/*
 * etiop.trade — styles. Colours follow the app's design tokens (ui/src/styles/tokens.css):
 * neutrals carry the interface, blue is the single accent; flat colours only (no gradients,
 * no shadows, no glow). Light by default, dark via prefers-color-scheme. System fonts only.
 */

:root {
  color-scheme: light dark;
  --bg: #f4f6f9;
  --bg-band: #eceff4;
  --surface: #ffffff;
  --surface-2: #f6f8fb;
  --border: #e2e7ee;
  --border-strong: #cfd6e0;
  --text: #121826;
  --text-2: #4b5565;
  --text-3: #6b7585;
  --accent: #2f6feb;
  --accent-ink: #2560d6;
  --accent-soft: rgba(47, 111, 235, 0.1);
  --btn-bg: #2f6feb;
  --btn-bg-hover: #2560d6;
  --good: #127a2c;
  --good-soft: rgba(12, 163, 12, 0.1);
  --warn: #8a5a00;
  --warn-soft: rgba(250, 178, 25, 0.16);
  --warn-line: #c98500;
  --bad: #b42828;
  --bad-soft: rgba(208, 59, 59, 0.1);
  --mark-tile: #10151e;
  --font-sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  --font-mono: "Cascadia Mono", "Cascadia Code", Consolas, "SFMono-Regular", Menlo, monospace;
  --r-sm: 5px;
  --r-md: 8px;
  --r-lg: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0e13;
    --bg-band: #0f131a;
    --surface: #11151c;
    --surface-2: #161b24;
    --border: #222935;
    --border-strong: #2f3846;
    --text: #e7ebf1;
    --text-2: #a4adbb;
    --text-3: #8b95a5;
    --accent: #4c8dff;
    --accent-ink: #6a9fff;
    --accent-soft: rgba(76, 141, 255, 0.13);
    --btn-bg: #2f6feb;
    --btn-bg-hover: #3a78f2;
    --good: #4cc764;
    --good-soft: rgba(12, 163, 12, 0.16);
    --warn: #f5c25a;
    --warn-soft: rgba(250, 178, 25, 0.12);
    --warn-line: #c98500;
    --bad: #f0777f;
    --bad-soft: rgba(208, 59, 59, 0.16);
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
code { font-family: var(--font-mono); font-size: 0.88em; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 0.05em 0.35em; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); font-weight: 650; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 620; }
h3, .h3 { font-size: 1.15rem; font-weight: 620; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 20px; }
.narrow { max-width: 800px; }
.center { text-align: center; }
.muted { color: var(--text-2); }
.small { font-size: 0.875rem; }
.block { display: block; }
.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.skip { position: absolute; left: 12px; top: -48px; z-index: 10; background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); border-radius: var(--r-md); padding: 8px 14px; }
.skip:focus { top: 12px; }

/* ── header ── */
.site-header { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--border); }
.header-row { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.mark { width: 30px; height: 30px; flex: none; }
.wordmark { font-family: var(--font-display); font-weight: 680; font-size: 1.3rem; letter-spacing: 0.01em; }
.wm-i { color: var(--accent); }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { color: var(--text-2); text-decoration: none; padding: 6px 10px; border-radius: var(--r-md); font-size: 0.95rem; white-space: nowrap; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a[aria-current="page"] { color: var(--text); background: var(--accent-soft); }

@media (max-width: 860px) {
  .header-row { flex-wrap: wrap; gap: 8px 16px; padding-block: 10px 0; }
  .header-cta { margin-left: auto; }
  .nav { order: 3; flex-basis: 100%; overflow-x: auto; padding-bottom: 8px; scrollbar-width: none; }
}

/* ── buttons ── */
.btn {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; min-height: 42px; padding: 9px 18px; border-radius: var(--r-md);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 600; line-height: 1.25; text-decoration: none; cursor: pointer; text-align: center;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn-primary { background: var(--btn-bg); border-color: var(--btn-bg); color: #ffffff; }
.btn-primary:hover { background: var(--btn-bg-hover); border-color: var(--btn-bg-hover); }
.btn-sm { min-height: 34px; padding: 5px 12px; font-size: 0.9rem; }
.btn-lg { min-height: 50px; padding: 12px 24px; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; }
.btn-sub { font-size: 0.8rem; font-weight: 450; opacity: 0.85; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
.cta-row.center { justify-content: center; }

/* ── sections ── */
.section { padding-block: 72px; }
.band { background: var(--bg-band); border-block: 1px solid var(--border); }
.eyebrow { color: var(--accent-ink); font-size: 0.82rem; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px; }
.lead { font-size: 1.15rem; color: var(--text-2); max-width: 64ch; }
.center .lead { margin-inline: auto; }
.page-head { padding-block: 56px 24px; }
.page-head + .section { padding-top: 40px; }
.section:not(.band) + .section:not(.band) { padding-top: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-block: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; }
.card > :last-child { margin-bottom: 0; }
.list { margin: 0; padding-left: 1.1em; }
.list li { margin-block: 4px; }
.more { color: var(--text-2); margin-top: 32px; }

@media (max-width: 900px) {
  .two-col, .grid3 { grid-template-columns: 1fr; gap: 24px; }
  .section { padding-block: 48px; }
}

/* ── hero ── */
.hero { padding-block: 64px 72px; }
.hero-copy { margin-bottom: 40px; }
.hero h1 { max-width: 18ch; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.pills li { border: 1px solid var(--border-strong); border-radius: 999px; padding: 4px 12px; font-size: 0.9rem; color: var(--text-2); background: var(--surface); }

.shot { margin: 0; }
.shot picture, .shot > img { display: block; border: 1px solid var(--border-strong); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.shot img { width: 100%; height: auto; }
.shot figcaption { color: var(--text-2); font-size: 0.875rem; margin-top: 10px; }

/* ── read-only checklist ── */
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.checks li { position: relative; padding: 16px 18px 16px 52px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); }
.checks li::before {
  content: ""; position: absolute; left: 18px; top: 19px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-soft); border: 1.5px solid var(--accent);
}
.checks li::after {
  content: ""; position: absolute; left: 25px; top: 23px; width: 6px; height: 10px;
  border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg);
}

/* ── features ── */
.feature { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: center; margin-top: 56px; }
.feature:nth-of-type(even) .feature-copy { order: 2; }
.tag { display: inline-block; vertical-align: middle; font-size: 0.75rem; font-weight: 650; letter-spacing: 0.04em; color: var(--accent-ink); background: var(--accent-soft); border-radius: 999px; padding: 2px 10px; margin-left: 6px; }
@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
  .feature:nth-of-type(even) .feature-copy { order: 0; }
}

/* ── notices ── */
.notice { border: 1px solid var(--border); border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: var(--r-md); padding: 14px 18px; margin-block: 24px; }
.notice > :last-child { margin-bottom: 0; }
.notice h2 { font-size: 1.15rem; }
.notice.warn { border-left-color: var(--warn-line); background: var(--warn-soft); }
.notice.ok { border-left-color: var(--good); background: var(--good-soft); }

/* ── plans ── */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-block: 24px; align-items: stretch; }
.plan { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px 24px; }
.plan-pro { border-color: var(--accent); }
.plan h3 { font-size: 1.35rem; margin-bottom: 4px; }
.plan-tag { color: var(--text-2); min-height: 3.2em; }
.price { margin: 8px 0 2px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.amount { font-family: var(--font-display); font-size: 2.2rem; font-weight: 680; letter-spacing: -0.02em; }
.per { color: var(--text-2); }
.price-note { color: var(--text-2); font-size: 0.875rem; min-height: 1.5em; margin-bottom: 18px; }
.plan .btn { margin-bottom: 20px; }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding-left: 26px; margin-block: 7px; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 0.45em; width: 6px; height: 11px; border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg); }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } .plan-tag { min-height: 0; } }

/* monthly / annual toggle (CSS only) */
.toggle-input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.toggle { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--border-strong); border-radius: 999px; background: var(--surface); }
.toggle label { padding: 6px 16px; border-radius: 999px; cursor: pointer; color: var(--text-2); font-weight: 600; }
.badge { display: inline-block; font-size: 0.75rem; color: var(--good); background: var(--good-soft); border-radius: 999px; padding: 1px 8px; margin-left: 4px; }
#periodo-mensile:checked ~ .toggle label[for="periodo-mensile"],
#periodo-annuale:checked ~ .toggle label[for="periodo-annuale"] { background: var(--accent-soft); color: var(--text); }
#periodo-mensile:focus-visible ~ .toggle label[for="periodo-mensile"],
#periodo-annuale:focus-visible ~ .toggle label[for="periodo-annuale"] { outline: 2px solid var(--accent); outline-offset: 2px; }
#periodo-mensile:checked ~ .plans .y,
#periodo-annuale:checked ~ .plans .m { display: none; }

/* ── tables ── */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); margin-block: 20px; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { padding: 11px 16px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
tbody tr:last-child > * { border-bottom: 0; }
thead th { font-size: 0.85rem; color: var(--text-2); font-weight: 650; background: var(--surface-2); }
.matrix td, .matrix thead th:not(:first-child) { text-align: center; }
.matrix tbody th { font-weight: 500; }
.yes { color: var(--accent); font-weight: 700; }
.no { color: var(--text-3); }
caption { text-align: left; font-weight: 650; padding: 12px 16px 0; }
.hashes th { white-space: nowrap; font-weight: 500; }
code.hash { word-break: break-all; background: none; border: 0; padding: 0; }

/* ── FAQ ── */
.faq h2 { margin-top: 40px; }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; list-style: none; font-weight: 600; padding: 14px 32px 14px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 10px; font-size: 1.4rem; color: var(--text-2); line-height: 1.2; }
.faq details[open] summary::after { content: "\2212"; }
.faq details > :not(summary) { color: var(--text-2); }

/* ── long texts ── */
.prose { padding-bottom: 72px; }
.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose h3 { font-size: 1.05rem; margin-top: 1.5em; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-block: 6px; }
.steps { padding-left: 1.3em; }
.steps li { margin-block: 8px; }

/* ── license page ── */
.form { display: grid; gap: 12px; margin-bottom: 72px; }
.form label { font-weight: 600; }
.form input {
  font: inherit; font-family: var(--font-mono); font-size: 1rem; letter-spacing: 0.02em; width: 100%;
  padding: 11px 12px; color: var(--text); background: var(--bg); border: 1px solid var(--border-strong); border-radius: var(--r-md);
}
.form input:focus-visible { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.form input[aria-invalid="true"] { border-color: var(--bad); }
.form .btn { justify-self: start; }
.form-error { color: var(--bad); background: var(--bad-soft); border-radius: var(--r-md); padding: 8px 12px; margin: 0; }
.license { margin-bottom: 16px; }
.tail { padding-bottom: 72px; }
.license-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 12px; }
.license-head p { margin: 0; }
.plan-name { font-family: var(--font-display); font-size: 1.8rem; font-weight: 680; }
.status { border-radius: 999px; padding: 4px 12px; font-weight: 650; font-size: 0.9rem; white-space: nowrap; }
.status-ok { color: var(--good); background: var(--good-soft); }
.status-warn { color: var(--warn); background: var(--warn-soft); }
.status-bad { color: var(--bad); background: var(--bad-soft); }
.facts { display: flex; flex-wrap: wrap; gap: 12px 40px; margin: 16px 0 24px; }
.facts dt { color: var(--text-2); font-size: 0.85rem; }
.facts dd { margin: 0; font-weight: 600; }
.facts-list { display: grid; grid-template-columns: 1fr; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px 20px; }
.devices form { margin: 0; }
.devices td:last-child { text-align: right; }

/* ── download ── */
.downloads .btn { min-width: 240px; }

/* ── closing call to action ── */
.cta-band { border-top: 1px solid var(--border); }

/* ── footer ── */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-band); padding-top: 48px; font-size: 0.93rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand p { color: var(--text-2); margin-top: 12px; max-width: 40ch; }
.site-footer h2 { font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); margin-bottom: 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-block: 6px; }
.site-footer nav a { color: var(--text); text-decoration: none; }
.site-footer nav a:hover { text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; border-top: 1px solid var(--border); margin-top: 40px; padding-block: 20px 28px; color: var(--text-2); }
.footer-bottom p { margin: 0; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }