/* ============================================================================
   GShield Editorial — design system
   Inspirações: Anthropic, Linear, Vercel, Stripe blog
   Princípios:
   - dark mode primeiro
   - amarelo Gorila (#F2C200) como accent único, parcimônia
   - tipografia Inter pesada, hierarquia clara
   - espaço generoso, sem decoração inútil
   ============================================================================ */

:root {
  --bg:            #0a0a0a;
  --bg-soft:       #111111;
  --bg-card:       #161616;
  --bg-card-hover: #1c1c1c;
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text:          #ededed;
  --text-strong:   #ffffff;
  --text-muted:    #9a9a9a;
  --text-dim:      #6b6b6b;
  --yellow:        #F2C200;
  --yellow-soft:   rgba(242, 194, 0, 0.12);
  --yellow-hover:  #ffd633;
  --max-width:     1240px;
  --gap-3xl:       96px;
  --gap-2xl:       64px;
  --gap-xl:        48px;
  --gap-l:         32px;
  --gap-m:         20px;
  --gap-s:         12px;
  --radius:        14px;
  --radius-lg:     20px;
  --transition:    220ms cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }

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

body.gshield-theme {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  font-feature-settings: "cv11", "ss01", "ss02";
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--yellow); }

img, video { max-width: 100%; height: auto; display: block; }

::selection { background: var(--yellow); color: #000; }

/* ===================== layout container ===================== */

.gshield-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 720px) {
  .gshield-container { padding: 0 16px; }
}

/* ===================== header ===================== */

.gshield-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--border);
}
.gshield-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 120px; padding: 16px 0;
  gap: 24px;
}
@media (max-width: 720px) {
  .gshield-header-inner { min-height: 80px; padding: 12px 0; }
}
.gshield-brand {
  display: inline-flex; align-items: center; gap: 16px;
  color: var(--text-strong);
}
.gshield-brand-logo {
  height: 100px; width: auto; display: block;
  object-fit: contain;
  transition: transform var(--transition);
}
.gshield-brand:hover .gshield-brand-logo { transform: scale(1.03); }
.gshield-brand-text {
  display: flex; line-height: 1.1;
}
.gshield-brand-name {
  font-size: 22px; font-weight: 500; letter-spacing: -0.02em;
  color: var(--text-muted);
}
.gshield-brand-name span {
  color: var(--text-strong); font-weight: 700;
}
@media (max-width: 720px) {
  .gshield-brand-logo { height: 56px; }
  .gshield-brand-name { font-size: 15px; }
}
@media (max-width: 480px) {
  .gshield-brand-text { display: none; }
}
.gshield-nav {
  display: flex; align-items: center; gap: 28px;
}
.gshield-nav a {
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  letter-spacing: -0.01em; transition: color var(--transition);
}
.gshield-nav a:hover { color: var(--text-strong); }
.gshield-nav .cta {
  background: var(--yellow); color: #000; padding: 9px 16px;
  border-radius: 999px; font-weight: 600;
}
.gshield-nav .cta:hover { background: var(--yellow-hover); color: #000; }

@media (max-width: 640px) {
  .gshield-nav { gap: 16px; }
  .gshield-nav a:not(.cta) { display: none; }
}

/* ===================== hero ===================== */

.gshield-hero {
  position: relative;
  padding: var(--gap-3xl) 0 var(--gap-2xl);
  overflow: hidden;
}
.gshield-hero::before {
  content: ''; position: absolute; inset: -40% 30% 50% 30%;
  background: radial-gradient(closest-side, rgba(242, 194, 0, 0.18), transparent 70%);
  filter: blur(60px); pointer-events: none; z-index: 0;
}
.gshield-hero-inner { position: relative; z-index: 1; max-width: 880px; }
.gshield-eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--yellow);
  padding: 6px 12px; border-radius: 999px;
  background: var(--yellow-soft);
  margin-bottom: var(--gap-m);
}
.gshield-hero h1 {
  font-size: clamp(32px, 6vw, 72px);
  font-weight: 700; letter-spacing: -0.035em; line-height: 1.04;
  color: var(--text-strong);
  margin: 0 0 var(--gap-m);
  word-wrap: break-word; overflow-wrap: break-word;
}
@media (max-width: 480px) {
  .gshield-hero { padding: var(--gap-2xl) 0 var(--gap-xl); }
  .gshield-hero h1 { font-size: clamp(28px, 8vw, 40px); }
}
.gshield-hero h1 .accent {
  background: linear-gradient(180deg, var(--yellow), #ffd633);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.gshield-hero p {
  font-size: clamp(17px, 1.6vw, 20px); color: var(--text-muted);
  max-width: 640px; line-height: 1.55; margin: 0 0 var(--gap-l); letter-spacing: -0.01em;
}

/* ===================== section title ===================== */

.gshield-section-title {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: var(--gap-2xl) 0 var(--gap-l);
  padding-bottom: var(--gap-m);
  border-bottom: 1px solid var(--border);
}
.gshield-section-title h2 {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 600; letter-spacing: -0.025em; line-height: 1;
  color: var(--text-strong); margin: 0;
}
.gshield-section-title a {
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  letter-spacing: -0.01em;
}
.gshield-section-title a:hover { color: var(--yellow); }

/* ===================== post grid ===================== */

.gshield-grid {
  display: grid; gap: var(--gap-l);
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.gshield-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.gshield-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.gshield-card-thumb {
  position: relative; aspect-ratio: 16/10; overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
}
.gshield-card-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 480ms cubic-bezier(.2, .8, .2, 1);
}
.gshield-card:hover .gshield-card-thumb img { transform: scale(1.04); }
.gshield-card-thumb.placeholder::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(135deg, transparent 30%, rgba(242, 194, 0, 0.06) 70%),
    radial-gradient(circle at 30% 20%, rgba(242, 194, 0, 0.1), transparent 50%);
}
.gshield-card-body {
  padding: 22px 24px 26px;
  display: flex; flex-direction: column; gap: 10px;
  flex: 1;
}
.gshield-card-meta {
  display: flex; gap: 10px; align-items: center;
  font-size: 11.5px; color: var(--text-dim);
  letter-spacing: 0.02em; text-transform: uppercase; font-weight: 500;
}
.gshield-card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); }
.gshield-card h3 {
  margin: 0; font-size: 18.5px; font-weight: 600;
  line-height: 1.32; letter-spacing: -0.018em; color: var(--text-strong);
}
.gshield-card h3 a { color: inherit; }
.gshield-card h3 a:hover { color: var(--yellow); }
.gshield-card p {
  margin: 0; font-size: 14.5px; color: var(--text-muted);
  line-height: 1.55; letter-spacing: -0.005em;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* destaque do primeiro card — opcional */
.gshield-grid.with-feature .gshield-card:first-child {
  grid-column: 1 / -1;
  flex-direction: row; align-items: stretch;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-soft));
}
.gshield-grid.with-feature .gshield-card:first-child .gshield-card-thumb {
  flex: 1.2; aspect-ratio: auto;
}
.gshield-grid.with-feature .gshield-card:first-child .gshield-card-body {
  flex: 1; justify-content: center; padding: var(--gap-xl);
}
.gshield-grid.with-feature .gshield-card:first-child h3 {
  font-size: clamp(24px, 2.6vw, 34px); letter-spacing: -0.028em; line-height: 1.15;
}
.gshield-grid.with-feature .gshield-card:first-child p {
  font-size: 16px; -webkit-line-clamp: 4;
}
@media (max-width: 800px) {
  .gshield-grid.with-feature .gshield-card:first-child { flex-direction: column; }
  .gshield-grid.with-feature .gshield-card:first-child .gshield-card-thumb { aspect-ratio: 16/10; }
  .gshield-grid.with-feature .gshield-card:first-child .gshield-card-body { padding: 24px; }
}

/* ===================== pagination ===================== */

.gshield-pagination {
  display: flex; justify-content: center; gap: 8px;
  margin: var(--gap-2xl) 0;
}
.gshield-pagination a,
.gshield-pagination .current,
.gshield-pagination span {
  padding: 10px 16px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
}
.gshield-pagination a:hover { color: var(--text-strong); border-color: var(--border-strong); }
.gshield-pagination .current {
  background: var(--yellow); color: #000; border-color: var(--yellow);
}

/* ===================== single post ===================== */

.gshield-post {
  padding: var(--gap-2xl) 0 var(--gap-3xl);
}
.gshield-post-header {
  max-width: 760px; margin: 0 auto var(--gap-xl);
  text-align: left;
}
.gshield-post-meta {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  font-size: 12px; color: var(--text-dim);
  letter-spacing: 0.02em; text-transform: uppercase; font-weight: 500;
  margin-bottom: var(--gap-m);
}
.gshield-post-meta .cat {
  color: var(--yellow); background: var(--yellow-soft);
  padding: 4px 10px; border-radius: 999px;
}
.gshield-post-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); }
.gshield-post h1 {
  font-size: clamp(32px, 5vw, 52px); font-weight: 700;
  line-height: 1.08; letter-spacing: -0.03em; color: var(--text-strong);
  margin: 0 0 var(--gap-m);
}
.gshield-post-excerpt {
  font-size: clamp(17px, 1.4vw, 19px); line-height: 1.55;
  color: var(--text-muted); margin-bottom: var(--gap-xl);
  letter-spacing: -0.005em;
}
.gshield-post-cover {
  max-width: var(--max-width); margin: 0 auto var(--gap-2xl);
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16/9;
}
.gshield-post-cover img { width: 100%; height: 100%; object-fit: cover; }

.gshield-post-body {
  max-width: 720px; margin: 0 auto;
  font-size: 17px; line-height: 1.75; color: var(--text);
  letter-spacing: -0.005em;
}
.gshield-post-body p { margin: 0 0 1.2em; }
.gshield-post-body h2 {
  font-size: clamp(22px, 2.4vw, 28px); font-weight: 600;
  letter-spacing: -0.024em; color: var(--text-strong);
  margin: var(--gap-xl) 0 var(--gap-s);
}
.gshield-post-body h3 {
  font-size: clamp(18px, 2vw, 21px); font-weight: 600;
  letter-spacing: -0.018em; color: var(--text-strong);
  margin: var(--gap-l) 0 var(--gap-s);
}
.gshield-post-body a {
  color: var(--yellow); border-bottom: 1px solid rgba(242, 194, 0, 0.4);
  transition: border-color var(--transition);
}
.gshield-post-body a:hover { border-bottom-color: var(--yellow); }
.gshield-post-body ul, .gshield-post-body ol { padding-left: 24px; margin: 0 0 1.2em; }
.gshield-post-body li { margin-bottom: 0.4em; }
.gshield-post-body blockquote {
  border-left: 3px solid var(--yellow);
  padding: 8px 0 8px 24px; margin: var(--gap-l) 0;
  font-style: normal; color: var(--text-strong);
  font-size: 19px; line-height: 1.5;
}
.gshield-post-body code {
  background: var(--bg-card); padding: 2px 8px; border-radius: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.92em;
  border: 1px solid var(--border);
}
.gshield-post-body pre {
  background: var(--bg-card); padding: 20px 24px; border-radius: 12px;
  overflow-x: auto; border: 1px solid var(--border);
  margin: var(--gap-l) 0;
}
.gshield-post-body pre code { background: none; padding: 0; border: 0; }
.gshield-post-body figure { margin: var(--gap-l) 0; }
.gshield-post-body figure img { border-radius: 12px; }
.gshield-post-body figcaption {
  margin-top: 10px; font-size: 13.5px; color: var(--text-dim); text-align: center;
}

/* ===================== footer ===================== */

.gshield-footer {
  border-top: 1px solid var(--border);
  margin-top: var(--gap-3xl);
  padding: var(--gap-2xl) 0;
}
.gshield-footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--gap-m);
}
.gshield-footer-brand { color: var(--text-muted); font-size: 13px; }
.gshield-footer-brand strong { color: var(--text-strong); font-weight: 600; }
.gshield-footer-links { display: flex; gap: 24px; font-size: 13px; }
.gshield-footer-links a { color: var(--text-muted); }

/* ===================== empty state ===================== */

.gshield-empty {
  padding: var(--gap-3xl) 0; text-align: center; color: var(--text-muted);
}

/* ===================== utilities ===================== */

.gshield-button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 999px;
  background: var(--yellow); color: #000;
  font-weight: 600; font-size: 14px; letter-spacing: -0.01em;
  transition: all var(--transition);
  border: 0; cursor: pointer;
}
.gshield-button:hover { background: var(--yellow-hover); color: #000; transform: translateY(-1px); }

.gshield-button.ghost {
  background: transparent; color: var(--text-strong);
  border: 1px solid var(--border-strong);
}
.gshield-button.ghost:hover { background: var(--bg-card); color: var(--yellow); border-color: var(--yellow); }

/* ===================== nav search ===================== */
.gshield-nav-search {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  cursor: pointer; transition: all var(--transition);
  min-width: 220px;
}
.gshield-nav-search:hover { color: var(--text-strong); border-color: var(--border-strong); }
.gshield-nav-search kbd {
  margin-left: auto; padding: 2px 6px; border-radius: 4px;
  background: var(--bg-soft); border: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--text-dim);
}
@media (max-width: 720px) {
  .gshield-nav-search { min-width: 0; padding: 8px 12px; }
  .gshield-nav-search kbd, .gshield-nav-search span:first-of-type { display: none; }
}

/* ===================== search overlay ===================== */
.gshield-search-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: none; justify-content: center; align-items: flex-start;
  padding: 80px 20px;
  animation: gshield-fade-in 180ms ease-out;
}
.gshield-search-overlay.is-open { display: flex; }
.gshield-search-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  width: 100%; max-width: 720px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(242,194,0,0.05);
  overflow: hidden;
}
.gshield-search-input {
  width: 100%; border: 0; outline: 0; background: transparent;
  padding: 20px 24px; font-size: 17px; color: var(--text-strong);
  font-family: inherit; letter-spacing: -0.01em;
  border-bottom: 1px solid var(--border);
}
.gshield-search-input::placeholder { color: var(--text-dim); }
.gshield-search-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 20px; font-size: 11px; color: var(--text-dim);
  background: var(--bg-soft); border-bottom: 1px solid var(--border);
}
.gshield-search-meta kbd {
  padding: 2px 6px; border-radius: 4px; background: var(--bg-card);
  border: 1px solid var(--border); font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
}
.gshield-search-results {
  max-height: 520px; overflow-y: auto; padding: 8px;
}
.gshield-search-result {
  display: block; padding: 12px 16px; border-radius: 10px;
  text-decoration: none; color: inherit;
  transition: background var(--transition);
}
.gshield-search-result:hover,
.gshield-search-result[aria-selected="true"] {
  background: var(--bg-card-hover);
}
.gshield-search-result h4 {
  margin: 0 0 4px; font-size: 14.5px; font-weight: 600;
  color: var(--text-strong); letter-spacing: -0.015em;
  line-height: 1.3;
}
.gshield-search-result h4 mark {
  background: var(--yellow-soft); color: var(--yellow);
  padding: 0 2px; border-radius: 3px;
}
.gshield-search-result p {
  margin: 0; font-size: 12.5px; color: var(--text-muted);
  line-height: 1.45; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.gshield-search-empty {
  padding: 40px 24px; text-align: center; color: var(--text-muted); font-size: 14px;
}
.gshield-search-suggestion {
  margin-top: 10px; font-size: 12.5px; color: var(--text-dim);
}
.gshield-search-suggestion a { color: var(--yellow); }

/* ===================== category nav ===================== */
.gshield-cat-nav {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin: var(--gap-xl) 0 var(--gap-l);
  padding-bottom: var(--gap-m);
  border-bottom: 1px solid var(--border);
}
.gshield-cat-nav a {
  padding: 7px 14px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 12.5px; font-weight: 500; color: var(--text-muted);
  letter-spacing: -0.005em; transition: all var(--transition);
}
.gshield-cat-nav a:hover {
  color: var(--text-strong); border-color: var(--border-strong);
}
.gshield-cat-nav a.is-active {
  background: var(--yellow); color: #000; border-color: var(--yellow);
}
.gshield-cat-nav a .count {
  margin-left: 6px; opacity: 0.6; font-weight: 400;
}

/* ===================== featured (3 cards do mesmo tamanho) ===================== */
.gshield-featured {
  display: grid; gap: var(--gap-l);
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  margin-bottom: var(--gap-2xl);
}
.gshield-featured .gshield-card-thumb { aspect-ratio: 16/10; }
.gshield-featured .gshield-card { height: 100%; }
.gshield-featured .gshield-card h3 {
  font-size: 19px; letter-spacing: -0.02em; line-height: 1.3;
}
@media (max-width: 900px) {
  .gshield-featured { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .gshield-featured { grid-template-columns: 1fr; }
}

/* ===================== seções por categoria ===================== */
.gshield-cat-section { margin-bottom: var(--gap-2xl); }
.gshield-cat-section .gshield-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* ===================== footer social ===================== */
.gshield-footer { padding: var(--gap-2xl) 0 var(--gap-xl); }
.gshield-social {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin: 0 0 var(--gap-l);
}
.gshield-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.gshield-social a:hover {
  color: #000; background: var(--yellow); border-color: var(--yellow);
  transform: translateY(-2px);
}
.gshield-social svg { width: 18px; height: 18px; }

.gshield-footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: var(--gap-2xl); padding-bottom: var(--gap-xl);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--gap-l);
}
.gshield-footer-col h4 {
  font-size: 11px; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-dim);
  margin: 0 0 var(--gap-m);
}
.gshield-footer-col p { color: var(--text-muted); font-size: 13.5px; line-height: 1.6; margin: 0; }
.gshield-footer-col ul { list-style: none; padding: 0; margin: 0; }
.gshield-footer-col li { margin-bottom: 8px; }
.gshield-footer-col a { color: var(--text-muted); font-size: 13.5px; transition: color var(--transition); }
.gshield-footer-col a:hover { color: var(--text-strong); }
.gshield-footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: var(--gap-s); font-size: 12px; color: var(--text-dim);
}
@media (max-width: 800px) {
  .gshield-footer-grid { grid-template-columns: 1fr; gap: var(--gap-xl); }
}

/* Animação on-load sutil */
.gshield-card { animation: gshield-fade-in 500ms cubic-bezier(.2,.8,.2,1) both; }
.gshield-grid > .gshield-card:nth-child(1) { animation-delay: 0ms; }
.gshield-grid > .gshield-card:nth-child(2) { animation-delay: 40ms; }
.gshield-grid > .gshield-card:nth-child(3) { animation-delay: 80ms; }
.gshield-grid > .gshield-card:nth-child(4) { animation-delay: 120ms; }
.gshield-grid > .gshield-card:nth-child(5) { animation-delay: 160ms; }
.gshield-grid > .gshield-card:nth-child(6) { animation-delay: 200ms; }
.gshield-grid > .gshield-card:nth-child(7) { animation-delay: 240ms; }
.gshield-grid > .gshield-card:nth-child(8) { animation-delay: 280ms; }
.gshield-grid > .gshield-card:nth-child(9) { animation-delay: 320ms; }

@keyframes gshield-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}