/* ===========================================================
   style.css — Site Dra. Vânia Costa Leite
   Paleta: teal/cyan escuro (--color-primary) + azul claro + branco
   =========================================================== */

:root{
  --color-primary: #0B4A55;
  --color-primary-dark: #06333B;
  --color-accent: #12A9A5;
  --color-secondary-bg: #EAF7F8;
  --color-text: #16262B;
  --color-text-light: #4B6169;
  --color-white: #FFFFFF;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 20px 60px rgba(6,51,59,.12);
  --shadow-card: 0 12px 30px rgba(6,51,59,.08);
  --container: 1180px;
  --header-h: 84px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: var(--color-primary); text-decoration: none; transition: color .25s ease; }
a:hover{ color: var(--color-accent); }
h1,h2,h3,h4{ font-family: var(--font-heading); color: var(--color-primary-dark); margin: 0 0 .5em; line-height: 1.15; text-wrap: pretty; }
p{ margin: 0 0 1em; text-wrap: pretty; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }

.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section{ padding: 96px 0; position: relative; }
.section > .container{ position: relative; z-index: 1; }
.section-bg-alt{ background: var(--color-secondary-bg); }

/* ---------------- Tema escuro (seções alternadas) ---------------- */
.section.bg-dark{
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: rgba(255,255,255,.85);
  overflow: hidden;
}
.section.bg-dark h2, .section.bg-dark h3{ color: #fff; }
.section.bg-dark .section-head p{ color: rgba(255,255,255,.68); }
.section.bg-dark .eyebrow{ background: rgba(255,255,255,.14); color: #8FE9E4; }
.section.bg-dark .btn-outline{ color: #fff; border-color: rgba(255,255,255,.5); }
.section.bg-dark .btn-outline:hover{ background: #fff; color: var(--color-primary-dark); }
.section.bg-dark .symptom-item{ background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.section.bg-dark .symptom-item span{ color: #fff; }
.section.bg-dark .symptom-item svg{ color: #8FE9E4; }
.section.bg-dark .contact-info-card{ background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }
.section.bg-dark .contact-info-row strong{ color: #fff; }
.section.bg-dark .contact-info-row p, .section.bg-dark .contact-info-row a{ color: rgba(255,255,255,.68); }
.section.bg-dark .contact-info-row a:hover{ color: #fff; }
.section.bg-dark .contact-map{ box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.section.bg-dark .blog-card{ color: var(--color-text); }
.section.bg-dark .blog-card h3{ color: var(--color-primary-dark); }
.section.bg-dark .blog-card p{ color: var(--color-text-light); }

/* ---------------- Elementos decorativos animados (fundo gastro) ---------------- */
.bg-decor{ position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.decor-item{ position: absolute; will-change: transform; }
.decor-item svg{ width: 100%; height: 100%; display: block; }
.decor-item-inner{ display: block; animation: decorFloat 8s ease-in-out infinite; }
.decor-item--a{ top: -50px; left: -40px; width: 220px; height: 220px; }
.decor-item--b{ top: 12%; right: -60px; width: 260px; height: 260px; }
.decor-item--c{ bottom: -40px; left: 10%; width: 180px; height: 180px; }
.decor-item--d{ bottom: 6%; right: 6%; width: 150px; height: 150px; }
.decor-item--e{ top: 42%; left: 46%; width: 130px; height: 130px; }
.decor-item--b .decor-item-inner{ animation-duration: 10s; animation-delay: .5s; }
.decor-item--c .decor-item-inner{ animation-duration: 7s; animation-delay: 1s; }
.decor-item--d .decor-item-inner{ animation-duration: 9s; animation-delay: .3s; }
.decor-item--e .decor-item-inner{ animation-duration: 11s; animation-delay: .8s; }
@keyframes decorFloat{ 0%,100%{ transform: translateY(0) rotate(0deg); } 50%{ transform: translateY(-22px) rotate(8deg); } }
.bg-dark .decor-item, .hero .decor-item{ color: rgba(255,255,255,.09); }
.section:not(.bg-dark) .decor-item{ color: rgba(11,74,85,.055); }
.section-head{ max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head h2{ font-size: clamp(28px, 4vw, 40px); font-weight: 800; }
.section-head p{ font-size: 18px; color: var(--color-text-light); margin-bottom: 0; }
.eyebrow{
  display: inline-flex; align-items: center; gap: 8px;
  font: 700 12.5px var(--font-heading); letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-accent); background: rgba(18,169,165,.1);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 18px;
}

/* ---------------- Buttons ---------------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 700 16px var(--font-heading);
  padding: 16px 30px; border-radius: 999px; border: none;
  cursor: pointer; text-align: center; white-space: nowrap;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, background .3s ease;
  will-change: transform;
}
.btn:active{ transform: scale(.96); }
.btn-primary{
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff; box-shadow: 0 14px 34px rgba(18,169,165,.35);
  animation: btnPulse 2.8s ease-in-out infinite;
}
.btn-primary:hover{ transform: translateY(-3px) scale(1.03); box-shadow: 0 20px 44px rgba(18,169,165,.45); color: #fff; animation-play-state: paused; }
@keyframes btnPulse{
  0%, 100%{ box-shadow: 0 14px 34px rgba(18,169,165,.35), 0 0 0 0 rgba(18,169,165,.4); }
  50%{ box-shadow: 0 14px 34px rgba(18,169,165,.35), 0 0 0 12px rgba(18,169,165,0); }
}
.btn-outline{
  background: transparent; color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover{ background: var(--color-primary); color: #fff; transform: translateY(-3px); }
.btn-light{ background: #fff; color: var(--color-primary); box-shadow: var(--shadow-card); }
.btn-light:hover{ transform: translateY(-3px); color: var(--color-primary); box-shadow: 0 18px 40px rgba(6,51,59,.16); }
.btn-block{ width: 100%; }

/* ---------------- Header ---------------- */
.site-header{
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid rgba(11,74,85,.08);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.is-scrolled{ background: rgba(255,255,255,.92); box-shadow: 0 8px 30px rgba(6,51,59,.08); }
.header-inner{
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.header-brand{ display: flex; align-items: center; gap: 12px; }
.header-photo{
  width: 52px; height: 52px; border-radius: 50%; object-fit: cover;
  border: 2px solid var(--color-accent); flex-shrink: 0;
}
.header-photo--placeholder{
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary); color: #fff; font: 700 15px var(--font-heading);
}
.header-brand-text{ display: flex; flex-direction: column; line-height: 1.25; }
.header-brand-text strong{ font: 700 16px var(--font-heading); color: var(--color-primary-dark); }
.header-brand-text small{ font-size: 12.5px; color: var(--color-text-light); }

.main-nav{ display: flex; align-items: center; gap: 30px; }
.nav-link{ display: flex; align-items: center; gap: 8px; font: 600 15px var(--font-body); color: var(--color-text); position: relative; }
.nav-link svg{ display: none; }
.nav-link::after{
  content: ''; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--color-accent); transition: width .3s ease;
}
.nav-link:hover, .nav-link.is-active{ color: var(--color-primary); }
.nav-link:hover::after, .nav-link.is-active::after{ width: 100%; }
.nav-cta{ padding: 12px 24px; font-size: 14.5px; }
.nav-toggle{ display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; background: none; border: none; }
.nav-toggle span{ width: 24px; height: 2px; background: var(--color-primary-dark); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }
.nav-close{ display: none; }
.nav-mobile-head{ display: none; }
.mobile-nav-backdrop{ position: fixed; inset: 0; background: rgba(6,51,59,.55); backdrop-filter: blur(2px); opacity: 0; pointer-events: none; transition: opacity .35s ease; z-index: 400; }
.mobile-nav-backdrop.is-visible{ opacity: 1; pointer-events: auto; }

/* ---------------- Hero (fundo escuro, 1ª dobra) ---------------- */
.hero{
  position: relative; padding: calc(var(--header-h) + 56px) 0 80px;
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-accent) 145%);
  color: rgba(255,255,255,.9);
  overflow: hidden;
}
.hero-inner{
  position: relative; z-index: 1;
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center;
}
.hero-copy .eyebrow{ margin-bottom: 20px; background: rgba(255,255,255,.14); color: #8FE9E4; }
.hero-copy h1{ font-size: clamp(34px, 4.6vw, 52px); font-weight: 800; color: #fff; }
.hero-copy h2{
  font-family: var(--font-body); font-weight: 500; font-size: clamp(17px, 2vw, 20px);
  color: rgba(255,255,255,.72); margin-bottom: 34px;
}
.typing-cursor{ display:inline-block; width:3px; height:.9em; background:currentColor; margin-left:3px; vertical-align:-0.12em; animation: typingBlink 1s step-start infinite; }
@keyframes typingBlink{ 50%{ opacity:0; } }
.hero-cta-row{ display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 34px; }
.hero-credentials{ display: flex; flex-wrap: wrap; gap: 14px; }
.credential-pill{
  display: flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.1); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2);
  padding: 10px 18px; border-radius: 999px; font: 600 13.5px var(--font-body); color: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .3s cubic-bezier(.2,.8,.2,1), background .3s ease;
}
.credential-pill svg{ color: #8FE9E4; flex-shrink: 0; }
.credential-pill:hover{ transform: translateY(-3px) scale(1.04); background: rgba(255,255,255,.18); }
.hero .btn-outline{ color: #fff; border-color: rgba(255,255,255,.5); }
.hero .btn-outline:hover{ background: #fff; color: var(--color-primary-dark); }

.hero-visual{ position: relative; display: flex; justify-content: center; }
.hero-visual-frame{ position: relative; width: 100%; max-width: 460px; aspect-ratio: 4/5; }
.hero-visual-glow{
  position: absolute; inset: -10%; border-radius: 50%;
  background: radial-gradient(circle, rgba(18,169,165,.25), transparent 70%);
  filter: blur(10px); z-index: 0;
}
.hero-photo{
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: top center; z-index: 1;
  -webkit-mask-image: linear-gradient(180deg, #000 78%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 78%, transparent 100%);
}
.hero-photo--placeholder{
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: rgba(255,255,255,.08); border: 1px dashed rgba(255,255,255,.3);
  color: #fff; font: 600 15px var(--font-body); padding: 20px; border-radius: var(--radius-lg);
}
.hero-visual-frame{ animation: heroFloat 6s ease-in-out infinite; }
@keyframes heroFloat{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-16px); } }
.hero-visual-glow{ animation: glowPulse 4.5s ease-in-out infinite; }
@keyframes glowPulse{ 0%,100%{ opacity:.6; transform: scale(1); } 50%{ opacity:1; transform: scale(1.08); } }

/* ---------------- Page banner (páginas internas) ---------------- */
.page-banner{
  padding: calc(var(--header-h) + 64px) 0 60px;
  text-align: center;
  background:
    radial-gradient(720px 420px at 85% -10%, rgba(18,169,165,.14), transparent 65%),
    linear-gradient(180deg, var(--color-secondary-bg) 0%, #fff 100%);
}
.page-banner h1{ font-size: clamp(30px, 4.4vw, 46px); }
.page-banner p{ max-width: 640px; margin: 0 auto; color: var(--color-text-light); font-size: 17.5px; }

/* ---------------- Services ---------------- */
.services-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.service-card{
  background: linear-gradient(165deg, #fff 0%, var(--color-secondary-bg) 145%);
  border-radius: var(--radius-md); padding: 34px 26px;
  box-shadow: var(--shadow-card); border: 1px solid rgba(11,74,85,.06);
  transition: transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s ease;
}
.service-card:hover{ transform: translateY(-10px) scale(1.02); box-shadow: var(--shadow-soft); }
.service-icon{
  width: 60px; height: 60px; border-radius: 18px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary)); color: #fff;
  margin-bottom: 20px;
  animation: iconFloat 3.6s ease-in-out infinite;
}
.service-card:nth-child(2n) .service-icon{ animation-delay: .4s; }
.service-card:nth-child(3n) .service-icon{ animation-delay: .8s; }
@keyframes iconFloat{ 0%,100%{ transform: translateY(0) rotate(0deg); } 50%{ transform: translateY(-7px) rotate(-6deg); } }
.service-card:hover .service-icon{ animation-play-state: paused; transform: scale(1.15) rotate(8deg); }
.service-card h3{ font-size: 19px; margin-bottom: 10px; }
.service-card p{ color: var(--color-text-light); font-size: 15px; margin-bottom: 0; }
.services-cta{ text-align: center; margin-top: 48px; }

/* ---------------- Symptoms ---------------- */
.symptoms-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 32px; max-width: 900px; margin: 0 auto 44px; }
.symptom-item{
  display: flex; align-items: flex-start; gap: 14px;
  background: #fff; padding: 18px 20px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, background .3s ease;
}
.symptom-item:hover{ transform: translateY(-5px) scale(1.02); box-shadow: var(--shadow-soft); }
.symptom-item svg{ color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.symptom-item span{ font-weight: 500; }
.symptoms-cta{ text-align: center; }

/* ---------------- About ---------------- */
.about-grid{ display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.about-image-wrap{ position: relative; }
.about-image-wrap img{ border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.about-image-wrap .img-placeholder{ aspect-ratio: 4/5; border-radius: var(--radius-lg); }
.about-copy .btn{ margin-top: 8px; }
.credentials-card{
  margin-top: 30px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  background: rgba(234,247,248,.6); backdrop-filter: blur(14px);
  border: 1px solid rgba(11,74,85,.1); border-radius: var(--radius-md);
  padding: 26px;
}
.credential-line{ display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14.5px; color: var(--color-primary-dark); }
.credential-line svg{ color: var(--color-accent); flex-shrink: 0; }

/* ---------------- Contact ---------------- */
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; }
.contact-map{ border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-soft); min-height: 380px; }
.contact-map iframe{ width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }
.contact-info-card{
  background: rgba(255,255,255,.75); backdrop-filter: blur(16px);
  border: 1px solid rgba(11,74,85,.1); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column; justify-content: center; gap: 22px;
}
.contact-info-row{ display: flex; align-items: flex-start; gap: 16px; }
.contact-info-row svg{ color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }
.contact-info-row strong{ display: block; font-size: 15px; margin-bottom: 2px; }
.contact-info-row p, .contact-info-row a{ margin: 0; color: var(--color-text-light); font-size: 15px; }
.contact-final-cta{
  margin-top: 60px; text-align: center; padding: 60px 40px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff; box-shadow: var(--shadow-soft);
}
.contact-final-cta h3{ color: #fff; font-size: clamp(24px, 3vw, 32px); }
.contact-final-cta p{ color: rgba(255,255,255,.82); font-size: 17px; max-width: 560px; margin: 0 auto 28px; }

/* ---------------- Instagram ---------------- */
.instagram-card{
  max-width: 860px; margin: 0 auto; background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft); padding: 44px; border: 1px solid rgba(11,74,85,.06);
}
.instagram-profile{ display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.instagram-avatar-wrap{ flex-shrink: 0; }
.instagram-avatar{
  width: 112px; height: 112px; border-radius: 50%; object-fit: cover; display: block;
  border: 4px solid transparent;
  background: linear-gradient(#fff,#fff) padding-box, linear-gradient(135deg,#f9ce34,#ee2a7b,#6228d7) border-box;
}
.instagram-avatar--placeholder{
  display: flex; align-items: center; justify-content: center; color: #fff;
  font: 700 32px var(--font-heading); background: linear-gradient(135deg,#f9ce34,#ee2a7b,#6228d7);
}
.instagram-info{ flex: 1; min-width: 240px; }
.instagram-handle{ display: flex; align-items: center; gap: 8px; font: 700 21px var(--font-heading); color: var(--color-primary-dark); }
.instagram-handle svg{ color: #ee2a7b; }
.instagram-name{ color: var(--color-text-light); font-size: 14.5px; margin: 2px 0 14px; }
.instagram-stats{ display: flex; gap: 30px; margin: 14px 0; }
.instagram-stats strong{ display: block; font-size: 19px; color: var(--color-primary-dark); }
.instagram-stats span{ font-size: 12.5px; color: var(--color-text-light); text-transform: uppercase; letter-spacing: .03em; }
.instagram-bio{ font-size: 14.5px; color: var(--color-text); white-space: pre-line; margin-bottom: 0; max-width: 480px; }
.instagram-actions{ display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.instagram-actions .btn{ padding: 11px 22px; font-size: 14px; animation: none; }
.instagram-btn-follow{
  background: linear-gradient(135deg,#f9ce34,#ee2a7b,#6228d7); color: #fff;
  box-shadow: 0 12px 28px rgba(238,42,123,.32);
}
.instagram-btn-follow:hover{ transform: translateY(-3px) scale(1.03); color: #fff; }
.instagram-btn-icon{
  width: 44px; height: 44px; padding: 0; border-radius: 50%;
  background: var(--color-secondary-bg); color: var(--color-primary);
  display: inline-flex; align-items: center; justify-content: center;
}
.instagram-btn-icon:hover{ background: var(--color-primary); color: #fff; transform: translateY(-3px) scale(1.08); }
.instagram-feed{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 36px; }
.instagram-post{ position: relative; aspect-ratio: 1/1; border-radius: 12px; overflow: hidden; display: block; background: var(--color-secondary-bg); }
.instagram-post img{ width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; display: block; }
.instagram-post:hover img{ transform: scale(1.1); }
.instagram-post::after{ content: ''; position: absolute; inset: 0; background: rgba(6,51,59,0); transition: background .3s ease; }
.instagram-post:hover::after{ background: rgba(6,51,59,.18); }
.instagram-post-icon{ position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; color: #fff; transition: opacity .3s ease; }
.instagram-post:hover .instagram-post-icon{ opacity: 1; }
.instagram-empty{ text-align: center; color: var(--color-text-light); padding: 30px 0 0; font-size: 14px; }

@media (max-width: 640px){
  .instagram-card{ padding: 30px 18px; border-radius: var(--radius-md); }
  .instagram-profile{ flex-direction: column; text-align: center; align-items: center; }
  .instagram-stats{ justify-content: center; }
  .instagram-bio{ margin: 0 auto; text-align: center; }
  .instagram-actions{ justify-content: center; width: 100%; }
  .instagram-actions .btn:not(.instagram-btn-icon){ flex: 1; min-width: 130px; }
  .instagram-feed{ grid-template-columns: repeat(3, 1fr); gap: 3px; margin-top: 26px; }
  .instagram-post{ border-radius: 0; }
}

/* Contact form (contato.php) */
.contact-form{ display: grid; gap: 16px; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field{ display: flex; flex-direction: column; gap: 8px; }
.form-field label{ font: 600 13.5px var(--font-body); color: var(--color-primary-dark); }
.form-field input, .form-field textarea{
  border: 1.5px solid rgba(11,74,85,.16); border-radius: var(--radius-sm);
  padding: 14px 16px; font: 500 15px var(--font-body); color: var(--color-text);
  background: #fff; transition: border-color .25s ease, box-shadow .25s ease;
}
.form-field input:focus, .form-field textarea:focus{
  outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px rgba(18,169,165,.14);
}
.form-alert{ padding: 16px 20px; border-radius: var(--radius-sm); font-weight: 600; margin-bottom: 22px; }
.form-alert--success{ background: rgba(18,169,165,.12); color: var(--color-primary-dark); }
.form-alert--error{ background: rgba(200,60,60,.1); color: #a02f2f; }

/* ---------------- Blog ---------------- */
.blog-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.blog-card{
  background: #fff; border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-card); transition: transform .4s ease, box-shadow .4s ease;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit; cursor: pointer;
}
.blog-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-soft); color: inherit; }
.blog-card-image{ aspect-ratio: 16/10; background: var(--color-secondary-bg); overflow: hidden; }
.blog-card-image img{ width: 100%; height: 100%; object-fit: cover; }
.blog-card-body{ padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-card-date{ font: 600 12.5px var(--font-body); color: var(--color-accent); text-transform: uppercase; letter-spacing: .05em; }
.blog-card h3{ font-size: 19px; margin-bottom: 4px; }
.blog-card p{ color: var(--color-text-light); font-size: 14.5px; flex: 1; }
.blog-card-link{ font: 700 14px var(--font-heading); color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; }
.blog-empty{ text-align: center; color: var(--color-text-light); padding: 60px 0; }

.blog-post-header{ text-align: center; max-width: 780px; margin: 0 auto 40px; }
.blog-post-header .blog-card-date{ display: block; margin-bottom: 14px; }
.blog-post-cover{ border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-soft); margin-bottom: 44px; max-height: 460px; }
.blog-post-cover img{ width: 100%; height: 100%; object-fit: cover; }
.blog-post-content{ max-width: 720px; margin: 0 auto; font-size: 17.5px; color: var(--color-text); }
.blog-post-content p{ margin-bottom: 1.3em; }
.blog-back-link{ display: inline-flex; align-items: center; gap: 8px; font-weight: 700; margin-bottom: 30px; }
.blog-related{ margin-top: 80px; }

/* ---------------- Footer ---------------- */
.site-footer{ background: var(--color-primary-dark); color: rgba(255,255,255,.82); padding: 70px 0 0; }
.footer-inner{ max-width: var(--container); margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.footer-col h3{ color: #fff; font-size: 14.5px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 18px; }
.footer-col a{ display: block; color: rgba(255,255,255,.75); font-size: 15px; margin-bottom: 12px; }
.footer-col a:hover{ color: #fff; }
.footer-brand strong{ color: #fff; font: 700 19px var(--font-heading); display: block; margin-bottom: 8px; }
.footer-credentials{ font-size: 13.5px; color: rgba(255,255,255,.6); }
.footer-bottom{
  margin-top: 50px; border-top: 1px solid rgba(255,255,255,.12);
  padding: 24px 24px 30px; max-width: var(--container); margin-left: auto; margin-right: auto;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,.55);
}
.footer-disclaimer{ max-width: 640px; margin: 0; }
.footer-dev{ margin: 0; }
.footer-dev a{ color: rgba(255,255,255,.7); }

/* ---------------- Floating buttons ---------------- */
.whatsapp-float{
  position: fixed; right: 24px; bottom: 24px; z-index: 600;
  width: 62px; height: 62px; border-radius: 50%;
  background: #17c25c; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(23,194,92,.45);
  animation: wa-pulse 2.4s infinite;
}
.whatsapp-float:hover{ color: #fff; transform: scale(1.06); }
@keyframes wa-pulse{
  0%   { box-shadow: 0 0 0 0 rgba(23,194,92,.55), 0 12px 30px rgba(23,194,92,.45); }
  70%  { box-shadow: 0 0 0 16px rgba(23,194,92,0), 0 12px 30px rgba(23,194,92,.45); }
  100% { box-shadow: 0 0 0 0 rgba(23,194,92,0), 0 12px 30px rgba(23,194,92,.45); }
}
.back-to-top{
  position: fixed; right: 24px; bottom: 96px; z-index: 600;
  width: 48px; height: 48px; border-radius: 50%;
  background: #fff; color: var(--color-primary); border: 1px solid rgba(11,74,85,.12);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-card);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease;
}
.back-to-top.is-visible{ opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover{ background: var(--color-primary); color: #fff; }

/* ---------------- Mobile sticky CTA bar (thumb zone) ---------------- */
.mobile-cta-bar{ display: none; }

/* ---------------- Scroll reveal ---------------- */
.reveal{ opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
.reveal-delay-1.is-visible{ transition-delay: .1s; }
.reveal-delay-2.is-visible{ transition-delay: .2s; }
.reveal-delay-3.is-visible{ transition-delay: .3s; }

/* =========================================================== */
/* Responsive                                                   */
/* =========================================================== */
@media (max-width: 1024px){
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
  .hero-inner{ gap: 30px; }
  .about-grid{ grid-template-columns: 1fr; }
  .about-image-wrap{ max-width: 380px; margin: 0 auto; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 860px){
  :root{ --header-h: 72px; }
  .main-nav{
    position: fixed; inset: 0; width: 100%; height: 100vh; height: 100dvh; right: auto;
    background: linear-gradient(175deg, var(--color-primary-dark), var(--color-primary));
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 0; box-shadow: none;
    transform: translateX(100%);
    transition: transform .45s cubic-bezier(.2,.8,.2,1); overflow-y: auto;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .nav-mobile-head{
    display: flex; align-items: center; gap: 14px; padding: 26px 24px 22px;
    border-bottom: 1px solid rgba(255,255,255,.14); flex-shrink: 0;
  }
  .nav-mobile-head strong{ display: block; color: #fff; font: 700 15.5px var(--font-heading); }
  .nav-mobile-head small{ color: rgba(255,255,255,.6); font-size: 12px; }
  .nav-close{
    display: flex; align-items: center; justify-content: center; margin-left: auto;
    width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.12); border: none; color: #fff; flex-shrink: 0;
    transition: background .25s ease, transform .25s ease;
  }
  .nav-close:hover{ background: rgba(255,255,255,.24); transform: rotate(90deg); }
  .main-nav .nav-link{
    width: 100%; padding: 20px 28px; color: rgba(255,255,255,.85);
    border-bottom: 1px solid rgba(255,255,255,.08);
    font-size: 19px; font-weight: 700; opacity: 0; transform: translateX(24px);
    transition: opacity .4s ease, transform .4s ease, background .25s ease, color .25s ease;
  }
  .main-nav .nav-link svg{ width: 22px; height: 22px; }
  .main-nav .nav-link svg{ display: inline-flex; color: #8FE9E4; flex-shrink: 0; }
  .main-nav .nav-link::after{ display: none; }
  .main-nav .nav-link:hover{ background: rgba(255,255,255,.08); color: #fff; }
  .main-nav.is-open .nav-link{ opacity: 1; transform: translateX(0); }
  .main-nav.is-open .nav-link:nth-child(2){ transition-delay: .05s; }
  .main-nav.is-open .nav-link:nth-child(3){ transition-delay: .1s; }
  .main-nav.is-open .nav-link:nth-child(4){ transition-delay: .15s; }
  .main-nav.is-open .nav-link:nth-child(5){ transition-delay: .2s; }
  .main-nav.is-open .nav-link:nth-child(6){ transition-delay: .25s; }
  .nav-cta{ width: calc(100% - 56px); margin: 28px 28px; justify-content: center; padding: 18px 24px; font-size: 16px; }
  .nav-toggle{ display: flex; }
  .nav-toggle.is-active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-active span:nth-child(2){ opacity: 0; }
  .nav-toggle.is-active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .hero-inner{ grid-template-columns: 1fr; text-align: center; }
  .hero-copy .eyebrow, .hero-cta-row, .hero-credentials{ justify-content: center; }
  .hero-visual{ order: -1; margin-bottom: 10px; }
  .hero-visual-frame{ max-width: 320px; }

  .services-grid{ grid-template-columns: 1fr; }
  .symptoms-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; gap: 30px; }
  .blog-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }

  .section{ padding: 70px 0; }

  body{ padding-bottom: 78px; } /* espaço p/ barra fixa mobile */
  .mobile-cta-bar{
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 550;
    background: rgba(255,255,255,.92); backdrop-filter: blur(14px);
    border-top: 1px solid rgba(11,74,85,.1);
    padding: 12px 16px; padding-bottom: max(12px, env(safe-area-inset-bottom));
    gap: 10px;
  }
  .mobile-cta-bar .btn{ flex: 1; padding: 14px 10px; font-size: 14.5px; }
  .whatsapp-float{ bottom: 92px; width: 56px; height: 56px; }
  .back-to-top{ bottom: 158px; width: 44px; height: 44px; }
}

@media (max-width: 520px){
  .credentials-card{ grid-template-columns: 1fr; }
  .header-brand-text small{ display: none; }
}