.ku-page { padding: 56px 0 100px; }
.ku-intro { text-align: center; max-width: 54ch; margin: 0 auto 30px; }
.ku-intro .hero__eyebrow { margin-bottom: 18px; }
.ku-intro h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -0.02em; margin: 0 0 10px; }
.ku-intro p { color: var(--ink-soft); margin: 0; line-height: 1.6; }

.ku-card { max-width: 520px; margin: 0 auto 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.ku-field { display: flex; flex-direction: column; gap: 8px; }
.ku-field label { font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); }
.ku-field input { border: 2px solid var(--line); border-radius: 12px; padding: 13px 16px; font-family: var(--font-mono); font-size: 1rem; font-weight: 600; background: var(--bg); color: var(--ink); transition: border-color var(--dur-fast) var(--ease); }
.ku-field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb, 11, 122, 85),0.12); }
.ku-quick-row { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.ku-quick { border: 1.5px solid var(--line); background: var(--bg); border-radius: 999px; padding: 7px 15px; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; color: var(--ink-soft); cursor: pointer; transition: all var(--dur-fast) var(--ease); }
.ku-quick:hover { border-color: var(--accent); color: var(--accent-ink); }

.ku-results { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.ku-big-card { text-align: center; background: var(--ink-invert); border-radius: var(--radius-lg); padding: 34px 28px; color: #fff; }
.ku-big-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.7; }
.ku-big-value { font-family: var(--font-display); font-size: clamp(3rem, 9vw, 4.2rem); font-weight: 700; line-height: 1.1; margin: 8px 0 6px; }
.ku-big-value small { font-size: 1.1rem; font-weight: 600; opacity: 0.8; }
.ku-big-sub { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.ku-big-chip { background: rgba(255,255,255,0.12); border-radius: 999px; padding: 7px 16px; font-size: 0.9rem; }
.ku-big-chip b { font-family: var(--font-mono); font-size: 1.05rem; }

.ku-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.ku-stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 16px 12px; text-align: center; }
.ku-stat b { display: block; font-family: var(--font-mono); font-size: 1.25rem; color: var(--accent-ink); margin-bottom: 4px; }
.ku-stat span { font-size: 0.72rem; color: var(--ink-soft); line-height: 1.4; display: block; }

.ku-progress { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 18px 20px; }
.ku-progress__labels { display: flex; justify-content: space-between; gap: 12px; font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 10px; flex-wrap: wrap; }
.ku-progress__pct { font-family: var(--font-mono); font-weight: 700; color: var(--accent-ink); }
.ku-progress__track { height: 10px; border-radius: 999px; background: var(--line); overflow: hidden; }
.ku-progress__fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), #0f9d94); border-radius: 999px; transition: width var(--dur-med) var(--ease); }

.ku-note { max-width: 720px; margin: 30px auto 0; background: rgba(var(--accent-rgb, 11, 122, 85),0.03); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px 24px; }
.ku-note h2 { font-family: var(--font-display); font-size: 1.05rem; margin: 0 0 8px; }
.ku-note p { font-size: 0.88rem; color: var(--ink-soft); line-height: 1.65; margin: 0; }

@media (max-width: 640px) {
  .ku-stats { grid-template-columns: repeat(2, 1fr); }
}