:root {
  --bg: #050711;
  --bg-deep: #02030a;
  --panel: rgba(7, 12, 21, 0.72);
  --panel-strong: rgba(9, 16, 28, 0.86);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #f2f6ff;
  --muted: #b5bed2;
  --soft: #d7e2f5;
  --accent: #77ffb0;
  --accent-2: #86f7ff;
  --accent-3: #b797ff;
  --glow: rgba(119, 255, 176, 0.34);
  --shadow: rgba(0, 0, 0, 0.48);
  --radius-lg: 28px;
  --radius-md: 22px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(119,255,176,0.16), transparent 22rem),
    linear-gradient(145deg, #02030a 0%, #07101c 52%, #050711 100%);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 18%, rgba(134,247,255,0.15), transparent 20rem),
    radial-gradient(circle at 88% 24%, rgba(119,255,176,0.15), transparent 22rem),
    radial-gradient(circle at 45% 92%, rgba(183,151,255,0.12), transparent 22rem);
  z-index: 0;
}

a {
  color: inherit;
}

.background-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.085;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.24), transparent 1px),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,0.18), transparent 1px);
  background-size: 38px 38px, 54px 54px;
  mix-blend-mode: screen;
  z-index: 1;
}

.background-glow {
  position: fixed;
  width: 44rem;
  height: 44rem;
  border-radius: 50%;
  left: 50%;
  top: -16rem;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--glow), transparent 62%);
  filter: blur(8px);
  pointer-events: none;
  z-index: 1;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 2;
}

.site-header {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: 1rem 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background:
    radial-gradient(circle at 35% 30%, #fff, transparent 0 18%, rgba(255,255,255,0.3) 19%, transparent 42%),
    radial-gradient(circle, var(--accent), rgba(119,255,176,0.18) 52%, transparent 70%);
  box-shadow: 0 0 22px var(--glow);
}

.top-nav {
  display: flex;
  justify-content: center;
  gap: clamp(0.7rem, 2.4vw, 1.6rem);
  color: var(--muted);
  font-size: 0.96rem;
}

.top-nav a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--text);
  border-bottom-color: rgba(255,255,255,0.28);
}

.sound-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  padding: 0.55rem 0.78rem;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.sound-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
}

.sound-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.34);
}

.sound-toggle.is-on .sound-dot {
  background: var(--accent);
  box-shadow: 0 0 14px var(--glow);
}

.section-shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 4.5rem);
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: center;
  gap: clamp(1.4rem, 4vw, 3rem);
  padding: clamp(1.5rem, 5vw, 4rem) 0 4rem;
}

.core-wrap {
  display: grid;
  place-items: center;
  min-height: 18rem;
  filter: drop-shadow(0 0 34px var(--glow));
}

.dream-core {
  width: min(38vw, 270px);
  min-width: 190px;
  aspect-ratio: 1;
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
  animation: corePulse 4.4s ease-in-out infinite;
}

.core-light {
  position: absolute;
  inset: 17%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255,255,255,0.9), transparent 0 9%, rgba(255,255,255,0.18) 10%, transparent 28%),
    radial-gradient(circle at 50% 58%, var(--accent), transparent 0 18%, rgba(3,18,14,0.46) 48%, rgba(0,0,0,0.76) 72%),
    linear-gradient(145deg, rgba(255,255,255,0.18), rgba(0,0,0,0.42));
  box-shadow:
    inset 0 0 48px rgba(255,255,255,0.12),
    inset 0 0 84px rgba(0,0,0,0.46),
    0 0 54px var(--glow);
}

.core-ring {
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.28);
  transform: rotateX(62deg) rotateZ(18deg);
}

.core-ring--two {
  inset: 2%;
  transform: rotateX(68deg) rotateZ(-36deg);
  opacity: 0.55;
}

.core-particles {
  position: absolute;
  inset: -8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.9) 0 1px, transparent 2px),
    radial-gradient(circle at 77% 42%, rgba(255,255,255,0.8) 0 1px, transparent 2px),
    radial-gradient(circle at 50% 90%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 84% 76%, rgba(255,255,255,0.65) 0 1px, transparent 2px),
    radial-gradient(circle at 13% 72%, rgba(119,255,176,0.78) 0 1px, transparent 2px);
  animation: coreDrift 11s linear infinite;
  opacity: 0.9;
}

@keyframes corePulse {
  0%, 100% {
    transform: scale(0.985);
    opacity: 0.94;
  }

  50% {
    transform: scale(1.035);
    opacity: 1;
  }
}

@keyframes coreDrift {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.panel {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 28px 80px var(--shadow);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 4vw, 2.6rem);
}

.hero-panel {
  align-self: center;
}

.eyebrow,
.section-kicker,
.portal-number {
  margin: 0 0 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
}

h1,
h2 {
  margin: 0 0 1rem;
  color: var(--text);
  letter-spacing: -0.065em;
  line-height: 0.98;
}

h1 {
  font-size: clamp(3.3rem, 11vw, 7rem);
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}

p {
  color: var(--muted);
  line-height: 1.72;
  font-size: clamp(1rem, 1.7vw, 1.08rem);
}

strong {
  color: var(--soft);
}

.lead {
  color: var(--text);
  font-size: clamp(1.12rem, 2.4vw, 1.42rem);
}

.hero-actions,
.button-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

.btn {
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  padding: 0.9rem 1.25rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 11rem;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.34);
  box-shadow: 0 12px 32px rgba(0,0,0,0.24);
}

.btn--primary {
  background: linear-gradient(135deg, rgba(119,255,176,0.24), rgba(134,247,255,0.18));
  border-color: rgba(119,255,176,0.48);
}

.btn--ghost {
  background: rgba(255,255,255,0.04);
}

.btn.is-disabled {
  opacity: 0.62;
  cursor: not-allowed;
  pointer-events: none;
}

.portal-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.portal-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.045);
  padding: 1.15rem;
  min-height: 12rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.portal-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -55% 20%;
  height: 9rem;
  background: radial-gradient(circle, rgba(119,255,176,0.18), transparent 68%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.portal-card:hover,
.portal-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(119,255,176,0.34);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 18px 48px rgba(0,0,0,0.28);
}

.portal-card:hover::after,
.portal-card:focus-visible::after {
  opacity: 1;
}

.portal-card h2 {
  font-size: 1.35rem;
  letter-spacing: -0.04em;
  margin: 1rem 0 0.4rem;
}

.portal-card p {
  margin: 0;
  font-size: 0.96rem;
}

.content-section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  scroll-margin-top: 5rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 1rem;
  align-items: stretch;
}

.content-grid--reverse {
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
}

.content-grid--reverse article {
  order: 2;
}

.content-grid--reverse aside {
  order: 1;
}

.mini-panel {
  background: var(--panel-strong);
}

.clean-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.8rem;
}

.clean-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  text-decoration: none;
  color: var(--text);
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.clean-list a::after {
  content: "↗";
  color: var(--accent);
}

/* ====== Capa real de O Sonho ====== */

.book-card {
  position: relative;
  min-height: 28rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    radial-gradient(circle at 50% 35%, rgba(119,255,176,0.16), transparent 16rem),
    rgba(255,255,255,0.04);
}

.book-card--real {
  padding: clamp(1.2rem, 4vw, 2.4rem);
}

.book-aura {
  position: absolute;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(119,255,176,0.30), transparent 64%);
  filter: blur(14px);
  animation: corePulse 4.8s ease-in-out infinite;
}

.book-cover-link {
  position: relative;
  display: block;
  width: min(76%, 20rem);
  border-radius: 18px;
  text-decoration: none;
  transform: rotate(-1.5deg);
  transition: transform 220ms ease, filter 220ms ease;
}

.book-cover-link:hover,
.book-cover-link:focus-visible {
  transform: rotate(0deg) translateY(-4px);
  filter: drop-shadow(0 0 28px rgba(119,255,176,0.22));
}

.book-cover-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.20);
  box-shadow:
    0 28px 80px rgba(0,0,0,0.46),
    0 0 42px rgba(119,255,176,0.10);
}

/* ====== Painéis centrados e footer ====== */

.centered-panel {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.centered-panel .button-row {
  justify-content: center;
}

.site-footer {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: 2rem 0 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid rgba(255,255,255,0.10);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.2rem;
  font-size: 0.92rem;
}

.footer-links a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.24);
}

/* ====== Responsividade ====== */

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .top-nav {
    grid-column: 1 / -1;
    order: 3;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
  }

  .top-nav::-webkit-scrollbar {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
  }

  .core-wrap {
    min-height: 13rem;
  }

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

  .content-grid,
  .content-grid--reverse {
    grid-template-columns: 1fr;
  }

  .content-grid--reverse article,
  .content-grid--reverse aside {
    order: initial;
  }

  .book-card {
    min-height: 24rem;
  }

  .book-cover-link {
    width: min(72%, 19rem);
  }
}

@media (max-width: 620px) {
  .site-header {
    width: min(calc(100% - 1rem), var(--max));
    padding: 0.75rem 0;
    gap: 0.75rem;
  }

  .brand {
    font-size: 0.98rem;
  }

  .sound-toggle {
    padding: 0.48rem 0.65rem;
  }

  .top-nav {
    gap: 0.55rem;
  }

  .top-nav a {
    white-space: nowrap;
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 999px;
    padding: 0.5rem 0.75rem;
    background: rgba(255,255,255,0.04);
  }

  .section-shell {
    width: min(calc(100% - 1rem), var(--max));
  }

  .hero {
    padding-bottom: 2.2rem;
  }

  .dream-core {
    width: 48vw;
    min-width: 150px;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.6rem);
  }

  h2 {
    font-size: clamp(2rem, 12vw, 3rem);
  }

  .portal-grid {
    grid-template-columns: 1fr;
  }

  .portal-card {
    min-height: 9.4rem;
  }

  .hero-actions,
  .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .panel {
    border-radius: 22px;
  }

  .book-card {
    min-height: 21rem;
  }

  .book-cover-link {
    width: min(78%, 18rem);
  }

  .site-footer {
    width: min(calc(100% - 1rem), var(--max));
    display: grid;
  }
}

/* ====== Acessibilidade: reduzir animações ====== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}