/* UTTS landing styles */

.utts-hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 24px;
}
@media (max-width: 980px) { .utts-hero-grid { grid-template-columns: 1fr !important; } }

.utts-anim-large {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 24px;
  backdrop-filter: blur(8px);
}
.utts-anim-large .utts-anim-stage {
  position: relative;
  background: rgba(0,0,0,0.25);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 16px;
  height: 300px;
}
.utts-anim-large .utts-anim-stage::before {
  content: ""; position: absolute; bottom: 38px; left: 0; right: 0; height: 2px; background: rgba(255,255,255,0.15);
}
.utts-anim-large .utts-anim-stage::after {
  content: ""; position: absolute; bottom: 36px; left: 0; right: 0; height: 8px;
  background-image: linear-gradient(90deg, rgba(255,255,255,0.2) 50%, transparent 50%);
  background-size: 24px 8px; opacity: 0.4;
}
.utts-anim-large .utts-pump { position: absolute; left: 90px; bottom: 46px; }
.utts-anim-large .utts-truck { position: absolute; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); bottom: 50px; }
.utts-anim-large .utts-truck.step-0 { transform: translateX(580px); }
.utts-anim-large .utts-truck.step-1 { transform: translateX(220px); }
.utts-anim-large .utts-truck.step-2 { transform: translateX(220px); }
.utts-anim-large .utts-receipt { position: absolute; top: 32px; right: 32px; }
.utts-anim-large .utts-signal { position: absolute; top: 80px; left: 150px; }

.utts-advantages {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
@media (max-width: 980px) { .utts-advantages { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .utts-advantages { grid-template-columns: repeat(2, 1fr); } }

.util-card {
  padding: 28px 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: white;
  transition: all 0.2s;
}
.util-card:hover {
  border-color: var(--primary-900);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.util-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--primary-100);
  color: var(--primary-700);
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.util-card:hover .util-icon { background: var(--primary-900); color: var(--accent-500); }
.util-card h3 { font-size: 17px; margin-bottom: 8px; letter-spacing: -0.01em; }
.util-card p { font-size: 13.5px; color: var(--text-soft); line-height: 1.55; }

/* Calculator */
.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: white;
  border-radius: 24px;
  padding: 8px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
@media (max-width: 880px) { .calc { grid-template-columns: 1fr; } }

.calc-inputs { padding: 32px; }
.calc-row { margin-bottom: 32px; }
.calc-row label {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 12px;
}
.calc-row label span {
  font-size: 13px; font-weight: 600;
  color: var(--neutral-700);
  letter-spacing: -0.005em;
}
.calc-row label strong {
  font-size: 22px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--primary-900);
}
.calc-row input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--neutral-200);
  border-radius: 999px;
  outline: none;
}
.calc-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent-500);
  border: 3px solid white;
  box-shadow: 0 4px 12px rgba(245,158,11,0.5);
  cursor: pointer;
}
.calc-row input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent-500);
  border: 3px solid white;
  box-shadow: 0 4px 12px rgba(245,158,11,0.5);
  cursor: pointer; border-color: white;
}
.calc-range-marks {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--text-muted);
  margin-top: 6px;
}
.calc-stats {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.cs-row {
  display: flex; justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-soft);
}
.cs-row strong { color: var(--neutral-900); font-feature-settings: "tnum"; }

.calc-output {
  background: linear-gradient(180deg, var(--primary-900), var(--primary-800));
  color: white;
  border-radius: 20px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.calc-output::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(245,158,11,0.2), transparent 50%);
}
.calc-savings { position: relative; margin-bottom: 24px; }
.cs-eyebrow {
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--secondary-300);
  margin-bottom: 8px;
}
.cs-num {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 56px);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, #FCD34D, #F59E0B);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-feature-settings: "tnum";
  line-height: 1;
}
.cs-sub { color: rgba(255,255,255,0.6); font-size: 14px; margin-top: 8px; }

.calc-chart {
  position: relative;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}
.cc-head {
  display: flex; justify-content: space-between;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.7);
}
.cc-bars {
  display: flex;
  align-items: flex-end;
  height: 100px;
  gap: 4px;
}
.cc-bar-col {
  flex: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: 4px;
  height: 100%;
}
.cc-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--accent-500), var(--accent-700));
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  transition: height 0.3s ease;
  margin-top: auto;
}
.cc-month {
  font-size: 10px;
  color: rgba(255,255,255,0.5);
}

.calc-actions {
  position: relative;
  display: flex; flex-direction: column;
  gap: 8px;
}
.calc-actions .btn-outline {
  background: transparent; border-color: rgba(255,255,255,0.3); color: white;
}
.calc-actions .btn-outline:hover { background: rgba(255,255,255,0.06); border-color: white; }

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}
@media (max-width: 880px) { .faq-layout { grid-template-columns: 1fr !important; gap: 32px !important; } }

.faq { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  color: var(--neutral-900);
  cursor: pointer;
  font-family: inherit;
  letter-spacing: -0.005em;
  background: none;
  border: 0;
}
.faq-q:hover { color: var(--primary-700); }
.faq-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--neutral-100);
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: all 0.2s;
}
.faq-item.open .faq-icon {
  background: var(--accent-500); color: var(--primary-900);
  transform: rotate(180deg);
}
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-a { max-height: 320px; }
.faq-a p {
  padding: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 720px;
}

/* UTTS animation common (used by index.html and utts.html) */
@keyframes amberPulse {
  0%, 100% { r: 6; fill: #F59E0B; }
  50% { r: 7.5; fill: #FCD34D; }
}
.utts-pump .pulse { animation: amberPulse 0.8s ease-in-out infinite; }

.utts-receipt {
  width: 200px;
  background: white;
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  font-size: 11px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(-8px) scale(0.95);
  transition: all 0.3s;
}
.utts-receipt.show { opacity: 1; transform: translateY(0) scale(1); }
.ur-head {
  display: flex; align-items: center; gap: 6px;
  font-weight: 700;
  color: var(--success);
  font-size: 11px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--neutral-200);
}
.ur-dot { width: 6px; height: 6px; background: var(--success); border-radius: 50%; display: inline-block; }
.ur-row {
  display: flex; justify-content: space-between;
  font-size: 11px; margin-top: 4px;
  font-feature-settings: "tnum";
}
.ur-total { font-size: 12px; margin-top: 6px; padding-top: 6px; border-top: 1px solid var(--neutral-200); }

.utts-signal {
  display: flex; flex-direction: column;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}
.utts-signal.on { opacity: 1; }
.utts-signal span {
  width: 40px; height: 1px;
  border-right: 18px solid var(--accent-500);
  border-radius: 50%;
  transform: rotate(-30deg);
  animation: signal 1.2s infinite;
}
.utts-signal span:nth-child(2) { width: 56px; animation-delay: 0.2s; }
.utts-signal span:nth-child(3) { width: 72px; animation-delay: 0.4s; }
@keyframes signal {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.utts-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.utts-step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s;
}
.utts-step.active {
  background: rgba(245,158,11,0.12);
  border-color: var(--accent-500);
  color: white;
}
.utts-step.done { color: rgba(255,255,255,0.85); }
.utts-step-num {
  font-size: 11px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-500);
  letter-spacing: 0.05em;
}