/* =========================================================
   Support page of Dmitry Babanin: the real work is the hero.
   No external resources: system fonts, inline SVG icons,
   images from img/ only (CSP: default-src 'none').
   ========================================================= */

:root {
  color-scheme: light;

  --bg: #f6f3ee;
  --grid: rgba(70, 52, 32, 0.07);
  --surface: #ffffff;
  --surface-2: #f2eee7;
  --border: #e4ded3;
  --border-strong: #d3cbbd;
  --text: #1b1a17;
  --text-2: #3a3833;
  --muted: #5c5851;

  --accent: #f15f2c;          /* Boosty orange, used as a fill */
  --accent-ink: #1d0c03;      /* text on orange fills (5.9:1) */
  --accent-text: #b63e11;     /* orange used as text (5.6:1 on white) */
  --accent-glow: rgba(241, 95, 44, 0.45);

  --blue: #3b62c8;            /* PiPoker blue, white text 5.5:1 */
  --blue-text: #2f55b8;
  --green: #1f9d55;
  --green-text: #157a41;
  --violet: #7a4fd6;
  --violet-text: #6439c4;

  --glow-a: rgba(241, 95, 44, 0.20);
  --glow-b: rgba(59, 98, 200, 0.14);

  --warning: #7f4500;
  --warning-bg: #fff3df;

  --shadow: 0 1px 2px rgba(40, 28, 14, 0.05), 0 10px 30px -12px rgba(40, 28, 14, 0.14);
  --shadow-lift: 0 2px 4px rgba(40, 28, 14, 0.06), 0 24px 50px -18px rgba(40, 28, 14, 0.28);
  --focus: #2f55b8;

  --radius: 20px;
  --max: 1160px;
  --gutter: 16px;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "SF Pro Display", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;

    --bg: #0f1013;
    --grid: rgba(255, 255, 255, 0.045);
    --surface: #17191d;
    --surface-2: #1f2227;
    --border: #2a2d34;
    --border-strong: #3a3e46;
    --text: #efede9;
    --text-2: #d3d1cc;
    --muted: #a3a6ad;

    --accent-text: #ff7a45;
    --accent-glow: rgba(255, 106, 51, 0.5);

    --blue-text: #8fb0ff;
    --green-text: #5fd394;
    --violet-text: #b79cff;

    --glow-a: rgba(255, 106, 51, 0.16);
    --glow-b: rgba(84, 130, 255, 0.14);

    --warning: #f5bd6b;
    --warning-bg: rgba(245, 160, 60, 0.10);

    --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 12px 32px -14px rgba(0, 0, 0, 0.7);
    --shadow-lift: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 28px 60px -20px rgba(0, 0, 0, 0.85);
    --focus: #8fb0ff;
  }
}

/* ---------- language twins: one page, every text twice ---------- */
html[data-lang="en"] [lang="ru"],
html[data-lang="ru"] [lang="en"] {
  display: none !important;
}

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

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  /* the sticky top bar never covers an anchor target or the focused element */
  scroll-padding-top: 76px;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  font: 400 17px/1.6 var(--font);
  /* glows + a faint cutting-mat grid that fades out below the hero */
  background-color: var(--bg);
  background-image:
    radial-gradient(640px 420px at 8% -120px, var(--glow-a), transparent 70%),
    radial-gradient(720px 480px at 96% 0, var(--glow-b), transparent 70%),
    linear-gradient(to bottom, transparent 0, var(--bg) 640px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px);
  background-size: auto, auto, auto, 32px 32px, 32px 32px;
  background-repeat: no-repeat, no-repeat, no-repeat, repeat, repeat;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 800;
  text-wrap: balance;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 700 16px/1.2 var(--font);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

/* the heart that opens a button is filled */
.btn > .icon:first-child {
  fill: currentColor;
  stroke: none;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 8px 22px -10px var(--accent-glow);
}

.btn-primary:hover {
  background: #ff6b37;
  box-shadow: 0 12px 28px -10px var(--accent-glow);
}

.btn-ghost {
  border-color: var(--border-strong);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  color: var(--text);
}

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

.btn-blue {
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 10px 24px -12px rgba(59, 98, 200, 0.8);
}

.btn-blue:hover {
  background: #3358b8;
}

.btn-dark {
  background: #16100c;
  color: #ffffff;
  box-shadow: 0 14px 30px -14px rgba(22, 16, 12, 0.9);
}

.btn-dark:hover {
  background: #000000;
}

.btn-small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 14px;
}

.btn-small .icon {
  width: 16px;
  height: 16px;
}

.btn-large {
  min-height: 58px;
  padding: 0 30px;
  font-size: 17px;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: var(--max);
  height: 60px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(140deg, #ff9257, var(--accent) 55%, #d9431a);
  color: var(--accent-ink);
  font: 800 14px/1 var(--mono);
  letter-spacing: -0.04em;
  box-shadow: 0 6px 16px -6px var(--accent-glow);
}

.brand-name {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  font-size: 15px;
}

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

.nav {
  display: none;
  gap: 2px;
}

.nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

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

.lang-switcher {
  display: flex;
  padding: 3px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
}

.lang-switch {
  min-width: 38px;
  height: 30px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 700 13px/1 var(--mono);
  cursor: pointer;
}

.lang-switch[aria-pressed="true"] {
  background: var(--text);
  color: var(--bg);
}

/* ---------- hero ---------- */
.hero-inner {
  display: grid;
  gap: 22px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--gutter) 4px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 6px 14px 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 75%, transparent);
  color: var(--text-2);
  font: 600 13px/1.2 var(--mono);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}

h1 {
  margin: 16px 0 20px;
  font-size: clamp(46px, 13vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

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

.crafts li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 14px;
  font-weight: 600;
}

.crafts .icon {
  width: 16px;
  height: 16px;
}

.crafts li:nth-child(1) .icon {
  color: var(--blue-text);
}

.crafts li:nth-child(2) .icon {
  color: var(--accent-text);
}

.crafts li:nth-child(3) .icon {
  color: var(--green-text);
}

.intro {
  max-width: 54ch;
  margin: 0 0 24px;
  color: var(--text-2);
  font-size: clamp(17px, 1.5vw, 19.5px);
  line-height: 1.6;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.actions .btn {
  flex: 1 1 0;
  padding: 0 14px;
}

/* ---------- sections ---------- */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px var(--gutter) 0;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.section-num {
  flex: none;
  padding: 3px 8px;
  border: 1px solid color-mix(in srgb, var(--accent-text) 45%, transparent);
  border-radius: 7px;
  color: var(--accent-text);
  font: 700 13px/1.4 var(--mono);
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4.2vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

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

.pitch {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.55;
}

/* ---------- PiPoker feature ---------- */
.feature {
  position: relative;
  display: grid;
  overflow: hidden;
  isolation: isolate;
}

.feature::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(520px 360px at 90% 0, var(--glow-b), transparent 70%);
}

.feature-text {
  padding: 22px 20px 26px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--blue) 13%, transparent);
  color: var(--blue-text);
  font: 700 12px/1.4 var(--mono);
}

.feature h3 {
  margin: 14px 0 6px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1;
  letter-spacing: -0.035em;
}

.checks {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.checks li {
  position: relative;
  padding-left: 32px;
  font-size: 15.5px;
  line-height: 1.45;
}

.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--green) 18%, transparent);
}

.checks li::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 4.5px;
  width: 5px;
  height: 10px;
  border: solid var(--green-text);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.feature-media {
  position: relative;
  order: -1;
  padding: 18px 18px 0;
}

.browser {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: #202328;
  box-shadow: 0 30px 60px -22px rgba(0, 0, 0, 0.55);
}


.browser .media {
  display: block;
  width: 100%;
  height: auto;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  background: #2c3037;
}

.browser-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff5f57;
}

.browser-bar i:nth-child(2) {
  background: #febc2e;
}

.browser-bar i:nth-child(3) {
  background: #28c840;
}

.browser-url {
  display: flex;
  align-items: center;
  flex: 0 1 240px;
  height: 18px;
  margin-left: 10px;
  padding: 0 10px;
  border-radius: 6px;
  background: #1b1e23;
  color: #b4b9c2;
  font: 11px/1 var(--mono);
}


/* ---------- 3D models bento ---------- */
.models {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.models-intro {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px 20px;
}

.models-intro h3 {
  margin: 14px 0 6px;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.models-intro .pitch {
  margin-bottom: 8px;
}

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

.card-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.card-icon .icon {
  width: 24px;
  height: 24px;
}

.card-icon-orange {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent-text);
}

.card-icon-blue {
  background: color-mix(in srgb, var(--blue) 15%, transparent);
  color: var(--blue-text);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--accent-text);
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-link .icon {
  width: 18px;
  height: 18px;
}

.model {
  --glow: rgba(0, 0, 0, 0.4);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.3s ease;
}

.model .media.motion {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.model .media.motion.playing {
  opacity: 1;
}

.model .media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  background: #0b0b0d;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* the "opens a page" badge */
.model::before {
  content: "\2197";
  content: "\2197" / "";
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #ffffff;
  font-size: 15px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

@media (hover: hover) {
  .model::before {
    opacity: 0;
    transform: translate(-4px, 4px);
  }

  .model:hover::before,
  .model:focus-visible::before {
    opacity: 1;
    transform: none;
  }

  .model:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 50px -16px var(--glow);
  }

  .model:hover .media {
    transform: scale(1.05);
  }
}

.model-caption {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 1px;
  padding: 12px 14px 13px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.35;
}

.model-caption strong {
  color: var(--text);
  font-size: 15px;
  line-height: 1.25;
}

/* the first model is the big one */
.models-intro + .model {
  grid-column: 1 / -1;
}

.models-intro + .model .media {
  aspect-ratio: 4 / 3;
}

.model:nth-of-type(4n + 1) {
  --glow: rgba(255, 120, 40, 0.6);
}

.model:nth-of-type(4n + 2) {
  --glow: rgba(235, 50, 40, 0.55);
}

.model:nth-of-type(4n + 3) {
  --glow: rgba(70, 110, 255, 0.6);
}

.model:nth-of-type(4n) {
  --glow: rgba(60, 220, 90, 0.5);
}

/* ---------- GitHub + Boosty news ---------- */
.duo {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 18px 18px 18px;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.link-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lift);
}

.link-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
}

.link-card-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.link-card .pitch {
  margin: 2px 0 0;
  font-size: 15px;
}

.handle {
  margin-top: 6px;
  color: var(--muted);
  font: 12.5px/1.3 var(--mono);
}

.link-card-arrow {
  color: var(--muted);
  transition: transform 0.2s ease, color 0.2s ease;
}

.link-card:hover .link-card-arrow {
  color: var(--text);
  transform: translate(2px, -2px);
}

/* ---------- goals ---------- */
.goals {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.goal {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: start;
  gap: 8px 16px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.goal-icon {
  display: grid;
  grid-row: span 2;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.goal-icon .icon {
  width: 24px;
  height: 24px;
}

.goal-blue {
  background: color-mix(in srgb, var(--blue) 15%, transparent);
  color: var(--blue-text);
}

.goal-orange {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent-text);
}

.goal-green {
  background: color-mix(in srgb, var(--green) 15%, transparent);
  color: var(--green-text);
}

.goal-violet {
  background: color-mix(in srgb, var(--violet) 15%, transparent);
  color: var(--violet-text);
}

.goal-text {
  font-size: 16.5px;
  font-weight: 650;
  line-height: 1.4;
}

.goal-tag {
  justify-self: start;
  padding: 2px 9px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.5;
}

/* ---------- support: Boosty first ---------- */
.boosty {
  position: relative;
  display: grid;
  gap: 22px;
  overflow: hidden;
  isolation: isolate;
  padding: 26px 20px 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, #ff9a62 0%, #f6703b 42%, var(--accent) 100%);
  color: var(--accent-ink);
  box-shadow: 0 26px 60px -28px rgba(241, 95, 44, 0.75);
}

.boosty h3 {
  margin: 0 0 6px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1;
  letter-spacing: -0.035em;
}

.boosty p {
  max-width: 40ch;
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
}

.boosty-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.boosty-chips li {
  padding: 4px 12px;
  border: 1px solid rgba(29, 12, 3, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  font-size: 14px;
  font-weight: 650;
}

.boosty .btn {
  width: 100%;
}

.boosty .boosty-note {
  margin: 12px 0 0;
  font-size: 14px;
  opacity: 0.85;
}

.boosty :focus-visible {
  outline-color: var(--accent-ink);
}

.boosty-text {
  min-width: 0;
}

@media (max-width: 359px) {
  .boosty .btn {
    padding-inline: 16px;
  }
}

/* on phones the art stays beside the title, away from the text */
.boosty-art {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: -1;
  width: 96px;
  opacity: 0.55;
}

.boosty-art .hx {
  fill: none;
  stroke: rgba(26, 12, 5, 0.22);
  stroke-width: 2;
}

.boosty-art .hx-fill {
  fill: rgba(255, 255, 255, 0.24);
  stroke: rgba(26, 12, 5, 0.4);
  stroke-width: 2;
}

.boosty-art .heart {
  fill: #1a0c05;
  transform-box: fill-box;
  transform-origin: center;
}

@media (prefers-reduced-motion: no-preference) {
  .boosty-art .heart {
    animation: beat 2.4s ease-in-out infinite;
  }
}

/* ---------- crypto ---------- */
.crypto {
  margin-top: 36px;
}

.crypto-head h3 {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.crypto-head p {
  max-width: 62ch;
  margin: 0 0 18px;
  color: var(--muted);
}

.wallets {
  display: grid;
  gap: 12px;
}

.wallet {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  grid-template-areas:
    "head head"
    "qr addr"
    "copy copy"
    "warn warn";
  align-items: center;
  gap: 12px 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.wallet-head {
  grid-area: head;
  display: flex;
  align-items: center;
  gap: 10px;
}

.coin {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #ffffff;
  font: 800 17px/1 var(--font);
}

.coin svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linejoin: round;
}

.coin-usdt {
  background: #26a17b;
}

.coin-ton {
  background: #0098ea;
}

.coin-btc {
  background: #f7931a;
}

.wallet h4 {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.network {
  margin-left: auto;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font: 700 12px/1.5 var(--mono);
}

.qr {
  grid-area: qr;
  width: 100%;
  height: auto;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  image-rendering: pixelated;
}

.address {
  grid-area: addr;
  min-width: 0;
  padding: 8px 10px;
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font: 12.5px/1.5 var(--mono);
  overflow-wrap: anywhere;
  word-break: break-all;
  user-select: all;
}

.copy {
  grid-area: copy;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: 650 15px/1.2 var(--font);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.copy .icon {
  width: 18px;
  height: 18px;
}

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

.copy .done,
.copy .icon-check,
.copy.copied .label,
.copy.copied .icon-copy {
  display: none;
}

.copy.copied .done,
.copy.copied .icon-check {
  display: inline;
}

.copy.copied {
  border-color: color-mix(in srgb, var(--green) 55%, transparent);
  background: color-mix(in srgb, var(--green) 12%, transparent);
  color: var(--green-text);
}

.warning {
  grid-area: warn;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
  padding: 9px 12px;
  border-radius: 10px;
  background: var(--warning-bg);
  color: var(--warning);
  font-size: 13.5px;
  line-height: 1.45;
}

.warning::before {
  content: "!";
  content: "!" / "";
  display: grid;
  flex: none;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font: 800 11px/1 var(--font);
}

/* ---------- footer ---------- */
.footer {
  margin-top: 88px;
  border-top: 1px solid var(--border);
  background: radial-gradient(520px 240px at 50% 0, var(--glow-a), transparent 70%);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 52px var(--gutter) 44px;
  text-align: center;
}

.footer-heart {
  width: 44px;
  height: 44px;
  margin: 0 auto;
  fill: var(--accent);
  filter: drop-shadow(0 0 16px var(--accent-glow));
}

@media (prefers-reduced-motion: no-preference) {
  .footer-heart {
    animation: beat 2.8s ease-in-out infinite;
  }
}

@keyframes beat {
  0%, 30%, 100% {
    transform: scale(1);
  }
  10% {
    transform: scale(1.12);
  }
  20% {
    transform: scale(0.98);
  }
}

.thanks {
  margin: 14px 0 22px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.footer-links a:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

/* =========================================================
   >= 600px
   ========================================================= */
@media (min-width: 600px) {
  :root {
    --gutter: 24px;
  }

  .brand-name {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
  }

  .actions .btn {
    flex: 0 0 auto;
    padding: 0 22px;
  }

  .goals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .boosty {
    padding: 36px 36px 32px;
  }

  .boosty .btn {
    width: auto;
    justify-self: start;
  }

  .wallet {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px 18px;
    padding: 18px;
  }

  /* tablets and up: the caption lies on the picture */
  .model {
    aspect-ratio: 1;
    border: 0;
    background: #0b0b0d;
    color: #ffffff;
  }

  .model .media,
  .models-intro + .model .media {
    position: absolute;
    inset: 0;
    height: 100%;
    aspect-ratio: auto;
  }

  .model::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.88) 0, rgba(0, 0, 0, 0.6) 45%, transparent 80%);
  }

  .model-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    padding: 14px 16px 15px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 13.5px;
  }

  .model-caption strong {
    color: #ffffff;
    font-size: 16.5px;
  }

  .models-intro + .model {
    aspect-ratio: 16 / 10;
  }
}

/* =========================================================
   >= 900px: desktop
   ========================================================= */
@media (min-width: 900px) {
  :root {
    --gutter: 32px;
    --radius: 22px;
  }

  .topbar-inner {
    height: 66px;
  }

  .nav {
    display: flex;
    margin-right: 6px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
    gap: 64px;
    padding-top: 72px;
    padding-bottom: 12px;
  }

  .intro {
    margin-bottom: 28px;
  }

  .section {
    padding-top: 96px;
  }

  #projects {
    padding-top: 64px;
  }

  .section-head {
    margin-bottom: 28px;
  }

  /* PiPoker: text left, the demo video bleeding off the right edge */
  .feature {
    grid-template-columns: minmax(300px, 5fr) 7fr;
    min-height: 460px;
  }

  .feature-text {
    align-self: center;
    padding: 44px 8px 44px 44px;
  }

  .feature-media {
    order: 0;
    align-self: end;
    padding: 72px 0 0 44px;
  }


  .browser {
    position: relative;
    z-index: 1;
    width: calc(100% + 48px);
    border-bottom: 0;
    border-radius: 12px 12px 0 0;
  }

  /* 3D models: the intro on top, the first model big on the left, the others two by two */
  .models {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 14px;
  }

  .models-intro {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 20px;
    padding: 22px 28px;
  }

  .models-intro .card-icon {
    grid-row: span 3;
  }

  .models-intro h3 {
    margin-top: 0;
  }

  .models-intro .pitch,
  .models-intro .hint {
    grid-column: 2;
  }

  .models-intro .text-link {
    grid-column: 3;
    grid-row: 1 / span 3;
    margin: 0;
  }

  .models-intro + .model {
    grid-column: 1 / span 2;
    grid-row: span 2;
    aspect-ratio: auto;
  }

  .models-intro + .model .model-caption {
    padding: 22px 24px;
    font-size: 15px;
  }

  .models-intro + .model .model-caption strong {
    font-size: 22px;
  }

  .duo {
    gap: 14px;
    margin-top: 14px;
  }

  .link-card {
    padding: 22px 24px;
  }


  /* goals: two by two, the icon beside the text */
  .goals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  /* Boosty */
  .boosty {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 48px 56px;
  }

  .boosty .btn {
    justify-self: end;
  }

  .boosty {
    grid-template-columns: minmax(0, 1fr) 240px;
  }

  .boosty-art {
    position: static;
    z-index: auto;
    width: 100%;
    max-width: 240px;
    opacity: 1;
    justify-self: center;
  }

  /* crypto: QR on top, big enough to scan from the screen */
  .crypto {
    margin-top: 48px;
  }

  .wallets {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(5, auto);
    gap: 14px;
  }

  .wallet {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "head"
      "qr"
      "addr"
      "copy"
      "warn";
    grid-row: span 5;
    grid-template-rows: subgrid;
    row-gap: 16px;
    align-items: stretch;
    padding: 20px;
  }

  .qr {
    justify-self: center;
    width: 188px;
  }

  .address {
    align-self: center;
    text-align: center;
  }
}

@media (min-width: 1200px) {
  .hero-inner {
    padding-top: 84px;
  }
}

/* ---------- motion and forced colors ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (forced-colors: active) {
  .btn,
  .copy,
  .lang-switch[aria-pressed="true"] {
    border: 1px solid ButtonText;
  }

  .boosty,
  .model {
    border: 1px solid CanvasText;
  }
}

/* ---------- additions to the showcase ---------- */
.intro strong {
  color: var(--text);
  font-weight: 700;
}

.pay-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14.5px;
}

.pay-note .icon {
  width: 18px;
  height: 18px;
  color: var(--accent-text);
}

.pay-note a {
  color: var(--accent-text);
  font-weight: 650;
}

.crypto-head .check-hint {
  margin-top: -8px;
  font-size: 14.5px;
}

.address b {
  color: var(--accent-text);
  font-weight: 800;
  white-space: nowrap;
}

.wallet {
  position: relative;
}

.colophon {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.repos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14.5px;
}

.repos .icon {
  width: 18px;
  height: 18px;
}

.repos a {
  color: var(--blue-text);
  font-weight: 650;
}