/* DRIP E-commerce Shared Styles */

/* --- 1. CSS Variables & Global Styles --- */
:root {
  --primary-color: #1900ff;
  --secondary-color: #ffffff;
  --background-color: #0a0a0a;
  --surface-color: #1a1a1a;
  --accent-color: #333333;
  --success-color: #00ff00;
  --error-color: #ff0000;
  --warning-color: #ffaa00;
  --font-main: "Poppins", sans-serif;
  --font-heading: "Bebas Neue", cursive;
  --border-radius: 15px;
  --transition: 0.3s ease;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--background-color);
  color: var(--secondary-color);
  overflow-x: hidden;
  line-height: 1.6;
}

/* --- 2. Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: 1px;
}

.price {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1.2rem;
}

/* --- 3. Header & Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--secondary-color);
  text-decoration: none;
  letter-spacing: 2px;
}

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

.nav-icons {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-icon {
  position: relative;
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  transition: var(--transition);
  font-family: var(--font-heading);
  padding: 0.5rem 1rem 0.5rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

.cart-icon:hover {
  color: var(--primary-color);
  background: rgba(25, 0, 255, 0.1);
}

.icon-text {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: 2px;
  background: var(--primary-color);
  color: var(--secondary-color);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-main);
  border: 2px solid var(--background-color);
}

/* --- 4. Buttons --- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: 50px;
  font-family: var(--font-main);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: #0f00cc;
  transform: translateY(-2px);
}

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

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

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

.btn-danger:hover {
  background-color: #cc0000;
}

/* --- 5. Cards --- */
.card {
  background-color: var(--surface-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

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

/* --- 6. Forms --- */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--secondary-color);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--accent-color);
  border-radius: 8px;
  background-color: var(--surface-color);
  color: var(--secondary-color);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(25, 0, 255, 0.1);
}

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

.error-message {
  color: var(--error-color);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* --- 7. Grid Layouts --- */
.grid {
  display: grid;
  gap: 2rem;
}

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

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

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

/* --- 8. Utilities --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

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

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

.text-right {
  text-align: right;
}

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

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

.hidden {
  display: none;
}

.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* --- 9. Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.slide-in {
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.slide-in.active {
  transform: translateX(0);
}

/* --- 10. Mobile Responsive --- */
@media (max-width: 768px) {
  header {
    padding: 1rem 5%;
  }
  
  .logo {
    font-size: 1.5rem;
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 4%;
  }
}

/* --- 11. Footer --- */
footer {
  background-color: var(--surface-color);
  padding: 4rem 5% 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 4rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--secondary-color);
  text-decoration: none;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-logo span {
  color: var(--primary-color);
}

.social-links {
  margin-bottom: 2rem;
}

.social-links a {
  color: #aaa;
  text-decoration: none;
  margin: 0 1rem;
  font-size: 1.5rem;
  transition: var(--transition);
}

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

.copyright {
  font-size: 0.9rem;
  color: #777;
}