:root {
  color-scheme: dark;
  color: #1f2937;
  background: #f8fafc;
  font-family: Inter, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #ffffff 0%, #edf2f7 100%);
  color: #1f2937;
}

button,
a {
  font: inherit;
}

img {
  max-width: 100%;
}

.hero {
  display: grid;
  place-items: center;
  padding: 4rem 1.5rem;
  min-height: 80vh;
  background: radial-gradient(circle at top, rgba(59,130,246,0.15), transparent 42%),
    linear-gradient(180deg, #ffffff 0%, #e2e8f0 100%);
}

.hero-content {
  max-width: 760px;
  text-align: center;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2rem;
  text-decoration: none;
  color: inherit;
}

.site-logo img {
  width: 48px;
  height: 48px;
  display: block;
}

.site-logo span {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: #2563eb;
  font-weight: 700;
  font-size: 0.85rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
}

.hero p {
  max-width: 36rem;
  margin: 1.5rem auto 2rem;
  color: #475569;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.btn-primary {
  background: #2563eb;
  color: white;
}

.btn-secondary {
  background: #e2e8f0;
  color: #1f2937;
}

.section {
  padding: 4rem 1.5rem;
}

.section--light {
  background: #f8fafc;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 2rem;
}

.card {
  padding: 1.75rem;
  border-radius: 24px;
  background: white;
  border: 1px solid #e2e8f0;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.05);
}

.card h3 {
  margin-top: 0;
}

.about-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.6fr 1fr;
  align-items: center;
}

.feature-box {
  padding: 2rem;
  border-radius: 24px;
  background: #2563eb;
  color: white;
  box-shadow: 0 24px 48px rgba(37, 99, 235, 0.15);
}

.feature-box p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.75;
}

.contact-section {
  background: linear-gradient(180deg, #2563eb 0%, #1e40af 100%);
  color: white;
}

.contact-card {
  text-align: left;
  padding: 3rem 2rem;
  border-radius: 32px;
  background: rgba(255,255,255,0.08);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
}

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

.contact-intro {
  margin-bottom: 2rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-field {
  display: grid;
  gap: 0.5rem;
}

.form-field label {
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.24);
  background: rgba(255,255,255,0.12);
  color: white;
  outline: none;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(255,255,255,0.72);
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: rgba(255,255,255,0.9);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.16);
}

.contact-message {
  padding: 1rem 1.2rem;
  border-radius: 20px;
  font-weight: 600;
  margin-top: 0.5rem;
}

.contact-message.success {
  background: rgba(16,185,129,0.16);
  color: #a7f3d0;
  border: 1px solid #10b981;
}

.contact-message.error {
  background: rgba(239,68,68,0.12);
  color: #fecaca;
  border: 1px solid #f87171;
}

.hidden {
  display: none;
}

.footer {
  padding: 1.5rem;
  text-align: center;
  color: #64748b;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}