/* ===== CSS VARIABLES ===== */
:root {
    /* Cores específicas da Odontto Clínica Prime */
    --primary-color: #194f63;
    /* Azul escuro principal */
    --secondary-color: #f9f9f9;
    /* Branco gelo */
    --accent-color: #c9e3d5;
    /* Verde claro */
    --gold-color: #c1a469;
    /* Dourado */

    /* Cores complementares */
    --white: #ffffff;
    --black: #000000;
    --gray-light: #f5f5f5;
    --gray-medium: #888888;
    --gray-dark: #333333;
    --success: #25d366;
    /* WhatsApp green */

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET AND BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--secondary-color);
    overflow-x: hidden;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition-normal);
}

ul {
    list-style: none;
}

/* ===== UTILITY CLASSES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-medium);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--success), #20b358);
    color: var(--white);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #20b358, var(--success));
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    text-align: center;
    justify-content: center;
}

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

.whatsapp-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 2px;
}

.slogan {
    font-size: 0.8rem;
    color: var(--gray-medium);
    font-style: italic;
}

.nav-menu {
    display: none;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--gray-dark);
    position: relative;
}

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

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

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

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: calc(80px + var(--spacing-xl)) var(--spacing-sm) var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.location-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.location-icon {
    width: 16px;
    height: 16px;
    fill: var(--primary-color);
}

.location-badge span {
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--gray-medium);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.doctors-image {
    width: 100%;
    max-width: 400px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.doctor-tag {
    position: absolute;
    background: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    font-size: 0.9rem;
}

.doctor-tag-1 {
    bottom: 20%;
    left: -10px;
}

.doctor-tag-2 {
    top: 20%;
    right: -10px;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-description {
    margin-bottom: var(--spacing-md);
    color: var(--gray-medium);
    line-height: 1.7;
}

.about-features {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--white);
}

.feature-content h3 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    color: var(--gray-medium);
    line-height: 1.6;
}

.clinic-image {
    width: 100%;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-xxl) 0;
    background: var(--gray-light);
}

.services-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--gold-color));
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--white);
}

.service-title {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.service-benefits {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
}

.benefit {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-xl);
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
}

/* ===== BEFORE/AFTER SECTION ===== */
.before-after {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gray-light);
    color: var(--gray-medium);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.gallery-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.before-after-card {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.before-after-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.gallery-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    color: var(--white);
}

.overlay-text {
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--gray-light);
}

.contact-content {
    display: grid;
    gap: var(--spacing-xl);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--white);
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--gray-medium);
    line-height: 1.6;
}

.cta-buttons {
    margin-top: var(--spacing-lg);
}

.map-container {
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-placeholder iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-info h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-years {
    color: var(--gold-color) !important;
    font-weight: var(--font-weight-medium);
}

.footer-contact h4,
.footer-services h4,
.footer-areas h4 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--gold-color);
}

.footer-contact p,
.footer-services li,
.footer-areas li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-float a:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    fill: var(--white);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .section-title {
        font-size: 2.5rem;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-cta {
        flex-direction: row;
        gap: var(--spacing-md);
    }

    .about-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .nav-menu {
        display: flex;
    }

    .nav-toggle {
        display: none;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-xl);
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3.5rem;
    }
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Print Styles */
@media print {

    .header,
    .whatsapp-float,
    .nav-toggle {
        display: none;
    }

    .hero {
        padding-top: var(--spacing-lg);
    }

    * {
        box-shadow: none !important;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

    .doctors-image,
    .clinic-image,
    .gallery-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .whatsapp-float a {
        animation: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    /* Mantém o design claro para uma clínica de alto padrão */
    /* Pode ser implementado futuramente se necessário */
}






.carrossel-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    margin: auto;
}

.carrossel {
    display: flex;
    gap: 20px;
    transition: transform 0.3s ease-in-out;
    touch-action: pan-y;
}

.carrossel img {
    width: 100%;
    max-width: 300px;
    border-radius: 10px;
    flex-shrink: 0;
}

.botao-esquerda,
.botao-direita {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 30px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    cursor: pointer;
    z-index: 10;
    padding: 10px 15px;
    border-radius: 50%;
}

.botao-esquerda {
    left: 10px;
}

.botao-direita {
    right: 10px;
}