/* ═══════════════════════════════════════════════
   2GL — Guilde Gaming Linux
   style.css — styles globaux (nav, footer, classes
               partagées, boutons, recherche, scroll-top)
════════════════════════════════════════════════ */

:root {
  --teal:        #008080;
  --teal-bright: #00b3b3;
  --teal-dim:    #004d4d;
  --teal-glow:   rgba(0,128,128,0.18);
  --gold:        #c9af74;
  --gold-bright: #e8d9b0;
  --gold-dim:    rgba(201,175,116,0.15);
  --gold-glow:   rgba(201,175,116,0.12);
  --bg:          #080c0c;
  --bg2:         #0d1414;
  --bg3:         #111b1b;
  --text:        #d4eaea;
  --text-muted:  #6a9090;
  --border:      rgba(0,128,128,0.22);
  --font-display:'Oxanium', sans-serif;
  --font-body:   'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background:    var(--bg);
  color:         var(--text);
  font-family:   var(--font-body);
  font-weight:   300;
  line-height:   1.7;
  overflow-x:    hidden;
}

/* Noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.6;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4rem;
  height: 72px;
  background: rgba(8,12,12,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

nav::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--teal-bright) 50%, var(--gold) 70%, transparent);
  opacity: 0.35;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.nav-logo svg,
.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover  { color: var(--gold-bright); }
.nav-links a.active { color: var(--gold); }

/* ── HAMBURGER ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 8px;
  transition: border-color 0.2s;
  flex-shrink: 0;
}

.nav-hamburger:hover { border-color: var(--teal); }

.nav-hamburger span {
  display: block;
  height: 1px;
  background: var(--text-muted);
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.2s;
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg);  background: var(--teal-bright); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); background: var(--teal-bright); }

/* ── MENU MOBILE ── */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(8,12,12,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  flex-direction: column;
  padding: 1.5rem 2rem 2rem;
  transform: translateY(-8px);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.nav-mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav-mobile-menu a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-mobile-menu a:last-child { border-bottom: none; }
.nav-mobile-menu a:hover,
.nav-mobile-menu a.active { color: var(--teal-bright); }

.nav-mobile-menu a::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--teal-dim);
  flex-shrink: 0;
  transition: background 0.2s, width 0.2s;
}

.nav-mobile-menu a:hover::before,
.nav-mobile-menu a.active::before { background: var(--teal-bright); width: 24px; }

/* ── CLASSES PARTAGÉES ── */
.platform-tag {
  font-size: 0.58rem;
  background: rgba(0,128,128,0.1);
  border: 1px solid var(--teal-dim);
  color: var(--teal);
  padding: 0.15rem 0.45rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.game-pricing-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.18rem 0.55rem;
  border: 1px solid;
}

.pricing-gratuit    { color: #00b3b3;      border-color: rgba(0,179,179,.35);    background: rgba(0,179,179,.08); }
.pricing-payant     { color: var(--gold);  border-color: rgba(201,175,116,.3);   background: rgba(201,175,116,.07); }
.pricing-opensource { color: #7ec890;      border-color: rgba(126,200,144,.3);   background: rgba(126,200,144,.07); }

.back-btn {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(212,234,234,0.6);
  background: none;
  border: 1px solid rgba(0,128,128,0.3);
  padding: 0.5rem 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}
.back-btn:hover { color: var(--teal-bright); border-color: var(--teal); }

/* ── BARRE DE RECHERCHE ── */
.search-bar-wrap {
  padding: 0 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 0 1rem;
  transition: border-color 0.2s;
}

.search-bar:focus-within          { border-color: var(--teal); }
.search-bar svg                   { color: var(--text-muted); flex-shrink: 0; transition: color 0.2s; }
.search-bar:focus-within svg      { color: var(--teal-bright); }

.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text);
  padding: 0.75rem 0;
  letter-spacing: 0.04em;
}

.search-input::placeholder { color: var(--text-muted); opacity: 0.6; }

.search-clear {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: none;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
  flex-shrink: 0;
}

.search-clear.visible { display: flex; }
.search-clear:hover   { color: var(--teal-bright); }

.search-no-results {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: none;
}

.search-no-results.visible { display: block; }
.search-no-results strong  { display: block; font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--teal-dim); }

/* ── BOUTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 2rem;
  border: 1px solid var(--teal);
  color: var(--teal-bright);
  background: transparent;
  cursor: pointer;
  transition: color 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
  z-index: 0;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
  z-index: -1;
}

.btn:hover::before { transform: scaleX(1); }
.btn:hover         { color: var(--bg); box-shadow: 0 0 24px rgba(0,128,128,0.35); }

.btn-gold          { border-color: var(--gold); color: var(--gold); }
.btn-gold::before  { background: var(--gold); }
.btn-gold:hover    { color: var(--bg); box-shadow: 0 0 24px rgba(201,175,116,0.35); }

.btn-center { display: flex; justify-content: center; margin-top: 3rem; }

/* ── TYPOGRAPHIE COMMUNE ── */
.section-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.5rem;
}

h2 .accent { color: var(--teal-bright); }

.divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(to right, var(--gold), var(--teal), transparent);
  margin-bottom: 2.5rem;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid rgba(201,175,116,0.18);
  padding: 3rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--teal-bright) 50%, var(--gold) 70%, transparent);
  opacity: 0.4;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  opacity: 0.6;
}

.footer-logo svg,
.footer-logo img { height: 28px; }

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold-bright); }

.footer-copy {
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.5;
}

/* ── SCROLL-TO-TOP ── */
#scrollTopBtn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg2);
  border: 1px solid var(--teal-dim);
  color: var(--teal-bright);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, border-color 0.2s, background 0.2s;
  pointer-events: none;
}

#scrollTopBtn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

#scrollTopBtn:hover {
  background: rgba(0,128,128,0.15);
  border-color: var(--teal-bright);
}

/* ── RESPONSIVE GLOBAL ── */
@media (max-width: 768px) {
  nav              { padding: 0 1.5rem; }
  .nav-links       { display: none; }
  .nav-hamburger   { display: flex; }
  footer           { flex-direction: column; padding: 2rem 1.5rem; }
  .search-bar-wrap { padding-left: 1.5rem; padding-right: 1.5rem; }
}