/* ==========================================================================
   CSS Variables & Foundation
   ========================================================================== */
   :root {
    /* Color Palette */
    --color-charcoal: #515151;
    --color-charcoal-dark: #3a3a3a;
    --color-charcoal-light: #737373;
    --color-ivory: #faf8f5;
    --color-ivory-dark: #f0ete8;
    --color-white: #ffffff;
    --color-gold: #c4972a;
    --color-gold-hover: #a88224;
    --color-gold-light: #f6efe1;
    --color-teal: #2a7c8c;
    --color-teal-dark: #1b525d;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    
    /* Effects & Spacing */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: 0.3s ease;
    
    /* Spacing */
    --section-padding: 80px 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-charcoal);
    background-color: var(--color-ivory);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-charcoal);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.25rem;
}

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

a:hover {
    color: var(--color-teal-dark);
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: var(--section-padding);
}

.bg-light {
    background-color: var(--color-white);
}

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

.text-white {
    color: var(--color-white);
}

.text-white p {
    color: rgba(255, 255, 255, 0.9);
}

.text-muted {
    color: var(--color-charcoal-light);
    font-size: 0.9em;
}

.text-success {
    color: #2e7d32;
}

.mb-3 {
    margin-bottom: 1rem;
}

.w-100 {
    width: 100%;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: var(--font-body);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    font-size: 14px;
    gap: 8px;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--color-charcoal);
    border-color: var(--color-charcoal);
}

.btn-outline:hover {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-teal);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
    padding: 5px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: height var(--transition);
}

.site-header.scrolled .header-container {
    height: 70px;
}

.logo-img {
    height: 40px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-list {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: var(--color-charcoal);
    font-weight: 600;
    font-size: 15px;
    position: relative;
    padding: 5px 0;
}

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

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

.nav-ctas {
    display: flex;
    gap: 15px;
    align-items: center;
}

.nav-phone {
    padding: 8px 16px;
    font-size: 13px;
}

.nav-book {
    padding: 8px 16px;
    font-size: 13px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-charcoal);
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding: 160px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-ivory) 0%, var(--color-gold-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--color-gold);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-charcoal-light);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    height: 600px;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-charcoal-light);
    font-family: var(--font-body);
    font-style: italic;
    border: 2px dashed #ccc;
}

/* ==========================================================================
   Credentials Bar
   ========================================================================== */
.credentials-bar {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: 30px 0;
}

.credentials-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.credential-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
}

.credential-item i {
    color: var(--color-gold);
    font-size: 18px;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 500px;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-gold);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-charcoal-light);
    margin-bottom: 3rem;
}

.about-text {
    font-size: 1.1rem;
    color: var(--color-charcoal-light);
    margin-bottom: 2rem;
}

.pull-quote {
    background-color: var(--color-white);
    padding: 30px;
    border-left: 4px solid var(--color-gold);
    box-shadow: var(--shadow-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--color-charcoal);
}

.quote-author {
    display: block;
    margin-top: 15px;
    font-family: var(--font-body);
    font-style: normal;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gold);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-ivory);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-white);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-gold-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-gold);
    font-size: 24px;
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--color-gold);
    color: var(--color-white);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-desc {
    color: var(--color-charcoal-light);
    margin: 0;
}

/* ==========================================================================
   Affordability Section
   ========================================================================== */
.affordability-section {
    background-color: var(--color-teal);
    position: relative;
    overflow: hidden;
}

.affordability-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.affordability-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.proof-points {
    margin-bottom: 2.5rem;
}

.proof-points li {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.proof-points i {
    color: var(--color-gold);
    font-size: 1.25rem;
}

/* ==========================================================================
   Education Section (Comparison)
   ========================================================================== */
.comparison-wrapper {
    display: flex;
    align-items: stretch;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
    overflow: hidden;
}

.comparison-column {
    flex: 1;
    padding: 50px;
}

.comparison-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    background-color: var(--color-gold-light);
    color: var(--color-gold);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    font-style: italic;
}

.prosthodontist {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

.prosthodontist .column-title {
    color: var(--color-gold);
}

.column-title {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
}

.comparison-list li {
    padding: 15px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.prosthodontist .comparison-list li {
    border-bottom-color: rgba(255,255,255,0.1);
}

.comparison-list li span {
    font-weight: 700;
    display: block;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
    opacity: 0.7;
}

.comparison-list li:last-child {
    border-bottom: none;
}

.stat-callout {
    text-align: center;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--color-teal);
}

/* ==========================================================================
   Gallery & Testimonials
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.gallery-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/3;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 40px 30px 20px;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.25rem;
}

.shades-note {
    margin-bottom: 50px;
    color: var(--color-charcoal-light);
}

.testimonials-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

@media (max-width: 1024px) {
    .testimonials-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.testimonial-card {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border-top: 4px solid var(--color-gold);
}

.stars {
    color: var(--color-gold);
    margin-bottom: 20px;
    font-size: 1.25rem;
}

.testimonial-quote {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--color-charcoal);
}

.testimonial-author strong {
    display: block;
    color: var(--color-teal);
}

.testimonial-author span {
    font-size: 0.9em;
    color: var(--color-charcoal-light);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.contact-info {
    padding: 50px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-ivory);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-teal);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-content h3 {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.info-content p {
    color: var(--color-charcoal-light);
    margin-bottom: 0;
}

.accessibility {
    margin-top: 10px;
    font-size: 0.9em;
    color: var(--color-teal) !important;
}

.contact-actions {
    margin-top: 40px;
}

.map-container {
    min-height: 400px;
}

/* ==========================================================================
   Featured Articles
   ========================================================================== */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 20px;
}

.article-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), transform var(--transition);
}

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

.article-icon {
    font-size: 1.8rem;
    color: var(--color-gold);
    margin-bottom: 18px;
}

.article-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-teal);
    margin-bottom: 10px;
}

.article-title {
    font-size: 1.15rem;
    margin-bottom: 12px;
    line-height: 1.35;
}

.article-excerpt {
    font-size: 0.95rem;
    color: var(--color-charcoal-light);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 20px;
}

.article-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-gold);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}

.article-link:hover {
    gap: 10px;
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--color-charcoal-dark);
    color: var(--color-white);
    padding: 80px 0 20px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
}

.footer-downtown-logo {
    height: 36px;
    margin-bottom: 20px;
    display: block;
}

.contact-downtown-logo {
    height: 48px;
    margin-bottom: 20px;
    display: block;
}

.tagline {
    color: var(--color-charcoal-light);
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.1rem;
}

.footer-heading {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-charcoal-light);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-charcoal-light);
    font-size: 0.9em;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-legal a {
    color: var(--color-charcoal-light);
}

.footer-legal a:hover {
    color: var(--color-gold);
}

.divider {
    margin: 0 10px;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translate(0, 0);
}

.fade-up {
    transform: translateY(40px);
}

.fade-right {
    transform: translateX(-40px);
}

.fade-left {
    transform: translateX(40px);
}

/* ==========================================================================
   Media Queries (Responsive)
   ========================================================================== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 992px) {
    .hero-container,
    .about-container,
    .affordability-container,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-image-wrapper {
        height: 400px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-wrapper {
        flex-direction: column;
    }
    
    .comparison-divider {
        width: 100%;
        height: 40px;
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-ivory);
        flex-direction: column;
        justify-content: center;
        transition: left var(--transition);
        padding: 40px 20px;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
        margin-bottom: 40px;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .nav-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-ctas .btn {
        width: 100%;
    }

    /* Layout Adjustments */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .credentials-grid {
        justify-content: center;
    }
    
    .services-grid,
    .gallery-grid,
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .gallery-card {
        aspect-ratio: auto;
        height: 300px;
    }
}