/* ============================================================
   ASTROBIA · Clube do Livro Astrológico
   ============================================================ */

:root {
  --night-900: #150f2d;
  --night-800: #1c1440;
  --night-700: #251a52;
  --plum: #35265e;
  --lilac-100: #f1ecfa;
  --lilac-200: #e4dbf4;
  --lilac-400: #b9a7e0;
  --cream: #faf6ee;
  --cream-deep: #f3ecdd;
  --gold-300: #f0d9a0;
  --gold-400: #e3bc6a;
  --gold-500: #cfa14a;
  --gold-600: #b0813a;
  --cta-300: #ffb08c;
  --cta-400: #ff9a70;
  --cta-500: #f26545;
  --cta-600: #d94e30;
  --btn-300: #ff9db8;
  --btn-400: #ff7fa3;
  --btn-500: #f0537f;
  --ink: #2b2342;
  --ink-soft: #55496f;
  --white: #fffdf9;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Figtree", -apple-system, sans-serif;

  --radius: 18px;
  --shadow-soft: 0 18px 50px -18px rgba(28, 20, 64, 0.35);
  --shadow-card: 0 10px 34px -14px rgba(28, 20, 64, 0.28);
  --maxw: 1120px;
  --maxw-narrow: 760px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

.container--narrow { max-width: var(--maxw-narrow); }

/* ============ Typography ============ */

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 1.1rem;
}

.eyebrow--dark { color: var(--gold-600); }

.section__title {
  font-family: var(--font-display);
  font-weight: 480;
  font-size: clamp(1.55rem, 3.3vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--night-800);
  margin-bottom: 1.4rem;
  text-wrap: balance;
}

.section__title--light { color: var(--white); }

.section__lead {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  color: var(--lilac-200);
  max-width: 46em;
  margin-bottom: 1.5rem;
}

.prose p { margin-bottom: 1.15rem; color: var(--ink-soft); }
.prose p:last-child { margin-bottom: 0; }
.prose em { color: var(--night-700); font-style: italic; }

.prose__highlight {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-style: italic;
  font-weight: 420;
  line-height: 1.5;
  color: var(--night-700) !important;
  border-left: 3px solid var(--gold-400);
  padding: 0.35rem 0 0.35rem 1.25rem;
  margin-top: 1.8rem;
}

/* destaque em seção escura */
.prose__highlight--light {
  color: var(--gold-300) !important;
  margin-top: 2rem;
}

/* ============ Pra quem é / não é (✓ / ✗) ============ */

.fit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin-top: 2.4rem;
}

.fit__col {
  background: var(--white);
  border: 1px solid var(--cream-deep);
  border-radius: 18px;
  padding: 1.9rem 1.8rem;
  box-shadow: var(--shadow-card);
}

.fit__col--yes { border-top: 4px solid #16b57f; }
.fit__col--no  { border-top: 4px solid var(--cta-500); }

.fit__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 520;
  color: var(--night-800);
  margin-bottom: 1.1rem;
}

.fit ul {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.fit li {
  position: relative;
  padding-left: 2rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.fit--yes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -1px;
  color: #16b57f;
  font-weight: 700;
  font-size: 1.05rem;
}

.fit--no li::before {
  content: "✗";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--cta-500);
  font-weight: 700;
  font-size: 1.05rem;
}

@media (max-width: 700px) {
  .fit { grid-template-columns: 1fr; }
}

/* ✓ / ✗ maiores e títulos destacados */
.fit__title {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
}
.fit__title--yes { color: #16b57f; }
.fit__title--no  { color: var(--cta-600); }
.fit--yes li::before,
.fit--no li::before { font-size: 1.5rem; top: -3px; line-height: 1; }
.fit li { padding-left: 2.4rem; }

/* ============ Hero H1 em três cores ============ */
.hl { font-style: normal; }
.hl--gold  { color: var(--gold-300); }
.hl--coral { color: var(--cta-400); }
.hl--lilac { color: var(--lilac-400); }
.hero__title-sub {
  display: block;
  font-size: 0.6em;
  font-weight: 480;
  margin-top: 0.35em;
  color: var(--lilac-100);
}

/* ============ Livro único (3 páginas, folheável) ============ */
.onebook {
  margin-top: 2.8rem;
  perspective: 2000px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.onebook__stage {
  position: relative;
  width: min(420px, 88vw);
  height: 340px;
  margin: 0 auto;
  transform-style: preserve-3d;
}
@media (min-width: 1024px) {
  .onebook__stage { width: 620px; height: 460px; }
}
.onebook__leaf,
.onebook__cover {
  position: absolute; inset: 0;
  border-radius: 8px 16px 16px 8px;
  transform-origin: left center;
  transition: transform 1.1s cubic-bezier(0.3,0.85,0.3,1);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  box-shadow: 0 26px 60px -24px rgba(3,8,25,0.8);
}
.onebook__leaf {
  background: linear-gradient(180deg, #f6efe0, var(--cream));
  border: 1px solid rgba(227,188,106,0.35);
}
.onebook__leaf--3 { z-index: 1; }
.onebook__leaf--2 { z-index: 2; }
.onebook__leaf--1 { z-index: 3; }
.onebook__pg {
  height: 100%;
  padding: 1.9rem 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.onebook__folio {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold-600);
}
.onebook__pg-title {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 520;
  color: var(--night-800); margin: 0.5rem 0 0.6rem;
}
.onebook__pg-title::after {
  content: "✦"; display: block; color: var(--gold-500);
  font-size: 0.75rem; margin-top: 0.5rem;
}
.onebook__pg p { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.55; }

/* capa que abre */
.onebook__cover {
  background:
    radial-gradient(130% 120% at 100% 0%, rgba(255,246,222,0.4), transparent 55%),
    linear-gradient(160deg, #f4dc9c 0%, var(--gold-500) 60%, var(--gold-600) 100%);
  z-index: 4;
}
.onebook__cover::before {
  content: ""; position: absolute; inset: 14px;
  border: 1px solid rgba(21,15,45,0.45); border-radius: 4px 10px 10px 4px;
}
.onebook__cover::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 14px;
  background: linear-gradient(90deg, rgba(92,62,20,0.55), transparent);
  border-radius: 8px 0 0 8px;
}
.onebook__cover-in {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem; text-align: center;
  padding: 1.5rem;
}
.onebook__brand {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; color: var(--night-900);
}
.onebook__hint {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(21,15,45,0.7);
}
@media (hover: hover)  { .onebook__hint--touch { display: none; } }
@media (hover: none)   { .onebook__hint--hover { display: none; } }

/* estados de leitura: cada classe "gira" a folha correspondente e o estado permanece */
.onebook.is-step-1 .onebook__cover,
.onebook.is-step-2 .onebook__cover,
.onebook.is-step-3 .onebook__cover { transform: rotateY(-158deg); }

.onebook.is-step-2 .onebook__leaf--1,
.onebook.is-step-3 .onebook__leaf--1 { transform: rotateY(-158deg); }

.onebook.is-step-3 .onebook__leaf--2 { transform: rotateY(-158deg); }

.onebook__closing {
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  color: var(--gold-300);
  margin-top: 1.6rem;
  max-width: 40ch; margin-inline: auto;
  min-height: 1.4em;
}
/* efeito de escrita */
.onebook__closing.is-writing {
  border-right: 2px solid var(--gold-400);
  white-space: nowrap; overflow: hidden;
  width: 0; margin-inline: auto;
  animation: writing 2.8s steps(52, end) forwards, caret 0.7s step-end infinite;
}
@keyframes writing { to { width: 40ch; } }
@keyframes caret { 50% { border-color: transparent; } }

@media (max-width: 760px) {
  .onebook__stage { height: 300px; }
  .onebook__pg { padding: 1.6rem 1.5rem; }
  .onebook__closing.is-writing { white-space: normal; width: auto; animation: none; border: 0; }
}

/* ============ Trilha (como funciona) ============ */
.steps--trail .step::before {
  background: linear-gradient(180deg, var(--gold-400), var(--lilac-400));
  opacity: 0.6;
}

/* ============ Oferta: box de valor "sem preço" ============ */
.offer--value { grid-template-columns: 1.05fr 0.95fr; align-items: stretch; }
.offer__loss { align-self: center; }
.loss__lead {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem); color: var(--lilac-100); margin-bottom: 1.4rem;
}
.loss { list-style: none; display: grid; gap: 1rem; }
.loss li {
  display: flex; align-items: center; justify-content: space-between; gap: 1.4rem;
  border-bottom: 1px solid rgba(227,188,106,0.18); padding-bottom: 1rem;
}
.loss li:last-child { border-bottom: 0; }
.loss__text { flex: 1; color: var(--lilac-100); font-size: 1rem; line-height: 1.4; }
.loss__text::before { content: "✦"; color: var(--gold-400); margin-right: 0.6rem; }
.loss__price {
  flex-shrink: 0; width: 118px; text-align: center;
  font-weight: 800; font-size: 0.82rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--cta-400);
  text-decoration: line-through; text-decoration-color: var(--cta-500);
}
.pricing__from { color: var(--ink-soft); margin-bottom: 0.4rem; font-size: 1rem; }
.pricing__semprice {
  display: inline-block;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cta-500);
  text-decoration: line-through;
  text-decoration-color: var(--cta-500);
  transform: rotate(-6deg);
}
.pricing__guarantee {
  margin-top: 1.1rem; font-weight: 700; color: var(--gold-600); font-size: 0.92rem;
}
.included {
  max-width: 720px; margin: 3rem auto 0; text-align: center;
  position: relative; z-index: 2;
}
.included__lead {
  font-family: var(--font-display); font-size: 1.2rem; color: var(--lilac-100); margin-bottom: 1.2rem;
}
.included__list {
  list-style: none; display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem 1.6rem; text-align: left;
}
.included__list li {
  position: relative; padding-left: 1.7rem; color: var(--lilac-200); font-size: 0.98rem;
}
.included__list li::before { content: "✦"; position: absolute; left: 0; color: var(--gold-400); }
@media (max-width: 700px) {
  .included__list { grid-template-columns: 1fr; }
  .loss__price { font-size: 0.72rem; }
}

/* ============ Ilustração: dualidade ============ */
.duality {
  margin: 2.4rem 0 2.8rem;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--cream-deep);
}
.duality__img {
  display: block;
  width: 100%;
  height: clamp(220px, 38vw, 380px);
  object-fit: cover;
  object-position: center 30%;
}
.duality__labels {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.duality__lab {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 1.1rem;
  min-width: 0;
}
.duality__lab-tag {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.duality__lab-text {
  font-size: clamp(0.62rem, 2.6vw, 0.82rem);
  font-weight: 500;
  text-transform: none;
  opacity: 0.85;
  white-space: nowrap;
}
.duality__lab--before { background: var(--night-900); color: var(--lilac-200); }
.duality__lab--after {
  background: linear-gradient(90deg, var(--cream-deep), #ffffff);
  color: var(--night-800);
  text-align: right;
  align-items: flex-end;
}

/* ============ Ilustração: biblioteca / profundidade ============ */
.profundidade { position: relative; overflow: hidden; }
.library { position: absolute; inset: 0; z-index: 0; opacity: 0.6; }
.library__svg, .library__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.profundidade::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,16,36,0.55), rgba(11,16,36,0.82));
  z-index: 1;
}
.profundidade .container { position: relative; z-index: 2; }

/* ============ Buttons ============ */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  text-decoration: none;
  border-radius: 999px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  text-align: center;
}

.btn--cta {
  background: linear-gradient(135deg, var(--btn-400), var(--btn-500));
  color: var(--night-900);
  box-shadow: 0 12px 30px -10px rgba(240, 83, 127, 0.55);
}

.btn--cta:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--btn-300), var(--btn-500));
  box-shadow: 0 18px 38px -10px rgba(240, 83, 127, 0.7);
}

.btn--large {
  font-size: 0.9375rem;
  padding: 1.1rem 2.4rem;
}

.btn--small {
  font-size: 0.75rem;
  padding: 0.6rem 1.3rem;
  background: linear-gradient(135deg, var(--btn-400), var(--btn-500));
  color: var(--night-900);
  box-shadow: 0 8px 20px -8px rgba(240, 83, 127, 0.5);
}

.btn--small:hover { transform: translateY(-1px); }

.btn--block {
  display: block;
  width: 100%;
}

/* ============ Nav ============ */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 0.9rem 0;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.nav.is-scrolled {
  background: rgba(21, 15, 45, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px -12px rgba(0, 0, 0, 0.5);
  padding: 0.6rem 0;
}

.nav__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  display: block;
  text-decoration: none;
}

.nav__logo {
  height: 58px;
  width: auto;
  display: block;
  transition: height 0.3s ease;
}

.nav.is-scrolled .nav__logo { height: 46px; }

.nav__star { color: var(--gold-400); }

/* ============ Hero ============ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(64, 96, 200, 0.35), transparent 60%),
    radial-gradient(900px 500px at 15% 110%, rgba(46, 66, 150, 0.4), transparent 65%),
    linear-gradient(180deg, #060c22 0%, #0b1638 52%, #13255a 100%);
  overflow: hidden;
  padding: 7rem 0 6rem;
}

.hero__sky { position: absolute; inset: 0; pointer-events: none; }

/* faixa difusa de via láctea, inspirada na foto de referência */
.hero__milkyway {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(340px 200px at 32% 58%, rgba(203, 188, 240, 0.09), transparent 70%),
    radial-gradient(300px 180px at 60% 40%, rgba(210, 200, 245, 0.08), transparent 70%),
    radial-gradient(260px 170px at 78% 28%, rgba(203, 188, 240, 0.07), transparent 70%),
    linear-gradient(112deg,
      transparent 32%,
      rgba(173, 190, 255, 0.05) 42%,
      rgba(232, 226, 255, 0.12) 50%,
      rgba(173, 190, 255, 0.05) 58%,
      transparent 68%);
}

.hero__stars { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero__moon {
  position: absolute;
  top: 14%;
  right: 10%;
  width: clamp(60px, 8vw, 110px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 32%, #fdf4dd, var(--gold-300) 55%, var(--gold-500));
  box-shadow:
    0 0 40px 8px rgba(240, 217, 160, 0.35),
    0 0 120px 40px rgba(240, 217, 160, 0.12);
  opacity: 0.95;
}

.hero__content { position: relative; z-index: 2; max-width: 880px; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.7rem, 6.8vw, 4.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
  text-wrap: balance;
}

.hero__sub {
  font-size: clamp(1.0625rem, 2.2vw, 1.3125rem);
  color: var(--lilac-200);
  max-width: 40em;
  margin: 0 auto 2.4rem;
}

.hero__support {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--lilac-400);
}

.hero__fade {
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, var(--cream));
  z-index: 1;
}

/* twinkle */
.twinkle { animation: twinkle 3.4s ease-in-out infinite alternate; }
.twinkle--slow { animation-duration: 5.2s; }

@keyframes twinkle {
  from { opacity: 0.45; }
  to   { opacity: 1; }
}

/* ============ Sections ============ */

.section { padding: 5.5rem 0; }

@media (max-width: 760px) {
  .section { padding: 2.75rem 0; }
  .hero { padding: 5.5rem 0 4rem; }
}

.section--cream { background: var(--cream); }

.section--night {
  background:
    radial-gradient(1000px 500px at 80% 0%, rgba(96, 70, 165, 0.35), transparent 60%),
    linear-gradient(180deg, var(--night-800), var(--night-900));
  color: var(--lilac-100);
}

.section--lilac {
  background: linear-gradient(180deg, var(--lilac-100), #eae2f6);
}

.section--quote { text-align: center; }

.quote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-style: italic;
  font-weight: 380;
  line-height: 1.65;
  color: var(--lilac-100);
  max-width: 44em;
  margin: 0 auto;
}

.section--quote .eyebrow { text-align: center; }

/* ============ Céu azul estrelado ============ */

.section--sky {
  position: relative;
  overflow: hidden;
  color: var(--lilac-100);
  background:
    radial-gradient(1100px 550px at 75% -5%, rgba(58, 92, 190, 0.35), transparent 60%),
    radial-gradient(800px 450px at 10% 105%, rgba(38, 64, 150, 0.4), transparent 65%),
    linear-gradient(180deg, #081431 0%, #0d2049 48%, #12295e 100%);
}

.section--sky .container {
  position: relative;
  z-index: 2;
}

.starfield {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.starfield__constellations {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.75;
}

.starfield__star {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  opacity: 0.15;
  box-shadow: 0 0 6px 1px rgba(190, 212, 255, 0.55);
  animation: star-twinkle var(--tw-dur, 3s) ease-in-out var(--tw-delay, 0s) infinite alternate;
}

@keyframes star-twinkle {
  from { opacity: 0.08; transform: scale(0.75); }
  55%  { opacity: 0.55; }
  to   { opacity: 1; transform: scale(1.2); }
}

/* ============ Tríade — livros que abrem ============ */

.triade__intro {
  color: var(--lilac-200);
  max-width: 46em;
  margin: 2.6rem 0 2.4rem;
}

.triade__intro strong { color: var(--gold-300); font-weight: 600; }

.triade {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.4rem;
}

.book {
  position: relative;
  height: 380px;
  cursor: pointer;
  perspective: 1600px;
  -webkit-tap-highlight-color: transparent;
}

.book:hover,
.book:focus-visible,
.book.is-open { z-index: 6; }

.book:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 6px;
  border-radius: 8px;
}

.book__scene {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

/* página interna (revelada quando a capa abre) */
.book__page {
  position: absolute;
  inset: 0;
  border-radius: 6px 14px 14px 6px;
  background: linear-gradient(105deg, #ece1c8 0%, var(--cream) 22%, var(--white) 100%);
  padding: 2.2rem 2rem 2.2rem 2.4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow:
    inset 14px 0 26px -16px rgba(43, 35, 66, 0.45),
    0 26px 55px -22px rgba(3, 8, 25, 0.75);
}

/* borda de folhas empilhadas à direita */
.book__page::after {
  content: "";
  position: absolute;
  right: 3px;
  top: 5px;
  bottom: 5px;
  width: 6px;
  border-radius: 0 12px 12px 0;
  background: repeating-linear-gradient(90deg, #d9cbae 0 1px, #f4edda 1px 2.5px);
}

.book__page-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 520;
  color: var(--night-800);
  margin-bottom: 0.7rem;
}

.book__page-title::after {
  content: "✦";
  display: block;
  color: var(--gold-500);
  font-size: 0.8rem;
  margin-top: 0.55rem;
}

.book__page-text {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.6;
}

/* capa */
.book__cover {
  position: absolute;
  inset: 0;
  transform-origin: left center;
  transform-style: preserve-3d;
  transition: transform 1s cubic-bezier(0.3, 0.85, 0.3, 1);
  border-radius: 6px 14px 14px 6px;
  will-change: transform;
}

.book.is-open .book__cover { transform: rotateY(-128deg); }

@media (hover: hover) {
  .book:hover .book__cover { transform: rotateY(-128deg); }
}

.book__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: inherit;
}

.book__front {
  background:
    radial-gradient(130% 110% at 100% 0%, rgba(255, 246, 222, 0.4), transparent 55%),
    linear-gradient(160deg, #f4dc9c 0%, var(--gold-500) 62%, var(--gold-600) 100%);
  border: 1px solid rgba(21, 15, 45, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  text-align: center;
  padding: 1.6rem;
  box-shadow: 0 18px 40px -16px rgba(3, 8, 25, 0.8);
}

/* moldura interna da capa */
.book__front::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(21, 15, 45, 0.45);
  border-radius: 4px 10px 10px 4px;
  pointer-events: none;
}

/* lombada */
.book__front::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 12px;
  background: linear-gradient(90deg, rgba(92, 62, 20, 0.5), transparent);
  border-radius: 6px 0 0 6px;
}

/* verso da capa (visível quando aberta) */
.book__inside {
  transform: rotateY(180deg);
  background: linear-gradient(200deg, #b58a42, #8f682c);
  border: 1px solid rgba(21, 15, 45, 0.25);
}

.book__icon {
  width: 46px;
  height: 46px;
  color: var(--night-800);
}

.book__label {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
  color: var(--night-900);
}

.book__hint {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(21, 15, 45, 0.7);
}

@media (hover: hover)  { .book__hint--touch { display: none; } }
@media (hover: none)   { .book__hint--hover { display: none; } }

/* ============ Checklist ============ */

.checklist {
  list-style: none;
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.checklist li {
  position: relative;
  background: var(--white);
  border: 1px solid var(--cream-deep);
  border-radius: 14px;
  padding: 1.25rem 1.5rem 1.25rem 3.6rem;
  box-shadow: var(--shadow-card);
  color: var(--ink-soft);
  font-size: 1.0625rem;
}

.checklist li::before {
  content: "✦";
  position: absolute;
  left: 1.35rem;
  top: 1.2rem;
  color: var(--gold-500);
  font-size: 1.15rem;
  line-height: 1.4;
}

/* ============ Steps ============ */

.steps {
  list-style: none;
  margin-top: 2.4rem;
  display: grid;
  gap: 0;
  position: relative;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.4rem;
  position: relative;
  padding-bottom: 2.2rem;
}

.step:last-child { padding-bottom: 0; }

.step::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--lilac-400), transparent);
  opacity: 0.5;
}

.step:last-child::before { display: none; }

.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--night-800);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
  box-shadow: 0 8px 22px -8px rgba(207, 161, 74, 0.6);
  flex-shrink: 0;
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 520;
  color: var(--night-800);
  margin: 0.35rem 0 0.35rem;
}

.step p { color: var(--ink-soft); font-size: 1rem; }

/* ============ Oferta ============ */

.section--offer {
  position: relative;
  overflow: hidden;
  color: var(--lilac-100);
  background:
    radial-gradient(950px 520px at 88% 12%, rgba(255, 118, 152, 0.16), transparent 60%),
    radial-gradient(750px 420px at 6% 96%, rgba(227, 188, 106, 0.15), transparent 62%),
    linear-gradient(150deg, #351349 0%, #4d1a56 55%, #66205a 100%);
}

/* filetes dourados que separam a seção do resto da página */
.section--offer::before,
.section--offer::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 8%, rgba(227, 188, 106, 0.7), transparent 92%);
}

.section--offer::before { top: 0; }
.section--offer::after { bottom: 0; }

.offer__ornament {
  text-align: center;
  color: var(--gold-400);
  font-size: 0.85rem;
  letter-spacing: 0.6em;
  margin-bottom: clamp(2.2rem, 5vw, 3.5rem);
}

.offer {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.2rem, 5vw, 4.5rem);
  align-items: center;
}

.offer__lead {
  color: var(--lilac-200);
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  margin-bottom: 1.7rem;
}

.offer__lead strong { color: var(--gold-300); font-weight: 600; }

.offer__features {
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.offer__features li {
  position: relative;
  padding-left: 1.8rem;
  color: var(--lilac-100);
  font-size: 1.02rem;
}

.offer__features li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--gold-400);
  font-size: 0.9rem;
}

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

/* ============ Pricing ============ */

.pricing {
  max-width: 520px;
  margin: 2.6rem auto 0;
  background: var(--white);
  border: 1px solid var(--cream-deep);
  border-radius: 26px;
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.pricing::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 27px;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--gold-300), transparent 40%, transparent 60%, var(--gold-400));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.pricing__badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-600);
  background: rgba(227, 188, 106, 0.16);
  border-radius: 999px;
  padding: 0.45rem 1.2rem;
  margin-bottom: 1rem;
}

.pricing__period {
  color: var(--ink-soft);
  font-size: 0.975rem;
  margin-bottom: 1.8rem;
}

.pricing__values { margin-bottom: 1.9rem; }

.pricing__installments {
  font-family: var(--font-display);
  color: var(--night-800);
  line-height: 1.1;
}

.pricing__x {
  font-size: 1.2rem;
  color: var(--ink-soft);
  font-family: var(--font-body);
}

.pricing__price {
  font-size: clamp(2.6rem, 7vw, 3.4rem);
  font-weight: 560;
  letter-spacing: -0.02em;
}

.pricing__full {
  margin-top: 0.5rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

/* card dentro da seção de oferta: estático, sem margem extra */
.section--offer .pricing {
  margin: 0;
  width: 100%;
  max-width: 460px;
  justify-self: center;
}

.section--offer .pricing__values { margin-bottom: 1.4rem; }

.pricing__note {
  margin-top: 1.1rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
  opacity: 0.85;
}

/* ============ Quem é a Bia ============ */

.bio {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2.2rem, 5vw, 4.5rem);
  align-items: center;
}

.bio__photo,
.bio__img {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 4 / 5;
  border-radius: 24px;
}

.bio__img {
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.bio__photo {
  border: 2px dashed var(--gold-500);
  background: linear-gradient(160deg, var(--white), var(--cream-deep));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: var(--gold-600);
}

.bio__photo-star { font-size: 2.2rem; }

.bio__photo-text {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.stats {
  margin: clamp(2.8rem, 6vw, 4.5rem) 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.stat {
  background: var(--white);
  border: 1px solid var(--cream-deep);
  border-radius: 18px;
  padding: 1.7rem 1.2rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.stat dt {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 2.6rem);
  font-weight: 560;
  line-height: 1;
  color: var(--night-800);
}

.stat dt::after {
  content: "✦";
  display: block;
  font-size: 0.7rem;
  color: var(--gold-500);
  margin-top: 0.55rem;
}

.stat dd {
  margin-top: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .bio { grid-template-columns: 1fr; }
  .bio__media { display: flex; justify-content: center; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============ FAQ ============ */

.faq { margin-top: 2.2rem; display: grid; gap: 0.9rem; }

.faq__item {
  background: var(--white);
  border: 1px solid rgba(185, 167, 224, 0.35);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq__item[open] {
  border-color: var(--gold-400);
  box-shadow: var(--shadow-card);
}

.faq__item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.2rem 3.2rem 1.2rem 1.5rem;
  font-weight: 600;
  color: var(--night-800);
  position: relative;
  font-size: 1.03rem;
  user-select: none;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--gold-600);
  transition: transform 0.3s ease;
}

.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq__item p {
  padding: 0 1.5rem 1.3rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

/* ============ CTA final ============ */

.cta-final {
  position: relative;
  text-align: center;
  overflow: hidden;
}

.cta-final__sky { position: absolute; inset: 0; pointer-events: none; }
.cta-final__sky svg { width: 100%; height: 100%; }

.cta-final .container { position: relative; z-index: 2; }

.cta-final .section__lead {
  margin-inline: auto;
  margin-bottom: 2.4rem;
}

/* ============ Footer ============ */

.footer {
  background: var(--night-900);
  padding: 2.6rem 0;
  color: var(--lilac-400);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__logo {
  height: 84px;
  width: auto;
  display: block;
}

.footer__legal { font-size: 0.85rem; }

/* ============ Reveal on scroll ============ */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease var(--delay, 0s), transform 0.7s ease var(--delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .twinkle { animation: none; }
  .starfield__star { animation: none; opacity: 0.7; }
  .btn { transition: none; }
  .book__cover { transition: none; }
}

/* ============ Responsive ============ */

@media (max-width: 640px) {
  .step { grid-template-columns: 44px 1fr; gap: 1rem; }
  .step__num { width: 44px; height: 44px; font-size: 1.15rem; }
  .step::before { left: 21px; top: 46px; }
  .hero { padding-top: 6rem; }
  .hero__moon { top: 9%; right: 7%; }
  .footer__inner { flex-direction: column; text-align: center; }
  .btn--large { width: 100%; max-width: 420px; }
}