.est-card { max-width: 720px; margin: 0 auto; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: 0 8px 30px rgba(16, 27, 48, 0.06); }
.est-card h3 { margin-bottom: 0.35rem; }
.est-sub { color: var(--text-muted); margin-bottom: 1.5rem; }
.est-progress { margin-bottom: 1.75rem; }
.est-progress-top { display: flex; justify-content: space-between; align-items: center; min-height: 1.75rem; margin-bottom: 0.5rem; }
.est-step-label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.est-back { background: none; border: 0; font: inherit; font-size: 0.9rem; font-weight: 600; color: var(--accent-dark); cursor: pointer; }
.est-back:hover { text-decoration: underline; }
.est-bar { height: 6px; background: var(--accent-tint); border-radius: 99px; overflow: hidden; }
.est-bar-fill { height: 100%; width: 20%; background: var(--accent); border-radius: 99px; transition: width 0.25s ease; }

.est-options { display: grid; gap: 0.75rem; margin-bottom: 1.25rem; }
.est-grid { grid-template-columns: repeat(3, 1fr); }
.est-grid-2 { grid-template-columns: repeat(2, 1fr); }
.est-option { font: inherit; text-align: center; background: var(--bg); color: var(--dark); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 1.1rem 0.75rem; font-weight: 600; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.est-option:hover, .est-option:focus-visible { border-color: var(--accent); background: var(--bg-alt); outline: none; }
.est-option.is-selected { border-color: var(--accent); background: var(--accent-tint); }
.est-stack .est-option { display: grid; gap: 0.25rem; text-align: left; padding: 1.1rem 1.25rem; font-weight: 400; }
.est-stack .est-option strong { font-family: var(--font-display); font-size: 1.1rem; }
.est-stack .est-option span { color: var(--text-muted); }
.est-stack .est-option em { font-size: 0.85rem; color: var(--accent-dark); font-style: normal; }

.est-ai-details { margin-top: 0.5rem; }
.est-ai-details .form-grid { max-width: none; margin-bottom: 1rem; }
.est-strip { display: flex; justify-content: center; gap: 1rem; margin-bottom: 1.25rem; font-family: var(--font-display); font-size: 1.1rem; color: var(--accent-dark); }
.est-strip span { color: var(--line); }
.est-results { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.est-result { display: grid; gap: 0.3rem; text-align: center; padding: 1.25rem 1rem; border: 1.5px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); }
.est-result-ours { background: var(--accent-tint); border-color: var(--accent); }
.est-result-name { font-family: var(--font-display); font-weight: 700; color: var(--dark); }
.est-result-label { font-size: 0.8rem; color: var(--text-muted); }
.est-result-price { font-family: var(--font-display); font-size: 1.35rem; color: var(--dark); }
.est-result-ours .est-result-price { color: var(--accent-dark); }
.est-result-time { font-size: 0.9rem; color: var(--text-muted); }
#est-continue { width: 100%; }
#est-form { max-width: none; margin-bottom: 1rem; }
#est-form button { width: 100%; }
.est-card .form-note { margin-top: 0.5rem; }

.est-prose { max-width: 760px; margin-inline: auto; }
.est-down { margin-top: 2.5rem; }
.est-table-wrap { overflow-x: auto; margin-bottom: 1rem; }
.est-table-wrap .compare { min-width: 720px; background: var(--bg); }
.est-table-wrap small { color: var(--text-muted); }
.est-steps { list-style: none; counter-reset: est; max-width: 760px; margin: 0 auto 1.5rem; padding: 0; display: grid; gap: 1.25rem; }
.est-steps li { counter-increment: est; position: relative; padding-left: 3.5rem; }
.est-steps li::before { content: counter(est); position: absolute; left: 0; top: 0; width: 2.25rem; height: 2.25rem; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; }
.est-steps h3 { margin-bottom: 0.25rem; }

@media (max-width: 640px) {
  .est-card { padding: 1.25rem; }
  .est-grid { grid-template-columns: repeat(2, 1fr); }
  .est-results { grid-template-columns: 1fr; }
}