/* 
 * MECHAM CHIROPRACTIC - PREMIUM DARK MODE DESIGN SYSTEM 
 * Pure CSS | No Frameworks | SEO Optimized
 */

:root {
    /* Color Palette */
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --accent-primary: #3b82f6;
    /* Electric Blue */
    --accent-secondary: #10b981;
    /* Emerald Green */
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --text-muted: #525252;
    --border-color: #262626;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-primary), #2563eb);
    --gradient-secondary: linear-gradient(135deg, var(--accent-secondary), #059669);
    --gradient-dark: linear-gradient(to bottom, transparent, var(--bg-primary));

    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;

    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    /* Moved here for canvas bg visibility */
}

body {
    color: var(--text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: transparent;
    /* Allows transparency for canvas behind */
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    max-width: 70ch;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.text-center p {
    margin-left: auto;
    margin-right: auto;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

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

/* Components */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.btn-cta {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    height: var(--header-height);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

/* Text styles removed as we are using image */
/* .logo span { color: var(--accent-primary); } */

.nav-links {
    display: flex;
    gap: 1.1rem;
    align-items: center;
}

.nav-link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--bg-tertiary);
    position: relative;
    white-space: nowrap;
}

.navbar .btn {
    padding: 0.85rem 1.35rem;
    font-size: 0.8rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 240px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    border-radius: 8px;
    padding: 0.5rem 0;
    top: 100%;
    left: 0;
    border: 1px solid var(--border-color);
    flex-direction: column;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown:hover .dropdown-menu {
    display: flex;
}

.dropdown-item {
    color: var(--bg-tertiary);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background-color: rgba(59, 130, 246, 0.05);
    /* Very light blue tint */
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    overflow: hidden;
}

/* Hero Video Styles */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(5, 5, 5, 0.5), rgba(5, 5, 5, 0.85));
    z-index: 1;
}

.hero::before {
    display: none;
}

.hero-content {
    max-width: 800px;
    animation: fadeUp 1s ease-out;
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-subtitle {
    color: var(--accent-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.hero p {
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-row {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-row .btn {
    min-width: 200px;
}

.service-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--bg-secondary);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(5, 5, 5, 0.4), rgba(5, 5, 5, 0.7));
    z-index: 1;
}

.service-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.service-hero .container {
    position: relative;
    z-index: 2;
}

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0;
    border-radius: 12px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card-img img {
    transform: scale(1.08);
}

.service-card-body {
    padding: var(--spacing-md);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
}

.service-link {
    display: inline-flex;
    align-items: center;
    margin-top: var(--spacing-sm);
    color: var(--accent-primary);
    font-weight: 600;
}

.service-link::after {
    content: '→';
    margin-left: 8px;
    transition: transform var(--transition-fast);
}

.service-link:hover::after {
    transform: translateX(4px);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

/* Service Page Specific Layout */
.service-page-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.85fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.content-block {
    min-width: 0;
}

.content-block>*:first-child {
    margin-top: 0;
}

.content-block h2,
.content-block h3,
.content-block h4,
.content-block p,
.content-block ul,
.content-block ol,
.content-block .btn,
.content-block hr,
.content-block div {
    max-width: 100%;
}

.content-block ul,
.content-block ol {
    margin-bottom: 2rem;
}

.content-block li+li {
    margin-top: 0.6rem;
}

@media (max-width: 900px) {
    .service-page-grid {
        grid-template-columns: 1fr;
    }

    .article-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        top: auto;
    }
}

.about-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.sidebar {
    background: transparent;
    padding: 2rem;
    border-radius: 12px;
    border: none;
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    max-height: calc(100vh - var(--header-height) - 3rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    width: 100%;
    align-self: start;
}

.sidebar-cta {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: grid;
    gap: 0.85rem;
}

.sidebar-cta h3 {
    margin-bottom: 0;
}

.sidebar-cta p {
    margin-bottom: 0;
}

.contact-booking-card {
    width: 100%;
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.contact-booking-card iframe {
    width: 100%;
    border: none;
    display: block;
}

.booking-panel {
    padding: 1.5rem;
}

.booking-panel-top {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.booking-panel-bottom {
    background: #ffffff;
}

.stat-item h3 {
    color: var(--accent-primary);
    font-size: 2.5rem;
    margin-bottom: 0;
}

/* Testimonials */
.testimonials {
    background: var(--bg-secondary);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stars {
    color: #fbbf24;
    margin-bottom: var(--spacing-xs);
}

.eyebrow {
    display: inline-block;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.blog-card,
.topic-card,
.article-toc,
.inline-cta {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    overflow: hidden;
}

.blog-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.blog-card:hover,
.topic-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.45);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.blog-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.blog-hub-cta {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

.blog-hub-button {
    min-width: 240px;
    text-align: center;
}

.blog-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 1.5rem;
}

.post-meta {
    margin-bottom: 0.9rem;
    color: var(--accent-secondary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.blog-card-body p,
.topic-card p,
.article-toc p,
.inline-cta p {
    max-width: none;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.topic-card {
    padding: 1.5rem;
}

.article-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.9fr) minmax(280px, 0.8fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.article-lead {
    font-size: 1.1rem;
    color: #d1d5db;
}

.article-toc,
.inline-cta {
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.article-toc ul {
    list-style: disc;
    padding-left: 1.25rem;
    color: var(--text-secondary);
}

.article-toc li,
.content-block li {
    max-width: 100%;
}

.blog-sidebar-card {
    margin-bottom: 1.5rem;
}

.blog-sidebar-card:last-child {
    margin-bottom: 0;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    gap: var(--spacing-sm);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-sm);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    user-select: none;
}

.faq-answer {
    padding: 0 var(--spacing-sm);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    color: var(--text-secondary);
}

/* CSS Only Accordion logic using Checkbox hack if needed, or simple hover/focus
   For simplicity and "No JS", focus-within or :target can work. 
   Here using details/summary for semantics + simple styling 
*/
details.faq-item summary {
    list-style: none;
    outline: none;
}

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

details.faq-item[open] .faq-answer {
    padding-bottom: var(--spacing-sm);
    max-height: 500px;
}

details.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-primary);
}

details.faq-item[open] summary::after {
    content: '-';
}

/* Footer */
footer {
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    padding: var(--spacing-lg) 0 var(--spacing-md);
    color: #333333;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr) minmax(0, 0.9fr) minmax(300px, 1.3fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    margin-top: var(--spacing-sm);
}

.footer-header {
    color: #111111;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links li {
    margin-bottom: 0.8rem;
    color: #555555;
}

.footer-contact-label {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #6b7280;
}

.footer-address-link {
    display: inline-block;
    margin-top: 0.15rem;
    line-height: 1.6;
    font-style: normal;
    font-weight: 600;
    color: inherit;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid #e5e7eb;
    color: #999999;
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .hero-video {
        display: none;
    }

    .hero {
        background: radial-gradient(circle at 50% 30%, rgba(59, 130, 246, 0.16) 0%, rgba(5, 5, 5, 0.98) 58%);
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
        width: 100%;
    }

    /* Mobile Menu Hack - Using Checkbox */
    #mobile-menu-toggle {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 46px;
        height: 46px;
        border: 1px solid rgba(17, 17, 17, 0.12);
        border-radius: 12px;
        color: var(--bg-tertiary);
        font-size: 1.4rem;
        line-height: 1;
        cursor: pointer;
        background: rgba(255, 255, 255, 0.92);
        box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    }

    /* When checked */
    #mobile-menu-toggle:checked~.nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        padding: 0.85rem 1rem 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 20px 32px rgba(15, 23, 42, 0.12);
        gap: 0.2rem;
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .nav-links>li {
        width: 100%;
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    }

    .nav-links>li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 0.95rem 0;
        font-size: 0.98rem;
    }

    .nav-link::after {
        content: none !important;
        display: none !important;
    }

    .nav-links .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
        margin-top: 0.5rem;
    }

    .hero-content {
        text-align: center;
    }

    .blog-grid,
    .topic-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    .cta-row {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-row .btn {
        min-width: 0;
        width: 100%;
        text-align: center;
    }

    .about-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Mobile Dropdown Overrides */
@media (max-width: 768px) {
    .dropdown {
        display: block;
        height: auto;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0 0 0.35rem 0.9rem;
        display: none;
        animation: none;
        width: 100%;
        min-width: 0;
    }

    .dropdown-item {
        padding: 0.7rem 0;
        color: #4b5563;
        font-size: 0.9rem;
        border-left: none;
    }

    .dropdown.open .dropdown-menu {
        display: flex;
        flex-direction: column;
    }

    .nav-dropdown-toggle::after,
    .nav-dropdown-toggle::before {
        content: none !important;
        display: none !important;
    }
}