:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --text: #111827;
  --muted: #5b6472;
  --dark: #0f141b;
  --dark-2: #171d27;
  --primary: #b1a374;
  --primary-dark: #96895e;
  --gold: #f0b429;
  --border: #d9e0ea;
  --shadow: 0 24px 70px rgba(15, 20, 27, 0.14);
  --radius-lg: 34px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --container: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; }

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

button, input, textarea { font: inherit; }

/* ── Skip link ─────────────────────────────── */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background: var(--primary);
  color: white;
  padding: 12px 16px;
  border-radius: 10px;
  z-index: 999;
}
.skip-link:focus { top: 16px; }

/* ── Container ──────────────────────────────── */
.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

/* ── Header ─────────────────────────────────── */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(217, 224, 234, 0.8);
  transition: box-shadow .25s ease, background .25s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 35px rgba(15, 20, 27, 0.08);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  width: 142px;
  height: 58px;
  object-fit: cover;
  object-position: left center;
  border-radius: 14px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-weight: 700;
  color: #293241;
}

.main-nav a {
  position: relative;
  padding: 10px 2px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 999px;
  transition: width .25s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after { width: 100%; }

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: white;
  background: var(--primary);
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 12px 30px rgb(203 189 189 / 28%);
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--dark);
  color: white;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: white;
  border-radius: 999px;
  margin: 3px 0;
}

.menu-toggle strong { font-size: 14px; }

/* ── Sections ───────────────────────────────── */
.section { padding: 96px 0; }

.section-dark {
  color: white;
  background:
    linear-gradient(135deg, rgba(15,20,27,.98), rgba(24,31,42,.96)),
    url('../img/pattern.svg');
}

/* ── Hero ───────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  overflow: hidden;
}

.hero-grid,
.two-column,
.product-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
  gap: 64px;
  align-items: center;
}

.hero-copy h1,
.section-copy h2,
.section-heading h2,
.cta-content h2 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: .98;
  letter-spacing: -0.06em;
}

.section-copy h2,
.section-heading h2,
.cta-content h2 { font-size: clamp(2rem, 4vw, 3.6rem); }

.hero-copy p,
.section-copy p,
.section-heading p,
.cta-content p {
  margin: 22px 0 0;
  color: rgba(255,255,255,.78);
  font-size: 1.1rem;
  max-width: 650px;
}

.section-copy p,
.section-heading p { color: var(--muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: #ffd4d2;
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 38px;
  height: 3px;
  background: currentColor;
  border-radius: 999px;
}

.eyebrow.dark { color: var(--primary); }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 900;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.btn:hover,
.btn:focus-visible { transform: translateY(-2px); }

.btn-primary {
  color: white;
  background: var(--primary);
  box-shadow: 0 18px 40px rgb(203 189 189 / 28%);
}

.btn-primary:hover,
.btn-primary:focus-visible { background: var(--primary-dark); }

.btn-secondary {
  color: white;
  border-color: rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
}

.btn-outline {
  color: var(--dark);
  background: white;
  border-color: rgba(15,20,27,.12);
  box-shadow: 0 16px 40px rgba(15,20,27,.1);
}

/* ── Trust row ──────────────────────────────── */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.trust-row span {
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  padding: 9px 13px;
  color: rgba(255,255,255,.82);
  background: rgba(255,255,255,.06);
  font-weight: 700;
  font-size: .9rem;
}

/* ── Hero visual / video ────────────────────── */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: 16px;
  overflow: hidden;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ── Partner strip ──────────────────────────── */
.partner-strip {
  padding: 42px 0;
  color: white;
  background: var(--primary);
}

.partner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.partner-content h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -0.04em;
}

.partner-content p {
  margin: 8px 0 0;
  color: rgba(255,255,255,.82);
  font-size: 1.05rem;
}

/* ── About / Tips ───────────────────────────── */
.about-section,
.tips-section { background: var(--surface); }

.feature-stack { display: grid; gap: 18px; }

.feature-card,
.step-card,
.benefits-grid article {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: 0 14px 40px rgba(15,20,27,.06);
}

.feature-card span,
.step-card span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: white;
  background: var(--dark);
  border-radius: 14px;
  font-weight: 900;
}

.feature-card h3,
.step-card h3 { margin: 18px 0 8px; font-size: 1.25rem; }

.feature-card p,
.step-card p { margin: 0; color: var(--muted); }

/* ── Product section ────────────────────────── */
.product-section {
  background: linear-gradient(180deg, var(--bg), #ffffff);
}

.product-grid {
  grid-template-columns: minmax(320px, .9fr) minmax(0, 1fr);
}

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

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.benefits-grid article { display: grid; gap: 8px; }
.benefits-grid strong { font-size: 1.15rem; }
.benefits-grid span { color: var(--muted); }

/* ── Kit section ────────────────────────────── */
.kit-section { background: var(--surface); }

.kit-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

/* Lista esquerda */
.kit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: white;
  box-shadow: 0 14px 40px rgba(15,20,27,.06);
}

.kit-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.kit-list li:last-child { border-bottom: none; }

.kit-list li::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

/* Accordions direita */
.kit-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.kit-acc-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: white;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(15,20,27,.05);
}

.kit-acc-btn {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.1rem 1.25rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background .2s ease;
}

.kit-acc-btn:hover { background: var(--bg); }

.kit-acc-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
}

/* Panel: usa grid-template-rows para animação suave, igual ao accordion global */
.kit-acc-panel {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows .25s ease;
}

.kit-acc-panel--closed {
  grid-template-rows: 0fr;
}

.kit-acc-panel-inner {
  overflow: hidden;
  padding: 0 1.25rem;
}

.kit-acc-open .kit-acc-panel .kit-acc-panel-inner {
  padding-bottom: 1rem;
}

.kit-acc-panel p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.kit-acc-panel p:last-child { margin-bottom: 0; }

/* Precauções */
.kit-precautions {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kit-precautions li {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
}

.kit-precautions li::before {
  content: '*';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.kit-composition {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kit-composition p {
  font-size: 13px !important;
  color: #7a7265 !important;
  margin: 0 !important;
}

/* ── Steps section ──────────────────────────── */
.steps-section { background: var(--surface-2); }

.section-heading {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-heading .eyebrow { justify-content: center; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.step-card { min-height: 250px; }

/* ── Tips / Accordion global ────────────────── */
.tips-grid {
  grid-template-columns: minmax(0, .78fr) minmax(320px, 1fr);
}

.accordion { display: grid; gap: 14px; }

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: white;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(15,20,27,.05);
}

.accordion-item button {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 22px 54px 22px 24px;
  cursor: pointer;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 900;
  position: relative;
}

.accordion-item button::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--primary);
}

.accordion-item.is-open button::after { content: "–"; }

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .25s ease;
}

.accordion-panel p {
  overflow: hidden;
  margin: 0;
  color: var(--muted);
  padding: 0 24px;
}

.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }

.accordion-item.is-open .accordion-panel p { padding-bottom: 24px; }

/* ── CTA ────────────────────────────────────── */
.cta-section { padding: 86px 0; text-align: center; }

.cta-content { max-width: 800px; margin-inline: auto; }

.cta-content p { margin-inline: auto; }

.centered-actions { justify-content: center; }

/* ── Contact ────────────────────────────────── */
.contact-section {
  background: linear-gradient(180deg, white, var(--bg));
}

.contact-grid {
  grid-template-columns: minmax(0, .85fr) minmax(320px, 1fr);
}

.contact-cards { display: grid; gap: 12px; margin-top: 26px; }

.contact-cards a,
.contact-cards span {
  display: inline-flex;
  align-items: center;
  min-height: 54px;
  padding: 0 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: white;
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: white;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #293241;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  outline: none;
  background: #fbfcfe;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.contact-form textarea { resize: vertical; }

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(177,163,116,.5);
  box-shadow: 0 0 0 4px rgba(177,163,116,.12);
}

.form-feedback {
  min-height: 24px;
  margin: 0;
  color: var(--primary-dark);
  font-weight: 800;
}

/* ── Footer ─────────────────────────────────── */
.site-footer {
  color: rgba(255,255,255,.78);
  background: var(--dark);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .7fr .7fr;
  gap: 30px;
}

.footer-grid img {
  width: 132px;
  height: 54px;
  object-fit: cover;
  object-position: left center;
  border-radius: 12px;
}

.footer-grid strong { display: block; color: white; margin-bottom: 14px; }

.footer-grid a { display: block; margin: 8px 0; }

.copyright {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 36px;
  padding-top: 20px;
  font-size: .92rem;
}

/* ── Reveal ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 1020px) {
  .header-phone { display: none; }

  .hero-grid,
  .two-column,
  .product-grid,
  .contact-grid,
  .tips-grid { grid-template-columns: 1fr; }

  .product-grid .product-image { order: 2; }

  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .kit-layout { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .menu-toggle {
    display: inline-flex;
    position: relative;
    z-index: 120;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(82vw, 360px);
    height: 100svh;
    padding: 104px 28px 32px;
    background: white;
    box-shadow: -24px 0 70px rgba(15,20,27,.18);
    transform: translateX(100%);
    transition: transform .25s ease;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    z-index: 110;
  }

  .main-nav.is-open { transform: translateX(0); }

  .main-nav a { font-size: 1.15rem; }

  .section { padding: 72px 0; }

  .hero { padding-top: 68px; }

  .partner-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .benefits-grid,
  .steps-grid,
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .container { width: min(100% - 24px, var(--container)); }

  .brand img { width: 116px; height: 48px; }

  .hero-actions,
  .btn { width: 100%; }

  .contact-form { padding: 20px; }
}