/* 
 * Vivian Cheng, MD - Website Styles
 * Color Palette: Burgundy (#722F37), Blush (#F4E1E1), Cream (#F9F7F5), Charcoal (#2C2C2C)
 */

:root {
    --color-primary: #722F37; /* Burgundy */
    --color-primary-dark: #5A252C;
    --color-secondary: #F4E1E1; /* Blush */
    --color-secondary-light: #FDF8F8;
    --color-accent: #C9A87C; /* Muted Gold */
    --color-text: #2C2C2C; /* Charcoal */
    --color-text-light: #666666;
    --color-white: #FFFFFF;
    --color-cream: #F9F7F5;
    --color-border: #E8E0E0;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-white);
    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-heading);
    font-weight: 400;
    line-height: 1.3;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--color-primary);
}

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

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

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

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

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

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    transform: translateX(100%);
    transition: transform 0.4s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

.close-menu-btn {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    font-size: 2.5rem;
    color: var(--color-text);
    cursor: pointer;
    line-height: 1;
}

.mobile-link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-text);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    background-color: var(--color-secondary-light);
    display: flex;
    align-items: center;
}

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

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

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.hero-text {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.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-sm);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.hero-trust span:not(:last-child)::after {
    content: '•';
    margin-left: var(--spacing-sm);
    color: var(--color-primary);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.hero-image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    z-index: -1;
}

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

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

.about-content .lead {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    font-style: italic;
}

.about-list {
    margin-top: var(--spacing-md);
}

.about-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.about-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: var(--shadow);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 4px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary);
}

.service-card .icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-family: var(--font-heading);
    color: var(--color-text);
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Philosophy Section */
.philosophy {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-primary);
    color: var(--color-white);
}

.philosophy-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.philosophy-content blockquote {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-style: italic;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.philosophy-content cite {
    font-family: var(--font-body);
    font-size: 1rem;
    font-style: normal;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-secondary);
}

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

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

.contact-info {
    padding-right: var(--spacing-md);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.info-icon {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 5px;
}

.info-item h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--color-text);
}

.info-item p {
    margin: 0;
    font-size: 0.95rem;
}

.info-item a {
    color: var(--color-primary);
}

.info-item a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    background-color: var(--color-cream);
    padding: var(--spacing-md);
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.contact-form h3 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(114, 47, 55, 0.1);
}

.form-status {
    margin-top: var(--spacing-sm);
    padding: 12px;
    border-radius: 2px;
    text-align: center;
    font-weight: 700;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-logo h3 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.footer-logo p {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--color-white);
    font-size: 0.95rem;
}

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

.footer-address {
    color: var(--color-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-secondary);
    font-size: 0.85rem;
    margin: 0;
}

/* Reveal Animation */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.hidden {
    opacity: 0;
    transform: translateY(30px);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container,
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-image img {
        height: 400px;
    }
    
    .hero-image-accent {
        display: none;
    }
    
    .about-image img,
    .hero-image img {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        margin-top: 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.85rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}