/* CSS Variables for Premium Theme */
:root {
    --color-primary: #58C2BA; /* Logo Turquoise */
    --color-primary-dark: #40A69F;
    --color-primary-light: rgba(88, 194, 186, 0.15);
    --color-dark: #121212; /* Deep Black */
    --color-dark-muted: #2A2A2A;
    --color-light: #F8F9FA; /* Light Grey */
    --color-white: #FFFFFF;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    --border-radius: 20px;
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 10px 25px rgba(88, 194, 186, 0.4);
}

/* Reset & Base Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    line-height: 1.6;
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

p {
    margin-bottom: var(--spacing-sm);
    color: #555;
    font-size: 1.1rem;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

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

.section-padding { padding: var(--spacing-xl) 0; }
.text-center { text-align: center; }

.bg-light-gradient {
    background: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%);
}

.text-white { color: var(--color-white); }
.text-white p { color: rgba(255, 255, 255, 0.85); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    font-size: 1.05rem;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

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

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

.btn-large { font-size: 1.2rem; padding: 1.4rem 3rem; }

/* Typography specifics */
.section-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

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

.main-copy {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: #444;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 0.8rem 0;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}
.navbar.scrolled {
    padding: 0.4rem 0;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    display: flex;
    align-items: center;
}
.nav-logo img {
    height: 120px;
    margin: -25px 0; /* Negate the whitespace so it looks big without breaking the header height */
    transition: var(--transition);
}
.navbar.scrolled .nav-logo img {
    height: 90px;
    margin: -20px 0;
}
.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}
.nav-links a {
    font-weight: 600;
    color: var(--color-dark);
    transition: var(--transition);
    font-size: 1.05rem;
}
.nav-links a:hover {
    color: var(--color-primary);
}

/* 1. Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 140px; /* Evita que el hero quede detrás del menú */
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(18,18,18,0.85) 0%, rgba(18,18,18,0.4) 50%, rgba(18,18,18,0) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.glass-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    max-width: 650px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.hero-title {
    font-size: 4.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    font-style: italic;
    font-weight: 400;
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

/* 2. Trust Bar */
.trust-bar {
    background-color: var(--color-dark);
    padding: var(--spacing-md) 0;
    position: relative;
    z-index: 10;
    margin-top: -50px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    box-shadow: 0 -20px 40px rgba(0,0,0,0.1);
}

.trust-text {
    text-align: center;
    font-size: 1.3rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.trust-icons {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.icon-circle {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: rgba(23, 178, 169, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    transition: var(--transition);
}

.trust-item:hover .icon-circle {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

/* 3. Ortho Adults */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 0;
    background: linear-gradient(180deg, var(--color-primary-light) 0%, transparent 100%);
    transition: var(--transition);
    z-index: -1;
}

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

.service-card:hover::before {
    height: 100%;
}

.card-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.service-card .subtitle {
    display: block;
    font-size: 1.1rem;
    font-family: var(--font-body);
    font-weight: 400;
    color: #888;
    margin-top: 5px;
}

/* 4 & 5. Pediatric & Tech (Grid Layouts) */
.pediatric-container, .tech-container, .investment-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.service-list li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 1.15rem;
    color: #444;
}

.list-icon {
    color: var(--color-primary);
    background: var(--color-primary-light);
    width: 28px; height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 3px;
}

.pediatric-image-wrapper, .tech-image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-featured {
    width: 100%;
    height: 600px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.pediatric-image-wrapper:hover .image-featured, 
.tech-image-wrapper:hover .image-featured {
    transform: scale(1.05);
}

.floating-badge {
    position: absolute;
    bottom: 30px; left: -30px;
    background: var(--color-white);
    padding: 1rem 2rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-md);
    font-weight: 600;
    color: var(--color-dark);
    z-index: 2;
    animation: float 4s ease-in-out infinite;
}

.floating-badge i { color: #e74c3c; font-size: 1.2rem; }

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

/* Tech Features */
.tech-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tech-feature-card {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.tech-feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.tech-icon {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.tech-feature-card h3 {
    margin-bottom: 5px;
    font-family: var(--font-body);
    font-size: 1.3rem;
}

.tech-feature-card p { margin: 0; font-size: 1rem; }

/* 6. About */
.about-doctor {
    background: url('assets/hero_dentist_1778114028043.png') center/cover fixed;
    position: relative;
}

.about-doctor::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(18, 18, 18, 0.85);
}

.about-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
}

.about-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    max-width: 900px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

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

.quote {
    font-size: 1.8rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.key-fact {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(23, 178, 169, 0.2);
    border: 1px solid rgba(23, 178, 169, 0.4);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
}

.key-fact i {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.key-fact p {
    margin: 0;
    color: var(--color-white);
    font-weight: 500;
}

/* 7. Gallery */
.slider-container {
    max-width: 900px;
    margin: 0 auto;
}

.before-after {
    display: flex;
    height: 500px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-md);
}

.ba-image {
    flex: 1;
    background-size: cover;
    background-position: center;
    position: relative;
}

.ba-image:first-child { border-right: 4px solid var(--color-white); }

.ba-label {
    position: absolute;
    bottom: 20px; left: 20px;
    background: rgba(0,0,0,0.7);
    color: var(--color-white);
    padding: 5px 15px;
    border-radius: 5px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.slide-caption {
    text-align: center;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--color-dark);
}

/* 8. Investment visual card */
.premium-card {
    background: linear-gradient(135deg, var(--color-dark), var(--color-dark-muted));
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    color: var(--color-white);
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.1);
}

.premium-card h3 { color: var(--color-white); font-size: 2rem; margin-bottom: 1rem; }
.premium-card p { color: rgba(255,255,255,0.8); margin-bottom: var(--spacing-md); }
.premium-icon { font-size: 4rem; color: var(--color-primary); margin-bottom: 1rem; }

/* 9. FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: var(--color-white);
}

.faq-question h3 {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 600;
}

.faq-question i {
    transition: var(--transition);
    color: var(--color-primary);
    font-size: 1.2rem;
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease-in-out;
    opacity: 0;
}

.faq-item.active { border-left: 4px solid var(--color-primary); }

.faq-item.active .faq-answer {
    padding-bottom: 1.5rem;
    max-height: 300px;
    opacity: 1;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* 10. Footer */
.site-footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding-top: var(--spacing-xl);
}

.footer-cta {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255,255,255,0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255,255,255,0.1);
}

.footer-title {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-title::after { display: none; }

.footer-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
}

.info-block h4 {
    font-family: var(--font-body);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-block p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.info-block i {
    width: 20px;
    color: var(--color-primary);
}

.social-links {
    display: flex;
    flex-direction: column;
}

.social-icons-wrapper {
    display: flex;
    gap: 10px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition);
    color: var(--color-white);
    font-size: 1.2rem;
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* Floating WhatsApp */
.floating-wa {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.floating-wa:hover {
    transform: scale(1.15) rotate(-5deg);
    color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section-title { font-size: 3rem; }
    .hero-title { font-size: 3.5rem; }
    .pediatric-container, .tech-container, .investment-container { gap: var(--spacing-md); }
    .image-featured { height: 500px; }
    .nav-links { display: none; } /* Hide links on tablet/mobile for simplicity, keep CTA */
}

@media (max-width: 768px) {
    .section-padding { padding: var(--spacing-lg) 0; }
    
    /* Navbar Mobile Fixes */
    .nav-logo img { height: 90px; margin: -15px 0; }
    .navbar.scrolled .nav-logo img { height: 75px; margin: -10px 0; }
    .nav-cta { padding: 0.8rem 1.2rem; font-size: 0.9rem; }
    
    .hero-section { align-items: flex-start; padding-top: 130px; }
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .glass-box { padding: var(--spacing-md); }
    
    .section-title { font-size: 2.2rem; }
    
    .pediatric-container, .tech-container, .investment-container { grid-template-columns: 1fr; }
    .tech-image-wrapper { order: -1; }
    
    .floating-badge { left: 10px; bottom: 10px; padding: 0.8rem 1.2rem; font-size: 0.9rem; }
    .floating-badge i { font-size: 1rem; }
    
    .trust-icons { flex-direction: column; gap: var(--spacing-md); }
    .trust-bar { margin-top: 0; border-radius: 0; }
    
    .before-after { flex-direction: column; height: auto; }
    .ba-image { height: 250px; }
    .ba-image:first-child { border-right: none; border-bottom: 4px solid var(--color-white); }
    
    .about-glass { padding: var(--spacing-md); }
    .quote { font-size: 1.2rem; }
    
    .premium-card { padding: var(--spacing-md); }
    .premium-card h3 { font-size: 1.6rem; }
    .premium-icon { font-size: 3rem; }
    
    .footer-title { font-size: 2.2rem; }
    .btn-large { padding: 1rem 2rem; font-size: 1rem; }
}

@media (max-width: 480px) {
    .nav-container { padding: 0 var(--spacing-sm); }
    .nav-cta { padding: 0.6rem 0.8rem; font-size: 0.8rem; letter-spacing: 0; }
    .nav-logo img { height: 80px; margin: -10px 0; }
    
    .hero-title { font-size: 2.2rem; }
    .section-title { font-size: 1.8rem; }
    
    .floating-wa { width: 50px; height: 50px; font-size: 1.8rem; bottom: 20px; right: 20px; }
}