/* ========================================
   James A Oldham, D.D.S. - Dental Practice
   Classic & Elegant Design System
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-midnight: #0a1628;
    --color-midnight-light: #1a2d4a;
    --color-mint: #a8d5ba;
    --color-mint-light: #d4efe1;
    --color-mint-dark: #7fb898;
    --color-cream: #f8f6f3;
    --color-cream-dark: #efebe6;
    --color-white: #ffffff;
    --color-text: #2c3e50;
    --color-text-light: #5a6c7d;
    --color-accent: #c9a227;
    
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --border-radius: 4px;
    --border-radius-lg: 8px;
    
    --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.12);
    --shadow-lg: 0 8px 40px rgba(10, 22, 40, 0.16);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-cream);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-midnight);
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.lead-text {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-mint);
    color: var(--color-midnight);
}

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

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

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

.btn-full {
    width: 100%;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(248, 246, 243, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(10, 22, 40, 0.08);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-main {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-midnight);
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-mint);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-nav {
    padding: 0.625rem 1.5rem;
    background-color: var(--color-midnight);
    color: var(--color-white) !important;
    border-radius: var(--border-radius);
    font-size: 0.8125rem;
}

.btn-nav::after {
    display: none;
}

.btn-nav:hover {
    background-color: var(--color-midnight-light);
    transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-midnight);
    transition: var(--transition);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-midnight);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.close-menu-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 2.5rem;
    color: var(--color-white);
    cursor: pointer;
    line-height: 1;
}

.mobile-menu-overlay ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-link {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-white);
}

.mobile-link:hover {
    color: var(--color-mint);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background-color: var(--color-cream);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    padding-right: var(--spacing-md);
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    margin-bottom: var(--spacing-sm);
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-midnight);
}

.accent-text {
    font-style: italic;
    color: var(--color-mint-dark);
}

.hero-subtext {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

.dot {
    color: var(--color-mint);
}

.hero-image-wrapper {
    position: relative;
}

.image-frame {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.image-frame img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.image-frame:hover img {
    transform: scale(1.03);
}

.hero-accent-box {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background-color: var(--color-midnight);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.accent-box-text {
    font-family: var(--font-serif);
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.accent-box-number {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-mint);
    line-height: 1;
}

/* --- About Section --- */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

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

.about-image-col {
    position: relative;
}

.about-image-col img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

.about-floating-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--color-mint);
    color: var(--color-midnight);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.125rem;
    max-width: 280px;
    box-shadow: var(--shadow-md);
}

.about-content-col {
    padding-left: var(--spacing-md);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.about-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9375rem;
    color: var(--color-text);
}

.about-features li::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-mint);
    border-radius: 50%;
    flex-shrink: 0;
}

.link-arrow {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-midnight);
    border-bottom: 1px solid var(--color-mint);
    padding-bottom: 2px;
}

.link-arrow:hover {
    color: var(--color-mint-dark);
    border-color: var(--color-mint-dark);
}

/* --- Services Section --- */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-cream);
}

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

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-mint-light);
}

.service-icon {
    width: 56px;
    height: 56px;
    background-color: var(--color-mint-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-midnight);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* --- New Patients Section --- */
.new-patients {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-midnight);
    color: var(--color-white);
}

.new-patients-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.new-patients .section-eyebrow {
    color: var(--color-mint);
}

.new-patients .section-title {
    color: var(--color-white);
}

.new-patients .lead-text {
    color: rgba(255, 255, 255, 0.7);
}

.new-patient-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-mint);
    line-height: 1;
    min-width: 60px;
}

.step h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 4px;
}

.step p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.new-patients-visual img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

/* --- Contact Section --- */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

.info-block h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.info-block p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.info-block a {
    color: var(--color-midnight);
}

.info-block a:hover {
    color: var(--color-mint-dark);
}

.contact-form-wrapper {
    background-color: var(--color-cream);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    border: 1px solid var(--color-cream-dark);
    border-radius: var(--border-radius);
    background-color: var(--color-white);
    color: var(--color-text);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-mint);
    box-shadow: 0 0 0 3px rgba(168, 213, 186, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-mint-light);
    color: var(--color-midnight);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 0.9375rem;
}

.form-success.show {
    display: block;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-midnight);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.footer-contact a:hover {
    color: var(--color-mint);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8125rem;
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .new-patients-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
    }
    
    .hero-subtext,
    .hero-actions {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-content-col {
        padding-left: 0;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: var(--spacing-lg);
    }
    
    .hero-headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-floating-card {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: var(--spacing-sm);
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-accent-box {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: var(--spacing-sm);
    }
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}