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

:root {
    --primary: hsl(200, 95%, 38%);
    --primary-glow: hsl(200, 85%, 55%);
    --secondary: hsl(180, 65%, 45%);
    --background: hsl(210, 40%, 98%);
    --foreground: hsl(215, 25%, 15%);
    --card: hsl(0, 0%, 100%);
    --border: hsl(214, 25%, 88%);
    --muted: hsl(210, 30%, 93%);
    --muted-foreground: hsl(215, 20%, 45%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: none;
}

nav a {
    margin: 0 1rem;
    color: var(--foreground);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s;
}

nav a:hover {
    opacity: 1;
    color: var(--primary);
}

.contact-info {
    display: none;
    align-items: center;
    gap: 1rem;
}

.contact-info a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--foreground);
    text-decoration: none;
    opacity: 0.7;
    font-size: 0.875rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 8px 30px hsla(200, 95%, 38%, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 12px 40px hsla(200, 95%, 38%, 0.4);
    transform: scale(1.05);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.5rem;
}

.mobile-menu {
    display: none;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 0.75rem 0;
    color: var(--foreground);
    text-decoration: none;
    opacity: 0.8;
}

/* Hero */
.hero {
    margin-top: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('images/hero-dental.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

.hero-feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
}

/* About */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Services */
.service-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.service-list {
    list-style: none;
    padding: 0;
}

.service-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

/* Process */
.process-grid {
    display: grid;
    gap: 3rem;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    background: var(--card);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.process-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.testimonial-header {
    margin-bottom: 1rem;
}

.stars {
    color: #fbbf24;
    margin-bottom: 1rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.contact-form {
    background: var(--card);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-family: inherit;
}

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

/* Footer */
footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--foreground);
    text-decoration: none;
    opacity: 0.7;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Responsive */
@media (min-width: 768px) {
    nav {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .contact-info {
        display: flex;
    }
    
    .hero h1 {
        font-size: 4rem;
    }
}

/* Notification styles */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
    animation: slideIn 0.3s ease-out;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

.notification-success .notification-content {
    background: linear-gradient(135deg, hsl(158, 64%, 45%), hsl(158, 64%, 35%));
    color: white;
}

.notification-error .notification-content {
    background: linear-gradient(135deg, hsl(0, 72%, 55%), hsl(0, 72%, 45%));
    color: white;
}

.notification-icon {
    font-size: 1.25rem;
    font-weight: bold;
}

.notification-message {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    padding: 0;
    line-height: 1;
}

.notification-close:hover {
    opacity: 1;
}

.notification-hide {
    animation: slideOut 0.3s ease-in forwards;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@media (max-width: 480px) {
    .notification {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}