/* ══════════════════════════════════════════
   Resin & Stone Quote Builder — Front CSS
   ══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=Albert+Sans:wght@400;500;600;700;800&display=swap');

.rsqb-plugin {
  --stone-950: #0f0f0d; --stone-900: #1a1a17; --stone-800: #2a2a24;
  --stone-700: #3d3d35; --stone-600: #5a5a4f; --stone-500: #7a7a6e;
  --stone-400: #9e9e91; --stone-300: #c4c4b8; --stone-200: #e0e0d6;
  --stone-100: #f0f0ea; --stone-50: #f8f8f4; --amber-500: #495261;
  --amber-400: #5d6a7a; --amber-300: #7a8694; --amber-600: #3b4350;
  --white: #ffffff;
  --font-display: 'Albert Sans', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 12px; --radius-lg: 16px;
  --shadow-soft: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.1);
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  font-family: var(--font-body);
  color: var(--stone-900);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}
.rsqb-plugin *, .rsqb-plugin *::before, .rsqb-plugin *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Header ── */
.rsqb-header { text-align: center; margin-bottom: 32px; }
.rsqb-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--amber-500); color: var(--white);
  font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 16px;
}
.rsqb-header h2 {
  font-family: var(--font-display); font-size: clamp(26px,5vw,36px);
  font-weight: 600; color: var(--stone-950); line-height: 1.2; margin-bottom: 8px;
}
.rsqb-header p { color: var(--stone-500); font-size: 15px; max-width: 400px; margin: 0 auto; line-height: 1.5; }

/* ── Progress ── */
.rsqb-progress-bar { display: flex; gap: 4px; margin-bottom: 28px; padding: 0 4px; }
.rsqb-progress-seg { flex: 1; height: 4px; background: var(--stone-200); border-radius: 100px; overflow: hidden; transition: var(--transition); }
.rsqb-progress-seg .fill { width: 0; height: 100%; background: var(--amber-500); border-radius: 100px; transition: width 0.6s cubic-bezier(0.16,1,0.3,1); }
.rsqb-progress-seg.active .fill, .rsqb-progress-seg.completed .fill { width: 100%; }
.rsqb-progress-info { display: flex; justify-content: space-between; margin-bottom: 8px; padding: 0 4px; }
.rsqb-step-label { font-size: 13px; font-weight: 500; color: var(--stone-500); }
.rsqb-step-count { font-size: 13px; font-weight: 600; color: var(--amber-500); }

/* ── Card ── */
.rsqb-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: hidden; }

/* ── Steps ── */
.rsqb-step { display: none; padding: 36px 32px 32px; animation: rsqbStepIn 0.5s cubic-bezier(0.16,1,0.3,1) forwards; }
.rsqb-step.active { display: block; }
@keyframes rsqbStepIn { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
.rsqb-step-title { font-family: var(--font-display); font-size: 22px; font-weight: 600; color: var(--stone-950); margin-bottom: 6px; }
.rsqb-step-subtitle { font-size: 14px; color: var(--stone-500); margin-bottom: 24px; line-height: 1.5; }

/* ── Option Grid ── */
.rsqb-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.rsqb-option { position: relative; cursor: pointer; }
.rsqb-option input { display: none; }
.rsqb-option label {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 20px 12px; border: 2px solid var(--stone-200); border-radius: var(--radius);
  cursor: pointer; transition: var(--transition); text-align: center; background: var(--stone-50);
}
.rsqb-option label:hover { border-color: var(--stone-300); background: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.rsqb-option input:checked + label { border-color: var(--amber-500); background: linear-gradient(135deg,rgba(73,82,97,0.06),rgba(73,82,97,0.02)); box-shadow: 0 0 0 1px var(--amber-500); }
.rsqb-option input:checked + label .rsqb-icon { background: var(--amber-500); color: var(--white); }
.rsqb-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--stone-200); display: flex; align-items: center; justify-content: center; font-size: 20px; transition: var(--transition); }
.rsqb-option-name { font-size: 13px; font-weight: 600; color: var(--stone-800); line-height: 1.3; }

/* ── Surface ── */
.rsqb-surface-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rsqb-surface label { padding: 28px 16px; gap: 12px; }
.rsqb-surface-visual { width: 56px; height: 56px; border-radius: 50%; background: var(--stone-300); display: flex; align-items: center; justify-content: center; font-size: 24px; transition: var(--transition); }
.rsqb-surface input:checked + label .rsqb-surface-visual { background: var(--amber-500); }
.rsqb-surface-label { font-size: 15px; font-weight: 600; color: var(--stone-800); }
.rsqb-surface-desc { font-size: 12px; color: var(--stone-500); line-height: 1.4; }

/* ── Form Inputs ── */
.rsqb-form-group { margin-bottom: 20px; }
.rsqb-form-group:last-child { margin-bottom: 0; }
.rsqb-label { display: block; font-size: 13px; font-weight: 600; color: var(--stone-700); margin-bottom: 8px; }
.rsqb-input {
  width: 100%; padding: 14px 16px; border: 2px solid var(--stone-200); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 15px; color: var(--stone-900); background: var(--stone-50);
  transition: var(--transition); outline: none;
}
.rsqb-input::placeholder { color: var(--stone-400); }
.rsqb-input:focus { border-color: var(--amber-500); background: var(--white); box-shadow: 0 0 0 3px rgba(73,82,97,0.12); }
.rsqb-input.error { border-color: #d4463a; }
.rsqb-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rsqb-unit-wrap { position: relative; }
.rsqb-unit-wrap .rsqb-unit { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 13px; font-weight: 500; color: var(--stone-400); pointer-events: none; }
.rsqb-unit-wrap .rsqb-input { padding-right: 44px; }

/* ── Estimate Card ── */
.rsqb-estimate {
  background: linear-gradient(135deg, var(--stone-950) 0%, var(--stone-800) 100%);
  border-radius: var(--radius); padding: 32px 28px; text-align: center; position: relative; overflow: hidden;
}
.rsqb-estimate::before { content:''; position:absolute; top:-40%; right:-20%; width:200px; height:200px; background:radial-gradient(circle,rgba(73,82,97,0.15) 0%,transparent 70%); pointer-events:none; }
.rsqb-estimate::after { content:''; position:absolute; bottom:-30%; left:-10%; width:160px; height:160px; background:radial-gradient(circle,rgba(73,82,97,0.1) 0%,transparent 70%); pointer-events:none; }
.rsqb-estimate > * { position: relative; z-index: 1; }
.rsqb-est-badge { display:inline-flex; align-items:center; gap:6px; background:rgba(73,82,97,0.2); color:var(--amber-300); font-size:11px; font-weight:600; letter-spacing:1.5px; text-transform:uppercase; padding:5px 14px; border-radius:100px; margin-bottom:16px; }
.rsqb-est-service { font-size:14px; color:var(--stone-400); margin-bottom:6px; }
.rsqb-est-price { font-family:var(--font-display); font-size:clamp(32px,6vw,44px); font-weight:700; color:var(--white); line-height:1.2; margin-bottom:4px; }
.rsqb-est-price .from { font-size:16px; font-weight:400; color:var(--stone-400); display:block; margin-bottom:4px; font-family:var(--font-body); }
.rsqb-est-area { font-size:13px; color:var(--stone-400); margin-bottom:20px; }
.rsqb-est-divider { width:40px; height:2px; background:var(--amber-500); margin:0 auto 16px; border-radius:2px; }
.rsqb-est-note { font-size:12px; color:var(--stone-500); line-height:1.5; max-width:320px; margin:0 auto; }
.rsqb-est-cta { margin-top:24px; padding-top:20px; border-top:1px solid rgba(255,255,255,0.08); }
.rsqb-est-cta-text { font-size:14px; font-weight:500; color:var(--amber-400); display:flex; align-items:center; justify-content:center; gap:6px; }
.rsqb-est-cta-text .bounce { display:inline-block; animation:rsqbBounce 1.5s ease infinite; }
@keyframes rsqbBounce { 0%,100%{transform:translateX(0)} 50%{transform:translateX(4px)} }
.rsqb-rate-cards { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:20px; }
.rsqb-rate-card { background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.08); border-radius:10px; padding:16px 12px; }
.rsqb-rate-label { font-size:11px; text-transform:uppercase; letter-spacing:1px; color:var(--stone-500); margin-bottom:6px; }
.rsqb-rate-price { font-family:var(--font-display); font-size:22px; font-weight:700; color:var(--white); }
.rsqb-rate-unit { font-size:12px; color:var(--stone-400); font-family:var(--font-body); font-weight:400; }

/* ── Postcode ── */
.rsqb-pc-wrap { position: relative; }
.rsqb-pc-results { position:absolute; top:calc(100% + 4px); left:0; right:0; background:var(--white); border:2px solid var(--stone-200); border-radius:var(--radius); box-shadow:var(--shadow-md); max-height:200px; overflow-y:auto; z-index:100; display:none; }
.rsqb-pc-results.show { display:block; }
.rsqb-pc-item { padding:12px 16px; font-size:14px; color:var(--stone-700); cursor:pointer; transition:background 0.15s; border-bottom:1px solid var(--stone-100); }
.rsqb-pc-item:last-child { border-bottom:none; }
.rsqb-pc-item:hover { background:var(--stone-50); color:var(--stone-900); }
.rsqb-address { margin-top:10px; padding:12px 16px; background:var(--stone-50); border-radius:var(--radius); border:1px solid var(--stone-200); font-size:14px; color:var(--stone-600); display:none; }
.rsqb-address.show { display:block; }

/* ── Time Grid ── */
.rsqb-time-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.rsqb-time label { padding:16px 10px; gap:4px; }
.rsqb-time-emoji { font-size:20px; margin-bottom:2px; }
.rsqb-time-name { font-size:13px; font-weight:600; color:var(--stone-800); }
.rsqb-time-range { font-size:11px; color:var(--stone-500); }

/* ── Nav ── */
.rsqb-nav { display:flex; justify-content:space-between; align-items:center; padding:20px 32px 28px; gap:12px; }
.rsqb-btn {
  font-family:var(--font-body); font-size:14px; font-weight:600; padding:14px 28px;
  border-radius:var(--radius); border:none; cursor:pointer; transition:var(--transition);
  display:inline-flex; align-items:center; gap:8px;
}
.rsqb-btn-back { background:transparent; color:var(--stone-500); padding:14px 20px; }
.rsqb-btn-back:hover { color:var(--stone-800); }
.rsqb-btn-next { background:var(--stone-950); color:var(--white); margin-left:auto; }
.rsqb-btn-next:hover { background:var(--stone-800); transform:translateY(-1px); box-shadow:0 4px 16px rgba(0,0,0,0.15); }
.rsqb-btn-submit { background:var(--amber-500); color:var(--white); margin-left:auto; padding:14px 36px; }
.rsqb-btn-submit:hover { background:var(--amber-600); transform:translateY(-1px); box-shadow:0 4px 16px rgba(73,82,97,0.3); }
.rsqb-btn-est { background:var(--amber-500); color:var(--white); margin-left:auto; padding:14px 32px; }
.rsqb-btn-est:hover { background:var(--amber-600); transform:translateY(-1px); box-shadow:0 4px 16px rgba(73,82,97,0.3); }

/* ── Success ── */
.rsqb-success { display:none; text-align:center; padding:48px 32px; animation:rsqbStepIn 0.5s cubic-bezier(0.16,1,0.3,1) forwards; }
.rsqb-success.active { display:block; }
.rsqb-success-icon { width:72px; height:72px; border-radius:50%; background:linear-gradient(135deg,var(--amber-500),var(--amber-400)); display:flex; align-items:center; justify-content:center; margin:0 auto 20px; font-size:32px; animation:rsqbPop 0.6s cubic-bezier(0.16,1,0.3,1) 0.2s both; }
@keyframes rsqbPop { from{transform:scale(0);opacity:0} 50%{transform:scale(1.15)} to{transform:scale(1);opacity:1} }
.rsqb-success h3 { font-family:var(--font-display); font-size:24px; font-weight:600; color:var(--stone-950); margin-bottom:8px; }
.rsqb-success p { font-size:14px; color:var(--stone-500); line-height:1.6; max-width:340px; margin:0 auto; }

@keyframes rsqbShake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)} }
.rsqb-shake { animation: rsqbShake 0.3s ease; }

/* Animation helpers */
.rsqb-anim { animation: rsqbFadeUp 0.6s cubic-bezier(0.16,1,0.3,1) forwards; }
@keyframes rsqbFadeUp { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
.rsqb-d1{animation-delay:0.1s;opacity:0} .rsqb-d2{animation-delay:0.25s;opacity:0} .rsqb-d3{animation-delay:0.4s;opacity:0} .rsqb-d4{animation-delay:0.55s;opacity:0}

/* ── Responsive ── */
@media(max-width:520px) {
  .rsqb-plugin { max-width: 100%; }
  .rsqb-header { margin-bottom: 20px; }
  .rsqb-header h2 { font-size: 24px; }
  .rsqb-header p { font-size: 14px; }
  .rsqb-card { border-radius: 10px; }
  .rsqb-step { padding: 24px 16px 20px; }
  .rsqb-nav { padding: 14px 16px 20px; }
  .rsqb-grid { gap: 8px; }
  .rsqb-option label { padding: 14px 8px; }
  .rsqb-icon { width: 36px; height: 36px; font-size: 16px; }
  .rsqb-option-name { font-size: 12px; }
  .rsqb-row { grid-template-columns: 1fr; }
  .rsqb-time-grid { gap: 8px; }
  .rsqb-estimate { padding: 22px 16px; }
  .rsqb-est-price { font-size: 30px; }
  .rsqb-progress-bar { padding: 0; }
  .rsqb-progress-info { padding: 0; }
  .rsqb-success { padding: 36px 16px; }
}
@media(max-width:390px) {
  .rsqb-header { margin-bottom: 16px; }
  .rsqb-card { border-radius: 8px; }
  .rsqb-step { padding: 20px 14px 18px; }
  .rsqb-nav { padding: 12px 14px 18px; }
  .rsqb-step-title { font-size: 19px; }
  .rsqb-step-subtitle { font-size: 13px; margin-bottom: 18px; }
  .rsqb-surface-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .rsqb-surface label { padding: 20px 10px; }
  .rsqb-surface-visual { width: 44px; height: 44px; font-size: 20px; }
  .rsqb-surface-label { font-size: 13px; }
  .rsqb-time-grid { grid-template-columns: repeat(3,1fr); gap: 6px; }
  .rsqb-time label { padding: 12px 4px; }
  .rsqb-input { padding: 12px 14px; font-size: 14px; }
}