/* OpenStore site styles — system font stack, no frameworks, no external requests. */

:root {
  color-scheme: light dark;

  --bg: #faf9f6;
  --bg-raised: #ffffff;
  --bg-sunken: #f1efe9;
  --text: #1b1a17;
  --text-muted: #5b584f;
  --text-faint: #837f72;
  --accent: #1f5f4a;
  --accent-strong: #143f32;
  --border: #e2ded2;
  --border-strong: #cfc9b8;
  --code-bg: #f1efe9;
  --code-text: #2c2a24;
  --shadow: 0 1px 2px rgba(20, 18, 10, 0.04), 0 8px 24px rgba(20, 18, 10, 0.05);
  --link: #1f5f4a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14140f;
    --bg-raised: #1c1b16;
    --bg-sunken: #100f0b;
    --text: #efece2;
    --text-muted: #b6b2a1;
    --text-faint: #8a8674;
    --accent: #6fcf9c;
    --accent-strong: #8fe0b4;
    --border: #322f26;
    --border-strong: #423e30;
    --code-bg: #100f0b;
    --code-text: #d9d5c4;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px rgba(0, 0, 0, 0.35);
    --link: #8fe0b4;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

code, pre, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- Top nav ---------- */

.topbar {
  padding: 28px 0;
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 26px;
  height: 26px;
  flex: none;
}

.topnav {
  display: flex;
  gap: 22px;
  font-size: 14px;
}

.topnav a {
  color: var(--text-muted);
  text-decoration: none;
}

.topnav a:hover {
  color: var(--text);
}

/* ---------- Hero ---------- */

.hero {
  padding: 56px 0 40px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 22px;
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 17ch;
}

h1 em {
  font-style: normal;
  color: var(--accent);
}

.lede {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.08s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent-strong);
  color: #fbfaf6;
}

.btn-primary:hover {
  background: var(--accent);
}

@media (prefers-color-scheme: dark) {
  .btn-primary {
    color: #0b1310;
  }
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--bg-sunken);
}

/* ---------- Sections ---------- */

section {
  padding: 52px 0;
  border-top: 1px solid var(--border);
}

.hero {
  border-top: none;
}

h2 {
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.section-intro {
  color: var(--text-muted);
  max-width: 62ch;
  margin: 0 0 32px;
  font-size: 16px;
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.step-card-wide {
  grid-column: 1 / -1;
}

@media (max-width: 760px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-num {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  .step-num {
    color: var(--accent-strong);
  }
}

.step-card h3 {
  margin: 0;
  font-size: 17px;
}

.step-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14.5px;
}

.entry-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 4px;
}

.entry-point {
  min-width: 0;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry-point h4 {
  margin: 0;
  font-size: 14.5px;
}

.entry-point p {
  font-size: 13.5px;
  color: var(--text-muted);
  margin: 0;
}

.entry-point p strong {
  color: var(--text);
  font-weight: 600;
}

.copybox {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 54px 10px 12px;
  margin: 8px 0 0;
  overflow-x: auto;
}

.copybox pre {
  margin: 0;
  font-size: 12.8px;
  color: var(--code-text);
  white-space: pre;
  overflow-x: auto;
  min-width: 0;
}

.copybox + .copybox {
  margin-top: 6px;
}

.copy-btn {
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.4;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-raised);
  color: var(--text-muted);
  cursor: pointer;
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--text-faint);
}

.copy-btn:active {
  transform: translateY(1px);
}

/* ---------- How it works / diagram ---------- */

.diagram-wrap {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 20px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  overflow-x: auto;
}

.diagram-wrap svg {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

.diagram-box-label {
  font-size: 13px;
  font-weight: 600;
  fill: var(--text);
}

.diagram-box-sub {
  font-size: 10.5px;
  fill: var(--text-faint);
}

.diagram-arrow-label {
  font-size: 10.5px;
  fill: var(--text-muted);
}

.how-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 760px) {
  .how-notes {
    grid-template-columns: 1fr;
  }
}

.how-note h4 {
  margin: 0 0 6px;
  font-size: 14.5px;
}

.how-note p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- Trust ---------- */

.trust-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 26px 24px;
  box-shadow: var(--shadow);
}

.trust-card p {
  margin: 0 0 14px;
  font-size: 16px;
}

.trust-card p:last-child {
  margin-bottom: 0;
}

.trust-card .fine {
  font-size: 14px;
  color: var(--text-muted);
}

.trust-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.trust-list li {
  font-size: 14.5px;
  color: var(--text-muted);
  padding-left: 24px;
  position: relative;
}

.trust-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Take it with you ---------- */

.takeit {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

@media (max-width: 600px) {
  .takeit {
    flex-direction: column;
  }
}

.takeit-icon {
  flex: none;
  width: 40px;
  height: 40px;
  color: var(--accent-strong);
}

.takeit p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
}

.takeit p + p {
  margin-top: 10px;
}

/* ---------- Footer ---------- */

footer {
  padding: 36px 0 60px;
  border-top: 1px solid var(--border);
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 13.5px;
}

footer a {
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 18px;
}

/* Policy and support documents. */
.legal { max-width: 780px; padding-top: 3rem; padding-bottom: 4rem; overflow-wrap: anywhere; }
.legal h1 { font-size: clamp(2rem, 6vw, 3rem); }
.legal h2 { margin-top: 2rem; font-size: 1.35rem; }
.legal li { margin-bottom: .75rem; }