/* =========================================================
   Finance App - Auth + Landing Styles
   Combines Register, Login, and Landing Page Design
   ========================================================= */

/* ========== BASE LAYOUT ========== */
html, body {
    margin: 0;
    padding: 0;
  }
  
  .landing-light {
    background: #fff;
    color: #111;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow-x: hidden;
  }
  
  /* =========================================================
     HEADER (fixed at top)
     ========================================================= */
  .nf-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  }
  
  .nf-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nf-logo {
    font-weight: 900;
    font-size: 1.8rem;
    color: var(--primary);
    letter-spacing: 0.5px;
  }
  
  .nf-login {
    color: #000;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid #ccc;
    transition: background 0.2s ease, color 0.2s ease;
  }
  .nf-login:hover {
    background: var(--primary);
    color: #fff;
  }
  
  /* =========================================================
     HERO SECTION
     ========================================================= */
  .nf-hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 1rem 6rem; /* for header + footer spacing */
    background: #fff;
  }
  
  .nf-hero-content {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .nf-title {
    font-size: clamp(2.4rem, 6vw, 3.2rem);
    font-weight: 900;
    color: #000;
    margin-bottom: 0.5rem;
  }
  
  .nf-subtitle {
    font-size: 1.15rem;
    color: #444;
    margin-bottom: 1.2rem;
    line-height: 1.5;
  }
  
  /* =========================================================
     SIGNUP FORM (Landing/Register)
     ========================================================= */
  .nf-signup {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.4rem;
    max-width: 460px;
    margin: 0 auto;
  }
  
  .nf-input {
    padding: 0.85rem 1rem;
    border-radius: 6px;
    border: 1px solid #ccc;
    background: #f7f7f7;
    color: #000;
    outline: none;
    font-size: 1rem;
  }
  .nf-input::placeholder {
    color: #888;
  }
  .nf-input:focus {
    border-color: var(--primary);
    background: #fff;
  }
  
  .nf-btn {
    padding: 0.85rem 1.3rem;
    border: none;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease;
  }
  .nf-btn:hover {
    background: var(--accent);
  }
  
  .nf-hint {
    display: block;
    margin-top: 0.6rem;
    color: #666;
    font-size: 0.88rem;
  }
  
  /* =========================================================
     ABOUT SECTION
     ========================================================= */
  .nf-about {
    background: #fafafa;
    border-top: 1px solid #eee;
    padding: 3rem 1rem 4rem;
    text-align: center;
  }
  
  .nf-about-inner {
    max-width: 900px;
    margin: 0 auto;
  }
  
  .nf-about h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .nf-about p {
    color: #444;
    font-size: 1.05rem;
    margin-bottom: 2rem;
    line-height: 1.6;
  }
  
  /* Feature Cards */
  .nf-about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
  }
  
  .nf-about-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    padding: 1.5rem;
    text-align: left;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .nf-about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  }
  
  .nf-about-card h3 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }
  
  .nf-about-card p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
  }
  
  /* =========================================================
     FOOTER (fixed at bottom)
     ========================================================= */
  .nf-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    color: #555;
    text-align: center;
    border-top: 1px solid #ddd;
    padding: 0.8rem 1rem;
    box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.05);
    z-index: 999;
  }
  
  .nf-footer-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
  }
  
  .nf-footer-inner p {
    margin: 0;
    font-size: 0.95rem;
    text-align: center;
  }
  
  .nf-legal {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.9rem;
  }
  
  .nf-legal a {
    color: #555;
    text-decoration: none;
    transition: color 0.2s ease;
  }
  
  .nf-legal a:hover {
    color: var(--accent);
  }
  
  .nf-legal .sep {
    color: #aaa;
    margin: 0 0.3rem;
  }
  
  /* =========================================================
     AUTH PAGES (Login + Register Forms)
     ========================================================= */
  .auth-container {
    max-width: 420px;
    margin: 6rem auto 4rem;
    background: var(--card-bg);
    padding: 2rem 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    text-align: center;
  }
  
  .auth-container h1 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
  }
  
  .auth-container p.subtext {
    color: var(--muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
  }
  
  /* FORM */
  .auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .auth-form label {
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
  }
  
  .auth-form input {
    padding: 0.7rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #fff;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  
  .auth-form input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,163,224,0.15);
    outline: none;
  }
  
  /* BUTTON */
  .auth-form button {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
  }
  
  .auth-form button:hover {
    background: var(--accent);
  }
  
  /* LINKS */
  .auth-links {
    margin-top: 1.25rem;
    font-size: 0.95rem;
  }
  
  .auth-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
  }
  
  .auth-links a:hover {
    text-decoration: underline;
  }
  
  /* =========================================================
     RESPONSIVE ADJUSTMENTS
     ========================================================= */
  @media (max-width: 640px) {
    .nf-header-inner {
      flex-direction: row;
      padding: 0.75rem 1rem;
    }
  
    .nf-logo {
      font-size: 1.5rem;
    }
  
    .nf-signup {
      grid-template-columns: 1fr;
    }
  
    .nf-btn {
      width: 100%;
    }
  
    .nf-hero {
      padding: 5rem 1rem 3rem;
    }
  
    .nf-about {
      padding: 2rem 1rem 3rem;
    }
  
    .nf-about h2 {
      font-size: 1.7rem;
    }
  
    .auth-container {
      margin: 2rem 1rem;
      padding: 1.5rem;
    }
  }