/* ─── Base ─────────────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; }

  /* ─── Scrollbar ────────────────────────────────────── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #fdfcf3; }
  ::-webkit-scrollbar-thumb { background: #f9cfd9; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #f4a3bb; }

  /* ─── Badge ────────────────────────────────────────── */
  .badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #b52650;
    background: #fce7eb;
    border: 1px solid #f9cfd9;
    padding: 0.4em 1em;
    border-radius: 9999px;
  }

  /* ─── Buttons ──────────────────────────────────────── */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #b52650;
    color: #fff;
    font-weight: 700;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(181, 38, 80, 0.35);
  }
  .btn-primary:hover {
    background: #931b3d;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(181, 38, 80, 0.45);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #fff;
    color: #b52650;
    font-weight: 700;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    border: 2px solid #f9cfd9;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .btn-secondary:hover {
    border-color: #b52650;
    background: #fce7eb;
    transform: translateY(-2px);
  }

  /* ─── Cards ────────────────────────────────────────── */
  .card {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
  }
  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(181, 38, 80, 0.12);
    border-color: #f9cfd9;
  }

  /* ─── Inputs ───────────────────────────────────────── */
  .input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #f0e6e8;
    border-radius: 0.75rem;
    font-family: inherit;
    font-size: 1rem;
    color: #1f2937;
    background: #fefcf3;
    transition: all 0.3s ease;
    outline: none;
  }
  .input:focus {
    border-color: #b52650;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(181, 38, 80, 0.1);
  }
  .input::placeholder { color: #9ca3af; }

  /* ─── Nav link underline ───────────────────────────── */
  .nav-link::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #b52650;
    border-radius: 1px;
    margin-top: 2px;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after { width: 100%; }

  /* ─── Mobile links ─────────────────────────────────── */
  .mobile-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
  }
  .mobile-link:hover {
    background: #fce7eb;
  }

  /* ─── Navbar scroll state ──────────────────────────── */
  #navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  }
  #navbar.scrolled .nav-link { color: #374151; }

  /* ─── Scroll animations ────────────────────────────── */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ─── Responsive tweaks ────────────────────────────── */
  @media (max-width: 640px) {
    .card { padding: 1.5rem; }
    .font-serif { font-size: 2rem; }
  }