/* Design Tokens */
:root {
    --color-bg: #FCFAF8; /* Areia Branca / Off-white */
    --color-bg-light: #F4EBE6; /* Nude Suave */
    --color-primary: #C5A059; /* Rose Gold / Dourado Champagne Luxuoso */
    --color-text: #2B2B2B; /* Cinza Carvão */
    --color-text-light: #6A6D70;
    --color-white: #FFFFFF;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilities */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }
@media (max-width: 768px) { .section-padding { padding: 60px 0; } }
.bg-light { background-color: var(--color-bg-light); }
.bg-dark { background-color: var(--color-text); color: var(--color-white); }
.text-light { color: var(--color-white); }
.hidden { opacity: 0; pointer-events: none; transform: translateY(20px); }

/* Typography */
h1, h2, h3 { font-family: var(--font-heading); font-weight: 400; color: var(--color-text); }
.bg-dark h1, .bg-dark h2, .bg-dark h3 { color: var(--color-white); }
.section-title { font-size: 2.5rem; text-align: center; margin-bottom: 3rem; }
.section-subtitle { text-align: center; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 2px; font-size: 0.75rem; margin-bottom: 1.5rem; font-weight: 500;}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 16px 36px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    border-radius: 2px;
    transition: var(--transition-smooth);
    cursor: pointer;
}
.btn-primary { 
    background-color: var(--color-primary); 
    color: var(--color-white); 
    border: 1px solid var(--color-primary); 
}
.btn-primary:hover { 
    background-color: transparent; 
    color: var(--color-primary); 
    border-color: var(--color-primary); 
}
.btn-secondary { 
    background-color: transparent; 
    color: var(--color-text); 
    border: 1px solid var(--color-text); 
    padding: 14px 28px; 
}
.btn-secondary:hover { 
    background-color: var(--color-text); 
    color: var(--color-white); 
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1600334089648-b0d9d3028eb2?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
    text-align: center;
}
.hero .overlay { 
    position: absolute; 
    inset: 0; 
    /* Overlay escuro de cima para que a logo vazada branca não suma, clareando suavemente */
    background: linear-gradient(to bottom, rgba(30, 30, 30, 0.45), rgba(238, 235, 233, 0.25) 50%, var(--color-bg)); 
}
.hero-content { position: relative; z-index: 1; max-width: 800px; padding: 0 20px; }
.hero h1 { font-size: 4rem; line-height: 1.1; margin-bottom: 1.5rem; color: var(--color-white); text-shadow: 0 4px 15px rgba(0,0,0,0.15);}
.hero h2 { text-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.hero p { font-size: 1.25rem; color: #E5E5E5; margin-bottom: 2.5rem; max-width: 500px; margin-inline: auto; font-weight: 300; text-shadow: 0 2px 4px rgba(0,0,0,0.3);}

/* Social Proof Bar */
.social-proof { padding: 40px 0; border-bottom: 1px solid rgba(0,0,0,0.04); }
.logos { display: flex; justify-content: center; align-items: center; gap: 30px; font-family: var(--font-heading); font-style: italic; color: var(--color-text-light); font-size: 1.2rem;}
.dot { font-size: 0.8rem; color: var(--color-primary); }

/* Accordion Services */
.accordion-container { max-width: 800px; margin: 0 auto; }
.accordion-item { border-bottom: 1px solid rgba(43, 43, 43, 0.1); margin-bottom: 10px; }
.accordion-header {
    width: 100%; text-align: left; background: none; border: none; padding: 24px 0;
    display: flex; justify-content: space-between; align-items: center; cursor: pointer;
    font-family: var(--font-heading); font-size: 1.6rem; color: var(--color-text); transition: var(--transition-smooth);
}
.accordion-header:hover { color: var(--color-primary); }
.accordion-header .icon { font-family: var(--font-body); font-weight: 300; font-size: 2rem; color: var(--color-primary); transition: transform 0.3s ease; }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.5s ease-in-out; }
.accordion-content.active { max-height: 600px; padding-bottom: 30px; }
.service-description { margin-bottom: 16px; color: var(--color-text-light); font-size: 1.05rem; line-height: 1.8;}
.urgency-text { font-size: 0.9rem; font-style: italic; color: #8A5A44; margin-bottom: 20px; font-family: var(--font-heading);}

/* Clinical Results Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}
.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(100, 70, 40, 0.08);
    transition: var(--transition-smooth);
}
.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(100, 70, 40, 0.15);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Testimonials Section */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 20px; }
.testimonial-card { 
    background-color: var(--color-bg-light); 
    padding: 40px 30px; 
    border-radius: 8px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.03); 
    transition: var(--transition-smooth); 
    display: flex; flex-direction: column; 
}
.testimonial-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
.stars { color: var(--color-primary); font-size: 1.2rem; margin-bottom: 20px; letter-spacing: 2px;}
.review-text { color: var(--color-text-light); font-size: 0.92rem; font-style: italic; line-height: 1.7; flex-grow: 1; margin-bottom: 25px;}
.review-author { color: var(--color-text); font-weight: 600; font-family: var(--font-heading); font-size: 1.1rem; border-top: 1px solid rgba(43,43,43,0.08); padding-top: 15px;}

/* Sticky WhatsApp CTA */
.whatsapp-float {
    position: fixed; bottom: 30px; right: 30px; width: 64px; height: 64px;
    background-color: #25D366; color: white; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35); z-index: 100;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.whatsapp-float.hidden { bottom: -100px; opacity: 0; pointer-events: none; }
.whatsapp-float:hover { transform: scale(1.08) translateY(-4px); box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5); }
.pulse { 
    position: absolute; width: 100%; height: 100%; background: inherit; 
    border-radius: inherit; z-index: -1; animation: whatsappPulse 2.5s infinite ease-out; 
}
@keyframes whatsappPulse { 
    0% { transform: scale(1); opacity: 0.6; } 
    100% { transform: scale(1.6); opacity: 0; } 
}

/* Footer Section */
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.footer h3 { font-size: 2.2rem; margin-bottom: 1.2rem; color: var(--color-primary); }
.footer p { color: #A8AAAC; margin-bottom: 1rem; font-weight: 300; }
.footer .address p { color: var(--color-white); font-weight: 400;}
.map-placeholder { 
    width: 100%; height: 300px; background: rgba(255,255,255,0.03); 
    display: flex; align-items: center; justify-content: center; 
    border-radius: 4px; border: 1px dashed rgba(255,255,255,0.15); 
    color: var(--color-text-light); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 2px;
}

/* About Section */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-image { position: relative; margin-right: 20px;}
.about-image::before { 
    content: ''; position: absolute; top: 20px; left: -20px; width: 100%; height: 100%; 
    border: 1px solid var(--color-primary); z-index: 0;
}
.profile-img { 
    width: 100%; aspect-ratio: 4/5; object-fit: cover; 
    position: relative; z-index: 1; box-shadow: 0 15px 40px rgba(0,0,0,0.08); 
}

/* Base Animations */
.fade-up { opacity: 0; transform: translateY(40px); transition: var(--transition-smooth); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.fade-in { opacity: 0; transition: var(--transition-smooth); }
.fade-in.visible { opacity: 1; }

/* Responsive Constraints */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.8rem; }
    .hero p { font-size: 1.1rem; }
    .section-title { font-size: 2rem; margin-bottom: 2rem;}
    .accordion-header { font-size: 1.3rem; padding: 18px 0;}
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .image-comparison { aspect-ratio: 1/1.2; }
    .whatsapp-float { bottom: 20px; right: 20px; width: 56px; height: 56px; }
    .logos { flex-wrap: wrap; gap: 15px; }
    
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .about-image { margin-left: 20px; margin-right: 0;}
    .gallery-grid { grid-template-columns: 1fr; gap: 20px; }
    .testimonials-grid { grid-template-columns: 1fr; gap: 20px; }
}