/* =========================================================
   SCANAPSE — THEME NEON DARK / MK DESIGN SYSTEM
   Fichier COMPLET — aucun morceau manquant
   ========================================================= */

/* ----------------------------------------------
   VARIABLES GLOBALS
---------------------------------------------- */

:root {
  --color-bg: #050816;
  --color-bg-alt: #090d1f;
  --color-surface: #0d1126;

  --color-border: rgba(140, 148, 171, 0.28);
  --color-card-border: rgba(255, 255, 255, 0.06);

  --color-primary: #8b5cf6; /* violet */
  --color-primary-glow: rgba(139, 92, 246, 0.55);

  --color-accent: #ec4899; /* rose */
  --color-accent-glow: rgba(236, 72, 153, 0.65);

  --color-secondary: #22c55e; /* vert */
  --color-secondary-glow: rgba(34, 197, 94, 0.55);

  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --transition-fast: 0.18s ease-out;
  --transition-medium: 0.28s ease-in-out;

  --shadow-soft: 0 22px 60px rgba(5, 8, 22, 0.75);
  --shadow-card: 0 18px 45px rgba(5, 8, 22, 0.65);
}

/* RESET */

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

html {
  scroll-behavior: smooth;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, rgba(139, 92, 246, 0.1), transparent 45%),
              radial-gradient(circle at top right, rgba(236, 72, 153, 0.1), transparent 50%),
              var(--color-bg);
  color: var(--color-text);
}

/* ----------------------------------------------
   LAYOUT
---------------------------------------------- */

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.3rem;
}

.section {
  padding: 2.6rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
}

.section-header h1,
.section-header h2 {
  margin: 0 0 0.6rem;
}

.section-header p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ----------------------------------------------
   HEADER
---------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(139, 92, 246, 0.25);
  background: radial-gradient(circle at top left, rgba(139, 92, 246, 0.15), transparent 60%),
              rgba(5, 8, 22, 0.92);
  padding: 0.3rem 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--color-text);
}

.brand-logo-wrap {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  padding: 3px;
  background: radial-gradient(circle at 0 0, var(--color-primary), var(--color-accent));
  box-shadow: 0 8px 26px var(--color-primary-glow);
}

.brand-logo {
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

.brand-name {
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  display: block;
}

.nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 1rem;
}

.site-nav ul {
  display: flex;
  gap: 0.7rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav a {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  color: var(--color-text-muted);
  text-decoration: none;
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.18);
}

.site-nav a.is-active {
  background: radial-gradient(circle at 0 0, var(--color-primary), var(--color-accent));
  color: white;
  box-shadow: 0 12px 28px var(--color-primary-glow);
}

.nav-cta {
  display: none;
}

/* Desktop */
@media (min-width: 900px) {
  .site-nav { display: flex; }
  .nav-toggle { display: none; }
  .nav-cta { display: block; }
}

/* Mobile menu open */
.site-nav.is-open {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: rgba(5, 8, 22, 0.96);
  position: absolute;
  left: 0; right: 0;
  top: 70px;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

/* ----------------------------------------------
   BUTTONS + CTA
---------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  font-size: 0.88rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: radial-gradient(circle at 0 0, var(--color-primary), var(--color-accent));
  color: white;
  box-shadow: 0 14px 32px var(--color-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px var(--color-primary-glow);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-text);
}

.btn-donate {
  background: radial-gradient(circle at 0 0, var(--color-accent), var(--color-primary));
  color: #fff;
  box-shadow: 0 14px 36px var(--color-accent-glow);
}

.btn-donate:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 48px var(--color-accent-glow);
}

.btn-small {
  padding: 0.45rem 0.9rem;
}

/* ----------------------------------------------
   HERO
---------------------------------------------- */

.hero {
  padding: 2.6rem 0 2rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero h1 {
  font-size: 2rem;
  margin: 0.4rem 0 1rem;
}

.hero-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

/* Desktop hero split */
@media (min-width: 900px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
  }
}

/* ----------------------------------------------
   CARDS
---------------------------------------------- */

.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 1.3rem;
  box-shadow: var(--shadow-card);
}

.card h3 {
  margin-top: 0;
}

.card-muted {
  opacity: 0.8;
  border-style: dashed;
}

/* ----------------------------------------------
   GRID SYSTEM
---------------------------------------------- */

.grid {
  display: grid;
  gap: 1.4rem;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ----------------------------------------------
   FORMS
---------------------------------------------- */

.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 520px;
}

.form-group label {
  margin-bottom: 0.25rem;
  display: block;
  font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(140, 148, 171, 0.4);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-glow);
}

/* ----------------------------------------------
   FOOTER
---------------------------------------------- */

.site-footer {
  margin-top: 3rem;
  padding: 2.8rem 0 0;
  background: radial-gradient(circle at top left, rgba(139, 92, 246, 0.16), transparent 65%),
              radial-gradient(circle at top right, rgba(236, 72, 153, 0.16), transparent 60%),
              var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.footer-main {
  display: grid;
  gap: 2rem;
}

@media (min-width: 960px) {
  .footer-main {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.footer-initials {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: 0.5rem;
}

.footer-heading {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.footer-links {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 0.35rem;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.84rem;
}

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

.footer-bottom {
  margin-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.footer-bottom-inner {
  padding: 1rem 0 1.4rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

@media (min-width: 960px) {
  .footer-bottom-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ----------------------------------------------
   FLOATING DONATE BUTTON
---------------------------------------------- */

.floating-donate {
  position: fixed;
  right: 1.3rem;
  bottom: 1.3rem;
  width: 50px;
  height: 50px;
  border-radius: 999px;
  background: radial-gradient(circle at 0 0, var(--color-accent), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 18px 42px var(--color-accent-glow);
  text-decoration: none;
  font-size: 1.4rem;
  transition: var(--transition-fast);
  z-index: 100;
}

.floating-donate:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 52px var(--color-accent-glow);
}

/* Webkit (Chrome, Safari, Edge) */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #0f172a; /* Fond sombre */
}
::-webkit-scrollbar-thumb {
    background: #334155; /* Gris moyen */
    border-radius: 5px;
    border: 2px solid #0f172a; /* Marge interne */
}
::-webkit-scrollbar-thumb:hover {
    background: #a855f7; /* Violet au survol */
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #334155 #0f172a;
}