:root {
  --bg: #f7f9fe;
  --surface: #ffffff;
  --surface-alt: #edf2ff;
  --text: #19213c;
  --muted: #4b5a78;
  --primary: #2f6bff;
  --accent: #19b68f;
  --border: #d6deee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92vw);
  margin-inline: auto;
}

.hero {
  background: linear-gradient(135deg, #4155ca, #2f6bff 60%, #17b691);
  color: #fff;
  padding: 4.2rem 0;
  text-align: center;
}

.kicker {
  margin: 0;
  font-weight: 700;
  opacity: 0.9;
}

h1 {
  margin: 0.5rem 0 0;
  font-size: clamp(2rem, 4.4vw, 3rem);
}

.subtitle {
  max-width: 760px;
  margin: 1rem auto 0;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.btn {
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 10px;
  padding: 0.75rem 1.2rem;
  font-weight: 700;
  font-size: 1rem;
}

.btn-primary {
  background: #fff;
  color: var(--primary);
}

.btn-outline {
  border: 2px solid #fff;
  color: #fff;
  background: transparent;
}

.section {
  padding: 2.8rem 0;
}

.section-alt {
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.price-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.price-card.highlight {
  border-color: var(--primary);
  box-shadow: 0 8px 18px rgba(47, 107, 255, 0.15);
}

.price-card h2 {
  margin-top: 0;
}

.price {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  margin: 0.2rem 0 0.4rem;
}

.calculator {
  text-align: center;
}

.calc-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.calc-row input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.52rem 0.6rem;
  font-size: 1rem;
}

.ranges {
  color: var(--muted);
  margin-top: 0.9rem;
}

.alt-model {
  text-align: center;
}

.alt-model p {
  max-width: 790px;
  margin: 0 auto 1rem;
  color: var(--muted);
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.model-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.mini-price {
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 800;
}

.section-contact {
  text-align: center;
}

.zoom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.zoom-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.zoom-card-highlight {
  border-color: var(--primary);
  box-shadow: 0 8px 18px rgba(47, 107, 255, 0.15);
}

.zoom-card h3 {
  margin-top: 0;
}

.zoom-price {
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0.35rem 0;
}

.contact-row {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.contact-row a {
  text-decoration: none;
  font-weight: 700;
  color: var(--primary);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 13, 27, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.open {
  display: flex;
}

.modal-card {
  background: var(--surface);
  border-radius: 14px;
  max-width: 450px;
  width: 100%;
  padding: 1.2rem;
  border: 2px solid var(--border);
}

@media (max-width: 700px) {
  .hero {
    padding: 3.2rem 0;
  }
}