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

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

body {
    font-family: 'Inter', sans-serif;
    color: #1a1a1a;
    line-height: 1.6;
    background-color: #ffffff;
    overflow-x: hidden;
}

:root {
    /* Cores Principais */
    --primary-600: #2A6575;
    --primary-500: #3A7A8A;
    --primary-400: #5A9AAF;
    --primary-100: #E6F3F6;
    --primary-50: #F0F8FA;
    
    /* Cores Complementares */
    --teal-600: #0F766E;
    --teal-500: #14B8A6;
    --teal-100: #CCFBF1;
    
    /* Tons de Cinza */
    --gray-900: #111827;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    
    /* WhatsApp */
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
    
    /* Tipografia */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --font-display: 'Poppins', sans-serif;
    
    /* Espaçamentos */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Bordas */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

h1 { 
    font-size: clamp(2.5rem, 5vw, 4rem); 
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 { 
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 { 
    font-size: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: -0.01em;
}

h4 { 
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--space-4);
    color: var(--gray-600);
    line-height: 1.7;
}

.section-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.highlight {
    color: var(--teal-600);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--teal-500), var(--primary-500));
    opacity: 0.3;
    border-radius: var(--radius-full);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header p {
    font-size: 1.125rem;
    margin-top: var(--space-4);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--teal-600));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: white;
    color: var(--primary-600);
    border: 2px solid var(--primary-600);
}

.btn-secondary:hover {
    background: var(--primary-600);
    color: white;
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeLeft {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeRight {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-up {
    opacity: 0;
    animation: fadeUp 0.8s ease-out forwards;
    animation-play-state: paused;
}

.animate-fade-left {
    opacity: 0;
    animation: fadeLeft 0.8s ease-out forwards;
    animation-play-state: paused;
}

.animate-fade-right {
    opacity: 0;
    animation: fadeRight 0.8s ease-out forwards;
    animation-play-state: paused;
}

.animate-scale-in {
    opacity: 0;
    animation: scaleIn 0.6s ease-out forwards;
    animation-play-state: paused;
}

.animated {
    opacity: 1 !important;
}

.animate-fade-up[data-delay="100"] { animation-delay: 0.1s; }
.animate-fade-up[data-delay="200"] { animation-delay: 0.2s; }
.animate-fade-up[data-delay="300"] { animation-delay: 0.3s; }
.animate-fade-up[data-delay="400"] { animation-delay: 0.4s; }
.animate-fade-left[data-delay="100"] { animation-delay: 0.1s; }
.animate-fade-left[data-delay="200"] { animation-delay: 0.2s; }
.animate-fade-right[data-delay="100"] { animation-delay: 0.1s; }
.animate-fade-right[data-delay="200"] { animation-delay: 0.2s; }

@supports not (animation-play-state: paused) {
    .animate-fade-up,
    .animate-fade-left,
    .animate-fade-right,
    .animate-scale-in {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .animate-fade-up,
    .animate-fade-left,
    .animate-fade-right,
    .animate-scale-in {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
    
    .site-header {
        transition: none !important;
    }
    
    .floating-whatsapp {
        animation: none !important;
    }
}

.animate-fade-left {
    opacity: 0;
    animation: fadeLeft 0.8s ease-out forwards;
    animation-play-state: paused;
}

.animate-fade-right {
    opacity: 0;
    animation: fadeRight 0.8s ease-out forwards;
    animation-play-state: paused;
}

.animate-scale-in {
    opacity: 0;
    animation: scaleIn 0.6s ease-out forwards;
    animation-play-state: paused;
}

.animate-fade-up[data-delay="100"] { animation-delay: 0.1s; }
.animate-fade-up[data-delay="200"] { animation-delay: 0.2s; }
.animate-fade-up[data-delay="300"] { animation-delay: 0.3s; }
.animate-fade-up[data-delay="400"] { animation-delay: 0.4s; }
.animate-fade-left[data-delay="100"] { animation-delay: 0.1s; }
.animate-fade-left[data-delay="200"] { animation-delay: 0.2s; }
.animate-fade-right[data-delay="100"] { animation-delay: 0.1s; }
.animate-fade-right[data-delay="200"] { animation-delay: 0.2s; }

.top-bar {
    background: var(--primary-600);
    color: white;
    padding: var(--space-3) 0;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.location-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: white;
    opacity: 0.9;
    transition: var(--transition-fast);
}

.location-link:hover {
    opacity: 1;
}

.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-links a {
    color: white;
    opacity: 0.9;
    transition: var(--transition-fast);
    padding: var(--space-1);
}

.social-links a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--gray-300);
}

.site-header.scrolled .container {
    padding: var(--space-2) var(--space-6);
}

.site-header.scrolled .logo img {
    height: 50px;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
}

.logo img {
    height: 60px;
    width: auto;
}

.main-nav ul {
    display: flex;
    gap: var(--space-8);
    list-style: none;
}

.main-nav a {
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    position: relative;
    padding: var(--space-2) 0;
    transition: var(--transition-fast);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--teal-600);
    transition: var(--transition-fast);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.main-nav a:hover {
    color: var(--primary-600);
}

.header-actions .btn {
    font-size: 0.875rem;
    padding: var(--space-2) var(--space-4);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: var(--space-1);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-50), var(--teal-100));
    padding: var(--space-24) 0 var(--space-20);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-subtitle {
    display: block;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--primary-600);
    margin-bottom: var(--space-3);
    font-family: var(--font-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}

.hero-text p {
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
    color: var(--gray-600);
}

.hero-actions {
    margin-top: var(--space-8);
}

.hero-image {
    position: relative;
    justify-self: end;
}

.image-container {
    position: relative;
    width: 400px;
    height: 500px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

.image-container:hover img {
    transform: scale(1.05);
}

.features-section {
    padding: var(--space-20) 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-16);
}

.feature-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-600), var(--teal-600));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-600), var(--teal-600));
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
    color: var(--gray-900);
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    margin: 0;
}

.specialties-section {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.specialty-toggle {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-12);
}

.specialty-btn {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.specialty-btn.active,
.specialty-btn:hover {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.specialty-content {
    display: none;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 
                0 0 0 1px rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.specialty-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-600), var(--teal-600));
    opacity: 0.8;
}

.specialty-content.active {
    display: block;
    animation: fadeInGlass 0.6s ease-out forwards;
}

@keyframes fadeInGlass {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
        backdrop-filter: blur(0px);
        -webkit-backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
}

.specialty-content h3 {
    text-align: center;
    margin-bottom: var(--space-8);
    font-size: 2rem;
}

.intro {
    font-size: 1.125rem;
    color: var(--primary-600);
    margin-bottom: var(--space-8);
    font-weight: 500;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.benefit-section h4 {
    color: var(--primary-600);
    margin-bottom: var(--space-4);
    font-size: 1.125rem;
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--gray-700);
}

.benefits-list li::before {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--teal-600);
    border-radius: var(--radius-full);
    flex-shrink: 0;
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.benefits-list li::after {
    content: '✓';
    position: absolute;
    left: 6px;
    top: 4px;
    color: white;
    font-size: 10px;
    font-weight: bold;
}

.highlight-list li::before {
    background: linear-gradient(135deg, var(--teal-500), var(--primary-500));
}

.cta-wrapper {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-200);
}

.cta-wrapper p {
    margin-bottom: var(--space-6);
    font-size: 1.125rem;
}

.about-section {
    padding: var(--space-24) 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-text .section-header {
    text-align: left;
    margin-bottom: var(--space-8);
}

.credentials {
    font-size: 1rem;
    color: var(--primary-600);
    font-weight: 600;
    margin-bottom: var(--space-6) !important;
}

.qualifications {
    margin: var(--space-6) 0;
}

.qualifications ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.qualifications li {
    display: block;
    color: var(--gray-700);
    line-height: 1.6;
    padding: var(--space-4);
    background: rgba(240, 248, 250, 0.5);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--teal-600);
    transition: var(--transition-fast);
    position: relative;
    padding-left: var(--space-10);
}

.qualifications li:hover {
    background: rgba(240, 248, 250, 0.8);
    transform: translateX(4px);
}

.qualifications li::before {
    content: '🎓';
    font-size: 1.25rem;
    position: absolute;
    left: var(--space-4);
    top: var(--space-4);
}

.qualifications li strong {
    color: var(--primary-600);
    font-weight: 600;
    display: inline;
}

.about-visual {
    position: relative;
}

.about-visual .image-container {
    width: 100%;
    height: 600px;
    position: relative;
}

.quote-card {
    position: absolute;
    bottom: var(--space-8);
    left: var(--space-8);
    right: var(--space-8);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quote-card blockquote {
    font-style: italic;
    color: var(--gray-700);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

.testimonials-section {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-16);
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    margin-bottom: var(--space-6);
}

.testimonial-content p {
    color: var(--gray-700);
    font-style: italic;
    font-size: 1rem;
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--gray-200);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info .name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.9375rem;
    font-family: var(--font-display);
    letter-spacing: 0.01em;
}

.author-info .handle {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.contact-section {
    position: relative;
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-600), var(--teal-600));
}

.bg-overlay {
    position: absolute;
    inset: 0;
    background: url('../images/dra-exame.png') center/cover;
    opacity: 0.1;
}

.contact-card {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.contact-info h3,
.contact-form-wrapper h3 {
    color: var(--gray-900);
    margin-bottom: var(--space-6);
}

.location-info {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.location-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.location-details h4 {
    color: var(--primary-600);
    font-size: 1.125rem;
    margin-bottom: var(--space-2);
}

.location-details p {
    color: var(--gray-600);
    margin: 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-group {
    position: relative;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    background: white;
    transition: var(--transition-fast);
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(42, 101, 117, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--gray-400);
}

.faq-section {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--gray-50), var(--primary-50));
}

.faq-section .section-header p {
    color: var(--gray-600);
    font-size: 1rem;
}

.faq-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.faq-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
}

.faq-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-600), var(--teal-600));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.faq-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.faq-card:hover::before {
    transform: scaleX(1);
}

.faq-card.active {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(42, 101, 117, 0.1), var(--shadow-lg);
}

.faq-card.active::before {
    transform: scaleX(1);
}

.faq-card-header {
    padding: var(--space-6);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    position: relative;
}

.faq-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-600), var(--teal-600));
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.faq-card:hover .faq-icon {
    transform: scale(1.1) rotate(-5deg);
}

.faq-card.active .faq-icon {
    transform: scale(1.1) rotate(0deg);
}

.faq-card-header h3 {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
    line-height: 1.4;
    font-family: var(--font-display);
}

.faq-toggle {
    width: 32px;
    height: 32px;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 300;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.faq-card:hover .faq-toggle {
    background: var(--primary-200);
}

.faq-card.active .faq-toggle {
    background: var(--primary-600);
    color: white;
    transform: rotate(45deg);
}

.faq-card-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 var(--space-6);
    background: var(--gray-50);
}

.faq-card.active .faq-card-content {
    max-height: 500px;
    padding: var(--space-6);
    border-top: 1px solid var(--gray-200);
}

.faq-card-content p {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-3);
    font-size: 0.9375rem;
}

.faq-card-content p:last-child {
    margin-bottom: 0;
}

.faq-card-content ul {
    list-style: none;
    margin: var(--space-4) 0;
    padding: 0;
}

.faq-card-content li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--gray-700);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.faq-card-content li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--teal-500);
    color: white;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: bold;
    margin-top: 2px;
}

.faq-card-content a {
    color: var(--primary-600);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid var(--primary-200);
    transition: var(--transition-fast);
}

.faq-card-content a:hover {
    color: var(--primary-700);
    border-bottom-color: var(--primary-600);
}

.faq-card-content strong {
    color: var(--primary-600);
    font-weight: 600;
}

.site-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-16) 0 var(--space-8);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
}

.footer-logo {
    width: 80px;
    height: 80px;
    opacity: 0.8;
    transition: var(--transition-normal);
}

.footer-brand:hover .footer-logo {
    opacity: 1;
    transform: scale(1.05);
}

.footer-social {
    display: flex;
    gap: var(--space-6);
}

.footer-social a {
    width: 48px;
    height: 48px;
    background: var(--gray-800);
    color: var(--gray-400);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

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

.footer-info p {
    margin: 0 0 var(--space-2);
    color: var(--gray-400);
}

.footer-credits {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-credits a {
    color: var(--primary-400);
    text-decoration: none;
}

.footer-credits a:hover {
    text-decoration: underline;
}

.floating-whatsapp {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 64px;
    height: 64px;
    background: var(--whatsapp);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background: var(--whatsapp-dark);
    box-shadow: var(--shadow-xl);
}

@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);
    }
}

@media (max-width: 1024px) {
    :root {
        --space-16: 3rem;
        --space-20: 4rem;
        --space-24: 5rem;
    }

    .hero-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .hero-image {
        justify-self: center;
        order: -1;
    }

    .image-container {
        width: 350px;
        height: 450px;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }

    .site-header .container {
        padding: var(--space-3) var(--space-4);
    }

    .header-actions {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-xl);
        z-index: 999;
    }

    .main-nav.active {
        left: 0;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--space-6);
    }

    .main-nav a {
        font-size: 1.125rem;
    }

    .hero-section {
        padding: var(--space-16) 0 var(--space-12);
        text-align: center;
    }

    .image-container {
        width: 280px;
        height: 350px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .specialty-btn {
        width: 100%;
        max-width: 300px;
    }

    .specialty-content {
        padding: var(--space-8);
    }

    .contact-card {
        padding: var(--space-8);
    }

    .floating-whatsapp {
        width: 56px;
        height: 56px;
        bottom: var(--space-4);
        right: var(--space-4);
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    /* FAQ Cards responsivo */
    .faq-cards-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .faq-card-header {
        padding: var(--space-5);
    }

    .faq-icon {
        width: 40px;
        height: 40px;
    }

    .faq-card-header h3 {
        font-size: 1rem;
    }

    .faq-card.active .faq-card-content {
        padding: var(--space-5);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.875rem;
    }

    .feature-card,
    .testimonial-card {
        padding: var(--space-6);
    }

    .contact-card {
        padding: var(--space-6);
    }

    .specialty-content {
        padding: var(--space-6);
    }

    .image-container {
        width: 250px;
        height: 320px;
    }
}

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

    .floating-whatsapp {
        animation: none;
    }
}

.btn:focus,
.main-nav a:focus,
.contact-form input:focus,
.contact-form textarea:focus,
.faq-item summary:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}