:root {
  --bg: #1a0b0b;
  --panel: #260f0f;
  --card: #2a1111;
  --text: #fce8e8;
  --muted: #cfa8a8;
  --accent: #ff5b5b;
  --border: rgba(255, 255, 255, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(255, 91, 91, 0.10), transparent 60%),
    radial-gradient(900px 500px at 80% 30%, rgba(255, 90, 90, 0.07), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.container {
  width: min(1000px, 92%);
  margin: 0 auto;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(26, 11, 11, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0.4px;
  user-select: none;
  white-space: nowrap;
}

.logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.links a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: 150ms ease;
}

.links a:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
}

.links a.active {
  color: var(--text);
  font-weight: 800;
  border-color: rgba(255, 91, 91, 0.45);
  background: rgba(255, 91, 91, 0.10);
}

.btn-login {
  background: var(--accent);
  color: #061022 !important;
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 800;
}

/* MAIN */
main {
  padding: 18px 0 0;
}

/* HERO */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 44px 0 18px;
}

.hero-text {
  flex: 1;
}

.hero-media {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.hero h1 {
  font-size: 2.2rem;
  line-height: 1.15;
  margin: 0 0 10px;
}

.hero p {
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 65ch;
}

.hero-img {
  width: min(520px, 100%);
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

/* CARD */
.card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 30%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  margin: 16px 0;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
}

.card h2 {
  margin: 0 0 10px;
}

/* TEXT */
.muted {
  color: var(--muted);
  margin-top: 8px;
}

/* BUTTON */
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  border: 0;
  cursor: pointer;
  font-weight: 900;
  background: var(--accent);
  color: #061022;
  text-decoration: none;
  transition: 150ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

/* FORM */
label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  outline: none;
  transition: 150ms ease;
}

input::placeholder,
textarea::placeholder {
  color: rgba(207, 168, 168, 0.75);
}

input:focus,
textarea:focus {
  border-color: rgba(255, 91, 91, 0.7);
  background: rgba(0, 0, 0, 0.28);
}

/* INFOS RESEAUX */
.social-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.social-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.16);
  text-decoration: none;
  color: var(--text);
  transition: 150ms ease;
}

.social-item:hover {
  border-color: rgba(255, 91, 91, 0.55);
  background: rgba(255, 91, 91, 0.08);
  transform: translateY(-1px);
}

.social-title {
  font-weight: 900;
}

.social-desc {
  color: var(--muted);
  font-size: 0.95rem;
}

/* STAFF */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 15px;
}

.staff-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 15px;
  border-radius: 15px;
}

.staff-card h3 {
  margin: 0 0 8px;
}

/* SETUP PAGE */
.setup-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.setup-item {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.22);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.setup-img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
}

.setup-body {
  padding: 14px;
}

.setup-title {
  margin: 0 0 8px 0;
  font-size: 16px;
}

.setup-desc {
  margin: 0 0 12px 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.35;
}

.setup-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 24px 0;
  margin-top: 30px;
  background: rgba(26, 11, 11, 0.55);
}

/* RESPONSIVE */
@media (max-width: 980px) {
  .setup-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero-media {
    justify-content: center;
  }
}

@media (max-width: 820px) {
  .hero h1 {
    font-size: 1.9rem;
  }

  .links {
    gap: 8px;
  }
}

@media (max-width: 700px) {
  .social-grid,
  .staff-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .setup-grid {
    grid-template-columns: 1fr;
  }

  .setup-img {
    height: 170px;
  }
}