/* Kora - Food Delivery Subscription */
/* Design System & Global Styles */

/* ===== CSS Variables ===== */
:root {
  /* Colors - Kora Brand Palette */
  --color-primary: #E06730;
  --color-primary-dark: #C4562A;
  --color-secondary: #B37693;
  --color-secondary-dark: #9A6580;
  --color-accent: #57170D;
  --color-dark: #57170D;
  --color-light: #FFECD3;
  --color-text: #57170D;
  --color-text-light: #7A4A3D;
  --color-white: #FFFFFF;
  --color-border: #E8D5C4;
  --color-error: #C0392B;
  --color-success: #27AE60;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', var(--font-primary);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
  h3 { font-size: 1.75rem; }
}

p {
  margin-bottom: var(--spacing-md);
}

p:last-child {
  margin-bottom: 0;
}

.text-center { text-align: center; }
.text-light { color: var(--color-text-light); }

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Grid ===== */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(1, 1fr); }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

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

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

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: var(--spacing-md) 0;
}

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

.navbar-brand {
  display: flex;
  align-items: center;
}

.navbar-brand img {
  height: 40px;
  width: auto;
  /* Filter to make cream logo appear as dark brown (#57170D) */
  filter: brightness(0) saturate(100%) invert(12%) sepia(50%) saturate(2000%) hue-rotate(350deg) brightness(80%) contrast(100%);
}

.navbar-brand:hover img {
  /* Filter to make cream logo appear as orange (#E06730) */
  filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(600%) hue-rotate(350deg) brightness(95%) contrast(95%);
}

.navbar-nav {
  display: none;
  gap: var(--spacing-lg);
}

.navbar-nav a:not(.btn) {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
}

.navbar-nav a:not(.btn):hover {
  color: var(--color-primary);
}

.navbar-nav .btn {
  margin-left: var(--spacing-sm);
}

.navbar-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  transition: var(--transition-fast);
}

@media (min-width: 768px) {
  .navbar-nav {
    display: flex;
  }

  .navbar-toggle {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  z-index: 999;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: var(--spacing-md);
  color: var(--color-text);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* ===== Hero ===== */
.hero {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background: linear-gradient(135deg, var(--color-light) 0%, #FFF8F0 100%);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-text h1 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

.hero-text h1 span {
  color: var(--color-primary);
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Features / How It Works ===== */
.features {
  background-color: var(--color-white);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-white);
}

.feature-card h3 {
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-light);
}

.step-number {
  display: inline-block;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-weight: 600;
  line-height: 32px;
  margin-bottom: var(--spacing-md);
}

/* ===== Menu Preview ===== */
.menu-preview {
  background-color: var(--color-light);
}

.meal-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.meal-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.meal-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.meal-card-content {
  padding: var(--spacing-lg);
}

.meal-card h4 {
  margin-bottom: var(--spacing-sm);
}

.meal-card p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.meal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.meal-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-light);
  color: var(--color-text-light);
  font-size: 0.75rem;
  border-radius: var(--radius-full);
}

.meal-tag.vegetarian {
  background-color: #F5E6EC;
  color: var(--color-secondary);
}

.meal-tag.gluten-free {
  background-color: #FFF3E0;
  color: var(--color-primary);
}

/* ===== Pricing ===== */
.pricing {
  background-color: var(--color-white);
}

.pricing-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

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

.pricing-card:nth-child(1) { animation: float 4s ease-in-out infinite; }
.pricing-card:nth-child(2) { animation: float 4.5s ease-in-out 0.8s infinite; }
.pricing-card:nth-child(3) { animation: float 5s ease-in-out 1.6s infinite; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.pricing-card h3 {
  margin-bottom: var(--spacing-md);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.pricing-features {
  margin-bottom: var(--spacing-xl);
  flex-grow: 1;
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* ===== Testimonials ===== */
.testimonials {
  background-color: var(--color-light);
}

.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.testimonial-text {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.testimonial-text::before {
  content: '"';
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.3;
  position: absolute;
  top: -10px;
  left: -10px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 600;
}

.testimonial-info h5 {
  margin-bottom: 0;
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  margin-bottom: var(--spacing-md);
}

.footer-brand img {
  height: 45px;
  width: auto;
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-xs) 0;
}

.footer-section a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: background-color var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--color-primary);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-dark);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 156, 219, 0.1);
}

.form-input.error {
  border-color: var(--color-error);
}

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Cards ===== */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card-body {
  padding: var(--spacing-lg);
}

@media (min-width: 640px) {
  .card-body {
    padding: var(--spacing-xl);
  }
}

/* ===== Signup Page ===== */
.signup-page {
  padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-3xl);
  background-color: var(--color-light);
  min-height: 100vh;
}

.signup-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
  .signup-container {
    grid-template-columns: 2fr 1fr;
  }
}

.plan-selector {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 640px) {
  .plan-selector {
    grid-template-columns: repeat(3, 1fr);
  }
}

.plan-option {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.plan-option:hover {
  border-color: var(--color-primary);
}

.plan-option.selected {
  border-color: var(--color-primary);
  background-color: rgba(45, 156, 219, 0.05);
}

.plan-option input {
  display: none;
}

.order-summary {
  display: none;
}

@media (min-width: 1024px) {
  .order-summary {
    display: block;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: sticky;
    top: calc(80px + var(--spacing-lg));
  }
}

.order-summary h3 {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.order-line {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
}

.order-total {
  display: flex;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-top: 2px solid var(--color-dark);
  font-weight: 600;
  font-size: 1.25rem;
}

/* ===== Menu Page ===== */
.menu-page {
  padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-3xl);
}

.menu-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  justify-content: center;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: var(--color-white);
  color: var(--color-text);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background-color: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-white);
}

/* ===== Utilities ===== */
.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ===== Checkout Mobile Fixes ===== */
.delivery-toggle {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.delivery-toggle .btn {
  flex: 1;
  font-size: 0.875rem;
  padding: 0.75rem 0.5rem;
}

@media (min-width: 640px) {
  .delivery-toggle .btn {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
  }
}

.signup-page h1 {
  font-size: 1.75rem;
}

@media (min-width: 640px) {
  .signup-page h1 {
    font-size: 2.5rem;
  }
}

/* ===== Mobile Order Summary ===== */
.mobile-order-summary {
  display: block;
}

@media (min-width: 1024px) {
  .mobile-order-summary {
    display: none;
  }
}

/* ===== Scroll Fade-In ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }