/* ==========================================================================
   Izah Menezes | Site sugerido pela Busia
   Tokens vindos de identidade_sugerida.md (paleta nude + Fraunces + Inter)
   ========================================================================== */

:root {
  /* Primarias */
  --izah-creme: #F6F1E8;
  --izah-champagne: #D5C9B5;
  --izah-cafe: #473630;
  --izah-expresso: #1C161A;

  /* Acentos */
  --izah-rose: #C9376F;
  --izah-gold: #D8AF84;
  --izah-sage: #8A9683;

  /* Derivados */
  --izah-cafe-soft: rgba(71, 54, 48, 0.72);
  --izah-cafe-faint: rgba(71, 54, 48, 0.12);
  --izah-champagne-soft: rgba(213, 201, 181, 0.45);
  --izah-rose-soft: rgba(201, 55, 111, 0.10);

  /* Tipografia */
  --font-display: "Fraunces", "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  /* Tracking */
  --letter-tight: -0.02em;
  --letter-loose: 0.04em;

  /* Layout */
  --max: 1200px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius-card: 18px;
  --radius-pill: 999px;
  --shadow-soft: 0 8px 28px rgba(28, 22, 26, 0.08);
  --shadow-lift: 0 18px 48px rgba(28, 22, 26, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--izah-creme);
  color: var(--izah-cafe);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--izah-cafe); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
a:hover { opacity: .75; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--izah-cafe); letter-spacing: var(--letter-tight); margin: 0; font-weight: 600; }
em { font-style: italic; font-weight: 500; }
strong { font-weight: 600; color: var(--izah-cafe); }

.container { width: min(100%, var(--max)); margin: 0 auto; padding-inline: var(--gutter); }

/* TYPOGRAPHY */
.section-title {
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.12;
  margin-bottom: 14px;
}
.section-title--light { color: var(--izah-creme); }
.section-lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--izah-cafe-soft);
  max-width: 62ch;
  margin: 0 0 36px;
}
.section-lead--light { color: rgba(246, 241, 232, 0.78); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--letter-loose);
  text-transform: uppercase;
  color: var(--izah-cafe-soft);
  margin: 0 0 14px;
}
.eyebrow--rose { color: var(--izah-rose); }
.eyebrow--gold { color: var(--izah-gold); }
.eyebrow--sage { color: var(--izah-sage); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn--lg { padding: 18px 34px; font-size: 16px; }
.btn--primary { background: var(--izah-cafe); color: var(--izah-creme); }
.btn--primary:hover { background: var(--izah-expresso); transform: translateY(-2px); box-shadow: var(--shadow-lift); opacity: 1; }
.btn--ghost { background: transparent; color: var(--izah-cafe); border-color: var(--izah-cafe); }
.btn--ghost:hover { background: var(--izah-cafe); color: var(--izah-creme); opacity: 1; }
.btn--rose { background: var(--izah-rose); color: var(--izah-creme); box-shadow: 0 12px 26px rgba(201, 55, 111, 0.28); }
.btn--rose:hover { background: #B22B5E; transform: translateY(-2px); opacity: 1; }
.btn--gold { background: var(--izah-gold); color: var(--izah-expresso); box-shadow: 0 12px 26px rgba(216, 175, 132, 0.34); }
.btn--gold:hover { background: #C99B6D; transform: translateY(-2px); opacity: 1; }
.btn--sage { background: var(--izah-sage); color: var(--izah-creme); }
.btn--sage:hover { background: #6F7C6A; opacity: 1; }

/* TOPBAR */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 18px;
  padding: 14px var(--gutter);
  background: rgba(246, 241, 232, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--izah-cafe-faint);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 26px;
  color: var(--izah-cafe);
  line-height: 1;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--izah-cafe);
}
.nav { display: none; margin-left: auto; gap: 24px; }
.nav a { font-size: 14px; font-weight: 500; color: var(--izah-cafe); }
.topbar__cta {
  margin-left: auto;
  background: var(--izah-cafe); color: var(--izah-creme);
  padding: 10px 18px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 600;
}
.topbar__cta:hover { background: var(--izah-expresso); opacity: 1; }
@media (min-width: 900px) {
  .nav { display: inline-flex; }
  .topbar__cta { margin-left: 0; }
}

/* HERO */
.hero {
  padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 8vw, 110px);
  background:
    radial-gradient(ellipse at top right, var(--izah-champagne-soft), transparent 55%),
    var(--izah-creme);
}
.hero__inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-inline: var(--gutter);
  display: grid; grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
@media (min-width: 960px) {
  .hero__inner { grid-template-columns: 1.15fr 1fr; }
}
.hero__title {
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.05;
  margin: 8px 0 18px;
  letter-spacing: -0.025em;
}
.hero__title em { color: var(--izah-cafe); font-style: italic; }
.hero__lead {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--izah-cafe-soft);
  max-width: 56ch;
  margin: 0 0 28px;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.hero__chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero__chips li {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--letter-loose);
  text-transform: uppercase;
  background: var(--izah-champagne-soft);
  color: var(--izah-cafe);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
}
.hero__photo {
  position: relative;
  margin: 0;
  border-radius: 36px;
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  background: var(--izah-champagne);
  aspect-ratio: 4/5;
  max-width: 480px;
  justify-self: center;
  width: 100%;
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.hero__sig {
  position: absolute;
  right: 22px; bottom: 18px;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 42px;
  color: var(--izah-cafe);
  text-shadow: 0 1px 6px rgba(246, 241, 232, 0.65);
  line-height: 1;
}

/* METHOD */
.method {
  padding: clamp(60px, 8vw, 110px) 0;
  background: var(--izah-creme);
  border-top: 1px solid var(--izah-cafe-faint);
}
.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-bottom: 36px;
}
@media (min-width: 760px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar {
  background: #fff;
  border: 1px solid var(--izah-cafe-faint);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.pillar__num {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--izah-gold);
  font-size: 28px;
  margin-bottom: 10px;
}
.pillar h3 { font-size: 22px; margin-bottom: 10px; line-height: 1.2; }
.pillar p { margin: 0; color: var(--izah-cafe-soft); font-size: 15.5px; }
.method__disclaimer {
  border-left: 3px solid var(--izah-rose);
  background: var(--izah-rose-soft);
  padding: 20px 26px;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}
.method__disclaimer strong { display: block; font-family: var(--font-display); font-size: 20px; color: var(--izah-rose); margin-bottom: 6px; }
.method__disclaimer p { margin: 0; color: var(--izah-cafe-soft); font-size: 15px; }

/* PFM */
.pfm {
  padding: clamp(60px, 8vw, 110px) 0;
  background:
    linear-gradient(180deg, var(--izah-creme), #fffaf2);
  border-top: 1px solid var(--izah-cafe-faint);
}
.pfm__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
  margin-bottom: 36px;
}
@media (min-width: 900px) { .pfm__grid { grid-template-columns: 360px 1fr; gap: 56px; } }
.price-card {
  background: #fff;
  border-radius: 22px;
  padding: 32px 28px;
  border: 1px solid var(--izah-cafe-faint);
  box-shadow: var(--shadow-soft);
  position: relative;
  text-align: left;
}
.price-card::before {
  content: "Ultima turma";
  position: absolute;
  top: -12px; left: 24px;
  background: var(--izah-rose);
  color: var(--izah-creme);
  font-size: 11px; font-weight: 600; letter-spacing: var(--letter-loose); text-transform: uppercase;
  padding: 6px 12px; border-radius: var(--radius-pill);
}
.price-card__from { font-size: 13px; color: var(--izah-cafe-soft); margin: 0; }
.price-card__strike { font-size: 14px; color: var(--izah-cafe-soft); margin: 4px 0; }
.price-card__strike s { color: rgba(71, 54, 48, 0.55); }
.price-card__big { font-family: var(--font-display); font-size: 38px; color: var(--izah-cafe); margin: 6px 0 4px; line-height: 1; }
.price-card__big strong { color: var(--izah-rose); font-weight: 700; }
.price-card__cash { font-size: 15px; margin: 0 0 22px; }
.price-card__cash strong { color: var(--izah-cafe); }
.price-card .btn { width: 100%; }
.price-card__warranty { font-size: 13px; color: var(--izah-cafe-soft); margin: 18px 0 0; line-height: 1.4; }

.pfm__what { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.pfm__what li {
  padding-left: 28px;
  position: relative;
  font-size: 16px;
  color: var(--izah-cafe);
}
.pfm__what li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--izah-rose);
  box-shadow: 0 0 0 4px var(--izah-rose-soft);
}
.pfm__forwhom {
  margin-top: 36px;
  background: #fff;
  border-radius: var(--radius-card);
  padding: 28px 30px;
  border: 1px solid var(--izah-cafe-faint);
}
.pfm__forwhom h3 { font-family: var(--font-display); font-size: 22px; margin: 0 0 16px; }
.pfm__forwhom ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.pfm__forwhom li {
  padding-left: 28px;
  position: relative;
  font-size: 16px;
  color: var(--izah-cafe-soft);
}
.pfm__forwhom li::before {
  content: "→"; position: absolute; left: 0; top: 0;
  color: var(--izah-rose); font-weight: 700;
}

/* PRISMA | premium high-ticket */
.prisma {
  padding: clamp(60px, 8vw, 110px) 0;
  background:
    radial-gradient(ellipse at top left, rgba(216, 175, 132, 0.18), transparent 55%),
    var(--izah-expresso);
  color: var(--izah-creme);
  position: relative;
}
.prisma__seal {
  display: inline-block;
  background: linear-gradient(135deg, var(--izah-gold), #BE9468);
  color: var(--izah-expresso);
  font-size: 11px; font-weight: 700; letter-spacing: var(--letter-loose); text-transform: uppercase;
  padding: 7px 14px; border-radius: var(--radius-pill);
  margin-bottom: 18px;
}
.prisma__grid {
  display: grid; grid-template-columns: 1fr;
  gap: 22px;
  margin: 36px 0 36px;
}
@media (min-width: 760px) { .prisma__grid { grid-template-columns: repeat(3, 1fr); } }
.prisma__card {
  background: rgba(246, 241, 232, 0.06);
  border: 1px solid rgba(216, 175, 132, 0.25);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  transition: transform .25s ease, border-color .25s ease;
}
.prisma__card:hover { transform: translateY(-4px); border-color: var(--izah-gold); }
.prisma__card h3 { color: var(--izah-creme); font-size: 21px; margin: 0 0 10px; }
.prisma__card p { margin: 0; color: rgba(246, 241, 232, 0.78); font-size: 15.5px; }
.prisma__hint { font-size: 13px; color: rgba(246, 241, 232, 0.55); margin: 16px 0 0; }

/* PROOF */
.proof {
  padding: clamp(60px, 8vw, 100px) 0;
  background: var(--izah-champagne-soft);
  border-top: 1px solid var(--izah-cafe-faint);
}
.proof__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
@media (min-width: 760px) { .proof__grid { grid-template-columns: repeat(4, 1fr); } }
.proof__item {
  background: var(--izah-creme);
  border-radius: var(--radius-card);
  padding: 26px 22px;
  text-align: center;
  border: 1px solid var(--izah-cafe-faint);
}
.proof__big {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 52px);
  color: var(--izah-cafe);
  line-height: 1;
  margin-bottom: 8px;
}
.proof__cap {
  display: block;
  font-size: 13px;
  color: var(--izah-cafe-soft);
  line-height: 1.4;
}

/* EBOOK */
.ebook {
  padding: clamp(60px, 8vw, 110px) 0;
  background: var(--izah-creme);
}
.ebook__inner {
  display: grid; grid-template-columns: 1fr; gap: 36px; align-items: center;
}
@media (min-width: 900px) { .ebook__inner { grid-template-columns: 1fr 1fr; gap: 64px; } }
.ebook__photo {
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  background: var(--izah-champagne);
  box-shadow: var(--shadow-soft);
  max-width: 480px;
  width: 100%;
  justify-self: center;
}
.ebook__photo img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }
.ebook__copy p { color: var(--izah-cafe-soft); font-size: 16.5px; max-width: 52ch; }
.ebook__hint { font-size: 13px; color: var(--izah-cafe-soft); margin-top: 12px; }

/* NEWSLETTER */
.newsletter {
  padding: clamp(60px, 8vw, 110px) 0;
  background: linear-gradient(180deg, var(--izah-creme), #ECEEE6);
  border-top: 1px solid var(--izah-cafe-faint);
}
.newsletter__inner {
  display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center;
}
@media (min-width: 900px) { .newsletter__inner { grid-template-columns: 1.1fr 1fr; gap: 64px; } }
.newsletter__copy p { color: var(--izah-cafe-soft); max-width: 56ch; }
.newsletter__form {
  background: #fff;
  border-radius: 22px;
  padding: 32px 28px;
  border: 1px solid var(--izah-cafe-faint);
  box-shadow: var(--shadow-soft);
}
.newsletter__form label { display: block; font-size: 13px; font-weight: 600; letter-spacing: var(--letter-loose); text-transform: uppercase; color: var(--izah-cafe-soft); margin-bottom: 10px; }
.newsletter__form input[type="email"] {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 16px;
  background: var(--izah-creme);
  border: 1px solid var(--izah-cafe-faint);
  border-radius: 12px;
  color: var(--izah-cafe);
  margin-bottom: 16px;
  transition: border-color .2s ease, background .2s ease;
}
.newsletter__form input[type="email"]:focus {
  outline: none;
  border-color: var(--izah-sage);
  background: #fff;
}
.newsletter__form .btn { width: 100%; }
.newsletter__hint { font-size: 13px; color: var(--izah-cafe-soft); margin: 14px 0 0; }

/* FAQ */
.faq { padding: clamp(60px, 8vw, 100px) 0; background: var(--izah-creme); border-top: 1px solid var(--izah-cafe-faint); }
.faq details {
  background: #fff;
  border: 1px solid var(--izah-cafe-faint);
  border-radius: var(--radius-card);
  padding: 20px 26px;
  margin-bottom: 12px;
  transition: box-shadow .2s ease;
}
.faq details[open] { box-shadow: var(--shadow-soft); }
.faq summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--izah-cafe);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 36px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 4px; top: -2px;
  font-size: 26px; font-weight: 400;
  color: var(--izah-rose);
  transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
  margin: 14px 0 0;
  color: var(--izah-cafe-soft);
  font-size: 15.5px;
  line-height: 1.65;
}

/* FINAL CTA */
.finalcta {
  padding: clamp(60px, 8vw, 100px) 0;
  background: var(--izah-cafe);
  color: var(--izah-creme);
  text-align: center;
}
.finalcta h2 {
  color: var(--izah-creme);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: 12px;
  max-width: 22ch;
  margin-inline: auto;
}
.finalcta p {
  color: rgba(246, 241, 232, 0.75);
  font-size: 17px;
  margin-bottom: 30px;
}

/* FOOTER */
.footer {
  background: var(--izah-expresso);
  color: rgba(246, 241, 232, 0.78);
  padding: clamp(50px, 6vw, 80px) 0 28px;
}
.footer__inner {
  display: grid; grid-template-columns: 1fr; gap: 32px;
}
@media (min-width: 760px) { .footer__inner { grid-template-columns: 1.2fr 1fr 1.1fr 1fr; gap: 40px; } }
.footer__col h4 {
  color: var(--izah-creme);
  font-family: var(--font-display);
  font-size: 17px;
  margin: 0 0 14px;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer__col a { color: rgba(246, 241, 232, 0.78); font-size: 14px; }
.footer__col a:hover { color: var(--izah-gold); opacity: 1; }
.footer__mark {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 38px;
  color: var(--izah-gold);
  line-height: 1;
  margin-bottom: 12px;
}
.footer__name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--izah-creme);
  margin: 0 0 6px;
}
.footer__desc { font-size: 14px; margin: 0; line-height: 1.55; }
.footer__legal { font-size: 13px; line-height: 1.6; margin: 0; }
.footer__bottom {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(246, 241, 232, 0.12);
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12.5px;
}
.footer__bottom a { color: var(--izah-gold); }
@media (min-width: 760px) {
  .footer__bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* FAB Instagram */
.fab {
  position: fixed;
  bottom: 22px; right: 22px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fdc468, #d83bb1 55%, #6e3fc8);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(216, 59, 177, 0.35);
  z-index: 80;
  transition: transform .25s ease, box-shadow .25s ease;
  animation: pulse 2.6s infinite;
}
.fab:hover {
  transform: scale(1.06);
  box-shadow: 0 16px 32px rgba(216, 59, 177, 0.5);
  opacity: 1;
}
.fab__tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%; transform: translateY(-50%);
  background: var(--izah-cafe);
  color: var(--izah-creme);
  font-size: 12.5px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 10px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  box-shadow: var(--shadow-soft);
}
.fab:hover .fab__tip { opacity: 1; }
@keyframes pulse {
  0% { box-shadow: 0 12px 28px rgba(216, 59, 177, 0.35), 0 0 0 0 rgba(216, 59, 177, 0.55); }
  70% { box-shadow: 0 12px 28px rgba(216, 59, 177, 0.35), 0 0 0 16px rgba(216, 59, 177, 0); }
  100% { box-shadow: 0 12px 28px rgba(216, 59, 177, 0.35), 0 0 0 0 rgba(216, 59, 177, 0); }
}

/* A11Y */
:focus-visible { outline: 2px solid var(--izah-rose); outline-offset: 3px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}