/* DK Tracker — project page. Colours follow the app (slate + the green ring of the icon).
   System fonts only: the page loads nothing from other servers. */

:root {
  --bg: #f6f7f9;
  --bg-alt: #eef1f4;
  --surface: #ffffff;
  --surface-2: #f3f5f8;
  --border: #dfe3e9;
  --text: #111827;
  --muted: #566070;
  --accent: #16a34a;
  --accent-text: #15803d;
  --accent-soft: rgba(22, 163, 74, 0.1);
  --on-accent: #ffffff;
  --code-bg: #111827;
  --code-text: #e5e7eb;
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.06), 0 12px 32px -12px rgba(17, 24, 39, 0.18);
  --shot-shadow: 0 30px 60px -20px rgba(17, 24, 39, 0.45);
  --glow: rgba(34, 197, 94, 0.16);
  --radius: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans", Cantarell, Ubuntu, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "Hack", "Noto Sans Mono", "DejaVu Sans Mono", monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117;
    --bg-alt: #111823;
    --surface: #161e2a;
    --surface-2: #1d2735;
    --border: #2a3545;
    --text: #eef1f5;
    --muted: #9aa5b4;
    --accent: #22c55e;
    --accent-text: #4ade80;
    --accent-soft: rgba(34, 197, 94, 0.12);
    --on-accent: #052e16;
    --code-bg: #0a0e14;
    --code-text: #e5e7eb;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px -12px rgba(0, 0, 0, 0.6);
    --shot-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.8);
    --glow: rgba(34, 197, 94, 0.14);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0d1117;
  --bg-alt: #111823;
  --surface: #161e2a;
  --surface-2: #1d2735;
  --border: #2a3545;
  --text: #eef1f5;
  --muted: #9aa5b4;
  --accent: #22c55e;
  --accent-text: #4ade80;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --on-accent: #052e16;
  --code-bg: #0a0e14;
  --code-text: #e5e7eb;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px -12px rgba(0, 0, 0, 0.6);
  --shot-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.8);
  --glow: rgba(34, 197, 94, 0.14);
  color-scheme: dark;
}

/* Language: both texts live in the page, the other one is hidden. */
:root[data-lang="pl"] body [lang="en"],
:root[data-lang="en"] body [lang="pl"] {
  display: none !important;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent-text);
  text-underline-offset: 3px;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  padding: 0.1em 0.35em;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.015em;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 720px) {
  .wrap {
    padding: 0 32px;
  }
}

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

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.top__row {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
}

.nav {
  display: none;
  gap: 4px;
  margin-left: auto;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
}

.nav a:hover {
  color: var(--text);
  background: var(--surface-2);
}

@media (min-width: 820px) {
  .nav {
    display: flex;
  }
}

.switches {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

@media (min-width: 820px) {
  .switches {
    margin-left: 8px;
  }
}

.seg {
  display: flex;
  padding: 3px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.seg button {
  border: 0;
  background: none;
  color: var(--muted);
  font: 600 13px/1 var(--font);
  padding: 7px 10px;
  border-radius: 7px;
  cursor: pointer;
}

.seg button[aria-pressed="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}

.icon-btn svg,
.btn svg,
.copy svg,
.callout svg,
.card__icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* The button shows the theme it switches to. */
.i-sun {
  display: none !important;
}

:root[data-theme="dark"] .i-sun {
  display: block !important;
}

:root[data-theme="dark"] .i-moon {
  display: none !important;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun {
    display: block !important;
  }

  :root:not([data-theme="light"]) .i-moon {
    display: none !important;
  }
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto 35%;
  height: 720px;
  background: radial-gradient(closest-side, var(--glow), transparent 70%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

@media (min-width: 960px) {
  .hero {
    padding: 80px 0 48px;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 64px;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 5px 12px 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.hero h1 {
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

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

.lead {
  margin: 20px 0 28px;
  max-width: 36em;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.15rem);
}

.cmd {
  display: flex;
  align-items: stretch;
  gap: 0;
  min-width: 0;
  max-width: 640px;
  border-radius: 12px;
  background: var(--code-bg);
  border: 1px solid color-mix(in srgb, var(--code-text) 12%, transparent);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.cmd code {
  flex: 1;
  min-width: 0;
  padding: 14px 16px;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--code-text);
  font-size: 13.5px;
  line-height: 1.55;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
}

.cmd code::-webkit-scrollbar {
  display: none;
}

.cmd code::before {
  content: "$ ";
  color: #4ade80;
  user-select: none;
}

.copy {
  flex: none;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  border: 0;
  border-left: 1px solid color-mix(in srgb, var(--code-text) 12%, transparent);
  background: color-mix(in srgb, var(--code-text) 6%, transparent);
  color: var(--code-text);
  font: 600 13px/1 var(--font);
  cursor: pointer;
}

.copy:hover {
  background: color-mix(in srgb, var(--code-text) 12%, transparent);
}

.copy svg {
  width: 16px;
  height: 16px;
}

.copy__done,
.copy.is-done .copy__label {
  display: none;
}

.copy.is-done .copy__done {
  display: inline;
  color: #4ade80;
}

@media (max-width: 520px) {
  .copy [class^="copy__"] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .copy.is-done svg {
    stroke: #4ade80;
  }
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.btn:hover {
  border-color: color-mix(in srgb, var(--text) 25%, var(--border));
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.btn--primary:hover {
  border-color: var(--accent);
  filter: brightness(1.06);
}

.note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* screenshot + a sketch of the panel it pops up from */

.shot {
  margin: 0 auto;
  width: 100%;
  max-width: 400px;
}

.shot__window {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #2a3545;
  box-shadow: var(--shot-shadow);
}

.shot__window img {
  width: 100%;
  height: auto;
}

.panel {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 7px 10px;
  border-radius: 12px;
  background: #1b2330;
  border: 1px solid #2a3545;
  box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.5);
}

.panel__app {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: #2b3647;
}

.panel__spacer {
  flex: 1;
}

.panel__tray {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tray-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(34, 197, 94, 0.14);
  outline: 1px solid rgba(34, 197, 94, 0.45);
}

.tray-icon svg {
  position: absolute;
  inset: 2px;
  width: 30px;
  height: 30px;
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
}

.tray-icon .ring-bg {
  stroke: rgba(34, 197, 94, 0.25);
}

.tray-icon .ring {
  stroke: #22c55e;
}

.tray-icon b {
  position: relative;
  color: #eef1f5;
  font: 700 10px/1 var(--font);
  letter-spacing: -0.02em;
}

.tray-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  width: 2px;
  height: 10px;
  margin-left: -1px;
  border-radius: 2px;
  background: rgba(34, 197, 94, 0.6);
}

.panel__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #3a4658;
}

.panel__clock {
  padding-left: 4px;
  color: #cbd3de;
  font: 600 13px/1 var(--font);
  font-variant-numeric: tabular-nums;
}

.shot figcaption,
.stage figcaption {
  margin-top: 12px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

/* the main window with the quick window over its corner: what the app is, and what is extra */

.hero__text {
  position: relative;
  max-width: 760px;
}

.stage {
  position: relative;
  margin: 48px 0 0;
}

.stage__main img,
.view__shot img {
  width: 100%;
  height: auto;
}

.stage__quick,
.stage__corner {
  display: none;
}

@media (min-width: 820px) {
  .stage {
    margin-right: 9%;
  }

  .stage__corner {
    display: inline;
  }

  .stage__quick {
    display: block;
    position: absolute;
    right: -9%;
    bottom: -28px;
    width: 25%;
  }

  .stage__quick .panel {
    margin-top: 12px;
  }

  .stage figcaption {
    margin-top: 44px;
  }
}

.stage figcaption {
  text-align: left;
}

/* ---- the three views ---- */

.views {
  display: grid;
  gap: 56px;
}

.view {
  display: grid;
  gap: 20px;
  align-items: center;
}

.view__text h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.view__text p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

@media (min-width: 960px) {
  .view {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 44px;
  }

  .view:nth-child(even) {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  }

  .view:nth-child(even) .view__shot {
    order: 2;
  }
}

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

.section {
  padding: 64px 0;
}

.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

@media (min-width: 960px) {
  .section {
    padding: 96px 0;
  }
}

.section__head {
  max-width: 44em;
  margin-bottom: 36px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-text);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.25rem);
  font-weight: 750;
}

.card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

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

.features {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.card__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent-text);
}

.card__icon svg {
  width: 22px;
  height: 22px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.chips li {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
}

/* install */

.steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 960px) {
  .steps {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }
}

.step {
  counter-increment: step;
}

.step h3::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 13px;
  vertical-align: 1px;
}

.cmd--small {
  margin-top: 16px;
  box-shadow: none;
}

.cmd--small code {
  font-size: 12.5px;
  padding: 12px 14px;
}

.callouts {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

@media (min-width: 960px) {
  .callouts {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

.callout {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 14.5px;
}

.callout svg {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--accent-text);
}

.callout strong {
  color: var(--text);
}

/* setup */

.numbered {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: n;
}

@media (min-width: 820px) {
  .numbered {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.numbered li {
  counter-increment: n;
  position: relative;
  padding: 24px 24px 24px 76px;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

.numbered li::before {
  content: counter(n);
  position: absolute;
  left: 22px;
  top: 22px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 800;
}

.numbered h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

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

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

.foot {
  padding: 40px 0 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

.foot__row {
  display: grid;
  gap: 24px;
}

@media (min-width: 820px) {
  .foot__row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 48px;
  }
}

.foot__brand {
  display: flex;
  gap: 12px;
}

.foot__brand strong {
  color: var(--text);
}

.foot__brand p {
  margin: 4px 0 0;
  max-width: 44em;
}

.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.foot__links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}