:root {
  --text: #23212b;
  --soft: #5d5a68;
  --faint: #8e8b99;
  --line: #e7e5ec;
  --bg: #ffffff;
  --bg-soft: #f6f5f9;
  --accent: #5b3fe0;
  --accent-dark: #4a31c4;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 19px/1.65 var(--serif);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }
h1, h2, h3 { font-family: var(--serif); color: var(--text); line-height: 1.2; margin: 0; }
h1 { font-size: clamp(34px, 5.2vw, 50px); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(27px, 3.6vw, 34px); font-weight: 700; margin: 0 0 22px; }
h3 { font-size: 21px; font-weight: 700; margin: 0 0 6px; }
p { margin: 0 0 20px; }
b, strong { font-weight: 700; }

.col { max-width: 700px; margin: 0 auto; padding: 0 20px; }
.wide { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.block { padding: 72px 0; }
.block + .block { border-top: 1px solid var(--line); }
.soft { background: var(--bg-soft); }
.muted { color: var(--soft); }
.small { font-size: 15px; }
.center { text-align: center; }

/* Header */
.top { border-bottom: 1px solid var(--line); font-family: var(--sans); }
.top .wide { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font: 700 18px/1 var(--sans); color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
.brand span { color: var(--accent); }
.top nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.top nav a:not(.btn) { color: var(--soft); text-decoration: none; }
.top nav a:not(.btn):hover { color: var(--text); }
@media (max-width: 600px) { .top nav a.hide-sm { display: none; } }

/* Buttons */
.btn {
  display: inline-block; font: 600 17px/1 var(--sans); text-decoration: none; text-align: center;
  padding: 17px 26px; border-radius: 8px; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-plain { color: var(--text); border-color: #cfcbd9; background: #fff; }
.btn-plain:hover { border-color: var(--text); color: var(--text); }
.btn-sm { font-size: 14px; padding: 10px 14px; }
.btn-block { display: block; width: 100%; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.under { font: 14px/1.5 var(--sans); color: var(--faint); margin-top: 14px; }

/* Hero */
.hero { padding: 64px 0 40px; }
.kicker { font: 600 14px/1.4 var(--sans); color: var(--accent); margin: 0 0 16px; }
.hero h1 { margin-bottom: 22px; }
.hero .intro { font-size: 21px; color: var(--soft); margin-bottom: 30px; }
.shots { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 22px; margin-top: 56px; align-items: start; }
.shots img { border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 1px 2px rgba(0,0,0,.05), 0 12px 30px -12px rgba(30, 20, 70, .25); }
.shots figure { margin: 0; }
.shots figcaption { font: 13px/1.4 var(--sans); color: var(--faint); margin-top: 10px; text-align: center; }
@media (max-width: 700px) { .shots { grid-template-columns: 1fr 1fr; } .shots figure:last-child { display: none; } }

/* Excerpt */
.excerpt { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 4px; padding: 26px 28px; margin: 8px 0 14px; font-size: 17px; }
.excerpt .subj { font: 600 15px/1.5 var(--sans); margin-bottom: 14px; }
.excerpt p { margin-bottom: 14px; }
.excerpt p:last-child { margin: 0; }
.excerpt .ph { background: #efeafe; color: #3d2a9e; padding: 0 3px; border-radius: 3px; font-family: var(--sans); font-size: .9em; }
.cap { font: 14px/1.5 var(--sans); color: var(--faint); }

/* Table of contents */
.toc { list-style: none; padding: 0; margin: 0; font-family: var(--sans); }
.toc li { display: grid; grid-template-columns: 34px 1fr auto; gap: 8px 14px; padding: 16px 0; border-top: 1px solid var(--line); }
.toc li:last-child { border-bottom: 1px solid var(--line); }
.toc .n { color: var(--faint); font-size: 15px; padding-top: 2px; }
.toc .t { font-weight: 600; font-size: 17px; }
.toc .d { display: block; font-weight: 400; color: var(--soft); font-size: 15px; margin-top: 3px; }
.toc .p { color: var(--faint); font-size: 15px; }

/* Page gallery */
.pages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pages a { display: block; }
.pages img { border: 1px solid var(--line); border-radius: 3px; transition: transform .15s ease; }
.pages a:hover img { transform: translateY(-3px); }
.pages span { display: block; font: 13px/1.4 var(--sans); color: var(--faint); margin-top: 8px; }
@media (max-width: 640px) { .pages { grid-template-columns: 1fr 1fr; gap: 14px; } }

/* Lists */
ol.days { padding: 0; margin: 0; list-style: none; counter-reset: d; }
ol.days li { counter-increment: d; padding: 14px 0 14px 78px; position: relative; border-top: 1px solid var(--line); }
ol.days li::before { content: "Day " counter(d); position: absolute; left: 0; top: 16px; font: 600 14px/1.4 var(--sans); color: var(--accent); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.two ul { padding-left: 20px; margin: 0; }
.two li { margin-bottom: 8px; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; gap: 10px; } }

/* Buy box */
.buy { border: 2px solid var(--text); border-radius: 10px; padding: 34px; background: #fff; }
.buy .row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.buy h2 { margin: 0; font-size: 26px; }
.buy .price { font: 700 40px/1 var(--sans); letter-spacing: -0.02em; }
.buy ul { margin: 0 0 26px; padding-left: 22px; }
.buy li { margin-bottom: 6px; }
@media (max-width: 520px) { .buy { padding: 24px 20px; } }

/* FAQ */
.faq h3 { margin-top: 30px; }
.faq h3:first-of-type { margin-top: 0; }
.faq p { color: var(--soft); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 36px 0 50px; font: 14px/1.6 var(--sans); color: var(--faint); }
footer .links { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 14px; }
footer .links a { color: var(--soft); text-decoration: none; }
footer .links a:hover { color: var(--text); }
footer p { margin: 0 0 8px; }
footer a { color: var(--soft); }

/* Legal pages */
.legal { max-width: 720px; margin: 0 auto; padding: 56px 20px 80px; font-size: 18px; }
.legal h1 { font-size: clamp(32px, 5vw, 42px); margin-bottom: 8px; }
.legal h2 { font-size: 22px; margin: 36px 0 10px; }
.legal p, .legal li { color: #3b3946; }
.legal .meta { font: 14px/1.4 var(--sans); color: var(--faint); margin-bottom: 28px; }
.legal .box { background: var(--bg-soft); border-radius: 8px; padding: 18px 22px; margin: 22px 0; }
.legal .box p:last-child { margin: 0; }

/* Thank-you page */
.thanks { max-width: 620px; margin: 0 auto; padding: 90px 20px 100px; text-align: center; }
.thanks h1 { margin-bottom: 18px; }
.thanks p { color: var(--soft); }