/* ================================================================
   TRUVELLI — premium-home.css
   main.html 전용 · dark-luxury editorial
   CSS 변수는 style.css :root에서 상속
   ================================================================ */

/* ── 메인 배경 ── */
.premium-home {
  background: var(--cream);
}

/* ── 배관 블루프린트 SVG ── */
.pipe-blueprint {
  position: absolute; inset: 0;
  pointer-events: none; overflow: hidden; opacity: .28;
}
.pipe-blueprint svg { width: 100%; height: 100%; }
.pipe-line {
  fill: none;
  stroke: var(--teal);
  stroke-width: 1.2;
  stroke-dasharray: 6 5;
  opacity: .5;
}
.pipe-line-a { stroke: var(--navy); }
.pipe-line-b { stroke: var(--teal); }
.pipe-line-c { stroke: var(--gold); opacity: .35; }
.pipe-blueprint circle { fill: var(--teal); opacity: .35; }
.pipe-blueprint rect { fill: none; stroke: var(--gold); stroke-width: 1; opacity: .3; }

/* ── 브랜드 리본 ── */
.brand-ribbon {
  position: absolute; left: 0; right: 0; overflow: hidden;
  padding: 11px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: transparent;
  z-index: 3;
}
.brand-ribbon-top { top: 72px; }
.brand-ribbon-bottom { bottom: 0; }
.brand-ribbon-track {
  display: flex; gap: 0; white-space: nowrap;
  animation: ribbonScroll 28s linear infinite;
}
.brand-ribbon-track.reverse { animation-direction: reverse; }
.brand-ribbon-track span {
  flex-shrink: 0; padding-right: 64px;
  font-size: .62rem; font-weight: 900;
  letter-spacing: .22em;
  color: rgba(13,31,45,.28);
}
@keyframes ribbonScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .brand-ribbon-track { animation: none; }
}

/* ── 헤더 바 ── */
.drop-hero {
  position: relative; overflow: hidden;
  color: var(--navy);
}
.premium-home .drop-hero {
  min-height: auto;
  padding: 0 clamp(20px, 4vw, 48px) 80px;
  background:
    linear-gradient(90deg, rgba(13,31,45,.025) 1px, transparent 1px),
    linear-gradient(rgba(13,31,45,.025) 1px, transparent 1px),
    radial-gradient(circle at 78% 14%, rgba(74,157,156,.14), transparent 28%),
    radial-gradient(circle at 22% 80%, rgba(201,169,110,.06), transparent 28%),
    var(--cream);
  background-size: 48px 48px, 48px 48px, auto, auto, auto;
}
.premium-home .pipe-blueprint { opacity: .22; }
.premium-home .brand-ribbon { display: none; }

.drop-hero-bar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  width: min(1440px, calc(100% - 0px));
  min-height: 72px; padding: 0 clamp(16px, 3vw, 32px);
  margin: 0 auto;
  background: rgba(245, 243, 236, .92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-light);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.drop-hero-bar.scrolled {
  background: rgba(245, 243, 236, .98);
  box-shadow: 0 4px 24px rgba(13,31,45,.08);
}

/* 브랜드 마크 */
.drop-brand {
  display: flex; align-items: center; gap: 11px;
  color: var(--navy); text-decoration: none;
}
.drop-brand-mark {
  width: 28px; height: 34px; flex-shrink: 0;
  border-radius: 52% 48% 57% 43% / 62% 45% 55% 38%;
  transform: rotate(45deg);
  background: linear-gradient(145deg, #0b5265, var(--teal));
  position: relative;
}
.drop-brand-mark::after {
  content: "";
  position: absolute; left: 6px; top: 5px;
  width: 8px; height: 11px; border-radius: 50%;
  background: rgba(255,255,255,.85);
}
.drop-brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: .96rem; font-weight: 600;
  letter-spacing: .16em; color: var(--navy);
}
.drop-brand small {
  display: block;
  font-size: .58rem; font-weight: 700;
  letter-spacing: .1em;
  color: rgba(13,31,45,.45);
}

/* 브랜드 래퍼 + 관리자 링크 */
.drop-brand-wrap { display: flex; align-items: center; gap: 10px; }
.drop-admin-link {
  font-size: .58rem; font-weight: 700; letter-spacing: .1em;
  color: rgba(13,31,45,.28); text-decoration: none;
  padding: 3px 8px; border-radius: 3px;
  border: 1px solid rgba(13,31,45,.12);
  transition: color .2s, border-color .2s;
  white-space: nowrap;
}
.drop-admin-link:hover { color: var(--teal); border-color: var(--teal); }

/* 메인 내비 */
.drop-main-nav {
  display: flex; align-items: center; gap: clamp(16px, 2.5vw, 32px);
}
.drop-main-nav a {
  color: rgba(13,31,45,.55);
  text-decoration: none;
  font-size: .7rem; font-weight: 700;
  letter-spacing: .05em;
  transition: color .2s;
  position: relative;
}
.drop-main-nav a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -4px;
  height: 1px; background: var(--teal);
  transition: right .25s var(--ease);
}
.drop-main-nav a:hover { color: var(--navy); }
.drop-main-nav a:hover::after { right: 0; }

.drop-nav-actions { display: flex; align-items: center; gap: 10px; }

/* 모바일 메뉴 */
.drop-mobile-menu { position: relative; }
.drop-mobile-menu summary {
  padding: 9px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  color: var(--navy);
  background: transparent;
  font-size: .72rem; font-weight: 700;
  cursor: pointer; list-style: none;
}
.drop-mobile-menu summary::-webkit-details-marker { display: none; }
.drop-mobile-menu nav {
  position: absolute; right: 0; top: calc(100% + 8px);
  width: 220px;
  background: var(--cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(13,31,45,.14);
  padding: 8px 0;
  z-index: 200;
}
.drop-mobile-menu nav a {
  display: block; padding: 11px 20px;
  color: rgba(13,31,45,.65);
  text-decoration: none;
  font-size: .78rem; font-weight: 600;
  transition: background .15s, color .15s;
}
.drop-mobile-menu nav a:hover { background: var(--teal-dim); color: var(--navy); }

.drop-contact-shortcut {
  height: 44px; padding: 0 22px;
  border: none; border-radius: var(--radius);
  color: var(--cream); background: var(--navy);
  font: 700 .72rem var(--font-sans);
  letter-spacing: .06em; cursor: pointer;
  transition: transform .2s var(--ease), background .2s;
}
.drop-contact-shortcut:hover { transform: translateY(-2px); background: var(--charcoal); }

/* ================================================================
   PREMIUM HERO
   ================================================================ */
.premium-hero {
  position: relative; z-index: 4;
  display: grid;
  width: min(1440px, 100%);
  min-height: 800px;
  grid-template-columns: minmax(0, .9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: clamp(48px, 7vw, 110px);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 148px) clamp(20px, 4vw, 48px) clamp(60px, 10vw, 96px);
}

.premium-overline {
  color: var(--teal);
  font-size: .63rem; font-weight: 900;
  letter-spacing: .28em;
  margin-bottom: 0;
}

.premium-hero h1 { margin-top: 22px; }

.premium-wordmark {
  display: block;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: clamp(5rem, 9.5vw, 10rem);
  font-weight: 500;
  line-height: .68;
  letter-spacing: -.07em;
}

.premium-hero h1 strong {
  display: block;
  margin-top: 38px;
  color: var(--navy);
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3.1vw, 3.5rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.04em;
  word-break: keep-all;
}

.premium-hero h1 em {
  color: var(--teal);
  font-family: var(--font-display);
  font-size: 1.12em;
  font-weight: 600;
  font-style: italic;
}

.premium-lead {
  max-width: 580px;
  margin-top: 26px;
  color: rgba(13,31,45,.55);
  font-size: .9rem; line-height: 1.95;
}

.premium-hero-actions {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px;
}

.premium-button {
  display: inline-flex; min-width: 160px; height: 54px;
  align-items: center; justify-content: center;
  padding: 0 28px;
  border: 1px solid var(--navy);
  border-radius: var(--radius);
  font: 800 .76rem var(--font-sans);
  letter-spacing: .04em; text-decoration: none; cursor: pointer;
  transition: transform .22s var(--ease), color .22s, background .22s, border-color .22s;
  position: relative; overflow: hidden;
}
.premium-button::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--gold);
  transform: translateX(-100%);
  transition: transform .32s var(--ease);
  z-index: 0;
}
.premium-button > * { position: relative; z-index: 1; }
.premium-button:hover { transform: translateY(-2px); }
.premium-button:hover::before { transform: translateX(0); }
.premium-button-primary { color: var(--cream); background: var(--navy); border-color: var(--navy); }
.premium-button-primary:hover { color: var(--navy); border-color: var(--gold); }
.premium-button-secondary { color: var(--navy); background: transparent; }
.premium-button-secondary:hover { color: var(--navy); border-color: var(--gold); }

.premium-proof {
  display: grid;
  max-width: 520px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 44px;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.premium-proof div { padding: 18px 14px 19px 0; }
.premium-proof div + div { padding-left: 16px; border-left: 1px solid var(--border-light); }
.premium-proof dt {
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 600; line-height: 1;
}
.premium-proof dd {
  margin-top: 6px;
  color: rgba(13,31,45,.45);
  font-size: .62rem; font-weight: 700; letter-spacing: .06em;
}

/* ── 비주얼 영역 ── */
.premium-hero-visual {
  position: relative; min-height: 600px;
}
.premium-visual-frame {
  position: absolute; inset: 24px 16px 40px 60px;
  overflow: hidden;
  background: var(--cream-dim);
  box-shadow: 0 40px 90px rgba(13,31,45,.18);
}
.premium-visual-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13,31,45,.72) 100%);
}
.premium-visual-frame > img {
  display: block; width: 100%; height: 100%;
  object-fit: cover; filter: saturate(.82) contrast(1.04);
}
.premium-visual-index {
  position: absolute; z-index: 2; top: 22px; right: 22px;
  padding: 7px 11px;
  color: var(--cream); background: rgba(13,31,45,.74);
  font-size: .58rem; font-weight: 900; letter-spacing: .2em;
}
.premium-visual-caption {
  position: absolute; z-index: 2;
  right: 28px; bottom: 28px; left: 28px;
  color: var(--cream);
}
.premium-visual-caption small, .premium-visual-caption strong { display: block; }
.premium-visual-caption small {
  margin-bottom: 7px;
  color: rgba(245,243,236,.62);
  font-size: .58rem; font-weight: 900; letter-spacing: .16em;
}
.premium-visual-caption strong { font-size: 1.05rem; font-weight: 700; line-height: 1.4; }

/* 소형 카드 */
.premium-visual-card {
  position: absolute; z-index: 3;
  width: 180px; overflow: hidden;
  border: 7px solid var(--cream);
  background: var(--cream);
  box-shadow: 0 20px 52px rgba(13,31,45,.18);
}
.premium-visual-card img {
  display: block; width: 100%; aspect-ratio: 4 / 3;
  object-fit: cover; filter: saturate(.78);
}
.premium-visual-card figcaption {
  padding: 9px 6px 5px;
  color: var(--navy);
  font-size: .62rem; font-weight: 800; letter-spacing: .04em;
}
.premium-visual-card-a { top: 4px; left: 0; transform: rotate(-2.5deg); }
.premium-visual-card-b { right: 0; bottom: 0; transform: rotate(2.5deg); }

/* 대각선 강조 */
.premium-diagonal {
  position: absolute; z-index: 2; display: block;
  height: 10px; transform: rotate(-42deg); transform-origin: left center;
}
.premium-diagonal-a { top: 46px; right: -72px; width: 200px; background: var(--teal); }
.premium-diagonal-b { bottom: 26px; left: 18px; width: 140px; height: 4px; background: var(--gold); }

/* ================================================================
   DROP SELECTOR (누수 장소 선택)
   ================================================================ */
.drop-selector {
  position: relative; z-index: 5;
  width: min(1300px, calc(100% - 0px));
  margin: 0 auto 0;
  padding: 44px clamp(20px, 4vw, 52px) 28px;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.6);
  box-shadow: 0 20px 60px rgba(13,31,45,.07);
}
.drop-selector-heading {
  display: flex; align-items: center; gap: 20px; margin-bottom: 28px;
}
.drop-selector-heading > span {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--navy); color: var(--cream);
  font-family: var(--font-display);
  font-size: .9rem; font-weight: 600;
  flex-shrink: 0;
}
.drop-selector-heading > div { }
.drop-selector-heading strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem; font-weight: 700; color: var(--navy);
}
.drop-selector-heading small {
  display: block; margin-top: 4px;
  font-size: .74rem; color: rgba(13,31,45,.45);
}

/* 캐러셀 */
.drop-carousel-shell {
  position: relative; display: flex; align-items: center; gap: 12px;
}
.drop-nav {
  width: 44px; height: 44px; flex-shrink: 0;
  border: 1px solid var(--border-light); border-radius: 50%;
  background: rgba(255,255,255,.8); color: var(--navy);
  font-size: 1.3rem; cursor: pointer;
  transition: background .2s, border-color .2s;
  display: flex; align-items: center; justify-content: center;
}
.drop-nav:hover { background: var(--navy); color: var(--cream); border-color: var(--navy); }

.drop-carousel {
  position: relative; flex: 1; overflow: hidden;
  height: 120px; cursor: pointer;
}
.drop-orbit-line {
  position: absolute; left: 0; right: 0; top: 50%;
  height: 1px; background: var(--border-light);
  transform: translateY(-50%);
}
.drop-carousel-track {
  position: absolute; top: 0; left: 0;
  display: flex; align-items: center;
  height: 100%; gap: 16px;
  transition: transform .45s var(--ease);
}
.drop-center-guide {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.drop-center-guide span {
  font-size: .6rem; font-weight: 900;
  letter-spacing: .2em; color: rgba(13,31,45,.2);
}

/* 물방울 아이템 */
.drop-item {
  flex-shrink: 0; display: flex; flex-direction: column; align-items: center;
  gap: 8px; cursor: pointer; transition: transform .3s var(--ease);
}
.drop-item-icon {
  width: 52px; height: 62px;
  border-radius: 52% 48% 58% 42% / 62% 45% 55% 38%;
  transform: rotate(45deg);
  background: var(--cream-dim);
  border: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: background .3s, border-color .3s, transform .3s;
}
.drop-item-icon span { transform: rotate(-45deg); display: block; }
.drop-item-label {
  font-size: .68rem; font-weight: 700;
  color: rgba(13,31,45,.55); letter-spacing: .05em;
  white-space: nowrap;
}
.drop-item.is-center .drop-item-icon {
  background: var(--navy); border-color: var(--navy);
}
.drop-item.is-center .drop-item-icon span { filter: invert(1); }
.drop-item.is-center .drop-item-label { color: var(--navy); font-weight: 900; }
.drop-item:hover { transform: translateY(-4px); }

.drop-selector-note {
  margin-top: 20px;
  font-size: .72rem; color: rgba(13,31,45,.38);
  line-height: 1.8; letter-spacing: .02em;
}

/* ── 포커스 패널 ── */
.drop-focus-panel {
  position: relative; z-index: 5;
  width: min(1300px, 100%);
  margin: 0 auto;
  padding: clamp(32px, 5vw, 56px);
  border: 1px solid var(--border-light);
  border-top: none;
  background: rgba(255,255,255,.7);
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.drop-focus-panel[hidden] { display: none !important; }
.drop-focus-close {
  position: absolute; top: 18px; right: 18px;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.8); color: var(--navy);
  font: inherit; font-size: 1.2rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.drop-focus-close:hover { background: var(--navy); color: var(--cream); }

.drop-focus-scene {
  position: relative; border-radius: var(--radius);
  overflow: hidden; min-height: 220px;
  background: var(--cream-dim);
}
.drop-focus-content { }
.drop-focus-step {
  font-size: .62rem; font-weight: 900;
  letter-spacing: .22em; color: var(--teal); margin-bottom: 10px;
}
#drop-focus-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700; color: var(--navy); margin-bottom: 10px;
}
#drop-focus-description { font-size: .86rem; color: rgba(13,31,45,.55); line-height: 1.9; }

.drop-upload-box {
  display: block; margin-top: 20px;
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-sm); padding: 24px;
  text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s;
}
.drop-upload-box:hover { border-color: var(--teal); background: var(--teal-dim); }
.drop-upload-box input { display: none; }
.drop-upload-icon { font-size: 1.8rem; display: block; margin-bottom: 10px; color: rgba(13,31,45,.35); }
.drop-upload-box strong { display: block; font-size: .86rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.drop-upload-box small { font-size: .74rem; color: rgba(13,31,45,.42); }

.drop-file-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.drop-start-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.drop-primary-button {
  height: 52px; border: none; border-radius: var(--radius);
  background: var(--navy); color: var(--cream);
  font: 800 .78rem var(--font-sans);
  letter-spacing: .06em; cursor: pointer;
  transition: transform .2s var(--ease), background .2s;
}
.drop-primary-button:hover { transform: translateY(-2px); background: var(--charcoal); }
.drop-text-button {
  height: 44px; border: 1px solid var(--border-light); border-radius: var(--radius-sm);
  background: transparent; color: rgba(13,31,45,.55);
  font: 600 .76rem var(--font-sans); cursor: pointer;
  transition: color .2s, border-color .2s;
}
.drop-text-button:hover { color: var(--navy); border-color: var(--navy); }

/* 로딩 / 질문 / 결과 */
.drop-loading {
  display: flex; flex-direction: column; align-items: center;
  gap: 14px; padding: 32px; text-align: center;
}
.drop-loading-ring {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--border-light);
  border-top-color: var(--teal);
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.drop-loading strong { font-size: .9rem; color: var(--navy); }
.drop-loading small { font-size: .78rem; color: rgba(13,31,45,.45); line-height: 1.75; }

.drop-question-progress {
  height: 2px; background: var(--border-light); margin-bottom: 16px; border-radius: 2px; overflow: hidden;
}
.drop-question-progress span {
  display: block; height: 100%; background: var(--teal);
  transition: width .4s var(--ease);
}
.drop-question-count { font-size: .68rem; font-weight: 900; letter-spacing: .16em; color: var(--teal); margin-bottom: 6px; }
#drop-question-title { font-family: var(--font-serif); font-size: 1.05rem; color: var(--navy); margin-bottom: 16px; }
.drop-question-options { display: flex; flex-wrap: wrap; gap: 8px; }
.drop-question-options button {
  padding: 8px 18px; border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--cream); color: rgba(13,31,45,.65);
  font: 600 .82rem var(--font-sans); cursor: pointer;
  transition: all .2s;
}
.drop-question-options button:hover,
.drop-question-options button.selected { background: var(--navy); color: var(--cream); border-color: var(--navy); }

.drop-result-label { font-size: .62rem; font-weight: 900; letter-spacing: .2em; color: var(--teal); margin-bottom: 6px; }
.drop-result-step h3 { font-family: var(--font-serif); font-size: 1.05rem; color: var(--navy); margin-bottom: 16px; }
.drop-result-summary {
  background: var(--teal-dim); border: 1px solid rgba(74,157,156,.2);
  border-radius: var(--radius-sm); padding: 16px 20px;
  font-size: .84rem; color: rgba(13,31,45,.7); line-height: 1.85;
}
.drop-result-caution { margin-top: 14px; font-size: .76px; color: rgba(13,31,45,.4); line-height: 1.8; }

/* ================================================================
   CAPABILITIES — 이미지 트레일 (dark section)
   ================================================================ */
.capability-section {
  position: relative;
  padding: var(--section-gap) 0;
  overflow: hidden;
  color: var(--cream);
  background:
    linear-gradient(90deg, rgba(245,243,236,.03) 1px, transparent 1px),
    var(--charcoal);
  background-size: 52px 100%;
}
.capability-inner {
  width: min(1380px, calc(100% - 48px)); margin: 0 auto;
}
.capability-heading {
  display: grid;
  grid-template-columns: .6fr 1.3fr 1fr;
  align-items: end;
  gap: 36px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--border-dark);
}
.capability-heading p {
  font-size: .62rem; font-weight: 900; letter-spacing: .26em; color: var(--teal);
}
.capability-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 4.2rem);
  font-weight: 600; line-height: 1.2; letter-spacing: -.048em;
  color: var(--cream);
}
.capability-heading h2 em {
  color: var(--gold);
  font-style: italic;
}
.capability-heading > span {
  color: rgba(245,243,236,.48);
  font-size: .78rem; line-height: 1.9;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(320px, .7fr) minmax(0, 1.3fr);
  gap: 0; margin-top: 60px;
  border: 1px solid var(--border-dark);
}
.capability-list { display: grid; }
.capability-item {
  display: grid; grid-template-columns: 44px 1fr;
  align-content: center; min-height: 128px;
  padding: 24px 30px;
  border: 0; border-bottom: 1px solid var(--border-dark);
  color: rgba(245,243,236,.45);
  background: transparent; text-align: left;
  cursor: pointer; transition: color .22s, background .22s;
}
.capability-item:last-child { border-bottom: 0; }
.capability-item > span {
  grid-row: 1 / 3;
  color: rgba(245,243,236,.2);
  font-family: var(--font-display); font-size: 1.3rem; font-style: italic;
}
.capability-item strong { font-size: 1rem; color: rgba(245,243,236,.7); letter-spacing: -.01em; }
.capability-item small {
  margin-top: 7px; display: block;
  color: rgba(245,243,236,.35); font-size: .66rem;
}
.capability-item:hover, .capability-item.is-active {
  color: var(--cream); background: var(--teal-dim);
}
.capability-item.is-active > span { color: var(--gold); }
.capability-item.is-active strong { color: var(--cream); }
.capability-item.is-active small { color: rgba(245,243,236,.55); }

/* 이미지 트레일 스테이지 */
.image-trail-stage {
  position: relative; min-height: 512px; overflow: hidden;
  background: var(--navy); cursor: crosshair; isolation: isolate;
}
.trail-grid {
  position: absolute; inset: 0; opacity: .12;
  background:
    linear-gradient(90deg, rgba(245,243,236,.1) 1px, transparent 1px),
    linear-gradient(rgba(245,243,236,.1) 1px, transparent 1px);
  background-size: 52px 52px;
}
.trail-copy {
  position: absolute; z-index: 1; left: 44px; bottom: 40px;
  pointer-events: none;
}
.trail-copy span { display: block; color: var(--teal); font-size: .56rem; font-weight: 900; letter-spacing: .24em; }
.trail-copy strong {
  display: block; margin-top: 11px;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 4.5rem); font-weight: 600;
  color: var(--cream);
}
.trail-copy small { display: block; margin-top: 4px; color: rgba(245,243,236,.38); font-size: .66rem; }

.trail-image {
  position: absolute; z-index: 3;
  width: clamp(130px, 15vw, 210px); aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 6px solid var(--cream);
  box-shadow: 0 18px 52px rgba(7,14,22,.45);
  pointer-events: none;
  animation: trailIn .34s var(--ease-out) both;
  will-change: transform, opacity;
}
@keyframes trailIn {
  from { opacity:0; transform: translate(-50%, -50%) scale(.72) rotate(var(--trail-rotate)); }
  to   { opacity:1; transform: translate(-50%, -50%) scale(1)   rotate(var(--trail-rotate)); }
}
.trail-mobile-image { display: none; }

/* ================================================================
   CONSULTATION PROCESS (light section)
   ================================================================ */
.consult-process-section {
  padding: var(--section-gap) 0;
  background: var(--cream);
}
.consult-process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  counter-reset: process;
}
.consult-process-grid article {
  padding: 48px 36px;
  background: #fff;
  border: 1px solid var(--border-light);
  position: relative;
  transition: border-color .3s;
}
.consult-process-grid article:hover { border-color: var(--teal); }
.consult-process-grid article > span {
  display: block;
  font-family: var(--font-display);
  font-size: 3.5rem; font-weight: 500;
  color: var(--navy); opacity: .08;
  line-height: 1; margin-bottom: 18px;
  letter-spacing: -.04em;
}
.consult-process-grid article strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem; font-weight: 700;
  color: var(--navy); margin-bottom: 12px;
}
.consult-process-grid article p {
  font-size: .84rem; color: rgba(13,31,45,.55); line-height: 1.9;
}

/* ================================================================
   CASE PREVIEW (light + teal section)
   ================================================================ */
.case-preview-section {
  padding: var(--section-gap) 0;
  background: #eef2f0;
}
.case-preview-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.case-all-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px;
  border: 1px solid var(--border-light); border-radius: var(--radius);
  color: rgba(13,31,45,.65); text-decoration: none;
  font-size: .74rem; font-weight: 700; letter-spacing: .06em;
  transition: background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.case-all-link:hover { background: var(--navy); color: var(--cream); border-color: var(--navy); }

/* 케이스 카드 오버라이드 (라이트 섹션) */
.case-preview-section .case-card {
  border-radius: var(--radius-sm);
  box-shadow: 0 14px 42px rgba(13,31,45,.07);
}
.case-preview-section .case-card-media { border-radius: 0; }

/* ================================================================
   SERVICE NAVIGATION CARDS (3D tilt)
   ================================================================ */
.pm-nav-cards {
  padding: var(--section-gap) 0;
  background: var(--charcoal);
}
.pm-nav-cards-inner {
  width: min(1380px, calc(100% - 48px));
  margin: 0 auto;
}
.pm-cards-label {
  font-size: .62rem; font-weight: 900;
  letter-spacing: .28em; color: var(--teal);
  margin-bottom: 44px;
}
.pm-nav-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(245,243,236,.06);
  border: 1px solid rgba(245,243,236,.06);
}
.pm-ncard {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  gap: 14px; padding: 48px 36px 40px;
  background: var(--navy);
  color: var(--cream); text-decoration: none;
  transition: background .3s var(--ease);
  will-change: transform;
}
.pm-ncard::after {
  content: ""; position: absolute; inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(74,157,156,.1), transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.pm-ncard:hover { background: #0f263a; }
.pm-ncard:hover::after { opacity: 1; }
.pm-ncard > span {
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 500;
  color: rgba(245,243,236,.09);
  line-height: 1; letter-spacing: -.04em;
}
.pm-ncard strong {
  font-family: var(--font-serif);
  font-size: 1.08rem; font-weight: 700;
  color: var(--cream); line-height: 1.3;
}
.pm-ncard small {
  font-size: .74rem; color: rgba(245,243,236,.38);
  line-height: 1.75; letter-spacing: .01em;
}
.pm-ncard em {
  font-style: normal; margin-top: 14px;
  font-size: .9rem; color: var(--teal);
  display: block;
  transition: transform .25s var(--ease);
}
.pm-ncard:hover em { transform: translateX(8px); }

/* ── 협력업체 섹션 ── */
.pm-partner-section {
  margin-top: 52px;
  padding: 36px 44px;
  border-top: 1px solid rgba(245,243,236,.08);
  background: rgba(74,157,156,.05);
  border: 1px solid rgba(74,157,156,.14);
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 44px;
}

/* 트루벨리 메인 블록 */
.pm-partner-main { flex: 0 0 auto; min-width: 210px; }

.pm-partner-badge {
  display: block;
  font-size: .58rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}

.pm-partner-main-phone {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem; font-weight: 600;
  color: var(--cream); text-decoration: none;
  letter-spacing: -.03em; line-height: 1;
  margin-bottom: 12px;
  transition: color .2s;
}
.pm-partner-main-phone:hover { color: var(--teal); }

.pm-partner-main > p {
  font-size: .7rem; line-height: 1.65;
  color: rgba(245,243,236,.38);
}

/* 구분선 */
.pm-partner-divider {
  width: 1px; height: 72px;
  background: rgba(245,243,236,.1);
  flex-shrink: 0;
}

/* 협력업체 그리드 */
.pm-partner-grid-wrap { flex: 1; min-width: 0; }

.pm-partner-grid-title {
  font-size: .6rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: rgba(245,243,236,.28);
  margin-bottom: 18px;
}

.pm-partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px 16px;
}

.pm-partner-card { display: flex; flex-direction: column; gap: 5px; }

.pm-partner-district {
  font-size: .58rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold);
}

.pm-partner-card strong {
  font-size: 1rem; font-weight: 600;
  color: rgba(245,243,236,.85);
}

.pm-partner-card a {
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 500;
  color: var(--teal); text-decoration: none;
  letter-spacing: -.01em;
  transition: color .2s;
}
.pm-partner-card a:hover { color: var(--cream); }

@media (max-width: 760px) {
  .pm-partner-section { flex-direction: column; align-items: flex-start; gap: 28px; padding: 28px 24px; }
  .pm-partner-divider { width: 100%; height: 1px; }
  .pm-partner-grid { grid-template-columns: repeat(3, 1fr); gap: 16px 12px; }
}
@media (max-width: 480px) {
  .pm-partner-grid { grid-template-columns: 1fr 1fr; }
  .pm-partner-main-phone { font-size: 1.7rem; }
}

/* ================================================================
   LIGHTBOX
   ================================================================ */
.pm-lightbox {
  display: none;
  position: fixed; inset: 0; z-index: 9000;
  align-items: center; justify-content: center;
  opacity: 0; transition: opacity .32s var(--ease);
}
.pm-lightbox.is-visible { display: flex; }
.pm-lightbox.is-open { opacity: 1; }
.pm-lightbox-bg {
  position: absolute; inset: 0;
  background: rgba(13,31,45,.9);
  backdrop-filter: blur(10px);
  cursor: pointer;
}
.pm-lightbox-img {
  position: relative; z-index: 1;
  max-width: 90vw; max-height: 85vh;
  object-fit: contain;
  box-shadow: 0 40px 100px rgba(0,0,0,.6);
  transform: scale(.88);
  transition: transform .35s var(--ease);
  border: 1px solid rgba(245,243,236,.1);
}
.pm-lightbox.is-open .pm-lightbox-img { transform: scale(1); }
.pm-lightbox-close {
  position: absolute; z-index: 2;
  top: 24px; right: 28px;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(245,243,236,.22);
  background: rgba(245,243,236,.08);
  color: var(--cream); font-size: 1.1rem;
  cursor: pointer; backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
}
.pm-lightbox-close:hover { background: rgba(245,243,236,.18); transform: scale(1.1); }

/* ── 클릭 가능 카드 힌트 + hover 모션 ── */
.pm-zoomable {
  cursor: zoom-in;
  position: relative;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), z-index 0s;
}
.premium-visual-card-a.pm-zoomable:hover {
  transform: rotate(0deg) translateY(-10px) scale(1.06) !important;
  box-shadow: 0 32px 70px rgba(13,31,45,.32) !important;
  z-index: 10;
}
.premium-visual-card-b.pm-zoomable:hover {
  transform: rotate(0deg) translateY(-10px) scale(1.06) !important;
  box-shadow: 0 32px 70px rgba(13,31,45,.32) !important;
  z-index: 10;
}
.pm-zoom-hint {
  position: absolute; top: 8px; right: 8px;
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(13,31,45,.55);
  color: var(--cream);
  font-size: .85rem; font-weight: 700; line-height: 24px;
  text-align: center;
  opacity: 0; transform: scale(.7);
  transition: opacity .2s, transform .2s;
  pointer-events: none;
}
.pm-zoomable:hover .pm-zoom-hint,
.pm-zoomable:focus .pm-zoom-hint {
  opacity: 1; transform: scale(1);
}
.pm-zoomable:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ── 서비스 카드 반응형 ── */
@media (max-width: 960px) {
  .pm-nav-cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 580px) {
  .pm-nav-cards-inner { width: calc(100% - 32px); }
  .pm-nav-cards-grid { grid-template-columns: 1fr; }
  .pm-ncard { padding: 36px 28px 30px; }
  /* pm-partner-section 반응형은 위 섹션에서 처리 */
}

/* ================================================================
   CONTACT (dark section)
   ================================================================ */
.premium-home .contact {
  background: var(--navy);
}

/* ================================================================
   FOOTER (dark section)
   ================================================================ */
.premium-home .footer {
  background: var(--charcoal);
}

/* ================================================================
   반응형
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  .trail-image { animation: none; }
  .premium-button, .drop-contact-shortcut { transition: none; }
  .brand-ribbon-track { animation: none; }
  .drop-loading-ring { animation: none; }
}

@media (max-width: 1120px) {
  .premium-hero {
    grid-template-columns: 1fr 1fr;
    gap: 40px; padding-inline: 24px;
  }
  .premium-wordmark { font-size: clamp(4.5rem, 9vw, 7rem); }
  .premium-hero-visual { min-height: 520px; }
  .premium-visual-frame { inset: 24px 8px 40px 44px; }
  .premium-visual-card { width: 145px; }
  .capability-heading { grid-template-columns: .5fr 1.25fr 1fr; }
}

@media (max-width: 860px) {
  .premium-home .drop-hero { padding-inline: 20px; }
  .drop-hero-bar { width: calc(100% - 0px); }
  .drop-main-nav { display: none; }
  .premium-hero {
    min-height: auto; grid-template-columns: 1fr;
    padding: clamp(100px, 14vw, 140px) 20px clamp(48px, 8vw, 72px);
    gap: 32px;
  }
  .premium-hero-copy { max-width: 680px; }
  .premium-hero-visual { width: 100%; min-height: 540px; }
  .premium-visual-frame { inset: 32px 16px 42px 48px; }
  .premium-proof { max-width: 100%; }
  .capability-heading { grid-template-columns: 1fr; align-items: start; }
  .capability-heading > span { max-width: 560px; }
  .capability-layout { grid-template-columns: 1fr; }
  .capability-list { grid-template-columns: 1fr 1fr; }
  .capability-item:nth-child(3) { border-top: 1px solid var(--border-dark); }
  .capability-item:nth-child(odd) { border-right: 1px solid var(--border-dark); }
  .image-trail-stage { min-height: 440px; }
  .consult-process-grid { grid-template-columns: 1fr; }
  .drop-focus-panel { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .premium-home .drop-hero { padding: 0 14px 56px; }
  .drop-hero-bar { min-height: 64px; }
  .drop-brand small { display: none; }
  .drop-contact-shortcut { display: none; }
  .premium-hero { padding: 96px 10px 36px; gap: 24px; }
  .premium-overline { font-size: .55rem; letter-spacing: .16em; }
  .premium-wordmark { font-size: clamp(3.5rem, 18vw, 4.5rem); letter-spacing: -.08em; }
  .premium-hero h1 strong {
    margin-top: 28px;
    font-size: clamp(1.5rem, 6.5vw, 2rem);
    line-height: 1.35;
  }
  .premium-lead { font-size: .84rem; line-height: 1.9; }
  .premium-button { width: 100%; }
  .premium-proof { margin-top: 28px; }
  .premium-proof div { padding: 13px 8px; text-align: center; }
  .premium-proof div + div { padding-left: 8px; }
  .premium-proof dt { font-size: 1.4rem; }
  .premium-proof dd { font-size: .56rem; }
  .premium-hero-visual { min-height: 400px; }
  .premium-visual-frame { inset: 24px 0 36px 24px; }
  .premium-visual-card { width: 108px; border-width: 5px; }
  .premium-visual-card-a { left: -2px; }
  .premium-visual-card-b { right: -2px; }
  .premium-visual-card figcaption { display: none; }
  .premium-visual-caption { right: 16px; bottom: 16px; left: 16px; }
  .premium-visual-caption strong { font-size: .86rem; }
  .premium-diagonal-a { right: -120px; }
  .capability-section { padding: clamp(64px, 12vw, 96px) 0; }
  .capability-inner { width: min(100% - 24px, 1380px); }
  .capability-heading { gap: 16px; padding-bottom: 28px; padding-inline: 4px; }
  .capability-heading h2 { font-size: 2.1rem; }
  .capability-layout { margin-top: 32px; }
  .capability-list { grid-template-columns: 1fr; }
  .capability-item { min-height: 88px; padding: 16px 20px; border-right: 0 !important; }
  .capability-item:nth-child(3) { border-top: 0; }
  .image-trail-stage {
    display: grid; min-height: 360px;
    place-items: center; cursor: default;
  }
  .trail-copy { top: 22px; bottom: auto; left: 22px; }
  .trail-copy span { display: none; }
  .trail-copy strong { font-size: 2.2rem; }
  .trail-mobile-image {
    display: block; width: calc(100% - 44px); margin-top: 66px;
    aspect-ratio: 4 / 3; object-fit: cover;
    border: 6px solid var(--cream);
    box-shadow: 0 18px 48px rgba(7,14,22,.38);
  }
  .consult-process-grid article { padding: 36px 24px; }
  .drop-selector { padding: 28px 14px 18px; }
  .drop-selector-heading { padding-inline: 6px; }
}