/* ──────────────────────────────────────────────────────────────
   Smart Inquiry Form — Frontend Styles
   ────────────────────────────────────────────────────────────── */

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

:root {
  --sif-accent:     #4f46e5;
  --sif-accent-2:   #7c3aed;
  --sif-dark:       #0f0e17;
  --sif-mid:        #6b7280;
  --sif-light:      #f8f7ff;
  --sif-border:     #e5e7eb;
  --sif-white:      #ffffff;
  --sif-success:    #10b981;
  --sif-error:      #ef4444;
  --sif-radius:     16px;
  --sif-radius-sm:  8px;
  --sif-shadow:     0 20px 60px rgba(79,70,229,0.12), 0 4px 16px rgba(0,0,0,0.06);
  --sif-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Wrapper */
.sif-wrapper {
  font-family: 'DM Sans', sans-serif;
  max-width: 640px;
  margin: 40px auto;
  background: var(--sif-white);
  border-radius: 24px;
  box-shadow: var(--sif-shadow);
  overflow: hidden;
  position: relative;
}

/* ── Progress ──────────────────────────────────────────────── */
.sif-progress {
  padding: 28px 36px 0;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.sif-progress__track {
  height: 4px;
  background: rgba(255,255,255,0.25);
  border-radius: 2px;
  overflow: hidden;
}

.sif-progress__fill {
  height: 100%;
  background: #fff;
  border-radius: 2px;
  width: 16.66%;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sif-progress__steps {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
}

.sif-step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  display: block;
  transition: background var(--sif-transition), transform var(--sif-transition);
}
.sif-step-dot.active { background: #fff; transform: scale(1.3); }
.sif-step-dot.done   { background: rgba(255,255,255,0.75); }

.sif-progress__label {
  color: rgba(255,255,255,0.8);
  font-size: 12px;
  font-weight: 500;
  margin: 8px 0 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Steps ─────────────────────────────────────────────────── */
.sif-form {
  padding: 36px 36px 28px;
}

.sif-step { display: none; animation: sif-fade-in 0.35s ease; }
.sif-step.active { display: block; }

@keyframes sif-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sif-step__title {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  color: var(--sif-dark);
  margin: 0 0 6px;
  line-height: 1.2;
}

.sif-step__subtitle {
  font-size: 14px;
  color: var(--sif-mid);
  margin: 0 0 28px;
}

/* ── Capsule Grid ───────────────────────────────────────────── */
.sif-capsule-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.sif-capsule {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 2px solid var(--sif-border);
  border-radius: 50px;
  cursor: pointer;
  background: var(--sif-white);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--sif-dark);
  transition: all var(--sif-transition);
  user-select: none;
}

.sif-capsule:hover {
  border-color: var(--sif-accent);
  color: var(--sif-accent);
  box-shadow: 0 4px 14px rgba(79,70,229,0.15);
  transform: translateY(-1px);
}

.sif-capsule.selected {
  border-color: var(--sif-accent);
  background: var(--sif-accent);
  color: #fff;
  box-shadow: 0 6px 20px rgba(79,70,229,0.35);
  transform: translateY(-1px);
}

.sif-capsule__check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.2s;
}
.sif-capsule.selected .sif-capsule__check { opacity: 1; }

/* ── Loading dots ───────────────────────────────────────────── */
.sif-loading {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
}
.sif-loading span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--sif-accent);
  animation: sif-bounce 1.2s infinite ease-in-out;
}
.sif-loading span:nth-child(1) { animation-delay: 0s; }
.sif-loading span:nth-child(2) { animation-delay: 0.2s; }
.sif-loading span:nth-child(3) { animation-delay: 0.4s; }

@keyframes sif-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40%            { transform: scale(1);   opacity: 1; }
}

/* ── Fields ─────────────────────────────────────────────────── */
.sif-field { margin-bottom: 20px; }
.sif-field:last-child { margin-bottom: 0; }

.sif-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sif-dark);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.sif-label-icon {
  width: 16px;
  height: 16px;
  color: var(--sif-accent);
  flex-shrink: 0;
}

.sif-input,
.sif-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--sif-border);
  border-radius: var(--sif-radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--sif-dark);
  background: var(--sif-light);
  transition: border-color var(--sif-transition), box-shadow var(--sif-transition);
  outline: none;
  box-sizing: border-box;
}

.sif-input:focus,
.sif-textarea:focus {
  border-color: var(--sif-accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(79,70,229,0.1);
}

.sif-textarea { resize: vertical; min-height: 120px; }

/* ── Error ──────────────────────────────────────────────────── */
.sif-error {
  color: var(--sif-error);
  font-size: 13px;
  margin: 6px 0 0;
  min-height: 18px;
  font-weight: 500;
}

/* ── Navigation ─────────────────────────────────────────────── */
.sif-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  gap: 12px;
}

.sif-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--sif-transition);
  outline: none;
  position: relative;
}

.sif-btn--back {
  background: transparent;
  color: var(--sif-mid);
  border: 2px solid var(--sif-border);
}
.sif-btn--back:hover {
  border-color: var(--sif-accent);
  color: var(--sif-accent);
}

.sif-btn--next,
.sif-btn--submit {
  background: linear-gradient(135deg, var(--sif-accent), var(--sif-accent-2));
  color: #fff;
  box-shadow: 0 6px 20px rgba(79,70,229,0.35);
  margin-left: auto;
  min-width: 130px;
}
.sif-btn--next:hover,
.sif-btn--submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(79,70,229,0.45);
}

.sif-btn--submit.loading .sif-btn__text { opacity: 0; }
.sif-btn--submit.loading .sif-btn__loader { display: block; }

.sif-btn__loader {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sif-spin 0.7s linear infinite;
  position: absolute;
}

@keyframes sif-spin { to { transform: rotate(360deg); } }

/* ── Success ────────────────────────────────────────────────── */
.sif-step--success.active { text-align: center; padding: 20px 0 10px; }

.sif-success__icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
}

.sif-success__icon svg { width: 100%; height: 100%; animation: sif-pop 0.5s cubic-bezier(0.175,0.885,0.32,1.275) both; }
.sif-success__icon circle { fill: var(--sif-success); stroke: none; }
.sif-success__icon path {
  fill: none; stroke: #fff; stroke-width: 3;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 50; stroke-dashoffset: 50;
  animation: sif-draw 0.5s 0.3s ease forwards;
}

@keyframes sif-pop {
  0%   { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1);   opacity: 1; }
}
@keyframes sif-draw { to { stroke-dashoffset: 0; } }

.sif-success__title {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  color: var(--sif-dark);
  margin: 0 0 10px;
}
.sif-success__msg { font-size: 16px; color: var(--sif-mid); margin: 0; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 520px) {
  .sif-wrapper  { margin: 0; border-radius: 0; }
  .sif-progress { padding: 20px 20px 0; }
  .sif-form     { padding: 24px 20px 20px; }
  .sif-step__title { font-size: 22px; }
  .sif-btn      { padding: 12px 20px; font-size: 14px; }
}