:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface2: #f0efe9;
  --border: rgba(0,0,0,0.1);
  --border-md: rgba(0,0,0,0.18);
  --text: #18181a;
  --text-muted: #6b6b72;
  --text-hint: #9b9ba4;
  --accent: #1a56db;
  --accent-light: #e8effe;
  --green: #0e9f6e;
  --green-light: #e3f9f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 99px;
  --shadow: 0 2px 12px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.10);
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 0;
}

/* Top bar */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.03em;
}
.logo span { color: var(--accent); }
.logo a {
  text-decoration: none;
  color: var(--text);
}
.topbar-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface2);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
}

/* Layout */
.page {
  max-width: 740px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* Header */
.page-header {
  margin-bottom: 2.5rem;
  animation: fadeUp 0.5s ease both;
}
.page-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.page-title {
  font-family: 'Syne', sans-serif;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 10px;
}
.page-sub {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 500px;
}

/* Progress */
.progress-wrap {
  margin-bottom: 2rem;
  animation: fadeUp 0.5s 0.05s ease both;
}
.progress-labels {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
}
.progress-labels::-webkit-scrollbar { display: none; }
.p-label {
  flex: 1;
  min-width: 80px;
  padding: 8px 6px;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-hint);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1.3;
  white-space: nowrap;
}
.p-label .p-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-hint);
}
.p-label.active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}
.p-label.active .p-num { color: #fff; }
.p-label.done {
  background: var(--green-light);
  color: var(--green);
  border-color: rgba(14,159,110,0.2);
}
.p-label.done .p-num { color: var(--green); }
.progress-bar-track {
  height: 3px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--text);
  border-radius: 99px;
  transition: width 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* Sections */
.form-section { display: none; }
.form-section.active { display: block; animation: fadeUp 0.3s ease both; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.card-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.card-title-text {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

/* Fields */
.field { margin-bottom: 1.1rem; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 7px;
}
.field .hint {
  font-size: 12px;
  color: var(--text-hint);
  margin-top: 5px;
  line-height: 1.4;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media(max-width:520px){ .grid2 { grid-template-columns: 1fr; } }

input[type=text], input[type=email], input[type=tel], input[type=url], select, textarea {
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  outline: none;
  transition: border 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
textarea { resize: vertical; min-height: 88px; line-height: 1.55; }
select { cursor: pointer; }
input::placeholder, textarea::placeholder { color: var(--text-hint); }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.chip {
  padding: 7px 14px;
  border: 1px solid var(--border-md);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface2);
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
}
.chip:hover { border-color: var(--text); color: var(--text); }
.chip.selected {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

/* Color picker */
.color-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 6px; }
.color-dot {
  width: 30px; height: 30px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s, border-color 0.15s;
  flex-shrink: 0;
  outline: 3px solid transparent;
  outline-offset: 2px;
}
.color-dot:hover { transform: scale(1.1); }
.color-dot.selected { outline-color: var(--text); transform: scale(1.12); }
input[type=color] {
  width: 30px; height: 30px;
  padding: 0; border-radius: 50%;
  border: 1px solid var(--border-md);
  cursor: pointer; overflow: hidden;
  background: none;
}

/* Reference sites */
.ref-row { display: flex; gap: 8px; align-items: center; }
.ref-row input { flex: 1; }
.btn-add {
  padding: 10px 14px;
  border: 1px solid var(--border-md);
  border-radius: var(--radius-sm);
  background: var(--surface2);
  color: var(--text-muted);
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  font-weight: 500;
}
.btn-add:hover { background: var(--text); color: #fff; border-color: var(--text); }
.ref-list { margin-top: 8px; display: flex; flex-direction: column; gap: 5px; }
.ref-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-muted);
}
.ref-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 80%; }
.ref-item button {
  background: none; border: none; cursor: pointer;
  color: var(--text-hint); font-size: 16px; padding: 2px 4px;
  transition: color 0.15s; line-height: 1;
}
.ref-item button:hover { color: #e02424; }

/* Budget slider */
.budget-row { display: flex; align-items: center; gap: 14px; }
.budget-row input[type=range] {
  flex: 1; height: 4px; padding: 0;
  background: none; border: none; box-shadow: none;
  -webkit-appearance: none; cursor: pointer;
}
.budget-row input[type=range]::-webkit-slider-runnable-track {
  height: 4px; background: var(--border); border-radius: 99px;
}
.budget-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--text); margin-top: -7px;
  border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: transform 0.15s;
}
.budget-row input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); }
.budget-row input[type=range]::-moz-range-track {
  height: 4px; background: var(--border); border-radius: 99px; border: none;
}
.budget-row input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--text);
  border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: transform 0.15s; cursor: pointer;
}
.budget-row input[type=range]::-moz-range-thumb:hover { transform: scale(1.2); }
.budget-val {
  font-family: 'Syne', sans-serif;
  font-size: 16px; font-weight: 700;
  color: var(--text); min-width: 80px; text-align: right;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.btn {
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.18s;
  border: 1px solid var(--border-md);
  background: var(--surface);
  color: var(--text);
}
.btn:hover { background: var(--surface2); }
.btn-primary {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.nav-step-info { font-size: 13px; color: var(--text-hint); font-weight: 500; }

/* Success */
.success-wrap {
  display: none;
  text-align: center;
  padding: 3rem 1.5rem;
  animation: fadeUp 0.4s ease both;
}
.success-wrap.active { display: block; }
.success-icon-ring {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--green-light);
  border: 2px solid rgba(14,159,110,0.25);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 30px;
}
.success-title {
  font-family: 'Syne', sans-serif;
  font-size: 26px; font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.success-sub { font-size: 15px; color: var(--text-muted); line-height: 1.65; max-width: 400px; margin: 0 auto 2rem; }
.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: left;
  box-shadow: var(--shadow);
  max-width: 520px;
  margin: 0 auto;
}
.summary-title {
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-hint);
  margin-bottom: 1rem; padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.summary-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.summary-row:last-child { border-bottom: none; }
.summary-key { color: var(--text-muted); font-weight: 500; flex-shrink: 0; }
.summary-val { color: var(--text); font-weight: 500; text-align: right; }

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Footer */
.page-footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-hint);
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.page-footer a { color: var(--accent); text-decoration: none; }

/* Required star */
.req { color: #e02424; margin-left: 2px; }

/* Modal */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; padding: 1rem; }
.modal.active { display: flex; }
.modal-content { background: var(--surface); border-radius: var(--radius); max-width: 600px; width: 100%; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-md); }
.modal-header { padding: 1.5rem; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 700; color: var(--text); }
.modal-close { background: none; border: none; font-size: 24px; color: var(--text-hint); cursor: pointer; padding: 0; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 1.5rem; }
.preview-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.preview-row:last-child { border-bottom: none; }
.preview-key { font-weight: 600; color: var(--text-muted); flex: 0.4; }
.preview-val { color: var(--text); flex: 0.6; text-align: right; word-wrap: break-word; }
.modal-actions { display: flex; gap: 10px; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.modal-actions .btn { flex: 1; }

/* Share buttons */
.share-wrap { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.share-title { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 600; margin-bottom: 1rem; color: var(--text); }
.share-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.share-btn { padding: 10px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface2); color: var(--text); font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.15s; display: flex; align-items: center; gap: 6px; text-decoration: none; }
.share-btn:hover { background: var(--text); color: #fff; }
.share-btn.whatsapp:hover { background: #25d366; border-color: #25d366; }
.share-btn.email:hover { background: #ea4335; border-color: #ea4335; }
.share-btn.twitter:hover { background: #1da1f2; border-color: #1da1f2; }
.share-btn.facebook:hover { background: #1877f2; border-color: #1877f2; }
.share-btn.linkedin:hover { background: #0a66c2; border-color: #0a66c2; }
.share-btn.download:hover { background: #0e9f6e; border-color: #0e9f6e; }