:root {
    /* Color Palette - OdontoLevy Brand (Blue + Gold) */
    --primary: #2563eb;
    /* Blue 600 */
    --primary-dark: #1e40af;
    /* Blue 700 */
    --primary-light: #dbeafe;
    /* Blue 100 */
    --secondary: #0ea5e9;
    /* Sky 500 */
    --gold: #f59e0b;
    /* Amber 500 - Logo accent */
    --gold-light: #fef3c7;
    /* Amber 50 */
    --whatsapp: #25D366;
    /* WhatsApp Green */
    --background: #ffffff;
    --surface: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--background);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

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

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #0f172a;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons - CRITICAL FOR CONVERSION */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

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

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

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

/* WhatsApp Floating Button - CONVERSION CRITICAL */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 1rem 0;
    background: transparent;
}

header.scrolled {
    background: var(--glass);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0;
}

.logo-icon {
    height: 1.8rem;
    width: auto;
    margin-right: 0.1rem;
    vertical-align: middle;
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: 2rem;
    font-size: 0.95rem;
}

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

.nav-actions {
    display: flex;
}

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

/* Hero Section - CONVERSION CRITICAL */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    padding-bottom: 3rem;
    background: radial-gradient(circle at top right, var(--primary-light), transparent),
        radial-gradient(circle at bottom left, #e0f2fe, transparent);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.25rem;
    margin-bottom: 1.5rem;
    color: #0f172a;
    line-height: 1.1;
}

.hero-subheadline {
    font-size: 1.35rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.hero-btns {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

/* Desktop: align to start */
@media (min-width: 768px) {
    .hero-btns {
        justify-content: flex-start;
    }
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.hero-trust i {
    color: var(--primary);
}

.hero-image img {
    border-radius: 1.5rem;
}

/* Authority Section */
.authority-section {
    background-color: var(--primary);
    color: var(--white);
    padding: 3rem 0;
}

.authority-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.authority-item h3 {
    font-size: 2rem;
    margin: 0.75rem 0 0.25rem;
}

.authority-item p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.authority-icon {
    font-size: 2rem;
    opacity: 0.9;
}

/* Problem-Solution Section */
.problem-solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.problem-icon {
    font-size: 3rem;
    color: #ef4444;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.problem-card>p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.solution-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 1rem 0;
}

.solution-box {
    background: var(--primary-light);
    padding: 1.25rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary);
}

.solution-box p {
    color: var(--text-main);
    font-size: 0.95rem;
    text-align: left;
}

/* Diferenciais */
.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.diferencial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1.25rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.diferencial-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.5rem;
}

.diferencial-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.diferencial-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Como Funciona - Steps */
.steps-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 1.5rem;
    align-items: center;
    margin-top: 3rem;
}

.step-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 1.25rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gold), var(--primary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.step-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin: 1rem 0;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    color: var(--gold);
    margin-bottom: 1rem;
    font-size: 1rem;
    filter: drop-shadow(0 2px 4px rgba(245, 158, 11, 0.2));
}

.testimonial-text {
    color: var(--text-main);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author strong {
    color: var(--text-main);
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* CTA Final Section */
.cta-final {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.cta-final-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cta-final-text h2 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    color: white;
}

.cta-final-text>p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-benefits {
    margin-bottom: 2.5rem;
}

.cta-benefits li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.cta-benefits i {
    color: var(--gold);
    font-size: 1.25rem;
}

.cta-final .btn-primary {
    background-color: white;
    color: var(--primary);
}

.cta-final .btn-primary:hover {
    background-color: var(--primary-light);
}

.cta-contact-info {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.cta-contact-info i {
    margin: 0 0.25rem 0 1rem;
}

/* CTA Block (reusable) */
.cta-block {
    margin-top: 3rem;
}

/* Tratamentos Section */
.tratamentos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.tratamento-item {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    border: 2px solid transparent;
}

.tratamento-item:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tratamento-item:hover i {
    color: var(--gold);
}

.tratamento-item i {
    font-size: 2.5rem;
    color: var(--primary);
}

.tratamento-item span {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-main);
}

.atendimento-especial {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--primary-light);
}

.atendimento-card {
    background: linear-gradient(135deg, var(--primary-light), white);
    padding: 2.5rem;
    border-radius: 1.25rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

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

.atendimento-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.atendimento-card p {
    color: var(--text-muted);
}

/* Planos Odontológicos */
.planos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.plano-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.plano-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.plano-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.plano-card h3 {
    font-size: 1.15rem;
    color: var(--text-main);
}

/* Credentials Section */
.credentials {
    background-color: #f1f5f9;
    padding: 2rem 0;
    border-top: 1px solid #e2e8f0;
}

.credentials-content {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.credentials-content p {
    margin: 0.5rem 0;
}

/* Footer */
footer {
    background-color: #0f172a;
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-info p {
    color: #94a3b8;
    margin-top: 1rem;
}

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

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a {
    color: #94a3b8;
}

.footer-links ul li a:hover {
    color: var(--white);
}

.copyright {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
}

/* Scroll Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive - MOBILE FIRST */
@media (max-width: 1024px) {
    .hero-text h1 {
        font-size: 2.75rem;
    }

    .section-header h2 {
        font-size: 2.25rem;
    }

    .cta-final-text h2 {
        font-size: 2.25rem;
    }

    .steps-container {
        grid-template-columns: 1fr;
    }

    .step-arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        text-align: center;
        padding-top: 8rem;
        padding-bottom: 2rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-text h1 {
        font-size: 2.25rem;
    }

    .hero-subheadline {
        font-size: 1.15rem;
    }

    .hero-trust {
        justify-content: center;
    }

    .cta-final-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta-final-image {
        order: -1;
    }

    .nav-links {
        display: none;
    }

    .nav-actions {
        display: none;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 1.75rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.85rem;
    }

    .section-header h2 {
        font-size: 1.85rem;
    }

    .btn-large {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }

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

    .authority-content {
        grid-template-columns: 1fr 1fr;
    }
}