/* =============================================================================
   PALESTRAS 360 — main.css
   Reset · tipografia · utilitários · header · hero · seções · tópicos
   para quem · formatos · faq · cta · relacionadas · footer · sticky CTA
   ============================================================================= */

@import "./tokens.css";

/* ── FONTES SELF-HOSTED (latin) — elimina RTT ao CDN externo ──────────────────
   Métricas de fallback calculadas com fontTools para minimizar CLS no swap.
   Montserrat UPM=1000 hhea asc=968 desc=251 | Open Sans UPM=2048 asc=2189 desc=600
   ──────────────────────────────────────────────────────────────────────────── */

@font-face {
  font-family: 'Montserrat';
  font-style:  normal;
  font-weight: 700 800;
  font-display: swap;
  src: url('/assets/fonts/montserrat-700-800-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,
                 U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,
                 U+2212,U+2215,U+FEFF,U+FFFD;
}

@font-face {
  font-family: 'Montserrat Fallback';
  font-style:  normal;
  font-weight: 700 800;
  src: local('Arial Bold'), local('Arial');
  ascent-override:   96.80%;
  descent-override:  25.10%;
  line-gap-override: 0%;
  size-adjust:       100%;
}

@font-face {
  font-family: 'Open Sans';
  font-style:  normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/assets/fonts/open-sans-400-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,
                 U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,
                 U+2212,U+2215,U+FEFF,U+FFFD;
}

@font-face {
  font-family: 'Open Sans Fallback';
  font-style:  normal;
  font-weight: 400 600;
  src: local('Arial');
  ascent-override:   106.88%;
  descent-override:  29.30%;
  line-gap-override: 0%;
  size-adjust:       100%;
}

/* ── 1. RESET + BASE ─────────────────────────────────────────────────────────── */

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

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

body {
  font-family: var(--font-body);
  font-size:   var(--text-base);
  line-height: var(--leading-body);
  color:       var(--color-text);
  background:  var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 3px solid var(--color-action);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

/* ── 2. LAYOUT UTILITIES ─────────────────────────────────────────────────────── */

.container {
  width: min(var(--container), 100% - var(--space-6) * 2);
  margin-inline: auto;
}

.container--narrow {
  width: min(var(--container-narrow), 100% - var(--space-6) * 2);
  margin-inline: auto;
}

.section {
  padding-block: var(--space-section);
  background-color: var(--color-bg);
}

.section__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-action);
  margin-bottom: var(--space-4);
}

.section__header { margin-bottom: clamp(2.5rem, 5vw, 4rem); }

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

.section__subtitle {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-text-2);
  max-width: 56ch;
}

/* ── 3. TIPOGRAFIA ───────────────────────────────────────────────────────────── */

.text-display {
  font-family: var(--font-display);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.text-lead  { font-size: var(--text-xl); line-height: var(--leading-snug); color: var(--color-text-2); }
.text-muted { color: var(--color-muted); }
.text-action { color: var(--color-action); }
.text-brand  { color: var(--color-brand); }

/* ── 4. BOTÕES ───────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: .875rem 1.75rem;
  border-radius: var(--radius-btn);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: .02em;
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
  transition:
    background-color var(--duration-base) var(--ease-out),
    box-shadow       var(--duration-base) var(--ease-out),
    transform        var(--duration-fast) var(--ease-out);
}
.btn:active { transform: translateY(1px); }

/* Primário — único acento de ação */
.btn--action {
  background-color: var(--color-action);
  color:            var(--color-on-action);
  box-shadow: 0 2px 8px rgba(0,188,212,.28);
}
.btn--action:hover, .btn--action:focus-visible {
  background-color: var(--color-action-hover);
  box-shadow: 0 4px 18px rgba(0,188,212,.40);
}

/* Ghost — sobre fundo escuro */
.btn--ghost {
  background-color: transparent;
  color:  var(--n-0);
  border: 2px solid rgba(255,255,255,.40);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  background-color: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.70);
}

/* Ghost — sobre fundo claro */
.btn--ghost-dark {
  background-color: transparent;
  color:  var(--color-brand);
  border: 2px solid var(--color-brand);
}
.btn--ghost-dark:hover, .btn--ghost-dark:focus-visible {
  background-color: var(--color-brand);
  color: var(--n-0);
}

.btn--sm {
  padding: .5rem 1.125rem;
  font-size: var(--text-xs);
  min-height: 36px;
}

.btn--lg {
  padding: 1.125rem 2.25rem;
  font-size: var(--text-base);
}

.btn--full { width: 100%; }

/* ── 5. HEADER / NAV ─────────────────────────────────────────────────────────── */

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  padding-block: var(--space-4);
  transition:
    background-color var(--duration-base) var(--ease-out),
    box-shadow       var(--duration-base) var(--ease-out),
    padding-block    var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled {
  background-color: rgba(13,33,55,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 24px rgba(0,0,0,.32);
  padding-block: var(--space-3);
}

.site-header.is-scrolled .logo__360 { font-size: 1.2rem; }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

/* Wordmark */
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  gap: 2px;
  flex-shrink: 0;
}

.logo__palestras {
  font-family: var(--font-display);
  font-size: .58rem;
  font-weight: var(--weight-bold);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--n-400);
}

.logo__360 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: var(--weight-black);
  letter-spacing: -.025em;
  color: var(--color-action);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--n-300);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.nav__link:hover { color: var(--n-0); }

.nav__phone {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--n-400);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-out);
}
.nav__phone:hover { color: var(--n-0); }

@media (max-width: 767px) {
  .nav__link, .nav__phone { display: none; }
}

/* ── 6. HERO ─────────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--brand-900);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    108deg,
    rgba(13,33,55,.93) 0%,
    rgba(13,33,55,.76) 52%,
    rgba(27,58,106,.52) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: clamp(6rem, 16vw, 9rem);
  padding-bottom: var(--space-section);
  max-width: 680px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: .375rem .9rem;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255,255,255,.22);
  background-color: rgba(255,255,255,.07);
  backdrop-filter: blur(4px);
  margin-bottom: var(--space-5);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--n-200);
}

.hero__badge-icon { flex-shrink: 0; }

.hero__h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--n-0);
  margin-bottom: var(--space-5);
}

.hero__subtitle {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--n-200);
  margin-bottom: var(--space-7);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--n-300);
}

.hero__trust-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background-color: var(--color-action);
  flex-shrink: 0;
  color: var(--color-on-action);
}

.hero__trust-check svg { width: 10px; height: 10px; }

/* ── 7. SOBRE ────────────────────────────────────────────────────────────────── */

.sobre__lead {
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  font-weight: var(--weight-medium);
  color: var(--color-brand);
  margin-bottom: var(--space-6);
  max-width: 60ch;
}

.sobre__body {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-text-2);
  max-width: 66ch;
}

/* ── 8. TÓPICOS ──────────────────────────────────────────────────────────────── */

.topics__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.topic-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.topic-card__num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-action);
  color: var(--color-on-action);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-black);
  display: flex;
  align-items: center;
  justify-content: center;
}

.topic-card__text {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1.45;
  color: var(--color-text);
}

/* ── 9. PARA QUEM ────────────────────────────────────────────────────────────── */

.audience__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: var(--space-4);
}

.audience-card {
  padding: var(--space-5);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-action);
  transition: box-shadow var(--duration-base) var(--ease-out);
}

.audience-card:hover { box-shadow: var(--shadow-md); }

.audience-card__icon {
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: var(--space-3);
  color: var(--color-action);
}

.audience-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-brand);
  line-height: var(--leading-snug);
}

/* ── 10. FORMATOS ────────────────────────────────────────────────────────────── */

.formats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-5);
}

.format-card {
  padding: var(--space-7) var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  transition:
    transform   var(--duration-base) var(--ease-out),
    box-shadow  var(--duration-base) var(--ease-out);
}

.format-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.format-card__icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto var(--space-5);
  color: var(--color-action);
}

.format-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-black);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.format-card__desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-body);
}

/* ── 11. FAQ ─────────────────────────────────────────────────────────────────── */

.faq__list {
  max-width: var(--container-narrow);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  transition: color var(--duration-fast) var(--ease-out);
}

.faq__question:hover,
.faq__item.is-open .faq__question { color: var(--color-brand); }

.faq__icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-full);
  background-color: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    transform        var(--duration-base) var(--ease-out);
  color: var(--color-muted);
}

.faq__item.is-open .faq__icon {
  background-color: var(--color-action);
  color: var(--color-on-action);
  transform: rotate(45deg);
}

.faq__icon svg { width: .9rem; height: .9rem; }

.faq__answer {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-text-2);
}

.faq__cta {
  text-align: center;
  margin-top: var(--space-8);
}

/* ── 12. CTA SECTION ─────────────────────────────────────────────────────────── */

.cta-section {
  padding-block: var(--space-section);
  text-align: center;
}

.cta-section__eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-action);
  margin-bottom: var(--space-4);
}

.cta-section__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--n-0);
  margin-bottom: var(--space-5);
}

.cta-section__sub {
  font-size: var(--text-lg);
  color: var(--n-300);
  margin-bottom: var(--space-7);
  max-width: 50ch;
  margin-inline: auto;
}

.cta-section__phone {
  display: block;
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--n-500);
}

.cta-section__phone a {
  color: var(--n-300);
  text-decoration: none;
}
.cta-section__phone a:hover { color: var(--n-0); }

/* ── 13. RELACIONADAS ────────────────────────────────────────────────────────── */

.related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-5);
}

.related-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition:
    box-shadow var(--duration-base) var(--ease-out),
    transform  var(--duration-base) var(--ease-out);
}

.related-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.related-card__img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--brand-700);
}

.related-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-out);
}

.related-card:hover .related-card__img { transform: scale(1.06); }

.related-card__img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,33,55,.72) 0%, rgba(13,33,55,.18) 55%, transparent 100%);
  transition: opacity var(--duration-base) var(--ease-out);
  pointer-events: none;
  z-index: 1;
}
.related-card:hover .related-card__img-wrap::after {
  opacity: 1.3; /* visual cue — browsers clamp to 1 */
  background: linear-gradient(to top, rgba(13,33,55,.86) 0%, rgba(13,33,55,.28) 55%, transparent 100%);
}

.related-card__tag { z-index: 2; }

.related-card__tag {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: .25rem .625rem;
  border-radius: var(--radius-full);
  background-color: rgba(0,0,0,.52);
  backdrop-filter: blur(4px);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--n-100);
}

.related-card__body {
  flex: 1;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.related-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-brand);
}

.related-card__desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}

.related-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-action);
  text-decoration: none;
  transition: gap var(--duration-fast) var(--ease-out);
}
.related-card:hover .related-card__link { gap: var(--space-2); }

/* ── 14. FOOTER ──────────────────────────────────────────────────────────────── */

.site-footer {
  background-color: var(--brand-900);
  color: var(--n-300);
  padding-block: var(--space-8) var(--space-6);
  border-top: 1px solid rgba(255,255,255,.07);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}

@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 1.5fr 1fr 1fr; gap: var(--space-9); }
}

.footer__brand .logo { margin-bottom: var(--space-4); }
.footer__brand .logo__palestras { color: var(--n-500); }

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--n-400);
  line-height: var(--leading-body);
  max-width: 34ch;
  margin-bottom: var(--space-4);
}

.footer__phone {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--n-200);
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--n-200);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--n-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.footer__links a:hover { color: var(--color-action); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--n-500);
}

/* ── 15. STICKY CTA (mobile) ─────────────────────────────────────────────────── */

.sticky-cta {
  position: fixed;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-sticky);
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity   var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.sticky-cta.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 767px) { .sticky-cta { display: block; } }

/* ── 16. BREADCRUMB ──────────────────────────────────────────────────────────── */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}

.breadcrumb a { color: var(--color-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-action); }
.breadcrumb__sep   { color: var(--color-border); }
.breadcrumb__current { color: var(--color-text-2); }

/* ── 17. BADGE ───────────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: .25rem .75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.badge--action { background-color: var(--action-100); color: var(--action-700); }
.badge--brand  { background-color: var(--brand-100);  color: var(--brand-700); }

/* ── 18. RESPONSIVE ──────────────────────────────────────────────────────────── */

@media (max-width: 1023px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}

/* ── 19. HERO — ajustes de imagem e Ken Burns ────────────────────────────── */

.hero__bg picture { display: block; width: 100%; height: 100%; }

@keyframes hero-ken-burns {
  from { transform: scale(1.04); }
  to   { transform: scale(1); }
}

.hero__img {
  animation: hero-ken-burns 14s ease-out forwards;
}

/* ── 20. HOME HERO ───────────────────────────────────────────────────────── */

.hero--home {
  background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-700) 70%, #143248 100%);
}

.hero--home::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(circle, rgba(0,188,212,.05) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
}

/* ── 21. VALUE BAND ──────────────────────────────────────────────────────── */

.value-band {
  background-color: var(--color-action);
  color: var(--color-on-action);
  padding-block: var(--space-4);
}

.value-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3) var(--space-6);
  list-style: none;
}

.value-band__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: .02em;
}

.value-band__sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-on-action);
  opacity: .35;
}

@media (max-width: 639px) {
  .value-band__sep { display: none; }
}

/* ── 22. CATÁLOGO — filtros + grid ───────────────────────────────────────── */

.catalogue {
  padding-block: var(--space-section);
}

.cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.cat-filter__btn {
  padding: .5rem 1.125rem;
  border-radius: var(--radius-btn);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-bg);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .03em;
  color: var(--color-text-2);
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color     var(--duration-fast) var(--ease-out),
    color            var(--duration-fast) var(--ease-out);
}

.cat-filter__btn:hover,
.cat-filter__btn.is-active {
  background-color: var(--color-brand);
  border-color: var(--color-brand);
  color: var(--n-0);
}

.catalogue__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-5);
}

/* ── 23. TALK CARD (catálogo home) ───────────────────────────────────────── */

.talk-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition:
    box-shadow  var(--duration-base) var(--ease-out),
    transform   var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

a.talk-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.talk-card__thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--brand-900);
  flex-shrink: 0;
}

.talk-card__thumb-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-out);
}

a.talk-card:hover .talk-card__thumb-img { transform: scale(1.06); }

/* Overlay premium: gradiente navy de baixo → transparente */
.talk-card__thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(13,33,55,.72) 0%,
    rgba(13,33,55,.20) 55%,
    transparent 100%
  );
  transition: background var(--duration-base) var(--ease-out);
  pointer-events: none;
  z-index: 1;
}

a.talk-card:hover .talk-card__thumb::after {
  background: linear-gradient(
    to top,
    rgba(13,33,55,.88) 0%,
    rgba(13,33,55,.30) 55%,
    transparent 100%
  );
}

.talk-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: .25rem .625rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .04em;
  text-transform: uppercase;
  z-index: 2;
}

.talk-card__badge--soon {
  background-color: rgba(0,0,0,.52);
  backdrop-filter: blur(4px);
  color: var(--n-300);
}

.talk-card__badge--new {
  background-color: var(--color-action);
  color: var(--color-on-action);
}

.talk-card__body {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.talk-card__cat {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-action);
}

.talk-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-brand);
  flex: 1;
}

.talk-card--soon .talk-card__title { color: var(--color-muted); }

.talk-card__link-hint {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-action);
}

/* ── 24. PLACEHOLDER PREMIUM (catálogo sem imagem) ───────────────────────── */

.thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-700) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb-placeholder svg {
  width: 3rem;
  height: 3rem;
  stroke: rgba(0,188,212,.45);
  flex-shrink: 0;
}

/* ── 25. SCROLL REVEAL ───────────────────────────────────────────────────── */

.js-reveal .section,
.js-reveal .topic-card,
.js-reveal .audience-card,
.js-reveal .format-card,
.js-reveal .faq__item,
.js-reveal .related-card,
.js-reveal .talk-card {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity   420ms var(--ease-out),
    transform 420ms var(--ease-out);
}

.js-reveal .section.is-revealed,
.js-reveal .topic-card.is-revealed,
.js-reveal .audience-card.is-revealed,
.js-reveal .format-card.is-revealed,
.js-reveal .faq__item.is-revealed,
.js-reveal .related-card.is-revealed,
.js-reveal .talk-card.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger nos grids — delay crescente nos filhos */
.js-reveal .topics__grid    .topic-card:nth-child(2)   { transition-delay:  60ms; }
.js-reveal .topics__grid    .topic-card:nth-child(3)   { transition-delay: 120ms; }
.js-reveal .topics__grid    .topic-card:nth-child(n+4) { transition-delay: 180ms; }
.js-reveal .audience__grid  .audience-card:nth-child(2){ transition-delay:  60ms; }
.js-reveal .audience__grid  .audience-card:nth-child(n+3){ transition-delay: 120ms; }
.js-reveal .formats__grid   .format-card:nth-child(2)  { transition-delay:  80ms; }
.js-reveal .formats__grid   .format-card:nth-child(3)  { transition-delay: 160ms; }

/* ── 26. PREFERS-REDUCED-MOTION ──────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .hero__img { animation: none; }

  .js-reveal .section,
  .js-reveal .topic-card,
  .js-reveal .audience-card,
  .js-reveal .format-card,
  .js-reveal .faq__item,
  .js-reveal .related-card,
  .js-reveal .talk-card {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .talk-card__thumb-img,
  .related-card__img { transition: none; }
}