/* ============================================================
   CONTACT PAGE — contact.php 전용
   ============================================================ */


   
/* ── A2z 폰트 ── */
@font-face { font-family:'A2z'; src:url('https://cdn.jsdelivr.net/gh/projectnoonnu/2601-6@1.0/에이투지체-1Thin.woff2') format('woff2'); font-weight:100; font-display:swap; }
@font-face { font-family:'A2z'; src:url('https://cdn.jsdelivr.net/gh/projectnoonnu/2601-6@1.0/에이투지체-4Regular.woff2') format('woff2'); font-weight:400; font-display:swap; }
@font-face { font-family:'A2z'; src:url('https://cdn.jsdelivr.net/gh/projectnoonnu/2601-6@1.0/에이투지체-5Medium.woff2') format('woff2'); font-weight:500; font-display:swap; }
@font-face { font-family:'A2z'; src:url('https://cdn.jsdelivr.net/gh/projectnoonnu/2601-6@1.0/에이투지체-7Bold.woff2') format('woff2'); font-weight:700; font-display:swap; }
@font-face { font-family:'A2z'; src:url('https://cdn.jsdelivr.net/gh/projectnoonnu/2601-6@1.0/에이투지체-8ExtraBold.woff2') format('woff2'); font-weight:800; font-display:swap; }

/* ── 변수 ── */
:root {
  --clr-bg:       #ffffff;
  --clr-surface:  #f5f5f7;
  --clr-border:   rgba(0, 0, 0, .1);
  --clr-accent:   #5b6ef5;
  --clr-text:     #0e0f14;
  --clr-text-2:   rgba(0, 0, 0, .55);
  --clr-text-3:   rgba(0, 0, 0, .35);
  --font-ko: 'Noto Sans KR', sans-serif;
  --font-en: 'Inter', sans-serif;
  --nav-h: 80px;
}

/* ── 기본 리셋 ── */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; }

/* ============================================================
   CONTACT SECTION
   ============================================================ */

.contact-title-wrap {
}

.contact-sec {
  padding: 170px 48px 120px;
  border-top: 1px solid var(--clr-border);
}

.contact-inner {
  margin: 0 auto;
  display: grid;
  grid-template-columns:  1fr;
  gap: 100px;
  max-width:1200px;
}

.contact-title {
  font-size: clamp(2.8rem, 4vw, 6.0rem);
  font-weight: 700;
  word-break: keep-all;
  letter-spacing: .05em;
  line-height: 1.2;
  color: var(--clr-text);
  margin-bottom:20px;
  font-family: 'A2z';
  text-align: center;
}

.contact-subtitle {
  font-size: 1.8rem;
  color: var(--clr-text-2);
  margin-bottom: 30px;
  text-align: center;
}

/* ── 탭 버튼 ── */
.contact-tabs {
  display: flex;
  gap: 4px;
  background: var(--clr-border);
  border-radius: 1000px;
  padding: 6px;
  max-width: 320px;
  margin:0 auto;
}

.tab-btn {
  flex: 1;
  padding: 15px 30px;
  background: none;
  border: none;
  border-radius: 800px;
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--clr-text-3);
  cursor: pointer;
  transition: all .25s ease;
}

.tab-btn:hover {
  color: var(--clr-text-2);
}

.tab-btn.active {
  background: #fff;
  color: var(--clr-accent);
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}

/* ── 폼 래퍼 ── */
.contact-form-wrapper {
  display: none;
  background: #fff; 
}

.contact-form-wrapper.active {
  display: block;
}

/* ── 폼 스타일 ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-hor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--clr-text);
}

.required {
  color: var(--clr-accent);
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 18px;
  font-size: 1.6rem;
  font-family: var(--font-ko);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  transition: border-color .2s, box-shadow .2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(91, 110, 245, .1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-group input[type="file"] {
  padding: 15px 18px;
  font-size: 1.6rem;
  cursor: pointer;
}

.form-help {
  font-size: 1.3rem;
  color: var(--clr-text-3);
  line-height: 1.5;
}

/* ── 원하는 기능
 * 레이아웃: 카테고리 사각 틀 + 작은 탭 / 하위 패널
 * 색상: 제작 예산(.budget-btn)과 동일 (선택 전·후만)
 */
.feature-field-hint {
  margin: 0 0 12px;
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--clr-text-3);
}

.feature-categories {
  display: grid;
  gap: 0;
}

/* 카테고리 사각 틀 */
.feature-category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--clr-border);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  background: #F3F4F6;
}

/* 카테고리 탭 — 예산 버튼보다 조금 작게, 색은 budget-btn 규칙 */
.feature-category-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 6px 14px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--clr-text-2);
  line-height: 1.2;
  white-space: nowrap;
  word-break: keep-all;
  cursor: pointer;
  transition: all .2s;
}

.feature-category-tab:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.feature-category-tab.is-active {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

.feature-category-tab.is-active:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

.feature-category-tab__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.06);
  color: inherit;
  font-size: 1.15rem;
  font-weight: 700;
}

.feature-category-tab.is-active .feature-category-tab__count {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.feature-category-tab__count.has-selected {
  background: rgba(0, 0, 0, 0.1);
}

.feature-category-tab.is-active .feature-category-tab__count.has-selected {
  background: rgba(255, 255, 255, 0.28);
  color: #fff;
}

/* 하위 기능 패널 사각 틀 */
.feature-category-panels {
  min-width: 0;
  border: 1px solid var(--clr-border);
  border-radius: 0 0 12px 12px;
  background: #fff;
}

.feature-category-panel {
  padding: 16px;
}

.feature-category-panel[hidden],
.feature-category-panel:not(.is-active) {
  display: none;
}

.feature-category-panel.is-active {
  display: block;
}

.feature-category-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid #E5E8EB;
}

.feature-category-panel__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.3;
}

.feature-category-panel__meta {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--clr-text-3);
  white-space: nowrap;
}

.feature-category-panel__hint {
  margin: 0 0 12px;
  font-size: 1.3rem;
  line-height: 1.45;
  color: var(--clr-text-3);
}

.feature-empty-hint {
  margin: 0;
  font-size: 1.4rem;
  color: var(--clr-text-3);
  line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
  .feature-category-tab,
  .feature-btn {
    transition: none;
  }
}

/* 하위 기능 — budget-btn 과 동일 크기/색 */
.feature-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-btn {
  padding: 12px 30px 13px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 500px;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--clr-text-2);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  word-break: keep-all;
}

.feature-btn:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.feature-btn.selected {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

.feature-custom {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.feature-custom-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  max-width: 620px;
}

.feature-custom-input {
  width: 100%;
}

.feature-custom-add {
  min-width: 78px;
  padding: 0 18px;
  border: 1px solid var(--clr-accent);
  border-radius: 12px;
  background: var(--clr-accent);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
}

.feature-custom-add:hover {
  transform: translateY(-1px);
}

.feature-custom-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-custom-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 8px 0 14px;
  border: 1px solid var(--clr-accent);
  border-radius: 500px;
  background: rgba(91,110,245,.08);
  color: var(--clr-accent);
  font-size: 1.4rem;
  font-weight: 700;
}

.feature-custom-chip__remove {
  padding: 4px 8px;
  border: 0;
  border-radius: 500px;
  background: rgba(91,110,245,.12);
  color: var(--clr-accent);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
}

/* ── 예산 버튼 ── */
.budget-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.budget-btn {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  text-align: center;
  padding: 11px 14px 12px;
  white-space: nowrap;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 500px;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--clr-text-2);
  cursor: pointer;
  transition: all .2s;
}

.budget-btn:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.budget-btn.active {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

/* ── 파일 업로드 ── */
.file-upload {
  position: relative;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 8px;
  padding: 14px 20px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}

.file-upload:hover {
  border-color: var(--clr-accent);
  background: rgba(91,110,245,.02);
}

.file-upload-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}

.file-upload-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  pointer-events: none;
  position: relative;
  z-index: 2;
}

.file-upload-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(91,110,245,.08);
  color: var(--clr-accent);
  font-size: 1.8rem;
  font-weight: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  flex-shrink: 0;
}

.file-upload-text {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--clr-text-2);
}

.file-upload-hint {
  font-size: 1.3rem;
  color: var(--clr-text-3);
  margin-left: auto;
}

.file-upload-name {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}

.file-upload-summary {
  display: grid;
  gap: 10px;
  position: relative;
  z-index: 2;
}

.file-upload-content[hidden],
.file-upload-summary[hidden] {
  display: none;
}

.file-upload-summary__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  z-index: 3;
}

.file-upload-summary__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.file-upload-summary__label {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-accent);
  white-space: nowrap;
}

.file-upload-summary__count {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(91,110,245,.08);
  color: var(--clr-accent);
  font-size: 1.2rem;
  font-weight: 700;
  white-space: nowrap;
}

/* 선택 후 추가 첨부 CTA (유일 경로) */
.file-upload-summary__add {
  position: relative;
  z-index: 4;
  flex: 0 0 auto;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--clr-accent);
  border-radius: 6px;
  background: #fff;
  color: var(--clr-accent);
  font-size: 1.3rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}

.file-upload-summary__add:hover {
  background: rgba(91,110,245,.06);
}

.file-upload.has-file {
  border-color: var(--clr-accent);
  background: rgba(91,110,245,.02);
  cursor: default;
}

.file-upload.has-file .file-upload-summary {
  pointer-events: auto;
}

.file-upload.has-file .file-upload-summary__list,
.file-upload.has-file .file-upload-summary__remove,
.file-upload.has-file .file-upload-summary__add {
  position: relative;
  z-index: 4;
}

.file-upload-summary__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  list-style: none;
}

.file-upload-summary__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 8px;
  background: #fff;
  font-size: 1.4rem;
  line-height: 1.45;
  color: var(--clr-text-2);
  word-break: break-all;
}

.file-upload-summary__name {
  min-width: 0;
  flex: 1;
}

.file-upload-summary__remove {
  flex: 0 0 auto;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 6px;
  background: #fff;
  color: var(--clr-text-2);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.file-upload-summary__remove:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

/* ── 제출 버튼 ── */
.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 32px;
  margin-top: 12px;
  background: var(--clr-accent);
  border: none;
  border-radius: 10px;
  font-size: 2.0rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: background .2s, transform .15s, box-shadow .2s;
}

.form-submit-btn:hover {
  background: #4a5de0;
}

.form-submit-btn:active {
  transform: translateY(0);
}

.form-submit-btn i {
  font-size: 1.3rem;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ── ≤ 1280px ── */
@media (max-width: 1280px) {
  .contact-sec { padding: 150px 32px 100px; }
  .contact-inner { gap: 60px; }
}

/* ── ≤ 1024px ── */
@media (max-width: 1024px) {
  .contact-sec { padding: 120px 24px 80px; }
  .contact-inner { gap: 48px; }
  .contact-title { font-size: clamp(2.8rem, 5vw, 4.0rem); }
  .contact-subtitle { font-size: 1.6rem; }
  .tab-btn { font-size: 1.6rem; padding: 12px 24px; }
  .form-group label { font-size: 1.6rem; }
  .form-group input,
  .form-group select,
  .form-group textarea { padding: 16px; font-size: 1.5rem; }
  .feature-btn { font-size: 1.5rem; padding: 10px 24px; }
  .form-submit-btn { font-size: 1.8rem; }
}

/* ── ≤ 768px ── */
@media (max-width: 768px) {
  .contact-sec { padding: 120px 16px 60px; }
  .contact-inner { gap: 36px; }
  .contact-title { font-size: clamp(2.4rem, 5vw, 3.2rem); }
  .contact-subtitle { font-size: 1.5rem; margin-bottom: 20px; }
  .contact-tabs { max-width: 280px; }
  .tab-btn { font-size: 1.4rem; padding: 10px 20px; }
  .form-hor { grid-template-columns: 1fr; gap: 20px; }
  .form-group label { font-size: 1.5rem; }
  .form-group input,
  .form-group select,
  .form-group textarea { padding: 14px; font-size: 1.4rem; }
  .feature-btn { font-size: 1.4rem; padding: 10px 20px; }
  .feature-custom-control { grid-template-columns: 1fr; }
  .feature-custom-add { min-height: 44px; font-size: 1.4rem; }
  .form-submit-btn { font-size: 1.6rem; padding: 14px 24px; }
  .form-help { font-size: 1.4rem; }
  .form-group input[type="file"] { font-size: 1.4rem; padding: 12px 14px; }
}

/* ── ≤ 480px ── */
@media (max-width: 480px) {
  .contact-sec { padding: 80px 12px 48px; }
  .contact-inner { gap: 28px; }
  .contact-title { font-size: clamp(2.2rem, 6vw, 2.8rem); }
  .contact-subtitle { font-size: 1.4rem; }
  .contact-tabs { max-width: 100%; }
  .tab-btn { font-size: 1.4rem; padding: 10px 16px; }
  .feature-btn { font-size: 1.4rem; padding: 8px 16px; }
  .form-submit-btn { font-size: 1.6rem; }
  .budget-btn {
    font-size: 1.3rem;
    padding: 10px 12px 11px;
  }
}