/* OpenDossard v2 — Custom Styles */

:root {
  /* Primary */
  --primary: #4472C4;
  --primary-light: #5B8DEF;
  --primary-dark: #2d4889;

  /* Navy gradient stops */
  --navy-dark: #0f172a;
  --navy-mid: #1e3a5f;
  --navy-light: #2d5a87;

  /* Accent */
  --accent-green: #10B981;
  --accent-green-light: #34D399;
  --accent-teal: #14B8A6;

  /* Neutral */
  --bg: #f8fafc;
  --fg: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.18);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #2d5a87 70%, #4472C4 100%);
  --gradient-primary: linear-gradient(135deg, #4472C4 0%, #5B8DEF 100%);
  --gradient-accent: linear-gradient(135deg, #10B981 0%, #14B8A6 100%);
}

/* ---- Base ---- */
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

/* ---- Glass card ---- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
}

/* ---- Text gradient ---- */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Hover lift ---- */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(68, 114, 196, 0.18);
}

/* ---- Fade-in-up animation ---- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Navbar ---- */
.nav-main {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
  background: transparent;
}
.nav-main.scrolled {
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.2);
}

/* ---- Horizontal scroll container (screenshots) ---- */
.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.scroll-x::-webkit-scrollbar {
  display: none;
}

/* ---- Federation logos grayscale → color ---- */
.fed-logo {
  filter: grayscale(100%) brightness(1.4);
  opacity: 0.5;
  transition: filter 0.4s ease, opacity 0.4s ease;
}
.fed-logo:hover {
  filter: grayscale(0%) brightness(1);
  opacity: 1;
}

/* ---- Gradient accent bar (feature cards) ---- */
.accent-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--gradient-accent);
}

/* ---- Screenshot images ---- */
.screenshot {
  border-radius: 0.75rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border);
  cursor: zoom-in;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.screenshot:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  cursor: zoom-out;
}
.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox img {
  max-width: 92vw;
  max-height: 92vh;
  border-radius: 0;
  border: none;
  box-shadow: none;
  object-fit: contain;
  transform: scale(0.92);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.lightbox.open img {
  transform: scale(1);
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  transition: background 0.2s ease;
}
.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ---- Badge pill ---- */
.badge-v2 {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---- Section alternate background ---- */
.section-alt {
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

/* ---- Stagger children animation delay ---- */
.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.10s; }
.stagger > *:nth-child(3) { transition-delay: 0.15s; }
.stagger > *:nth-child(4) { transition-delay: 0.20s; }
.stagger > *:nth-child(5) { transition-delay: 0.25s; }
.stagger > *:nth-child(6) { transition-delay: 0.30s; }
.stagger > *:nth-child(7) { transition-delay: 0.35s; }
.stagger > *:nth-child(8) { transition-delay: 0.40s; }

/* ---- Tech badge ---- */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.tech-badge:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(68, 114, 196, 0.12);
}
.tech-badge img {
  width: 1.25rem;
  height: 1.25rem;
}

/* ---- Mobile nav overlay ---- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(15, 23, 42, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav a {
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}
.mobile-nav a:hover {
  color: var(--accent-green-light);
}