/* styles.css – полностью оптимизирован, добавлены недостающие стили и медиа-запросы */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary-dark: #0F2356;
  --primary-orange: #F28C00;
  --gray-bg: #F7F9FC;
  --text-dark: #111;
  --text-gray: #444;
  --border-light: #e5e5e5;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.08);
}

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

body {
  font-family: 'Inter', Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background: var(--gray-bg);
  line-height: 1.5;
}

/* Header */
header {
  background: transparent;
  border-bottom: 1px solid var(--border-light);
  padding: 20px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.logo {
  height: 60px;
  width: auto;
}
nav a {
  margin: 0 18px;
  text-decoration: none;
  color: var(--text-dark);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  transition: color 0.2s;
}
nav a:hover, nav a.active {
  color: var(--primary-orange);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #0a1a3a 100%);
  color: #fff;
  padding: 40px 0;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 0 20px;
}
.hero-left {
  max-width: 550px;
}
.hero h1 {
  font-size: 64px;
  font-weight: 700;
  letter-spacing: -0.8px;
  line-height: 1.05;
  margin: 0;
}
.hero p {
  margin-top: 20px;
  font-size: 18px;
  color: var(--primary-orange);
  font-weight: 500;
}
.hero img {
  max-height: 450px;
  object-fit: contain;
  filter: drop-shadow(0 20px 30px rgba(0,0,0,0.3));
}

/* Buttons */
.btn {
  background: var(--primary-orange);
  color: #fff;
  padding: 12px 28px;
  text-decoration: none;
  display: inline-block;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 16px;
  text-align: center;
}
.btn:hover {
  background: #d97706;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(242,140,0,0.3);
}

/* Container & Grid */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 40px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}

/* Cards for catalog */
.card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.card img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: #fafafa;
  padding: 20px;
}
.card-body {
  padding: 20px;
}
.card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.card-desc {
  font-size: 14px;
  color: #666;
  margin-bottom: 16px;
  line-height: 1.4;
}
.card-body a {
  color: var(--primary-orange);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}
.card-body a:hover {
  text-decoration: underline;
}

/* Advantages block */
.advantages {
  background: #fff;
  border-radius: 24px;
  margin-top: 20px;
}
.advantages h2 {
  text-align: center;
  margin-bottom: 48px;
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}
.adv-item {
  position: relative;
  padding-left: 24px;
}
.adv-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--primary-orange);
  border-radius: 50%;
}
.adv-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.adv-item p {
  color: #555;
  font-size: 14px;
  line-height: 1.5;
}

/* Interactive selector */
.question {
  margin-bottom: 32px;
}
.question p {
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 16px;
}
.option {
  display: inline-block;
  background: #f0f0f0;
  padding: 8px 24px;
  border-radius: 40px;
  margin-right: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: 0.2s;
  font-size: 14px;
  font-weight: 500;
}
.option.active {
  background: var(--primary-dark);
  color: white;
}
.option:hover {
  background: #ddd;
}
#result {
  margin-top: 30px;
  padding: 24px;
  background: #eef2f9;
  border-radius: 16px;
  text-align: center;
}
#result .btn {
  margin-top: 16px;
}

/* Forms */
.lead-form {
  margin-top: 10px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: #333;
}
.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
  transition: 0.2s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary-dark);
  box-shadow: 0 0 0 3px rgba(15,35,86,0.1);
}
.form-group input::placeholder {
  color: #aaa;
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: #fff;
  padding: 40px 20px;
  text-align: center;
  margin-top: 60px;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
  .hero h1 { font-size: 48px; }
  .hero-inner { gap: 20px; }
  header { padding: 20px 40px; }
}
@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 16px 20px;
    text-align: center;
  }
  nav a { margin: 0 12px; }
  .hero-inner {
    flex-direction: column;
    text-align: center;
  }
  .hero h1 { font-size: 36px; }
  .hero img { max-height: 280px; }
  .container { padding: 40px 20px; }
  .advantages-grid { gap: 24px; }
  .grid { gap: 20px; }
  .card img { height: 150px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .btn { padding: 10px 20px; font-size: 14px; }
  .option { padding: 6px 16px; font-size: 13px; }
}