:root {
  --teal:        #0D7377;
  --teal-dark:   #094f52;
  --teal-light:  #E8F5F5;
  --orange:      #E8722A;
  --orange-dark: #c45e1e;
  --text:        #2F2F2F;
  --muted:       #6b7a7a;
  --rule:        #c8dede;
  --code-bg:     #f0f7f7;
  --code-border: #b0cece;
  --white:       #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Calibri', 'Gill Sans', sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
}

/* ── HEADER ── */
header {
  background: var(--teal-dark);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 3px solid var(--orange);
}

.wordmark {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.03em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── HERO ── */
.hero {
  background: var(--teal-light);
  border-bottom: 1px solid var(--rule);
  padding: 4rem 2rem 3rem;
  text-align: center;
  animation: fadeUp 0.6s ease both;
}

.hero-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.25rem;
  font-family: 'Calibri', sans-serif;
}

.hero h1 {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--teal-dark);
  line-height: 1.2;
  max-width: 700px;
  margin: 0 auto 1.25rem;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 2rem;
  color: var(--muted);
  font-size: 1rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.hero-meta span { display: flex; align-items: center; gap: 0.35rem; }

.pdf-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px dashed var(--code-border);
  padding: 0.3rem 0.85rem;
  border-radius: 2px;
  cursor: default;
  opacity: 0.75;
}

/* ── LAYOUT ── */
.page-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 3.5rem 2rem 5rem;
  animation: fadeUp 0.7s 0.1s ease both;
}

/* ── BEFORE YOU BEGIN BOX ── */
.prereq-box {
  background: var(--teal-light);
  border-left: 4px solid var(--teal);
  border-radius: 0 4px 4px 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.prereq-box h3 {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-style: normal;
}

.prereq-box ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
}

.prereq-box ul li {
  padding-left: 1.2rem;
  position: relative;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.65;
}

.prereq-box ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: bold;
}

.prereq-box .time-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
}

/* ── TYPOGRAPHY ── */
h2 {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--teal-dark);
  margin: 3rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--rule);
}

h2 .part-num {
  display: block;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  font-family: 'Calibri', sans-serif;
  font-weight: normal;
  margin-bottom: 0.2rem;
}

h3 {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--teal);
  margin: 2.25rem 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

h3 .step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--teal);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.72rem;
  font-family: 'Calibri', sans-serif;
  flex-shrink: 0;
  font-style: normal;
}

p { margin-bottom: 1rem; }

ol, ul {
  margin: 0.5rem 0 1.25rem 1.4rem;
}

ol li, ul li {
  margin-bottom: 0.4rem;
  line-height: 1.65;
}

/* ── CODE ── */
pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-left: 4px solid var(--teal);
  border-radius: 0 4px 4px 0;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
  font-size: 0.88rem;
  line-height: 1.6;
}

code {
  font-family: 'Consolas', 'Menlo', 'Courier New', monospace;
  font-size: 0.88em;
}

p code, li code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  color: var(--teal-dark);
}

/* ── NOTE / EXPECTED RESULT ── */
.note {
  background: #fffbf5;
  border-left: 4px solid var(--orange);
  padding: 0.85rem 1.1rem;
  margin: 1rem 0 1.25rem;
  font-size: 0.92rem;
  border-radius: 0 3px 3px 0;
}

.note strong { color: var(--orange-dark); }

.expected {
  background: #f2f8f4;
  border-left: 4px solid #3d8c5a;
  padding: 0.85rem 1.1rem;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
  border-radius: 0 3px 3px 0;
}

.expected strong { color: #2d6e44; }

/* ── WHAT YOU BUILT ── */
.summary-box {
  background: var(--teal-dark);
  color: var(--white);
  border-radius: 4px;
  padding: 2rem 2.25rem;
  margin: 3rem 0 2rem;
}

.summary-box h2 {
  color: var(--white);
  border-bottom-color: rgba(255,255,255,0.2);
  margin-top: 0;
}

.summary-box p { color: rgba(255,255,255,0.85); margin-bottom: 0.75rem; }

/* ── NEXT STEPS ── */
.next-steps h2 { margin-top: 2rem; }

.next-steps ul { list-style: none; padding: 0; margin: 0; }

.next-steps ul li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: flex-start;
  gap: 0.3rem;
}

.next-steps ul li::before {
  content: '→';
  color: var(--orange);
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* ── DIVIDER ── */
hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* ── FOOTER ── */
footer {
  background: var(--teal-dark);
  color: rgba(255,255,255,0.55);
  text-align: center;
  padding: 2rem;
  font-size: 0.82rem;
  border-top: 3px solid var(--orange);
}

footer a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

footer a:hover { color: var(--white); }

footer .footer-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ── COPY BUTTON ── */
.code-wrap {
  position: relative;
  margin: 1rem 0 1.5rem;
}

.code-wrap pre {
  margin: 0;
}

.copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background: var(--white);
  color: var(--teal);
  border: 1px solid var(--code-border);
  border-radius: 3px;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-family: 'Calibri', sans-serif;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
  line-height: 1.6;
}

.code-wrap:hover .copy-btn { opacity: 1; }

.copy-btn.copied {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
  opacity: 1;
}

/* ── ANIMATION ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .hero { padding: 2.5rem 1.25rem 2rem; }
  .page-wrap { padding: 2.5rem 1.25rem 4rem; }
  h2 { font-size: 1.4rem; }
  .footer-inner { justify-content: center; text-align: center; }
}