/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f5f7fa;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* ===== HEADER ===== */
header {
  background: #0a2540;
  color: white;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 0.5px;
}

.logo span {
  color: #3b82f6;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

nav a {
  color: #e2e8f0;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover,
nav a.active {
  color: #3b82f6;
}

/* ===== HERO (Home page) ===== */
.hero {
  background: linear-gradient(135deg, #0a2540 0%, #1e3a5f 100%);
  color: white;
  padding: 90px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 15px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 650px;
  margin: 0 auto 30px;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  background: #3b82f6;
  color: white;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.2s;
}

.btn:hover {
  background: #2563eb;
}

/* ===== SECTIONS ===== */
.section {
  padding: 60px 0;
}

.section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 15px;
  color: #0a2540;
}

.section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
  color: #555;
}

/* ===== FEATURE CARDS (Home) ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.feature-card {
  background: white;
  padding: 30px 25px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  text-align: center;
}

.feature-card h3 {
  margin: 15px 0 10px;
  color: #0a2540;
}

/* ===== ABOUT PAGE ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-text p {
  margin-bottom: 15px;
}

/* ===== BRANDS GRID ===== */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 25px;
}

.brand-card {
  background: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  text-align: center;
  transition: transform 0.2s;
}

.brand-card:hover {
  transform: translateY(-5px);
}

.brand-card img {
  height: 80px;
  object-fit: contain;
  margin: 0 auto 15px;
}

.brand-card h3 {
  font-size: 1.1rem;
  color: #0a2540;
}

/* ===== CONTACT FORM ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info p {
  margin-bottom: 12px;
}

.contact-info strong {
  color: #0a2540;
}

form {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.form-group {
  margin-bottom: 18px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #0a2540;
}

input,
textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 1rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #3b82f6;
}

textarea {
  height: 140px;
  resize: vertical;
}

button[type="submit"] {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 12px 30px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

button[type="submit"]:hover {
  background: #2563eb;
}

/* ===== FOOTER ===== */
footer {
  background: #0a2540;
  color: #94a3b8;
  text-align: center;
  padding: 25px 20px;
  margin-top: 40px;
}

footer a {
  color: #3b82f6;
}

/* ===== PRODUCT GRID ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
}

.product-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transition: transform 0.2s;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-card-art {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.product-card-body {
  padding: 20px 22px 25px;
}

.product-card-body h3 {
  color: #0a2540;
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.tag-list {
  list-style: none;
}

.tag-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: #475569;
}

.tag-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3b82f6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 15px;
  }

  nav ul {
    gap: 18px;
  }

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

  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}