:root {
    --bg: #1B1338;
    --bg-raised: #221952;
    --surface: rgba(196, 181, 253, 0.06);
    --surface-strong: rgba(196, 181, 253, 0.10);
    --line: rgba(196, 181, 253, 0.20);
    --line-soft: rgba(196, 181, 253, 0.10);
    --violet: #8B5CF6;
    --violet-deep: #6D28D9;
    --violet-cta: #7C3AED;
    --lavender: #C4B5FD;
    --lavender-soft: #A78BFA;
    --pink: #F472B6;
    --text: #F6F3FF;
    --text-dim: #D3CBF2;
    --text-faint: #ABA0D8;
    --display: "Sora", system-ui, sans-serif;
    --sans: "Inter", system-ui, -apple-system, sans-serif;
    --dur-slow: 600ms;
    --dur: 300ms;
    --ease-fluid: cubic-bezier(0.33, 1, 0.68, 1);
    --pad: 24px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html {
    scroll-behavior: smooth;
    background: #0D0918;
  }

  body {
    container-type: inline-size;
    font-family: var(--sans);
    font-weight: 400;
    background: linear-gradient(178deg, #2A1D5C 0%, #1B1338 26%, #241A4E 52%, #1A1240 76%, #251B52 100%);
    color: var(--text);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }

  @media (min-width: 520px) {
    body {
      max-width: 390px;
      min-height: calc(100vh - 56px);
      min-height: calc(100dvh - 56px);
      margin: 28px auto;
      border: 0;
      outline: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 34px;
      box-shadow:
        0 30px 100px rgba(0, 0, 0, 0.52),
        0 0 0 10px rgba(255, 255, 255, 0.035);
      overflow-x: hidden;
    }
  }

  ::selection { background: var(--violet); color: #fff; }

  .wrap { max-width: 640px; margin-inline: auto; padding-inline: var(--pad); }

  /* ---------- backdrop: aurora + grain ---------- */
  .aurora { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
  .aurora i { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.5; }
  .aurora i:nth-child(1) { width: 60vw; height: 60vw; max-width: 460px; max-height: 460px; background: #6D28D9; top: -12%; left: -18%; animation: drift1 26s ease-in-out infinite alternate; }
  .aurora i:nth-child(2) { width: 50vw; height: 50vw; max-width: 400px; max-height: 400px; background: #4C1D95; top: 32%; right: -22%; animation: drift2 32s ease-in-out infinite alternate; }
  .aurora i:nth-child(3) { width: 44vw; height: 44vw; max-width: 360px; max-height: 360px; background: #4338CA; bottom: -10%; left: 8%; animation: drift1 38s ease-in-out infinite alternate-reverse; }
  .aurora i:nth-child(4) { width: 38vw; height: 38vw; max-width: 320px; max-height: 320px; background: #BE185D; top: 62%; right: 4%; opacity: 0.28; animation: drift2 30s ease-in-out infinite alternate-reverse; }
  @keyframes drift1 { to { transform: translate(8vw, 6vh) scale(1.15); } }
  @keyframes drift2 { to { transform: translate(-6vw, -8vh) scale(0.9); } }
  .grain {
    position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.8 0 0 0 0 0.75 0 0 0 0 1 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  main, header, footer { position: relative; z-index: 1; }

  /* ---------- header ---------- */
  .site-header {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px var(--pad);
    background: rgba(27, 19, 56, 0.72);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border-bottom: 1px solid var(--line-soft);
  }
  .logo { font-family: var(--display); font-size: 18px; font-weight: 600; letter-spacing: 0.12em; color: var(--text); text-decoration: none; }
  .logo em { font-style: normal; color: var(--lavender); }
  .header-cta {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 44px; padding: 8px 22px;
    background: linear-gradient(120deg, var(--violet-cta), var(--violet-deep));
    color: #fff; border-radius: 999px;
    font-size: 13.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
    text-decoration: none; cursor: pointer;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
    transition: filter var(--dur) var(--ease-fluid);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .header-cta:hover { filter: brightness(1.12); }
  .header-cta:active { filter: brightness(0.95); }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--lavender); outline-offset: 4px; border-radius: 4px;
  }

  /* ---------- hero (from 시안2) ---------- */
  .hero {
    min-height: calc(100dvh - 110px);
    display: flex; flex-direction: column; justify-content: center;
    text-align: center;
    padding: 48px var(--pad) 64px;
    position: relative;
  }
  .hero-kicker { font-size: 12px; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase; color: var(--lavender-soft); }
  .hero h1 {
    font-family: var(--display); font-weight: 700;
    font-size: clamp(40px, 11.5cqw, 72px);
    line-height: 1.08; letter-spacing: -0.02em; margin-top: 22px;
  }
  .hero h1 em {
    font-style: normal;
    background: linear-gradient(100deg, #C4B5FD 0%, #8B5CF6 55%, #F472B6 110%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }

  .hero-art { position: relative; height: 232px; margin: 40px auto 0; max-width: 380px; width: 100%; }
  .vcard {
    position: absolute; top: 0;
    width: 132px; height: 196px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.34);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.35);
    overflow: hidden;
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 12px;
  }
  .vcard::after {
    content: "";
    position: absolute; inset: 0;
    background:
      linear-gradient(180deg, rgba(13, 9, 24, 0.22) 0%, transparent 38%, rgba(13, 9, 24, 0.46) 100%),
      linear-gradient(115deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.07) 26%, transparent 45%);
    pointer-events: none;
    z-index: 1;
  }
  .vcard-l { left: 6%; transform: rotate(-9deg); background: linear-gradient(160deg, #4C1D95 0%, #7C3AED 60%, #2E1065 100%); z-index: 1; }
  .vcard-c { left: 50%; transform: translateX(-50%) translateY(-14px); background: linear-gradient(165deg, #9D5CF6 0%, #D946EF 55%, #581C87 100%); z-index: 3; width: 144px; height: 212px; }
  .vcard-r { right: 6%; transform: rotate(9deg); background: linear-gradient(200deg, #6D28D9 0%, #DB2777 70%, #3B0764 100%); z-index: 2; }
  .vcard .vc-face {
    position: absolute; inset: 0;
    width: 100%; height: 100%; border-radius: inherit;
    overflow: hidden;
  }
  .vcard .vc-face img { display: block; width: 100%; height: 100%; object-fit: cover; }
  .vcard .vc-row { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; }
  .vcard .vc-chip {
    font-size: 9.5px; font-weight: 600; letter-spacing: 0.08em;
    color: #fff; background: rgba(0, 0, 0, 0.32);
    border-radius: 999px; padding: 4px 9px;
    backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
    white-space: nowrap;
  }
  .vcard .vc-play {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.92); color: #4C1D95;
  }
  .vcard .vc-bars { display: flex; flex-direction: column; gap: 5px; }
  .vcard .vc-bars i { display: block; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.4); }
  .vcard .vc-bars i:first-child { width: 72%; }
  .vcard .vc-bars i:last-child { width: 46%; background: rgba(255, 255, 255, 0.25); }
  .hero-art .spark {
    position: absolute; color: var(--lavender);
    filter: drop-shadow(0 0 8px rgba(196, 181, 253, 0.8));
    animation: twinkle 3.2s ease-in-out infinite;
  }
  .spark-1 { top: -6px; left: 12%; }
  .spark-2 { top: 18px; right: 9%; animation-delay: 1.1s; }
  .spark-3 { bottom: 4px; left: 46%; animation-delay: 2s; }
  @keyframes twinkle { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.35; transform: scale(0.78); } }

  .hero-facts {
    margin: 40px auto 0; max-width: 420px; width: 100%;
    border-block: 1px solid var(--line-soft);
  }
  .hero-facts > div {
    display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
    padding: 13px 4px;
  }
  .hero-facts > div + div { border-top: 1px solid var(--line-soft); }
  .hero-facts dt { font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-faint); white-space: nowrap; }
  .hero-facts dd { font-family: var(--display); font-size: 16px; font-weight: 600; color: var(--text); text-align: right; font-variant-numeric: tabular-nums; }
  .hero-facts dd em { font-style: normal; color: var(--lavender); }

  .hero-cta-row { margin-top: 36px; display: flex; flex-direction: column; align-items: center; gap: 18px; }
  .hero-count-card {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: min(100%, 320px);
    margin: 24px auto 0;
    padding: 14px 18px 16px;
    border: 1px solid rgba(196, 181, 253, 0.28);
    border-radius: 20px;
    background:
      linear-gradient(145deg, rgba(196, 181, 253, 0.14), rgba(21, 15, 40, 0.62)),
      radial-gradient(circle at 18% 20%, rgba(244, 114, 182, 0.20), transparent 42%);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.14),
      0 14px 34px rgba(13, 9, 24, 0.38),
      0 0 34px rgba(124, 58, 237, 0.22);
    color: var(--lavender-soft);
    font-variant-numeric: tabular-nums;
    overflow: hidden;
    animation: countdown-float 3.6s ease-in-out infinite;
  }
  .hero-count-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.16) 45%, transparent 62%);
    transform: translateX(-120%);
    animation: countdown-sheen 4.4s ease-in-out infinite;
  }
  .hero-count-card__label {
    position: relative;
    z-index: 1;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
  }
  .hero-count-card__time {
    position: relative;
    z-index: 1;
    color: var(--text);
    font-family: var(--display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.03em;
  }
  @keyframes countdown-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
  }
  @keyframes countdown-sheen {
    0%, 35% { transform: translateX(-120%); }
    70%, 100% { transform: translateX(120%); }
  }

  /* ---------- buttons ---------- */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    min-height: 56px; padding: 16px 36px;
    border: 0; border-radius: 999px;
    background: linear-gradient(120deg, var(--violet-cta), var(--violet-deep));
    color: #fff; font-family: var(--sans);
    font-size: 15px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
    text-decoration: none; cursor: pointer;
    box-shadow: 0 12px 40px rgba(124, 58, 237, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
    transition: box-shadow var(--dur) var(--ease-fluid), filter var(--dur) var(--ease-fluid);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .btn:hover { filter: brightness(1.12); box-shadow: 0 16px 48px rgba(124, 58, 237, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.25); }
  .btn:active { filter: brightness(0.95); box-shadow: 0 6px 20px rgba(124, 58, 237, 0.35); }
  .btn-quiet {
    display: inline-flex; align-items: center; min-height: 44px;
    font-size: 13px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--lavender); text-decoration: none;
    border-bottom: 1px solid var(--line); cursor: pointer;
    transition: border-color var(--dur) ease, color var(--dur) ease;
  }
  .btn-quiet:hover { color: var(--text); border-color: var(--lavender); }

  /* ---------- marquee (구조: 시안1) ---------- */
  .marquee {
    background: linear-gradient(90deg, rgba(109, 40, 217, 0.5), rgba(139, 92, 246, 0.35), rgba(109, 40, 217, 0.5));
    border-block: 1px solid var(--line);
    overflow: hidden;
    padding-block: 13px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .marquee-track { display: flex; gap: 32px; width: max-content; animation: scroll-x 28s linear infinite; }
  .marquee-track span {
    display: inline-flex; align-items: center; gap: 32px;
    color: var(--text); font-weight: 600; font-size: 13.5px;
    text-transform: uppercase; letter-spacing: 0.14em;
    white-space: nowrap;
  }
  .marquee-track svg { flex: none; color: var(--lavender); }
  @keyframes scroll-x { from { transform: translateX(0); } to { transform: translateX(-50%); } }

  /* ---------- sections: stacked sheets ---------- */
  section { padding-block: clamp(56px, 13cqw, 88px); }
  .sheet {
    position: relative;
    margin-inline: clamp(10px, 2.5cqw, 24px);
    margin-block: clamp(16px, 4cqw, 28px);
    border-radius: 28px;
    border: 1px solid var(--line-soft);
    background: linear-gradient(172deg, rgba(196, 181, 253, 0.08) 0%, rgba(21, 15, 40, 0.45) 55%, rgba(196, 181, 253, 0.04) 100%);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.08),
      0 6px 16px rgba(0, 0, 0, 0.25),
      0 30px 70px rgba(13, 9, 24, 0.5);
  }
  section.sheet:nth-of-type(even) {
    background: linear-gradient(172deg, rgba(67, 56, 202, 0.16) 0%, rgba(21, 15, 40, 0.5) 55%, rgba(139, 92, 246, 0.05) 100%);
  }
  .sec-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
  .sec-no {
    flex: none;
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: rgba(139, 92, 246, 0.18);
    color: var(--lavender);
    font-family: var(--display); font-size: 13px; font-weight: 600;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 4px 12px rgba(0, 0, 0, 0.3);
  }
  .sec-head .section-eyebrow { margin-bottom: 0; }
  .sec-head::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }

  .section-eyebrow {
    display: inline-block;
    font-size: 12px; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.28em;
    color: var(--lavender-soft);
    margin-bottom: 14px;
  }
  .section-title {
    font-family: var(--display);
    font-size: clamp(28px, 8cqw, 44px);
    font-weight: 700;
    line-height: 1.14;
    letter-spacing: -0.02em;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }
  .hero-kicker,
  .section-eyebrow,
  .art-caption,
  .final-deadline,
  .sticky-cta-info .label {
    word-break: keep-all;
    overflow-wrap: anywhere;
  }
  .section-title em { font-style: normal; color: var(--lavender); }
  .section-lead { margin-top: 16px; font-size: 16px; color: var(--text-dim); max-width: 48ch; }
  .section-lead strong { font-weight: 600; color: var(--text); }

  /* ---------- art frame (시안2 이미지) ---------- */
  .art-frame {
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
    background: linear-gradient(165deg, rgba(109, 40, 217, 0.22), rgba(21, 15, 40, 0.7) 65%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    margin-top: 32px;
  }
  .art-frame svg { display: block; width: 100%; height: auto; }
  .art-caption {
    display: flex; align-items: center; gap: 10px;
    padding: 13px 18px;
    border-top: 1px solid var(--line-soft);
    font-size: 11.5px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-faint);
  }
  .art-caption::before { content: ""; width: 20px; height: 1px; background: var(--lavender-soft); }

  /* ---------- fact grid (구조: 시안1) ---------- */
  .fact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 32px;
  }
  .fact-card {
    background: rgba(196, 181, 253, 0.09);
    border: 1px solid var(--line-soft);
    border-radius: 18px;
    padding: 22px 16px;
  }
  .fact-card .icon-chip {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(139, 92, 246, 0.16);
    color: var(--lavender);
    margin-bottom: 12px;
  }
  .fact-card h3 { font-family: var(--display); font-size: 15.5px; font-weight: 600; line-height: 1.3; color: var(--text); }
  .fact-card p { font-size: 13px; color: var(--text-faint); margin-top: 4px; }

  /* ---------- journey step cards (구조: 시안1) ---------- */
  .step-list { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
  .step-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 22px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 26px 22px;
  }
  .step-tag {
    display: inline-flex; align-items: center;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid var(--line);
    color: var(--lavender);
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.16em;
    border-radius: 999px;
    padding: 5px 14px;
    margin-bottom: 14px;
  }
  .step-card.is-final { background: linear-gradient(150deg, rgba(124, 58, 237, 0.28), rgba(21, 15, 40, 0.6)); border-color: var(--violet); }
  .step-card.is-final .step-tag { background: var(--violet-cta); border-color: var(--violet-cta); color: #fff; }
  .step-card h3 { font-family: var(--display); font-size: 21px; font-weight: 600; letter-spacing: -0.01em; color: var(--text); line-height: 1.3; }
  .step-card h3 em { font-style: normal; color: var(--lavender); }
  .step-card p { margin-top: 10px; font-size: 14.5px; color: var(--text-dim); }
  .step-meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
  .step-meta span {
    font-size: 12px; font-weight: 500;
    border: 1px solid var(--line);
    color: var(--lavender);
    border-radius: 999px;
    padding: 5px 12px;
    white-space: nowrap;
  }
  .step-arrow { display: flex; justify-content: center; color: var(--lavender-soft); }

  /* funnel graphic (시안2 이미지) */
  .funnel { margin-top: 40px; }
  .funnel-row { display: grid; grid-template-columns: 88px 1fr; align-items: center; gap: 14px; padding-block: 7px; }
  .funnel-label { font-size: 11px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-faint); text-align: right; }
  .funnel-bar {
    height: 34px; border-radius: 8px;
    display: flex; align-items: center; padding-inline: 12px;
    font-family: var(--display); font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }
  .funnel-row:nth-child(1) .funnel-bar { width: 100%; background: linear-gradient(90deg, #4C1D95, #6D28D9); }
  .funnel-row:nth-child(2) .funnel-bar { width: 56%; background: linear-gradient(90deg, #6D28D9, #8B5CF6); }
  .funnel-row:nth-child(3) .funnel-bar { width: 34%; min-width: 96px; background: linear-gradient(90deg, #8B5CF6, #D946EF); }
  .funnel-note { margin-top: 16px; font-size: 13.5px; color: var(--text-faint); text-align: center; }
  .funnel-note b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

  /* ---------- rewards ladder (구조: 시안1) ---------- */
  .ladder { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
  .ladder-row {
    display: flex; align-items: flex-start; gap: 16px;
    background: rgba(196, 181, 253, 0.09);
    border: 1px solid var(--line-soft);
    border-radius: 18px;
    padding: 18px;
  }
  .ladder-row.is-top {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(190, 24, 93, 0.18));
    border-color: var(--violet);
  }
  .ladder-rank {
    flex: none;
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 72px; height: 30px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(139, 92, 246, 0.16);
    font-family: var(--display);
    font-size: 11.5px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--lavender);
    padding-inline: 12px;
    margin-top: 2px;
    white-space: nowrap;
  }
  .ladder-row.is-top .ladder-rank { background: var(--violet-cta); border-color: var(--violet-cta); color: #fff; }
  .ladder-body h3 { font-family: var(--display); font-size: 15.5px; font-weight: 600; line-height: 1.35; color: var(--text); }
  .ladder-body p { font-size: 13.5px; color: var(--text-dim); margin-top: 4px; }
  .ladder-body p strong { color: var(--lavender); font-weight: 600; }

  /* ---------- korea perks (구조: 시안1) ---------- */
  .perk-list { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
  .perk {
    display: flex; align-items: center; gap: 16px;
    background: rgba(196, 181, 253, 0.09);
    border: 1px solid var(--line-soft);
    border-radius: 18px;
    padding: 16px 18px;
  }
  .perk .icon-chip {
    flex: none;
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(139, 92, 246, 0.16);
    color: var(--lavender);
  }
  .perk h3 { font-family: var(--display); font-size: 15.5px; font-weight: 600; line-height: 1.3; color: var(--text); }
  .perk p { font-size: 13px; color: var(--text-faint); margin-top: 2px; }

  /* ---------- judges & partners ---------- */
  .judge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 32px; }
  .judge-card {
    border: 1px solid var(--line-soft);
    border-radius: 18px;
    background: rgba(196, 181, 253, 0.09);
    padding: 20px 12px 18px;
    text-align: center;
  }
  .judge-ava {
    width: 56px; height: 56px; border-radius: 50%;
    margin: 0 auto 12px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--display); font-weight: 700; font-size: 16px; color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 8px 20px rgba(0, 0, 0, 0.3);
  }
  .ava-g1 { background: linear-gradient(140deg, #8B5CF6, #D946EF); }
  .ava-g2 { background: linear-gradient(140deg, #6D28D9, #F472B6); }
  .ava-g3 { background: linear-gradient(140deg, #4C1D95, #8B5CF6); }
  .ava-g4 { background: linear-gradient(140deg, #7C3AED, #4338CA); }
  .ava-g5 { background: linear-gradient(140deg, #A78BFA, #6D28D9); }
  .judge-card h3 { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.3; }
  .judge-card p { font-size: 11.5px; color: var(--text-faint); margin-top: 3px; line-height: 1.45; }
  .judge-card img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 8px 20px rgba(0, 0, 0, 0.3);
  }

  .partners-label {
    display: flex; align-items: center; gap: 16px;
    margin: 44px 0 16px;
    font-size: 11.5px; font-weight: 500;
    letter-spacing: 0.26em; text-transform: uppercase;
    color: var(--lavender-soft);
  }
  .partners-label::after { content: ""; flex: 1; height: 1px; background: var(--line-soft); }
  .partner-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .partner-tile {
    border: 1px solid var(--line-soft);
    border-radius: 14px;
    background: rgba(196, 181, 253, 0.04);
    min-height: 56px;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column; gap: 8px;
    text-align: center;
    padding: 8px 10px;
    font-size: 12px; font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--text-dim);
  }
  .partner-tile img {
    max-width: 86px;
    max-height: 34px;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
  }
  .partner-tile span { display: block; }

  /* ---------- trust points (구조: 시안1) ---------- */
  .trust-points { display: flex; flex-direction: column; gap: 18px; margin-top: 32px; }
  .trust-point { display: flex; gap: 16px; align-items: flex-start; }
  .trust-point .icon-chip {
    flex: none;
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--lavender);
    margin-top: 2px;
  }
  .trust-point h3 { font-family: var(--display); font-size: 16px; font-weight: 600; color: var(--text); }
  .trust-point p { font-size: 14px; color: var(--text-dim); margin-top: 2px; max-width: 52ch; }

  /* ---------- seoul band (시안2 이미지) ---------- */
  .seoul-band { border-block: 1px solid var(--line-soft); position: relative; overflow: hidden; }
  .seoul-band svg.skyline { display: block; width: 100%; height: auto; }
  .seoul-overlay {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center; padding: var(--pad);
    background: linear-gradient(to bottom, rgba(13, 9, 24, 0.25), rgba(13, 9, 24, 0.05) 45%, rgba(13, 9, 24, 0.6));
  }
  .seoul-overlay p { font-size: 11px; font-weight: 500; letter-spacing: 0.32em; text-transform: uppercase; color: var(--lavender); text-shadow: 0 2px 12px rgba(13, 9, 24, 0.9); }
  .seoul-overlay h3 {
    font-family: var(--display); font-weight: 700; font-size: clamp(26px, 8cqw, 44px);
    line-height: 1.2; margin-top: 10px; letter-spacing: -0.02em; text-shadow: 0 2px 16px rgba(13, 9, 24, 0.9);
  }
  .seoul-overlay h3 em { font-style: normal; color: var(--lavender); }

  /* ---------- final CTA card (구조: 시안1) ---------- */
  .final-cta { padding-block: clamp(64px, 15cqw, 104px); }
  .final-cta + .notice-section,
  .final-cta + .faq-section {
    margin-top: 0;
  }
  .notice-section,
  .faq-section {
    padding-block: 24px;
  }
  .notice-section .container,
  .faq-section .container {
    padding-block: 28px !important;
  }
  .notice-section + .faq-section .container {
    padding-top: 20px !important;
  }
  .final-cta-card {
    background: linear-gradient(160deg, rgba(124, 58, 237, 0.32), rgba(27, 19, 56, 0.55));
    border: 1px solid var(--violet);
    border-radius: 26px;
    backdrop-filter: blur(26px) saturate(150%);
    -webkit-backdrop-filter: blur(26px) saturate(150%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 14px 30px rgba(0, 0, 0, 0.35), 0 40px 90px rgba(124, 58, 237, 0.45);
    padding: clamp(32px, 8cqw, 48px) clamp(24px, 6cqw, 40px);
    text-align: center;
  }
  .final-cta-card h2 {
    font-family: var(--display);
    font-size: clamp(28px, 8cqw, 42px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.02em;
  }
  .final-cta-card h2 em { font-style: normal; color: var(--lavender); }
  .final-cta-card p { margin-top: 14px; font-size: 15px; color: var(--text-dim); }
  .final-cta-card .btn { margin-top: 28px; }
  .final-deadline {
    margin-top: 18px;
    font-size: 12.5px; font-weight: 500;
    letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--text-faint);
    font-variant-numeric: tabular-nums;
  }
  .final-deadline b { color: var(--lavender); font-weight: 600; }

  /* ---------- footer ---------- */
  footer {
    border-top: 1px solid var(--line-soft);
    padding: 36px var(--pad) calc(110px + env(safe-area-inset-bottom));
    text-align: center;
  }
  footer .logo { font-size: 15px; }
  footer p { margin: 12px auto 0; font-size: 12.5px; color: var(--text-faint); max-width: 52ch; }
  .footer-logo-img {
    display: block;
    max-width: 120px;
    height: auto;
    margin: 16px auto 12px;
  }

  /* ---------- sticky bottom bar (구조: 시안1) ---------- */
  .sticky-cta {
    position: fixed; left: 0; right: 0; bottom: 0;
    z-index: 200;
    background: rgba(27, 19, 56, 0.78);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border-top: 1px solid var(--line);
    padding: 12px clamp(20px, 5vw, 32px);
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    display: flex; align-items: center; gap: 16px;
    pointer-events: auto;
    transform: translateY(110%);
    transition: transform 340ms var(--ease-fluid);
  }
  .sticky-cta.visible { transform: translateY(0); }
  @media (min-width: 520px) {
    .sticky-cta {
      left: 50%;
      right: auto;
      width: 390px;
      max-width: calc(100vw - 24px);
      border-radius: 0 0 34px 34px;
      transform: translate(-50%, 110%);
    }
    .sticky-cta.visible { transform: translate(-50%, 0); }
  }
  .sticky-cta-info { flex: 1; min-width: 0; }
  .sticky-cta-info .label { display: block; font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em; color: var(--lavender-soft); }
  .sticky-cta-info .timer { display: block; font-family: var(--display); font-size: 15px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; white-space: nowrap; }
  .sticky-cta .btn { flex: none; min-height: 48px; font-size: 13.5px; padding: 10px 24px; box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4); }
  .sticky-cta .btn,
  .hero-cta-row .btn,
  .final-cta-card .btn {
    position: relative;
    z-index: 1;
  }

  /* ---------- elevation system ---------- */
  .fact-card, .perk, .ladder-row, .judge-card, .partner-tile {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 4px 10px rgba(0, 0, 0, 0.22), 0 14px 30px rgba(13, 9, 24, 0.3);
  }
  .step-card, .art-frame {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09), 0 8px 18px rgba(0, 0, 0, 0.3), 0 30px 60px rgba(13, 9, 24, 0.45);
  }
  .fact-card, .perk, .ladder-row, .judge-card, .step-card {
    transition: transform var(--dur) var(--ease-fluid), box-shadow var(--dur) var(--ease-fluid);
  }
  .fact-card:hover, .perk:hover, .ladder-row:hover, .judge-card:hover, .step-card:hover {
    transform: translateY(-3px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 10px 22px rgba(0, 0, 0, 0.3), 0 26px 52px rgba(76, 29, 149, 0.4);
  }
  .step-card.is-final {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 0 0 1px rgba(139, 92, 246, 0.35), 0 16px 40px rgba(124, 58, 237, 0.35);
  }
  .ladder-row.is-top {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 0 0 1px rgba(139, 92, 246, 0.35), 0 14px 36px rgba(124, 58, 237, 0.3);
  }

  /* ---------- reveal ---------- */
  .reveal {
    opacity: 0; transform: translateY(24px); filter: blur(6px);
    transition: opacity var(--dur-slow) var(--ease-fluid), transform var(--dur-slow) var(--ease-fluid), filter var(--dur-slow) var(--ease-fluid);
  }
  .reveal.in { opacity: 1; transform: none; filter: none; }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .aurora i, .spark, .hero-count-card, .hero-count-card::before { animation: none; }
    .marquee-track { animation: none; }
    .reveal { opacity: 1; transform: none; filter: none; transition: none; }
    .btn, .sticky-cta, .header-cta { transition: none; }
    .fact-card, .perk, .ladder-row, .judge-card, .step-card { transition: none; }
  }
