:root {
  --rosa: #E178A8;
  --rosa-claro: #F5C6D8;
  --lilas: #8E65A8;
  --lilas-escuro: #704294;
  --texto: #3a2545;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Nunito', sans-serif;
  color: var(--texto);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Fundo animado ── */
.dark-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.dark-bg-blob {
  position: absolute; border-radius: 50%;
  filter: blur(100px); opacity: 0.3;
  animation: float 14s ease-in-out infinite alternate;
}
.db1 { width: 700px; height: 700px; background: #1a0a2e; top: -200px; left: -120px; animation-duration: 14s; }
.db2 { width: 550px; height: 550px; background: #0d1b2a; bottom: -120px; right: -120px; animation-duration: 17s; animation-delay: -4s; }
.db3 { width: 450px; height: 450px; background: #2d0a3a; top: 35%; left: 48%; animation-duration: 11s; animation-delay: -8s; }
.db4 { width: 350px; height: 350px; background: #1e1040; top: 65%; left: 15%; animation-duration: 13s; animation-delay: -2s; }
@keyframes float {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(60px,40px) scale(1.12); }
}

/* ── Navbar ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 6vw;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(74,44,98,0.92); backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(225,120,168,0.2);
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; font-weight: 600;
  text-decoration: none; display: flex; align-items: center; gap: 10px; color: white;
}
.nav-logo img { width: 36px; height: 36px; object-fit: cover; object-position: center 6%; border-radius: 50%; }
.nav-back {
  color: rgba(255,255,255,0.85); text-decoration: none;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  transition: color 0.3s; display: flex; align-items: center; gap: 6px;
}
.nav-back:hover { color: white; }

/* ── Hero ── */
.hero {
  position: relative; z-index: 1;
  min-height: 56vh;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; text-align: center;
  padding: 130px 5vw 70px;
  background: rgba(253,246,250,0.46); backdrop-filter: blur(8px);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(225,120,168,0.18), rgba(142,101,168,0.18));
  border: 1px solid rgba(225,120,168,0.3); border-radius: 100px;
  padding: 6px 18px; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.09em; text-transform: uppercase; color: var(--lilas-escuro);
  margin-bottom: 1.4rem;
  opacity: 0; transform: translateY(16px); animation: fadeUp 0.7s 0.05s ease forwards;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--rosa); }
.hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.6rem, 6.5vw, 4.8rem); font-weight: 300; line-height: 1.06;
  background: linear-gradient(135deg, #E178A8 0%, #B895C8 50%, #704294 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 0.5em;
  opacity: 0; transform: translateY(24px); animation: fadeUp 0.8s 0.12s ease forwards;
}
.hero-sub {
  font-size: clamp(0.95rem, 2vw, 1.1rem); font-weight: 300;
  color: var(--lilas-escuro); max-width: 580px; line-height: 1.8;
  opacity: 0; transform: translateY(24px); animation: fadeUp 0.8s 0.22s ease forwards;
}
.hero-meta {
  display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; justify-content: center;
  opacity: 0; transform: translateY(20px); animation: fadeUp 0.8s 0.32s ease forwards;
}
.hero-meta-chip {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: #9a79af; background: rgba(142,101,168,0.09);
  border: 1px solid rgba(142,101,168,0.18); border-radius: 100px; padding: 5px 14px;
}

/* ── Page layout ── */
.page {
  position: relative; z-index: 1;
  background: rgba(253,246,250,0.44); backdrop-filter: blur(8px);
  padding: 60px 6vw 100px;
}
.page-inner { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 36px; }

/* ── Intro notice ── */
.notice {
  background: rgba(255,255,255,0.55); backdrop-filter: blur(14px);
  border: 1px solid rgba(225,120,168,0.14); border-radius: 18px;
  padding: 28px 32px; display: flex; gap: 16px; align-items: flex-start;
}
.notice-icon { font-size: 1.5rem; line-height: 1; flex-shrink: 0; margin-top: 2px; }
.notice-text { font-size: 0.91rem; color: #5a4566; line-height: 1.8; }
.notice-text strong { color: var(--lilas-escuro); font-weight: 700; }

/* ── Block card ── */
.block-card {
  background: rgba(255,255,255,0.65); backdrop-filter: blur(14px);
  border: 1px solid rgba(225,120,168,0.12); border-radius: 24px;
  overflow: hidden;
  opacity: 0; transform: translateY(28px);
}
.block-card.visible {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.block-card:hover { box-shadow: 0 18px 48px rgba(142,101,168,0.11); }

.block-accent {
  height: 4px;
  background: linear-gradient(90deg, #E178A8 0%, #B895C8 50%, #704294 100%);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s ease;
}
.block-card:hover .block-accent { transform: scaleX(1); }

.block-body { padding: 36px 36px 32px; }

.block-header {
  display: flex; align-items: center; gap: 14px; margin-bottom: 1.2rem;
}
.block-icon {
  width: 46px; height: 46px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(225,120,168,0.14), rgba(142,101,168,0.14));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.block-num {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--rosa); margin-bottom: 2px;
}
.block-header h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.45rem; font-weight: 600; color: var(--texto); line-height: 1.22;
}

.block-body > p {
  font-size: 0.93rem; color: #5a4566; line-height: 1.85; margin-bottom: 20px;
}
.block-body > p strong { color: var(--lilas-escuro); font-weight: 700; }

/* ── Item list ── */
.item-list { display: flex; flex-direction: column; gap: 14px; }
.item-list--spaced { margin-top: 16px; }
.item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(225,120,168,0.06), rgba(142,101,168,0.06));
  border-radius: 14px; border: 1px solid rgba(142,101,168,0.1);
}
.item-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--rosa); flex-shrink: 0; margin-top: 6px;
}
.item-content { flex: 1; }
.item-title {
  font-size: 0.85rem; font-weight: 700; color: var(--lilas-escuro);
  letter-spacing: 0.02em; margin-bottom: 4px;
}
.item-body {
  font-size: 0.89rem; color: #6a5577; line-height: 1.75;
}
.item-body strong { color: var(--lilas-escuro); font-weight: 700; }

/* ── Warning item ── */
.item.warning {
  border-color: rgba(225,120,168,0.22);
  background: linear-gradient(135deg, rgba(225,120,168,0.09), rgba(142,101,168,0.06));
}
.item.warning .item-dot { background: var(--rosa); }
.item.alert {
  border-color: rgba(180,60,90,0.2);
  background: rgba(225,120,168,0.07);
}

/* ── Nota técnica inline ── */
.nota {
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(142,101,168,0.07);
  border-left: 3px solid var(--lilas);
  border-radius: 0 10px 10px 0;
  font-size: 0.82rem; color: #8a6899; line-height: 1.65; font-style: italic;
}
.nota strong { font-style: normal; font-weight: 700; color: var(--lilas-escuro); }

/* ── Exercício table ── */
.exercise-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0;
}
.exercise-col {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(225,120,168,0.18);
  border-radius: 16px; padding: 24px 20px; text-align: center;
}
.exercise-col-title {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--rosa); margin-bottom: 6px;
}
.exercise-col-sub {
  font-size: 0.72rem; color: #9a7aaf; margin-bottom: 16px; font-style: italic;
}
.exercise-steps { display: flex; flex-direction: column; gap: 10px; }
.exercise-step {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(225,120,168,0.08), rgba(142,101,168,0.08));
  border-radius: 10px;
  text-align: left;
}
.step-time {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem; font-weight: 600; line-height: 1;
  background: linear-gradient(135deg, #E178A8, #704294);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  flex-shrink: 0; min-width: 42px;
}
.step-label { font-size: 0.8rem; color: #6a5577; font-weight: 600; line-height: 1.3; }
.step-label span { display: block; font-weight: 300; font-size: 0.75rem; color: #9a7aaf; }

.exercise-freq {
  margin-top: 16px; padding: 14px 18px;
  background: linear-gradient(135deg, rgba(225,120,168,0.1), rgba(142,101,168,0.1));
  border-radius: 12px; text-align: center;
  font-size: 0.88rem; color: #5a4566; line-height: 1.7;
}
.exercise-freq strong { color: var(--lilas-escuro); font-weight: 700; }

/* ── Tec grid ── */
.tec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.tec-card {
  padding: 20px 18px;
  background: rgba(255,255,255,0.5);
  border: 1px solid rgba(142,101,168,0.14); border-radius: 16px;
}
.tec-icon { font-size: 1.4rem; margin-bottom: 8px; }
.tec-name { font-size: 0.83rem; font-weight: 700; color: var(--lilas-escuro); margin-bottom: 4px; }
.tec-desc { font-size: 0.82rem; color: #6a5577; line-height: 1.65; }

/* ── References ── */
.refs {
  background: rgba(255,255,255,0.4); backdrop-filter: blur(10px);
  border: 1px solid rgba(225,120,168,0.1); border-radius: 20px; padding: 28px 32px;
}
.refs h3 {
  font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; font-weight: 600;
  color: var(--texto); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.refs-list { display: flex; flex-direction: column; gap: 6px; }
.ref-item {
  display: flex; gap: 10px; align-items: baseline;
  font-size: 0.79rem; color: #8a7299; line-height: 1.6;
}
.ref-num {
  font-family: 'Cormorant Garamond', serif; font-size: 0.9rem; font-weight: 600;
  color: var(--rosa); flex-shrink: 0; min-width: 22px;
}
.ref-item a { color: #9a72c0; text-decoration: none; word-break: break-all; }
.ref-item a:hover { color: var(--rosa); text-decoration: underline; }
.ref-item {
  scroll-margin-top: 96px;
  border-radius: 10px;
  padding: 8px 12px;
  margin: 0 -12px;
  border-left: 4px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}
.ref-item.ref-active {
  background: linear-gradient(90deg, rgba(112,66,148,0.2) 0%, rgba(142,101,168,0.06) 70%);
  border-left-color: var(--lilas-escuro);
  box-shadow: 0 4px 20px rgba(112,66,148,0.12);
}
.ref-item.ref-active .ref-num { color: var(--lilas-escuro); }

/* ── Citações inline ── */
sup.cites a.cite {
  color: var(--rosa); text-decoration: none; font-weight: 700;
  cursor: pointer; transition: color 0.2s;
}
sup.cites a.cite:hover { color: var(--lilas-escuro); text-decoration: underline; }

/* ── CTA ── */
.cta-banner {
  position: relative; z-index: 1;
  padding: 0 6vw 80px;
  background: rgba(253,246,250,0.4); backdrop-filter: blur(8px);
}
.cta-inner {
  max-width: 780px; margin: 0 auto;
  background: linear-gradient(135deg, rgba(225,120,168,0.15), rgba(142,101,168,0.2));
  border: 1px solid rgba(225,120,168,0.2); border-radius: 24px;
  padding: 48px 44px; text-align: center;
}
.cta-inner h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 600; color: var(--texto); margin-bottom: 0.6rem;
}
.cta-inner p { font-size: 0.93rem; color: #6a5577; line-height: 1.75; max-width: 520px; margin: 0 auto 26px; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #E178A8, #704294); color: white;
  text-decoration: none; font-size: 0.86rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 13px 30px; border-radius: 100px;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 8px 28px rgba(225,120,168,0.28);
}
.cta-btn:hover { opacity: 0.9; transform: translateY(-2px); }

/* ── Footer ── */
.footer-nav {
  position: relative; z-index: 1;
  text-align: center; padding: 36px 6vw;
  background: var(--lilas-escuro);
}
.footer-nav a {
  display: inline-flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.8); text-decoration: none;
  font-size: 0.9rem; font-weight: 600; letter-spacing: 0.06em;
  transition: color 0.3s;
}
.footer-nav a:hover { color: white; }

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

@media (max-width: 640px) {
  .block-body { padding: 26px 20px 22px; }
  .exercise-grid { grid-template-columns: 1fr; }
  .tec-grid { grid-template-columns: 1fr; }
  .refs { padding: 22px 18px; }
  .cta-inner { padding: 32px 20px; }
  .notice { padding: 20px 18px; }
}