:root {
  --primary-blue: #0b2f5b;
  --secondary-blue: #154f8f;
  --accent-orange: #f28c28;
  --light-bg: #f5f8fc;
  --white: #ffffff;
  --text-dark: #1f2937;
  --text-muted: #6b7280;
  --border-soft: #dbe5f1;
  --success-green: #0f766e;
  --warning-red: #b91c1c;
}

* {
  box-sizing: border-box;
}

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

.header {
  background: var(--white);
  border-bottom: 1px solid var(--border-soft);
  padding: 18px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.brand-text h1 {
  font-size: 20px;
  margin: 0;
  color: var(--primary-blue);
}

.brand-text p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

.nav a {
  color: var(--primary-blue);
  text-decoration: none;
  margin-left: 22px;
  font-weight: bold;
  font-size: 14px;
}

.hero {
  margin: 30px auto;
  max-width: 1180px;
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
  color: var(--white);
  border-radius: 28px;
  padding: 58px 54px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: rgba(242, 140, 40, 0.24);
  border-radius: 50%;
}

.hero h2 {
  font-size: 42px;
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 760px;
}

.hero p {
  font-size: 18px;
  max-width: 720px;
  margin-bottom: 28px;
}

.button-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: bold;
}

.btn-primary {
  background: var(--accent-orange);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-blue);
}

.container {
  max-width: 1180px;
  margin: 0 auto 40px;
  padding: 0 20px;
}

.section-title {
  color: var(--primary-blue);
  font-size: 28px;
  margin: 34px 0 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 10px 28px rgba(11, 47, 91, 0.06);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(21, 79, 143, 0.1);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
}

.card h3 {
  margin: 0 0 8px;
  color: var(--primary-blue);
  font-size: 17px;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.two-column {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
}

.guideline-list {
  margin: 0;
  padding-left: 20px;
}

.guideline-list li {
  margin-bottom: 10px;
}

.notice {
  border-left: 6px solid var(--accent-orange);
}

.video-placeholder {
  background: #0f172a;
  color: var(--white);
  border-radius: 20px;
  padding: 42px;
  text-align: center;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.video-placeholder h3 {
  margin: 0 0 8px;
  font-size: 28px;
}

.form-preview {
  background: var(--white);
  border: 1px dashed var(--secondary-blue);
  border-radius: 18px;
  padding: 20px;
}

.form-preview label {
  display: block;
  margin-bottom: 10px;
}

.report-box {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 20px;
  padding: 24px;
}

.report-box strong {
  color: var(--accent-orange);
}

.footer {
  background: var(--primary-blue);
  color: var(--white);
  padding: 24px 40px;
  text-align: center;
  font-size: 14px;
}

@media (max-width: 980px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .header {
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }

  .nav a {
    margin-left: 0;
    margin-right: 14px;
  }

  .hero h2 {
    font-size: 32px;
  }
}

@media (max-width: 560px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 36px 28px;
  }
}

.brand-logo {
  width: 190px;
  height: auto;
  display: block;
}

@media (max-width: 560px) {
  .brand-logo {
    width: 150px;
  }
}

.training-block p {
  margin-top: 0;
  margin-bottom: 14px;
}

.red-flags li {
  margin-bottom: 12px;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.example-card h3 {
  color: var(--primary-blue);
  margin-top: 0;
}

.example-card p {
  color: var(--text-muted);
  font-size: 14px;
}

.incident-box {
  border-left: 6px solid var(--warning-red);
}

.incident-box h3 {
  color: var(--warning-red);
  margin-top: 0;
}

@media (max-width: 980px) {
  .example-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .example-grid {
    grid-template-columns: 1fr;
  }
}

.reminder-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.reminder-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.reminder-icon {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 16px;
  background: #fff7ed;
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.reminder-header h3 {
  margin-bottom: 6px;
}

.reminder-header p {
  margin: 0;
  color: var(--text-muted);
}

.reminder-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.do-box,
.dont-box {
  border-radius: 16px;
  padding: 16px;
}

.do-box {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.dont-box {
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.do-box h4,
.dont-box h4 {
  margin: 0 0 8px;
  color: var(--primary-blue);
}

.do-box ul,
.dont-box ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-dark);
  font-size: 14px;
}

.do-box li,
.dont-box li {
  margin-bottom: 6px;
}

@media (max-width: 560px) {
  .reminder-actions {
    grid-template-columns: 1fr;
  }
}

.video-player-box {
  padding: 24px;
}

.training-video {
  width: 100%;
  max-height: 420px;
  border-radius: 18px;
  margin: 16px 0;
  background: #000;
  box-shadow: 0 18px 40px rgba(0, 35, 75, 0.18);
}