/* ============================================================
   BIBLIOTECA DO BATERISTA — styles.css
   ============================================================ */

/* ── 1. Variáveis e Reset ───────────────────────────────── */
:root {
  --dark:       #101416;
  --dark-soft:  #181e21;
  --paper:      #f7f5ef;
  --white:      #ffffff;
  --text:       #161a1d;
  --muted:      #636c72;
  --line:       #e4e1d9;
  --accent:     #d5a647;
  --accent-dark:#ae8130;
  --cta:        #1f856d;
  --cta-hover:  #176b58;
  --danger:     #b94242;

  --radius-sm:  12px;
  --radius-md:  18px;
  --radius-lg:  24px;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.06);
  --shadow-md:  0 4px 20px rgba(0,0,0,.09);
  --shadow-lg:  0 8px 36px rgba(0,0,0,.13);

  --max-w:      1100px;
  --px:         20px;
  --transition: 180ms ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

body {
  font-family: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(1.02rem, 1.5vw, 1.12rem);
  font-weight: 400;
  color: var(--text);
  background: var(--white);
  line-height: 1.72;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── 2. Utilitários ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── 3. Botões ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .85rem 1.6rem;
  border-radius: 12px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .01em;
  line-height: 1.2;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), transform var(--transition);
}
.btn:active { transform: scale(.97); }

.btn--cta {
  background: var(--cta);
  color: var(--white);
}
.btn--cta:hover, .btn--cta:focus-visible {
  background: var(--cta-hover);
  box-shadow: 0 4px 20px rgba(31,133,109,.38);
}

.btn--outline {
  background: transparent;
  color: var(--cta);
  border: 2px solid var(--cta);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--cta);
  color: var(--white);
}

/* ── 4. Hero ─────────────────────────────────────────────── */
.hero {
  background: var(--dark);
  padding-top: clamp(48px, 8vw, 80px);
  padding-bottom: clamp(56px, 8vw, 88px);
  overflow: hidden;
  position: relative;
}

.hero__deco {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 55% at 70% 50%, rgba(213,166,71,.07) 0%, transparent 70%);
  pointer-events: none;
}

/* Mobile: coluna centrada */
.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  text-align: center;
}

.hero__headline {
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  letter-spacing: -.02em;
}

.hero__accent {
  background: linear-gradient(135deg, #f4c86a 0%, #d5a647 55%, #c09030 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1.2rem, 2.3vw, 1.55rem);
  font-weight: 600;
  line-height: 1.5;
  color: rgba(255,255,255,.7);
  max-width: 34ch;
}

.hero__mockup {
  width: 100%;
  max-width: 480px;
}

.hero__mockup img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  filter: drop-shadow(0 20px 48px rgba(0,0,0,.5));
}

.hero__cta {
  padding: 1rem 2.2rem;
  font-size: 1.1rem;
  border-radius: 14px;
}

.hero__checklist {
  width: min(100%, 560px);
  margin-inline: auto;
  display: grid;
  gap: 16px;
}

.hero__checklist li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  font-weight: 600;
  color: rgba(255,255,255,.72);
  text-align: left;
}

.hero__checklist svg {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  color: var(--cta);
}

/* Desktop hero: grid 2 col */
@media (min-width: 768px) {
  .hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 3.5rem;
    row-gap: 1.4rem;
    align-items: start;
    text-align: center;
  }
  .hero__headline  { grid-column: 1; grid-row: 1; }
  .hero__sub       { grid-column: 1; grid-row: 2; max-width: unset; }
  .hero__cta       { grid-column: 1; grid-row: 3; justify-self: center; }
  .hero__checklist { grid-column: 1; grid-row: 4; align-self: start; }
  .hero__mockup    {
    grid-column: 2;
    grid-row: 1 / 5;
    align-self: center;
    max-width: 100%;
  }
}

/* ── 5. Seção genérica ───────────────────────────────────── */
.section { padding: clamp(56px, 7vw, 88px) 0; }
.section--paper { background: var(--paper); }
.section--white { background: var(--white); }
.section--dark  { background: var(--dark); }

.section__header {
  text-align: center;
  margin-bottom: 2.8rem;
}

.section__header h2 {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  letter-spacing: -.02em;
}

.section--dark .section__header h2 { color: var(--white); }

.section__sub {
  margin-top: .7rem;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--muted);
  max-width: 50ch;
  margin-inline: auto;
  line-height: 1.65;
}

.section--dark .section__sub { color: rgba(255,255,255,.58); }

.section__cta {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

/* ── 6. Problema e Solução ───────────────────────────────── */
.ps-grid {
  display: grid;
  gap: 1.2rem;
}

@media (min-width: 640px) {
  .ps-grid { grid-template-columns: 1fr 1fr; }
}

.ps-col {
  border-radius: var(--radius-md);
  padding: 2rem 2rem 2rem;
}

.ps-col--problem {
  background: rgba(185,66,66,.05);
  border: 1.5px solid rgba(185,66,66,.14);
}

.ps-col--solution {
  background: rgba(31,133,109,.05);
  border: 1.5px solid rgba(31,133,109,.2);
}

.ps-col__title {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: -.01em;
}

.ps-col--problem .ps-col__title { color: var(--danger); }
.ps-col--solution .ps-col__title { color: var(--cta); }

.ps-list {
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.ps-list li {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  font-weight: 600;
  line-height: 1.4;
}

.ps-list svg { flex-shrink: 0; width: 20px; height: 20px; }
.ps-col--problem .ps-list svg { color: var(--danger); }
.ps-col--solution .ps-list svg { color: var(--cta); }

/* ── 7. Galeria da biblioteca ─────────────────────────────── */
.library-gallery {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  width: min(100%, 900px);
  margin-inline: auto;
}

.library-gallery img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,.1);
  display: block;
}

/* ── 7b. Reveal animations ───────────────────────────────── */
.reveal-section {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 550ms ease, transform 550ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal-section {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── 8. Como funciona ────────────────────────────────────── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  gap: 1.3rem;
  align-items: flex-start;
}

.step__num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid rgba(213,166,71,.25);
}

.step__body h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  font-weight: 800;
  margin-bottom: .3rem;
}

.step__body p {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--muted);
  line-height: 1.6;
}

@media (min-width: 640px) {
  .steps {
    flex-direction: row;
    gap: 0;
    position: relative;
  }

  .step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding: 0 1rem;
    position: relative;
  }

  .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 26px;
    left: calc(50% + 34px);
    right: calc(-50% + 34px);
    height: 2px;
    background: linear-gradient(90deg, rgba(213,166,71,.35), rgba(213,166,71,.08));
  }

  .step__num { margin-bottom: .75rem; }
}

/* ── 9. Benefícios ───────────────────────────────────────── */
.benefits-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) { .benefits-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .benefits-grid { grid-template-columns: repeat(4, 1fr); } }

.benefit-card {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.benefit-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.benefit-card__icon {
  width: 44px;
  height: 44px;
  color: var(--cta);
  margin: 0 auto 1rem;
}

.benefit-card h3 {
  font-size: clamp(1.05rem, 1.5vw, 1.18rem);
  font-weight: 800;
  margin-bottom: .45rem;
}

.benefit-card p {
  font-size: clamp(.95rem, 1.3vw, 1.05rem);
  color: var(--muted);
  line-height: 1.6;
}

/* ── 10. Bônus ───────────────────────────────────────────── */
.bonus-grid { display: grid; gap: 1rem; }

@media (min-width: 640px) { .bonus-grid { grid-template-columns: 1fr 1fr; } }

@media (min-width: 1024px) {
  .bonus-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
  }
  .bonus-card:nth-child(1) { grid-column: 1 / 3; }
  .bonus-card:nth-child(2) { grid-column: 3 / 5; }
  .bonus-card:nth-child(3) { grid-column: 5 / 7; }
  .bonus-card:nth-child(4) { grid-column: 2 / 4; }
  .bonus-card:nth-child(5) { grid-column: 4 / 6; }
}

.bonus-card {
  background: var(--dark-soft);
  border: 1.5px solid rgba(213,166,71,.15);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.6rem;
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  transition: border-color var(--transition);
}

.bonus-card:hover { border-color: rgba(213,166,71,.35); }

.bonus-card__icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  flex-shrink: 0;
}

.bonus-card__num {
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: .3rem;
}

.bonus-card h3 {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: .35rem;
  line-height: 1.3;
}

.bonus-card p {
  font-size: clamp(.9rem, 1.2vw, .98rem);
  color: rgba(255,255,255,.55);
  line-height: 1.6;
}

/* ── 11. Planos ──────────────────────────────────────────── */
.plans-grid {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.plan-card {
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  text-align: center;
}

.plan-card--featured {
  background: linear-gradient(160deg, #ffffff 0%, #fffcf4 100%);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(213,166,71,.15), var(--shadow-lg);
}

.plan-card__badge {
  position: absolute;
  top: -1px;
  right: 1.75rem;
  background: var(--accent);
  color: var(--dark);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .85rem;
  border-radius: 0 0 10px 10px;
}

.plan-card__label {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .5rem;
}

.plan-card--featured .plan-card__label { color: var(--accent-dark); }

.plan-card__desc {
  font-size: clamp(.95rem, 1.3vw, 1.05rem);
  color: var(--muted);
  margin-bottom: 1.4rem;
  line-height: 1.5;
}

.plan-card__price { margin-bottom: 1.6rem; }

.plan-card__currency {
  font-size: 1.1rem;
  font-weight: 700;
  vertical-align: top;
  line-height: 2.6;
  color: var(--text);
}

.plan-card__value {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.05;
  color: var(--text);
  letter-spacing: -.03em;
}

.plan-card__period {
  font-size: .85rem;
  color: var(--muted);
  display: block;
  margin-top: .25rem;
}

.plan-card__items {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  margin-bottom: 2rem;
  flex: 1;
  text-align: left;
}

.plan-card__item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: clamp(.95rem, 1.3vw, 1.05rem);
}

.plan-card__item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.plan-card__item--yes svg { color: var(--cta); }
.plan-card__item--no  { color: var(--muted); }
.plan-card__item--no svg { color: var(--muted); opacity: .5; }

.plan-card__btn {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1.05rem;
  border-radius: 12px;
  margin-bottom: .8rem;
}

.plan-card__note {
  font-size: .78rem;
  color: var(--muted);
}

@media (min-width: 768px) {
  .plans-grid {
    flex-direction: row;
    align-items: stretch;
  }
  .plans-grid > * { flex: 1; }
}

/* ── 12. Garantia ────────────────────────────────────────── */
.guarantee {
  margin-top: 2.5rem;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
}

.guarantee__icon {
  width: 52px;
  height: 52px;
  color: var(--cta);
  flex-shrink: 0;
}

.guarantee__tag {
  display: inline-block;
  background: var(--cta);
  color: var(--white);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .22rem .7rem;
  border-radius: 100px;
  margin-bottom: .55rem;
}

.guarantee h3 {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  font-weight: 800;
  margin-bottom: .45rem;
}

.guarantee p {
  font-size: clamp(.93rem, 1.3vw, 1.02rem);
  color: var(--muted);
  line-height: 1.65;
}

/* ── 13. FAQ ──────────────────────────────────────────────── */
.faq-wrap { max-width: 740px; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

details.faq-item {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

details.faq-item[open] { border-color: rgba(31,133,109,.3); }

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  cursor: pointer;
  font-weight: 700;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  list-style: none;
  user-select: none;
  transition: color var(--transition);
}

.faq-summary::-webkit-details-marker { display: none; }
details.faq-item[open] .faq-summary { color: var(--cta); }

.faq-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--muted);
  transition: transform var(--transition), color var(--transition);
}

details.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  color: var(--cta);
}

.faq-body {
  padding: 0 1.4rem 1.2rem;
  font-size: clamp(.95rem, 1.3vw, 1.05rem);
  color: var(--muted);
  line-height: 1.7;
}

/* ── 14. CTA Final ───────────────────────────────────────── */
.cta-final {
  background: var(--dark);
  padding: clamp(64px, 8vw, 96px) 0;
  position: relative;
  overflow: hidden;
}

.cta-final__deco {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(213,166,71,.07) 0%, transparent 65%);
  pointer-events: none;
}

.cta-final__inner {
  position: relative;
  text-align: center;
}

.cta-final h2 {
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: .75rem;
  letter-spacing: -.02em;
  line-height: 1.15;
}

.cta-final__sub {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  color: rgba(255,255,255,.62);
  margin-bottom: 2rem;
}

.cta-final__btn {
  padding: 1.1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 14px;
}

/* ── 15. Rodapé ───────────────────────────────────────────── */
.footer {
  background: var(--dark-soft);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 2.4rem 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

.footer__brand {
  font-size: .92rem;
  font-weight: 800;
  color: var(--white);
}

.footer__tag { font-size: .76rem; color: rgba(255,255,255,.38); }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.4rem;
  justify-content: center;
}

.footer__links a {
  font-size: .8rem;
  color: rgba(255,255,255,.42);
  transition: color var(--transition);
}

.footer__links a:hover { color: rgba(255,255,255,.78); }

.footer__copy { font-size: .74rem; color: rgba(255,255,255,.26); }

/* ── 16. Modal ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(10,14,16,.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  width: 100%;
  max-width: 500px;
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  position: relative;
  transform: translateY(18px);
  transition: transform .22s ease;
}

.modal-overlay.active .modal { transform: translateY(0); }

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--paper);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.modal__close:hover { background: var(--line); }
.modal__close svg { width: 16px; height: 16px; }

.modal__pre {
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .45rem;
}

.modal__title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: .75rem;
  letter-spacing: -.02em;
}

.modal__body {
  font-size: clamp(.95rem, 1.3vw, 1rem);
  color: var(--muted);
  margin-bottom: 1.2rem;
  line-height: 1.65;
}

.modal__list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.modal__list li {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: clamp(.92rem, 1.3vw, 1rem);
}

.modal__list svg {
  width: 16px;
  height: 16px;
  color: var(--cta);
  flex-shrink: 0;
}

.modal__price-box {
  background: var(--paper);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.3rem;
  margin-bottom: 1.4rem;
  display: flex;
  align-items: baseline;
  gap: .9rem;
  flex-wrap: wrap;
}

.modal__price-old {
  font-size: .9rem;
  text-decoration: line-through;
  color: var(--muted);
}

.modal__price-new {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--cta);
  line-height: 1;
  letter-spacing: -.02em;
}

.modal__price-period {
  font-size: .8rem;
  color: var(--muted);
  display: block;
  margin-top: .15rem;
}

.modal__btn-primary {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  border-radius: 12px;
  margin-bottom: .9rem;
}

.modal__btn-secondary {
  display: block;
  width: 100%;
  text-align: center;
  font-size: .85rem;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: .4rem;
  transition: color var(--transition);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.modal__btn-secondary:hover { color: var(--text); }

.modal__disclaimer {
  margin-top: 1rem;
  font-size: .73rem;
  color: var(--muted);
  line-height: 1.55;
  text-align: center;
  border-top: 1px solid var(--line);
  padding-top: .9rem;
}

/* ── 17. Toast ───────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--dark);
  color: var(--white);
  font-size: .88rem;
  font-weight: 600;
  padding: .8rem 1.5rem;
  border-radius: 100px;
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
  pointer-events: none;
  white-space: nowrap;
  max-width: calc(100vw - 2rem);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── 18. Responsividade ──────────────────────────────────── */
@media (min-width: 480px) { :root { --px: 28px; } }
@media (min-width: 768px) { :root { --px: 36px; } }
@media (min-width: 1024px) { :root { --px: 44px; } }

#planos { scroll-margin-top: 24px; }