/* ============================================
   Christiana Care Health System — Stylesheet
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --plum-50: #fdf2f8;
    --plum-100: #fce7f3;
    --plum-200: #fbcfe8;
    --plum-300: #f9a8d4;
    --plum-400: #f472b6;
    --plum-500: #7B2D8B;
    --plum-600: #6b2478;
    --plum-700: #5a1d66;
    --plum-800: #4a1754;
    --plum-900: #3a1142;
    
    --amber-50: #fffbeb;
    --amber-100: #fef3c7;
    --amber-200: #fde68a;
    --amber-300: #fcd34d;
    --amber-400: #fbbf24;
    --amber-500: #C8A961;
    --amber-600: #b8943f;
    --amber-700: #92702e;
    
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-300: #d4d4d4;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    --neutral-950: #0a0a0a;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.05);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* --- Utility --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.25s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--plum-500);
    color: #fff;
    border-color: var(--plum-500);
}

.btn-primary:hover {
    background-color: var(--plum-600);
    border-color: var(--plum-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background-color: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

.btn-outline-light:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: #fff;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-full {
    width: 100%;
}

/* --- Section Headers --- */
.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--amber-600);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    color: var(--neutral-900);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--neutral-600);
    line-height: 1.7;
    max-width: 600px;
}

.section-header {
    margin-bottom: 56px;
}

.section-header.center {
    text-align: center;
}

.section-header.center .section-subtitle {
    margin: 0 auto;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255,255,255,0.97);
    border-bottom: 1px solid var(--neutral-200);
    transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 76px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--plum-700);
    letter-spacing: -0.01em;
}

.logo-light .logo-text {
    color: #fff;
}

.nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav ul {
    display: flex;
    gap: 8px;
}

.nav a {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--neutral-700);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav a:hover {
    color: var(--plum-600);
    background-color: var(--plum-50);
}

.nav-close {
    display: none;
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--neutral-700);
    padding: 4px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--neutral-700);
    padding: 4px;
}

/* --- Mobile Nav Overlay --- */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background-color: rgba(0,0,0,0.5);
}

.nav-overlay.active {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.nav-overlay-inner {
    width: 300px;
    max-width: 85vw;
    background-color: #fff;
    padding: 80px 32px 40px;
    box-shadow: var(--shadow-xl);
}

.nav-overlay ul {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-overlay .nav-link {
    display: block;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--neutral-700);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-overlay .nav-link:hover {
    background-color: var(--plum-50);
    color: var(--plum-600);
}

.nav-overlay-contact {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--neutral-200);
}

.nav-overlay-contact p {
    font-size: 14px;
    color: var(--neutral-600);
    margin-bottom: 4px;
}

.nav-overlay-contact .phone-link {
    display: inline-block;
    margin-top: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--plum-600);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding-top: 76px;
    background: linear-gradient(135deg, var(--plum-800) 0%, var(--plum-900) 100%);
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 64px 0;
}

.hero-content {
    color: #fff;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: rgba(200, 169, 97, 0.15);
    border: 1px solid rgba(200, 169, 97, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--amber-300);
    margin-bottom: 24px;
}

.hero-badge svg {
    color: var(--amber-400);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--amber-400);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background-color: rgba(255,255,255,0.2);
}

/* --- Hero Images --- */
.hero-image {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-image-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-accent {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 60%;
}

.hero-image-accent img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background-color: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    width: fit-content;
}

.hero-image-badge svg {
    color: var(--amber-400);
    flex-shrink: 0;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 96px 0;
    background-color: var(--neutral-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background-color: #fff;
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
    display: block;
}

.service-card:hover {
    border-color: var(--plum-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--plum-50);
    border-radius: var(--radius-md);
    color: var(--plum-600);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background-color: var(--plum-500);
    color: #fff;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 14px;
    color: var(--neutral-600);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--plum-600);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s ease;
}

.service-card:hover .service-link {
    gap: 8px;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 96px 0;
    background-color: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 16px;
}

.about-img-large {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-img-small {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-top: 40px;
}

.about-img-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text {
    font-size: 16px;
    color: var(--neutral-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    gap: 12px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-check {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--plum-50);
    border-radius: 50%;
    color: var(--plum-600);
    flex-shrink: 0;
}

.about-feature span {
    font-size: 15px;
    color: var(--neutral-700);
    font-weight: 500;
}

/* ============================================
   CARE APPROACH
   ============================================ */
.care-approach {
    padding: 96px 0;
    background-color: var(--plum-800);
    color: #fff;
}

.care-header {
    text-align: center;
    margin-bottom: 56px;
}

.care-header .section-tag {
    color: var(--amber-400);
}

.care-header .section-title {
    color: #fff;
}

.care-header .section-subtitle {
    color: rgba(255,255,255,0.7);
    margin: 0 auto;
}

.care-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.care-card {
    background-color: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all 0.3s ease;
}

.care-card:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: rgba(200, 169, 97, 0.4);
    transform: translateY(-4px);
}

.care-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 800;
    color: rgba(200, 169, 97, 0.3);
    line-height: 1;
    margin-bottom: 16px;
}

.care-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.care-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
}

/* ============================================
   LOCATIONS
   ============================================ */
.locations {
    padding: 96px 0;
    background-color: var(--neutral-50);
}

.locations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.location-card {
    background-color: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.location-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.location-image {
    height: 200px;
    overflow: hidden;
}

.location-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.location-card:hover .location-image img {
    transform: scale(1.05);
}

.location-info {
    padding: 24px;
}

.location-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 8px;
}

.location-address {
    font-size: 14px;
    color: var(--neutral-500);
    margin-bottom: 4px;
}

.location-phone {
    font-size: 14px;
    color: var(--neutral-500);
    margin-bottom: 12px;
}

.location-phone a {
    color: var(--plum-600);
    font-weight: 600;
}

.location-phone a:hover {
    text-decoration: underline;
}

.location-desc {
    font-size: 14px;
    color: var(--neutral-600);
    line-height: 1.7;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 96px 0;
    background-color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-text {
    font-size: 16px;
    color: var(--neutral-600);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--plum-50);
    border-radius: var(--radius-md);
    color: var(--plum-600);
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 2px;
}

.contact-detail p {
    font-size: 15px;
    color: var(--neutral-600);
}

.contact-detail a {
    color: var(--plum-600);
    font-weight: 600;
}

.contact-detail a:hover {
    text-decoration: underline;
}

/* --- Form --- */
.contact-form-col {
    background-color: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.contact-form h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 8px;
}

.form-note {
    font-size: 14px;
    color: var(--neutral-500);
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--neutral-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--neutral-800);
    background-color: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--plum-400);
    box-shadow: 0 0 0 3px rgba(123, 45, 139, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--neutral-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* --- Form Success --- */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--plum-50);
    border-radius: 50%;
    color: var(--plum-600);
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 8px;
}

.form-success p {
    font-size: 15px;
    color: var(--neutral-600);
    line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--neutral-950);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
    color: rgba(255,255,255,0.5);
}

.footer-links h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    margin-bottom: 16px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--amber-400);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.35);
}

/* ============================================
   SCROLL REVEAL (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid {
        gap: 32px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .care-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .locations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .locations-grid .location-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .nav {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-close {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .header-inner .btn {
        display: none;
    }
    
    .hero {
        min-height: auto;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        padding: 48px 0;
        gap: 40px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-image-accent {
        width: 50%;
    }
    
    .hero-stats {
        gap: 16px;
    }
    
    .stat-number {
        font-size: 22px;
    }
    
    .services {
        padding: 64px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about {
        padding: 64px 0;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-img-small {
        margin-top: 0;
    }
    
    .care-approach {
        padding: 64px 0;
    }
    
    .care-grid {
        grid-template-columns: 1fr;
    }
    
    .locations {
        padding: 64px 0;
    }
    
    .locations-grid {
        grid-template-columns: 1fr;
    }
    
    .locations-grid .location-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    
    .contact {
        padding: 64px 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer {
        padding: 48px 0 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .hero-image-accent {
        width: 60%;
    }
    
    .about-image-grid {
        grid-template-columns: 1fr;
    }
    
    .about-img-small {
        margin-top: 0;
    }
}