/* =========================================================
   EXCON — Contact Page Ultra-Clean Style
   Target markup: /app/pages/contact.php
   Last updated: 2025-11-12
   ---------------------------------------------------------
   디자인 원칙
   - 아주 깨끗하고 조용한 UI
   - 넉넉한 여백, 정갈한 타이포
   - 명확한 포커스, 접근성 고려
   - 모바일 퍼스트 + 반응형
========================================================= */

/* ===== Design Tokens (사이트 기본 변수와 자연스럽게 공존) ===== */
:root {
  --contact-maxw: 1200px;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-1: 0 1px 2px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --shadow-2: 0 6px 24px rgba(0,0,0,.08);

  /* 사이트가 부트스트랩 블루(#0d6efd)를 쓰는 점을 반영 */
  --brand: var(--excon-primary, #0d6efd);
  --brand-strong: #0b5ed7;

  --txt: #11131a;
  --txt-muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --line: #e5e7eb;

  --ok-bg: #eefaf2;
  --ok-bd: #c8f0d7;
  --ok-tx: #166534;

  --err-bg: #fef1f2;
  --err-bd: #f8c7ce;
  --err-tx: #9f1239;

  --focus-ring: 0 0 0 3px rgba(13,110,253,.18);
}

/* 다크 모드 */
@media (prefers-color-scheme: dark) {
  :root {
    --txt: #e9eef6;
    --txt-muted: #9aa4b2;
    --bg: #0f141c;
    --bg-soft: #121a24;
    --line: #1e293b;

    --ok-bg: #0f1f16;
    --ok-bd: #133322;
    --ok-tx: #79d39b;

    --err-bg: #211116;
    --err-bd: #3d1f29;
    --err-tx: #ff94aa;
    --focus-ring: 0 0 0 3px rgba(110,168,254,.28);
    --shadow-1: 0 1px 2px rgba(0,0,0,.35), 0 6px 24px rgba(0,0,0,.35);
    --shadow-2: 0 10px 36px rgba(0,0,0,.45);
  }
}

/* ===== Page Shell ===== */
.container.contact {
  max-width: var(--contact-maxw);
  margin-inline: auto;
  padding: clamp(var(--space-5), 3vw, var(--space-6)) var(--space-4);
  color: var(--txt);
}

.equip-header {
  margin-bottom: var(--space-5);
}
.equip-title {
  font-size: clamp(1.25rem, 1.6vw + 1rem, 1.75rem);
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0;
}

/* ===== Cards ===== */
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: clamp(var(--space-4), 2vw, var(--space-5));
  margin-bottom: var(--space-5);
}
.card:hover { box-shadow: var(--shadow-2); transition: box-shadow .18s ease; }

.card--success {
  background: var(--ok-bg);
  border-color: var(--ok-bd);
  color: var(--ok-tx);
}
.card--error {
  background: var(--err-bg);
  border-color: var(--err-bd);
  color: var(--err-tx);
}
.card--error ul {
  margin: var(--space-2) 0 0;
  padding-left: 1.1em;
}

/* ===== Equipment Summary ===== */
.equip-summary__wrap {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-4);
  align-items: start;
}
.equip-summary__thumb img {
  width: 96px; height: 96px; object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.equip-summary__text p {
  margin: 0 0 .35rem;
}
.muted { color: var(--txt-muted); }

/* ===== Form ===== */
.form fieldset {
  border: 0; padding: 0; margin: 0 0 var(--space-5);
}
.form legend {
  font-size: 1rem; font-weight: 700; margin-bottom: var(--space-3);
}

.form .row {
  display: grid;
  gap: .5rem;
  margin-bottom: var(--space-4);
}
.form label {
  font-size: .925rem;
  color: var(--txt-muted);
}
.req {
  color: var(--brand);
  margin-left: .25rem;
}

.input-group {
  display: grid;
  grid-template-columns: minmax(120px, 220px) 1fr;
  gap: var(--space-3);
}

/* Inputs */
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form select,
.form textarea {
  width: 100%;
  padding: .66rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--txt);
  font-size: .98rem;
  line-height: 1.35;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.form textarea {
  min-height: 140px;
  resize: vertical;
}
.form input[readonly] {
  background: var(--bg-soft);
  color: var(--txt-muted);
}

/* Focus / Hover */
.form input:focus,
.form select:focus,
.form textarea:focus {
  border-color: var(--brand);
  box-shadow: var(--focus-ring);
  outline: none;
}
.form select:hover,
.form input:hover,
.form textarea:hover {
  border-color: color-mix(in oklab, var(--brand) 40%, var(--line));
}

/* Hints */
.form .hint {
  font-size: .9rem;
  margin-top: .35rem;
}

/* Actions */
.actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  justify-content: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .7rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--txt);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { background: color-mix(in oklab, var(--bg-soft) 50%, var(--bg)); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-strong); }

/* ===== Utilities ===== */
hr.soft {
  border: 0; height: 1px; background: var(--line);
  margin: var(--space-5) 0;
}

/* ===== Responsiveness ===== */
@media (max-width: 720px) {
  .container.contact { padding-inline: var(--space-4); }
  .equip-summary__wrap { grid-template-columns: 72px 1fr; }
  .equip-summary__thumb img { width:72px; height:72px; }
  .input-group { grid-template-columns: 1fr; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ===== Native invalid styles (부드럽게) ===== */
input:invalid, textarea:invalid, select:invalid {
  border-color: color-mix(in oklab, var(--err-bd) 70%, var(--line));
}
input:invalid:focus, textarea:invalid:focus, select:invalid:focus {
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--err-bd) 45%, transparent);
}

/* ===== Fine details ===== */
.form select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%),
    linear-gradient(to right, transparent, transparent);
  background-position:
    calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px),
    calc(100% - 2.4rem) 0;
  background-size: 6px 6px, 6px 6px, 1px 100%;
  background-repeat: no-repeat;
  padding-right: 2.4rem;
}
.dial-wrap {
  display: grid;
  gap: 0.35rem;
}

.dial-search {
  padding: .5rem .75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  font-size: .9rem;
}
.dial-search:focus {
  border-color: var(--brand);
  box-shadow: var(--focus-ring);
  outline: none;
}
.input-group {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: var(--space-3);
}



  /* dial-wrap, dial-search는 더 이상 안 쓰이므로 삭제하거나 둬도 무방 */