/* ===== Tokens ===== */
:root {
  --bg: #000;
  --surface: #0b0b0b;
  --fg: #fafafa;
  --body: rgba(255, 255, 255, 0.74);
  --muted: #8a8a8a;
  --faint: #5c5c5c;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Monaco, monospace;
  --max: 760px;
}

/* ===== Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

h1,
h2,
h3 {
  color: var(--fg);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

img {
  max-width: 100%;
  height: auto;
}

main {
  padding-bottom: 96px;
}

.container,
.nav-inner,
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: 15px;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a.is-active,
.nav-brand:hover {
  color: var(--fg);
}

/* language dropdown */
.lang {
  position: relative;
}

.lang summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 5px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.lang summary::-webkit-details-marker {
  display: none;
}

.lang summary::after {
  content: "";
  width: 9px;
  height: 6px;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='92.2 150.4 327.7 211.1'%3E%3Cpath d='m98 190.06 139.78 163.12a24 24 0 0 0 36.44 0L414 190.06c13.34-15.57 2.28-39.62-18.22-39.62h-279.6c-20.5 0-31.56 24.05-18.18 39.62z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='92.2 150.4 327.7 211.1'%3E%3Cpath d='m98 190.06 139.78 163.12a24 24 0 0 0 36.44 0L414 190.06c13.34-15.57 2.28-39.62-18.22-39.62h-279.6c-20.5 0-31.56 24.05-18.18 39.62z'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform 0.18s ease;
}

.lang[open] summary::after {
  transform: rotate(180deg);
}

.lang[open] summary,
.lang summary:hover {
  color: var(--fg);
  border-color: rgba(255, 255, 255, 0.34);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 128px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px;
  background: #0c0c0c;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6);
}

.lang-menu a {
  padding: 8px 10px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.lang-menu a:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.05);
}

.lang-menu a.is-active {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.06);
}

/* ===== Home hero ===== */
.hero {
  padding-top: 72px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.hero-email {
  display: inline-block;
  margin-top: 24px;
  font-size: 18px;
  color: #cfcfcf;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  padding-bottom: 2px;
}

.hero-email:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.social {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 26px;
}

.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: #7a7a7a;
}

.social a:hover {
  color: var(--fg);
}

.social svg {
  fill: currentColor;
}

.social svg path {
  fill: currentColor;
}

/* Optical normalization: source icons have unequal padding/weight,
   so each glyph is sized to match the others on one baseline. */
.social .s-telegram svg { width: 22px; height: 22px; }
.social .s-instagram svg { width: 20px; height: 20px; }
.social .s-facebook svg { width: 18px; height: 18px; }
.social .s-x svg { width: 19px; height: 19px; }
.social .s-linkedin svg { width: 18px; height: 18px; }
.social .s-github svg { width: 20px; height: 20px; }
.social .s-twitch svg { width: 23px; height: 23px; }

/* ===== Home body ===== */
.home-body > div {
  margin-top: 52px;
}

.home-body h2 {
  font-size: 15px;
  font-weight: 600;
  color: #c8c8c8;
  letter-spacing: 0;
  margin-bottom: 18px;
}

.home-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.home-body li {
  position: relative;
  padding-left: 22px;
  font-size: 17px;
  line-height: 1.55;
}

.home-body li::before {
  content: "\00B7";
  position: absolute;
  left: 0;
  color: var(--faint);
}

.home-body p {
  font-size: 17px;
  line-height: 1.65;
  margin-bottom: 18px;
}

.home-body p:last-child {
  margin-bottom: 0;
}

.home-body a {
  color: #d8d8d8;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  padding-bottom: 1px;
}

.home-body a:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.home-body small {
  font-size: 14px;
  font-style: italic;
  color: var(--faint);
}

/* ===== Page head (blog / apps index) ===== */
.page-head {
  padding: 68px 0 34px;
}

.page-head h1 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.lede {
  margin-top: 16px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}

/* ===== Blog list ===== */
.post-list {
  border-top: 1px solid var(--line);
}

.post {
  display: block;
  padding: 26px 18px;
  margin: 0 -18px;
  border-bottom: 1px solid var(--line);
  border-radius: 12px;
}

.post:hover {
  background: rgba(255, 255, 255, 0.028);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--faint);
}

.post h2 {
  margin: 12px 0 8px;
  font-size: 24px;
  color: #f2f2f2;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.post p {
  max-width: 600px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
}

.empty {
  padding-top: 8px;
  color: var(--muted);
  font-style: italic;
}

/* ===== Back link ===== */
.back {
  display: inline-block;
  padding-top: 40px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: #6a6a6a;
}

.back:hover {
  color: var(--fg);
}

/* ===== Blog post ===== */
.post-head {
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--line);
}

.post-head .post-meta {
  margin-bottom: 22px;
}

.post-head h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.post-head .lede {
  max-width: 640px;
  margin-top: 22px;
  font-size: 21px;
  line-height: 1.45;
  color: #9a9a9a;
}

.post-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  color: #6a6a6a;
}

/* ===== Prose ===== */
.prose {
  padding-top: 40px;
  font-size: 18px;
  line-height: 1.72;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose p {
  margin: 0 0 24px;
}

.prose h1 {
  margin: 0 0 8px;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.prose h2 {
  margin: 40px 0 16px;
  font-size: 26px;
}

.prose h3 {
  margin: 32px 0 12px;
  font-size: 20px;
}

.prose ul {
  list-style: none;
  margin: 0 0 24px;
}

.prose li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
}

.prose li::before {
  content: "\2014";
  position: absolute;
  left: 0;
  color: var(--faint);
}

.prose a {
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 1px;
}

.prose a:hover {
  border-color: #fff;
}

.prose strong {
  color: var(--fg);
  font-weight: 600;
}

.prose blockquote {
  margin: 32px 0;
  padding-left: 22px;
  border-left: 2px solid rgba(255, 255, 255, 0.22);
  font-size: 20px;
  line-height: 1.5;
  color: #cdcdcd;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
}

.prose pre {
  margin: 0 0 26px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow-x: auto;
}

.prose pre code {
  padding: 0;
  background: none;
  font-size: 14.5px;
  line-height: 1.7;
  color: #c9c9c9;
}

.prose img {
  margin: 8px 0 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.meta {
  margin: 0 0 24px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--faint);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: #e8e8e8;
  font-weight: 600;
  font-size: 15px;
}

.btn:hover {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.btn-primary {
  background: var(--fg);
  border-color: var(--fg);
  color: #000;
}

.btn-primary:hover {
  background: #fff;
  color: #000;
}

/* ===== Apps grid ===== */
.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.app-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.app-card:hover {
  background: #101010;
  border-color: rgba(255, 255, 255, 0.18);
}

.app-card::after {
  content: "\203A";
  position: absolute;
  top: 18px;
  right: 20px;
  color: #4a4a4a;
  font-size: 22px;
  line-height: 1;
}

.app-card-icon {
  width: 64px;
  height: 64px;
  flex: none;
  border-radius: 16px;
}

.app-card-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding-right: 16px;
}

.app-card-name {
  font-size: 18px;
  font-weight: 600;
  color: #f2f2f2;
  letter-spacing: -0.01em;
}

.app-card-tagline {
  font-size: 14px;
  line-height: 1.4;
  color: var(--muted);
}

.app-more {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  padding: 22px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--faint);
  text-align: center;
}

/* ===== App detail ===== */
.app-hero {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 44px;
}

.app-hero-icon {
  width: 116px;
  height: 116px;
  flex: none;
  border-radius: 28px;
}

.app-hero-text {
  flex: 1;
  min-width: 260px;
}

.app-hero h1 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.app-hero-tagline {
  max-width: 500px;
  margin-top: 14px;
  font-size: 21px;
  line-height: 1.45;
  color: #9a9a9a;
}

.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.shot {
  width: fit-content;
  max-width: 100%;
  margin: 48px 0 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: #080808;
}

.shot-bar {
  display: flex;
  gap: 7px;
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.shot-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #1c1c1c;
}

.shot img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 30px;
  padding-bottom: 30px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--faint);
}

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

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

.footer a:hover {
  color: var(--fg);
}

/* ===== Narrow screens ===== */
@media (max-width: 560px) {
  .container,
  .nav-inner,
  .footer-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .nav-links {
    gap: 18px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .page-head h1 {
    font-size: 34px;
  }

  .post-head h1,
  .app-hero h1 {
    font-size: 34px;
  }

  .post-head .lede,
  .app-hero-tagline {
    font-size: 18px;
  }

  .prose {
    font-size: 17px;
  }

  .app-grid {
    grid-template-columns: 1fr;
  }
}