/* ============================================================
   PARNELL WELLNESS — BARIWIKI
   Complete Stylesheet — SEO & Performance Optimized
   ============================================================ */

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    /* Colors */
    --color-primary: #0E7C7B;
    --color-primary-dark: #095E5D;
    --color-primary-light: #12A5A3;
    --color-secondary: #17255A;
    --color-accent: #F0A500;
    --color-success: #2D936C;
    --color-warning: #E8871E;
    --color-danger: #C1292E;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;

    --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: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Borders & Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Layout */
    --max-width: 1200px;
    --header-height: 72px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--color-gray-900);
    line-height: 1.3;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-4xl); font-weight: 700; }
h2 { font-size: var(--text-3xl); font-weight: 700; }
h3 { font-size: var(--text-xl); font-weight: 600; }
h4 { font-size: var(--text-lg); font-weight: 600; }

p {
    margin-bottom: var(--space-4);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.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;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 10000;
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
    color: var(--color-white);
    text-decoration: none;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-8);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.5;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-gray-900);
    flex-shrink: 0;
}

.logo:hover,
.logo:focus {
    text-decoration: none;
    color: var(--color-gray-900);
}

.logo-icon {
    font-size: var(--text-3xl);
    color: var(--color-primary);
    line-height: 1;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-primary {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-secondary);
}

.logo-secondary {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    font-weight: 400;
    line-height: 1;
}

/* Navigation */
.nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-1);
}

.nav-link {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-primary);
    background-color: var(--color-gray-50);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(14, 124, 123, 0.08);
    font-weight: 600;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-dark) 50%, var(--color-primary) 100%);
    color: var(--color-white);
    padding: var(--space-24) 0 var(--space-20);
    text-align: center;
}

.hero-title {
    font-size: var(--text-5xl);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 650px;
    margin: 0 auto var(--space-10);
    line-height: 1.8;
}

/* Search Bar */
.hero-search {
    max-width: 640px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.search-input {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    border: none;
    outline: none;
    color: var(--color-gray-800);
    min-width: 0;
}

.search-input::placeholder {
    color: var(--color-gray-400);
}

.search-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}

.search-btn:hover,
.search-btn:focus {
    background-color: var(--color-primary-dark);
}

/* Page Hero (Small) */
.page-hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-12);
    text-align: center;
}

.page-hero-small {
    padding: var(--space-12) 0 var(--space-10);
}

.page-hero h1 {
    color: var(--color-white);
    font-size: var(--text-4xl);
    margin-bottom: var(--space-3);
}

.page-hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section-title {
    text-align: center;
    margin-bottom: var(--space-3);
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

/* ============================================================
   CATEGORIES GRID
   ============================================================ */
.categories-section {
    padding: var(--space-20) 0;
    background-color: var(--color-gray-50);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.category-card {
    display: block;
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    text-decoration: none;
    color: var(--color-gray-800);
    transition: all var(--transition-base);
}

.category-card:hover,
.category-card:focus {
    text-decoration: none;
    color: var(--color-gray-800);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background-color: rgba(14, 124, 123, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.category-card h3 {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-gray-900);
}

.category-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section {
    padding: var(--space-20) 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--text-lg);
    line-height: 1.8;
    text-align: center;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-section {
    padding: var(--space-20) 0;
    background-color: var(--color-gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.faq-item[open] {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.faq-question {
    padding: var(--space-5) var(--space-6);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-left: var(--space-4);
    transition: transform var(--transition-base);
}

.faq-item[open] .faq-question::after {
    content: '−';
}

.faq-question h3 {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: 0;
    color: var(--color-gray-800);
}

.faq-answer {
    padding: 0 var(--space-6) var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.8;
}

.faq-answer p {
    margin-bottom: var(--space-3);
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* ============================================================
   RESOURCES PREVIEW
   ============================================================ */
.resources-preview {
    padding: var(--space-20) 0;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.resource-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.resource-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.resource-card h3 {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.resource-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
}

.card-link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.resources-cta {
    text-align: center;
}

/* ============================================================
   BROWSE PAGE
   ============================================================ */
.browse-page {
    padding: var(--space-12) 0 var(--space-20);
}

.browse-controls {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}
/* ============================================================
   RELATED/INTERNAL LINKS BLOCK
   ============================================================ */
.internal-links-block {
    margin-top: var(--space-16);
    padding-top: var(--space-12);
    border-top: 1px solid var(--color-gray-200);
}

.related-links h2 {
    text-align: center;
    margin-bottom: var(--space-2);
}

.related-links > p {
    text-align: center;
    color: var(--color-gray-500);
    margin-bottom: var(--space-8);
}

.related-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.related-link-card {
    display: block;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    text-decoration: none;
    color: var(--color-gray-800);
    transition: all var(--transition-base);
}

.related-link-card:hover,
.related-link-card:focus {
    text-decoration: none;
    color: var(--color-gray-800);
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.related-link-card h3 {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.related-link-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: 0;
    line-height: 1.6;
}

@media (max-width: 600px) {
    .related-links-grid {
        grid-template-columns: 1fr;
    }
}