/* ---------------------------------------------------------------
   trx to usdt — light theme, photo-led hero, dense display type
   --------------------------------------------------------------- */

:root {
  --bg: #ffffff;
  --paper: #f4f5f3;
  --accent: #1aa35a;
  --accent-dk: #148147;
  --ink: #0d1117;
  --muted: #5e6672;
  --line: #e3e6e2;
  --r: 12px;
  --pill: 999px;
  --wrap: 1200px;
  --col: 980px;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --disp: "Inter Tight", "Inter", ui-sans-serif, system-ui, -apple-system, Arial, sans-serif;
  --mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.66 var(--sans);
  overflow-x: hidden;
}

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

a { color: #0f7a44; text-underline-offset: 2px; }
a:hover { color: var(--accent); }

h1, h2, h3, h4 {
  font-family: var(--disp);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.02;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.col { width: 100%; max-width: var(--col); margin: 0 auto; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- top disclaimer strip ---------- */

.strip {
  background: var(--ink);
  color: #cfd6dd;
  font-size: 12.5px;
  line-height: 1.45;
  letter-spacing: .005em;
}
.strip .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 20px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.strip b { color: #fff; font-weight: 600; }
.strip .tick {
  font-family: var(--mono);
  font-size: 12px;
  color: #fff;
  white-space: nowrap;
  min-width: 0;
}
.strip .tick i { color: var(--accent); font-style: normal; }
.strip .warn { color: #9aa4b0; min-width: 0; }

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

.top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--disp);
  font-weight: 800;
  letter-spacing: -.045em;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
  flex: 0 0 auto;
}
.brand img { width: 26px; height: 26px; }
.brand span { white-space: nowrap; }

.top nav {
  display: flex;
  gap: 18px;
  margin-left: auto;
  min-width: 0;
}
.top nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}
.top nav a:hover { color: var(--ink); }

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--pill);
  background: var(--accent);
  color: #fff;
  font: 600 15px/1 var(--sans);
  letter-spacing: -.01em;
  padding: 12px 20px;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.pill:hover { background: #158a4c; color: #fff; }
.pill.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.pill.ghost:hover { background: var(--paper); color: var(--ink); }
.top .pill { flex: 0 0 auto; padding: 10px 17px; font-size: 14.5px; }

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

.hero { padding-top: 22px; }

.shot {
  position: relative;
  margin: 0;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--paper);
}
.shot img {
  width: 100%;
  height: 62vh;
  min-height: 400px;
  max-height: 620px;
  object-fit: cover;
  object-position: 50% 62%;
}
/* soft light wash so dark type stays readable on the photo.
   layer 1 lifts the left column where the text sits, layer 2 lifts the
   lower half. no dark overlay anywhere. */
.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right,
      rgba(255, 255, 255, .30) 0%,
      rgba(255, 255, 255, .18) 40%,
      rgba(255, 255, 255, 0) 68%),
    linear-gradient(to top,
      rgba(255, 255, 255, .86) 0%,
      rgba(255, 255, 255, .74) 28%,
      rgba(255, 255, 255, .44) 54%,
      rgba(255, 255, 255, .12) 78%,
      rgba(255, 255, 255, 0) 100%);
}
.shot figcaption {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  padding: 0 36px 108px;
  max-width: 760px;
  min-width: 0;
}
.shot h1 {
  font-size: clamp(34px, 5.2vw, 62px);
  color: var(--ink);
}
.dot {
  display: inline-block;
  width: .22em;
  height: .22em;
  margin-left: .12em;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: baseline;
}
.shot .lede {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 500;
  color: #2a323c;
  max-width: 44ch;
}

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

.conv {
  position: relative;
  z-index: 3;
  margin: -72px 0 0;
  width: 100%;
  max-width: 560px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: 0 18px 48px -22px rgba(13, 17, 23, .28), 0 2px 6px rgba(13, 17, 23, .05);
  padding: 20px;
}
.conv h2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 138px);
  gap: 8px;
}
.row + .row { margin-top: 8px; }
.f { min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.f label {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
}
.conv input, .conv select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: 600 18px/1.2 var(--mono);
  padding: 12px 12px;
  appearance: none;
  -webkit-appearance: none;
}
.conv select {
  font-family: var(--sans);
  font-size: 15px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235e6672' stroke-width='1.8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  padding-right: 30px;
}
.conv input:focus, .conv select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.conv input[readonly] { background: var(--paper); }

.flipwrap { display: flex; justify-content: center; margin: 9px 0 1px; }
#flip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: var(--pill);
  font: 600 12.5px/1 var(--sans);
  padding: 8px 14px;
  cursor: pointer;
}
#flip:hover { border-color: var(--accent); color: var(--accent); }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
}
.meta span { min-width: 0; }
.conv .pill { width: 100%; margin-top: 14px; padding: 15px 20px; font-size: 16px; }
.fineprint {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

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

section { padding: 64px 0; }
section.pale { background: var(--paper); }
section.pale + section.pale { padding-top: 0; }

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}
h2 { font-size: clamp(27px, 3.5vw, 40px); }
h3 { font-size: clamp(18px, 2vw, 22px); font-weight: 700; }
.col > h2 + p, .col > .kicker + h2 + p { margin-top: 18px; }
.col p, .col li { max-width: 74ch; }

.lead { font-size: 19px; color: #29313b; }

figure.inline { margin: 30px 0 26px; }
figure.inline img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r);
}
figure.inline figcaption {
  margin-top: 9px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- two-column numbers ---------- */

.nums { margin: 28px 0 0; border-top: 1px solid var(--line); }
.nums > div {
  display: grid;
  grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
  gap: 10px 34px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.nums b {
  font-family: var(--disp);
  font-weight: 800;
  letter-spacing: -.05em;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1;
  min-width: 0;
  overflow-wrap: break-word;
}
.nums p { margin: 0; color: #303841; min-width: 0; }
.nums em { display: block; font-style: normal; font-size: 13px; color: var(--muted); margin-top: 6px; font-family: var(--sans); letter-spacing: 0; }

/* ---------- step rail ---------- */

.tl {
  --fill: 0%;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 22px;
  counter-reset: st;
  position: relative;
}
.tl::before, .tl::after {
  content: "";
  position: absolute;
  top: 17px;
  left: 0;
  height: 2px;
  border-radius: 2px;
}
.tl::before { right: 0; background: var(--line); }
.tl::after { width: var(--fill); background: var(--accent); transition: width .5s ease; }
.tl li { position: relative; min-width: 0; padding-top: 50px; }
.tl li::before {
  counter-increment: st;
  content: counter(st);
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--line);
  color: var(--muted);
  font: 700 15px/32px var(--mono);
  text-align: center;
}
.tl li.seen::before { border-color: var(--accent); color: var(--accent); }
.tl h3 { font-size: 17px; letter-spacing: -.03em; }
.tl p { margin: 8px 0 0; font-size: 14.5px; line-height: 1.6; color: #333b45; max-width: none; }

/* ---------- checklist ---------- */

.checks { list-style: none; margin: 26px 0 0; padding: 0; }
.checks li {
  position: relative;
  padding: 0 0 0 30px;
  margin: 0 0 14px;
  min-width: 0;
}
.checks li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .55em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--accent);
}

/* ---------- callout ---------- */

.stance {
  margin: 30px 0 0;
  padding: 22px 24px;
  border-left: 3px solid var(--accent);
  background: #fff;
  border-radius: 0 var(--r) var(--r) 0;
  font-family: var(--disp);
  font-weight: 600;
  letter-spacing: -.02em;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.3;
}
section.pale .stance { background: #fff; }

/* ---------- faq ---------- */

.faq { margin: 30px 0 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 44px 22px 0;
  position: relative;
  font-family: var(--disp);
  font-weight: 700;
  letter-spacing: -.03em;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.25;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 13px;
  height: 13px;
  margin-top: -7px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq summary:hover { color: var(--accent); }
.faq .a { padding: 0 44px 24px 0; color: #303841; }
.faq .a p { max-width: 70ch; }

/* ---------- final cta ---------- */

.end {
  background: var(--ink);
  color: #eef2f5;
  border-radius: var(--r);
  padding: 44px 40px;
  margin: 0;
}
.end h2 { color: #fff; }
.end p { margin-top: 14px; color: #b9c2cc; max-width: 58ch; }
.end .pill { margin-top: 24px; }

/* ---------- breadcrumbs ---------- */

.crumbs {
  font-size: 13.5px;
  color: var(--muted);
  padding: 20px 0 0;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--accent); }

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

footer.site {
  border-top: 1px solid var(--line);
  padding: 34px 0 44px;
  font-size: 13.5px;
  color: var(--muted);
  background: var(--bg);
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 10px 26px; align-items: center; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 10px 20px; min-width: 0; }
footer.site a { color: var(--muted); text-decoration: none; }
footer.site a:hover { color: var(--accent); }
footer.site .note { flex-basis: 100%; line-height: 1.6; max-width: 80ch; }

/* ---------- simple pages ---------- */

.plain { padding: 40px 0 72px; }
.plain h1 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 20px; }
.plain h2 { font-size: clamp(20px, 2.4vw, 26px); margin: 34px 0 12px; }
.plain p, .plain li { max-width: 74ch; }
.plain ul { padding-left: 20px; }
.plain li { margin-bottom: 8px; }

.nf { padding: 90px 0 110px; text-align: left; }
.nf h1 { font-size: clamp(56px, 12vw, 130px); margin-bottom: 8px; }

/* ---------- breakpoints ---------- */

@media (max-width: 900px) {
  .tl { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .tl::before, .tl::after { top: 0; left: 17px; width: 2px; height: auto; }
  .tl::before { right: auto; bottom: 0; }
  .tl::after { bottom: auto; height: var(--fill); width: 2px; transition: height .5s ease; }
  .tl li { padding: 0 0 26px 52px; }
  .tl li:last-child { padding-bottom: 0; }
  .nums > div { grid-template-columns: minmax(0, 1fr); gap: 6px; }
}

@media (max-width: 760px) {
  .top nav { display: none; }
  .top .pill { margin-left: auto; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  section { padding: 44px 0; }
  .hero { padding-top: 14px; }
  .shot img { height: 54vh; min-height: 330px; }
  .shot figcaption { padding: 0 18px 74px; }
  .shot .lede { margin-top: 10px; }
  .conv { margin-top: -46px; padding: 16px; max-width: none; }
  .row { grid-template-columns: minmax(0, 1fr); }
  .row .f + .f { margin-top: 8px; }
  .end { padding: 32px 22px; border-radius: 0; }
  .end-wrap { padding: 0; }
  .lead { font-size: 17px; }
  .stance { padding: 18px 18px; }
  .faq summary { padding-right: 34px; }
  .faq .a { padding-right: 0; }
}

@media (max-width: 380px) {
  .brand { font-size: 17px; }
  .top .pill { padding: 9px 13px; font-size: 13.5px; }
}

@media (prefers-reduced-motion: reduce) {
  .tl::after, .faq summary::after { transition: none; }
}