/**
 * style.css — Billie Global BR
 * -----------------------------------------------------------------------
 * Design monocromático inspirado em Apple / Vercel / Notion.
 * Sinal próprio: o "equalizador" — três barras finas em preto que
 * pulsam junto às tags "AO VIVO" / categoria, uma referência discreta
 * ao universo musical sem recorrer a cor ou ícones chamativos.
 * -----------------------------------------------------------------------
 */

@import url('variables.css');

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input { font: inherit; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition-base), color var(--transition-base);
}

:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ============ UTILITÁRIOS ============ */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-left: 2px solid var(--color-black);
  padding-left: var(--space-2);
}

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

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-small);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.btn-primary {
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
}
.btn-primary:hover { background: #1f1f1f; }
.btn-outline {
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-black); }

/* ============ SINAL: EQUALIZADOR ============ */
.equalizer {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}
.equalizer span {
  width: 2px;
  background: var(--color-black);
  animation: eq 1s ease-in-out infinite;
}
.equalizer span:nth-child(1) { height: 40%; animation-delay: 0s; }
.equalizer span:nth-child(2) { height: 100%; animation-delay: 0.2s; }
.equalizer span:nth-child(3) { height: 65%; animation-delay: 0.4s; }
@keyframes eq {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-4);
}
.logo {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-links a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding-block: var(--space-1);
}
.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--color-text);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--color-black);
  transition: right var(--transition-base);
}
.nav-links a:hover::after { right: 0; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: background var(--transition-fast);
}
.icon-btn:hover { background: var(--color-bg-subtle); }
.icon-btn svg { width: 20px; height: 20px; }

.hamburger { display: none; }

/* Busca instantânea no header */
.search-panel {
  position: absolute;
  inset: 100% 0 auto 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5);
  display: none;
}
.search-panel.is-open { display: block; }
.search-input {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-h3);
}
.search-results {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
  max-height: 60vh;
  overflow-y: auto;
}
.search-result-item {
  display: flex;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.search-result-item img { width: 64px; height: 64px; object-fit: cover; border-radius: var(--radius-sm); }
.search-empty { color: var(--color-text-muted); padding-block: var(--space-4); }

/* Menu mobile */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 100;
  padding: var(--space-5);
  flex-direction: column;
  gap: var(--space-6);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu a {
  font-size: var(--fs-h2);
  font-weight: 600;
  display: block;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* ============ HERO / DESTAQUE ============ */
.hero {
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--space-7);
}
.hero-featured img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}
.hero-featured h1 {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  margin-block: var(--space-4);
}
.hero-featured p {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 55ch;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}
.meta-row .dot::before { content: '•'; margin-inline: var(--space-2); }

.hero-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.hero-side-item {
  display: flex;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.hero-side-item:last-child { border-bottom: none; padding-bottom: 0; }
.hero-side-item img {
  width: 96px; height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.hero-side-item h3 { font-size: var(--fs-h3); font-weight: 600; line-height: var(--lh-snug); }

/* ============ SEÇÕES ============ */
.section {
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}
.section-header h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.section-header a {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text-secondary);
}
.section-header a:hover { color: var(--color-text); }

/* ============ GRID DE NOTÍCIAS ============ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: var(--space-6);
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
}
.card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}
.card:hover .card-image img { transform: scale(1.04); }
.card-category {
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.card h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: var(--lh-snug);
}
.card p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}
.card .meta-row { margin-top: 0; font-size: 0.8125rem; }

/* Mais lidas — lista numerada por relevância (ranking real, não decorativo) */
.ranked-list { display: flex; flex-direction: column; }
.ranked-item {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.ranked-item:first-child { padding-top: 0; }
.ranked-item:last-child { border-bottom: none; }
.ranked-item .rank {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-border-strong);
  width: 40px;
  flex-shrink: 0;
}
.ranked-item img { width: 88px; height: 88px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
.ranked-item h3 { font-size: var(--fs-body); font-weight: 600; }

/* Categorias — pills */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.category-pill {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  font-size: var(--fs-small);
  font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.category-pill:hover,
.category-pill.is-active {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

/* ============ PÁGINA DE NOTÍCIA ============ */
.article-header { padding-block: var(--space-7); }
.article-header .eyebrow { margin-bottom: var(--space-4); }
.article-header h1 {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
}
.article-header .subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  max-width: 65ch;
}
.article-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-block: var(--space-6);
}
.share-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-block: 1px solid var(--color-border);
  margin-block: var(--space-6);
}
.share-row span { font-size: var(--fs-small); color: var(--color-text-muted); margin-right: var(--space-2); }

.article-body {
  max-width: 70ch;
  font-size: 1.0625rem;
  line-height: var(--lh-normal);
}
.article-body p { margin-bottom: var(--space-5); }
.article-body strong { font-weight: 700; }
.article-body a { text-decoration: underline; text-underline-offset: 2px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3);
  margin-block: var(--space-6);
}
.gallery img { aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-sm); }

.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-block: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.video-embed iframe { width: 100%; height: 100%; border: none; }

.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-block: var(--space-6); }
.tag {
  font-size: var(--fs-eyebrow);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  color: var(--color-text-secondary);
}

.comments-placeholder {
  padding: var(--space-6);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

/* ============ FOOTER ============ */
.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}
.footer-grid h4 {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}
.footer-grid a, .footer-grid p {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.footer-grid a:hover { color: var(--color-text); }
.footer-disclaimer {
  font-size: var(--fs-eyebrow);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  max-width: 70ch;
}

/* ============ RESPONSIVO ============ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .hamburger { display: inline-flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-header h1, .hero-featured h1 { font-size: var(--fs-h1); }
}

@media (min-width: 1600px) {
  .container { max-width: 1440px; }
}