/* Facturaton design system: https://claude.ai/artifact/E1KyWiwEk4WfYLiYnXPDxq */
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("fonts/BricolageGrotesque-Variable.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "Figtree";
  src: url("fonts/Figtree-Variable.woff2") format("woff2");
  font-weight: 300 900;
  font-display: swap;
}
/* Cyrillic only: Bricolage Grotesque and Figtree have no Russian letters */
@font-face {
  font-family: "Onest";
  src: url("fonts/Onest-Cyrillic-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

:root {
  --font-display: "Bricolage Grotesque", Onest, "Segoe UI", system-ui, sans-serif;
  --font-sans: Figtree, Onest, "Segoe UI", system-ui, -apple-system, sans-serif;

  --surface:         #F5F7FA;
  --surface-raised:  #FFFFFF;
  --surface-sunken:  #EBEFF5;
  --text:            #0F2140;
  --text-muted:      #4A5872;
  --border:          #DCE3EC;
  --border-control:  #7D8A9E;
  --primary:         #3274C9;
  --primary-hover:   #274C83;
  --on-primary:      #FFFFFF;
  --link:            #274C83;
  --focus:           #3274C9;
  --status-sent-bg:  #E1EFFE;
  --status-sent-fg:  #274C83;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --radius-md: 8px; --radius-lg: 16px; --radius-pill: 999px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface:         #0E1729;
    --surface-raised:  #15213A;
    --surface-sunken:  #0A1220;
    --text:            #E8EEF7;
    --text-muted:      #A7B4C8;
    --border:          #25344F;
    --border-control:  #6F7F99;
    --primary:         #7DB5F4;
    --primary-hover:   #9DCCFC;
    --on-primary:      #0B2A5B;
    --link:            #9DCCFC;
    --focus:           #7DB5F4;
    --status-sent-bg:  #16315A;
    --status-sent-fg:  #9DCCFC;
  }
}

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

html, body { min-height: 100%; }

body {
  font: 400 15px/22px var(--font-sans);
  color: var(--text);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* Header */
header {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.logo { display: block; line-height: 0; }
.logo img { width: 176px; height: auto; }
.logo img, .mascot {
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}
.logo .dark { display: none; }

/* Language switcher */
.lang {
  display: inline-flex;
  padding: 2px;
  background: var(--surface-raised);
  border: 1px solid var(--border-control);
  border-radius: var(--radius-pill);
}
.lang a {
  font: 600 13px/18px var(--font-sans);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  text-decoration: none;
  transition: background-color .12s ease, color .12s ease;
}
.lang a:hover { background: var(--surface-sunken); }
.lang a[aria-current="page"] {
  background: var(--primary);
  color: var(--on-primary);
}

/* Hero */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5) var(--space-4) var(--space-7);
}

.hero {
  width: 100%;
  max-width: 640px;
  padding: var(--space-7) var(--space-5);
  text-align: center;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.mascot {
  display: block;
  width: 200px;
  max-width: 60%;
  height: auto;
  margin: calc(-1 * var(--space-5)) auto var(--space-4);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px var(--space-2) 2px 7px;
  border-radius: var(--radius-pill);
  font: 600 12px/18px var(--font-sans);
  white-space: nowrap;
  background: var(--status-sent-bg);
  color: var(--status-sent-fg);
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

h1 {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 48px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 96;
  text-wrap: balance;
}

.blurb {
  margin: var(--space-4) auto 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 26px;
  color: var(--text-muted);
  text-wrap: pretty;
}
.blurb strong { color: var(--text); font-weight: 600; }

.contact {
  margin-top: var(--space-6);
  display: grid;
  justify-items: center;
  gap: var(--space-2);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border-radius: var(--radius-md);
  font: 600 15px/22px var(--font-sans);
  text-decoration: none;
  background: var(--primary);
  color: var(--on-primary);
  transition: background-color .12s ease;
}
.btn:hover { background: var(--primary-hover); }
.btn svg { width: 20px; height: 20px; flex: none; }
.contact .email {
  font: 400 13px/18px var(--font-sans);
  color: var(--text-muted);
}
.contact .email a { font-weight: 600; text-underline-offset: 2px; }

footer {
  padding: var(--space-5) var(--space-4);
  text-align: center;
  font: 400 13px/18px var(--font-sans);
  color: var(--text-muted);
}

@media (min-width: 768px) {
  header { padding-left: var(--space-6); padding-right: var(--space-6); }
  .hero { padding: var(--space-7) var(--space-8); }
  .logo img { width: 220px; }
}

@media (prefers-color-scheme: dark) {
  .logo .light { display: none; }
  .logo .dark { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .lang a { transition: none; }
}