/* ============================================================
   CONTACT PAGE - 연락처 페이지 전용 스타일
   ============================================================ */

/* ① CONTACT HERO */
.pi-contact-hero {
  position: relative;
  background: var(--pi-navy-950);
  color: var(--pi-white);
  padding: 100px 0;
  overflow: hidden;
  isolation: isolate;
}
.pi-contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.pi-contact-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 164, 55, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 164, 55, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 80%);
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 80%);
}
.pi-contact-hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(50px);
}
.pi-contact-hero-glow-1 {
  width: 600px;
  height: 600px;
  top: -150px;
  right: -100px;
  background: radial-gradient(circle, rgba(212, 164, 55, 0.16) 0%, transparent 60%);
}
.pi-contact-hero-glow-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  left: 5%;
  background: radial-gradient(circle, rgba(56, 214, 240, 0.10) 0%, transparent 60%);
}
.pi-contact-hero-inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.pi-contact-hero-tag {
  margin-bottom: 28px;
  font-size: 11px;
  justify-content: center;
}
.pi-contact-hero-title {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--pi-white);
  margin: 0 0 24px 0;
}
.pi-contact-hero-accent {
  background: linear-gradient(120deg, var(--pi-gold-500), var(--pi-gold-300));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pi-contact-hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--pi-gray-200);
  margin: 0;
  font-weight: 300;
}

/* ② CONTACT CHANNELS */
.pi-channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pi-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 32px 28px;
  background: var(--pi-white);
  border: 1px solid var(--pi-gray-200);
  border-radius: var(--pi-radius-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.pi-channel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pi-gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.pi-channel:hover {
  transform: translateY(-4px);
  box-shadow: var(--pi-shadow-xl);
  border-color: var(--pi-gold-400);
}
.pi-channel:hover::before { transform: scaleX(1); }
.pi-channel-icon {
  width: 48px;
  height: 48px;
  background: var(--pi-gold-100);
  color: var(--pi-gold-600);
  border-radius: var(--pi-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  transition: all 0.3s ease;
}
.pi-channel:hover .pi-channel-icon {
  background: var(--pi-gold-500);
  color: var(--pi-navy-950);
  transform: scale(1.05);
}
.pi-channel-cat {
  font-family: var(--pi-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--pi-gold-600);
  font-weight: 600;
  text-transform: uppercase;
}
.pi-channel-title {
  font-family: var(--pi-font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--pi-navy-950);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.pi-channel-value {
  margin: 4px 0 8px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pi-gray-200);
}
.pi-channel-value-text {
  font-family: var(--pi-font-mono);
  font-size: 14px;
  color: var(--pi-navy-950);
  font-weight: 600;
  letter-spacing: 0.01em;
  word-break: break-all;
}
.pi-channel-desc {
  font-size: 12px;
  line-height: 1.6;
  color: var(--pi-gray-500);
  margin: 0;
}
.pi-channel-tosun {
  background: linear-gradient(135deg, var(--pi-navy-950), var(--pi-navy-800));
  color: var(--pi-white);
  border-color: rgba(212, 164, 55, 0.3);
}
.pi-channel-tosun::before {
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--pi-gold-500), var(--pi-gold-300));
}
.pi-channel-tosun .pi-channel-icon {
  background: rgba(212, 164, 55, 0.15);
  color: var(--pi-gold-400);
}
.pi-channel-tosun:hover .pi-channel-icon {
  background: var(--pi-gold-500);
  color: var(--pi-navy-950);
}
.pi-channel-tosun .pi-channel-cat { color: var(--pi-gold-400); }
.pi-channel-tosun .pi-channel-title { color: var(--pi-white); }
.pi-channel-tosun .pi-channel-value-text { color: var(--pi-gold-300); }
.pi-channel-tosun .pi-channel-value { border-bottom-color: rgba(255, 255, 255, 0.1); }
.pi-channel-tosun .pi-channel-desc { color: var(--pi-gray-300); }

/* ③ MAP & LOCATION */
.pi-map-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}
.pi-map-area { position: relative; }
.pi-map-mock {
  position: relative;
  border-radius: var(--pi-radius-lg);
  overflow: hidden;
  box-shadow: var(--pi-shadow-lg);
  background: #F4F6F9;
}
.pi-map-mock svg { width: 100%; height: auto; display: block; }
.pi-map-external {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--pi-navy-950);
  color: var(--pi-gold-400);
  font-family: var(--pi-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: var(--pi-radius-full);
  transition: all 0.2s ease;
  box-shadow: var(--pi-shadow-md);
}
.pi-map-external:hover {
  background: var(--pi-gold-500);
  color: var(--pi-navy-950);
}
.pi-map-external svg { transition: transform 0.2s; }
.pi-map-external:hover svg { transform: translate(2px, -2px); }

.pi-map-info { display: flex; flex-direction: column; }
.pi-map-block { padding: 8px 0; }
.pi-map-tag {
  font-family: var(--pi-font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--pi-gold-600);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.pi-map-text {
  font-size: 17px;
  font-weight: 600;
  color: var(--pi-navy-950);
  line-height: 1.55;
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}
.pi-map-text-en {
  font-family: var(--pi-font-mono);
  font-size: 12px;
  color: var(--pi-gray-500);
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.pi-map-divider {
  height: 1px;
  background: var(--pi-gray-200);
  margin: 28px 0;
}
.pi-map-transport-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
}
.pi-map-transport-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--pi-gray-700);
  line-height: 1.5;
}
.pi-map-transport-list strong {
  color: var(--pi-navy-950);
  font-weight: 700;
  margin-right: 4px;
}
.pi-transport-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--pi-gold-100);
  color: var(--pi-gold-600);
  border-radius: var(--pi-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pi-map-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
}
.pi-map-contact-list li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  align-items: center;
  font-size: 14px;
}
.pi-map-contact-list a {
  color: var(--pi-navy-950);
  font-weight: 600;
  border-bottom: 1px solid var(--pi-gold-500);
  padding-bottom: 1px;
  transition: color 0.2s;
}
.pi-map-contact-list a:hover { color: var(--pi-gold-600); }
.pi-map-contact-list span:not(.pi-map-contact-key) {
  color: var(--pi-gray-700);
  font-family: var(--pi-font-mono);
  font-weight: 500;
}
.pi-map-contact-key {
  font-family: var(--pi-font-mono);
  font-size: 11px;
  color: var(--pi-gold-600);
  letter-spacing: 0.1em;
  font-weight: 700;
}

/* ④ INQUIRY FORM */
.pi-form-wrap {
  max-width: 900px;
  margin: 0 auto;
  background: var(--pi-white);
  border: 1px solid var(--pi-gray-200);
  border-top: 4px solid var(--pi-gold-500);
  border-radius: var(--pi-radius-lg);
  padding: 56px 64px;
  box-shadow: var(--pi-shadow-md);
}
.pi-form { display: flex; flex-direction: column; gap: 24px; }
.pi-form-row { display: flex; flex-direction: column; gap: 16px; }
.pi-form-row-2 { flex-direction: row; gap: 20px; }
.pi-form-row-2 .pi-form-field { flex: 1; }
.pi-form-field { display: flex; flex-direction: column; gap: 8px; }

.pi-form-label {
  font-family: var(--pi-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pi-navy-950);
  font-weight: 600;
}
.pi-form-req { color: var(--pi-gold-600); margin-left: 2px; }

.pi-form-input,
.pi-form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: var(--pi-font-body);
  color: var(--pi-navy-950);
  background: var(--pi-gray-50);
  border: 1px solid var(--pi-gray-200);
  border-radius: var(--pi-radius-sm);
  transition: all 0.2s;
}
.pi-form-input:focus,
.pi-form-textarea:focus {
  outline: none;
  background: var(--pi-white);
  border-color: var(--pi-gold-500);
  box-shadow: 0 0 0 3px rgba(212, 164, 55, 0.15);
}
.pi-form-input::placeholder,
.pi-form-textarea::placeholder { color: var(--pi-gray-400); }
.pi-form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.pi-form-radio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.pi-form-radio {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--pi-gray-50);
  border: 1px solid var(--pi-gray-200);
  border-radius: var(--pi-radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.pi-form-radio:hover {
  background: var(--pi-white);
  border-color: var(--pi-gold-400);
}
.pi-form-radio input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.pi-form-radio-mark {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border: 2px solid var(--pi-gray-400);
  border-radius: 50%;
  position: relative;
  transition: all 0.2s;
}
.pi-form-radio input[type="radio"]:checked ~ .pi-form-radio-mark {
  border-color: var(--pi-gold-500);
  background: var(--pi-white);
}
.pi-form-radio input[type="radio"]:checked ~ .pi-form-radio-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--pi-gold-500);
  border-radius: 50%;
}
.pi-form-radio:has(input:checked) {
  background: var(--pi-gold-100);
  border-color: var(--pi-gold-500);
}
.pi-form-radio-text {
  font-size: 13px;
  color: var(--pi-navy-950);
  font-weight: 500;
}

.pi-form-file-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}
.pi-form-file-label {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--pi-gray-50);
  border: 2px dashed var(--pi-gray-300);
  border-radius: var(--pi-radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px !important;
  color: var(--pi-gray-600) !important;
  font-weight: 500 !important;
  letter-spacing: 0 !important;
}
.pi-form-file-label:hover {
  background: var(--pi-white);
  border-color: var(--pi-gold-400);
  color: var(--pi-gold-600) !important;
}
.pi-form-file-label svg {
  flex-shrink: 0;
  color: var(--pi-gold-500);
}

.pi-form-consent {
  background: var(--pi-gray-50);
  padding: 16px 20px;
  border-radius: var(--pi-radius-sm);
  border: 1px solid var(--pi-gray-200);
}
.pi-form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  position: relative;
}
.pi-form-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.pi-form-checkbox-mark {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--pi-gray-400);
  border-radius: 3px;
  background: var(--pi-white);
  position: relative;
  margin-top: 2px;
  transition: all 0.2s;
}
.pi-form-checkbox input[type="checkbox"]:checked ~ .pi-form-checkbox-mark {
  border-color: var(--pi-gold-500);
  background: var(--pi-gold-500);
}
.pi-form-checkbox input[type="checkbox"]:checked ~ .pi-form-checkbox-mark::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 5px;
  height: 9px;
  border: solid var(--pi-navy-950);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.pi-form-checkbox-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--pi-gray-700);
}
.pi-form-checkbox-text strong {
  color: var(--pi-navy-950);
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}

.pi-form-submit {
  align-self: stretch;
  justify-content: center;
  width: 100%;
}
.pi-form-note {
  font-size: 12px;
  color: var(--pi-gray-500);
  text-align: center;
  margin: 12px 0 0 0;
}
.pi-form-note a {
  color: var(--pi-gold-600);
  font-weight: 600;
  border-bottom: 1px solid var(--pi-gold-500);
}

/* ⑤ FAQ */
.pi-faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.pi-faq {
  border-bottom: 1px solid var(--pi-gray-200);
  transition: all 0.3s ease;
}
.pi-faq[open] { background: var(--pi-gray-50); }
.pi-faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.pi-faq-question::-webkit-details-marker { display: none; }
.pi-faq-question:hover { background: var(--pi-gray-50); }
.pi-faq[open] .pi-faq-question { padding-bottom: 16px; }
.pi-faq-q {
  font-family: var(--pi-font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--pi-gold-500);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  line-height: 1;
}
.pi-faq-text {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--pi-navy-950);
  line-height: 1.5;
}
.pi-faq-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--pi-gold-100);
  color: var(--pi-gold-600);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.pi-faq[open] .pi-faq-icon {
  transform: rotate(180deg);
  background: var(--pi-gold-500);
  color: var(--pi-navy-950);
}
.pi-faq-answer {
  padding: 0 28px 28px 72px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pi-gray-700);
}
.pi-faq-answer p { margin: 0; }
.pi-faq-answer a {
  color: var(--pi-gold-600);
  font-weight: 600;
  border-bottom: 1px solid var(--pi-gold-500);
  transition: color 0.2s;
}
.pi-faq-answer strong { color: var(--pi-navy-950); font-weight: 700; }

/* RESPONSIVE */
@media (max-width: 1023px) {
  .pi-channels-grid { grid-template-columns: repeat(2, 1fr); }
  .pi-map-grid { grid-template-columns: 1fr; gap: 40px; }
  .pi-form-radio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .pi-contact-hero { padding: 56px 0 64px; }
  .pi-channels-grid { grid-template-columns: 1fr; gap: 14px; }
  .pi-channel { padding: 24px 22px; }
  .pi-form-wrap { padding: 32px 24px; }
  .pi-form-row-2 { flex-direction: column; }
  .pi-form-radio-grid { grid-template-columns: 1fr; }
  .pi-form-input,
  .pi-form-textarea { font-size: 16px; }
  .pi-faq-question { padding: 18px 20px; gap: 12px; }
  .pi-faq-q { font-size: 20px; }
  .pi-faq-text { font-size: 14px; }
  .pi-faq-answer { padding: 0 20px 20px 52px; font-size: 14px; }
  .pi-faq-icon { width: 28px; height: 28px; }
}