/* ============================================================
   Ciência Clash — Blog stylesheet
   Reaproveita o token system do site principal (public/index.html):
   fundo espacial escuro, Fredoka One nos títulos, Nunito no corpo,
   paleta azul/laranja/roxo. Mantém a marca consistente entre
   landing page e blog.
   ============================================================ */

:root {
  --azul: #4a90d9;
  --laranja: #f5a623;
  --roxo: #6b3fa0;
  --roxo-claro: #9b6fd0;
  --bg: #08081a;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.1);
  --texto-suave: rgba(255, 255, 255, 0.72);
  --texto-fraco: rgba(255, 255, 255, 0.5);
  --medida: 680px; /* largura de leitura confortável para texto longo */
}

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

body {
  font-family: "Nunito", sans-serif;
  background: var(--bg);
  color: #fff;
  overflow-x: hidden;
  min-height: 100vh;
}

.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1px 1px at 10% 15%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 40%, rgba(255, 255, 255, 0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 40% 10%, rgba(255, 255, 255, 0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 60%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 25%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 50%, rgba(255, 255, 255, 0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 75%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 80%, rgba(255, 255, 255, 0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 90%, rgba(255, 255, 255, 0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 85%, rgba(255, 255, 255, 0.8) 0%, transparent 100%);
}

a {
  color: var(--azul);
}

/* ---------- Topbar (compartilhada entre index e posts) ---------- */

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 0;
}

.topbar .logo {
  font-family: "Fredoka One", cursive;
  font-size: 1.15rem;
  text-decoration: none;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar .logo span {
  background: linear-gradient(135deg, var(--azul), var(--roxo-claro));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.topbar nav a {
  color: var(--texto-suave);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  margin-left: 22px;
}

.topbar nav a:hover {
  color: #fff;
}

.topbar .btn-nav-download {
  background: linear-gradient(135deg, var(--laranja), #e8920a);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 50px;
  font-family: "Fredoka One", cursive;
  font-size: 0.82rem;
}

.lang-dd {
  position: relative;
}

.lang-dd-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 6px 12px 6px 6px;
  cursor: pointer;
  color: #fff;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
  transition:
    background 0.2s,
    border-color 0.2s;
}

.lang-dd-trigger:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.32);
}

.lang-dd .flag-ic {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.lang-dd .flag-ic svg {
  width: 38px;
  height: 38px;
}

.lang-dd-code {
  font-family: "Fredoka One", cursive;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}

.lang-dd-caret {
  color: rgba(255, 255, 255, 0.6);
  transition: transform 0.2s;
}

.lang-dd.open .lang-dd-caret {
  transform: rotate(180deg);
}

.lang-dd-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 180px;
  background: #11112a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 6px;
  margin: 0;
  list-style: none;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity 0.18s,
    transform 0.18s,
    visibility 0.18s;
  z-index: 80;
}

.lang-dd.open .lang-dd-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dd-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.72);
  font-family: "Nunito", sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 9px 10px;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  transition:
    background 0.15s,
    color 0.15s;
}

.lang-dd-option:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.lang-dd-option.active {
  background: rgba(74, 144, 217, 0.18);
  border-color: rgba(245, 166, 35, 0.5);
  color: #fff;
}

.lang-dd-option .flag-ic {
  width: 22px;
  height: 22px;
}

.lang-dd-option .flag-ic svg {
  width: 32px;
  height: 32px;
}

@media (max-width: 620px) {
  .topbar {
    padding: 12px 16px;
  }
  .topbar nav {
    gap: 12px;
  }
}

/* ---------- Blog index ---------- */

.blog-hero {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 20px 20px;
  text-align: center;
}

.blog-hero h1 {
  font-family: "Fredoka One", cursive;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.25;
  background: linear-gradient(135deg, #fff, var(--roxo-claro));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-hero p {
  margin-top: 14px;
  color: var(--texto-suave);
  font-size: 1.05rem;
  line-height: 1.6;
}

.post-grid {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 40px auto 0;
  padding: 0 20px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.post-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 24px;
  text-decoration: none;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition:
    transform 0.2s,
    border-color 0.2s,
    background 0.2s;
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.09);
}

.post-tag {
  align-self: flex-start;
  font-family: "Fredoka One", cursive;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 50px;
}

.post-tag.comparativo {
  background: rgba(74, 144, 217, 0.18);
  color: var(--azul);
}

.post-tag.ranking {
  background: rgba(245, 166, 35, 0.18);
  color: var(--laranja);
}

.post-tag.guia {
  background: rgba(155, 111, 208, 0.18);
  color: var(--roxo-claro);
}

.post-card h2 {
  font-family: "Fredoka One", cursive;
  font-size: 1.15rem;
  line-height: 1.35;
}

.post-card p {
  color: var(--texto-suave);
  font-size: 0.92rem;
  line-height: 1.55;
  flex: 1;
}

.post-meta {
  font-size: 0.8rem;
  color: var(--texto-fraco);
}

/* ---------- Post (artigo) ---------- */

.post-header {
  position: relative;
  z-index: 1;
  max-width: var(--medida);
  margin: 0 auto;
  padding: 48px 20px 0;
}

.post-header .post-tag {
  margin-bottom: 16px;
}

.post-header h1 {
  font-family: "Fredoka One", cursive;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  line-height: 1.3;
}

.post-header .post-meta {
  margin-top: 14px;
}

article.post-body {
  position: relative;
  z-index: 1;
  max-width: var(--medida);
  margin: 0 auto;
  padding: 32px 20px 60px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--texto-suave);
}

article.post-body h2 {
  font-family: "Fredoka One", cursive;
  color: #fff;
  font-size: 1.35rem;
  margin: 40px 0 14px;
  line-height: 1.35;
}

article.post-body h3 {
  color: #fff;
  font-size: 1.1rem;
  margin: 28px 0 10px;
}

article.post-body p {
  margin-bottom: 18px;
}

article.post-body ul,
article.post-body ol {
  margin: 0 0 18px 22px;
}

article.post-body li {
  margin-bottom: 8px;
}

article.post-body strong {
  color: #fff;
}

article.post-body a {
  color: var(--azul);
  text-decoration: underline;
}

.app-screenshot-strip {
  margin: 36px 0 42px;
}

.app-screenshot-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.phone-shot {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent),
    rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
}

.phone-shot::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.18),
    transparent 34%,
    transparent
  );
  z-index: 1;
}

.phone-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.app-screenshot-strip figcaption {
  grid-column: 1 / -1;
  color: var(--texto-fraco);
  font-size: 0.88rem;
  line-height: 1.55;
  text-align: center;
  margin-top: 2px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 28px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  font-size: 0.92rem;
}

.compare-table th,
.compare-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.compare-table th {
  font-family: "Fredoka One", cursive;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--texto-fraco);
  background: rgba(255, 255, 255, 0.03);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.inline-cta {
  margin: 36px 0;
  padding: 26px;
  border-radius: 18px;
  background:
    radial-gradient(ellipse 100% 100% at 20% 0%, rgba(74, 144, 217, 0.22), transparent 70%),
    var(--card);
  border: 1px solid var(--card-border);
  text-align: center;
}

.inline-cta p {
  color: var(--texto-suave);
  margin-bottom: 16px;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--laranja), #e8920a);
  color: #fff;
  font-family: "Fredoka One", cursive;
  font-size: 1rem;
  text-decoration: none;
  padding: 13px 30px;
  border-radius: 50px;
  box-shadow: 0 8px 28px rgba(245, 166, 35, 0.4);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.btn-download:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 36px rgba(245, 166, 35, 0.6);
}

/* ---------- Footer ---------- */

footer {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 30px 20px 50px;
  text-align: center;
  color: var(--texto-fraco);
  font-size: 0.85rem;
}

footer .footer-links a {
  color: var(--texto-suave);
  text-decoration: none;
  margin: 0 10px;
}

footer .footer-links a:hover {
  color: #fff;
}

footer p {
  margin-top: 14px;
}

@media (max-width: 600px) {
  .post-grid {
    grid-template-columns: 1fr;
  }

  .app-screenshot-strip {
    grid-template-columns: 1fr;
  }
}