@font-face { font-family: "Switzer"; src: url("/fonts/switzer-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("/fonts/switzer-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("/fonts/switzer-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --bg: #121110;
  --bg-2: #181715;
  --surface: #1d1c1a;
  --line: #2b2926;
  --text: #f3efe8;
  --muted: #a39f97;
  --faint: #77736c;
  --accent: #ff0051;
  --accent-hover: #e6004a;
  --radius: 14px;
  --wrap: 1120px;
  --font: "Switzer", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(36px, 5vw, 54px); line-height: 1.06; }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.12; }
h3 { font-size: 19px; line-height: 1.3; }
p { margin: 0 0 14px; }
.muted { color: var(--muted); }
.label { font-size: 13px; color: var(--muted); margin: 0 0 18px; }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: 500 16px/1 var(--font);
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: background-color .2s ease;
}
.btn:hover { background: var(--accent-hover); }
.btn:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.btn-ghost {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px;
  border-radius: 999px; border: 1px solid var(--line); color: var(--text);
  font: 500 14px/1 var(--font); text-decoration: none;
  transition: border-color .2s ease;
}
.btn-ghost:hover { border-color: var(--muted); }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: rgba(18, 17, 16, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s ease; }
.top.scrolled { border-bottom-color: var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; text-decoration: none; letter-spacing: -0.01em; }
.brand svg { width: 26px; height: 26px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a.link { font-size: 14px; color: var(--muted); text-decoration: none; transition: color .2s ease; }
.nav a.link:hover { color: var(--text); }

/* hero */
.hero { padding: 72px 0 96px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero h1 { margin-bottom: 22px; max-width: 12.5em; }
.hero .sub { font-size: 19px; color: var(--muted); max-width: 31em; margin-bottom: 32px; }
.hero .cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.hero .facts { font-size: 14px; color: var(--muted); }
.hero .facts span + span::before { content: "·"; margin: 0 8px; color: var(--faint); }

/* product stack (real PDF pages) */
.stack { position: relative; height: 560px; }
.stack img {
  position: absolute;
  width: 62%;
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55), 0 2px 6px rgba(0, 0, 0, .35);
}
.stack .p3 { right: 0; top: 70px; transform: rotate(5deg); }
.stack .p2 { right: 16%; top: 36px; transform: rotate(-1.5deg); }
.stack .p1 { left: 0; top: 0; transform: rotate(-5deg); border: 1px solid #2a2a2a; }

/* sections */
.sec { padding: 104px 0; border-top: 1px solid var(--line); }
.sec-head { max-width: 640px; margin-bottom: 52px; }
.sec-head p { color: var(--muted); font-size: 18px; margin-top: 16px; }

/* problem */
.problem .wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
.problem.no-img .wrap { grid-template-columns: 1fr; max-width: 760px; }
.photo { border-radius: var(--radius); overflow: hidden; background: var(--surface); aspect-ratio: 4 / 5; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.problem .copy p { color: var(--muted); font-size: 18px; }
.problem .copy p strong { color: var(--text); font-weight: 500; }
.problem .copy h2 { margin-bottom: 24px; }
.source { font-size: 13px; color: var(--faint); margin-top: 22px; }

/* ladder */
.ladder { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.rung { padding: 28px 28px 8px 0; border-right: 1px solid var(--line); }
.rung + .rung { padding-left: 28px; }
.rung:last-child { border-right: 0; }
.rung .lvl { font-size: 14px; color: var(--muted); margin: 0 0 18px; }
.rung h3 { margin-bottom: 10px; }
.rung p { color: var(--muted); font-size: 15px; }

/* paths */
.paths { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.path { display: flex; flex-direction: column; }
.path .photo { margin-bottom: 18px; }
.path h3 { margin-bottom: 8px; }
.path p { color: var(--muted); font-size: 15px; }
.path .who { font-size: 13px; color: var(--faint); margin-top: auto; padding-top: 6px; }
.paths.no-img .path { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }

/* inside */
.inside .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.chapters { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.chapters li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.chapters .n { color: var(--faint); font-size: 15px; padding-top: 1px; }
.chapters strong { display: block; font-weight: 500; font-size: 17px; margin-bottom: 3px; }
.chapters span { color: var(--muted); font-size: 15px; }
.previews { position: sticky; top: 100px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.previews figure { margin: 0; }
.previews img { border-radius: 6px; box-shadow: 0 18px 44px rgba(0, 0, 0, .5); }
.previews figcaption { font-size: 13px; color: var(--faint); margin-top: 10px; }

/* fit */
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.fit-col { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.fit-col h3 { margin-bottom: 18px; }
.fit-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.fit-col li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 16px; color: var(--muted); }
.fit-col li svg { margin-top: 4px; }

/* offer */
.offer { max-width: 560px; margin: 0 auto; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 40px; }
.offer-top { display: grid; grid-template-columns: 96px 1fr; gap: 20px; align-items: center; padding-bottom: 26px; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.offer-top img { border-radius: 4px; box-shadow: 0 10px 24px rgba(0, 0, 0, .5); }
.offer-top h3 { font-size: 22px; margin-bottom: 4px; }
.offer-top p { margin: 0; color: var(--muted); font-size: 15px; }
.got { list-style: none; margin: 0 0 30px; padding: 0; display: grid; gap: 12px; }
.got li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 16px; }
.got li svg { margin-top: 4px; }
.price-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.price { font-size: 44px; font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.price-note { font-size: 14px; color: var(--muted); text-align: right; }
.offer .btn { width: 100%; }
.secure { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; color: var(--faint); margin-top: 16px; text-align: center; }

/* faq */
.faq { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; padding: 22px 0; font-size: 18px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 22px; line-height: 1; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 22px; margin: 0; max-width: 640px; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 48px 0 64px; font-size: 13px; color: var(--faint); }
.foot p { max-width: 860px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 22px 0; }
.foot nav a { color: var(--muted); text-decoration: none; }
.foot nav a:hover { color: var(--text); }

/* motion: fade only */
@media (prefers-reduced-motion: no-preference) {
  .fade { opacity: 0; transition: opacity .3s ease; }
  .fade.in { opacity: 1; }
}

/* mobile bar */
.mbar { display: none; }

@media (max-width: 960px) {
  .hero .wrap, .problem .wrap, .inside .wrap { grid-template-columns: 1fr; gap: 48px; }
  .stack { height: 430px; max-width: 460px; margin: 0 auto; width: 100%; }
  .ladder { grid-template-columns: 1fr 1fr; }
  .rung:nth-child(2) { border-right: 0; }
  .rung:nth-child(3) { padding-left: 0; }
  .rung:nth-child(n+3) { border-top: 1px solid var(--line); }
  .paths { grid-template-columns: 1fr 1fr; }
  .previews { position: static; }
  .fit { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav a.link { display: none; }
  .hero { padding: 40px 0 72px; }
  .hero .sub { font-size: 17px; }
  .hero .btn { width: 100%; }
  .stack { height: 340px; }
  .sec { padding: 72px 0; }
  .sec-head { margin-bottom: 36px; }
  .ladder { grid-template-columns: 1fr; }
  .rung, .rung + .rung { padding: 22px 0 6px; border-right: 0; border-top: 1px solid var(--line); }
  .rung:first-child { border-top: 0; }
  .paths { grid-template-columns: 1fr; gap: 36px; }
  .previews { grid-template-columns: 1fr 1fr; gap: 10px; }
  .offer { padding: 28px 22px; }
  .price { font-size: 38px; }
  .faq summary { font-size: 16px; }
  .mbar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    align-items: center; justify-content: space-between; gap: 12px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(18, 17, 16, .96); border-top: 1px solid var(--line);
    transform: translateY(100%); transition: transform .25s ease;
  }
  .mbar.show { transform: none; }
  .mbar .mp { font-size: 15px; }
  .mbar .mp small { display: block; color: var(--muted); font-size: 12px; }
  .mbar .btn { min-height: 46px; padding: 0 20px; font-size: 15px; }
  .foot { padding-bottom: 110px; }
}