/* GuiDev Games — preview interno S2 */
:root {
  --bg0: #070b12;
  --bg1: #0c1420;
  --bg2: #121c2c;
  --line: rgba(56, 220, 190, 0.18);
  --text: #e8f2f8;
  --muted: #8aa0b4;
  --cyan: #3dffe0;
  --cyan-dim: #1bb89e;
  --magenta: #ff4d9a;
  --amber: #ffc857;
  --card: rgba(14, 22, 36, 0.92);
  --radius: 14px;
  --font-display: "Trebuchet MS", "Segoe UI", Tahoma, sans-serif;
  --font-body: "Segoe UI", Tahoma, Geneva, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(61, 255, 224, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(255, 77, 154, 0.1), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 40%, var(--bg0));
  background-attachment: fixed;
  line-height: 1.55;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { color: #fff; }

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

/* Top */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(7, 11, 18, 0.82);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-family: var(--font-display);
}

.brand strong {
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.brand span {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.92rem;
  flex: 1 1 200px;
  max-width: 100%;
}

.nav a {
  color: var(--muted);
  padding: 0.45rem 0.7rem;
  min-height: 2.5rem;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  border-radius: 8px;
  line-height: 1.2;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--cyan-dim);
  background: rgba(61, 255, 224, 0.05);
}

.badge-global {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid rgba(255, 200, 87, 0.35);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 200, 87, 0.08);
}

.badge-global::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Hero */
.hero {
  padding: 3.25rem 0 2.5rem;
  animation: rise 0.7s ease both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.hero-kicker {
  color: var(--magenta);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.85rem);
  line-height: 1.15;
  margin: 0 0 0.85rem;
  max-width: 16ch;
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 42rem;
  font-size: 1.05rem;
}

.notice {
  margin: 1.5rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--amber);
  background: rgba(255, 200, 87, 0.07);
  color: var(--text);
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-dim), #0e7a6a);
  color: #04110e;
  border-color: rgba(61, 255, 224, 0.4);
}

.btn-primary:hover { color: #04110e; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
}

.btn-external {
  background: transparent;
  color: var(--muted);
  border-color: rgba(138, 160, 180, 0.35);
  font-size: 0.88rem;
}

/* Sections */
.section {
  padding: 2rem 0 2.75rem;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  margin: 0;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
  font-size: 0.95rem;
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 1.35rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  animation: rise 0.65s ease both;
}

.card:hover {
  border-color: rgba(61, 255, 224, 0.4);
  box-shadow: 0 0 0 1px rgba(61, 255, 224, 0.12);
}

.card-featured {
  border-color: rgba(61, 255, 224, 0.35);
  box-shadow: 0 0 0 1px rgba(61, 255, 224, 0.12), 0 12px 40px rgba(0, 0, 0, 0.25);
}

.card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg2);
  border-bottom: 1px solid var(--line);
}

.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 11, 18, 0.45));
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.media-pos-top img { object-position: center top; }
.media-pos-center img { object-position: center center; }
.media-pos-bottom img { object-position: center bottom; }
.media-pos-40 img { object-position: center 40%; }

.detail-stack {
  display: grid;
  gap: 1rem;
  margin-top: 1.35rem;
}

.detail-stack .panel {
  scroll-margin-top: 5.5rem;
}

.card-featured .card-media::after {
  background: linear-gradient(180deg, transparent 50%, rgba(7, 11, 18, 0.5));
}

.card-body {
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.card-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: #a8bac8;
  line-height: 1.25;
}

.tag-dev {
  color: #ffd27a;
  border-color: rgba(255, 200, 87, 0.45);
  background: rgba(255, 200, 87, 0.1);
}

.tag-sim {
  color: #6bffe8;
  border-color: rgba(61, 255, 224, 0.4);
}

.meta-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--muted);
}

.meta-list li {
  padding: 0.25rem 0;
  border-bottom: 1px dashed rgba(138, 160, 180, 0.2);
}

.meta-list li:last-child { border-bottom: 0; }

.meta-list strong { color: var(--text); font-weight: 600; }

.empty-slot {
  border: 1px dashed rgba(138, 160, 180, 0.35);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  color: var(--muted);
  background: rgba(12, 20, 32, 0.5);
}

.empty-slot h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  color: var(--text);
  font-size: 1.05rem;
}

.empty-slot p { margin: 0; font-size: 0.92rem; }

.checklist {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.checklist .mark {
  color: var(--cyan);
  font-weight: 700;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}

.panel h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
}

.panel p,
.panel ul {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.panel ul {
  padding-left: 1.15rem;
  display: grid;
  gap: 0.35rem;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
}

.footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer a { color: var(--muted); }
.footer a:hover { color: var(--cyan); }

.structural {
  text-align: center;
  padding: 3rem 1.25rem;
  border: 1px dashed rgba(138, 160, 180, 0.35);
  border-radius: var(--radius);
  background: rgba(12, 20, 32, 0.45);
}

.structural h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
}

.structural p {
  margin: 0 auto;
  max-width: 36rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .hero { padding-top: 2.25rem; }

  .topbar-inner {
    align-items: stretch;
    flex-direction: column;
    gap: 0.65rem;
  }

  .brand {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .nav {
    width: 100%;
    gap: 0.35rem;
  }

  .nav a {
    flex: 1 1 calc(50% - 0.35rem);
    justify-content: center;
    min-height: 2.75rem;
  }

  .wrap {
    width: min(1100px, calc(100% - 1.25rem));
  }
}

@media (max-width: 390px) {
  .nav a {
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .tag {
    font-size: 0.72rem;
    padding: 0.3rem 0.55rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 320px) {
  .wrap {
    width: calc(100% - 1rem);
  }

  .hero h1 {
    font-size: clamp(1.45rem, 8vw, 2rem);
  }
}