:root {
  color-scheme: light;
  font-family: 'Inter', sans-serif;
  background: #f4f7fb;
  color: #1f2937;
  --surface: #ffffff;
  --surface-strong: #f8fafc;
  --primary: #0d4f8b;
  --primary-soft: #1d77c2;
  --accent: #f48c00;
  --accent-soft: #ffb547;
  --text-muted: #64748b;
  --border: #dbe7f0;
  --shadow: 0 30px 60px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #eef5fc 0%, #f8fafb 48%, #ffffff 100%);
}

.page-shell {
  max-width: 1260px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  padding: 28px 32px;
  border-radius: 32px;
  background: radial-gradient(circle at top left, rgba(21, 101, 192, 0.15), transparent 34%),
    radial-gradient(circle at top right, rgba(249, 115, 22, 0.14), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #edf5fb 100%);
  box-shadow: var(--shadow);
}

.hero-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  align-items: flex-start;
}

.hero-logo {
  display: flex;
  align-items: center;
  gap: 18px;
}

.logo-mark {
  width: 88px;
  height: 88px;
  border-radius: 28px;
  background: linear-gradient(135deg, #0d4f8b, #1d77c2);
  color: #fff;
  font-size: 42px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 18px 36px rgba(13, 79, 139, 0.16);
}

.logo-suptitle,
.logo-subtitle {
  margin: 0;
  color: var(--text-muted);
}

.logo-suptitle {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 8px 0 6px;
  font-size: clamp(2.25rem, 2.15vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-contact-card {
  padding: 20px 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(13, 79, 139, 0.08);
  box-shadow: 0 16px 32px rgba(13, 79, 139, 0.08);
}

.contact-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.06em;
}

.hero-banner {
  margin-top: 34px;
  padding: 28px 28px 24px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  border-radius: 28px;
  background: linear-gradient(135deg, #0d4f8b 0%, #1d77c2 100%);
  color: white;
}

.banner-label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.85;
}

.banner-text {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.86);
  max-width: 520px;
  line-height: 1.7;
}

.banner-chip {
  min-width: 132px;
  text-align: center;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 14px 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

main {
  margin-top: 32px;
}

.card {
  background: var(--surface);
  border-radius: 32px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.form-card {
  padding: 32px;
}

.section-title {
  margin-bottom: 22px;
}

.section-title span {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-title p {
  margin: 10px 0 0;
  color: var(--text-muted);
  line-height: 1.75;
}

.message {
  padding: 18px 20px;
  margin-bottom: 20px;
  border-radius: 18px;
  font-size: 14px;
  line-height: 1.6;
}

.message.success {
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.message.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.message.error ul {
  margin: 0;
  padding-left: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.input-group label {
  font-size: 14px;
  font-weight: 600;
  color: #1f2937;
}

.input-group input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  font-size: 15px;
  color: #0f172a;
  background: #f8fafc;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(13, 79, 139, 0.1);
  background: white;
}

.input-group input::placeholder {
  color: #94a3b8;
}

.span-full {
  grid-column: span 2;
}

.section-divider {
  grid-column: span 2;
  height: 1px;
  background: linear-gradient(90deg, rgba(13, 79, 139, 0), rgba(13, 79, 139, 0.15), rgba(13, 79, 139, 0));
  margin: 4px 0;
}

.section-subtitle {
  grid-column: span 2;
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  padding-top: 4px;
}

.btn-primary,
.btn-secondary {
  border: none;
  border-radius: 14px;
  padding: 14px 22px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
}

.btn-secondary {
  color: var(--primary);
  background: rgba(13, 79, 139, 0.08);
}

@media (max-width: 900px) {
  .hero-top {
    grid-template-columns: 1fr;
  }
  .hero-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .span-full {
    grid-column: span 1;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 18px;
  }
  .hero {
    padding: 24px;
  }
  .hero-banner,
  .hero-contact-card {
    padding: 20px;
  }
  .form-card {
    padding: 24px;
  }
}