:root {
  --primary: #004aad;
  --primary-dark: #002b5b;
  --secondary: #00a6d6;
  --accent: #ffb703;
  --text: #1f2937;
  --muted: #667085;
  --border: #d9e3f0;
  --card: #ffffff;
  --light: #f5f8ff;
  --success: #027a48;
  --error: #b42318;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(0,166,214,0.16), transparent 32%),
    linear-gradient(135deg, #eef5ff 0%, #ffffff 55%, #f4fbff 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(217, 227, 240, 0.75);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 52px;
  height: 52px;
}

.brand-name {
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 25px;
  letter-spacing: -0.03em;
}

.header-badge {
  color: var(--primary);
  background: #eaf3ff;
  border: 1px solid #cfe3ff;
  padding: 10px 15px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.hero-section {
  padding: 60px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  color: var(--primary);
  background: #eaf3ff;
  border: 1px solid #cfe3ff;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.05em;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 540px;
}

.feature-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 650;
}

.feature-item span {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.form-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(217, 227, 240, 0.9);
  border-radius: 28px;
  padding: 34px;
  box-shadow: 0 28px 70px rgba(0, 43, 91, 0.14);
}

.form-header {
  margin-bottom: 28px;
}

.form-header h2 {
  font-size: 30px;
  color: var(--primary-dark);
  letter-spacing: -0.03em;
}

.form-header p {
  color: var(--muted);
  margin-top: 8px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 19px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

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

label {
  margin-bottom: 8px;
  color: #344054;
  font-size: 14px;
  font-weight: 750;
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #ffffff;
  padding: 14px 15px;
  font-size: 15px;
  color: var(--text);
  outline: none;
  transition: 0.25s ease;
}

input:focus,
select:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(0, 166, 214, 0.13);
}

input[type="file"] {
  background: var(--light);
  cursor: pointer;
}

small {
  color: var(--muted);
  margin-top: 7px;
  font-size: 12px;
}

.captcha-section {
  background: linear-gradient(135deg, #f6faff, #eef6ff);
  border: 1px dashed #9bbce0;
  border-radius: 18px;
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: end;
}

.captcha-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.captcha-code {
  min-width: 155px;
  padding: 14px 18px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--primary-dark);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 5px;
  text-align: center;
  user-select: none;
}

.refresh-btn {
  border: none;
  background: var(--primary-dark);
  color: #fff;
  border-radius: 12px;
  width: 48px;
  height: 48px;
  font-size: 22px;
  cursor: pointer;
  transition: 0.25s ease;
}

.refresh-btn:hover {
  transform: rotate(25deg);
  background: var(--primary);
}

.form-message {
  display: none;
  padding: 13px 15px;
  border-radius: 14px;
  font-weight: 700;
}

.form-message.success {
  display: block;
  color: var(--success);
  background: #ecfdf3;
  border: 1px solid #abefc6;
}

.form-message.error {
  display: block;
  color: var(--error);
  background: #fef3f2;
  border: 1px solid #fecdca;
}

.submit-btn {
  border: none;
  border-radius: 16px;
  padding: 16px 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  font-size: 17px;
  font-weight: 850;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(0, 74, 173, 0.24);
  transition: 0.25s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0, 74, 173, 0.32);
}

.site-footer {
  background: var(--primary-dark);
  color: #d8e6f7;
  padding-top: 38px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 30px;
}

.site-footer h3,
.site-footer h4 {
  color: #fff;
  margin-bottom: 10px;
}

.site-footer p {
  line-height: 1.8;
  font-size: 14px;
}

.site-footer a {
  color: #d8e6f7;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.13);
  padding: 16px;
  font-size: 14px;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    text-align: center;
  }

  .hero-content p {
    margin: 0 auto;
  }

  .feature-list {
    max-width: 430px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 680px) {
  .header-inner {
    height: auto;
    padding: 14px 0;
    gap: 14px;
    flex-direction: column;
  }

  .header-badge {
    font-size: 13px;
  }

  .hero-section {
    padding: 36px 0;
  }

  .form-card {
    padding: 24px;
    border-radius: 22px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .captcha-section {
    grid-template-columns: 1fr;
  }

  .captcha-row {
    align-items: stretch;
  }

  .captcha-code {
    flex: 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}