:root {
    --primary: #C6A15B;
    --primary-dark: #A9853F;
    --primary-light: #F6EFDD;
    --dark-blue: #172C4B;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img,
video {
    max-width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
}

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

.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

/* WhatsApp floating button */
.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
    z-index: 1200;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.08);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* Header */
header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
}

footer .logo-img {
    height: 52px;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-dark);
    transition: color 0.3s;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 40px 0 80px;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--dark-blue);
    font-weight: 800;
}

.hero-content h1 span {
    color: var(--primary);
}

.hero-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 480px;
}

.hero-btns {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 25px;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
}

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

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

.hero-img-bg {
    width: 100%;
    max-width: 500px;
    height: 500px;
    background: var(--primary-light);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 70%;
    overflow: hidden;
    position: relative;
}

.hero-img-bg img,
.hero-img-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Hero collage */
.hero-collage {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 16px;
    width: 100%;
}

.hero-img-main img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: block;
}

.hero-img-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-img-side img {
    width: 100%;
    height: 252px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: block;
}

/* Social proof bar */
.social-proof-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    padding: 24px 30px;
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.proof-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
}

.proof-item strong {
    font-size: 1.3rem;
    color: var(--dark-blue);
}

.proof-item span {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.proof-stars {
    color: var(--primary);
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.proof-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Section CTA links */
.section-cta {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.section-header.center {
    text-align: center;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* Treatments Section */
.treatments-section {
    padding: 40px 0 80px;
    background: var(--bg-light);
}

.treatments-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.treatment-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.treatment-card:hover {
    transform: translateY(-5px);
}

.treatment-card .icon-box {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.treatment-card h3 {
    font-size: 1.1rem;
    color: var(--dark-blue);
    margin-bottom: 10px;
}

.treatment-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Cases / Antes e Depois */
.cases-section {
    padding: 40px 0 80px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.case-img {
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.case-tag {
    position: absolute;
    left: 12px;
    bottom: 12px;
    background: rgba(23, 44, 75, 0.85);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 50px;
}

/* Why choose us */
.why-section {
    padding: 40px 0 80px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.why-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    background: var(--primary-light);
    padding: 25px 15px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--dark-blue);
}

.why-item i {
    font-size: 1.6rem;
    color: var(--primary-dark);
}

/* Features Bar */
.features-bar {
    background-color: var(--primary-light);
    padding: 30px;
    border-radius: var(--radius-lg);
    margin-bottom: 80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .icon-box {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.feature-card h4 {
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Technology Section */
.tech-section {
    padding: 40px 0 80px;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tech-img-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 5;
    box-shadow: var(--shadow);
}

.tech-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.tech-slide.active {
    opacity: 1;
}

.tech-badge-overlay {
    position: absolute;
    z-index: 2;
    left: -20px;
    bottom: 40px;
    background: var(--dark-blue);
    color: var(--white);
    padding: 25px;
    border: 3px solid var(--white);
    box-shadow: 0 18px 35px rgba(23, 44, 75, 0.45);
    border-radius: 50%;
    width: 130px;
    height: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.tech-badge-overlay i {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.tech-badge-overlay span {
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.2;
}

.tech-content h2 {
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: 15px;
    color: var(--dark-blue);
}

.tech-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.tech-list {
    margin-bottom: 30px;
}

.tech-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.tech-list i {
    color: var(--primary-dark);
    background: var(--primary-light);
    padding: 4px;
    border-radius: 50%;
    font-size: 0.7rem;
    margin-top: 3px;
}

/* About the dentist */
.about-section {
    padding: 40px 0 80px;
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 50px;
    align-items: center;
}

.about-img-box {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-img-box img {
    width: 100%;
    display: block;
}

.about-content h2 {
    font-size: 2.1rem;
    color: var(--dark-blue);
    margin-bottom: 4px;
}

.about-content .role {
    display: block;
    color: var(--primary-dark);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 18px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

/* Video / Depoimentos */
.video-section {
    padding: 60px 0;
    background-color: var(--dark-blue);
    color: var(--white);
}

.video-section .section-header h2 {
    color: var(--white);
}

.video-section .section-header p {
    color: #a9b7cc !important;
}

.video-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.video-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-card video {
    width: 100%;
    display: block;
    aspect-ratio: 9/16;
    object-fit: cover;
    background: #000;
    max-height: 520px;
}

.video-card-caption {
    padding: 18px 20px;
}

.video-card-caption h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.video-card-caption p {
    font-size: 0.85rem;
    color: #a9b7cc;
}

/* Section header */
.section-header {
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2.2rem;
    color: var(--dark-blue);
}

/* Sinais de alerta */
.signs-section {
    padding: 60px 0;
    background-color: var(--dark-blue);
    color: var(--white);
}

.signs-section .section-header h2 {
    color: var(--white);
}

.signs-section .section-header p {
    color: #a9b7cc !important;
}

.signs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.sign-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 30px;
}

.sign-card i {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 14px;
    display: block;
}

.sign-card h3 {
    font-size: 1.15rem;
    color: var(--white);
    margin-bottom: 10px;
}

.sign-card p {
    font-size: 0.9rem;
    color: #a9b7cc;
}

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

.sign-emoji {
    font-size: 1.6rem;
    margin-bottom: 14px;
    display: block;
}

.signs-footer-note {
    text-align: center;
    margin-top: 30px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
}

/* FAQ CTA */
.faq-cta {
    margin-top: 30px;
    padding: 24px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    text-align: center;
}

.faq-cta p {
    margin-bottom: 14px;
    font-weight: 600;
    color: var(--dark-blue);
    font-size: 0.95rem;
}

/* Section CTA multi-button */
.section-cta-multi {
    gap: 15px;
    flex-wrap: wrap;
}

/* CTA subnote */
.cta-subnote {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 80px;
}

/* FAQ and side image */
.bottom-sections {
    padding: 40px 0 80px;
}

.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.faq-accordion {
    margin-top: 20px;
}

.faq-item {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    color: var(--text-dark);
}

.faq-question i {
    transition: transform 0.3s;
    color: var(--primary-dark);
    flex-shrink: 0;
    margin-left: 10px;
}

.faq-item.open .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.faq-item.open .faq-answer {
    max-height: 220px;
    padding: 0 20px 18px;
}

.side-panel {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-panel img {
    border-radius: var(--radius-md);
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.side-panel-text span {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.side-panel-text h4 {
    color: var(--dark-blue);
    margin: 8px 0 10px;
    font-size: 1.1rem;
}

.side-panel-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* Banner CTA */
.cta-banner {
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 20px;
}

.cta-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.cta-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.cta-text h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.cta-text p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.cta-banner .btn {
    background: var(--white);
    color: var(--primary-dark);
    flex-shrink: 0;
}

/* Map */
.map-section {
    padding: 60px 0 80px;
}

.map-embed {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    line-height: 0;
}

/* Footer */
footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col p {
    color: #94a3b8;
    font-size: 0.85rem;
    margin-top: 15px;
    max-width: 260px;
}

.footer-tagline {
    display: block;
    margin-top: 15px;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-doctor {
    margin-top: 10px !important;
    color: var(--white) !important;
    font-weight: 600;
}

.footer-whatsapp-btn {
    margin-top: 18px;
    width: 100%;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #94a3b8;
    font-size: 0.85rem;
    transition: color 0.3s;
}

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

.contact-info li {
    display: flex;
    gap: 10px;
    color: #94a3b8;
    font-size: 0.85rem;
    margin-bottom: 12px;
    align-items: flex-start;
}

.contact-info i {
    color: var(--primary);
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.8rem;
    color: #94a3b8;
}

.footer-legal a {
    color: #94a3b8;
    transition: color 0.3s;
}

.footer-legal a:hover {
    color: var(--white);
}

/* Responsividade */
@media (max-width: 992px) {

    .hero-grid,
    .tech-grid,
    .about-grid,
    .two-col-grid,
    .footer-grid,
    .video-grid,
    .signs-grid,
    .treatments-grid {
        grid-template-columns: 1fr;
    }

    .cases-grid,
    .why-grid,
    .signs-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .hero-img-main img {
        height: 320px;
    }

    .hero-img-side img {
        height: 152px;
    }

    .social-proof-bar {
        gap: 18px;
    }

    .proof-divider {
        display: none;
    }

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

    .about-img-box img {
        max-height: 340px;
        object-fit: cover;
    }

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

    .cta-banner {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .cta-left {
        flex-direction: column;
    }

    .nav-links {
        position: fixed;
        top: 88px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        display: none;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }
}