/* ==========================================================================
   프리미엄 법률사무소 데모 — 에디토리얼(매거진형) 레이아웃
   page-portfolio-premium-lawfirm.php 전용. pn- 프리픽스로 메인 사이트와 분리.
   컬러 배분: 화이트 70% / 네이비 20% / 버건디 10%, 블랙은 포인트로만 사용.
   카드 나열형 컴포넌트를 쓰지 않고 섹션마다 다른 레이아웃을 사용한다.
   ========================================================================== */
:root {
  --pn-navy: #142035;
  --pn-navy-deep: #0a1120;
  --pn-gold: #7a1530;
  --pn-gold-soft: #a8415f;
  --pn-white: #ffffff;
  --pn-ivory: #faf9f6;
  --pn-black: #0d0d0d;
  --pn-text: #1a1c22;
  --pn-text-soft: #565b66;
  --pn-line: #e4e2db;
  --pn-font: 'Pretendard', 'Noto Sans KR', sans-serif;
}

.pn * { box-sizing: border-box; }
.pn {
  font-family: var(--pn-font);
  color: var(--pn-text);
  background: var(--pn-white);
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
  line-height: 1.85;
}
.pn img { max-width: 100%; display: block; }
.pn a { color: inherit; text-decoration: none; }
.pn ul { list-style: none; margin: 0; padding: 0; }
.pn h1, .pn h2, .pn h3, .pn h4 { color: var(--pn-navy); margin: 0; font-weight: 700; letter-spacing: -.02em; }

.pn-wrap { max-width: 1240px; margin: 0 auto; padding: 0 40px; }

/* 라벨/이레이 */
.pn-label { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--pn-gold); margin-bottom: 18px; }
.pn-label-dark { color: var(--pn-navy); opacity: .55; }

/* 사진 미비 placeholder — 일러스트 대신 톤온톤 블록 + 캡션 (편집 디자인의 "TK" 관행) */
.pn-photo-tk {
  position: relative; background: linear-gradient(155deg, #1c2b45 0%, var(--pn-navy-deep) 100%);
  display: flex; align-items: flex-end; overflow: hidden;
}
.pn-photo-tk::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.35), transparent 55%); }
.pn-photo-tk-cap {
  position: relative; z-index: 1; color: rgba(255,255,255,.75); font-size: 13px; letter-spacing: .04em;
  padding: 16px 22px; border-top: 1px solid rgba(255,255,255,.2); width: 100%;
}
.pn-photo-tk.is-light { background: linear-gradient(155deg, #eceae2 0%, #d8d5c8 100%); }
.pn-photo-tk.is-light::after { background: linear-gradient(0deg, rgba(20,32,53,.12), transparent 55%); }
.pn-photo-tk.is-light .pn-photo-tk-cap { color: var(--pn-text-soft); border-top-color: rgba(20,32,53,.14); }

/* 스크롤 리빌 — 애플 스타일: 느리고 부드럽게 */
.pn [data-r] { opacity: 0; transform: translateY(34px); transition: opacity 1.05s cubic-bezier(.22,1,.36,1), transform 1.05s cubic-bezier(.22,1,.36,1); }
.pn [data-r].is-v { opacity: 1; transform: none; }
.pn [data-r="fade"] { transform: none; }

/* 텍스트 링크 (버튼 대신 사용) */
.pn-link { position: relative; font-weight: 600; font-size: 15px; padding-bottom: 3px; display: inline-flex; align-items: center; gap: 8px; }
.pn-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; opacity: .3; transition: opacity .3s ease; }
.pn-link:hover::after { opacity: 1; }
.pn-link-gold { color: var(--pn-gold); }
.pn-link-white { color: #fff; }
.pn-link-navy { color: var(--pn-navy); }
.pn-btn-outline {
  display: inline-block; padding: 15px 34px; border: 1px solid rgba(255,255,255,.4); color: #fff; font-size: 14.5px;
  font-weight: 600; letter-spacing: .03em; transition: background .35s ease, border-color .35s ease;
}
.pn-btn-outline:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.7); }
.pn-btn-outline.is-navy { border-color: rgba(20,32,53,.35); color: var(--pn-navy); }
.pn-btn-outline.is-navy:hover { background: rgba(20,32,53,.05); }

/* ===== Header ===== */
.pn-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300; padding: 30px 0;
  transition: background .5s ease, padding .5s ease, border-color .5s ease;
  border-bottom: 1px solid transparent;
}
.pn-header.is-scrolled { background: rgba(255,255,255,.94); backdrop-filter: blur(6px); padding: 18px 0; border-color: var(--pn-line); }
.pn-header-inner { display: flex; align-items: center; justify-content: space-between; }
.pn-logo { font-size: 18px; font-weight: 700; letter-spacing: .04em; color: #fff; transition: color .5s ease; }
.pn-header.is-scrolled .pn-logo { color: var(--pn-navy); }
.pn-logo b { color: var(--pn-gold-soft); font-weight: 700; }
.pn-header.is-scrolled .pn-logo b { color: var(--pn-gold); }
.pn-nav { display: flex; gap: 40px; }
.pn-nav a { font-size: 14.5px; font-weight: 500; color: rgba(255,255,255,.85); letter-spacing: .01em; transition: color .5s ease; }
.pn-header.is-scrolled .pn-nav a { color: var(--pn-text); }
.pn-nav a:hover { color: var(--pn-gold-soft); }
.pn-header.is-scrolled .pn-nav a:hover { color: var(--pn-gold); }
.pn-header-cta { font-size: 14px; color: #fff; border-bottom: 1px solid var(--pn-gold-soft); padding-bottom: 2px; transition: color .5s ease, border-color .5s ease; }
.pn-header.is-scrolled .pn-header-cta { color: var(--pn-navy); border-color: var(--pn-gold); }
.pn-nav-toggle { display: none; }

/* ===== Hero — 좌 카피 / 우 사진 TK, 배경 텍스처 ===== */
.pn-hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: var(--pn-navy-deep); overflow: hidden; }
.pn-hero-bg {
  position: absolute; inset: 0; opacity: .9;
  background: url('../img/premium-hero-bg.svg') center/cover no-repeat;
  will-change: transform;
}
.pn-hero-scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8,14,28,.92) 0%, rgba(8,14,28,.66) 48%, rgba(8,14,28,.3) 100%); }
.pn-hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; width: 100%; align-items: center; }
.pn-hero h1 { color: #fff; font-size: clamp(40px, 4.6vw, 60px); line-height: 1.22; letter-spacing: -.02em; margin-bottom: 30px; }
.pn-hero-rule { width: 64px; height: 1px; background: var(--pn-gold); margin-bottom: 26px; }
.pn-hero p.pn-lede { color: rgba(255,255,255,.78); font-size: 19px; line-height: 1.85; max-width: 480px; margin-bottom: 44px; font-weight: 300; }
.pn-hero-links { display: flex; gap: 40px; align-items: center; }
.pn-hero-figure { position: relative; height: 74vh; }
.pn-hero-scrolldown {
  position: absolute; left: 40px; bottom: 40px; z-index: 2; color: rgba(255,255,255,.55); font-size: 12px;
  letter-spacing: .2em; display: flex; align-items: center; gap: 12px; text-transform: uppercase;
}
.pn-hero-scrolldown::after { content: ""; width: 26px; height: 1px; background: rgba(255,255,255,.4); animation: pn-scroll-cue 2.4s ease-in-out infinite; }
@keyframes pn-scroll-cue { 0%,100% { transform: scaleX(1); opacity: .4; } 50% { transform: scaleX(1.6); opacity: 1; } }

/* ===== 에디토리얼 인용 섹션 ===== */
.pn-statement { padding: 150px 0 110px; background: var(--pn-white); text-align: center; }
.pn-statement-mark { font-family: Georgia, serif; font-size: 90px; color: var(--pn-gold); line-height: 1; margin-bottom: 10px; opacity: .85; }
.pn-statement blockquote {
  margin: 0 auto; max-width: 780px; font-size: clamp(24px, 2.6vw, 34px); font-weight: 600; color: var(--pn-navy);
  line-height: 1.6; letter-spacing: -.01em;
}
.pn-statement-by { margin-top: 24px; color: var(--pn-text-soft); font-size: 14.5px; letter-spacing: .04em; }
.pn-stat-row { display: flex; justify-content: center; gap: 0; margin-top: 78px; }
.pn-stat { padding: 0 42px; border-left: 1px solid var(--pn-line); }
.pn-stat:first-child { border-left: none; }
.pn-stat-n { font-size: 40px; font-weight: 700; color: var(--pn-navy); font-variant-numeric: tabular-nums; }
.pn-stat-n .u { color: var(--pn-gold); }
.pn-stat-l { display: block; margin-top: 6px; color: var(--pn-text-soft); font-size: 13.5px; letter-spacing: .03em; }

/* ===== 업무분야 — 좌우 교차 피처 로우 (카드 금지) ===== */
.pn-features { padding: 30px 0 60px; }
.pn-features-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 70px; gap: 40px; }
.pn-features-head h2 { font-size: clamp(30px, 3.2vw, 42px); max-width: 480px; }
.pn-features-head p { color: var(--pn-text-soft); font-size: 16px; max-width: 340px; margin: 0; }

.pn-feature-row { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; padding: 70px 0; border-top: 1px solid var(--pn-line); }
.pn-feature-row:last-of-type { border-bottom: 1px solid var(--pn-line); }
.pn-feature-row.is-rev { direction: rtl; }
.pn-feature-row.is-rev > * { direction: ltr; }
.pn-feature-num { font-size: 15px; color: var(--pn-gold); font-weight: 700; letter-spacing: .1em; margin-bottom: 18px; }
.pn-feature-row h3 { font-size: 30px; margin-bottom: 18px; }
.pn-feature-row p { color: var(--pn-text-soft); font-size: 16px; max-width: 420px; margin-bottom: 26px; }
.pn-feature-photo { aspect-ratio: 4/3; }
.pn-feature-row:nth-child(odd) .pn-feature-photo { aspect-ratio: 5/4; }

.pn-features-rest { margin-top: 30px; padding: 34px 0; border-top: 1px solid var(--pn-line); display: flex; flex-wrap: wrap; gap: 14px 34px; align-items: baseline; }
.pn-features-rest span.pn-label-dark { margin: 0; }
.pn-features-rest a { font-size: 15.5px; color: var(--pn-text-soft); border-bottom: 1px solid transparent; }
.pn-features-rest a:hover { color: var(--pn-navy); border-color: var(--pn-navy); }

/* ===== 대표변호사 — 브랜드 소개형 ===== */
.pn-partner { background: var(--pn-ivory); padding: 130px 0; }
.pn-partner-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: center; }
.pn-partner-photo { aspect-ratio: 3/4; }
.pn-partner-role { color: var(--pn-gold); font-size: 14px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; display: block; }
.pn-partner h2 { font-size: clamp(34px, 3.6vw, 46px); margin-bottom: 30px; }
.pn-partner-quote { font-size: 19px; color: var(--pn-navy); line-height: 1.8; font-weight: 500; margin-bottom: 40px; padding-left: 22px; border-left: 2px solid var(--pn-gold); }
.pn-partner-facts { display: flex; flex-wrap: wrap; gap: 32px 48px; margin-bottom: 40px; }
.pn-partner-fact dt { font-size: 12.5px; color: var(--pn-text-soft); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.pn-partner-fact dd { margin: 0; font-size: 15.5px; color: var(--pn-text); }

/* ===== 성공사례 — 신문 인덱스형 리스트 (카드 금지) ===== */
.pn-cases { padding: 130px 0; }
.pn-cases-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; }
.pn-cases-head h2 { font-size: clamp(30px, 3.2vw, 42px); }
.pn-case-row {
  display: grid; grid-template-columns: 60px 1fr auto; gap: 30px; align-items: baseline;
  padding: 34px 0; border-top: 1px solid var(--pn-line);
}
.pn-cases-list .pn-case-row:last-child { border-bottom: 1px solid var(--pn-line); }
.pn-case-idx { font-size: 15px; color: var(--pn-text-soft); font-weight: 600; }
.pn-case-main h3 { font-size: 21px; margin-bottom: 8px; }
.pn-case-main .pn-case-meta { font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--pn-gold); margin-bottom: 10px; display: block; }
.pn-case-main p { margin: 0; color: var(--pn-text-soft); font-size: 15.5px; max-width: 640px; }
.pn-case-result { font-size: 15px; font-weight: 700; color: var(--pn-navy); white-space: nowrap; text-align: right; }

/* ===== 고객후기 — 인터뷰 기사형 ===== */
.pn-interview { background: var(--pn-navy); color: #fff; padding: 140px 0; position: relative; overflow: hidden; }
.pn-interview-grid { display: grid; grid-template-columns: .4fr .6fr; gap: 70px; align-items: center; }
.pn-interview-mark { font-family: Georgia, serif; font-size: 120px; color: var(--pn-gold); opacity: .8; line-height: .6; }
.pn-interview-quote { font-size: clamp(21px, 2.2vw, 27px); line-height: 1.75; font-weight: 300; margin-bottom: 30px; }
.pn-interview-by { font-size: 14px; color: rgba(255,255,255,.6); letter-spacing: .05em; }
.pn-interview-by b { color: var(--pn-gold-soft); font-weight: 600; }
.pn-interview-nav { display: flex; gap: 26px; margin-top: 48px; }
.pn-interview-nav button {
  background: none; border: none; color: rgba(255,255,255,.5); font-size: 13.5px; letter-spacing: .1em; cursor: pointer;
  padding: 0 0 4px; border-bottom: 1px solid transparent; transition: color .3s ease, border-color .3s ease;
}
.pn-interview-nav button:hover, .pn-interview-nav button.is-on { color: #fff; border-color: var(--pn-gold); }

/* ===== 상담안내 — 좌우 분할, 중앙정렬 금지 ===== */
.pn-consult { padding: 130px 0; }
.pn-consult-grid { display: grid; grid-template-columns: .55fr .45fr; gap: 90px; }
.pn-consult-steps { counter-reset: step; }
.pn-consult-step { display: flex; gap: 26px; padding: 26px 0; border-top: 1px solid var(--pn-line); }
.pn-consult-steps .pn-consult-step:last-child { border-bottom: 1px solid var(--pn-line); }
.pn-consult-step-n { font-size: 26px; font-weight: 300; color: var(--pn-gold); font-variant-numeric: tabular-nums; min-width: 46px; }
.pn-consult-step h4 { font-size: 17.5px; margin-bottom: 6px; }
.pn-consult-step p { margin: 0; color: var(--pn-text-soft); font-size: 15px; }
.pn-consult-panel { background: var(--pn-navy); color: #fff; padding: 48px 42px; align-self: start; }
.pn-consult-panel h3 { color: #fff; font-size: 22px; margin-bottom: 22px; }
.pn-consult-panel dl { margin: 0 0 30px; }
.pn-consult-panel dt { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 4px; }
.pn-consult-panel dd { margin: 0 0 20px; font-size: 15.5px; }
.pn-consult-tel { font-size: 24px; font-weight: 700; color: var(--pn-gold-soft); margin-bottom: 22px; display: block; }

/* ===== FAQ — 미니멀 텍스트 아코디언 ===== */
.pn-faq { padding: 100px 0 140px; }
.pn-faq-grid { display: grid; grid-template-columns: .4fr .6fr; gap: 70px; }
.pn-faq-list details { border-top: 1px solid var(--pn-line); padding: 26px 0; }
.pn-faq-list details:last-child { border-bottom: 1px solid var(--pn-line); }
.pn-faq-list summary { cursor: pointer; font-size: 17px; font-weight: 600; color: var(--pn-navy); list-style: none; display: flex; justify-content: space-between; }
.pn-faq-list summary::-webkit-details-marker { display: none; }
.pn-faq-list summary::after { content: "+"; color: var(--pn-gold); font-size: 20px; font-weight: 300; }
.pn-faq-list details[open] summary::after { content: "–"; }
.pn-faq-list p { color: var(--pn-text-soft); font-size: 15px; margin: 16px 0 0; max-width: 560px; }

/* ===== CTA — 비중앙, 네이비 풀블리드 ===== */
.pn-cta { background: var(--pn-navy-deep); color: #fff; padding: 130px 0; }
.pn-cta-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: center; }
.pn-cta h2 { color: #fff; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.35; }
.pn-cta-right { text-align: left; border-left: 1px solid rgba(255,255,255,.18); padding-left: 50px; }
.pn-cta-tel { font-size: 30px; font-weight: 700; color: var(--pn-gold-soft); margin-bottom: 22px; display: block; }

/* ===== Footer — 브랜드형 ===== */
.pn-footer { background: var(--pn-black); color: rgba(255,255,255,.55); padding: 90px 0 30px; }
.pn-footer-brand { font-size: 34px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.pn-footer-brand b { color: var(--pn-gold); }
.pn-footer-tag { color: rgba(255,255,255,.45); font-size: 15px; margin-bottom: 70px; max-width: 420px; }
.pn-footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; padding-top: 50px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13.5px; }
.pn-footer-col h5 { color: rgba(255,255,255,.85); font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 18px; font-weight: 600; }
.pn-footer-col li { margin-bottom: 11px; }
.pn-footer-col a:hover { color: #fff; }
.pn-footer-bottom { margin-top: 60px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: rgba(255,255,255,.35); }

/* ===== Demo banner ===== */
.pn-demo-banner { background: #f4ead0; color: #4a3a10; font-size: 13.5px; padding: 12px 0; text-align: center; position: relative; z-index: 400; }
.pn-demo-banner .pn-wrap { display: flex; gap: 12px; align-items: center; justify-content: center; flex-wrap: wrap; padding: 0 20px; }
.pn-demo-banner a { text-decoration: underline; font-weight: 700; }

.pn-float-call { display: none; }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .pn-nav { display: none; }
  .pn-header-cta { display: none; }
  .pn-header.is-open .pn-nav {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--pn-navy-deep); padding: 6px 22px 22px;
  }
  .pn-header.is-open .pn-nav a {
    padding: 14px 0; border-top: 1px solid rgba(255,255,255,.12); color: #fff;
  }
  .pn-header.is-open .pn-nav a:first-child { border-top: none; }
  .pn-nav-toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
  .pn-nav-toggle span { width: 22px; height: 1.5px; background: currentColor; }
  .pn-hero-inner { grid-template-columns: 1fr; }
  .pn-hero-figure { display: none; }
  .pn-statement-mark { font-size: 64px; }
  .pn-stat-row { flex-wrap: wrap; gap: 20px 0; }
  .pn-stat { border-left: none; padding: 0 24px; }
  .pn-feature-row, .pn-feature-row.is-rev { grid-template-columns: 1fr; direction: ltr; gap: 30px; }
  .pn-partner-grid { grid-template-columns: 1fr; }
  .pn-interview-grid { grid-template-columns: 1fr; text-align: left; }
  .pn-interview-mark { font-size: 80px; }
  .pn-consult-grid { grid-template-columns: 1fr; }
  .pn-faq-grid { grid-template-columns: 1fr; }
  .pn-cta-grid { grid-template-columns: 1fr; }
  .pn-cta-right { border-left: none; padding-left: 0; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.18); }
  .pn-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .pn { font-size: 16px; }
  .pn-wrap { padding: 0 22px; }
  .pn-header { padding: 22px 0; }
  .pn-hero-scrolldown { display: none; }
  .pn-statement { padding: 100px 0 70px; }
  .pn-features, .pn-partner, .pn-cases, .pn-interview, .pn-consult, .pn-faq, .pn-cta { padding-top: 80px; padding-bottom: 80px; }
  .pn-case-row { grid-template-columns: 34px 1fr; }
  .pn-case-result { grid-column: 2; text-align: left; margin-top: 6px; }
  .pn-footer-grid { grid-template-columns: 1fr; }
  .pn-footer-bottom { flex-direction: column; }
  .pn-float-call {
    display: flex; position: fixed; right: 18px; bottom: 18px; z-index: 250; width: 56px; height: 56px; border-radius: 50%;
    background: var(--pn-gold); color: #fff; align-items: center; justify-content: center; box-shadow: 0 10px 26px rgba(0,0,0,.3);
  }
  .pn-float-call .icon { width: 24px; height: 24px; }
}