/* 대한에너지 공통 스타일 */
@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-display: swap;
}

:root {
  --ink-950: #070c16;
  --ink-900: #0b1526;
  --ink-800: #101f38;
  --ink-700: #17294a;
  --ember-500: #ff6a34;
  --ember-600: #ef5322;
  --amber-400: #ffb648;
}

* { -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
  word-break: keep-all;
}

.gradient-ember {
  background: linear-gradient(135deg, #ff8a4c 0%, #ff5722 55%, #ef4118 100%);
}

.gradient-hero-glow {
  background:
    radial-gradient(60% 50% at 82% 12%, rgba(255, 106, 52, 0.28) 0%, rgba(255, 106, 52, 0) 60%),
    radial-gradient(45% 45% at 8% 90%, rgba(255, 182, 72, 0.14) 0%, rgba(255, 182, 72, 0) 60%),
    linear-gradient(180deg, #0b1526 0%, #070c16 100%);
}

.text-gradient-ember {
  background: linear-gradient(90deg, #ffb648, #ff6a34);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.card-hover {
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -18px rgba(11, 21, 38, 0.35);
  border-color: rgba(255, 106, 52, 0.35);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .5rem 1rem;
  border-radius: 999px;
  font-size: .8125rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e7ecf5;
}

.fab {
  box-shadow: 0 12px 28px -10px rgba(0,0,0,.4);
}

.form-input {
  width: 100%;
  border: 1px solid #e4e7ee;
  background: #f9fafc;
  border-radius: 0.85rem;
  padding: 0.9rem 1.05rem;
  font-size: 0.95rem;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.form-input:focus {
  outline: none;
  border-color: #ff6a34;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 106, 52, 0.12);
}

.service-check {
  cursor: pointer;
}
.service-check input { display: none; }
.service-check .box {
  border: 1.5px solid #e4e7ee;
  background: #f9fafc;
  border-radius: 0.85rem;
  padding: 0.8rem 0.9rem;
  transition: all .2s ease;
  font-size: 0.875rem;
  font-weight: 600;
  color: #495467;
  text-align: center;
}
.service-check input:checked + .box {
  border-color: #ff6a34;
  background: #fff3ec;
  color: #ef4118;
  box-shadow: 0 0 0 3px rgba(255, 106, 52, 0.12);
}

.animate-float {
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@media (max-width: 767px) {
  .fab-stack { bottom: 1rem; right: 1rem; }
}

body.modal-open {
  overflow: hidden;
}

.pulse-ring {
  position: relative;
}
.pulse-ring::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background: rgba(255, 106, 52, 0.55);
  z-index: -1;
  animation: pulse-ring 2.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.7; }
  70% { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}