/* BeanCrema Canada - Coffee Culture Blog CSS */
/* Color Palette */
:root {
  --roast-brown: #3B2F2F;
  --crema-gold: #C89F63;
  --slate: #7A9E9F;
  --linen: #F6F1E9;
  --copper: #B8621B;
  --text-dark: #2C241E;
  --text-light: #6B5B53;
  --white: #FFFFFF;
  --shadow: rgba(59, 47, 47, 0.24);
  --shadow-light: rgba(59, 47, 47, 0.12);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--linen);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 3.1rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

a {
  text-decoration: none;
  color: var(--roast-brown);
  transition: color 0.2s ease;
}

a:hover {
  color: var(--copper);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.grid {
  display: grid;
  gap: 24px;
}

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

/* Header & Navigation */
.header {
  background: var(--white);
  box-shadow: 0 2px 12px var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--roast-brown);
}

.logo span {
  color: var(--crema-gold);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  background: var(--crema-gold);
  color: var(--white);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--roast-brown);
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--roast-brown) 0%, var(--slate) 100%);
  color: var(--white);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="crema" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="2" fill="rgba(200,159,99,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23crema)"/></svg>');
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-10px) translateX(5px); }
  50% { transform: translateY(0) translateX(10px); }
  75% { transform: translateY(10px) translateX(5px); }
  100% { transform: translateY(0) translateX(0); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
  animation: fadeInUp 1s ease 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--copper);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200, 159, 99, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--crema-gold);
  border: 2px solid var(--crema-gold);
}

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

/* Cards */
.card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 28px var(--shadow);
  transition: all 0.3s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px var(--shadow);
}

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

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--roast-brown);
}

.card-excerpt {
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-light);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-beginner {
  background: #E8F5E8;
  color: #2E7D2E;
}

.badge-advanced {
  background: #FFE8E8;
  color: #C62828;
}

.badge-time {
  background: #E3F2FD;
  color: #1565C0;
}

/* Category Pages */
.category-header {
  background: linear-gradient(135deg, var(--roast-brown) 0%, var(--crema-gold) 100%);
  color: var(--white);
  padding: 4rem 0 3rem;
  text-align: center;
}

.category-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.category-description {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.9);
}

/* Filter Chips */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0;
}

.chip {
  padding: 0.5rem 1rem;
  border: 2px solid var(--crema-gold);
  border-radius: 25px;
  color: var(--crema-gold);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.chip:hover,
.chip.active {
  background: var(--crema-gold);
  color: var(--white);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--roast-brown);
}

/* Stats Section */
.stats {
  background: var(--white);
  padding: 3rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--crema-gold);
  display: block;
}

.stat-label {
  color: var(--text-light);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Advantages Section */
.advantages {
  padding: 4rem 0;
}

.advantage-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 16px var(--shadow-light);
  transition: all 0.3s ease;
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  background: var(--crema-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--white);
  font-size: 1.5rem;
}

/* Reviews Section */
.reviews {
  background: var(--white);
  padding: 4rem 0;
}

.review-card {
  background: var(--linen);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--crema-gold);
}

.review-text {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.review-author {
  font-weight: 600;
  color: var(--roast-brown);
}

/* Newsletter */
.newsletter {
  background: linear-gradient(135deg, var(--roast-brown) 0%, var(--slate) 100%);
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
}

.newsletter-form {
  max-width: 500px;
  margin: 2rem auto 0;
  display: flex;
  gap: 1rem;
}

.newsletter-input {
  flex: 1;
  padding: 1rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
}

.newsletter-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(200, 159, 99, 0.3);
}

/* Footer */
.footer {
  background: var(--roast-brown);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: var(--crema-gold);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--crema-gold);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--copper);
  transform: translateY(-2px);
}

/* Steam Animation */
.steam {
  position: absolute;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: steam-rise 3s infinite;
}

@keyframes steam-rise {
  0% {
    transform: translateY(0) scale(0);
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) scale(1);
    opacity: 0;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 12px var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

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

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.8rem; }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .filter-chips {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 4rem 0;
  }

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

  .section {
    padding: 2rem 0;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* Smooth transitions for all interactive elements */
button, .btn, .card, .nav-link {
  transition: all 0.2s ease;
}

/* Crema effect on hover */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(200, 159, 99, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card:hover::after {
  opacity: 1;
}