:root {
  --cor-texto:            hsl(200 18% 18%);
  --cor-texto-suave:      hsl(212 15% 45%);
  --cor-destaque:         hsl(212 100% 44%);
  --cor-destaque-claro:   hsl(200 90% 55%);
  --cor-destaque-escuro:  hsl(212 100% 34%);
  --cor-borda:            hsl(212 20% 90%);

  --fundo-branco:  #ffffff;
  --fundo-tonal:   hsl(212 25% 95%);
  --fundo-escuro:  hsl(212 60% 12%);
  --fundo-hero:    hsl(212 80% 8%);
  --fundo-cta:     hsl(212 80% 10%);

  --fonte: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;

  --largura-max:   80rem;
  --raio:          .75rem;
  --altura-header: 72px;
  --espaco-secao:  5rem;

  --sombra-suave: 0 1px 3px rgb(0 0 0 / .06);
  --sombra-media: 0 10px 30px rgb(0 0 0 / .08);
  --sombra-forte: 0 20px 50px rgb(0 0 0 / .18);
}


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

html { scroll-behavior: smooth; scroll-padding-top: var(--altura-header); }

body {
  font-family: var(--fonte);
  color: var(--cor-texto);
  background: var(--fundo-branco);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

h1, h2, h3, h4 { line-height: 1.15; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.05rem; }

p { color: var(--cor-texto-suave); }

.container { width: 100%; max-width: var(--largura-max); margin-inline: auto; padding-inline: 1.5rem; }
.container.narrow, .narrow { max-width: 56rem; margin-inline: auto; }

.section { padding-block: var(--espaco-secao); }
.center  { text-align: center; }
.muted   { color: var(--cor-texto-suave); }

.bg-tonal  { background: var(--fundo-tonal); }
.bg-dark   { background: var(--fundo-escuro); }
.bg-cta    { background: var(--fundo-cta); }

.bg-dark,  .bg-cta  { color: #fff; }
.bg-dark h2, .bg-cta h2 { color: #fff; }
.bg-dark p,  .bg-cta p  { color: rgb(255 255 255 / .6); }

.accent-text {
  background-image: linear-gradient(135deg, var(--cor-destaque-claro), var(--cor-destaque));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.underlined { position: relative; padding-bottom: 1.25rem; }
.underlined::after {
  content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 54px; height: 3px; border-radius: 2px; background: var(--cor-destaque);
}

h2 + .subtitle { margin-top: .75rem; }
.section h2 + .grid,
.section h2 + .symptoms,
.section .subtitle + .grid,
.section .subtitle + .symptoms,
.section .subtitle + .carousel,
.section h2 + .faq,
.section .subtitle + .faq,
.section h2 + .table-wrap,
.section .subtitle + .table-wrap { margin-top: 3rem; }

.section .center .btn { margin-top: 2.5rem; }


.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .95rem 2.25rem;
  border: 0; border-radius: 999px;
  font: inherit; font-size: .9rem; font-weight: 700; letter-spacing: .02em;
  cursor: pointer; text-align: center;
  transition: transform .2s, box-shadow .2s, opacity .2s;
}
.btn:hover { transform: translateY(-2px); }

.btn-accent {
  background: linear-gradient(135deg, var(--cor-destaque-claro), var(--cor-destaque));
  color: #fff;
  box-shadow: 0 8px 24px hsl(212 100% 44% / .35);
}
.btn-accent:hover { box-shadow: 0 12px 30px hsl(212 100% 44% / .45); }

.btn-dark { background: var(--fundo-hero); color: #fff; }
.btn-dark:hover { box-shadow: var(--sombra-forte); }

.btn-sm { padding: .6rem 1.4rem; font-size: .82rem; }
.btn-lg { padding: 1.1rem 3rem; font-size: 1rem; }
.btn.full { width: 100%; margin-top: 1.75rem; }

.link-arrow { color: var(--cor-destaque); font-size: .9rem; font-weight: 500; }
.link-arrow:hover { text-decoration: underline; }


.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  background: transparent;
  transition: background .3s, box-shadow .3s;
}
.site-header.scrolled {
  background: hsl(212 80% 8% / .95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgb(0 0 0 / .25);
}

.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--altura-header); }

.logo { display: flex; align-items: baseline; gap: .4rem; font-weight: 700; font-size: 1.25rem; }
.logo-name { background-image: linear-gradient(135deg, var(--cor-destaque-claro), var(--cor-destaque));
             background-clip: text; -webkit-background-clip: text; color: transparent; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav .btn { color: #fff; }

.nav-instagram { display: inline-flex; padding: .45rem; border-radius: 50%; }
.nav-instagram:hover { border-color: var(--cor-destaque-claro); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; background: none; border: 0; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; border-radius: 2px; transition: transform .3s, opacity .3s; }

.logo-tag                { font-size: .75rem; color: var(--cor-texto); }
.nav > a                 { font-size: .9rem; color: var(--cor-texto); transition: color .2s; }
.nav > a:hover           { color: var(--cor-destaque); }
.nav-instagram           { border: 1px solid var(--cor-borda); color: var(--cor-texto); }
.nav-toggle span         { background: var(--cor-texto); }

.site-header.scrolled .logo-tag        { color: #fff; }
.site-header.scrolled .nav > a         { color: rgb(255 255 255 / .85); }
.site-header.scrolled .nav > a:hover   { color: var(--cor-destaque-claro); }
.site-header.scrolled .nav-instagram   { border-color: rgb(255 255 255 / .25); color: #fff; }
.site-header.scrolled .nav-toggle span { background: #fff; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


.hero {
  position: relative; overflow: hidden;
  padding-top: calc(var(--altura-header) + 2rem); padding-bottom: 4rem;
  background:
    linear-gradient(180deg, hsl(212 25% 96%), hsl(212 25% 93%));
}

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

.hero-photo img { border-radius: var(--raio); box-shadow: var(--sombra-forte); width: 100%; }

.badge {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .5rem 1.1rem; margin-bottom: 1.5rem;
  background: #fff; border: 1px solid var(--cor-borda); border-radius: 999px;
  font-size: .82rem; color: var(--cor-texto-suave); box-shadow: var(--sombra-suave);
}
.badge-name { font-weight: 600; }
.badge-sep  { color: var(--cor-borda); }
.badge span:last-child { color: var(--cor-texto); font-weight: 600; }

.hero h1 { color: var(--cor-texto); }
.hero .lead { margin-top: 1.5rem; font-size: .95rem; max-width: 34rem; }
.hero .lead strong { color: var(--cor-texto); }

.hero-actions { display: flex; align-items: center; gap: 1.75rem; margin-top: 2.25rem; flex-wrap: wrap; }


.marquee {
  overflow: hidden; background: var(--cor-destaque); color: #fff;
  padding-block: .85rem;
  display: flex;
}
.marquee-track {
  display: flex; align-items: center; gap: 3rem;
  padding-right: 3rem; flex-shrink: 0;
  animation: marquee 40s linear infinite;
}
.marquee-track span {
  white-space: nowrap; font-size: .8rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
}
.marquee-track span::after { content: " ·"; margin-left: 3rem; opacity: .5; }

@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}


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

.split h2 { margin-bottom: 1.5rem; }
.split p  { margin-bottom: 1.25rem; }

.split-media img,
.contact-photo img { border-radius: var(--raio); box-shadow: var(--sombra-media); width: 100%; }

blockquote {
  margin-bottom: 1.5rem; padding-left: 1.25rem;
  border-left: 3px solid var(--cor-destaque);
  color: var(--cor-texto-suave); font-style: italic;
}

.author-media { position: relative; }
.author-media img { border-radius: var(--raio); box-shadow: var(--sombra-media); }
.author-badge {
  position: absolute; left: -1.5rem; bottom: -1.5rem;
  padding: 1rem 1.25rem; background: #fff;
  border-radius: var(--raio); box-shadow: var(--sombra-media);
}
.author-badge strong { display: block; font-size: 1.5rem; color: var(--cor-destaque); }
.author-badge span   { display: block; font-size: .85rem; font-weight: 600; }
.author-badge small  { display: block; font-size: .75rem; color: var(--cor-texto-suave); }


.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  padding: 1.75rem; background: var(--fundo-tonal);
  border: 1px solid var(--cor-borda); border-radius: var(--raio);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sombra-media); }
.card h3 { margin-bottom: .75rem; }
.card p  { font-size: .875rem; }

.pain-card {
  display: flex; gap: .9rem; align-items: flex-start;
  padding: 1.25rem 1.5rem;
  background: rgb(255 255 255 / .06); border-radius: var(--raio);
}
.pain-card p { font-size: .9rem; color: rgb(255 255 255 / .75); }
.icon-x { color: #ef4444; font-weight: 700; flex-shrink: 0; }

.compare-card { padding: 2.5rem; border-radius: var(--raio); }
.compare-card h3 { margin-bottom: 1.75rem; font-size: 1.15rem; }
.compare-card li { display: flex; gap: .85rem; align-items: flex-start; padding-block: .6rem; font-size: .9rem; }
.compare-card li::before { flex-shrink: 0; font-weight: 700; }

.compare-card.light { background: #fff; box-shadow: var(--sombra-suave); }
.compare-card.light li { color: var(--cor-texto-suave); }
.list-x li::before { content: "✕"; color: #ef4444; }

.compare-card.dark { background: var(--fundo-hero); color: #fff; }
.compare-card.dark h3 { color: var(--cor-destaque-claro); }
.compare-card.dark li { color: rgb(255 255 255 / .8); }
.list-check li::before { content: "✓"; color: var(--cor-destaque-claro); }

.step-card {
  padding: 1.75rem; background: var(--fundo-tonal);
  border: 1px solid var(--cor-borda); border-radius: var(--raio);
}
.step-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: .9rem; }
.step-num  { font-size: 2rem; font-weight: 800; color: hsl(212 100% 44% / .18); line-height: 1; }
.step-card p { font-size: .875rem; }

.symptoms { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.symptom {
  padding: 1.5rem .75rem; text-align: center;
  background: #fff; border: 1px solid var(--cor-borda); border-radius: var(--raio);
  font-size: .875rem; font-weight: 600;
  transition: transform .25s, box-shadow .25s;
}
.symptom:hover { transform: translateY(-4px); box-shadow: var(--sombra-media); }


.carousel { position: relative; display: flex; align-items: center; gap: 1rem; }

.carousel-viewport { overflow: hidden; flex: 1; }

.carousel-track {
  display: flex; gap: 1.25rem;
  transition: transform .5s ease;
}
.carousel-track img {
  width: calc((100% - 3.75rem) / 4);
  flex-shrink: 0;
  height: 260px; object-fit: cover; object-position: top;
  border-radius: var(--raio); box-shadow: var(--sombra-suave);
  background: var(--fundo-tonal);
}

.carousel-btn {
  flex-shrink: 0;
  width: 40px; height: 40px; border-radius: 50%;
  background: #fff; border: 1px solid var(--cor-borda);
  color: var(--cor-texto); font-size: 1.4rem; line-height: 1;
  cursor: pointer; box-shadow: var(--sombra-suave);
  transition: background .2s, color .2s;
}
.carousel-btn:hover { background: var(--cor-destaque); color: #fff; border-color: transparent; }

.carousel-dots { display: flex; justify-content: center; gap: .5rem; margin-top: 1.5rem; }
.carousel-dots button {
  width: 8px; height: 8px; padding: 0; border: 0; border-radius: 999px;
  background: var(--cor-borda); cursor: pointer; transition: width .3s, background .3s;
}
.carousel-dots button.active { width: 24px; background: var(--cor-destaque); }

.rating { margin-top: 1.75rem; color: var(--cor-destaque); }


.table-wrap { overflow-x: auto; }

.compare-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.compare-table th,
.compare-table td {
  padding: 1.15rem 1rem; text-align: left; vertical-align: top;
  font-size: .875rem; border-bottom: 1px solid rgb(255 255 255 / .12);
}
.compare-table th { font-weight: 700; color: #fff; }
.compare-table th.col-tri { color: var(--cor-destaque-claro); }
.compare-table td:first-child { font-weight: 700; color: #fff; white-space: nowrap; }
.compare-table td:nth-child(2) { color: rgb(255 255 255 / .5); }
.compare-table td:last-child   { color: rgb(255 255 255 / .9); }


.faq { display: flex; flex-direction: column; gap: .75rem; }

.faq-item {
  background: #fff; border: 1px solid var(--cor-borda);
  border-radius: var(--raio); padding-inline: 1.5rem;
  transition: border-color .2s;
}
.faq-item[open] { border-color: hsl(212 100% 44% / .3); }

.faq-item summary {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding-block: 1.25rem;
  font-size: .9rem; font-weight: 600; cursor: pointer; list-style: none;
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--cor-destaque); }

.faq-item summary::after {
  content: ""; flex-shrink: 0;
  width: 9px; height: 9px; margin-right: 4px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .25s;
}
.faq-item[open] summary::after { transform: rotate(-135deg) translateY(-2px); }

.faq-answer { padding-bottom: 1.35rem; }
.faq-answer p { font-size: .875rem; }
.faq-answer p + p { margin-top: .85rem; }
.faq-answer strong { color: var(--cor-texto); }


.bg-cta { position: relative; overflow: hidden; }
.bg-cta::before {
  content: ""; position: absolute; top: 50%; left: 50%;
  width: 600px; height: 600px; transform: translate(-50%, -50%);
  background: hsl(212 100% 44% / .07); border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}
.bg-cta .container { position: relative; z-index: 1; }
.bg-cta p { margin-top: 1rem; }

.cta-facts {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem 2.5rem;
  margin-top: 2.5rem; font-size: .85rem; color: rgb(255 255 255 / .5);
}


.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; align-items: start; }

.map-box { position: relative; height: 400px; border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra-suave); }
.map-box iframe { width: 100%; height: 100%; border: 0; }
.map-link {
  position: absolute; top: .75rem; left: .75rem; z-index: 2;
  padding: .4rem .8rem; background: #fff; border-radius: .4rem;
  font-size: .78rem; font-weight: 600; color: var(--cor-destaque);
  box-shadow: var(--sombra-suave);
}

.contact-photo img { height: 400px; object-fit: cover; }

.contact-card { padding: 2rem; background: #fff; border-radius: var(--raio); box-shadow: var(--sombra-suave); }
.contact-card h3 { margin-bottom: 1.5rem; font-size: 1.15rem; }
.contact-card h4 {
  margin-top: 1.5rem; margin-bottom: .35rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--cor-texto-suave);
}
.contact-card h4:first-of-type { margin-top: 0; }
.contact-card p { font-size: .875rem; color: var(--cor-texto); }


.site-footer { padding-block: 4rem 2rem; background: var(--fundo-hero); color: #fff; }

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; }

.footer-logo { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.footer-logo small { font-size: .8rem; font-weight: 400; color: rgb(255 255 255 / .5); }

.footer-about p { font-size: .875rem; color: rgb(255 255 255 / .5); max-width: 28rem; }
.footer-ig { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1rem; font-size: .875rem; color: rgb(255 255 255 / .5); }
.footer-ig:hover { color: var(--cor-destaque-claro); }

.site-footer h4 { margin-bottom: 1rem; font-size: .95rem; }
.site-footer li { margin-bottom: .6rem; }
.site-footer li a { font-size: .875rem; color: rgb(255 255 255 / .5); transition: color .2s; }
.site-footer li a:hover { color: var(--cor-destaque-claro); }

.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  margin-top: 3rem; padding-top: 1.75rem;
  border-top: 1px solid rgb(255 255 255 / .1);
  font-size: .8rem; color: rgb(255 255 255 / .4);
}
.footer-bottom a { color: var(--cor-destaque-claro); }


.whatsapp-float {
  position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  box-shadow: 0 8px 24px rgb(0 0 0 / .25);
  transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.08); }


.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

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


@media (max-width: 1024px) {
  :root { --espaco-secao: 4rem; }

  .grid-3        { grid-template-columns: repeat(2, 1fr); }
  .symptoms      { grid-template-columns: repeat(3, 1fr); }
  .contact-grid  { grid-template-columns: 1fr 1fr; }
  .contact-card  { grid-column: span 2; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .footer-about  { grid-column: span 2; }

  .carousel-track img { width: calc((100% - 2.5rem) / 3); }
}

@media (max-width: 768px) {
  :root { --espaco-secao: 3rem; }

  .nav {
    position: fixed; inset: var(--altura-header) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 1rem 1.5rem 2rem;
    background: hsl(212 80% 8% / .98); backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgb(0 0 0 / .3);
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav > a { padding-block: .9rem; border-bottom: 1px solid rgb(255 255 255 / .08); }
  .nav-instagram { align-self: flex-start; margin-top: 1rem; }
  .nav .btn { margin-top: 1rem; }
  .nav-toggle { display: flex; }

  .site-header { background: hsl(212 80% 8% / .95); backdrop-filter: blur(12px); }
  .logo-tag        { color: #fff; }
  .nav > a         { color: rgb(255 255 255 / .85); }
  .nav > a:hover   { color: var(--cor-destaque-claro); }
  .nav-instagram   { border-color: rgb(255 255 255 / .25); color: #fff; }
  .nav-toggle span { background: #fff; }

  .hero-grid,
  .split         { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-photo    { order: -1; max-width: 22rem; margin-inline: auto; }
  .hero-actions  { justify-content: center; }
  .hero-text     { text-align: center; }
  .hero .lead    { margin-inline: auto; }
  .badge         { margin-inline: auto; }

  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .symptoms        { grid-template-columns: repeat(2, 1fr); }

  .compare-card  { padding: 1.75rem; }

  .author-badge  { left: 1rem; bottom: -1rem; }

  .contact-grid  { grid-template-columns: 1fr; }
  .contact-card  { grid-column: auto; }
  .map-box, .contact-photo img { height: 300px; }

  .footer-grid   { grid-template-columns: 1fr; }
  .footer-about  { grid-column: auto; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .carousel-track img { width: calc((100% - 1.25rem) / 2); height: 220px; }
  .carousel-btn { width: 34px; height: 34px; }
}

@media (max-width: 480px) {
  .carousel-track img { width: 100%; }
  .symptoms { grid-template-columns: 1fr; }
}