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

body {
  background: linear-gradient(135deg, #fef6e4 0%, #ffe8cc 100%);
  color: #2d3142;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.8;
  font-size: 17px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 30px;
}

header {
  margin-bottom: 60px;
  padding-bottom: 30px;
  border-bottom: 2px solid rgba(247, 127, 0, 0.1);
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.back-link {
  display: inline-block;
  color: #f77f00;
  text-decoration: none;
  margin-bottom: 20px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.back-link:hover {
  color: #d16d00;
  transform: translateX(-5px);
}

.back-link::before {
  content: "← ";
}

h1 {
  font-size: 3em;
  margin-bottom: 15px;
  color: #1a1a2e;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.last-updated {
  color: #7d7d8a;
  font-size: 1em;
}

h2 {
  font-size: 2em;
  margin-top: 60px;
  margin-bottom: 25px;
  color: #1a1a2e;
  font-weight: 600;
  position: relative;
  padding-left: 20px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 70%;
  background: linear-gradient(180deg, #f77f00, #fcbf49);
  border-radius: 3px;
}

h3 {
  font-size: 1.5em;
  margin-top: 35px;
  margin-bottom: 20px;
  color: #f77f00;
  font-weight: 600;
}

h4 {
  font-size: 1.2em;
  margin-top: 25px;
  margin-bottom: 15px;
  color: #4a4a5e;
  font-weight: 600;
}

p {
  margin-bottom: 20px;
  color: #4a4a5e;
  line-height: 1.8;
}

ul,
ol {
  margin-left: 30px;
  margin-bottom: 20px;
  color: #4a4a5e;
}

li {
  margin-bottom: 12px;
  line-height: 1.7;
}

strong {
  color: #1a1a2e;
  font-weight: 600;
}

em {
  color: #7d7d8a;
  font-style: italic;
}

code {
  background-color: rgba(247, 127, 0, 0.1);
  padding: 3px 8px;
  border-radius: 5px;
  color: #d16d00;
  font-size: 0.95em;
  font-family: "Courier New", monospace;
}

a {
  color: #f77f00;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

a:hover {
  color: #d16d00;
  text-decoration: underline;
}

.summary-box {
  background: white;
  border-left: 5px solid #f77f00;
  padding: 35px;
  margin: 40px 0;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.summary-box ul {
  list-style: none;
  margin-left: 0;
}

.summary-box li {
  margin-bottom: 15px;
  padding-left: 35px;
  position: relative;
}

.summary-box li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #f77f00;
  font-weight: bold;
  font-size: 1.3em;
}

.summary-box .highlight {
  text-align: center;
  color: #f77f00;
  margin-top: 25px;
  font-weight: 600;
  font-size: 1.1em;
}

.contact-info {
  background: white;
  padding: 35px;
  border-radius: 16px;
  margin: 30px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.contact-info p {
  margin-bottom: 12px;
}

.highlight-box {
  background: linear-gradient(135deg, rgba(247, 127, 0, 0.1), rgba(252, 191, 73, 0.1));
  padding: 30px;
  border-radius: 16px;
  margin: 30px 0;
  border: 1px solid rgba(247, 127, 0, 0.2);
}

footer {
  border-top: 2px solid rgba(247, 127, 0, 0.1);
  margin-top: 80px;
  padding-top: 30px;
  text-align: center;
  color: #7d7d8a;
}

footer p {
  margin: 8px 0;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.2em;
  }

  h2 {
    font-size: 1.6em;
  }

  .container {
    padding: 40px 20px;
  }

  .summary-box,
  .contact-info {
    padding: 25px;
  }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Section styling */
section {
  animation: fadeIn 0.8s ease-out;
}