/* ============================================================
   SVOI TAX LTD — brand system
   A member of the svoi family. Inherits the Warm-Dark core
   (Ink + Amber + Space Grotesk) and adds its own signature:
   "Refund Green" — the colour of money that stays yours.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ---- core (shared with svoi.uk) ---- */
  --ink:        #141517;
  --ink-2:      #1F2123;
  --surface-dk: #25282C;
  --border-dk:  #34373B;
  --muted-dk:   #A9ACB4;

  --cream:      #FFF7E3;
  --paper:      #FBF7EE;
  --paper-2:    #F4EDDE;
  --paper-3:    #ECE3CF;
  --line:       #E6DCC5;
  --line-strong:#C9BBA0;

  --amber:      #FFC25A;
  --amber-deep: #E99C1C;
  --amber-100:  #FFF1D3;

  /* ---- Svoi Tax signature: refund green ---- */
  --green:      #2E8B5E;   /* "your money, your refund" */
  --green-deep: #1E6B45;
  --green-100:  #DCEFE3;
  --green-200:  #B7DEC6;

  /* ---- alert (scam / overpaid) — used sparingly ---- */
  --cherry:     #E34A6F;
  --cherry-deep:#C22E53;
  --cherry-100: #FCE0E6;

  /* ---- type ---- */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-sans:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* ---- radii / shadow ---- */
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 22px; --r-pill: 9999px;
  --sh-sm: 0 2px 6px rgba(11,16,32,.06), 0 1px 2px rgba(11,16,32,.04);
  --sh-md: 0 10px 28px -12px rgba(11,16,32,.18);
  --sh-lg: 0 30px 64px -28px rgba(11,16,32,.30);

  --wrap: 1200px;
}

* { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
@media (max-width: 640px){ .wrap { padding: 0 20px; } }

/* ====================== TYPE ====================== */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6.2vw, 78px);
  line-height: 1.0;
  letter-spacing: -0.04em;
  margin: 0;
  text-wrap: balance;
}
.h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4.4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
}
.h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
}
.h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
}
.lead {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  color: var(--ink);
  opacity: .82;
  margin: 0;
  text-wrap: pretty;
  max-width: 56ch;
}
.body { font-size: 16px; line-height: 1.65; text-wrap: pretty; }
.small { font-size: 13.5px; line-height: 1.55; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-deep);
}
.eyebrow.amber { color: var(--amber-deep); }
.eyebrow.muted { color: #8E9097; }
.num { font-family: var(--font-mono); font-feature-settings: 'tnum'; letter-spacing: -0.01em; }

/* ====================== LOGO LOCKUP ====================== */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  user-select: none;
}
.logo .mk { flex-shrink: 0; }
.logo .wm { font-size: 23px; color: var(--ink); }
.logo .wm .tx { color: var(--green); }
.logo .wm .ltd {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  vertical-align: super;
  margin-left: 4px;
  color: #8E9097;
}
.logo.on-dark .wm { color: var(--cream); }
.logo.on-dark .wm .tx { color: var(--amber); }
.logo.lg .wm { font-size: 40px; }

/* ====================== BUTTONS ====================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 48px;
  padding: 0 22px;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: all 160ms cubic-bezier(.2,.8,.2,1);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { background: var(--amber-deep); transform: translateY(-1px); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-deep); transform: translateY(-1px); }
.btn-ink { background: var(--ink); color: var(--cream); }
.btn-ink:hover { background: #000; transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-ghost-dk { background: transparent; border-color: var(--border-dk); color: var(--cream); }
.btn-ghost-dk:hover { border-color: var(--amber); color: var(--amber); }

/* ====================== BADGES ====================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: auto;
  min-height: 24px;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.badge-green { background: var(--green-100); color: var(--green-deep); }
.badge-amber { background: var(--amber-100); color: var(--amber-deep); }
.badge-ink   { background: rgba(255,255,255,.08); color: var(--cream); }
.badge-line  { background: transparent; border: 1px solid var(--line-strong); color: #6B6D73; }

/* ====================== SECTION SCAFFOLD ====================== */
.sec { padding: 96px 0; border-bottom: 1px solid var(--line); }
.sec-paper { background: var(--paper); }
.sec-paper2 { background: var(--paper-2); }
.sec-ink { background: var(--ink); color: var(--cream); border-bottom-color: var(--ink-2); }
.sec-ink .h2, .sec-ink .h1, .sec-ink .h3, .sec-ink .display { color: var(--cream); }
.sec-ink .lead { color: var(--muted-dk); opacity: 1; }
@media (max-width: 700px){ .sec { padding: 64px 0; } }

.sec-head { max-width: 760px; margin-bottom: 48px; display: flex; flex-direction: column; gap: 16px; }
.sec-head .eyebrow { display: inline-block; }

/* ====================== UTILITY ====================== */
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.mono-rule {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8E9097;
}
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 4px; }
.sec-ink :focus-visible { outline-color: var(--amber); }
::selection { background: var(--amber); color: var(--ink); }

/* lang visibility (default EN) */
[data-ru] { display: none; }
body.lang-ru [data-en] { display: none; }
body.lang-ru [data-ru] { display: revert; }