
    --pink-medium: #f9a8d4;
    --pink-dark: #ec4899;
    --pink-accent: #db2777;
    
    /* White and neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-900: #111827;
    
    /* Status colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ========================================
   RESET & BASE
======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: linear-gradient(135deg, var(--white) 0%, var(--pink-light) 50%, var(--white) 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

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

/* ========================================
   HEADER & NAVIGATION
======================================== */

.header {
    background: linear-gradient(to right, var(--white), var(--pink-light));
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--pink-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo img {
    height: 100px;
    width: 100px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
    object-fit: cover;
    display: block;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background: var(--pink-medium);
    color: var(--white);
    transform: translateY(-2px);
}

/* ========================================
   HERO SECTION
======================================== */

.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--pink-medium) 100%);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-xl);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 3rem;
    color: var(--pink-dark);
    margin-bottom: var(--spacing-sm);
}

.stat-card h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.stat-card p {
    color: var(--gray-600);
    font-size: 1rem;
}

/* ========================================
   SECTIONS
======================================== */

section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, var(--pink-medium), var(--pink-dark));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   PLATFORMS SECTION
======================================== */

.platforms-section {
    background: linear-gradient(to bottom, var(--white), var(--pink-light));
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.platform-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--pink-medium), var(--pink-dark));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.platform-card:hover::before {
    transform: scaleX(1);
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--pink-medium);
}

.platform-icon {
    font-size: 3rem;
    color: var(--pink-dark);
    margin-bottom: var(--spacing-md);
}

.platform-card h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.platform-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.platform-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--pink-medium), var(--pink-dark));
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ========================================
   GUIDE & CONTENT BOXES
======================================== */

.guide-section,
.documents-section,
.checklist-section,
.resources-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.content-box {
    background: linear-gradient(to right, var(--gray-50), var(--pink-light));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--pink-dark);
}

.content-box h3 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.content-box h3 i {
    color: var(--pink-dark);
}

/* ========================================
   REFERENCE LIST
======================================== */

.reference-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.reference-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.reference-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.reference-item i {
    color: var(--pink-dark);
    font-size: 1.25rem;
}

.reference-item a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    flex: 1;
    transition: color 0.3s ease;
}

.reference-item a:hover {
    color: var(--pink-dark);
}

/* ========================================
   ALERT BOXES
======================================== */

.alert-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
    background: linear-gradient(to right, #dbeafe, #e0e7ff);
    border-left: 4px solid var(--info);
}

.alert-box.danger {
    background: linear-gradient(to right, #fee2e2, #fecaca);
    border-left-color: var(--danger);
}

.alert-box i {
    font-size: 2rem;
    color: var(--info);
    flex-shrink: 0;
}

.alert-box.danger i {
    color: var(--danger);
}

.alert-box h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.alert-box p {
    color: var(--gray-700);
    margin: 0;
}

.avoid-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.avoid-list li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    font-weight: 500;
}

/* ========================================
   DOCUMENTS GRID
======================================== */

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.document-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
}

.document-card.required {
    border-color: var(--pink-medium);
}

.document-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--pink-dark);
}

.document-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.document-header i {
    font-size: 2rem;
    color: var(--pink-dark);
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-required {
    background: linear-gradient(135deg, var(--pink-medium), var(--pink-dark));
    color: var(--white);
}

.document-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.document-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.document-details {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.document-details li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--gray-700);
}

.document-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--pink-dark);
    font-weight: bold;
}

.document-note,
.document-warning {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
}

.document-note {
    background: #dbeafe;
    color: #1e40af;
}

.document-note.critical {
    background: #fef3c7;
    color: #92400e;
}

.document-warning {
    background: #fee2e2;
    color: #991b1b;
}

.document-note i,
.document-warning i {
    flex-shrink: 0;
    margin-top: 2px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--pink-medium), var(--pink-dark));
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: var(--spacing-md);
}

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

/* ========================================
   CHECKLIST
======================================== */

.checklist-box {
    background: linear-gradient(to bottom right, var(--white), var(--pink-light));
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--pink-medium);
}

.checklist-box h3 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checklist-box h3 i {
    color: var(--pink-dark);
}

.checklist-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.checklist-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.checklist-item input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--pink-dark);
}

.checklist-item span {
    font-size: 1rem;
    color: var(--gray-700);
    font-weight: 500;
}

.validation-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: #d1fae5;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--success);
}

.validation-note i {
    font-size: 2rem;
    color: var(--success);
}

.validation-note p {
    color: #065f46;
    margin: 0;
}

/* ========================================
   RESOURCES
======================================== */

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.resource-card {
    background: linear-gradient(to bottom, var(--white), var(--pink-light));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--pink-medium);
}

.resource-card i {
    font-size: 3rem;
    color: var(--pink-dark);
    margin-bottom: var(--spacing-md);
}

.resource-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.resource-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.resource-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--pink-dark);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.resource-link:hover {
    color: var(--pink-accent);
    transform: translateX(4px);
}

/* ========================================
   FOOTER
======================================== */

.footer {
    background: linear-gradient(to right, var(--gray-900), var(--gray-700));
    color: var(--white);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

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

.footer-logo {
    height: 80px;
    width: 80px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    object-fit: cover;
    display: block;
}

.footer-section h4 {
    color: var(--pink-medium);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a,
.footer-contact a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--pink-medium);
}

.footer-contact i {
    color: var(--pink-medium);
    margin-right: var(--spacing-xs);
}

.footer-bottom {
    border-top: 1px solid var(--gray-600);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--gray-300);
}

.footer-note {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--pink-medium);
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .nav {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .nav-link {
        font-size: 0.875rem;
        padding: var(--spacing-xs);
    }
    
    .platforms-grid,
    .documents-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .logo img {
        width: 80px;
        height: 80px;
    }
    
    .footer-logo {
        width: 70px;
        height: 70px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .platform-card,
    .document-card,
    .resource-card {
        padding: var(--spacing-md);
    }
}

/* ========================================
   ANIMATIONS
======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.platform-card,
.document-card,
.resource-card {
    animation: fadeIn 0.5s ease-out;
}

/* ========================================
   PRINT STYLES
======================================== */

@media print {
    .header,
    .footer,
    .nav {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .platform-card,
    .document-card {
        page-break-inside: avoid;
    }
}