/* ==========================================================================
   Auren Odontologia — Design tokens
   ========================================================================== */
:root{
  --color-primary:   #1C1C1A;
  --color-secondary: #F2EDE4;
  --color-accent:    #B08D57;
  --color-accent-dark: #8f7141;
  --color-white:     #FFFFFF;
  --color-ink-soft:  #4A4A46;
  --color-border:    #E3DCCC;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container-w: 1180px;
  --radius: 2px;
  --shadow-soft: 0 12px 32px -12px rgba(28,28,26,0.18);
  --transition: 220ms ease;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; overflow-x: hidden; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-heading); font-weight:500; line-height:1.2; margin:0 0 .5em; color: var(--color-primary); }
p{ margin:0 0 1em; }
button{ font:inherit; background:none; border:none; cursor:pointer; }
address{ font-style:normal; }
iframe{ border:0; }

.skip-link{
  position:absolute; left:-999px; top:0; z-index:1000;
  background: var(--color-primary); color:#fff; padding: .75em 1.2em;
}
.skip-link:focus{ left: 1em; top: 1em; }

.container{
  width:100%;
  max-width: var(--container-w);
  margin-inline:auto;
  padding-inline: 1.25rem;
}

@media(min-width:768px){
  .container{ padding-inline: 2.5rem; }
}

.eyebrow{
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .72rem;
  color: var(--color-accent);
  font-weight:600;
  margin: 0 0 .9em;
}
.eyebrow.center{ text-align:center; }

.section-title{ font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.section-title.center{ text-align:center; }
.section-sub{
  color: var(--color-ink-soft);
  max-width: 560px;
  font-size: 1rem;
}
.section-sub.center{ margin-inline:auto; text-align:center; }

section{ padding: clamp(3.5rem, 7vw, 6.5rem) 0; }

/* Reveal-on-scroll */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: .95em 1.9em;
  font-size: .92rem;
  font-weight:500;
  letter-spacing:.02em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-cta{
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-cta:hover{ background: var(--color-accent-dark); }
.btn-outline{
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover{ background: var(--color-primary); color: var(--color-white); }
.btn-lg{ padding: 1.1em 2.6em; font-size: 1rem; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: sticky; top:0; z-index: 500;
  background: var(--color-secondary);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled{
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 18px -8px rgba(28,28,26,0.12);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-block: 1rem;
  gap: 1rem;
}
.logo{ display:flex; align-items:center; gap:.6rem; }
.logo-mark{
  font-family: var(--font-heading);
  font-size: 1.5rem;
  border: 1px solid var(--color-primary);
  width: 2.1rem; height: 2.1rem;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%;
  flex-shrink:0;
}
.logo-word{ font-family: var(--font-heading); font-size: 1.15rem; letter-spacing:.02em; line-height:1.1; }
.logo-sub{ display:block; font-family: var(--font-body); font-size:.58rem; letter-spacing:.22em; text-transform:uppercase; color: var(--color-ink-soft); margin-top:.15em; }

.main-nav ul{ display:flex; gap: 2rem; }
.main-nav a{ font-size:.9rem; position:relative; padding-block:.2rem; }
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:1px;
  background: var(--color-accent); transform: scaleX(0); transform-origin:left;
  transition: transform var(--transition);
}
.main-nav a:hover::after{ transform: scaleX(1); }

.header-cta{ flex-shrink:0; }

.nav-toggle{
  display:flex; flex-direction:column; gap:5px; padding:.4rem;
  width:2.4rem; height:2.4rem; align-items:center; justify-content:center;
}
.nav-toggle span{ display:block; width:22px; height:1px; background: var(--color-primary); transition: transform var(--transition), opacity var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

@media(max-width: 900px){
  .header-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .main-nav{
    position:fixed; inset: 0 0 0 30%;
    background: var(--color-primary);
    transform: translateX(100%);
    transition: transform 320ms ease;
    display:flex; align-items:center; padding: 2rem;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav ul{ flex-direction:column; gap: 1.6rem; }
  .main-nav a{ color: var(--color-secondary); font-family: var(--font-heading); font-size:1.3rem; }
}
@media(min-width:901px){
  .nav-toggle{ display:none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{ padding-top: clamp(2.5rem, 6vw, 5rem); }
.hero-inner{
  display:grid; gap: 2.5rem; align-items:center;
}
@media(min-width: 900px){
  .hero-inner{ grid-template-columns: 1.05fr 1fr; gap: 3.5rem; }
}
.hero h1{ font-size: clamp(2.3rem, 5.4vw, 3.6rem); }
.hero-sub{ font-size: 1.05rem; color: var(--color-ink-soft); max-width: 46ch; }
.hero-actions{ display:flex; flex-wrap:wrap; gap: 1rem; margin-top: 1.6rem; }

/* ==========================================================================
   Photo placeholders
   ========================================================================== */
.photo-placeholder{
  position:relative;
  background:
    linear-gradient(135deg, #2b2b28 0%, #1C1C1A 55%, #3a352c 100%);
  color: var(--color-secondary);
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  overflow:hidden;
  border-radius: var(--radius);
}
.photo-placeholder .ph-frame{
  position:absolute; inset: 10px;
  border: 1px solid rgba(242,237,228,0.35);
  pointer-events:none;
}
.photo-placeholder .ph-label{
  font-family: var(--font-heading);
  font-style: italic;
  font-size: .95rem;
  color: rgba(242,237,228,0.75);
  padding: 1rem;
  line-height:1.5;
}
.photo-hero{ aspect-ratio: 4/5; box-shadow: var(--shadow-soft); }
.photo-portrait{ aspect-ratio: 3/4; box-shadow: var(--shadow-soft); }

.ph-tag{
  position:absolute; top:12px; left:12px;
  font-size:.68rem; text-transform:uppercase; letter-spacing:.14em;
  background: rgba(242,237,228,0.9); color: var(--color-primary);
  padding: .35em .8em;
}

/* ==========================================================================
   Trust bar
   ========================================================================== */
.trust-bar{
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 2.4rem 0;
}
.trust-grid{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem;
  text-align:center;
}
@media(min-width:700px){
  .trust-grid{ grid-template-columns: repeat(4, 1fr); }
}
.trust-number{
  display:block; font-family: var(--font-heading); font-size: 1.9rem; color: var(--color-accent);
}
.trust-label{ display:block; font-size:.78rem; color: rgba(242,237,228,0.75); margin-top:.35rem; letter-spacing:.01em; }

/* ==========================================================================
   Services
   ========================================================================== */
.services-grid{
  display:grid; gap: 1.6rem; margin-top: 3rem;
  grid-template-columns: 1fr;
}
@media(min-width:700px){
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media(min-width:1050px){
  .services-grid{ grid-template-columns: repeat(4, 1fr); }
  .service-card--featured{ grid-column: span 2; grid-row: span 1; }
}

.service-card{
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 2.2rem 1.8rem;
  position:relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-soft); }

.service-card--featured{
  background: var(--color-primary);
  color: var(--color-secondary);
  border-color: var(--color-primary);
}
.service-card--featured h3, .service-card--featured p{ color: var(--color-secondary); }
.service-card--featured .service-icon{ color: var(--color-accent); }

.badge-especialidade{
  position:absolute; top: 1.3rem; right: 1.3rem;
  font-size:.65rem; text-transform:uppercase; letter-spacing:.12em;
  color: var(--color-accent); border: 1px solid var(--color-accent);
  padding: .3em .75em;
}

.service-icon{ color: var(--color-accent); width: 2.6rem; height:2.6rem; margin-bottom: 1.1rem; }
.service-icon svg{ width:100%; height:100%; }
.service-card h3{ font-size: 1.15rem; margin-bottom:.5em; }
.service-card p{ font-size:.92rem; color: var(--color-ink-soft); margin-bottom:0; }
.service-card--featured p{ color: rgba(242,237,228,0.8); }

/* ==========================================================================
   About
   ========================================================================== */
.about-inner{
  display:grid; gap: 2.5rem; align-items:center;
}
@media(min-width:900px){
  .about-inner{ grid-template-columns: 0.8fr 1.2fr; gap: 4rem; }
}
.about-lead{ font-size: 1.1rem; font-family: var(--font-heading); font-style:italic; color: var(--color-primary); }
.about-text p{ color: var(--color-ink-soft); }
.credentials{ margin-top: 1.4rem; border-top: 1px solid var(--color-border); padding-top: 1.2rem; }
.credentials li{
  padding: .5em 0; font-size: .92rem; position:relative; padding-left: 1.3em;
  color: var(--color-primary);
}
.credentials li::before{ content:"—"; position:absolute; left:0; color: var(--color-accent); }

/* ==========================================================================
   Differentials
   ========================================================================== */
.differentials{ background: var(--color-white); }
.differentials-grid{
  display:grid; gap: 2.2rem; margin-top: 3rem;
  grid-template-columns: 1fr;
}
@media(min-width:700px){
  .differentials-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media(min-width:1050px){
  .differentials-grid{ grid-template-columns: repeat(4, 1fr); }
}
.diff-item{ text-align:center; padding: 0 .5rem; }
.diff-icon{ color: var(--color-accent); width: 2.4rem; height:2.4rem; margin: 0 auto 1rem; }
.diff-icon svg{ width:100%; height:100%; }
.diff-item h3{ font-size: 1rem; margin-bottom:.5em; }
.diff-item p{ font-size:.88rem; color: var(--color-ink-soft); margin-bottom:0; }

/* ==========================================================================
   Gallery — antes/depois
   ========================================================================== */
.ba-grid{
  display:grid; gap: 1.8rem; margin-top: 3rem;
  grid-template-columns: 1fr;
}
@media(min-width:800px){
  .ba-grid{ grid-template-columns: repeat(3, 1fr); }
}
.ba-pair{ display:grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.ba-photo{ aspect-ratio: 3/4; }
.ba-photo--after{ background: linear-gradient(135deg, #3a352c 0%, #1C1C1A 55%, #26221c 100%); }
.gallery-disclaimer{
  text-align:center; font-size: .8rem; color: var(--color-ink-soft);
  max-width: 640px; margin: 2.4rem auto 0; font-style: italic;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials{ background: var(--color-primary); color: var(--color-secondary); }
.testimonials .eyebrow{ color: var(--color-accent); }
.testimonials .section-title{ color: var(--color-secondary); }

.testimonials-grid{
  display:grid; gap: 1.8rem; margin-top: 3rem;
  grid-template-columns: 1fr;
}
@media(min-width:800px){
  .testimonials-grid{ grid-template-columns: repeat(3, 1fr); }
}
.testimonial-card{
  border: 1px solid rgba(242,237,228,0.18);
  padding: 2rem 1.7rem;
  margin:0;
}
.stars{ color: var(--color-accent); letter-spacing:.15em; font-size:.9rem; margin-bottom: 1rem; }
.testimonial-card blockquote{
  margin: 0 0 1.2rem; font-family: var(--font-heading); font-style:italic;
  font-size: 1.02rem; line-height:1.6; color: var(--color-secondary);
}
.testimonial-card figcaption{ font-size:.82rem; color: rgba(242,237,228,0.65); }

/* ==========================================================================
   Location
   ========================================================================== */
.location-inner{
  display:grid; gap: 2.5rem; align-items:center;
}
@media(min-width:900px){
  .location-inner{ grid-template-columns: 0.9fr 1.1fr; gap:3.5rem; }
}
.location-info address{ font-size: 1.05rem; margin-bottom: 1.2rem; }
.location-hours{ margin-bottom: 1.6rem; }
.location-map iframe{ width:100%; aspect-ratio: 4/3; box-shadow: var(--shadow-soft); }

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta{
  background: var(--color-primary);
  color: var(--color-secondary);
  text-align:center;
}
.final-cta h2{ color: var(--color-secondary); font-size: clamp(1.7rem, 3.6vw, 2.6rem); max-width: 18ch; margin-inline:auto; }
.final-cta p{ color: rgba(242,237,228,0.75); max-width: 42ch; margin: 0 auto 2rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: #151512; color: rgba(242,237,228,0.8); padding-top: 4rem; }
.footer-grid{
  display:grid; gap: 2.4rem;
  grid-template-columns: 1fr;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(242,237,228,0.12);
}
@media(min-width:700px){
  .footer-grid{ grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer-brand p{ margin-top: 1rem; font-size:.88rem; }
.logo-footer .logo-mark{ border-color: var(--color-accent); color: var(--color-secondary); }
.logo-footer .logo-word{ color: var(--color-secondary); }
.footer-links h3, .footer-contact h3, .footer-social h3{
  font-family: var(--font-body); font-size:.75rem; text-transform:uppercase;
  letter-spacing:.14em; color: var(--color-accent); margin-bottom: 1.1rem;
}
.footer-links li{ margin-bottom:.6rem; }
.footer-links a:hover, .footer-contact a:hover, .footer-social a:hover{ color: var(--color-accent); }
.footer-contact p{ font-size:.88rem; margin-bottom: .8rem; }
.footer-social a{ font-size:.88rem; }

.footer-bottom{
  padding-block: 1.6rem;
  display:flex; flex-direction:column; gap:.5rem;
  font-size:.78rem; color: rgba(242,237,228,0.5);
}
@media(min-width:700px){
  .footer-bottom{ flex-direction:row; justify-content:space-between; }
}
.legal{ max-width: 46ch; }

/* ==========================================================================
   WhatsApp floating button
   ========================================================================== */
.whatsapp-float{
  position: fixed;
  right: 1.4rem; bottom: 1.4rem;
  width: 3.2rem; height: 3.2rem;
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 8px 22px -6px rgba(0,0,0,0.4);
  z-index: 400;
  transition: transform var(--transition), background var(--transition);
}
.whatsapp-float:hover{ background: var(--color-accent); color: var(--color-primary); transform: translateY(-2px); }
.whatsapp-float svg{ width: 1.6rem; height: 1.6rem; }

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ transition:none; opacity:1; transform:none; }
}