/* ========================================
   三峽老年康養 - CSS Style Sheet
   設計理念：舒適養老、大字體高對比度
   ======================================== */

/* CSS Variables */
:root {
    /* Color Palette */
    --color-primary: #A67B5B;
    --color-primary-dark: #8B6549;
    --color-primary-light: #C9A882;
    --color-secondary: #90EE90;
    --color-secondary-dark: #6BCB6B;
    --color-white: #FFFFFF;
    --color-background: #FDF8F3;
    --color-text: #3D3D3D;
    --color-text-light: #5A5A5A;
    --color-border: #E0D5C9;

    /* Typography */
    --font-heading: 'Ma Shan Zheng', 'Noto Sans TC', cursive;
    --font-body: 'Noto Sans TC', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(166, 123, 91, 0.1);
    --shadow-md: 0 4px 16px rgba(166, 123, 91, 0.15);
    --shadow-lg: 0 8px 32px rgba(166, 123, 91, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 18px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.8;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.4;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.3rem; }

p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* ========================================
   Header
   ======================================== */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-primary);
    font-family: var(--font-heading);
}

.logo-img {
    width: 50px;
    height: 50px;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
}

/* Navigation */
.nav-list {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
}

.nav-list a {
    font-size: 1.15rem;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background-color 0.3s ease;
}

.nav-list a:hover {
    background-color: var(--color-background);
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #C9A882 0%, #A67B5B 50%, #8B6549 100%);
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="40" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="60" r="35" fill="rgba(255,255,255,0.03)"/></svg>');
    background-size: 200px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
}

.hero-title {
    font-size: 3.2rem;
    margin-bottom: var(--space-lg);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
    font-weight: 500;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-size: 1.2rem;
    font-weight: 600;
    font-family: var(--font-body);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-text);
}

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

.btn-secondary:hover {
    background-color: var(--color-background);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.3rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--space-xxl) 0;
}

.section-title {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.2rem;
    margin-bottom: var(--space-xl);
}

/* ========================================
   Accessibility Section
   ======================================== */
.accessibility-section {
    background-color: var(--color-white);
}

.accessibility-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.accessibility-card {
    background-color: var(--color-background);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.accessibility-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-md);
}

.accessibility-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.5rem;
}

.accessibility-card p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* ========================================
   Packages Section
   ======================================== */
.packages-section {
    background-color: var(--color-background);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.package-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.package-card.featured {
    border: 3px solid var(--color-secondary);
    transform: scale(1.02);
}

.package-card.featured:hover {
    transform: scale(1.02) translateY(-5px);
}

.package-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-secondary);
    color: var(--color-text);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
}

.package-name {
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    margin-top: var(--space-sm);
}

.package-price {
    margin-bottom: var(--space-md);
}

.package-price .price {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.package-price .unit {
    font-size: 1rem;
    color: var(--color-text-light);
}

.package-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--space-lg);
}

.package-features li {
    padding: var(--space-xs) 0;
    padding-left: var(--space-lg);
    position: relative;
    font-size: 1.1rem;
}

.package-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-secondary-dark);
    font-weight: 700;
}

/* ========================================
   Medical Section
   ======================================== */
.medical-section {
    background-color: var(--color-white);
}

.medical-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.medical-card {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s ease;
}

.medical-card:hover {
    transform: translateY(-3px);
}

.medical-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.medical-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
}

.medical-card p {
    color: var(--color-text-light);
    font-size: 1.05rem;
}

/* ========================================
   Activities Section
   ======================================== */
.activities-section {
    background-color: var(--color-background);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.activity-card {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.activity-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.activity-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-md);
}

.activity-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
}

.activity-card p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* ========================================
   Reviews Section
   ======================================== */
.reviews-section {
    background-color: var(--color-white);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.review-card {
    background-color: var(--color-background);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.review-stars {
    color: #FFB800;
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.review-text {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.review-author {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    background-color: var(--color-background);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.contact-item p {
    font-size: 1.15rem;
    margin: 0;
}

/* Form Styles */
.contact-form {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm);
    font-size: 1.1rem;
    font-family: var(--font-body);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    transition: border-color 0.3s ease;
}

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

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-xxl) 0 var(--space-lg);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-column h4 {
    font-size: 1.3rem;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--space-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    font-size: 1rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    html {
        font-size: 16px;
    }

    .accessibility-grid,
    .medical-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .packages-grid,
    .activities-grid,
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        padding: var(--space-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }

    .nav.active {
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2.4rem;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .accessibility-grid,
    .medical-grid,
    .packages-grid,
    .activities-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .package-card.featured {
        transform: none;
    }

    .package-card.featured:hover {
        transform: translateY(-5px);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-info {
        order: 2;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .hero-title {
        font-size: 2rem;
    }

    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }

    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 1.1rem;
    }

    .btn-large {
        padding: var(--space-sm) var(--space-lg);
        font-size: 1.15rem;
    }

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

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeInUp 0.6s ease-out;
}

/* Accessibility Focus States */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--color-secondary-dark);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-text: #000000;
        --color-text-light: #333333;
        --color-border: #666666;
    }
}

/* ========================================
   Article Page Styles (文章頁面樣式)
   ======================================== */

.article-main {
    padding: 120px 0 80px;
    min-height: 100vh;
    background: linear-gradient(180deg, #FFFFFF 0%, #F5F5F0 100%);
}

.article {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.article h1 {
    font-family: 'Justice', 'Noto Sans TC', sans-serif;
    font-size: 36px;
    color: #5A4A3A;
    margin-bottom: 24px;
    line-height: 1.5;
    text-align: center;
}

.article-meta {
    text-align: center;
    color: #8A7A6A;
    font-size: 16px;
    padding: 16px 0 32px;
    border-bottom: 2px solid #A67B5B;
    margin-bottom: 40px;
}

.article-content {
    background: #FFFFFF;
    padding: 48px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(166, 123, 91, 0.15);
    border: 1px solid #A67B5B;
}

.article-content h2 {
    font-family: 'Justice', 'Noto Sans TC', sans-serif;
    font-size: 26px;
    color: #5A4A3A;
    margin: 48px 0 24px;
    padding-bottom: 8px;
    border-bottom: 2px solid #90EE90;
}

.article-content h3 {
    font-family: 'Justice', 'Noto Sans TC', sans-serif;
    font-size: 22px;
    color: #A67B5B;
    margin: 32px 0 16px;
}

.article-content p {
    font-size: 18px;
    line-height: 2;
    color: #4A4A4A;
    margin-bottom: 20px;
}

.article-content a {
    color: #A67B5B;
    text-decoration: underline;
    font-size: 18px;
}

.article-content ul,
.article-content ol {
    margin: 24px 0;
    padding-left: 32px;
}

.article-content li {
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 18px;
}

.article-image {
    margin: 40px 0;
    text-align: center;
}

.article-image img {
    max-width: 100%;
    border-radius: 12px;
    border: 3px solid #A67B5B;
}

.article-image figcaption {
    margin-top: 16px;
    font-size: 16px;
    color: #8A7A6A;
}

.related-articles {
    margin-top: 56px;
    padding: 40px;
    background: linear-gradient(135deg, #F5F5F0 0%, #FFFFFF 100%);
    border-radius: 16px;
    border: 2px solid #A67B5B;
}

.related-articles h3 {
    font-family: 'Justice', 'Noto Sans TC', sans-serif;
    font-size: 24px;
    color: #5A4A3A;
    margin-bottom: 24px;
    text-align: center;
}

.related-articles ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.related-articles li {
    margin: 0;
}

.related-articles a {
    display: block;
    padding: 20px 24px;
    background: #FFFFFF;
    border: 2px solid #A67B5B;
    border-radius: 12px;
    color: #5A4A3A;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
}

.related-articles a:hover {
    background: #A67B5B;
    color: #FFFFFF;
}

/* Responsive */
@media (max-width: 768px) {
    .article h1 {
        font-size: 28px;
    }

    .article-content {
        padding: 32px 24px;
    }

    .article-content p,
    .article-content li {
        font-size: 16px;
    }
}

/* ========================================
   All Articles Section
   ======================================== */
.all-articles {
    padding: 100px 0;
    background: var(--color-white);
}

.all-articles .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.all-articles .section-header {
    text-align: center;
    margin-bottom: 48px;
}

.all-articles .section-tag {
    display: inline-block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    padding: 8px 20px;
    background: var(--color-background);
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border);
}

.all-articles .section-title {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.all-articles .section-desc {
    font-size: 1.3rem;
    color: var(--color-text-light);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.article-link {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    background: var(--color-background);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--color-border);
}

.article-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
    background: var(--color-white);
}

.article-num {
    font-size: 36px;
    font-weight: 700;
    opacity: 0.2;
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.article-title {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.5;
}