/* ============================================================
   Peakify — shared design system
   Used by every page except the homepage (index.html), which
   uses home.css — same tokens, extra homepage-only components.
   ============================================================ */

@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62.5% 125%;
  font-display: swap;
  src: url(assets/fonts/archivo-var.woff2) format('woff2');
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/fonts/space-mono-400.woff2) format('woff2');
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(assets/fonts/space-mono-700.woff2) format('woff2');
}

:root {
  --pitch:   #06090F;
  --pitch-2: #080C14;
  --slate:   #111A28;
  --slate-2: #0D1420;
  --line:    #22314A;
  --line-soft: #182338;
  --chalk:   #EAF1F8;
  --muted:   #7E90A8;
  --muted-2: #55647E;
  --cyan:    #19B2EA;
  --gain:    #24C26B;
  --burn:    #F0A63C;

  --display: 'Archivo', system-ui, sans-serif;
  --mono: 'Space Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --maxw: 820px;
  --gutter: clamp(20px, 5vw, 48px);

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--pitch);
  color: var(--chalk);
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
::selection { background: var(--cyan); color: var(--pitch); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 3px; }

/* ambient background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1000px 620px at 82% -10%, rgba(25,178,234,0.09), transparent 60%),
    radial-gradient(760px 520px at 4% 4%, rgba(240,166,60,0.05), transparent 55%),
    linear-gradient(180deg, var(--pitch-2), var(--pitch) 46%);
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(6,9,15,0.86), rgba(6,9,15,0.55));
  border-bottom: 1px solid var(--line-soft);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 66px;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--chalk); }
.brand:hover { text-decoration: none; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__name {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 125%;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 19px;
  line-height: 1;
}
.brand__by {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted-2);
  text-transform: uppercase;
  margin-top: 3px;
}
.navlinks { display: flex; gap: 28px; }
.navlinks a {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .18s ease;
}
.navlinks a:hover { color: var(--chalk); text-decoration: none; }
.navlinks a[aria-current="page"] { color: var(--chalk); }

/* ---------- Language switcher ---------- */
.langswitch {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.langswitch a { color: var(--muted); padding: 2px 1px; }
.langswitch a:hover { color: var(--chalk); text-decoration: none; }
.langswitch a[aria-current="true"] { color: var(--chalk); font-weight: 700; }
.langswitch .sep { color: var(--line); }
.foot .langswitch { font-size: 11px; }

.btn {
  --btn-bg: var(--chalk);
  --btn-fg: var(--pitch);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 9px 14px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -12px rgba(234,241,248,0.4); text-decoration: none; }
.btn__apple { width: 14px; height: 17px; fill: currentColor; }

/* ---------- Document page ---------- */
.doc { padding-block: clamp(48px, 8vw, 96px); }
.doc__eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.doc__eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--cyan);
  display: inline-block;
}
.doc__eyebrow--burn::before { background: var(--burn); }

.doc h1 {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 118%;
  text-transform: uppercase;
  line-height: 0.98;
  letter-spacing: -0.015em;
  font-size: clamp(34px, 6vw, 58px);
  text-wrap: balance;
  margin-top: 18px;
}
.doc__meta {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-top: 16px;
}
.doc__lead {
  color: var(--muted);
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.65;
  margin-top: 22px;
  max-width: 62ch;
}

.doc__body { margin-top: 44px; max-width: 68ch; }
.doc__body h2 {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 108%;
  text-transform: uppercase;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.1;
  letter-spacing: -0.005em;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}
.doc__body h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.doc__body p { color: var(--chalk); opacity: 0.9; margin-top: 14px; }
.doc__body ul { margin: 16px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.doc__body li {
  position: relative;
  padding-left: 22px;
  color: var(--chalk);
  opacity: 0.9;
}
.doc__body li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.7em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}
.doc__body li strong { color: var(--chalk); font-weight: 700; opacity: 1; }

/* contact card (support) */
.contact-card {
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: linear-gradient(165deg, var(--slate), var(--slate-2));
  border: 1px solid var(--line);
  border-radius: 14px;
}
.contact-card .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.contact-card .v {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 22px);
  color: var(--cyan);
}
.contact-card .v a { color: var(--cyan); }
.contact-card__ic {
  width: 42px; height: 42px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--slate-2);
  color: var(--cyan);
}
.contact-card__ic svg { width: 22px; height: 22px; }

.doc__foot-note {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 15px;
}

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line-soft); padding-block: 40px; margin-top: 40px; }
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.foot__links {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  flex-wrap: wrap;
}
.foot__links a { color: var(--muted); transition: color .18s ease; }
.foot__links a:hover { color: var(--chalk); text-decoration: none; }
.foot__copy {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}

@media (max-width: 720px) {
  .topbar .btn { display: none; }
  .brand__by { display: none; }
  .navlinks { gap: 16px; }
  .navlinks a { font-size: 11px; letter-spacing: 0.05em; }
  .topbar .langswitch { gap: 4px; font-size: 10.5px; }
}
@media (max-width: 480px) {
  .topbar .langswitch { display: none; }
}
@media (max-width: 620px) {
  .foot { flex-direction: column; align-items: flex-start; }
  .contact-card { width: 100%; }
}

/* ============================================================
   Blog
   ============================================================ */
.post-list {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.post-card {
  display: block;
  padding: 24px 26px;
  background: linear-gradient(165deg, var(--slate), var(--slate-2));
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform .18s ease, border-color .18s ease;
}
.post-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  border-color: var(--cyan);
}
.post-card__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.post-card__kicker .tag { color: var(--cyan); }
.post-card__kicker .tag--burn { color: var(--burn); }
.post-card__kicker .tag--gain { color: var(--gain); }
.post-card h2 {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 112%;
  text-transform: uppercase;
  font-size: clamp(18px, 2.6vw, 23px);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--chalk);
  margin-top: 10px;
}
.post-card p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.6;
  margin-top: 8px;
  max-width: 64ch;
}

/* ---------- Article extras ---------- */
.doc__body h3 {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 106%;
  text-transform: uppercase;
  font-size: 16.5px;
  letter-spacing: 0.01em;
  margin-top: 30px;
  color: var(--chalk);
}
.doc__body ol {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.doc__body ol li {
  position: relative;
  padding-left: 34px;
  color: var(--chalk);
  opacity: 0.9;
  counter-increment: steps;
}
.doc__body ol li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.22em;
  width: auto; height: auto;
  background: none;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
}

.callout {
  margin-top: 30px;
  padding: 20px 22px;
  background: linear-gradient(165deg, var(--slate), var(--slate-2));
  border: 1px solid var(--line);
  border-left: 3px solid var(--gain);
  border-radius: 12px;
}
.callout .k {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gain);
}
.callout p { margin-top: 8px; }
.callout--burn { border-left-color: var(--burn); }
.callout--burn .k { color: var(--burn); }

.zone-table { width: 100%; overflow-x: auto; margin-top: 20px; }
.zone-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.zone-table th {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  text-align: left;
  padding: 10px 14px 10px 0;
  border-bottom: 1px solid var(--line);
}
.zone-table td {
  padding: 11px 14px 11px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--chalk);
  opacity: 0.9;
  vertical-align: top;
}
.zone-table td:first-child { font-family: var(--mono); font-size: 13.5px; white-space: nowrap; }

.post-end {
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}