/*
 * RoboThings Product Casing Design Quotation System
 * Design system: Industrial Warmth
 * Signature element: Exploded-view enclosure animation
 */

/* ── Tokens ── */
:root {
  --r-amber:      #f97316;   /* signature accent — molten-metal orange */
  --r-amber-d:    #ea580c;
  --r-amber-l:    #fed7aa;
  --r-navy:       #0f172a;   /* dark hero panels */
  --r-slate:      #1e293b;
  --r-slate-m:    #334155;
  --r-muted:      #64748b;
  --r-border:     #e2e8f0;
  --r-bg:         #f8fafc;
  --r-white:      #ffffff;
  --r-green:      #16a34a;
  --r-green-l:    #22c55e;
  --r-text:       #1e293b;

  --r-rad:        14px;
  --r-rad-sm:     8px;
  --r-shadow:     0 4px 24px rgba(15,23,42,.10);
  --r-shadow-lg:  0 16px 56px rgba(15,23,42,.18);
  --r-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --r-ease:       cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
.renc-root {
  font-family: var(--r-font);
  color: var(--r-text);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
  background: var(--r-bg);
}
.renc-root *, .renc-root *::before, .renc-root *::after { box-sizing: inherit; }

/* ════════════════════════════════
   TRUST BAR
════════════════════════════════ */
.renc-trust-bar {
  background: var(--r-navy);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #94a3b8;
  font-weight: 500;
  letter-spacing: .2px;
}
.renc-sep { color: #334155; }

/* ════════════════════════════════
   LAYOUT
════════════════════════════════ */
.renc-layout {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  align-items: start;
}

/* ════════════════════════════════
   LEFT PANEL
════════════════════════════════ */
.renc-left { padding-right: 48px; }

.renc-eyebrow {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--r-amber);
  margin: 0 0 14px;
}

.renc-headline {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--r-navy);
  margin: 0 0 18px;
  letter-spacing: -1px;
}
.renc-accent {
  color: var(--r-amber);
  position: relative;
}
.renc-accent::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--r-amber);
  opacity: .3;
  border-radius: 2px;
}

.renc-sub {
  font-size: 17px;
  color: var(--r-muted);
  line-height: 1.65;
  margin: 0 0 28px;
  max-width: 480px;
}

/* CTA row */
.renc-cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.renc-btn-primary {
  background: var(--r-amber);
  color: var(--r-white);
  border: none;
  padding: 14px 28px;
  border-radius: var(--r-rad);
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  font-family: var(--r-font);
  transition: all .2s var(--r-ease);
  box-shadow: 0 4px 20px rgba(249,115,22,.35);
  letter-spacing: .2px;
}
.renc-btn-primary:hover {
  background: var(--r-amber-d);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(249,115,22,.45);
}
.renc-btn-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25d366;
  color: var(--r-white);
  padding: 14px 22px;
  border-radius: var(--r-rad);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all .2s var(--r-ease);
}
.renc-btn-wa:hover { background: #128c7e; transform: translateY(-2px); }

/* ── Animated SVG wrapper ── */
.renc-anim-wrap {
  position: relative;
  margin-bottom: 36px;
}
.renc-svg {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: 16px;
  display: block;
  box-shadow: 0 8px 40px rgba(15,23,42,.35);
}

/* SVG layer animations */
@keyframes rg-lid-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-22px); }
}
@keyframes rg-pcb-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
@keyframes rg-scan-move {
  0%   { transform: translateY(0); opacity:.5; }
  50%  { opacity:.2; }
  100% { transform: translateY(300px); opacity:.5; }
}
@keyframes rg-glow-pulse {
  0%,100% { opacity:.6; }
  50%      { opacity:1; }
}

.rg-lid  { animation: rg-lid-float  3.6s ease-in-out infinite; }
.rg-pcb  { animation: rg-pcb-float  3.6s ease-in-out .6s infinite; }
.rg-scan { animation: rg-scan-move  4s linear infinite; }

/* Floating tags beside SVG */
.rg-tag {
  position: absolute;
  background: var(--r-slate);
  border: 1px solid rgba(249,115,22,.3);
  color: #e2e8f0;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 100px;
  white-space: nowrap;
  pointer-events: none;
  animation: rg-glow-pulse 3s ease-in-out infinite;
}
.rg-tag-1 { top: 18%;  right: -4%;  animation-delay: 0s; }
.rg-tag-2 { top: 48%;  right: -6%;  animation-delay: 1s; }
.rg-tag-3 { top: 74%;  right: -3%;  animation-delay: 2s; }

/* ── Example chips ── */
.renc-examples { margin-bottom: 8px; }
.renc-examples-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--r-muted);
  margin: 0 0 10px;
}
.renc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.renc-chips span {
  background: var(--r-white);
  border: 1.5px solid var(--r-border);
  color: var(--r-slate-m);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 12.5px;
  font-weight: 500;
  transition: all .15s;
}
.renc-chips span:hover { border-color: var(--r-amber); color: var(--r-amber); }

/* ════════════════════════════════
   FORM CARD
════════════════════════════════ */
.renc-right { position: sticky; top: 16px; }
.renc-card {
  background: var(--r-white);
  border-radius: 24px;
  box-shadow: var(--r-shadow-lg);
  padding: 32px 28px;
  border: 1px solid var(--r-border);
}

/* ── Progress ── */
.renc-prog-wrap {
  height: 3px;
  background: var(--r-border);
  border-radius: 100px;
  margin-bottom: 20px;
  overflow: hidden;
}
.renc-prog-fill {
  height: 100%;
  width: 20%;
  background: linear-gradient(90deg, var(--r-amber), #fb923c);
  border-radius: 100px;
  transition: width .4s var(--r-ease);
}

/* Step dots row */
.renc-steps-row {
  display: flex;
  align-items: center;
  margin-bottom: 28px;
  gap: 0;
}
.renc-sdot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--r-border);
  background: var(--r-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .25s var(--r-ease);
}
.renc-sdot-n {
  font-size: 12px;
  font-weight: 700;
  color: var(--r-muted);
  transition: color .25s;
}
.renc-sdot.is-active {
  border-color: var(--r-amber);
  background: var(--r-amber);
  box-shadow: 0 0 0 4px rgba(249,115,22,.18);
}
.renc-sdot.is-active .renc-sdot-n { color: #fff; }
.renc-sdot.is-done {
  border-color: var(--r-green-l);
  background: var(--r-green-l);
}
.renc-sdot.is-done .renc-sdot-n { color: #fff; }
.renc-sline {
  flex: 1;
  height: 2px;
  background: var(--r-border);
  transition: background .3s;
}
.renc-sline.is-done { background: var(--r-green-l); }

/* ── Step content ── */
.renc-step { animation: renc-in .22s var(--r-ease); }
@keyframes renc-in {
  from { opacity:0; transform: translateX(14px); }
  to   { opacity:1; transform: translateX(0); }
}

.renc-step-h {
  font-size: 20px;
  font-weight: 800;
  color: var(--r-navy);
  margin: 0 0 5px;
  letter-spacing: -.3px;
}
.renc-step-p {
  font-size: 14px;
  color: var(--r-muted);
  margin: 0 0 20px;
}
.renc-opt { color: var(--r-muted); font-size: 13px; font-weight: 400; }
.renc-req { color: #ef4444; }

/* ── Service grid ── */
.renc-service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-bottom: 12px;
}
.renc-svc-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 13px;
  border: 2px solid var(--r-border);
  border-radius: 13px;
  cursor: pointer;
  transition: all .18s var(--r-ease);
  user-select: none;
  background: var(--r-white);
  position: relative;
}
.renc-svc-card:hover {
  border-color: var(--r-amber);
  background: #fff7ed;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(249,115,22,.14);
}
.renc-svc-card.is-sel {
  border-color: var(--r-amber);
  background: linear-gradient(135deg, #fff7ed, #fff);
  box-shadow: 0 0 0 4px rgba(249,115,22,.15);
}
.renc-svc-card.is-sel::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 10px;
  width: 18px;
  height: 18px;
  background: var(--r-amber);
  color: #fff;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 18px;
  text-align: center;
}
.renc-svc-ico { font-size: 22px; }
.renc-svc-card strong { font-size: 13px; font-weight: 700; color: var(--r-navy); line-height: 1.2; }
.renc-svc-card small  { font-size: 11px; color: var(--r-muted); }

/* ── Drop zone ── */
.renc-drop {
  position: relative;
  border: 2px dashed var(--r-border);
  border-radius: var(--r-rad);
  background: var(--r-bg);
  transition: all .2s var(--r-ease);
  overflow: hidden;
  min-height: 140px;
}
.renc-drop.is-over {
  border-color: var(--r-amber);
  background: #fff7ed;
}
.renc-drop-body {
  padding: 32px 16px;
  text-align: center;
  pointer-events: none;
}
.renc-drop-icon { font-size: 32px; margin-bottom: 8px; }
.renc-drop-main { font-weight: 700; font-size: 15px; color: var(--r-navy); margin: 0 0 4px; }
.renc-drop-hint { font-size: 13px; color: var(--r-muted); margin: 0 0 10px; }
.renc-drop-types {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--r-muted);
  background: var(--r-border);
  padding: 4px 12px;
  border-radius: 100px;
}
.renc-file-list { margin-top: 10px; }
.renc-fi {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--r-border);
  border-radius: 10px;
  background: var(--r-white);
  margin-bottom: 6px;
  font-size: 13px;
  animation: renc-in .18s var(--r-ease);
}
.renc-fi-name { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-weight:500; }
.renc-fi-size { color: var(--r-muted); font-size: 11px; flex-shrink:0; }
.renc-fi-rm   { cursor:pointer; color:#ef4444; font-size:18px; line-height:1; flex-shrink:0; padding: 2px; }
.renc-tip {
  margin-top: 10px;
  padding: 10px 14px;
  background: #eff6ff;
  border-radius: 10px;
  font-size: 13px;
  color: #1d4ed8;
}

/* ── Form fields ── */
.renc-fgroup { margin-bottom: 18px; }
.renc-frow   { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.renc-label  { display:block; font-size: 13px; font-weight: 700; color: var(--r-navy); margin-bottom: 7px; }

.renc-input, .renc-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--r-border);
  border-radius: 12px;
  font-size: 15px;
  font-family: var(--r-font);
  color: var(--r-navy);
  background: var(--r-white);
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  -webkit-appearance: none;
}
.renc-input:focus, .renc-textarea:focus {
  border-color: var(--r-amber);
  box-shadow: 0 0 0 4px rgba(249,115,22,.13);
}
.renc-input.is-err, .renc-textarea.is-err {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}
.renc-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.65;
}
.renc-char { text-align:right; font-size:11px; color:var(--r-muted); margin-top: 4px; }
.renc-err  { font-size: 12px; color:#ef4444; min-height: 16px; margin-top: 3px; }

/* ── Radio cards ── */
.renc-radio-row { display:flex; gap:8px; flex-wrap:wrap; }
.renc-radio-card {
  flex: 1;
  min-width: 120px;
  cursor: pointer;
}
.renc-radio-card input { display:none; }
.renc-radio-card span {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 3px;
  padding: 11px 10px;
  border: 2px solid var(--r-border);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  transition: all .18s var(--r-ease);
  background: var(--r-white);
  color: var(--r-navy);
  line-height: 1.3;
}
.renc-radio-card span small {
  font-size: 10px;
  font-weight: 400;
  color: var(--r-muted);
}
.renc-radio-card input:checked + span {
  border-color: var(--r-amber);
  background: #fff7ed;
  color: var(--r-amber-d);
  box-shadow: 0 0 0 3px rgba(249,115,22,.15);
}
.renc-radio-card:hover span { border-color: var(--r-amber); }
.renc-size-row .renc-radio-card { min-width: 80px; }

/* ── Cost estimator ── */
.renc-estimator {
  margin-top: 16px;
  background: var(--r-bg);
  border: 1px solid var(--r-border);
  border-radius: var(--r-rad);
  padding: 16px;
  animation: renc-in .25s var(--r-ease);
}
.renc-est-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.renc-est-badge {
  background: var(--r-amber);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: .3px;
}
.renc-est-note { font-size: 11px; color: var(--r-muted); }
.renc-est-tiers { display:flex; flex-direction:column; gap: 6px; margin-bottom: 10px; }
.renc-tier {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 12px;
  border: 1.5px solid var(--r-border);
  border-radius: 10px;
  background: var(--r-white);
  opacity: .55;
  transition: all .2s;
}
.renc-tier.is-active {
  border-color: var(--r-amber);
  background: #fff7ed;
  opacity: 1;
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}
.renc-tier-label { font-size: 13px; font-weight: 600; color: var(--r-navy); }
.renc-tier-price { font-size: 14px; font-weight: 800; color: var(--r-amber-d); }
.renc-est-your {
  padding: 10px 12px;
  background: #fff7ed;
  border-radius: 10px;
  font-size: 14px;
  color: var(--r-amber-d);
  margin-bottom: 6px;
  animation: renc-in .2s var(--r-ease);
}
.renc-est-disc { font-size: 11px; color: var(--r-muted); margin: 0; }

/* ── Additional services ── */
.renc-addons { margin-top: 20px; border-top: 1px solid var(--r-border); padding-top: 16px; }
.renc-addons-label { font-size: 12px; font-weight: 700; color: var(--r-muted); text-transform: uppercase; letter-spacing: 1px; margin: 0 0 10px; }
.renc-addon-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.renc-addon-cb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1.5px solid var(--r-border);
  border-radius: 9px;
  cursor: pointer;
  transition: all .15s;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--r-slate-m);
  background: var(--r-white);
}
.renc-addon-cb:hover { border-color: var(--r-amber); color: var(--r-amber-d); }
.renc-addon-cb input[type=checkbox] { accent-color: var(--r-amber); width:15px; height:15px; flex-shrink:0; }
.renc-addon-cb input:checked ~ span { color: var(--r-amber-d); font-weight: 700; }

/* ── Navigation buttons ── */
.renc-nav {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.renc-back-btn {
  background: transparent;
  border: 2px solid var(--r-border);
  color: var(--r-muted);
  padding: 13px 18px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--r-font);
  transition: all .18s;
}
.renc-back-btn:hover { border-color: var(--r-slate-m); color: var(--r-slate-m); }
.renc-next-btn {
  flex: 1;
  background: var(--r-amber);
  color: var(--r-white);
  border: none;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  font-family: var(--r-font);
  transition: all .2s var(--r-ease);
  box-shadow: 0 4px 16px rgba(249,115,22,.3);
  letter-spacing: .2px;
}
.renc-next-btn:hover { background: var(--r-amber-d); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(249,115,22,.4); }
.renc-next-btn:active { transform: translateY(0); }

/* ── Submit button ── */
.renc-submit-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--r-green), var(--r-green-l));
  color: var(--r-white);
  border: none;
  padding: 18px 24px;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 900;
  cursor: pointer;
  font-family: var(--r-font);
  transition: all .2s var(--r-ease);
  box-shadow: 0 4px 20px rgba(22,163,74,.35);
  letter-spacing: .2px;
  margin-top: 16px;
}
.renc-submit-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(22,163,74,.5); }
.renc-submit-btn:disabled { opacity:.7; cursor:not-allowed; transform:none !important; }
.renc-submit-note { text-align:center; color:var(--r-muted); font-size:12.5px; margin:10px 0 0; }

/* ════════════════════════════════
   SUCCESS OVERLAY
════════════════════════════════ */
.renc-success {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.renc-success-card {
  background: var(--r-white);
  border-radius: 24px;
  padding: 48px 36px;
  text-align: center;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--r-shadow-lg);
  animation: renc-pop .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes renc-pop {
  from { opacity:0; transform:scale(.7); }
  to   { opacity:1; transform:scale(1); }
}
.renc-success-anim { margin-bottom: 20px; }

/* SVG check animation */
.renc-check-circle { animation: renc-circle .6s .1s var(--r-ease) forwards; }
.renc-check-tick   { animation: renc-tick   .4s .7s var(--r-ease) forwards; }
@keyframes renc-circle { to { stroke-dashoffset: 0; } }
@keyframes renc-tick   { to { stroke-dashoffset: 0; } }

.renc-success-card h2 { font-size: 26px; font-weight: 900; color: var(--r-navy); margin: 0 0 10px; }
.renc-success-card > p { color: var(--r-muted); font-size: 15px; margin: 0 0 24px; line-height: 1.6; }
.renc-success-est {
  background: #fff7ed;
  border: 1px solid var(--r-amber-l);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 20px;
}
.renc-success-est-label { font-size: 11px; font-weight: 800; color: var(--r-muted); text-transform:uppercase; letter-spacing:1px; margin:0 0 6px; }
.renc-success-est-val   { font-size: 28px; font-weight: 900; color: var(--r-amber-d); margin: 0 0 4px; }
.renc-success-est-note  { font-size: 11px; color: var(--r-muted); margin:0; }

.renc-wa-big {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  background: #25d366;
  color: var(--r-white);
  padding: 15px 24px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  margin-bottom: 12px;
  transition: all .2s;
}
.renc-wa-big:hover { background: #128c7e; transform: translateY(-1px); }
.renc-again-btn {
  background: transparent;
  border: 2px solid var(--r-border);
  color: var(--r-muted);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--r-font);
  width: 100%;
  transition: all .15s;
}
.renc-again-btn:hover { border-color: var(--r-slate-m); color: var(--r-slate-m); }

/* ════════════════════════════════
   MOBILE
════════════════════════════════ */
@media (max-width: 960px) {
  .renc-layout { grid-template-columns: 1fr; padding: 28px 16px 56px; gap: 0; }
  .renc-left   { padding-right: 0; margin-bottom: 32px; }
  .renc-right  { position: static; }
  .rg-tag      { display: none; }
  .renc-svg    { max-width: 100%; }
}

@media (max-width: 540px) {
  .renc-card   { padding: 24px 18px; border-radius: 20px; }
  .renc-headline { font-size: 28px; }
  .renc-service-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .renc-svc-card { padding: 10px; }
  .renc-svc-ico { font-size: 18px; }
  .renc-svc-card small { display: none; }
  .renc-radio-row { flex-direction: column; gap: 7px; }
  .renc-radio-card { min-width: unset; }
  .renc-radio-card span { flex-direction: row; justify-content: flex-start; text-align: left; padding: 12px 14px; }
  .renc-frow { grid-template-columns: 1fr; }
  .renc-addon-grid { grid-template-columns: 1fr; }
  .renc-trust-bar { font-size: 11px; gap: 8px; }
  .renc-sep { display: none; }

  /* Sticky nav on mobile */
  .renc-nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    padding: 12px 16px;
    background: var(--r-white);
    border-top: 1px solid var(--r-border);
    box-shadow: 0 -4px 20px rgba(0,0,0,.1);
    z-index: 100;
    margin: 0;
  }
  .renc-card { padding-bottom: 88px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .rg-lid, .rg-pcb, .rg-scan, .rg-tag, .renc-check-circle, .renc-check-tick { animation: none; }
}