:root {
  --ink: #153d43;
  --teal: #0d626c;
  --teal-dark: #073f49;
  --gold: #bd873f;
  --orange: #e99a3d;
  --paper: #fffaf0;
  --paper-deep: #f4e5c8;
  --muted: #657879;
  --shadow: 0 24px 70px rgba(77, 51, 20, .13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(235, 163, 65, .16), transparent 26rem),
    radial-gradient(circle at 92% 24%, rgba(33, 132, 142, .11), transparent 28rem),
    linear-gradient(180deg, #fffaf0 0%, #f8efd9 62%, #f1e1c3 100%);
  font-family: "Manrope", "Segoe UI", sans-serif;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .2;
  background-image: url("data:image/svg+xml,%3Csvg width='90' height='90' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.13'/%3E%3C/svg%3E");
}
a { color: inherit; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 20; padding: 10px 14px; background: #fff; }
.skip-link:focus { top: 12px; }
.download-shell { position: relative; z-index: 1; width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding-bottom: 54px; }
.download-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(189, 135, 63, .25);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-family: Georgia, serif; }
.brand img { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--gold); box-shadow: 0 5px 16px rgba(80, 54, 23, .15); }
.brand span { font-size: 17px; letter-spacing: .04em; }
.back-link { text-decoration: none; font-size: 13px; font-weight: 700; color: var(--teal); }
.back-link:hover { text-decoration: underline; }
.download-hero { text-align: center; padding: 74px 16px 44px; }
.eyebrow { margin: 0 0 13px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; }
h1 { max-width: 780px; margin: 0 auto; font-size: clamp(42px, 7vw, 76px); line-height: .98; color: var(--teal-dark); }
.lead { max-width: 680px; margin: 24px auto 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.ornament { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 30px auto 0; color: var(--gold); }
.ornament::before, .ornament::after { content: ""; width: min(120px, 22vw); height: 1px; background: linear-gradient(90deg, transparent, currentColor); }
.ornament::after { transform: scaleX(-1); }
.download-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 20px; }
.download-card {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 38px;
  text-align: center;
  border: 1px solid rgba(189, 135, 63, .42);
  border-radius: 28px 8px 28px 8px;
  background: rgba(255, 253, 247, .86);
  box-shadow: var(--shadow);
}
.download-card::before { content: ""; position: absolute; inset: 9px; pointer-events: none; border: 1px solid rgba(189, 135, 63, .16); border-radius: 22px 5px; }
.disk-icon { width: 84px; height: 84px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 24px; background: #fff; box-shadow: 0 12px 36px rgba(41, 62, 62, .12); }
.disk-icon svg { width: 55px; height: 55px; }
.download-card h2 { margin: 0; font-size: 30px; color: var(--teal-dark); }
.download-card p { max-width: 400px; margin: 13px 0 0; color: var(--muted); line-height: 1.65; }
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin: 22px 0; }
.card-meta span { padding: 7px 10px; border: 1px solid rgba(13, 98, 108, .15); border-radius: 999px; color: var(--teal); background: rgba(13, 98, 108, .055); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.download-button {
  width: min(100%, 260px);
  margin-top: auto;
  padding: 14px 20px;
  border: 1px solid rgba(189, 135, 63, .65);
  border-radius: 4px 18px 4px 18px;
  color: #fff7e8;
  background: linear-gradient(180deg, #197681, #07515c);
  font-weight: 800;
  text-decoration: none;
  box-shadow: inset 0 0 0 3px rgba(255, 243, 206, .12);
}
.download-button[aria-disabled="true"] { cursor: not-allowed; opacity: .64; filter: saturate(.6); }
.download-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  max-width: 820px;
  margin: 34px auto 0;
  padding: 22px 24px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 250, 238, .78);
  box-shadow: 0 12px 36px rgba(77, 51, 20, .08);
}
.download-note svg { width: 26px; color: var(--orange); }
.download-note strong { display: block; margin-bottom: 6px; }
.download-note p { margin: 0; color: var(--muted); line-height: 1.55; }
.requirements {
  margin-top: 70px;
  padding-top: 8px;
}
.requirements-heading {
  max-width: 700px;
  margin: 0 auto 30px;
  text-align: center;
}
.requirements-heading .eyebrow { margin-bottom: 10px; }
.requirements-heading h2 {
  margin: 0;
  color: var(--teal-dark);
  font-size: clamp(32px, 5vw, 46px);
}
.requirements-heading p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.65;
}
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.requirement-card {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border: 1px solid rgba(189, 135, 63, .32);
  border-radius: 8px 26px 8px 26px;
  background: rgba(255, 253, 247, .82);
  box-shadow: 0 18px 46px rgba(77, 51, 20, .09);
}
.requirement-card.recommended {
  border-color: rgba(13, 98, 108, .38);
  background:
    radial-gradient(circle at 100% 0, rgba(20, 124, 135, .10), transparent 38%),
    rgba(255, 253, 247, .9);
}
.requirement-card::before {
  content: "";
  position: absolute;
  inset: 7px;
  pointer-events: none;
  border: 1px solid rgba(189, 135, 63, .11);
  border-radius: 5px 20px;
}
.requirement-title {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(189, 135, 63, .21);
}
.requirement-title h3 {
  margin: 0;
  color: var(--teal-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  font-weight: 500;
}
.requirement-title span {
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid rgba(189, 135, 63, .28);
  border-radius: 999px;
  color: #9b6627;
  background: rgba(229, 159, 61, .08);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.recommended .requirement-title span {
  border-color: rgba(13, 98, 108, .24);
  color: var(--teal);
  background: rgba(13, 98, 108, .07);
}
.requirement-list {
  position: relative;
  display: grid;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.requirement-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 13px;
  align-items: center;
  min-height: 58px;
  padding: 8px 0;
}
.requirement-list li + li {
  border-top: 1px solid rgba(21, 61, 67, .07);
}
.requirement-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(13, 98, 108, .16);
  border-radius: 12px 4px 12px 4px;
  color: var(--teal);
  background: rgba(13, 98, 108, .055);
}
.requirement-icon svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.requirement-value small {
  display: block;
  margin-bottom: 3px;
  color: #a17035;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.requirement-value strong {
  display: block;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
}
.requirements-footnote {
  max-width: 850px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
  text-align: center;
}
.steps { margin-top: 64px; padding-top: 44px; border-top: 1px solid rgba(189, 135, 63, .27); }
.steps h2 { margin: 0 0 24px; text-align: center; font-size: 34px; color: var(--teal-dark); }
.steps ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { min-height: 150px; padding: 24px; background: rgba(255, 253, 247, .64); border: 1px solid rgba(189, 135, 63, .22); }
.steps b { display: grid; place-items: center; width: 31px; height: 31px; margin-bottom: 14px; color: #fff; background: var(--teal); border-radius: 50%; font-size: 13px; }
.steps strong { display: block; margin-bottom: 7px; font-family: Georgia, serif; font-size: 19px; }
.steps span { color: var(--muted); font-size: 13px; line-height: 1.55; }
.referral {
  margin-top: 64px;
  padding: 36px 28px 32px;
  text-align: center;
  background: rgba(255, 253, 247, .64);
  border: 1px solid rgba(189, 135, 63, .22);
}
.referral h2 { margin: 0 0 10px; font-size: 34px; color: var(--teal-dark); }
.referral > p { max-width: 540px; margin: 0 auto 22px; color: var(--muted); font-size: 15px; line-height: 1.55; }
.referral-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px;
}
.referral-box code {
  display: block;
  max-width: 100%;
  padding: 12px 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, .78);
  border: 1px solid rgba(189, 135, 63, .28);
  font-family: Consolas, "Courier New", monospace;
  font-size: 15px;
  line-height: 1.45;
  word-break: break-all;
  user-select: all;
}
.referral-copy {
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 4px;
  color: #fff;
  background: var(--teal);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.referral-copy:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.download-footer { margin-top: 50px; padding-top: 25px; text-align: center; color: var(--muted); border-top: 1px solid rgba(189, 135, 63, .22); font-size: 12px; }
@media (max-width: 760px) {
  .download-shell { width: min(100% - 20px, 620px); }
  .download-header { min-height: 70px; }
  .brand span { display: none; }
  .download-hero { padding: 54px 8px 32px; }
  .download-grid, .requirements-grid, .steps ol { grid-template-columns: 1fr; }
  .referral { padding: 28px 18px 24px; }
  .referral h2 { font-size: 28px; }
  .download-card { min-height: 350px; padding: 30px 22px; }
  .download-note { margin-left: 4px; margin-right: 4px; }
  .requirement-card { padding: 25px 21px; }
  .requirement-title { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}