/* ==========================================================================
   PLANNIFY — folha de estilos
   Portal editorial sobre astronomia, Lua e terras raras.
   ========================================================================== */

/* Fraunces, Inter e JetBrains Mono são carregadas via <link> em includes/header.php
   (mais rápido que @import, que bloqueia o parsing do CSS até o fetch terminar). */

:root {
  --bg-void:      #050610;
  --bg-deep:      #090c1a;
  --panel:        #0d1226;
  --panel-raised: #121834;
  --blue-deep:    #0e1a3f;
  --blue-mid:     #1b2c63;
  --violet:       #4a2f86;
  --violet-soft:  #7a5cc9;
  --silver:       #c7d0e0;
  --silver-bright:#f1f4fa;
  --ink:          #a6afc4;
  --ink-dim:      #6f7793;
  --white:        #f6f7fb;
  --cyan:         #7fd8f5;
  --amber:        #e2ac6b;
  --amber-soft:   #c98f52;
  --line:         rgba(199, 208, 224, 0.12);
  --line-strong:  rgba(199, 208, 224, 0.22);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-label:   "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --radius-lg: 4px;
  --radius-md: 3px;
  --radius-sm: 2px;

  --wrap: 1200px;

  --ease: cubic-bezier(.22, .8, .3, 1);
  --shadow-lift: 0 24px 50px -28px rgba(0,0,0,.75);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
::selection { background: var(--violet-soft); color: var(--white); }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- background texture: grain + starfield ---------- */
.grain {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  opacity: .05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.starfield {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-deep) 100%);
  overflow: hidden;
}
.starfield .star {
  position: absolute;
  width: var(--s, 2px); height: var(--s, 2px);
  border-radius: 50%;
  background: var(--silver-bright);
  opacity: var(--o, .6);
  animation: twinkle var(--dur, 6s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}
@keyframes twinkle {
  0%, 100% { opacity: var(--o, .6); transform: scale(1); }
  50%      { opacity: .15; transform: scale(.7); }
}

/* ---------- header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: 22px 0;
  transition: background var(--ease) .4s, padding var(--ease) .4s, border-color var(--ease) .4s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(5, 6, 16, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  padding: 14px 0;
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 10px; color: var(--white); }
.brand-mark { color: var(--silver-bright); display: inline-flex; filter: drop-shadow(0 0 8px rgba(199,208,224,.35)); }
.brand-name {
  font-family: var(--font-label);
  font-size: 16px;
  letter-spacing: .02em;
  text-transform: uppercase;
  font-weight: 500;
}

.main-nav { display: flex; gap: 30px; }
.main-nav a {
  font-family: var(--font-label);
  font-size: 12.5px;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
  transition: color .25s var(--ease);
}
.main-nav a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px;
  background: var(--amber);
  transition: right .3s var(--ease);
}
.main-nav a:hover { color: var(--white); }
.main-nav a:hover::after { right: 0; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 22px; height: 1.5px; background: var(--silver-bright); transition: transform .3s var(--ease), opacity .3s var(--ease); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-label);
  font-size: 12.5px; letter-spacing: .02em; text-transform: uppercase;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.btn-primary {
  background: var(--silver-bright);
  color: var(--bg-void);
  border-color: var(--silver-bright);
}
.btn-primary:hover { background: var(--white); transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--silver-bright);
}
.btn-ghost:hover { border-color: var(--silver-bright); background: rgba(255,255,255,.04); transform: translateY(-2px); }
.btn svg { width: 14px; height: 14px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 120px;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: -10%;
  background: radial-gradient(58% 50% at 78% 30%, rgba(27, 44, 99, .5), transparent 68%);
  z-index: -2;
}

.orbit-diagram {
  position: absolute; z-index: -1; top: 0; right: -4%;
  width: min(58vw, 800px); height: min(58vw, 800px);
  opacity: .4;
  color: var(--silver);
}

.hero-moon {
  position: absolute;
  top: 8%;
  right: -6%;
  width: min(46vw, 640px);
  height: min(46vw, 640px);
  border-radius: 50%;
  z-index: -1;
  background:
    radial-gradient(circle at 32% 30%, #f4f2ee 0%, #d9d6ce 10%, #b8b6b3 26%, #7d7c82 46%, #34343f 68%, #101018 82%);
  box-shadow:
    inset -60px -40px 110px rgba(0,0,0,.65),
    0 0 140px rgba(199, 208, 224, .18);
  animation: driftSlow 34s ease-in-out infinite alternate;
}
.hero-moon::before, .hero-moon::after {
  content: "";
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(0,0,0,.32), transparent 70%);
}
.hero-moon::before { width: 18%; height: 18%; top: 22%; left: 28%; }
.hero-moon::after   { width: 11%; height: 11%; top: 55%; left: 60%; }

@keyframes driftSlow {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-2%, 3%) scale(1.05); }
}

.hero-content {
  position: relative;
  max-width: 700px;
  margin: 0;
  padding-left: clamp(24px, 6vw, 84px);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-label);
  font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 26px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--amber); }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 5.2vw, 4.6rem);
  line-height: 1.06;
  color: var(--white);
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--amber);
}

.hero-desc {
  margin-top: 26px;
  max-width: 520px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}

.hero-actions { margin-top: 44px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }

.hero-meta {
  margin-top: 76px;
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
}
.hero-meta div { display: flex; flex-direction: column; gap: 4px; }
.hero-meta strong {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--white);
  font-weight: 500;
}
.hero-meta span {
  font-family: var(--font-label);
  font-size: 11.5px; letter-spacing: .02em; text-transform: uppercase;
  color: var(--ink-dim);
}

.scroll-cue {
  position: absolute; left: 50%; bottom: 40px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--ink-dim);
  font-family: var(--font-label); font-size: 11px; letter-spacing: .02em; text-transform: uppercase;
}
.scroll-cue .line { width: 1px; height: 34px; background: linear-gradient(var(--ink-dim), transparent); animation: cueMove 2.2s ease-in-out infinite; }
@keyframes cueMove { 0% { opacity: 0; } 40% { opacity: 1; } 100% { opacity: 0; transform: scaleY(1.15); } }

/* ---------- section shell ---------- */
section { position: relative; z-index: 1; }
.section { padding: 130px 0; }
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 30px;
  margin-bottom: 60px; flex-wrap: wrap;
}
.section-tag {
  font-family: var(--font-label);
  font-size: 12.5px; letter-spacing: .02em; text-transform: uppercase;
  color: var(--amber);
  display: block; margin-bottom: 18px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  color: var(--white);
  max-width: 560px;
  line-height: 1.18;
}
.section-note { max-width: 380px; font-size: 15px; color: var(--ink-dim); padding-bottom: 6px; }

/* ---------- filters ---------- */
.filters { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 50px; }
.filter-pill {
  font-family: var(--font-label);
  font-size: 12.5px; letter-spacing: .02em; text-transform: uppercase;
  padding: 10px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  transition: all .3s var(--ease);
}
.filter-pill:hover { color: var(--white); border-color: var(--silver); }
.filter-pill.is-active {
  background: var(--silver-bright);
  color: var(--bg-void);
  border-color: var(--silver-bright);
}

/* ---------- news grid ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.news-card {
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--panel-raised), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .5s var(--ease), border-color .4s var(--ease), box-shadow .5s var(--ease);
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lift);
}
.news-card.is-hidden { display: none; }

.card-visual-link { display: block; aspect-ratio: 4 / 3; transform: translateZ(0); }
.card-body { padding: 26px 26px 30px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

.tag {
  font-family: var(--font-label);
  font-size: 11px; letter-spacing: .02em; text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
}
.tag--astronomia { color: var(--cyan); border-color: rgba(127,216,245,.35); }
.tag--lua { color: var(--silver-bright); border-color: rgba(241,244,250,.3); }
.tag--terras-raras { color: var(--amber); border-color: rgba(226,172,107,.4); }

.card-date { font-family: var(--font-label); font-size: 11.5px; color: var(--ink-dim); letter-spacing: .04em; }

.card-body h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 21px;
  line-height: 1.32;
  color: var(--white);
}
.news-card a.card-title-link { transition: color .3s var(--ease); }
.news-card:hover h3 { color: var(--silver-bright); }

.card-summary { font-size: 14.5px; line-height: 1.65; color: var(--ink-dim); flex: 1; }

.card-foot { display: flex; align-items: center; gap: 8px; font-family: var(--font-label); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--silver); margin-top: 4px; }
.card-foot svg { width: 13px; height: 13px; transition: transform .3s var(--ease); }
.news-card:hover .card-foot svg { transform: translateX(4px); }

.empty-state { text-align: center; padding: 60px 0; color: var(--ink-dim); font-family: var(--font-label); letter-spacing: .06em; text-transform: uppercase; font-size: 13px; display: none; }
.empty-state.is-visible { display: block; }

/* ---------- featured article ---------- */
.featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow-lift);
}
.featured-visual { position: relative; min-height: 480px; transform: translateZ(0); }
.featured-visual .art { border-radius: 0; height: 100%; }
.featured-content { padding: 64px 56px; display: flex; flex-direction: column; justify-content: center; gap: 22px; }
.featured-content .tag { align-self: flex-start; }
.featured-content h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 2.6vw, 2.3rem);
  line-height: 1.22;
  color: var(--white);
}
.featured-content p.card-summary { font-size: 15.5px; }
.featured-meta { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--font-label); font-size: 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--ink-dim); }
.featured-meta span { white-space: nowrap; }
.featured-content .btn-ghost { align-self: flex-start; margin-top: 8px; }

/* ---------- categories ---------- */
.categories-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.category-card {
  position: relative;
  padding: 42px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  min-height: 260px;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 12px;
  transition: transform .5s var(--ease), border-color .4s var(--ease);
}
.category-card { background: var(--panel); }
.category-card:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.category-card .glow {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(200deg, transparent 40%, rgba(0,0,0,.35) 100%);
}
.category-card::after {
  content: "";
  position: absolute; top: 20px; right: 20px; width: 22px; height: 22px;
  border-top: 1px solid var(--line-strong); border-right: 1px solid var(--line-strong);
  opacity: 0; transition: opacity .4s var(--ease), transform .4s var(--ease);
  transform: translate(-4px, 4px);
}
.category-card:hover::after { opacity: 1; transform: translate(0, 0); }
.category-card--astronomia .glow { background: linear-gradient(200deg, transparent 30%, rgba(14,26,63,.6) 100%); }
.category-card--lua .glow { background: linear-gradient(200deg, transparent 30%, rgba(20,20,28,.6) 100%); }
.category-card--terras-raras .glow { background: linear-gradient(200deg, transparent 30%, rgba(37,24,10,.5) 100%); }
.category-card > * { position: relative; z-index: 1; }
.category-number { font-family: var(--font-label); font-size: 12px; letter-spacing: .02em; color: var(--ink-dim); }
.category-card h3 { font-family: var(--font-display); font-size: 26px; font-weight: 500; color: var(--white); }
.category-card p { font-size: 14px; color: var(--ink-dim); max-width: 34ch; }
.category-link { margin-top: 6px; font-family: var(--font-label); font-size: 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--silver-bright); display: inline-flex; align-items: center; gap: 8px; }
.category-link svg { width: 13px; height: 13px; transition: transform .3s var(--ease); }
.category-card:hover .category-link svg { transform: translateX(4px); }

/* ==========================================================================
   ART SYSTEM — visuais gerados em CSS (sem imagens externas)
   ========================================================================== */
.art {
  position: relative;
  height: 100%;
  overflow: hidden;
  isolation: isolate;
  background: radial-gradient(130% 150% at 15% -10%, #16204a 0%, #0b1024 55%, #05060d 100%);
}
.art::before {
  content: "";
  position: absolute; inset: 0; z-index: 3;
  background: radial-gradient(120% 120% at 50% 100%, transparent 35%, rgba(2,3,8,.6) 100%);
}
.art-layer { position: absolute; border-radius: 50%; filter: blur(38px); mix-blend-mode: screen; z-index: 1; }
.art-grid {
  position: absolute; inset: 0; z-index: 2; opacity: .35;
  background-image:
    linear-gradient(rgba(199,208,224,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199,208,224,.06) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at 55% 45%, black, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 55% 45%, black, transparent 72%);
}
.card-visual-link:hover .art-layer { transform: scale(1.06); }
.art-layer { transition: transform .9s var(--ease); }

/* fotografia real como capa (quando a notícia define 'imagem') — imagem
   única e estática, sem animação contínua. isolation:auto porque este
   modo não usa as camadas com mix-blend-mode do sistema de arte em CSS. */
.art--foto { isolation: auto; }
.art--foto img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.9) contrast(1.05) brightness(.92);
  transition: transform .9s var(--ease);
}
.card-visual-link:hover .art--foto img { transform: scale(1.05); }

.art-frame { position: absolute; inset: 14px; z-index: 4; pointer-events: none; }
.art-frame::before, .art-frame::after {
  content: ""; position: absolute; width: 14px; height: 14px;
  border: 1px solid rgba(241,244,250,.4);
}
.art-frame::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.art-frame::after { bottom: 0; right: 0; border-left: none; border-top: none; }
.art-tag {
  position: absolute; left: 14px; bottom: 14px; z-index: 4;
  font-family: var(--font-label); font-size: 10.5px; letter-spacing: .04em;
  color: rgba(241,244,250,.55);
  text-transform: uppercase;
}

/* astronomia — nebulosa azul */
.art--nebula-blue .art-layer--1 { width: 60%; height: 60%; top: -10%; left: 10%; background: radial-gradient(circle, rgba(127,216,245,.55), transparent 70%); animation: driftSlow 20s ease-in-out infinite alternate; }
.art--nebula-blue .art-layer--2 { width: 55%; height: 55%; bottom: -15%; right: -5%; background: radial-gradient(circle, rgba(74,47,134,.6), transparent 70%); animation: driftSlow 24s ease-in-out infinite alternate-reverse; }
.art--nebula-blue .art-layer--3 { width: 20%; height: 20%; top: 30%; left: 55%; background: radial-gradient(circle, rgba(246,247,251,.5), transparent 75%); }

/* astronomia — galáxia espiral */
.art--galaxy-swirl { background: radial-gradient(130% 150% at 80% -10%, #241a4a 0%, #0b1024 55%, #05060d 100%); }
.art--galaxy-swirl .art-layer--1 {
  width: 90%; height: 90%; top: 5%; left: 5%; border-radius: 50%; filter: blur(9px); mix-blend-mode: screen;
  background: repeating-conic-gradient(from 0deg, rgba(122,92,201,.5) 0deg 10deg, transparent 10deg 30deg);
  -webkit-mask-image: radial-gradient(circle, black 28%, transparent 68%);
  mask-image: radial-gradient(circle, black 28%, transparent 68%);
  animation: spinSlow 90s linear infinite;
}
.art--galaxy-swirl .art-layer--2 { width: 26%; height: 26%; top: 37%; left: 37%; background: radial-gradient(circle, rgba(226,172,107,.85), rgba(226,172,107,0) 70%); }
.art--galaxy-swirl .art-layer--3 { width: 45%; height: 45%; bottom: -10%; right: -10%; background: radial-gradient(circle, rgba(127,216,245,.35), transparent 70%); }
@keyframes spinSlow { to { transform: rotate(360deg); } }

/* lua — cratera */
.art--moon-crater { background: linear-gradient(200deg, #10152c 0%, #05060d 70%); }
.art--moon-crater .art-layer--1 {
  height: 78%; width: auto; aspect-ratio: 1; top: -22%; right: -18%; filter: blur(0); mix-blend-mode: normal;
  background:
    radial-gradient(circle at 30% 62%, rgba(0,0,0,.28), transparent 12%),
    radial-gradient(circle at 55% 40%, rgba(0,0,0,.24), transparent 10%),
    radial-gradient(circle at 68% 68%, rgba(0,0,0,.22), transparent 9%),
    radial-gradient(circle at 38% 30%, #f2f0ec 0%, #d6d3cb 12%, #a9a7a8 34%, #56555f 58%, #1d1d26 78%);
  box-shadow: inset -30px -20px 70px rgba(0,0,0,.6);
}
.art--moon-crater .art-layer--2 { width: 40%; height: 40%; bottom: -10%; left: -10%; background: radial-gradient(circle, rgba(74,47,134,.4), transparent 70%); }
.art--moon-crater .art-layer--3 { width: 18%; height: 18%; bottom: 15%; left: 20%; background: radial-gradient(circle, rgba(127,216,245,.25), transparent 75%); }

/* lua — eclipse */
.art--moon-eclipse { background: radial-gradient(120% 140% at 50% 60%, #171033 0%, #0a0c1e 55%, #05060d 100%); }
.art--moon-eclipse .art-layer--1 {
  height: 54%; width: auto; aspect-ratio: 1; top: 24%; left: 24%; filter: blur(0); mix-blend-mode: normal; border-radius: 50%;
  background: radial-gradient(circle at 42% 42%, #12121a 0%, #0a0a12 55%, #050509 100%);
  box-shadow: 0 0 0 1px rgba(199,208,224,.12), 0 0 60px 10px rgba(199,208,224,.18), inset 12px -8px 30px rgba(226,172,107,.18);
}
.art--moon-eclipse .art-layer--2 { width: 60%; height: 60%; top: 20%; left: 20%; background: radial-gradient(circle, rgba(199,208,224,.22), transparent 72%); animation: driftSlow 22s ease-in-out infinite alternate; }
.art--moon-eclipse .art-layer--3 { width: 24%; height: 24%; bottom: 10%; right: 12%; background: radial-gradient(circle, rgba(226,172,107,.35), transparent 75%); }

/* terras raras — aglomerado de cristais */
.art--crystal-cluster { background: linear-gradient(200deg, #191026 0%, #05060d 70%); }
.art--crystal-cluster .art-layer--1 { width: 60%; height: 60%; bottom: -20%; left: -10%; background: radial-gradient(circle, rgba(226,172,107,.45), transparent 70%); }
.art--crystal-cluster .art-layer--2 { width: 40%; height: 40%; top: -10%; right: -5%; background: radial-gradient(circle, rgba(122,92,201,.5), transparent 70%); }
.art--crystal-cluster .art-layer--3 {
  width: 60%; height: 70%; bottom: -6%; left: 18%; filter: blur(0); mix-blend-mode: normal; border-radius: 6px;
  background: linear-gradient(155deg, rgba(226,172,107,.9), rgba(122,92,201,.55) 45%, rgba(199,208,224,.7) 100%);
  clip-path: polygon(50% 0%, 78% 18%, 92% 55%, 62% 100%, 30% 92%, 8% 48%, 22% 14%);
  opacity: .92;
}

/* terras raras — veio mineral */
.art--mineral-vein { background: linear-gradient(200deg, #1a1224 0%, #05060d 72%); }
.art--mineral-vein .art-layer--1 { width: 60%; height: 60%; top: -15%; left: -10%; background: radial-gradient(circle, rgba(122,92,201,.4), transparent 70%); }
.art--mineral-vein .art-layer--2 { width: 50%; height: 50%; bottom: -15%; right: -10%; background: radial-gradient(circle, rgba(226,172,107,.4), transparent 70%); }
.art--mineral-vein .art-layer--3 {
  width: 140%; height: 3px; top: 45%; left: -20%; filter: blur(1px); mix-blend-mode: screen; border-radius: 0;
  background: linear-gradient(90deg, transparent, rgba(226,172,107,.9) 35%, rgba(255,255,255,.9) 50%, rgba(226,172,107,.9) 65%, transparent);
  transform: rotate(-18deg);
  box-shadow: 0 0 24px 4px rgba(226,172,107,.5);
}

/* destaque — composição maior */
.art--feature { background: radial-gradient(140% 160% at 20% -10%, #1c1440 0%, #0a0d20 55%, #05060d 100%); }
.art--feature .art-layer--1 { width: 70%; height: 70%; top: -20%; right: -15%; background: radial-gradient(circle, rgba(127,216,245,.28), transparent 70%); animation: driftSlow 28s ease-in-out infinite alternate; }
.art--feature .art-layer--2 { width: 55%; height: 55%; bottom: -18%; left: -12%; background: radial-gradient(circle, rgba(226,172,107,.32), transparent 70%); animation: driftSlow 32s ease-in-out infinite alternate-reverse; }
.art--feature .art-layer--3 {
  height: 30%; width: auto; aspect-ratio: 1; top: 12%; right: 10%; filter: blur(0); mix-blend-mode: normal; border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, #f4f2ee 0%, #cfccc4 22%, #8f8d92 46%, #34333c 72%, #101018 88%);
  box-shadow: inset -18px -12px 40px rgba(0,0,0,.6), 0 0 60px rgba(199,208,224,.14);
}

/* ---------- article (noticia.php) ---------- */
.article-hero { position: relative; padding: 170px 0 60px; }
.article-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-label); font-size: 12.5px; letter-spacing: .02em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 34px; transition: color .3s var(--ease);
}
.article-back svg { width: 14px; height: 14px; }
.article-back:hover { color: var(--silver-bright); }

.article-head { max-width: 780px; }
.article-head h1 {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(2rem, 4.2vw, 3.2rem); line-height: 1.14; color: var(--white); margin-top: 22px;
}
.article-summary { margin-top: 22px; font-size: 18px; line-height: 1.7; color: var(--ink); max-width: 640px; }
.article-meta {
  display: flex; gap: 22px; flex-wrap: wrap; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line);
  font-family: var(--font-label); font-size: 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--ink-dim);
}
.article-meta span { white-space: nowrap; }
.article-meta strong { color: var(--silver-bright); font-weight: 500; }

.article-visual {
  margin: 60px 0 70px; border-radius: var(--radius-lg); overflow: hidden;
  height: 46vw; max-height: 480px; min-height: 260px; border: 1px solid var(--line);
  /* Contém a composição do carrossel numa camada de GPU isolada, para que
     um eventual glitch de composição não "vaze" para o conteúdo seguinte. */
  transform: translateZ(0);
}

.article-body { max-width: 700px; margin: 0 auto; padding-bottom: 40px; }
.article-body p {
  font-size: 18px; line-height: 1.85; color: var(--ink);
  margin-bottom: 26px; font-family: var(--font-body);
}
.article-body p:first-of-type { color: var(--silver-bright); font-size: 19.5px; }

.article-figure {
  margin: 44px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
}
.article-figure img {
  display: block; width: 100%; height: auto; max-height: 460px; object-fit: cover;
  filter: saturate(.92) contrast(1.03) brightness(.96);
}
.article-figure figcaption {
  padding: 14px 18px;
  font-family: var(--font-label);
  font-size: 12px; letter-spacing: .01em; line-height: 1.6;
  color: var(--ink-dim);
  border-top: 1px solid var(--line);
}

.article-h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--white);
  margin: 50px 0 24px;
  padding-top: 4px;
}

.article-sources {
  margin-top: 50px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.article-sources-label {
  display: block;
  font-family: var(--font-label);
  font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 10px;
}
.article-sources p { font-size: 14px; color: var(--ink-dim); margin: 0; }

.article-divider { max-width: 700px; margin: 20px auto 70px; height: 1px; background: var(--line); }

.related { padding-bottom: 130px; }
.related h2 { font-family: var(--font-display); font-weight: 500; font-size: 1.6rem; color: var(--white); margin-bottom: 34px; text-align: center; }
.related-grid { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 90px 0 30px; background: linear-gradient(180deg, transparent, rgba(13,18,38,.5)); }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 50px; padding-bottom: 60px; }
.footer-brand .brand-name { color: var(--white); }
.footer-brand p { margin-top: 18px; font-size: 14px; line-height: 1.75; color: var(--ink-dim); max-width: 34ch; }
.footer-links h3 { font-family: var(--font-label); font-size: 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--silver); margin-bottom: 18px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: var(--ink-dim); transition: color .3s var(--ease); }
.footer-links a:hover { color: var(--silver-bright); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 26px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-dim); flex-wrap: wrap; gap: 10px; }
.footer-tagline { font-style: italic; font-family: var(--font-display); }

/* ---------- modal: tenho interesse ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: rgba(4, 5, 12, .72);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.modal-overlay[hidden] { display: none; }
.modal-overlay.is-open { opacity: 1; }

.modal-card {
  position: relative;
  width: 100%; max-width: 440px;
  background: linear-gradient(180deg, var(--panel-raised), var(--panel));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  padding: 46px 38px 38px;
  transform: translateY(14px) scale(.98);
  transition: transform .35s var(--ease);
}
.modal-overlay.is-open .modal-card { transform: translateY(0) scale(1); }

.modal-close {
  position: absolute; top: 18px; right: 18px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.modal-close:hover { color: var(--silver-bright); border-color: var(--line-strong); }
.modal-close svg { width: 14px; height: 14px; }

.modal-body h3 {
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.7rem; color: var(--white);
  margin: 14px 0 12px;
}
.modal-desc { font-size: 14.5px; line-height: 1.65; color: var(--ink-dim); margin-bottom: 28px; }

.modal-form { display: flex; flex-direction: column; gap: 16px; }
.modal-form label { display: flex; flex-direction: column; gap: 8px; }
.modal-form label span {
  font-family: var(--font-label); font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-dim);
}
.modal-form input {
  font-family: var(--font-body); font-size: 15px; color: var(--white);
  background: var(--bg-void);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color .25s var(--ease);
}
.modal-form input:focus { outline: none; border-color: var(--silver); }
.modal-form input::placeholder { color: var(--ink-dim); }
.modal-honeypot { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }

.modal-erro {
  font-size: 13.5px; color: var(--amber); line-height: 1.5;
  padding: 10px 12px; border: 1px solid rgba(226,172,107,.35); border-radius: var(--radius-sm);
}
.modal-erro[hidden] { display: none; }

.modal-submit { margin-top: 6px; justify-content: center; width: 100%; }
.modal-submit[disabled] { opacity: .6; cursor: default; }

.modal-body[data-estado="sucesso"] .btn { width: 100%; justify-content: center; margin-top: 6px; }

/* ---------- página privada de estatísticas ---------- */
.auth-page {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 40px 24px;
}
.auth-card { position: static; width: 100%; max-width: 400px; display: flex; flex-direction: column; }
.auth-card label { display: block; margin-top: 4px; }
.auth-card .btn { margin-top: 22px; }

.stats-wrap { width: 100%; max-width: 900px; }
.stats-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 40px; flex-wrap: wrap; }
.stats-head h2 { font-family: var(--font-display); font-weight: 500; font-size: 2rem; color: var(--white); }

.stats-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 44px; }
.stats-card {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--panel); padding: 28px 26px;
  display: flex; flex-direction: column; gap: 8px;
}
.stats-card strong { font-family: var(--font-display); font-size: 2.4rem; color: var(--white); font-weight: 500; }
.stats-card span { font-family: var(--font-label); font-size: 11.5px; letter-spacing: .02em; text-transform: uppercase; color: var(--ink-dim); }

.stats-table-wrap { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: auto; }
.stats-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.stats-table th, .stats-table td {
  text-align: left; padding: 14px 18px; font-size: 14px;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
.stats-table th {
  font-family: var(--font-label); font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-dim); background: var(--panel);
}
.stats-table td { color: var(--ink); }
.stats-table tbody tr:last-child td { border-bottom: none; }

/* ---------- reveal on scroll ----------
   Visible by default (no-JS / JS-failure safe). JS adds "js-pending"
   right before observing, so hiding is only ever an opt-in enhancement. */
.reveal { opacity: 1; transform: none; transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.js-pending { opacity: 0; transform: translateY(28px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-stagger .news-card, .reveal-stagger .category-card {
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal-stagger.js-pending .news-card, .reveal-stagger.js-pending .category-card {
  opacity: 0; transform: translateY(24px);
}
.reveal-stagger.is-visible .news-card,
.reveal-stagger.is-visible .category-card {
  opacity: 1; transform: translateY(0);
}
.reveal-stagger.is-visible .news-card:nth-child(1) { transition-delay: .02s; }
.reveal-stagger.is-visible .news-card:nth-child(2) { transition-delay: .09s; }
.reveal-stagger.is-visible .news-card:nth-child(3) { transition-delay: .16s; }
.reveal-stagger.is-visible .news-card:nth-child(4) { transition-delay: .23s; }
.reveal-stagger.is-visible .news-card:nth-child(5) { transition-delay: .30s; }
.reveal-stagger.is-visible .news-card:nth-child(6) { transition-delay: .37s; }
.reveal-stagger.is-visible .category-card:nth-child(1) { transition-delay: .04s; }
.reveal-stagger.is-visible .category-card:nth-child(2) { transition-delay: .14s; }
.reveal-stagger.is-visible .category-card:nth-child(3) { transition-delay: .24s; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: 1fr; }
  .featured { grid-template-columns: 1fr; }
  .featured-visual { min-height: 320px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .wrap { padding: 0 22px; }
  .main-nav { position: fixed; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(5,6,16,.97); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); padding: 10px 22px 22px; transform: translateY(-140%); opacity: 0; transition: transform .4s var(--ease), opacity .4s var(--ease); }
  .main-nav.is-open { transform: translateY(0); opacity: 1; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: flex; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero { padding: 130px 0 90px; min-height: auto; }
  .hero-moon { width: 70vw; height: 70vw; top: -8%; right: -22%; opacity: .8; }
  .hero-meta { gap: 30px; margin-top: 56px; }

  .section { padding: 90px 0; }
  .news-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .featured-content { padding: 40px 26px; }
  .article-hero { padding: 130px 0 40px; }
}