/* =============================================
   FRIXIO — Global Stylesheet
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;600;700;900&family=DM+Sans:wght@300;400;500&display=swap');

/* — Variables — */
:root {
  --bg:          #f5f5f3;
  --surface:     #efefed;
  --card:        #ffffff;
  --border:      #e0e0dc;
  --accent:      #0099bb;
  --accent-dim:  #007a96;
  --accent-glow: rgba(0, 153, 187, 0.12);
  --text:        #1a1a1a;
  --muted:       #888880;
  --nav-h:       64px;
  --radius:      10px;
  --transition:  0.22s ease;
}

/* — Reset — */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* =============================================
   NAV
   ============================================= */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(245, 245, 243, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 40px;
  gap: 0;
  z-index: 100;
}

.nav-logo {
  font-family: 'Exo 2', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-transform: uppercase;
  margin-right: 48px;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  font-family: 'Exo 2', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 18px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link:hover {
  color: var(--text);
  background: rgba(0,0,0,0.04);
}
.nav-link.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

/* =============================================
   PAGE WRAPPER
   ============================================= */

.page {
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 100px;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =============================================
   HERO / PAGE HEADER
   ============================================= */

.page-header {
  text-align: center;
  margin-bottom: 32px;
}

.page-title {
  font-family: 'Exo 2', sans-serif;
  font-weight: 900;
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text);
}
.page-title span {
  color: var(--accent);
}

.page-subtitle {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 400;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   CARD
   ============================================= */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

/* =============================================
   FOOTER
   ============================================= */

footer {
  border-top: 1px solid var(--border);
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-logo {
  font-family: 'Exo 2', sans-serif;
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
}

/* =============================================
   ACCUEIL — Hero section
   ============================================= */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px 0 60px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0,229,255,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
  font-family: 'Exo 2', sans-serif;
  font-weight: 900;
  font-size: clamp(3.5rem, 10vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-title .accent { color: var(--accent); }
.hero-title .dim    { color: var(--muted); font-weight: 300; }

.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 500px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #000;
  font-family: 'Exo 2', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.hero-cta:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 153, 187, 0.2);
}
.hero-cta svg { transition: transform var(--transition); }
.hero-cta:hover svg { transform: translateX(4px); }

/* divider */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 56px 0;
}

/* section title */
.section-label {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Exo 2', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

/* features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: rgba(0,229,255,0.35);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}
.feature-title {
  font-family: 'Exo 2', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--text);
}
.feature-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* =============================================
   SOCIAL PAGE
   ============================================= */

.social-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.social-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.social-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--platform-color, transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.social-card:hover {
  transform: translateX(6px);
  border-color: var(--platform-color, var(--accent));
  box-shadow: -4px 0 0 var(--platform-color, var(--accent));
}
.social-card:hover::before { opacity: 0.04; }

.social-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(0,0,0,0.05);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.6rem;
  border: 1px solid rgba(0,0,0,0.08);
}

.social-info { flex: 1; min-width: 0; }

.social-platform {
  font-family: 'Exo 2', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 4px;
}
.social-handle {
  font-size: 0.88rem;
  color: var(--muted);
}

.social-arrow {
  color: var(--muted);
  transition: color var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.social-card:hover .social-arrow {
  color: var(--platform-color, var(--accent));
  transform: translateX(4px);
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 640px) {
  nav { padding: 0 16px; }
  .nav-logo { margin-right: 16px; font-size: 1.2rem; }
  .nav-link { padding: 6px 12px; font-size: 0.75rem; }
  .page { padding-top: calc(var(--nav-h) + 32px); }
  .container { padding: 0 16px; }
  footer { flex-direction: column; text-align: center; padding: 20px 16px; }
}

/* — Hero divider & buttons — */
.hero-divider {
  width: 320px;
  max-width: 100%;
  height: 1px;
  background: var(--border);
  margin: 36px 0;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 320px;
}