/* MedStore App - Static Website Styles */

/* ============================================
   1. ROOT VARIABLES & BASE STYLES
   ============================================ */
:root {
  --primary-color: #0d6efd;
  --success-color: #198754;
  --info-color: #0dcaf0;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --dark-color: #212529;
  --light-color: #f8f9fa;
  --gray-color: #6c757d;
  --white: #ffffff;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--white);
}

/* ============================================
   2. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.display-4 { font-size: 3.5rem; font-weight: 300; }
.display-5 { font-size: 3rem; font-weight: 300; }
.display-6 { font-size: 2.5rem; font-weight: 300; }
.lead { font-size: 1.25rem; font-weight: 300; }

/* ============================================
   3. LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.container-fluid {
  width: 100%;
  padding: 0 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

[class^="col-"] {
  padding: 0 15px;
  width: 100%;
}

.col-md-3 { width: 25%; }
.col-md-4 { width: 33.333%; }
.col-md-6 { width: 50%; }
.col-md-8 { width: 66.666%; }
.col-md-10 { width: 83.333%; }
.col-lg-2 { width: 16.666%; }
.col-lg-3 { width: 25%; }
.col-lg-4 { width: 33.333%; }
.col-lg-6 { width: 50%; }
.col-lg-8 { width: 66.666%; }
.col-lg-10 { width: 83.333%; }

/* ============================================
   4. NAVBAR
   ============================================ */
.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.25rem;
}

.navbar-brand img {
  margin-right: 0.5rem;
}

.navbar-nav {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  color: var(--dark-color);
  text-decoration: none;
  padding: 0.5rem 1rem;
  transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

.navbar-toggler {
  display: none;
  background: none;
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  padding: 1rem 0.75rem;
  cursor: pointer;
  line-height: 1;
}

.navbar-toggler .hamburger {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--dark-color);
  position: relative;
  transition: background-color 0.3s;
}

.navbar-toggler .hamburger::before,
.navbar-toggler .hamburger::after {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--dark-color);
  position: absolute;
  left: 0;
  transition: transform 0.3s, top 0.3s;
}

.navbar-toggler .hamburger::before { top: -6px; }
.navbar-toggler .hamburger::after { top: 6px; }

/* Animate to X when open */
.navbar-toggler.active .hamburger {
  background-color: transparent;
}

.navbar-toggler.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.navbar-toggler.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ============================================
   5. BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  font-size: 1rem;
  font-weight: 400;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: #0b5ed7;
  border-color: #0a58ca;
}

.btn-success {
  background-color: var(--success-color);
  color: var(--white);
  border-color: var(--success-color);
}

.btn-warning {
  background-color: var(--warning-color);
  color: var(--dark-color);
  border-color: var(--warning-color);
}

.btn-outline-secondary {
  background-color: transparent;
  color: var(--gray-color);
  border-color: var(--gray-color);
}

.btn-outline-secondary:hover {
  background-color: var(--gray-color);
  color: var(--white);
}

.btn-lg {
  padding: 0.75rem 2rem;
  font-size: 1.125rem;
}

/* ============================================
   6. CARDS
   ============================================ */
.card {
  background-color: var(--white);
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  margin-bottom: 1.5rem;
}

.card-body {
  padding: 1.5rem;
}

.card-header {
  padding: 1rem 1.5rem;
  background-color: var(--light-color);
  border-bottom: 1px solid #dee2e6;
}

.card.border-0 {
  border: none;
}

.card.shadow-sm {
  box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
}

.card.border-primary {
  border-color: var(--primary-color);
}

.card.border-success {
  border-color: var(--success-color);
}

.card.border-warning {
  border-color: var(--warning-color);
}

.card.border-info {
  border-color: var(--info-color);
}

.card-header.bg-primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.card-header.bg-success {
  background-color: var(--success-color);
  color: var(--white);
}

.card-header.bg-warning {
  background-color: var(--warning-color);
  color: var(--dark-color);
}

.h-100 {
  height: 100%;
}

/* ============================================
   7. ALERTS & BADGES
   ============================================ */
.alert {
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
}

.alert-info {
  background-color: #cff4fc;
  border-color: #b6effb;
  color: #055160;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: #ffe69c;
  color: #664d03;
}

.badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: 0.75em;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.375rem;
}

.badge.bg-success {
  background-color: var(--success-color);
}

.badge.bg-primary {
  background-color: var(--primary-color);
}

.badge.bg-warning {
  background-color: var(--warning-color);
  color: var(--dark-color);
}

.badge.bg-info {
  background-color: var(--info-color);
  color: var(--dark-color);
}

/* ============================================
   8. FOOTER
   ============================================ */
footer {
  background-color: var(--dark-color);
  color: var(--white);
  padding: 3rem 0 1rem;
  margin-top: 3rem;
}

footer a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.3s;
}

footer a:hover {
  opacity: 0.8;
}

footer hr {
  border-color: rgba(255,255,255,0.2);
  margin: 2rem 0;
}

footer .list-unstyled {
  list-style: none;
  padding: 0;
}

footer .list-unstyled li {
  margin-bottom: 0.5rem;
}

/* ============================================
   9. UTILITY CLASSES
   ============================================ */
/* Spacing */
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.p-4 { padding: 1.5rem; }

/* Text */
.text-center { text-align: center; }
.text-start { text-align: left; }
.text-end { text-align: right; }
.text-muted { color: var(--gray-color); }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-info { color: var(--info-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-white { color: var(--white); }
.fw-bold { font-weight: 700; }
.small { font-size: 0.875rem; }
.fs-5 { font-size: 1.25rem; }

/* Display */
.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.flex-wrap { flex-wrap: wrap; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }
.g-4 > * { padding: 1.5rem; }

/* Min height */
.min-vh-100 { min-height: 100vh; }

/* List styles */
.list-unstyled {
  list-style: none;
  padding: 0;
}

/* Position */
.position-relative { position: relative; }
.position-absolute { position: absolute; }

/* Icon spacing */
.me-1 { margin-right: 0.25rem; }
.me-2 { margin-right: 0.5rem; }
.me-3 { margin-right: 1rem; }
.ms-2 { margin-left: 0.5rem; }
.ms-auto { margin-left: auto; }

/* Width */
.w-100 { width: 100%; }

/* ============================================
   10. MEDICAL THEME SPECIFIC
   ============================================ */
.india-notice {
  background-color: #fff3cd;
  border-left: 4px solid var(--warning-color);
  padding: 1rem;
  margin: 1rem 0;
}

.india-notice-inline {
  display: inline-block;
  background-color: #fff3cd;
  color: #664d03;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
}

/* Feature icons */
.feature-icon i {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Hero section */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--white);
  padding: 4rem 0;
}

/* ============================================
   11. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
  .col-lg-2,
  .col-lg-3,
  .col-lg-4,
  .col-lg-6,
  .col-lg-8,
  .col-lg-10 {
    width: 100%;
  }

  .navbar .container {
    flex-wrap: wrap;
  }

  .navbar-toggler {
    display: block;
  }

  #navbarNav {
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  #navbarNav.show {
    max-height: 400px;
  }

  .navbar-nav {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 0;
    gap: 0;
  }

  .navbar-nav li {
    border-bottom: 1px solid #f0f0f0;
  }

  .navbar-nav li:last-child {
    border-bottom: none;
    padding-top: 0.5rem;
  }

  .nav-link {
    display: block;
    padding: 0.75rem 0.5rem;
  }

  .navbar-nav .btn {
    display: block;
    text-align: center;
  }

  .display-4 { font-size: 2.5rem; }
  .display-5 { font-size: 2rem; }
}

@media (max-width: 768px) {
  .col-md-3,
  .col-md-4,
  .col-md-6,
  .col-md-8,
  .col-md-10 {
    width: 100%;
  }

  .display-4 { font-size: 2rem; }
  .display-5 { font-size: 1.75rem; }
  .lead { font-size: 1.1rem; }
}

/* ============================================
   12. FORM STYLES
   ============================================ */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--dark-color);
  background-color: var(--white);
  border: 1px solid #ced4da;
  border-radius: 0.375rem;
  transition: border-color 0.3s;
}

.form-control:focus {
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Accordion for FAQ */
.accordion {
  margin-top: 1rem;
}

.accordion-item {
  border: 1px solid #dee2e6;
  margin-bottom: 0.5rem;
  border-radius: 0.375rem;
  overflow: hidden;
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  width: 100%;
  padding: 1rem;
  background-color: var(--light-color);
  border: none;
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.3s;
}

.accordion-button:hover {
  background-color: #e9ecef;
}

.accordion-collapse {
  display: none;
}

.accordion-collapse.show {
  display: block;
}

.accordion-body {
  padding: 1rem;
}