/* ============================================
   DocSnap - Responsive CSS (Mobile-First)
   Developer: Mohd Rijvan Khan Mogia
   ============================================ */

/* ============================================
   Base (Mobile-first: < 480px)
   ============================================ */
.tool-grid {
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.hero-section h1 {
  font-size: 1.8rem;
}

.hero-section .lead {
  font-size: 0.95rem;
}

.hero-app-icon {
  width: 72px;
  height: 72px;
}

.hero-app-icon i {
  font-size: 2.2rem;
}

.hero-stats {
  gap: 0.5rem;
}

.section-title {
  font-size: 1.5rem;
}

.cta-section h2 {
  font-size: 1.5rem;
}

.page-hero h1 {
  font-size: 1.7rem;
}

.demo-card {
  padding: 1.5rem;
}

.upload-area {
  padding: 2rem 1rem;
}

.form-wrapper {
  padding: 1.5rem;
}

.developer-card {
  padding: 1.8rem 1.5rem;
}

.footer .col-md-4,
.footer .col-md-2 {
  margin-bottom: 2rem;
}

.footer-bottom {
  text-align: center;
}

/* ============================================
   Small Mobile (>= 480px)
   ============================================ */
@media (min-width: 480px) {
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
  }

  .hero-section h1 {
    font-size: 2rem;
  }

  .hero-section .lead {
    font-size: 1rem;
  }
}

/* ============================================
   Tablet (>= 768px)
   ============================================ */
@media (min-width: 768px) {
  .tool-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .hero-section {
    padding: 6rem 0 5rem;
  }

  .hero-section h1 {
    font-size: 2.5rem;
  }

  .hero-section .lead {
    font-size: 1.05rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .cta-section h2 {
    font-size: 1.8rem;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .page-hero {
    padding: 5rem 0 3.5rem;
  }

  .demo-card {
    padding: 2rem;
  }

  .form-wrapper {
    padding: 2rem;
  }

  .developer-card {
    padding: 2.2rem;
  }

  .footer-bottom {
    text-align: left;
  }
}

/* ============================================
   Desktop (>= 992px)
   ============================================ */
@media (min-width: 992px) {
  .tool-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .hero-section h1 {
    font-size: 2.8rem;
  }

  .section-title {
    font-size: 1.9rem;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

  .demo-card {
    padding: 2.5rem;
  }

  .form-wrapper {
    padding: 2.5rem;
  }

  .developer-card {
    padding: 2.5rem;
  }
}

/* ============================================
   Large Desktop (>= 1200px)
   ============================================ */
@media (min-width: 1200px) {
  .hero-section h1 {
    font-size: 3rem;
  }

  .tool-grid {
    gap: 1.1rem;
  }
}

/* ============================================
   Navbar Responsive
   ============================================ */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 0.5rem;
    box-shadow: var(--shadow-lg);
  }

  .navbar-nav .nav-link {
    padding: 0.5rem 0.8rem !important;
  }
}

/* ============================================
   Touch device adjustments
   ============================================ */
@media (hover: none) and (pointer: coarse) {
  .tool-card:hover {
    transform: none;
  }

  .feature-card:hover {
    transform: none;
  }

  .btn-download:hover {
    transform: none;
  }

  .btn-submit:hover {
    transform: none;
  }

  .download-btn:hover {
    transform: none;
  }
}

/* ============================================
   Print styles
   ============================================ */
@media print {
  .navbar,
  .hero-section .btn-download,
  .cta-section,
  #scrollToTop,
  .footer {
    display: none !important;
  }

  .legal-content {
    padding: 1rem 0;
  }

  body {
    font-size: 12pt;
  }
}