/* ==========================================================================
   BCAD — GRUPO BAILARINOS DE CRISTO AMOR E DOAÇÕES
   Responsividade · responsive.css — Mobile First
   ========================================================================== */

/* ============================================================
   BASE MOBILE (320px – 767px)
   ============================================================ */
.container { padding: 0 20px; }
.section { padding: 80px 0; }
.section-head { margin-bottom: 40px; }

/* Header / Nav */
.header { padding: 18px 0; background: rgba(23,8,16,0.55); backdrop-filter: blur(10px); }
.header__actions { gap: 10px; }
.header__actions .btn--sm { padding: 9px 14px; font-size: 0.72rem; }
.header__actions .btn--sm span { display: none; }

.nav__toggle { display: flex; }
.nav {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 84vw);
  height: 100vh;
  background: var(--color-black);
  padding: 100px 32px 32px;
  transform: translateX(100%);
  transition: transform var(--t-med);
  z-index: 190;
  box-shadow: -20px 0 60px rgba(0,0,0,0.45);
}
.nav.is-open { transform: translateX(0); }
.nav__list { flex-direction: column; align-items: flex-start; gap: 26px; }
.nav__link { font-size: 1.02rem; }

.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(4, 2, 3, 0.68);
  z-index: 180;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}
.nav-overlay.is-visible { opacity: 1; pointer-events: auto; }

/* Hero */
.hero { min-height: 100vh; padding: 0 0 56px; align-items: flex-end; }
.hero__title { font-size: clamp(1.9rem, 8vw, 2.4rem); margin: 18px 0 18px; }
.hero__subtitle { font-size: 1rem; max-width: 100%; margin-bottom: 32px; }
.hero__actions { flex-direction: column; align-items: stretch; margin-bottom: 40px; }
.hero__actions .btn { justify-content: center; }
.hero__indicators { grid-template-columns: 1fr 1fr; gap: 24px 16px; padding-top: 28px; }
.hero__indicators strong { font-size: 1.5rem; }
.scroll-cue { display: none; }

/* About */
.about__grid { grid-template-columns: 1fr; gap: 44px; }
.about__media img { aspect-ratio: 4/3.4; }
.about__badge { position: static; margin-top: -50px; margin-left: 16px; width: fit-content; }

/* Timeline */
.timeline__item { gap: 18px; padding: 18px 0; }
.timeline__year { width: 58px; height: 58px; font-size: 0.72rem; }
.timeline::before { left: 28px; }

/* MVV */
.mvv { padding: 64px 0; }
.mvv__grid { grid-template-columns: 1fr; gap: 18px; }

/* Practice / Áreas */
.practice__grid { grid-template-columns: 1fr; gap: 18px; }

/* Projects */
.projects__grid { grid-template-columns: 1fr; gap: 22px; }

/* Gallery */
.gallery__grid { grid-template-columns: 1fr 1fr; gap: 12px; }

/* Impact */
.impact { padding: 60px 0; }
.impact__grid { grid-template-columns: 1fr 1fr; gap: 30px 18px; }

/* Support */
.support__grid { grid-template-columns: 1fr; gap: 18px; }
.support-card p { min-height: 0; }

/* CTA final */
.cta-final { padding: 64px 0; }

/* Contact */
.contact__grid { grid-template-columns: 1fr; gap: 44px; }
.contact__form { padding: 28px; }
.form-row { grid-template-columns: 1fr; gap: 0; }

/* Footer */
.footer { padding-top: 56px; }
.footer__top { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
.footer__bottom { flex-direction: column; text-align: center; }

/* Back to top */
.back-to-top { width: 46px; height: 46px; font-size: 1.1rem; right: 18px; bottom: 18px; }

/* ============================================================
   ≥ 480px — telas maiores de celular
   ============================================================ */
@media (min-width: 480px) {
  .hero__actions { flex-direction: row; }
  .form-row { grid-template-columns: 1fr 1fr; gap: 20px; }
  .hero__indicators { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   ≥ 768px — TABLET
   ============================================================ */
@media (min-width: 768px) {
  .container { padding: 0 32px; }
  .section { padding: 104px 0; }

  .practice__grid { grid-template-columns: repeat(2, 1fr); }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery__grid { grid-template-columns: repeat(3, 1fr); }
  .mvv__grid { grid-template-columns: repeat(3, 1fr); }
  .support__grid { grid-template-columns: repeat(2, 1fr); }
  .impact__grid { grid-template-columns: repeat(4, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }

  .hero__title { font-size: clamp(2.2rem, 5.6vw, 3rem); }

  .about__grid { grid-template-columns: 1fr; }
  .about__badge { position: absolute; left: -28px; bottom: 36px; margin: 0; }

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

  .back-to-top { right: 24px; bottom: 24px; }
}

/* ============================================================
   ≥ 1024px — DESKTOP / NOTEBOOK — layout completo do template
   ============================================================ */
@media (min-width: 1024px) {
  .nav__toggle { display: none; }
  .nav {
    position: static;
    width: auto; height: auto;
    background: transparent;
    padding: 0;
    transform: none;
    box-shadow: none;
    z-index: auto;
  }
  .nav__list { flex-direction: row; align-items: center; gap: 30px; }
  .nav__link { font-size: 0.86rem; }
  .nav-overlay { display: none; }
  .header__actions .btn--sm span { display: inline; }
  .header { background: transparent; }

  .section { padding: 128px 0; }

  .hero { padding: 0 0 88px; }
  .hero__indicators strong { font-size: 2.1rem; }
  .scroll-cue { display: block; }

  .about__grid { grid-template-columns: 0.85fr 1.15fr; align-items: center; }

  .practice__grid { grid-template-columns: repeat(3, 1fr); }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery__grid { grid-template-columns: repeat(3, 1fr); }
  .support__grid { grid-template-columns: repeat(4, 1fr); }
  .support-card p { min-height: 66px; }

  .contact__grid { grid-template-columns: 0.85fr 1.15fr; }
  .form-row { grid-template-columns: 1fr 1fr; }

  .footer__top { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
}

/* ============================================================
   ≥ 1440px — TELAS GRANDES
   ============================================================ */
@media (min-width: 1440px) {
  :root { --container-w: 1300px; }
  .hero__title { font-size: 4.3rem; }
  .section-title { font-size: 2.9rem; }
}

/* ============================================================
   Telas muito pequenas (≤ 340px)
   ============================================================ */
@media (max-width: 340px) {
  .hero__title { font-size: 1.7rem; }
  .btn { padding: 13px 20px; font-size: 0.86rem; }
  .hero__indicators, .gallery__grid, .impact__grid { grid-template-columns: 1fr 1fr; }
  .brand__name { font-size: 1.25rem; }
}