:root {
  color-scheme: light;
  --brand: #0078d4;
  --brand-dark: #005499;
  --bg: #f5f7fb;
  --text: #1b1f23;
  --card: #ffffff;
  --border: #dfe3ec;
}

* {
  box-sizing: border-box;
}

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

header {
  padding: 5px 24px 60px;
  text-align: center;
  background: radial-gradient(circle at top, #e7f2ff, var(--bg));
}

header h1 {
  margin-bottom: 16px;
  font-size: clamp(2.2rem, 5vw, 3.25rem);
}

header p {
  margin: 0 auto 32px;
  max-width: 840px;
  font-size: 1.1rem;
  color: #3d4451;
}

main {
  max-width: 1200px;
  margin: -60px auto 0;
  padding: 0 24px 120px;
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.cta a {
  padding: 12px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid transparent;
  align-self: center;
}

.cta a.primary {
  background: var(--brand);
  color: white;
}

.cta a.secondary {
  border-color: var(--brand);
  color: var(--brand);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 30px;
  margin-left: 36px;
  margin-right: 36px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 15px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(16, 24, 40, 0.08);
}

.cards .card {
  border: 1.5px solid var(--brand);
  box-shadow: none;
  padding: 10px 10px 0px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.cards .card:hover {
  box-shadow: 0 0 20px var(--brand);
}

.cards .card p {
  font-size: 0.9rem;
  margin-top: 5px;
}

.card h3 {
  margin-top: 10px;
  margin-bottom: 0px;
}

.demo-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.demo-panel img {
  width: 100%;
  max-width: 380px;
  justify-self: center;
}

footer {
  padding: 40px 24px;
  text-align: center;
  background: white;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
}

code {
  background: #f1f3f8;
  padding: 2px 6px;
  border-radius: 6px;
}

.hero-form {
  margin: 32px auto 32px;
  max-width: 720px;
  background: white;
  padding: 0px 24px 12px;
  border-radius: 16px;
  border: 1.5px solid var(--brand);
  box-shadow: none;
}

.hero-form .form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.hero-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  color: #4b5563;
  text-align: left;
}

.hero-form label.full-width {
  grid-column: 1 / -1;
}

.hero-form input {
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
}

.hero-form textarea {
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  resize: vertical;
}

.hero-form button {
  margin-top: 18px;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.hero-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  min-height: 1.4em;
  font-size: 0.9rem;
  color: #1d4ed8;
  text-align: center;
  margin-top: 8px;
}

.icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}


.voice-icon,
.calendar-check-icon,
.electrical-services-icon,
.network-intelligence-icon,
.language-icon {
  width: 35px;
  height: 35px;
  align-items: center;
  place-items: center;
}