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

body {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  color: #1f2937;
  background: #f9fafb;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.header {
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
  color: #2563eb;
}

.nav a {
  margin-left: 24px;
  text-decoration: none;
  color: #374151;
  font-weight: 500;
  transition: color .2s;
}

.nav a:hover { color: #2563eb; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  text-align: center;
  padding: 90px 20px;
}

.hero-inner h1 {
  font-size: 2.6rem;
  margin-bottom: 16px;
}

.hero-inner p {
  font-size: 1.2rem;
  opacity: .9;
  margin-bottom: 28px;
}

.btn-primary {
  display: inline-block;
  background: #fff;
  color: #2563eb;
  padding: 14px 36px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s;
}

.btn-primary:hover { transform: translateY(-2px); }

/* ===== Section titles ===== */
.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 36px;
  color: #111827;
}

/* ===== Products ===== */
.products { padding: 60px 0; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.product-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.product-img {
  width: 100%;
  height: 220px;
  background-size: cover;
  background-position: center;
  background-color: #e5e7eb;
}

.product-info {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-info h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.desc {
  font-size: .9rem;
  color: #6b7280;
  margin-bottom: 14px;
  flex-grow: 1;
}

.price {
  font-size: 1.3rem;
  font-weight: 700;
  color: #059669;
  margin-bottom: 14px;
}

.btn-buy {
  display: block;
  text-align: center;
  background: #2563eb;
  color: #fff;
  padding: 12px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background .2s;
}

.btn-buy:hover { background: #1d4ed8; }

/* ===== About ===== */
.about {
  background: #fff;
  padding: 60px 0;
  text-align: center;
}

.about p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: #4b5563;
}

/* ===== Contact ===== */
.contact {
  padding: 60px 0;
  text-align: center;
  background: #f3f4f6;
}

.contact-inner p {
  margin-bottom: 24px;
  color: #4b5563;
}

.btn-whatsapp {
  display: inline-block;
  background: #25d366;
  color: #fff;
  padding: 14px 40px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: background .2s;
}

.btn-whatsapp:hover { background: #1ebe5d; }

/* ===== Footer ===== */
.footer {
  background: #111827;
  color: #9ca3af;
  text-align: center;
  padding: 24px 0;
  font-size: .9rem;
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
  .hero-inner h1 { font-size: 1.8rem; }
  .nav a { margin-left: 14px; font-size: .9rem; }
  .logo { font-size: 1.1rem; }
}