@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
  --bg-color: #ffffff;
  --text-color: #000000;
  --border-color: #e5e5e5;
  --hover-bg: #f9f9f9;
  --accent-color: #000000;
  --accent-text: #ffffff;
  --transition-speed: 0.3s;
}

[data-theme="dark"] {
  --bg-color: #050505;
  --text-color: #f5f5f5;
  --border-color: #222222;
  --hover-bg: #111111;
  --accent-color: #ffffff;
  --accent-text: #000000;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  color: #666;
}
[data-theme="dark"] p { color: #a0a0a0; }

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header & Nav */
header {
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background-color: var(--bg-color);
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--text-color);
  transition: width var(--transition-speed) ease;
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.theme-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background-color: var(--accent-color);
  color: var(--accent-text);
  font-weight: 600;
  border: 1px solid var(--accent-color);
  border-radius: 4px;
  transition: all var(--transition-speed) ease;
  text-align: center;
}

.btn:hover {
  background-color: transparent;
  color: var(--text-color);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-color);
}

.btn-outline:hover {
  background-color: var(--accent-color);
  color: var(--accent-text);
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }

/* Cards (Blogs & Products) */
.card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  background: var(--bg-color);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
[data-theme="dark"] .card:hover {
  box-shadow: 0 10px 30px rgba(255,255,255,0.02);
}

.card-img-wrapper {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--border-color);
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img {
  transform: scale(1.05);
}

.card-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.price {
  font-weight: 800;
  font-size: 1.25rem;
}

/* Sections */
.section-padding {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: -1px;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 1rem;
  background-color: var(--hover-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-speed) ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--text-color);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-widget h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  transition: all var(--transition-speed) ease;
}

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

.copyright {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  font-size: 0.9rem;
  color: #888;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-color);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.8s forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple implementation for now, handled via js later */
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--bg-color);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

/* Loader */
.loader-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
}
.loader {
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top: 3px solid var(--text-color);
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}