/* buy-litecoin — pastel gradient system */

:root {
  --bg: #fbfbfe;
  --ink: #1a1a2e;
  --muted: #6e6e87;
  --accent: #6b4eff;
  --accent2: #10b981;
  --card: #ffffff;
  --soft: #f5f5fb;
  --line: #ecebf6;
  --r: 22px;
  --r-lg: 28px;
  --shadow: 0 22px 60px -28px rgba(26, 26, 46, .30);
  --shadow-sm: 0 10px 30px -18px rgba(26, 26, 46, .35);
  --sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "DM Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(760px 620px at 8% -6%, rgba(124, 92, 255, .10), transparent 62%),
    radial-gradient(820px 640px at 100% 4%, rgba(16, 185, 129, .10), transparent 60%),
    radial-gradient(700px 700px at 82% 78%, rgba(124, 92, 255, .07), transparent 62%);
  background-attachment: fixed;
  color: var(--ink);
  font: 400 17px/1.68 var(--sans);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); }

h1, h2, h3, h4 { font-weight: 800; letter-spacing: -.02em; line-height: 1.14; margin: 0 0 14px; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.35rem); font-weight: 800; }
h2 { font-size: clamp(1.55rem, 3.1vw, 2.2rem); }
h3 { font-size: 1.12rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; margin-left: auto; margin-right: auto; }
.mono { font-family: var(--mono); font-size: .94em; }
.muted { color: var(--muted); }

/* ---------- header ---------- */

.top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 251, 254, .78);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
}
.top .wrap { display: flex; align-items: center; gap: 18px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.02rem; color: var(--ink); text-decoration: none; letter-spacing: -.02em; white-space: nowrap; }
.brand img { width: 32px; height: 32px; }
.top nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.top nav a {
  color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 600;
  padding: 8px 12px; border-radius: 999px;
}
.top nav a:hover { color: var(--ink); background: rgba(107, 78, 255, .08); }

/* ---------- hero ---------- */

.hero { padding: 54px 0 10px; text-align: center; }
.hero p.sub {
  max-width: 620px; margin: 0 auto; color: var(--muted); font-size: 1.1rem;
}
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}

/* ---------- converter ---------- */

.conv {
  background: var(--card);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 26px);
  margin: 30px auto 0;
  max-width: 660px;
  text-align: left;
}
.tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  background: var(--soft); border-radius: 999px; padding: 4px; margin-bottom: 18px;
}
.tabs button {
  border: 0; background: transparent; cursor: pointer;
  font: 700 .96rem var(--sans); color: var(--muted);
  padding: 11px 10px; border-radius: 999px; transition: .18s;
}
.tabs button[aria-selected="true"] {
  background: #fff; color: var(--ink); box-shadow: var(--shadow-sm);
}
.fields { display: grid; grid-template-columns: 1fr 46px 1fr; gap: 10px; align-items: center; }
.f { background: var(--soft); border-radius: 18px; padding: 12px 14px; min-width: 0; }
.f .lbl { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.f .row { display: flex; align-items: center; gap: 8px; margin-top: 6px; min-width: 0; }
.f input {
  flex: 1 1 auto; min-width: 0; width: 100%; border: 0; background: transparent;
  font: 500 1.34rem/1.3 var(--mono); color: var(--ink); padding: 0;
}
.f input:focus { outline: none; }
.f input[readonly] { color: var(--accent); }
.f select {
  flex: 0 0 auto; border: 0; background: #fff; border-radius: 12px;
  padding: 9px 10px; font: 700 .9rem var(--sans); color: var(--ink);
  box-shadow: var(--shadow-sm); cursor: pointer;
}
#flip {
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-size: 1.1rem; line-height: 1; display: grid; place-items: center;
  box-shadow: 0 8px 20px -8px rgba(107, 78, 255, .7);
}
.meta {
  display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 16px 2px 0;
  font-family: var(--mono); font-size: .86rem; color: var(--muted);
}
.cta {
  display: block; text-align: center; margin-top: 18px; padding: 17px 20px;
  border-radius: 16px; text-decoration: none; color: #fff; font-weight: 800; font-size: 1.04rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 16px 34px -16px rgba(107, 78, 255, .8);
}
.cta:hover { filter: brightness(1.05); }
.fine { margin: 12px 2px 0; font-size: .82rem; color: var(--muted); text-align: center; }

/* ---------- sections ---------- */

main section { scroll-margin-top: 90px; }
.card {
  background: var(--card);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 48px);
  margin: 26px 0;
}
.card > p, .card > ul, .card > ol { max-width: 68ch; }
.kicker { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent2); margin-bottom: 10px; }
.drop::first-letter {
  float: left; font-size: 3.4rem; line-height: .86; font-weight: 800;
  padding: 4px 12px 0 0; color: var(--accent);
}

/* number tiles */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.tile { background: var(--soft); border-radius: var(--r); padding: 24px 22px; min-width: 0; }
.tile .num {
  font: 800 2.5rem/1 var(--mono); letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 12px;
}
.tile h3 { margin-bottom: 8px; }
.tile p { font-size: .96rem; color: var(--muted); }

/* timeline / steps */
ol.tl { list-style: none; counter-reset: s; margin: 26px 0 0; padding: 0; max-width: 100%; }
ol.tl li { counter-increment: s; position: relative; padding: 0 0 26px 62px; }
ol.tl li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  width: 42px; height: 42px; border-radius: 14px;
  display: grid; place-items: center;
  font: 700 .95rem var(--mono); color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
ol.tl li::after {
  content: ""; position: absolute; left: 21px; top: 50px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--line), rgba(236, 235, 246, 0));
}
ol.tl li:last-child { padding-bottom: 0; }
ol.tl li:last-child::after { display: none; }
ol.tl h3 { margin-bottom: 6px; padding-top: 8px; }
ol.tl p { color: var(--muted); font-size: .98rem; margin-bottom: 0; }

/* split check-list */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.pane { border-radius: var(--r); padding: 24px; min-width: 0; }
.pane.yes { background: rgba(16, 185, 129, .08); }
.pane.no { background: rgba(107, 78, 255, .07); }
.pane h3 { margin-bottom: 14px; }
.pane ul { list-style: none; margin: 0; padding: 0; }
.pane li { padding: 9px 0 9px 26px; position: relative; font-size: .97rem; border-top: 1px solid rgba(26, 26, 46, .07); }
.pane li:first-child { border-top: 0; }
.pane li::before { position: absolute; left: 0; top: 9px; font-weight: 800; }
.pane.yes li::before { content: "+"; color: var(--accent2); }
.pane.no li::before { content: "\2212"; color: var(--accent); }

/* address format table */
.addr { width: 100%; border-collapse: collapse; margin-top: 22px; font-size: .96rem; }
.addr th, .addr td { text-align: left; padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.addr th { font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); border-top: 0; }
.addr td:first-child { font-family: var(--mono); font-weight: 500; color: var(--accent); white-space: nowrap; }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* media rows */
.media { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(20px, 3vw, 40px); align-items: center; }
.media.flip { grid-template-columns: .85fr 1.15fr; }
.media > div { min-width: 0; }
figure { margin: 0; min-width: 0; }
.shot { border-radius: var(--r); overflow: hidden; background: var(--soft); aspect-ratio: 1 / 1; }
.shot img { width: 100%; height: 100%; object-fit: cover; }
.shot.wide { aspect-ratio: 16 / 9; }
figcaption { margin-top: 10px; font-size: .84rem; color: var(--muted); }
.hero-shot { max-width: 1000px; margin: 34px auto 0; }
.hero-shot .shot { aspect-ratio: 21 / 9; }

/* facts strip */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px; }
.fact { background: var(--soft); border-radius: 18px; padding: 20px; min-width: 0; }
.fact b { display: block; font: 500 1.6rem/1.1 var(--mono); letter-spacing: -.03em; margin-bottom: 6px; }
.fact span { font-size: .87rem; color: var(--muted); }

/* faq */
.faq { margin-top: 24px; }
.faq details { border-top: 1px solid var(--line); padding: 4px 0; }
.faq details:first-of-type { border-top: 0; }
.faq summary {
  list-style: none; cursor: default; font-weight: 700; font-size: clamp(1.02rem, 1.9vw, 1.2rem);
  letter-spacing: -.01em; padding: 18px 0 8px; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq .ans { color: var(--muted); padding-bottom: 18px; max-width: 72ch; }
.faq .ans p:last-child { margin-bottom: 0; }

/* final call */
.finale { text-align: center; }
.finale .cta { max-width: 420px; margin-left: auto; margin-right: auto; }
.finale p { margin-left: auto; margin-right: auto; max-width: 54ch; }

/* crumbs */
.crumbs { font-size: .86rem; color: var(--muted); padding: 22px 0 0; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }

/* ---------- footer ---------- */

.foot { background: #14142a; color: #b7b7cd; margin-top: 46px; padding: 46px 0 34px; }
.foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; }
.foot .wrap > div { min-width: 0; }
.foot a { color: #fff; text-decoration: none; }
.foot a:hover { text-decoration: underline; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: .94rem; }
.foot p { font-size: .88rem; line-height: 1.62; }
.foot .brand { color: #fff; margin-bottom: 12px; }

/* ---------- legal + 404 ---------- */

.legal { padding: 26px 0 0; }
.legal h2 { font-size: 1.24rem; margin-top: 34px; }
.legal ul { max-width: 68ch; }
.legal li { margin-bottom: 8px; }
.center { text-align: center; padding: 70px 0 20px; }
.center .cta { max-width: 320px; margin: 24px auto 0; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .tiles { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .media, .media.flip { grid-template-columns: 1fr; }
  .media figure { order: -1; }
  .foot .wrap { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .hero { padding: 34px 0 6px; }
  .top .wrap { flex-wrap: wrap; justify-content: flex-start; min-height: 0; gap: 4px; padding-top: 10px; padding-bottom: 6px; }
  .brand { width: 100%; }
  .top nav { margin-left: -8px; width: 100%; justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; gap: 0; scrollbar-width: none; }
  .top nav::-webkit-scrollbar { display: none; }
  .top nav a { padding: 6px 8px; font-size: .86rem; white-space: nowrap; }
  .fields { grid-template-columns: 1fr; gap: 8px; }
  #flip { justify-self: center; transform: rotate(90deg); }
  .f input { font-size: 1.2rem; }
  .hero-shot .shot { aspect-ratio: 4 / 3; }
  .facts { grid-template-columns: 1fr; }
  ol.tl li { padding-left: 52px; }
  ol.tl li::before { width: 36px; height: 36px; border-radius: 12px; }
  ol.tl li::after { left: 18px; top: 44px; }
  .drop::first-letter { font-size: 2.8rem; }
  .addr { font-size: .9rem; }
  .addr th, .addr td { padding: 10px 7px; }
  .addr th:first-child, .addr td:first-child { padding-left: 0; }
}