:root {
  --ku-ivory: #f7f4ec;
  --ku-paper: #fffdf8;
  --ku-ink: #171717;
  --ku-muted: #6b685f;
  --ku-line: #ded8c9;
  --ku-gold: #b38a24;
  --ku-gold-dark: #806115;
  --ku-gold-soft: #f1e6bd;
  --ku-success: #286647;
  --ku-error: #a83e32;
  --ku-shadow: 0 18px 50px rgba(41, 34, 17, .08);
  --ku-radius: 18px;
  --ku-sans: "Space Grotesk", system-ui, sans-serif;
  --ku-display: "Syne", "Space Grotesk", system-ui, sans-serif;
  --ku-mono: "Space Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.ku-onboarding { margin: 0; background: var(--ku-ivory); color: var(--ku-ink); font-family: var(--ku-sans); line-height: 1.55; }
.ku-onboarding a { color: var(--ku-ink); }
.ku-shell { min-height: 100vh; }
.ku-topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px clamp(20px, 5vw, 72px); border-bottom: 1px solid var(--ku-line); background: rgba(255, 253, 248, .94); }
.ku-logo { color: var(--ku-ink); font: 700 12px var(--ku-mono); letter-spacing: .16em; text-decoration: none; text-transform: uppercase; }
.ku-toplink { color: var(--ku-muted); font-size: 13px; text-decoration: none; }
.ku-main { width: min(1160px, calc(100% - 40px)); margin: 0 auto; padding: 54px 0 92px; }
.ku-kicker { color: var(--ku-gold-dark); font: 700 11px var(--ku-mono); letter-spacing: .16em; text-transform: uppercase; }
.ku-hero { max-width: 780px; }
.ku-hero h1 { margin: 12px 0 18px; font: 800 clamp(42px, 7vw, 82px)/.99 var(--ku-display); letter-spacing: -.045em; }
.ku-hero h1 span { color: var(--ku-gold-dark); }
.ku-hero p { max-width: 680px; margin: 0; color: var(--ku-muted); font-size: clamp(16px, 2vw, 20px); }
.ku-stagebar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 42px 0 28px; }
.ku-stage { min-height: 72px; padding: 13px 14px; border-top: 2px solid var(--ku-line); color: var(--ku-muted); font: 700 11px/1.35 var(--ku-mono); text-transform: uppercase; }
.ku-stage.is-active, .ku-stage.is-complete { border-color: var(--ku-gold); color: var(--ku-ink); }
.ku-stage strong { display: block; margin-bottom: 5px; color: var(--ku-gold-dark); font-size: 16px; }
.ku-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); gap: 22px; align-items: start; }
.ku-card { background: var(--ku-paper); border: 1px solid var(--ku-line); border-radius: var(--ku-radius); box-shadow: var(--ku-shadow); padding: clamp(22px, 4vw, 36px); }
.ku-card + .ku-card { margin-top: 18px; }
.ku-card h2 { margin: 0 0 8px; font: 750 clamp(24px, 3vw, 34px)/1.08 var(--ku-display); letter-spacing: -.025em; }
.ku-card h3 { margin: 0 0 6px; font-size: 18px; }
.ku-card p { color: var(--ku-muted); }
.ku-note { padding: 15px 17px; border-left: 3px solid var(--ku-gold); background: #fbf5dd; color: #514728; }
.ku-note strong { color: var(--ku-ink); }
.ku-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ku-field { min-width: 0; }
.ku-field.is-full { grid-column: 1 / -1; }
.ku-field label { display: block; color: var(--ku-muted); font: 700 10px var(--ku-mono); letter-spacing: .09em; text-transform: uppercase; }
.ku-field input, .ku-field textarea, .ku-field select { width: 100%; margin-top: 7px; border: 1px solid #cfc7b5; border-radius: 10px; padding: 13px 14px; background: #fff; color: var(--ku-ink); font: 16px var(--ku-sans); }
.ku-field textarea { min-height: 100px; resize: vertical; }
.ku-field input:focus, .ku-field textarea:focus, .ku-field select:focus, button:focus-visible, a:focus-visible { outline: 3px solid rgba(179, 138, 36, .3); outline-offset: 2px; }
.ku-field-error { min-height: 18px; margin-top: 5px; color: var(--ku-error); font-size: 12px; }
.ku-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 22px; }
.ku-button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 48px; padding: 13px 18px; border: 1px solid var(--ku-ink); border-radius: 999px; background: var(--ku-ink); color: #fff; cursor: pointer; font: 700 11px var(--ku-mono); letter-spacing: .05em; text-decoration: none; text-transform: uppercase; transition: transform .15s ease, background .15s ease; }
.ku-button:hover { background: var(--ku-gold-dark); border-color: var(--ku-gold-dark); transform: translateY(-1px); }
.ku-button--gold { border-color: var(--ku-gold); background: var(--ku-gold); color: #16120a; }
.ku-button--quiet { border-color: var(--ku-line); background: transparent; color: var(--ku-ink); }
.ku-button:disabled { cursor: not-allowed; opacity: .5; transform: none; }
.ku-status { min-height: 24px; margin-top: 14px; color: var(--ku-muted); font-size: 14px; }
.ku-status.is-success { color: var(--ku-success); }
.ku-status.is-error { color: var(--ku-error); }
.ku-badge { display: inline-flex; width: fit-content; padding: 7px 10px; border: 1px solid var(--ku-line); border-radius: 999px; color: var(--ku-muted); font: 700 10px var(--ku-mono); letter-spacing: .04em; text-transform: uppercase; }
.ku-badge--gold { border-color: #d5bd75; background: var(--ku-gold-soft); color: var(--ku-gold-dark); }
.ku-badge--success { border-color: #a8c9b5; background: #eef7f0; color: var(--ku-success); }
.ku-utility { position: sticky; top: 18px; }
.ku-utility ul { padding: 0; margin: 18px 0 0; list-style: none; }
.ku-utility li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--ku-line); color: var(--ku-muted); font-size: 14px; }
.ku-utility li strong { color: var(--ku-ink); text-align: right; }
.ku-document { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--ku-line); }
.ku-document:last-child { border-bottom: 0; }
.ku-document p { margin: 4px 0 0; font-size: 13px; }
.ku-document input[type=file] { max-width: 100%; margin-top: 10px; color: var(--ku-muted); font-size: 13px; }
.ku-review-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.ku-review-card { min-height: 100px; padding: 15px; border: 1px solid var(--ku-line); border-radius: 12px; background: #fff; }
.ku-review-card h3 { font: 700 11px var(--ku-mono); letter-spacing: .08em; text-transform: uppercase; }
.ku-review-card p { margin: 8px 0 0; font-size: 14px; white-space: pre-wrap; }
.ku-check { display: flex; align-items: flex-start; gap: 10px; margin-top: 18px; color: var(--ku-ink); font-size: 14px; }
.ku-check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--ku-gold-dark); }
.ku-required { color: var(--ku-error); font: 700 10px var(--ku-mono); text-transform: uppercase; }
.ku-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.ku-hidden { display: none !important; }
.ku-footer { padding: 20px 40px 34px; border-top: 1px solid var(--ku-line); color: var(--ku-muted); font-size: 12px; text-align: center; }
@media (max-width: 820px) {
  .ku-main { width: min(100% - 28px, 680px); padding-top: 36px; }
  .ku-grid { grid-template-columns: 1fr; }
  .ku-utility { position: static; }
  .ku-stagebar { gap: 6px; }
  .ku-stage { min-height: 84px; padding: 10px 8px; font-size: 9px; }
  .ku-stage strong { font-size: 14px; }
}
@media (max-width: 560px) {
  .ku-topbar { padding: 15px 16px; }
  .ku-toplink { font-size: 12px; }
  .ku-main { width: calc(100% - 24px); padding-bottom: 60px; }
  .ku-hero h1 { font-size: clamp(38px, 14vw, 58px); }
  .ku-stagebar { grid-template-columns: repeat(2, 1fr); margin-top: 28px; }
  .ku-stage { min-height: 66px; }
  .ku-form-grid, .ku-review-grid { grid-template-columns: 1fr; }
  .ku-field.is-full { grid-column: auto; }
  .ku-card { padding: 20px; border-radius: 14px; }
  .ku-document { grid-template-columns: 1fr; }
  .ku-document .ku-button { width: 100%; }
  .ku-button { width: 100%; }
  .ku-actions, .ku-hero-actions { align-items: stretch; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}