/* 홈(preview_home.ejs) 전용 스타일 — 인라인 <style>(약 26KB)을 분리해 브라우저 캐시를 타게 함.
   수정 시 preview_home.ejs 의 ?v= 를 함께 올릴 것 (SW 캐시 오염 방지). */
  /* ---- Hub-specific styling ---- */
  .hub-hero {
    position: relative;
    padding: 88px 0 56px;
    overflow: hidden;
  }
  .hub-hero::before {
    content: ""; position: absolute; inset: -10% -5% auto auto;
    width: 720px; height: 720px;
    background: radial-gradient(closest-side, rgba(79,55,255,0.16), transparent 70%);
    pointer-events: none; z-index: 0;
  }
  .hub-hero::after {
    content: ""; position: absolute; left: -8%; bottom: -20%;
    width: 540px; height: 540px;
    background: radial-gradient(closest-side, rgba(255,43,176,0.10), transparent 70%);
    pointer-events: none; z-index: 0;
  }
  .hub-hero > .container { position: relative; z-index: 1; }

  .hub-hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: center;
  }
  @media (max-width: 960px) { .hub-hero-grid { grid-template-columns: 1fr; gap: 48px; } }

  .hub-hero-headline {
    font: 800 clamp(34px, 4.6vw, 60px)/1.14 var(--font-sans);
    letter-spacing: -0.034em;
    color: var(--fg-primary);
    word-break: keep-all;
    text-wrap: balance;
  }
  .hub-hero-headline .accent { color: var(--w-blue-50); }
  .hub-hero-headline .stroke {
    -webkit-text-stroke: 1.5px var(--fg-primary);
    color: transparent;
    font-weight: 800;
  }

  /* Hero visual: stacked AI-voice illustration */
  .hero-visual {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: 28px;
    background: linear-gradient(160deg, var(--w-blue-50) 0%, var(--w-blue-40) 50%, var(--w-violet-50) 100%);
    overflow: hidden;
    box-shadow: 0 24px 60px -20px rgba(79,55,255,0.5);
  }
  .hero-visual::before {
    content: ""; position: absolute; inset: 0;
    background:
      radial-gradient(60% 60% at 80% 0%, rgba(255,43,176,0.5), transparent 60%),
      radial-gradient(80% 80% at 0% 100%, rgba(0,184,212,0.45), transparent 60%);
  }
  .hero-visual-inner {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 32px;
    color: white;
  }
  .hero-visual-tag { display: flex; gap: 8px; align-items: center; font: 600 12px/1 var(--font-sans); letter-spacing: 0.06em; text-transform: uppercase; opacity: 0.86; }
  .hero-visual-tag .led { width: 8px; height: 8px; border-radius: 50%; background: #5BFFAA; box-shadow: 0 0 12px #5BFFAA; }
  .hero-wave {
    display: flex; align-items: end; justify-content: center; gap: 4px;
    height: 120px;
    margin: auto 0;
  }
  .hero-wave .bar {
    width: 6px; border-radius: 3px;
    background: rgba(255,255,255,0.95);
    animation: wavebars 1.4s ease-in-out infinite;
  }
  @keyframes wavebars {
    0%, 100% { height: 16%; }
    50% { height: 88%; }
  }
  .hero-visual-meta {
    display: flex; justify-content: space-between; align-items: end;
    font-feature-settings: "tnum";
  }
  .hero-visual-meta .big { font: 800 56px/1 var(--font-sans); letter-spacing: -0.04em; }
  .hero-visual-meta .small { font: 500 13px/1.4 var(--font-sans); opacity: 0.86; max-width: 200px; }

  /* Spoke cards */
  .spoke-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
    margin-top: 32px;
  }
  @media (max-width: 860px) { .spoke-grid { grid-template-columns: 1fr; } }
  .spoke {
    position: relative;
    border-radius: 24px;
    padding: 40px;
    background: white;
    border: 1px solid var(--line-neutral-subtle);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    overflow: hidden;
  }
  .spoke:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); border-color: transparent; }
  .spoke-icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: var(--bg-accent-subtle); color: var(--w-blue-45);
    display: grid; place-items: center; margin-bottom: 24px;
  }
  .spoke.broadcast .spoke-icon { background: var(--bg-energy-subtle); color: var(--w-violet-45); }
  .spoke h3 { font: 800 28px/1.2 var(--font-sans); letter-spacing: -0.028em; color: var(--fg-primary); margin-bottom: 12px; }
  .spoke .pitch { font: 500 17px/1.55 var(--font-sans); color: var(--fg-neutral-subtle); letter-spacing: -0.005em; margin-bottom: 24px; min-height: 0; }
  .spoke ul { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
  .spoke ul li {
    display: flex; align-items: center; gap: 10px;
    font: 500 14.5px/1.4 var(--font-sans); color: var(--fg-neutral); letter-spacing: -0.005em;
  }
  .spoke ul li::before { content: ""; width: 4px; height: 4px; background: var(--fg-neutral-muted); border-radius: 50%; }
  .spoke .free-badge {
    position: absolute; top: 24px; right: 24px;
    background: var(--w-violet-60); color: white;
    padding: 6px 12px; border-radius: 999px;
    font: 700 11px/1 var(--font-sans); letter-spacing: 0.04em; text-transform: uppercase;
  }
  .spoke-meta {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 20px; border-top: 1px solid var(--line-neutral-subtle);
    font-size: 12.5px; color: var(--fg-neutral-muted); letter-spacing: 0.01em;
  }

  /* Trust band */
  .trust-band { background: var(--w-cool-98); padding: 56px 0; border-top: 1px solid var(--line-neutral-subtle); border-bottom: 1px solid var(--line-neutral-subtle); }
  .trust-band-head {
    text-align: center; margin-bottom: 32px;
  }
  .trust-band-head .lead {
    font: 600 15px/1.5 var(--font-sans); color: var(--fg-neutral-subtle); letter-spacing: -0.005em;
  }

  /* Reasons cols */
  .reasons {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
    background: var(--line-neutral-subtle);
    border: 1px solid var(--line-neutral-subtle);
    border-radius: 24px; overflow: hidden;
  }
  @media (max-width: 860px) { .reasons { grid-template-columns: 1fr; } }
  .reason { background: white; padding: 40px; }
  .reason h4 { font: 700 22px/1.3 var(--font-sans); letter-spacing: -0.022em; color: var(--fg-primary); margin: 16px 0 12px; }
  .reason p { font: 500 15px/1.65 var(--font-sans); color: var(--fg-neutral-subtle); letter-spacing: -0.005em; }
  .reason .num {
    display: inline-block;
    font: 800 13px/1 var(--font-mono); letter-spacing: 0.06em;
    color: var(--w-blue-50);
  }

  /* Product preview tour */
  .preview-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  }
  [data-screen-label="04 Product Tour"] .preview-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  @media (max-width: 960px) { .preview-grid { grid-template-columns: 1fr; } }
  .preview-card { display: flex; flex-direction: column; gap: 16px; }
  .preview-card-head { display: flex; align-items: center; justify-content: space-between; }
  .preview-card-head h4 { font: 700 19px/1.3 var(--font-sans); letter-spacing: -0.018em; color: var(--fg-primary); }
  .preview-card-head .tag { font: 600 11px/1 var(--font-sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-neutral-muted); }
  .preview-card .caption { font: 500 14px/1.5 var(--font-sans); color: var(--fg-neutral-muted); letter-spacing: -0.005em; }
  .browser.browser-dark {
    background: #101114;
    border-color: rgba(255,255,255,0.12);
    box-shadow: 0 22px 60px -30px rgba(0,0,0,0.72);
  }
  .browser.browser-dark .browser-bar {
    background: #15171b;
    border-bottom-color: rgba(255,255,255,0.1);
  }
  .browser.browser-dark .browser-bar .url {
    background: #101114;
    border-color: rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.58);
  }

  /* Mock studio screen */
  .mock-studio {
    aspect-ratio: 1586/889;
    background: #121212;
    position: relative;
    overflow: hidden;
    font-size: 11.5px;
    color: var(--fg-neutral);
  }
  .mock-studio-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background: #121212;
    transform: scale(1.012);
    transform-origin: center;
  }
  .mock-studio .hotspot {
    background: #ffd23f;
    color: #111827;
    border: 2px solid rgba(255,255,255,0.92);
    box-shadow: 0 0 0 6px rgba(255,210,63,0.28), 0 8px 18px rgba(0,0,0,0.42), 0 0 20px rgba(255,210,63,0.46);
    animation: studioHotspotPulse 2.4s ease-out infinite;
  }
  @keyframes studioHotspotPulse {
    0% { box-shadow: 0 0 0 0 rgba(255,210,63,0.58), 0 8px 18px rgba(0,0,0,0.42), 0 0 20px rgba(255,210,63,0.46); }
    70% { box-shadow: 0 0 0 14px rgba(255,210,63,0), 0 8px 18px rgba(0,0,0,0.42), 0 0 20px rgba(255,210,63,0.46); }
    100% { box-shadow: 0 0 0 0 rgba(255,210,63,0), 0 8px 18px rgba(0,0,0,0.42), 0 0 20px rgba(255,210,63,0.46); }
  }
  @media (prefers-reduced-motion: reduce) {
    .mock-studio .hotspot { animation: none; }
  }
  .mock-side { background: var(--w-cool-98); border-right: 1px solid var(--line-neutral-subtle); padding: 14px 12px; display: flex; flex-direction: column; gap: 6px; }
  .mock-side .label { font: 700 10px/1 var(--font-sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-neutral-muted); margin: 8px 4px; }
  .mock-voice { display: flex; gap: 8px; align-items: center; padding: 8px; border-radius: 8px; }
  .mock-voice.active { background: var(--bg-accent-subtle); }
  .mock-voice .av { width: 24px; height: 24px; border-radius: 50%; background: linear-gradient(135deg, var(--w-blue-50), var(--w-violet-60)); flex: 0 0 24px; }
  .mock-voice .av.b2 { background: linear-gradient(135deg, var(--w-cyan-60), var(--w-blue-50)); }
  .mock-voice .av.b3 { background: linear-gradient(135deg, var(--w-orange-60), var(--w-violet-60)); }
  .mock-voice .av.b4 { background: linear-gradient(135deg, var(--w-green-60), var(--w-cyan-60)); }
  .mock-voice .meta { display: flex; flex-direction: column; }
  .mock-voice .meta .n { font-weight: 600; }
  .mock-voice .meta .s { color: var(--fg-neutral-muted); font-size: 10.5px; }

  .mock-main { display: flex; flex-direction: column; }
  .mock-toolbar { display: flex; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line-neutral-subtle); align-items: center; }
  .mock-tab { padding: 6px 12px; border-radius: 6px; font-weight: 600; font-size: 11px; }
  .mock-tab.active { background: var(--w-cool-5); color: white; }
  .mock-tab.dim { color: var(--fg-neutral-muted); }
  .mock-textarea {
    flex: 1; padding: 24px; background: white; font: 500 14px/1.7 var(--font-sans);
    color: var(--fg-primary); border: none; outline: none; resize: none;
    letter-spacing: -0.005em;
  }
  .mock-textarea .tag-inline {
    display: inline-block; padding: 1px 6px; border-radius: 4px;
    background: var(--bg-accent-subtle); color: var(--w-blue-45);
    font-family: var(--font-mono); font-size: 12px;
  }
  .mock-controls {
    border-top: 1px solid var(--line-neutral-subtle); padding: 12px 16px; display: flex; align-items: center; gap: 16px;
    background: var(--w-cool-98);
  }
  .mock-play {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--w-blue-50); color: white;
    display: grid; place-items: center;
  }
  .mock-wave { flex: 1; display: flex; gap: 2px; align-items: center; height: 24px; }
  .mock-wave .b { flex: 1; background: var(--w-blue-50); border-radius: 1px; opacity: 0.85; }
  .mock-time { font-family: var(--font-mono); font-size: 11px; color: var(--fg-neutral-muted); }
  .mock-dl {
    background: var(--w-cool-5); color: white; font-size: 11px; font-weight: 600;
    padding: 6px 12px; border-radius: 6px;
  }

  /* Mock broadcast screen */
  .mock-broadcast {
    aspect-ratio: 1421/800;
    background: white;
    position: relative;
    overflow: hidden;
    font-size: 11.5px;
  }
  .mock-broadcast-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    background: white;
  }
  .mock-studio .hotspot.hotspot-up .hotspot-tip,
  .mock-broadcast .hotspot.hotspot-up .hotspot-tip {
    top: auto;
    bottom: 36px;
  }
  .mock-studio .hotspot.hotspot-left .hotspot-tip,
  .mock-broadcast .hotspot.hotspot-left .hotspot-tip {
    left: auto;
    right: 0;
    transform: none;
  }
  .mock-studio .hotspot.hotspot-right .hotspot-tip,
  .mock-broadcast .hotspot.hotspot-right .hotspot-tip {
    left: 0;
    transform: none;
  }
  .mock-broadcast .mock-side { padding: 14px 10px; }
  .mock-bcast-main { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
  .mock-bcast-head { display: flex; align-items: center; justify-content: space-between; }
  .mock-bcast-head h5 { font: 700 13px/1 var(--font-sans); letter-spacing: -0.018em; color: var(--fg-primary); }
  .mock-bcast-input {
    background: white; border: 1px solid var(--line-neutral); border-radius: 8px;
    padding: 12px 14px; font: 500 13px/1.6 var(--font-sans); color: var(--fg-primary);
    min-height: 88px; letter-spacing: -0.005em;
  }
  .mock-bcast-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .mock-bcast-cell {
    background: white; border: 1px solid var(--line-neutral-subtle); border-radius: 8px;
    padding: 10px 12px; display: flex; flex-direction: column; gap: 4px;
  }
  .mock-bcast-cell .l { font-size: 10px; color: var(--fg-neutral-muted); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
  .mock-bcast-cell .v { font-size: 12.5px; font-weight: 600; color: var(--fg-primary); }
  .mock-bcast-action {
    background: var(--w-violet-60); color: white; border-radius: 8px;
    padding: 12px; text-align: center; font-weight: 700; font-size: 13px;
  }
  .mock-side-item { padding: 8px; border-radius: 6px; display: flex; gap: 8px; align-items: center; }
  .mock-side-item.act { background: var(--bg-energy-subtle); color: var(--w-violet-45); font-weight: 600; }
  .mock-dot-mag { width: 6px; height: 6px; border-radius: 50%; background: var(--w-violet-60); }
  .mock-dot-cy { width: 6px; height: 6px; border-radius: 50%; background: var(--w-cyan-60); }
  .mock-dot-bl { width: 6px; height: 6px; border-radius: 50%; background: var(--w-blue-50); }

  /* Mini calendar overlay */
  .mock-mini-cal {
    position: absolute; right: 16px; bottom: 16px;
    width: 180px; background: white;
    border: 1px solid var(--line-neutral); border-radius: 10px;
    box-shadow: var(--shadow-normal);
    padding: 10px; font-size: 10px;
  }
  .mock-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; margin-top: 6px; }
  .mock-cal-cell { aspect-ratio: 1; display: grid; place-items: center; border-radius: 3px; color: var(--fg-neutral-muted); font-size: 9px; }
  .mock-cal-cell.has { background: var(--bg-energy-subtle); color: var(--w-violet-45); font-weight: 700; }
  .mock-cal-cell.today { background: var(--w-violet-60); color: white; font-weight: 700; }

  /* 요금 카드 */
  .pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
  .pricing-card { display: flex; flex-direction: column; min-height: 100%; }
  .pricing-desc {
    min-height: 44px;
    margin: 8px 0 24px;
    font-size: 14.5px;
    line-height: 1.65;
  }
  .pricing-card .pricing-cta {
    width: 100%;
    height: 44px;
    margin-top: auto;
    padding: 0 18px;
    border-radius: 10px;
    border-color: var(--line-neutral);
    background: white;
    color: var(--fg-primary);
    font: 700 14px/1 var(--font-sans);
    letter-spacing: -0.008em;
    box-shadow: inset 0 0 0 1px rgba(13,14,18,0.02);
  }
  .pricing-card .pricing-cta::after {
    content: "→";
    margin-left: 2px;
    font-size: 16px;
    transform: none;
  }
  .pricing-card .pricing-cta:hover {
    background: var(--w-cool-5);
    border-color: var(--w-cool-5);
    color: white;
    box-shadow: 0 10px 22px rgba(13,14,18,0.16);
    transform: translateY(-1px);
  }
  .pricing-card .pricing-cta:hover::after {
    transform: translateX(3px);
  }
  .pricing-free-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: linear-gradient(135deg, var(--w-violet-60), var(--w-blue-50));
    color: white;
    padding: 5px 10px;
    border-radius: 999px;
    font: 800 12px/1 var(--font-sans);
    letter-spacing: 0.03em;
    box-shadow: 0 8px 18px rgba(79,55,255,0.24), 0 0 0 4px rgba(79,55,255,0.08);
  }
  @media (max-width: 860px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-desc { min-height: 0; }
  }

  /* Closer CTA */
  .closer {
    background: var(--w-cool-5);
    color: white;
    border-radius: 32px;
    padding: 80px 64px;
    text-align: center;
    overflow: hidden;
    position: relative;
  }
  .closer::before {
    content: ""; position: absolute; inset: -50% -10% auto -10%;
    height: 200%;
    background: radial-gradient(40% 40% at 50% 100%, rgba(79,55,255,0.45), transparent 70%);
  }
  .closer > * { position: relative; z-index: 1; }
  .closer h2 {
    font: 800 clamp(32px, 4vw, 56px)/1.1 var(--font-sans); letter-spacing: -0.034em;
    color: white; text-wrap: balance;
  }
  .closer p { color: rgba(255,255,255,0.7); margin-top: 16px; font-size: 17px; }
  .closer-cta { margin-top: 40px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  .closer-cta .btn-outline { color: white; border-color: rgba(255,255,255,0.24); }
  .closer-cta .btn-outline:hover { background: rgba(255,255,255,0.08); border-color: white; }
  @media (max-width: 720px) { .closer { padding: 56px 24px; border-radius: 20px; } }

  /* ---- Service guide (hub selector) ---- */
  .svc-guide { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  @media (max-width: 860px) { .svc-guide { grid-template-columns: 1fr; } }
  .svc-col { background: white; border: 1px solid var(--line-neutral-subtle); border-radius: 24px; padding: 36px; display: flex; flex-direction: column; gap: 18px; transition: transform .2s, border-color .2s, box-shadow .2s; }
  .svc-col:hover { transform: translateY(-3px); border-color: var(--w-blue-50); box-shadow: var(--shadow-emphasize); }
  .svc-col.b:hover { border-color: var(--w-violet-60); }
  .svc-head { display: flex; align-items: center; gap: 12px; }
  .svc-ic { width: 44px; height: 44px; border-radius: 12px; background: var(--bg-accent-subtle); color: var(--w-blue-45); display: grid; place-items: center; flex: 0 0 44px; }
  .svc-col.b .svc-ic { background: var(--bg-energy-subtle); color: var(--w-violet-45); }
  .svc-col h3 { font: 800 22px/1.2 var(--font-sans); letter-spacing: -0.022em; color: var(--fg-primary); }
  .svc-col .for { font: 600 13px/1.5 var(--font-sans); color: var(--fg-neutral-muted); letter-spacing: -0.005em; }
  .svc-rows { display: flex; flex-direction: column; gap: 10px; }
  .svc-row { display: flex; gap: 12px; font: 500 14px/1.5 var(--font-sans); color: var(--fg-neutral-subtle); letter-spacing: -0.005em; }
  .svc-row .k { flex: 0 0 56px; font: 700 11px/1.45 var(--font-sans); color: var(--fg-neutral-muted); letter-spacing: 0.04em; }
  .svc-col .svc-cta { margin-top: auto; }

  /* ---- How to (3 steps) ---- */
  .howto-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  @media (max-width: 860px) { .howto-steps { grid-template-columns: 1fr; } }
  .howto-step { background: white; border: 1px solid var(--line-neutral-subtle); border-radius: 20px; padding: 32px; position: relative; }
  .howto-step .n { width: 40px; height: 40px; border-radius: 50%; background: var(--w-cool-5); color: white; display: grid; place-items: center; font: 800 16px/1 var(--font-sans); margin-bottom: 20px; }
  .howto-step h4 { font: 700 19px/1.3 var(--font-sans); letter-spacing: -0.018em; color: var(--fg-primary); margin-bottom: 8px; }
  .howto-step p { font: 500 14.5px/1.65 var(--font-sans); color: var(--fg-neutral-subtle); letter-spacing: -0.005em; }
  .howto-step .arrow { position: absolute; top: 50%; right: -10px; transform: translate(50%, -50%); color: var(--fg-neutral-disable); font: 700 22px/1 var(--font-sans); z-index: 2; pointer-events: none; }
  @media (max-width: 860px) { .howto-step .arrow { display: none; } }

  /* ---- Feature columns ---- */
  .feature-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  @media (max-width: 860px) { .feature-cols { grid-template-columns: 1fr; } }
  .feature-col { background: white; border: 1px solid var(--line-neutral-subtle); border-radius: 24px; padding: 36px; }
  .feature-col .fc-head { margin-bottom: 24px; }
  /* 서비스 이름 라벨(칩)은 언어에 따라 길이가 크게 다르다(ko 12자 ↔ es 32자).
     .eyebrow 는 height 고정이라 두 줄이 되면 글자가 밖으로 나가므로, 이름을 담는 칩만 높이를 푼다. */
  .feature-col .fc-head .eyebrow,
  .pricing-card .eyebrow {
    height: auto; min-height: 28px; padding: 5px 12px;
    white-space: normal; line-height: 1.35; text-align: left;
  }
  .feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  @media (max-width: 560px) { .feature-list { grid-template-columns: 1fr; } }
  .feature-item h5 { font: 700 14.5px/1.3 var(--font-sans); letter-spacing: -0.01em; color: var(--fg-primary); margin-bottom: 5px; display: flex; align-items: center; gap: 7px; }
  .feature-item h5::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--w-blue-50); flex: 0 0 6px; }
  .feature-col.b .feature-item h5::before { background: var(--w-violet-60); }
  .feature-item p { font: 500 13px/1.55 var(--font-sans); color: var(--fg-neutral-muted); padding-left: 13px; letter-spacing: -0.005em; }
  .feature-item h5 .new-chip { font: 800 9px/1 var(--font-sans); letter-spacing: 0.07em; color: #fff; background: var(--w-blue-50); padding: 3px 6px; border-radius: 999px; flex: 0 0 auto; }
  .feature-col.b .feature-item h5 .new-chip { background: var(--w-violet-60); }

  /* ---- Case studies ---- */
  .case-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
  @media (max-width: 1100px) { .case-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
  @media (max-width: 860px) { .case-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 560px) { .case-grid { grid-template-columns: 1fr; } }
  .case-card {
    background: white;
    border: 1px solid var(--line-neutral-subtle);
    border-radius: 22px;
    padding: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 100%;
    box-shadow: 0 18px 46px -34px rgba(13, 14, 18, 0.48);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  }
  .case-card:hover { transform: translateY(-4px); border-color: rgba(79,55,255,0.22); box-shadow: 0 26px 56px -34px rgba(13, 14, 18, 0.62); }
  .case-visual {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--w-cool-95);
  }
  .case-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(13,14,18,0.02) 42%, rgba(13,14,18,0.56) 100%);
    pointer-events: none;
  }
  .case-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
  }
  .case-card:hover .case-visual img { transform: scale(1.045); }
  .case-badge {
    position: absolute;
    left: 16px;
    top: 16px;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 11px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.62);
    background: rgba(255,255,255,0.9);
    color: var(--fg-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font: 700 11.5px/1 var(--font-sans);
    letter-spacing: -0.005em;
  }
  .case-body { padding: 24px; display: flex; flex: 1; flex-direction: column; gap: 12px; }
  .case-card .mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--bg-accent-subtle);
    font: 800 22px/1 var(--font-sans);
    color: var(--w-blue-50);
  }
  .case-card.b .mark { background: var(--bg-energy-subtle); color: var(--w-violet-60); }
  .case-card p { font: 500 14.5px/1.7 var(--font-sans); color: var(--fg-neutral-subtle); letter-spacing: -0.005em; }
  .case-card .who { margin-top: auto; display: flex; align-items: center; gap: 10px; padding-top: 8px; }
  .case-card .who .av { width: 34px; height: 34px; border-radius: 9px; background: var(--w-cool-95); display: grid; place-items: center; flex: 0 0 34px; font: 800 13px/1 var(--font-sans); color: var(--fg-neutral-muted); }
  .case-card .who .nm { font: 700 13.5px/1.3 var(--font-sans); color: var(--fg-primary); }
  .case-card .who .tag { font: 500 12px/1.3 var(--font-sans); color: var(--fg-neutral-muted); }
  @media (max-width: 720px) {
    .case-body { padding: 20px; }
    .case-visual { aspect-ratio: 16/9; }
  }

  /* ---- FAQ ---- */
  .faq { border-top: 1px solid var(--line-neutral); max-width: 860px; }
  .faq details { border-bottom: 1px solid var(--line-neutral); padding: 22px 8px; }
  .faq summary { cursor: pointer; list-style: none; font: 700 17px/1.4 var(--font-sans); letter-spacing: -0.014em; color: var(--fg-primary); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; font: 400 24px/1 var(--font-sans); color: var(--fg-neutral-muted); transition: transform .2s; flex: 0 0 auto; }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq details > p { margin-top: 10px; font: 500 14.5px/1.7 var(--font-sans); color: var(--fg-neutral-subtle); letter-spacing: -0.005em; }

  /* ---- Logo wall (2행 · 박스 없이 로고만 · 높이 통일) ---- */
  .logo-rows { display: flex; flex-direction: column; gap: 60px; }
  .logo-row { gap: 172px; align-items: center; animation-duration: 150s; }
  #logo-track-b { animation-delay: -40s; }   /* 같은 속도, 위상만 어긋나게 */
  .logo-chip { flex: 0 0 auto; display: grid; place-items: center; }
  .logo-chip img {
    height: 38px; width: auto; max-width: none; object-fit: contain;
    filter: grayscale(1); opacity: 0.55;
    transition: filter .25s ease, opacity .25s ease;
  }
  .logo-chip:hover img { filter: grayscale(0); opacity: 1; }
  /* 모바일: 로고 간격을 좁혀 띠를 조밀하게(데스크톱 172px은 모바일에서 너무 벌어짐) */
  @media (max-width: 720px) {
    .logo-rows { gap: 34px; }
    .logo-row { gap: 64px; animation-duration: 90s; }
    #logo-track-b { animation-delay: -24s; }
    .logo-chip img { height: 30px; }
  }
  @media (max-width: 480px) {
    .logo-rows { gap: 28px; }
    .logo-row { gap: 48px; animation-duration: 72s; }
    #logo-track-b { animation-delay: -20s; }
    .logo-chip img { height: 27px; }
  }

/* ==== 로그인 사용자 이용 현황 스트립 — 요금 섹션 위 (남은 글자수·만료일·업셀) ==== */
.my-usage-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px;
  margin-bottom: 28px;
}
.my-usage-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 20px 22px; border-radius: 16px; background: white;
  border: 1px solid var(--line-neutral-subtle);
}
.my-usage-card .mu-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.my-usage-card .mu-plan { font: 700 13px/1 var(--font-sans); color: var(--w-blue-50); background: var(--bg-accent-subtle); padding: 6px 10px; border-radius: 999px; }
.my-usage-card .mu-plan.is-off { color: var(--fg-neutral-muted); background: var(--w-cool-96); }
.my-usage-card .mu-main { font: 800 22px/1.2 var(--font-sans); letter-spacing: -0.02em; color: var(--fg-primary); }
.my-usage-card .mu-main small { font: 600 13px/1 var(--font-sans); color: var(--fg-neutral-muted); margin-left: 4px; }
.my-usage-card .mu-bar { height: 6px; border-radius: 999px; background: var(--w-cool-94); overflow: hidden; }
.my-usage-card .mu-bar > span { display: block; height: 100%; border-radius: 999px; background: var(--w-blue-50); }
.my-usage-card .mu-bar.is-low > span { background: var(--w-magenta-50, #e0407a); }
.my-usage-card .mu-sub { font: 500 13px/1.5 var(--font-sans); color: var(--fg-neutral-muted); }
.my-usage-card .mu-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; }