@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-color: #FAFAFA;
  --surface: #FFFFFF;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --accent: #000000;
  --accent-hover: #374151;
  --border: #E5E7EB;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.05), 0 10px 10px -5px rgba(0,0,0,0.02);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; border-radius: var(--radius-md); }

/* Typography */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: 4rem; line-height: 1.1; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
p { font-size: 1.125rem; color: var(--text-secondary); }

/* Utilities */
.container { max-width: 1400px; margin: 0 auto; padding: 0 5%; }
.btn-primary {
  display: inline-flex; justify-content: center; align-items: center;
  background: var(--accent); color: #FFF;
  padding: 16px 32px; border-radius: 100px;
  font-weight: 600; font-size: 1.125rem;
  transition: var(--transition); border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-secondary {
  display: inline-flex; justify-content: center; align-items: center;
  background: transparent; color: var(--accent);
  padding: 16px 32px; border-radius: 100px;
  font-weight: 600; font-size: 1.125rem;
  border: 1px solid var(--border); transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--accent); background: var(--surface); }

/* Header */
.top-bar {
  background: var(--text-primary); color: #FFF;
  font-size: 0.875rem; padding: 10px 0; font-weight: 500;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }

.header {
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 1000;
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.05em; display: flex; align-items: center; gap: 12px; }
.logo-icon { width: 36px; height: 36px; background: var(--accent); color: #fff; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }

.nav-links { display: flex; gap: 40px; }
.nav-links a { font-weight: 500; color: var(--text-secondary); }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

/* Hero */
.hero { padding: 120px 0; text-align: center; }
.hero h1 { max-width: 900px; margin: 0 auto 24px; }
.hero p { max-width: 600px; margin: 0 auto 40px; font-size: 1.25rem; }
.hero-btns { display: flex; gap: 20px; justify-content: center; }

/* Bento Features */
.features { padding: 80px 0; }
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.bento-item {
  background: var(--surface); padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.bento-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.bento-icon { font-size: 2.5rem; margin-bottom: 24px; }
.bento-item h3 { margin-bottom: 12px; color: var(--text-primary); }

/* Products */
.products-sec { padding: 100px 0; background: var(--surface); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header p { max-width: 600px; margin: 16px auto 0; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 40px; }
.product-card { transition: var(--transition); }
.product-card:hover { transform: translateY(-8px); }
.product-img-wrapper { 
  background: var(--bg-color); border-radius: var(--radius-lg); 
  aspect-ratio: 4/3; overflow: hidden; margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center;
}
.product-img-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.product-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.product-cat { font-size: 0.875rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.product-price { font-weight: 700; font-size: 1.25rem; }
.product-price span { font-weight: 400; font-size: 1rem; color: var(--text-secondary); }
.product-title { font-size: 1.5rem; margin-bottom: 16px; }

/* Reviews */
.reviews-sec { padding: 100px 0; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.review-card {
  background: var(--surface); padding: 40px;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
}
.stars { font-size: 1.5rem; margin-bottom: 20px; letter-spacing: 2px; }
.review-text { font-size: 1.125rem; color: var(--text-primary); margin-bottom: 32px; font-weight: 500; }
.reviewer { font-weight: 600; color: var(--text-secondary); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em;}

/* Contact / Form */
.contact-sec { padding: 100px 0; background: var(--text-primary); color: #FFF; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.contact-sec h2 { color: #FFF; }
.contact-sec p { color: #9CA3AF; }
.form-card { background: var(--surface); padding: 48px; border-radius: var(--radius-lg); }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-primary); font-size: 0.875rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 16px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-family: inherit; font-size: 1rem;
  background: var(--bg-color); transition: var(--transition); color: var(--text-primary);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); background: #FFF; }

/* Footer */
.footer { padding: 80px 0 40px; background: var(--surface); border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
.footer-logo { font-size: 1.25rem; font-weight: 800; margin-bottom: 16px; display: block; }
.footer h4 { font-size: 1rem; margin-bottom: 24px; }
.footer ul li { margin-bottom: 12px; color: var(--text-secondary); }
.footer ul li a:hover { color: var(--accent); }
.footer-bottom { text-align: center; color: var(--text-secondary); font-size: 0.875rem; padding-top: 40px; border-top: 1px solid var(--border); }

/* Inner Pages */
.page-hero { padding: 100px 0 60px; text-align: center; border-bottom: 1px solid var(--border); background: var(--surface); }
.page-hero h1 { font-size: 3rem; margin-bottom: 20px; }
.content-wrapper { padding: 80px 0; max-width: 800px; margin: 0 auto; }
.content-wrapper h2 { margin: 40px 0 20px; font-size: 2rem; }
.content-wrapper p { margin-bottom: 24px; }
.content-wrapper ul { margin-bottom: 32px; padding-left: 20px; list-style: disc; color: var(--text-secondary); font-size: 1.125rem; line-height: 1.8; }

@media (max-width: 1024px) {
  .bento-grid, .reviews-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 3rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .bento-grid, .reviews-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2.5rem; }
}