/* CSS Design System - Smile Health Center */
:root {
    --primary: #0077b6; /* Elegant blue */
    --primary-dark: #023e8a;
    --secondary: #90e0ef;
    --accent: #ffffff;
    --text-main: #2b2d42;
    --text-muted: #8d99ae;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 5rem 0;
}

.bg-light { background-color: var(--bg-light); }
.bg-primary { background-color: var(--primary); }
.text-white { color: var(--accent); }
.text-center { text-center: center !important; }
.text-center * { text-align: center; }

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    display: block;
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: center;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-secondary-light, .btn-whatsapp {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
}

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

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

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

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

.btn-whatsapp {
    background: #25d366;
    color: white;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('assets/hero.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 119, 182, 0.7) 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-ctas {
    display: flex;
    gap: 1.5rem;
}

/* About Section */
.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.trust-badges {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.badge i {
    color: #ffb703;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* Why Us */
.values-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.value-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.icon-circle {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.reviews-summary {
    padding: 4rem;
    border-radius: 30px;
    position: relative;
}

.reviews-summary h3 {
    margin-bottom: 1.5rem;
}

.reviews-summary p {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.rating i { color: #ffb703; }

/* Contact Section */
.contact-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.contact-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-list i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.contact-list a {
    color: inherit;
    text-decoration: none;
}

.map-placeholder {
    height: 400px;
    background: #e9ecef;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.map-ui {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.map-ui i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.map-ui span {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Footer */
footer {
    background: var(--bg-light);
    border-top: 1px solid rgba(0,0,0,0.05);
}

.footer-grid {
    grid-template-columns: 2fr 1fr;
    margin-bottom: 3rem;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

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

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(0,0,0,0.1);
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.disclaimer {
    margin-top: 1rem;
    font-style: italic;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero h1 { font-size: 3rem; }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .desktop-only { display: none; }
    
    .mobile-menu-btn { display: block; }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow);
    }
    
    .nav-links.active { display: flex; }
    
    .hero h1 { font-size: 2.5rem; }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .reviews-summary {
        padding: 2rem;
    }
}