:root {
  --primary: #0099cc;
  --primary-dark: #0077a6;
  --accent: #00c2c7;
  --bg: #f7fbfd;
  --text: #222;
  --white: #fff;
  --shadow: 0 4px 24px rgba(0, 153, 204, 0.08);
  --highlight: #e6f7ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
header {
  background: linear-gradient(90deg, var(--primary) 60%, var(--accent) 100%);
  color: var(--white);
  padding: 48px 0 32px 0;
  text-align: center;
  box-shadow: var(--shadow);
}
header h1 {
  margin: 0 0 16px 0;
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
header p {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 500;
}
.call-block {
  background: var(--highlight);
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin: 32px auto 24px auto;
  max-width: 500px;
  padding: 24px 18px 18px 18px;
  text-align: center;
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--primary-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.call-block .phone {
  font-size: 1.45rem;
  color: var(--primary);
  font-weight: 700;
  margin: 10px 0 0 0;
  letter-spacing: 0.01em;
  text-decoration: none;
  display: inline-block;
  background: var(--white);
  padding: 8px 18px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,153,204,0.08);
  transition: background 0.2s, color 0.2s;
}
.call-block .phone:hover {
  background: var(--primary);
  color: var(--white);
}
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 16px;
  flex: 1 0 auto;
}
.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  justify-content: center;
  margin-bottom: 40px;
}
.benefit {
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 32px 22px 28px 22px;
  min-width: 0;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  font-size: 1.12rem;
  font-weight: 500;
  transition: transform 0.22s, box-shadow 0.22s;
  position: relative;
  overflow: hidden;
}
.benefit:hover {
  transform: translateY(-8px) scale(1.04);
  box-shadow: 0 12px 36px rgba(0, 153, 204, 0.18);
}
.benefit .benefit-icon {
  font-size: 2.1rem;
  margin-bottom: 12px;
  color: var(--primary);
  display: block;
}
.about {
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 32px 24px 24px 24px;
  margin-bottom: 40px;
  font-size: 1.13rem;
  line-height: 1.6;
}
.cta-section {
  text-align: center;
  margin: 40px 0 32px 0;
}
.cta-btn {
  padding: 18px 38px;
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(90deg, var(--primary) 60%, var(--accent) 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 153, 204, 0.10);
  transition: background 0.2s, transform 0.2s;
  margin-top: 10px;
}
.cta-btn:hover {
  background: linear-gradient(90deg, var(--accent) 60%, var(--primary) 100%);
  transform: scale(1.04);
}
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(0, 153, 204, 0.10);
  align-items: center;
  justify-content: center;
}
.modal.active {
  display: flex;
}
.modal-content {
  background: var(--white);
  padding: 32px 28px 24px 28px;
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0, 153, 204, 0.18);
  text-align: center;
  min-width: 320px;
  max-width: 95vw;
  position: relative;
  animation: popup-in 0.3s;
}
.modal-close {
  position: absolute;
  right: 18px;
  top: 12px;
  font-size: 1.5rem;
  color: var(--primary-dark);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 700;
  transition: color 0.2s;
}
.modal-close:hover {
  color: var(--accent);
}
.form-section h2 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--primary);
}
.form-section form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
}
.form-section form > div {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.form-section label {
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--primary-dark);
  font-size: 1.04rem;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.form-section input[type="text"],
.form-section input[type="tel"],
.form-section input[type="number"] {
  width: 100%;
  padding: 13px 16px;
  border: 1.7px solid #cce6f6;
  border-radius: 9px;
  font-size: 1.07rem;
  background: #fafdff;
  transition: border 0.22s, box-shadow 0.22s;
  outline: none;
  box-shadow: 0 1px 6px rgba(0,153,204,0.04);
}
.form-section input[type="text"]:focus,
.form-section input[type="tel"]:focus,
.form-section input[type="number"]:focus {
  border: 1.7px solid var(--primary);
  box-shadow: 0 2px 12px rgba(0,153,204,0.13);
  background: #f7fbfd;
}
.form-section button[type="submit"] {
  margin-top: 12px;
  width: 100%;
  max-width: 340px;
  padding: 15px 0;
  background: linear-gradient(90deg, var(--primary) 60%, var(--accent) 100%);
  color: var(--white);
  font-size: 1.18rem;
  font-weight: 700;
  border: none;
  border-radius: 11px;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 153, 204, 0.10);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  letter-spacing: 0.01em;
}
.form-section button[type="submit"]:hover,
.form-section button[type="submit"]:focus {
  background: linear-gradient(90deg, var(--accent) 60%, var(--primary) 100%);
  transform: scale(1.03);
  box-shadow: 0 6px 24px rgba(0,153,204,0.16);
}
.popup {
  display: none;
  position: fixed;
  z-index: 1100;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(0, 153, 204, 0.10);
  align-items: center;
  justify-content: center;
}
.popup.active {
  display: flex;
}
.popup-content {
  background: var(--white);
  padding: 32px 28px;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 153, 204, 0.18);
  text-align: center;
  font-size: 1.18rem;
  color: var(--primary-dark);
  font-weight: 600;
  animation: popup-in 0.3s;
}
@keyframes popup-in {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.faq {
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 28px 22px 18px 22px;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.faq h3 {
  color: var(--primary-dark);
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 1.18rem;
}
.faq-item {
  margin-bottom: 16px;
}
.faq-q {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 2px;
}
.faq-a {
  margin-left: 8px;
  color: #444;
}
footer {
  background: var(--primary-dark);
  color: var(--white);
  text-align: center;
  padding: 24px 10px 18px 10px;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  border-radius: 24px 24px 0 0;
  margin-top: auto;
}
.footer-contact {
  margin-bottom: 6px;
}
.footer-contact span {
  display: inline-block;
  margin: 0 10px;
}
@media (max-width: 900px) {
  .benefits {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
  }
  .benefit {
    padding: 22px 8px 18px 8px;
    font-size: 1.01rem;
    min-height: 120px;
  }
}
@media (max-width: 600px) {
  .benefits {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 2vw;
  }
  .benefit {
    padding: 20px 8px 16px 8px;
    font-size: 1.08rem;
    min-height: 110px;
    border-radius: 16px;
    box-shadow: 0 4px 18px rgba(0,153,204,0.13);
    margin: 0 auto;
    width: 80vw;
    max-width: none;
  }
  .benefit .benefit-icon {
    font-size: 2.6rem !important;
    width: 44px;
    height: 44px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .form-section form > div, .form-section button[type="submit"] {
    max-width: 100%;
  }
  .form-section form {
    gap: 14px;
  }
}
@media (max-width: 700px) {
  header h1 { font-size: 1.35rem; }
  header p { font-size: 1.05rem; }
  .container { padding: 20px 6px; }
  .about, .faq { padding: 16px 6px 12px 6px; font-size: 1.01rem; }
  .form-section h2 { font-size: 1.08rem; }
  .popup-content, .modal-content { padding: 22px 10px; font-size: 1.05rem; }
  .call-block { padding: 14px 4px 10px 4px; font-size: 1.01rem; }
  .call-block .phone { font-size: 1.1rem; padding: 6px 10px; }
  .cta-btn { font-size: 1.01rem; padding: 12px 18px; }
  footer { font-size: 0.98rem; padding: 16px 4px 12px 4px; }
}
@media (max-width: 480px) {
  .form-section, .about, .faq { max-width: 100%; }
  .modal-content { min-width: unset; }
}