/* ==========================================================================
   디지털 마케팅 트렌드 2026 — 다크 에디토리얼 / 챕터별 컬러 전환
   ========================================================================== */

:root{
  --bg:#08080C;
  --bg2:#0C0C13;
  --panel:#11111A;
  --panel2:#16161F;
  --ink:#F3F4F8;
  --sub:#A7ABBA;
  --muted:#6E7383;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.18);

  --accent:#37C4FF;
  --accent2:#5AA9FF;

  --fs-hero:clamp(42px,7.2vw,132px);
  --fs-div:clamp(38px,5.2vw,88px);
  --fs-title:clamp(25px,3.1vw,52px);
  --fs-lead:clamp(15px,1.35vw,21px);
  --fs-body:clamp(14.5px,1.05vw,17px);
  --fs-small:clamp(14px,.9vw,16px);
  --fs-micro:clamp(14px,.74vw,14.6px);

  --pad-x:clamp(22px,4.6vw,96px);
  --pad-y:clamp(74px,8.4vh,104px);

  --ease:cubic-bezier(.22,1,.36,1);
  --font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo',sans-serif;
  --mono:'Space Grotesk','Pretendard',sans-serif;
}

/* 챕터별 팔레트 전환 — 주제가 바뀔 때마다 화면 색이 함께 바뀐다 */
.slide[data-ch="1"]{ --accent:#FF6B4A; --accent2:#FF9E5E; }
.slide[data-ch="2"]{ --accent:#8B7BFF; --accent2:#C46BFF; }
.slide[data-ch="3"]{ --accent:#2EE6A8; --accent2:#5AF0C8; }
.slide[data-ch="4"]{ --accent:#FFC93C; --accent2:#FF9F1C; }
.slide[data-ch="5"]{ --accent:#37C4FF; --accent2:#5AA9FF; }

*{ margin:0; padding:0; box-sizing:border-box; }

html{ background:var(--bg); }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-weight:400;
  word-break:keep-all;
  overflow-wrap:break-word;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-.012em;
  overflow:hidden;
}

/* 종이 질감처럼 아주 옅은 그레인 */
body::after{
  content:''; position:fixed; inset:0; z-index:60; pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:3px 3px; opacity:.55; mix-blend-mode:overlay;
}

.presentation{
  width:100vw; height:100vh;
  overflow-y:auto; overflow-x:hidden;
  scroll-snap-type:y mandatory;
  scroll-behavior:smooth;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.presentation::-webkit-scrollbar{ display:none; }

.slide{
  position:relative;
  width:100%; height:100vh;
  scroll-snap-align:start;
  scroll-snap-stop:always;
  padding:var(--pad-y) var(--pad-x);
  display:flex; flex-direction:column; justify-content:center;
  overflow:hidden;
  background:var(--bg);
  isolation:isolate;
}
/* 챕터 색이 배경에 아주 옅게 번진다 */
.slide[data-ch]:not([data-ch="0"])::before{
  content:''; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(120% 78% at 88% -12%, color-mix(in srgb, var(--accent) 17%, transparent) 0%, transparent 58%),
    radial-gradient(90% 62% at -10% 108%, color-mix(in srgb, var(--accent2) 11%, transparent) 0%, transparent 62%),
    linear-gradient(180deg,#0A0A11 0%,#08080C 100%);
}
.slide[data-ch="0"]::before{
  content:''; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:linear-gradient(180deg,#0A0A11 0%,#08080C 100%);
}

/* ===== 헤더 · 푸터 ===== */
.slide-header{
  position:absolute; top:clamp(28px,3.4vh,44px); left:var(--pad-x); right:var(--pad-x);
  display:flex; justify-content:space-between; align-items:center;
  padding-bottom:14px; border-bottom:1px solid var(--line);
}
.h-label{
  font-size:var(--fs-micro); letter-spacing:.24em; color:var(--sub);
  font-weight:600;
}
.slide-header::after{
  content:''; width:34px; height:2px; background:var(--accent); border-radius:2px;
}

.slide-footer{
  position:absolute; bottom:clamp(24px,3.2vh,42px); left:var(--pad-x); right:var(--pad-x);
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding-top:13px; border-top:1px solid var(--line);
  font-size:var(--fs-micro); color:var(--muted); letter-spacing:.06em;
}
.slide-footer .page-num{ color:var(--accent); font-family:var(--mono); font-weight:500; letter-spacing:.14em; }
.slide-footer span:last-child{ text-align:right; }

/* ===== 공통 타이틀 ===== */
.rule{ display:block; width:42px; height:2px; background:var(--accent); margin-bottom:20px; border-radius:2px; }
.slide-title{
  font-size:var(--fs-title); font-weight:800; line-height:1.18; letter-spacing:-.035em;
  margin-bottom:12px; color:var(--ink);
}
.slide-sub{
  font-size:var(--fs-lead); color:var(--sub); font-weight:350; line-height:1.62;
  max-width:66ch; margin-bottom:clamp(18px,3vh,36px);
}

/* ===== 등장 애니메이션 ===== */
.slide .anim{
  opacity:0; transform:translateY(22px);
  transition:opacity .82s var(--ease), transform .82s var(--ease);
}
.slide.in-view .anim{ opacity:1; transform:none; }
.slide.in-view .anim-1{ transition-delay:.06s }
.slide.in-view .anim-2{ transition-delay:.16s }
.slide.in-view .anim-3{ transition-delay:.26s }
.slide.in-view .anim-4{ transition-delay:.36s }
.slide.in-view .anim-5{ transition-delay:.46s }
.slide.in-view .anim-6{ transition-delay:.56s }
.slide.in-view .anim-7{ transition-delay:.66s }

/* ==========================================================================
   01 표지
   ========================================================================== */
.slide-cover{ justify-content:center; }
.cover-aurora{
  position:absolute; inset:-20% -10%; z-index:-1; pointer-events:none;
  background:
    radial-gradient(42% 46% at 22% 26%, rgba(255,107,74,.34) 0%, transparent 62%),
    radial-gradient(38% 44% at 74% 22%, rgba(139,123,255,.32) 0%, transparent 64%),
    radial-gradient(46% 42% at 62% 82%, rgba(55,196,255,.28) 0%, transparent 64%),
    radial-gradient(34% 38% at 14% 78%, rgba(46,230,168,.20) 0%, transparent 66%);
  filter:blur(28px);
  animation:auroraDrift 22s ease-in-out infinite alternate;
}
@keyframes auroraDrift{
  0%{ transform:translate3d(0,0,0) scale(1); }
  50%{ transform:translate3d(-2.5%,1.8%,0) scale(1.06); }
  100%{ transform:translate3d(2.2%,-1.6%,0) scale(1.02); }
}
.cover-grid{
  position:absolute; inset:0; z-index:-1; pointer-events:none; opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:clamp(48px,6vw,110px) clamp(48px,6vw,110px);
  mask-image:radial-gradient(70% 70% at 50% 45%,#000 0%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 45%,#000 0%,transparent 100%);
}
.cover-mark{
  position:absolute; right:var(--pad-x); bottom:clamp(60px,9vh,110px);
  font-family:var(--mono); font-weight:300;
  font-size:clamp(120px,22vw,340px); line-height:.8;
  color:rgba(255,255,255,.045); letter-spacing:-.05em; user-select:none;
}
.cover-body{ position:relative; max-width:min(1180px,92%); }
.cover-eyebrow{
  font-size:var(--fs-micro); letter-spacing:.34em; color:var(--sub);
  text-transform:uppercase; font-weight:600; margin-bottom:clamp(16px,2.4vh,28px);
}
.cover-eyebrow em{ font-family:var(--mono); font-style:italic; color:#37C4FF; }
.cover-title{
  font-size:var(--fs-hero); font-weight:800; line-height:.98; letter-spacing:-.055em;
  margin-bottom:clamp(18px,2.6vh,32px);
}
.cover-title .grad{
  background:linear-gradient(96deg,#FF6B4A 0%,#FFC93C 26%,#2EE6A8 52%,#37C4FF 74%,#8B7BFF 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.cover-lead{
  font-size:var(--fs-lead); color:var(--sub); line-height:1.65; font-weight:350;
  max-width:56ch; margin-bottom:clamp(20px,3.4vh,42px);
}
.cover-rail{ position:relative; display:flex; align-items:center; gap:14px; margin-bottom:clamp(20px,3.4vh,40px); }
.rail-dot{ width:10px; height:10px; border-radius:50%; background:var(--c); box-shadow:0 0 16px var(--c); }
.rail-line{ flex:1; height:1px; background:linear-gradient(90deg,var(--line2),transparent); max-width:340px; }
.cover-meta{ display:flex; flex-wrap:wrap; gap:clamp(20px,3.6vw,64px); }
.cm{ display:flex; flex-direction:column; gap:7px; }
.cm .k{ font-size:var(--fs-micro); letter-spacing:.26em; color:var(--muted); font-weight:600; }
.cm .v{ font-size:var(--fs-body); color:var(--ink); font-weight:500; }
.cover-scroll{
  position:absolute; left:var(--pad-x); bottom:clamp(26px,4vh,46px);
  display:flex; align-items:center; gap:10px;
  font-size:var(--fs-micro); letter-spacing:.24em; color:var(--muted);
}
.mouse{
  width:17px; height:27px; border:1px solid var(--line2); border-radius:10px; position:relative;
}
.mouse::after{
  content:''; position:absolute; left:50%; top:6px; width:3px; height:6px; border-radius:2px;
  background:var(--sub); margin-left:-1.5px; animation:mouseDrop 1.7s var(--ease) infinite;
}
@keyframes mouseDrop{ 0%{opacity:0;top:5px} 40%{opacity:1} 100%{opacity:0;top:15px} }

/* ==========================================================================
   02 목차
   ========================================================================== */
.toc-title{
  font-size:clamp(28px,4vw,64px); font-weight:800; letter-spacing:-.045em; line-height:1.1;
  margin-bottom:clamp(20px,3.6vh,44px);
}
.toc-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(12px,1.2vw,20px);
}
.toc-tile{
  display:grid; grid-template-columns:auto 1fr auto; grid-template-rows:auto auto;
  column-gap:clamp(14px,1.6vw,26px); row-gap:6px; align-items:start;
  padding:clamp(18px,2.2vh,30px) clamp(18px,1.8vw,32px);
  background:linear-gradient(180deg,rgba(255,255,255,.038),rgba(255,255,255,.012));
  border:1px solid var(--line); border-left:3px solid var(--c);
  border-radius:14px; cursor:pointer; text-decoration:none; color:inherit;
  transition:transform .4s var(--ease), border-color .3s ease, background .3s ease;
}
.toc-tile:hover{ transform:translateY(-4px); background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.02)); }
.toc-tile.wide{ grid-column:1 / -1; }
.t-num{
  grid-row:1 / span 2; font-family:var(--mono); font-size:clamp(28px,3.2vw,52px);
  font-weight:500; color:var(--c); line-height:1; letter-spacing:-.03em;
}
.t-name{ font-size:clamp(17px,1.5vw,25px); font-weight:700; letter-spacing:-.03em; }
.t-desc{ grid-column:2; font-size:var(--fs-body); color:var(--sub); line-height:1.55; font-weight:350; }
.t-page{ grid-row:1 / span 2; font-family:var(--mono); font-size:var(--fs-micro); color:var(--muted); letter-spacing:.1em; white-space:nowrap; }

/* ==========================================================================
   섹션 디바이더
   ========================================================================== */
.slide-divider{ justify-content:center; }
.divider-bgnum{
  position:absolute; right:calc(var(--pad-x) - .04em); top:50%; transform:translateY(-50%);
  font-family:var(--mono); font-weight:300;
  font-size:clamp(200px,40vw,480px); line-height:.76; letter-spacing:-.06em;
  color:color-mix(in srgb, var(--accent) 13%, transparent);
  user-select:none; pointer-events:none;
  opacity:0; transition:opacity 1.15s var(--ease) .08s;
}
.slide.in-view .divider-bgnum{ opacity:1; }
.divider-eyebrow{
  position:relative;
  font-size:var(--fs-micro); letter-spacing:.36em; text-transform:uppercase;
  color:var(--accent); font-weight:600; margin-bottom:clamp(14px,2.2vh,26px);
}
.divider-eyebrow em{ font-family:var(--mono); font-style:italic; }
.divider-title{
  position:relative; font-size:var(--fs-div); font-weight:800; line-height:1.02;
  letter-spacing:-.05em; margin-bottom:clamp(16px,2.6vh,30px);
}
.divider-sub{
  position:relative; font-size:var(--fs-lead); color:var(--sub); line-height:1.66;
  font-weight:350; max-width:46ch;
}
.divider-nav{
  position:absolute; left:var(--pad-x); bottom:clamp(88px,12vh,150px);
  display:flex; flex-wrap:wrap; gap:clamp(12px,1.6vw,28px);
}
.dn{ font-family:var(--mono); font-size:var(--fs-micro); letter-spacing:.14em; color:var(--muted); }
.dn.on{ color:var(--accent); font-weight:500; }

/* ==========================================================================
   04 광고비 무게중심
   ========================================================================== */
.shift-grid{ display:grid; grid-template-columns:.86fr 1.14fr; gap:clamp(18px,2.6vw,52px); align-items:center; }
.shift-notes{ display:flex; flex-direction:column; gap:clamp(12px,1.8vh,24px); }
.note{ border-left:2px solid var(--line2); padding-left:clamp(14px,1.2vw,20px); }
.note-k{
  display:block; font-size:var(--fs-micro); letter-spacing:.2em; color:var(--accent);
  font-weight:600; margin-bottom:7px;
}
.note p{ font-size:var(--fs-body); color:var(--sub); line-height:1.62; }

/* 차트 카드 (공통) */
.chart-card{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--line); border-radius:16px;
  padding:clamp(16px,1.8vw,28px);
}
.chart-cap{
  font-size:var(--fs-micro); letter-spacing:.16em; color:var(--sub); font-weight:600;
  margin-bottom:12px;
}
.chart-box{ position:relative; width:100%; height:clamp(210px,32vh,380px); }
.chart-box.tall{ height:clamp(230px,38vh,430px); }
.chart-box canvas{ position:absolute; inset:0; }
.chart-note{ margin-top:11px; font-size:var(--fs-micro); color:var(--muted); letter-spacing:.03em; }

/* ==========================================================================
   05 검색이 시작되는 곳 — 모의 UI 3장
   ========================================================================== */
.mock-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(14px,1.6vw,28px); }
.mock{ display:flex; flex-direction:column; }
.mock-tag{
  font-size:var(--fs-micro); letter-spacing:.2em; color:var(--accent); font-weight:600;
  margin-bottom:11px;
}
.mock-ui{
  background:#0F1018; border:1px solid var(--line); border-radius:13px;
  padding:clamp(12px,1.1vw,18px); margin-bottom:14px;
  min-height:clamp(150px,20vh,215px); display:flex; flex-direction:column; gap:9px;
}
.mui-bar{
  display:flex; align-items:center; gap:9px; background:#161723; border:1px solid var(--line);
  border-radius:999px; padding:8px 13px;
}
.mui-dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); flex:none; }
.mui-text{ font-size:var(--fs-small); color:var(--sub); }
.mui-ai{
  border:1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  background:color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius:10px; padding:11px 13px; display:flex; flex-direction:column; gap:6px;
}
.mui-badge{
  font-size:var(--fs-micro); letter-spacing:.14em; color:var(--accent); font-weight:700; margin-bottom:2px;
}
.mui-line{ display:block; height:6px; border-radius:3px; background:rgba(255,255,255,.16); }
.mui-line.w95{ width:95% } .mui-line.w90{ width:90% } .mui-line.w88{ width:88% }
.mui-line.w76{ width:76% } .mui-line.w70{ width:70% }
.mui-cites{ display:flex; flex-wrap:wrap; gap:5px; margin-top:5px; }
.mui-cites span{
  font-size:var(--fs-micro); color:var(--muted); border:1px solid var(--line);
  border-radius:999px; padding:3px 8px;
}
.mui-blue{ height:8px; width:72%; border-radius:3px; background:rgba(120,150,255,.28); }
.mui-blue.short{ width:52%; }
.mui-tiles{ display:grid; grid-template-columns:repeat(3,1fr); gap:6px; flex:1; }
.mtile{
  border-radius:7px; background:linear-gradient(150deg,rgba(255,255,255,.13),rgba(255,255,255,.035));
  min-height:34px;
}
.mui-chips{ display:flex; gap:6px; flex-wrap:wrap; }
.mui-chips span{
  font-size:var(--fs-micro); color:var(--sub); background:#171825; border-radius:999px; padding:4px 10px;
}
.mock-ui.chat{ gap:8px; }
.bubble{ font-size:var(--fs-small); line-height:1.5; border-radius:12px; padding:9px 12px; max-width:88%; }
.bubble.me{ align-self:flex-end; background:color-mix(in srgb, var(--accent) 22%, #14151F); color:var(--ink); }
.bubble.me.short{ max-width:52%; }
.bubble.ai{ align-self:flex-start; background:#15161F; border:1px solid var(--line); display:flex; flex-direction:column; gap:6px; width:88%; }
.mui-pills{ display:flex; gap:6px; margin-top:4px; }
.mui-pills span{ font-size:var(--fs-micro); color:var(--accent); border:1px solid color-mix(in srgb,var(--accent) 40%,transparent); border-radius:999px; padding:3px 9px; }
.mock-desc{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; }
.mock-src{ margin-top:9px; font-size:var(--fs-micro); color:var(--muted); }

/* ==========================================================================
   06 짧은 영상
   ========================================================================== */
.slide-short{ display:grid; grid-template-columns:1.25fr .75fr; gap:clamp(20px,3vw,60px); align-items:center; }
.short-left{ display:flex; flex-direction:column; }
.mega{ display:flex; align-items:flex-end; gap:12px; margin:clamp(6px,1.6vh,18px) 0 8px; }
.mega-num{
  font-family:var(--mono); font-weight:500; font-size:clamp(72px,13vw,210px);
  line-height:.86; letter-spacing:-.05em;
  background:linear-gradient(120deg,#FF6B4A,#FFC93C);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.mega-unit{ font-size:clamp(20px,2.4vw,42px); font-weight:700; color:var(--ink); padding-bottom:clamp(8px,1.4vh,20px); }
.mega-cap{ font-size:var(--fs-micro); color:var(--muted); letter-spacing:.1em; margin-bottom:clamp(16px,2.6vh,32px); }
.short-facts{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(12px,1.4vw,24px); }
.sf{
  border:1px solid var(--line); border-radius:13px; padding:clamp(14px,1.6vw,22px);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
}
.sf-n{ font-family:var(--mono); font-size:clamp(30px,3.4vw,54px); font-weight:500; color:var(--accent); line-height:1; letter-spacing:-.03em; }
.sf-u{ font-size:clamp(15px,1.2vw,20px); font-weight:600; color:var(--ink); margin-left:5px; }
.sf p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; margin-top:11px; }
.sf-src{ display:block; margin-top:10px; font-size:var(--fs-micro); color:var(--muted); }

.phone-stack{ position:relative; height:clamp(240px,52vh,560px); }
.phone{
  position:absolute; top:50%; border:1px solid var(--line2); border-radius:22px;
  background:#0E0F17; overflow:hidden; box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.phone.p1{ left:0;   width:44%; height:78%; transform:translateY(-50%) rotate(-7deg); z-index:1; }
.phone.p2{ left:26%; width:48%; height:96%; transform:translateY(-50%); z-index:3; }
.phone.p3{ right:0;  width:44%; height:78%; transform:translateY(-50%) rotate(7deg); z-index:2; }
.p-screen{ position:absolute; inset:7px; border-radius:16px; overflow:hidden; display:flex; flex-direction:column; }
.p-band{ display:block; flex:none; height:33.4%; animation:reelScroll 9s linear infinite; }
.p-band.b1{ background:linear-gradient(160deg,#FF6B4A,#FF9E5E); }
.p-band.b2{ background:linear-gradient(160deg,#8B7BFF,#37C4FF); }
.p-band.b3{ background:linear-gradient(160deg,#2EE6A8,#FFC93C); }
.phone.p2 .p-band{ animation-duration:6.5s; }
.phone.p3 .p-band{ animation-duration:11s; }
@keyframes reelScroll{ 0%{ transform:translateY(0) } 100%{ transform:translateY(-300%) } }

/* ==========================================================================
   07 사례 갤러리
   ========================================================================== */
.case-gallery{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(12px,1.3vw,22px); }
.case{
  border:1px solid var(--line); border-radius:15px; overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  display:flex; flex-direction:column;
  transition:transform .45s var(--ease), border-color .3s ease;
}
.case:hover{ transform:translateY(-6px); border-color:color-mix(in srgb,var(--c) 55%,transparent); }
.case-art{ height:clamp(86px,13vh,132px); position:relative; overflow:hidden; }
.case-art::after{ content:''; position:absolute; inset:0; background:linear-gradient(180deg,transparent 40%,rgba(8,8,12,.9)); }
.art-tumbler{ background:conic-gradient(from 210deg at 40% 40%,#FF6B4A,#FFC93C,#FF6B4A); }
.art-choco{ background:linear-gradient(135deg,#6B3F1D,#FFC93C 70%,#2EE6A8); }
.art-wrapped{ background:linear-gradient(120deg,#2EE6A8,#37C4FF 55%,#8B7BFF); }
.art-owl{ background:radial-gradient(80% 90% at 30% 20%,#8B7BFF,#2EE6A8 70%,#0E0F17); }
.case-year{
  font-family:var(--mono); font-size:var(--fs-micro); letter-spacing:.14em; color:var(--c);
  padding:14px clamp(14px,1.2vw,20px) 0;
}
.case h3{
  font-size:clamp(16px,1.32vw,22px); font-weight:700; letter-spacing:-.03em; line-height:1.28;
  padding:8px clamp(14px,1.2vw,20px) 0;
}
.case p{
  font-size:var(--fs-body); color:var(--sub); line-height:1.58;
  padding:10px clamp(14px,1.2vw,20px) clamp(16px,1.8vh,22px);
}

/* ==========================================================================
   09 생성 AI · 드래그 비교
   ========================================================================== */
.genai-grid{ display:grid; grid-template-columns:.92fr 1.08fr; gap:clamp(18px,2.6vw,52px); align-items:center; }
.genai-notes{ display:flex; flex-direction:column; gap:clamp(12px,1.6vh,22px); }
.gn{
  border:1px solid var(--line); border-radius:13px; padding:clamp(14px,1.5vw,22px);
  background:rgba(255,255,255,.022);
}
.gn.now{ border-color:color-mix(in srgb,var(--accent) 46%,transparent); background:color-mix(in srgb,var(--accent) 8%,transparent); }
.gn-k{
  display:inline-block; font-size:var(--fs-micro); letter-spacing:.2em; font-weight:700;
  color:var(--muted); margin-bottom:8px;
}
.gn.now .gn-k{ color:var(--accent); }
.gn h4{ font-size:clamp(16px,1.34vw,22px); font-weight:700; letter-spacing:-.03em; margin-bottom:7px; }
.gn p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; }
.gn-src{ font-size:var(--fs-micro); color:var(--muted); line-height:1.5; }

.compare{
  position:relative; width:100%; aspect-ratio:16/10; border-radius:16px; overflow:hidden;
  border:1px solid var(--line2); cursor:ew-resize; user-select:none; touch-action:pan-y;
  --pos:52%;
}
.cmp-layer{
  position:absolute; inset:0; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:4px;
}
.cmp-before{ background:linear-gradient(150deg,#1A1B26,#101119 60%,#191A24); }
.cmp-after{
  background:linear-gradient(150deg,#3A2160,#5B2E86 40%,#8B7BFF);
  clip-path:inset(0 0 0 var(--pos));
}
.cmp-badge{
  font-size:var(--fs-micro); letter-spacing:.22em; font-weight:700; color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.22); border-radius:999px; padding:5px 12px; margin-bottom:12px;
}
.cmp-cnt{
  font-family:var(--mono); font-size:clamp(48px,7.6vw,124px); font-weight:500; line-height:1;
  letter-spacing:-.05em; color:#fff;
}
.cmp-cap{ font-size:var(--fs-micro); letter-spacing:.18em; color:rgba(255,255,255,.62); }
.cmp-handle{
  position:absolute; top:0; bottom:0; left:var(--pos); width:2px;
  background:rgba(255,255,255,.85); pointer-events:none;
}
.cmp-knob{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:44px; height:44px; border-radius:50%; background:rgba(12,12,18,.86);
  border:1px solid rgba(255,255,255,.6); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:16px;
}

/* ==========================================================================
   10 개인화 팬아웃
   ========================================================================== */
.fan-wrap{ display:grid; grid-template-columns:1.28fr .72fr; gap:clamp(18px,2.4vw,46px); align-items:center; }
.fan{ width:100%; height:auto; max-height:clamp(220px,42vh,400px); }
.fan-p{ stroke-dasharray:1400; stroke-dashoffset:1400; }
.slide.in-view .fan-p{ animation:fanDraw 1.6s var(--ease) forwards; }
.fan-p:nth-child(2){ animation-delay:.08s } .fan-p:nth-child(3){ animation-delay:.16s }
.fan-p:nth-child(4){ animation-delay:.24s } .fan-p:nth-child(5){ animation-delay:.32s }
.fan-p:nth-child(6){ animation-delay:.4s }  .fan-p:nth-child(7){ animation-delay:.48s }
@keyframes fanDraw{ to{ stroke-dashoffset:0 } }
.fan-side{ display:flex; flex-direction:column; gap:clamp(12px,1.7vh,24px); }
.fs{ border-top:1px solid var(--line); padding-top:14px; }
.fs h4{ font-size:clamp(16px,1.3vw,21px); font-weight:700; letter-spacing:-.03em; margin-bottom:7px; }
.fs p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; }
.fs-src{ display:block; margin-top:8px; font-size:var(--fs-micro); color:var(--muted); }

/* ==========================================================================
   11 답변 속 브랜드
   ========================================================================== */
.answer-grid{ display:grid; grid-template-columns:1.06fr .94fr; gap:clamp(18px,2.6vw,52px); align-items:center; }
.answer-screen{
  background:#0F1018; border:1px solid var(--line); border-radius:16px;
  padding:clamp(16px,1.7vw,26px); display:flex; flex-direction:column; gap:13px;
}
.as-top{ border-bottom:1px solid var(--line); padding-bottom:12px; }
.as-q{ font-size:var(--fs-body); color:var(--sub); }
.as-q::before{ content:'⌕ '; color:var(--accent); }
.as-ai{
  border:1px solid color-mix(in srgb,var(--accent) 32%,transparent);
  background:color-mix(in srgb,var(--accent) 7%,transparent);
  border-radius:12px; padding:clamp(13px,1.3vw,20px);
}
.as-badge{ display:block; font-size:var(--fs-micro); letter-spacing:.18em; color:var(--accent); font-weight:700; margin-bottom:9px; }
.as-text{ font-size:var(--fs-body); color:var(--ink); line-height:1.75; }
.as-text mark{
  background:color-mix(in srgb,var(--accent) 26%,transparent); color:var(--ink);
  border-radius:4px; padding:1px 5px; font-weight:600;
}
.as-cites{ display:flex; flex-wrap:wrap; gap:6px; margin-top:12px; }
.as-cites span{ font-size:var(--fs-micro); color:var(--muted); border:1px solid var(--line); border-radius:999px; padding:4px 10px; }
.as-links{ display:flex; flex-direction:column; gap:9px; opacity:.5; }
.as-link{ height:9px; width:70%; border-radius:4px; background:rgba(120,150,255,.26); }
.as-link.s{ width:48%; }
.answer-side{ display:flex; flex-direction:column; gap:clamp(12px,1.8vh,26px); }
.ans{ display:grid; grid-template-columns:auto 1fr; column-gap:14px; row-gap:5px; align-items:start; }
.ans-n{ grid-row:1 / span 2; font-family:var(--mono); font-size:clamp(20px,1.9vw,32px); color:var(--accent); font-weight:500; line-height:1.05; }
.ans h4{ font-size:clamp(16px,1.3vw,21px); font-weight:700; letter-spacing:-.03em; }
.ans p{ grid-column:2; font-size:var(--fs-body); color:var(--sub); line-height:1.6; }

/* ==========================================================================
   12 사례 4장
   ========================================================================== */
.case2-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(12px,1.3vw,22px); }
.c2{
  border:1px solid var(--line); border-radius:15px; padding:clamp(16px,1.6vw,26px);
  background:linear-gradient(180deg,rgba(255,255,255,.038),rgba(255,255,255,.008));
  display:flex; flex-direction:column; transition:transform .45s var(--ease), border-color .3s ease;
}
.c2:hover{ transform:translateY(-6px); border-color:color-mix(in srgb,var(--accent) 50%,transparent); }
.c2.hero{ background:linear-gradient(160deg,color-mix(in srgb,var(--accent) 22%,transparent),rgba(255,255,255,.01)); border-color:color-mix(in srgb,var(--accent) 42%,transparent); }
.c2-year{ font-family:var(--mono); font-size:var(--fs-micro); letter-spacing:.16em; color:var(--accent); margin-bottom:12px; }
.c2 h3{ font-size:clamp(16px,1.34vw,22px); font-weight:700; letter-spacing:-.03em; line-height:1.3; margin-bottom:10px; }
.c2 p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; flex:1; }
.c2-brand{ margin-top:14px; padding-top:11px; border-top:1px solid var(--line); font-size:var(--fs-micro); color:var(--muted); letter-spacing:.06em; }

/* ==========================================================================
   14 쿠키 타임라인
   ========================================================================== */
.ctl{ position:relative; padding:clamp(14px,2.2vh,26px) 0; --ct-pad:clamp(14px,2.2vh,26px); }
/* 연도 줄 높이를 고정해 다섯 점이 같은 y에 놓이도록 한다 */
.ctl-line{
  position:absolute; left:0; right:0; top:calc(var(--ct-pad) + 47px); height:1px; background:var(--line2);
}
.ctl-line::after{
  content:''; position:absolute; inset:0; background:var(--accent); transform:scaleX(0); transform-origin:left;
  transition:transform 2s var(--ease) .3s;
}
.slide.in-view .ctl-line::after{ transform:scaleX(1); }
.ctl-items{ display:grid; grid-template-columns:repeat(5,1fr); gap:clamp(10px,1.2vw,22px); }
.ct{ display:flex; flex-direction:column; align-items:flex-start; gap:11px; }
.ct-y{
  font-family:var(--mono); font-size:clamp(15px,1.35vw,21px); color:var(--ink); font-weight:500;
  letter-spacing:.01em; height:30px; line-height:30px; white-space:nowrap;
}
.ct-dot{
  width:14px; height:14px; border-radius:50%; background:var(--muted);
  box-shadow:0 0 0 5px var(--bg); position:relative; z-index:2;
}
.ct-dot.big{ background:var(--accent); box-shadow:0 0 0 5px var(--bg),0 0 22px var(--accent); }
.ct p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; padding-right:8px; }
.ctl-punch{
  margin-top:clamp(16px,2.6vh,34px); border-left:3px solid var(--accent);
  background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 11%,transparent),transparent 70%);
  padding:clamp(15px,1.9vh,26px) clamp(16px,1.8vw,30px); border-radius:0 12px 12px 0;
}
.ctl-punch p{ font-size:clamp(15px,1.5vw,24px); color:var(--ink); line-height:1.55; font-weight:500; letter-spacing:-.025em; }

/* ==========================================================================
   15 직접 가진 데이터 — 궤도
   ========================================================================== */
.orbit-wrap{ display:grid; grid-template-columns:1.02fr .98fr; gap:clamp(18px,2.6vw,52px); align-items:center; }
.orbit{ position:relative; width:100%; aspect-ratio:1.28/1; max-height:clamp(220px,44vh,420px); }
.orbit-ring{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); border-radius:50%;
  border:1px dashed var(--line2);
}
.orbit-ring.r1{ width:56%; height:56%; }
.orbit-ring.r2{ width:92%; height:92%; }
.slide.in-view .orbit-ring.r2{ animation:spin 44s linear infinite; }
.slide.in-view .orbit-ring.r1{ animation:spin 30s linear infinite reverse; }
@keyframes spin{ from{ transform:translate(-50%,-50%) rotate(0) } to{ transform:translate(-50%,-50%) rotate(360deg) } }
.orbit-core{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width:38%; aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle at 40% 35%, color-mix(in srgb,var(--accent) 42%,transparent), #0E0F17 72%);
  border:1px solid color-mix(in srgb,var(--accent) 55%,transparent);
  display:flex; align-items:center; justify-content:center; text-align:center;
  font-size:var(--fs-body); font-weight:700; line-height:1.35; letter-spacing:-.02em;
  box-shadow:0 0 60px color-mix(in srgb,var(--accent) 26%,transparent);
}
.orb{
  position:absolute; transform:translate(-50%,-50%);
  font-size:var(--fs-small); color:var(--ink); font-weight:500;
  background:#12131C; border:1px solid var(--line2); border-radius:999px;
  padding:6px 13px; white-space:nowrap;
}
.orb.o1{ left:50%; top:3% }
.orb.o2{ left:83%; top:26% }
.orb.o3{ left:80%; top:75% }
.orb.o4{ left:50%; top:97% }
.orb.o5{ left:20%; top:75% }
.orb.o6{ left:17%; top:26% }
.first-side{ display:flex; flex-direction:column; gap:clamp(13px,1.9vh,26px); }
.fsd{ border-left:2px solid var(--accent); padding-left:clamp(14px,1.2vw,20px); }
.fsd h4{ font-size:clamp(16px,1.34vw,22px); font-weight:700; letter-spacing:-.03em; margin-bottom:7px; }
.fsd p{ font-size:var(--fs-body); color:var(--sub); line-height:1.62; }

/* ==========================================================================
   16 리테일 미디어 / 17 큰 회사
   ========================================================================== */
.retail-grid,
.bigads-grid{ display:grid; grid-template-columns:1.16fr .84fr; gap:clamp(18px,2.6vw,48px); align-items:center; }
.retail-side,
.bigads-side{ display:flex; flex-direction:column; gap:clamp(13px,1.9vh,26px); }
.rs{ border-top:1px solid var(--line); padding-top:14px; }
.rs h4{ font-size:clamp(16px,1.36vw,23px); font-weight:700; letter-spacing:-.03em; margin-bottom:7px; color:var(--accent); }
.rs p{ font-size:var(--fs-body); color:var(--sub); line-height:1.62; }
.ba{ display:flex; flex-direction:column; gap:6px; border-left:2px solid var(--line2); padding-left:clamp(13px,1.1vw,18px); }
.ba-k{ font-size:var(--fs-micro); letter-spacing:.2em; color:var(--accent); font-weight:700; }
.ba p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; }

/* ==========================================================================
   19 크리에이터
   ========================================================================== */
.creator-grid{ display:grid; grid-template-columns:1.06fr .94fr; gap:clamp(18px,2.6vw,48px); align-items:center; }
.creator-side{ display:flex; flex-direction:column; gap:clamp(13px,1.9vh,26px); }
.cs h4{ font-size:clamp(16px,1.34vw,22px); font-weight:700; letter-spacing:-.03em; margin-bottom:7px; }
.cs p{ font-size:var(--fs-body); color:var(--sub); line-height:1.62; }
.cs-big{
  font-family:var(--mono); font-size:clamp(48px,6.4vw,104px); font-weight:500; line-height:.92;
  letter-spacing:-.05em; color:var(--accent);
}
.cs-unit{ font-size:clamp(15px,1.2vw,20px); font-weight:600; margin-left:8px; color:var(--ink); }

/* ==========================================================================
   20 팬덤
   ========================================================================== */
.fandom-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(12px,1.4vw,24px); }
.fd{
  border:1px solid var(--line); border-radius:14px; padding:clamp(15px,1.6vw,26px);
  background:linear-gradient(180deg,rgba(255,255,255,.038),rgba(255,255,255,.008));
}
.fd-num{ font-family:var(--mono); font-size:var(--fs-micro); letter-spacing:.2em; color:var(--accent); }
.fd h4{ font-size:clamp(16px,1.32vw,22px); font-weight:700; letter-spacing:-.03em; margin:10px 0 8px; }
.fd p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; }
.fandom-quote{
  margin-top:clamp(16px,2.6vh,34px); padding:clamp(16px,2.2vh,30px) clamp(18px,2vw,36px);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  font-size:clamp(16px,1.75vw,29px); font-weight:350; line-height:1.5; letter-spacing:-.028em; color:var(--ink);
}
.fandom-quote cite{
  display:block; margin-top:12px; font-size:var(--fs-micro); color:var(--muted);
  font-style:normal; letter-spacing:.16em;
}

/* ==========================================================================
   21 UGC
   ========================================================================== */
.ugc-wrap{ display:grid; grid-template-columns:1.02fr .98fr; gap:clamp(18px,2.6vw,50px); align-items:center; }
.ugc-feed{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(10px,1.1vw,18px); }
.ug-card{ border:1px solid var(--line); border-radius:13px; overflow:hidden; background:#0F1018; }
.ug-thumb{ height:clamp(96px,17vh,180px); }
.ug-thumb.t1{ background:linear-gradient(160deg,#FFC93C,#FF6B4A); }
.ug-thumb.t2{ background:linear-gradient(160deg,#2EE6A8,#37C4FF); }
.ug-thumb.t3{ background:linear-gradient(160deg,#2A2C3A,#43465C); }
.ug-meta{ display:flex; flex-direction:column; gap:4px; padding:11px 12px 6px; }
.ug-name{ font-size:var(--fs-micro); color:var(--sub); }
.ug-tag{ font-size:var(--fs-small); color:var(--accent); font-weight:600; }
.ug-bar{ height:4px; background:rgba(255,255,255,.08); margin:8px 12px 13px; border-radius:3px; overflow:hidden; }
.ug-bar span{ display:block; height:100%; background:var(--accent); border-radius:3px; transform-origin:left; transform:scaleX(0); transition:transform 1.3s var(--ease) .4s; }
.slide.in-view .ug-bar span{ transform:scaleX(1); }
.ugc-side{ display:flex; flex-direction:column; gap:clamp(12px,1.8vh,24px); }
.us h4{ font-size:clamp(16px,1.34vw,22px); font-weight:700; letter-spacing:-.03em; margin-bottom:7px; }
.us p{ font-size:var(--fs-body); color:var(--sub); line-height:1.62; }
.us-src{ font-size:var(--fs-micro); color:var(--muted); }

/* ==========================================================================
   23 라이브 투표
   ========================================================================== */
.poll{
  border:1px solid var(--line2); border-radius:18px; padding:clamp(16px,2.2vh,30px) clamp(16px,2vw,34px);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
}
.poll-q{ font-size:clamp(16px,1.6vw,26px); font-weight:700; letter-spacing:-.03em; margin-bottom:clamp(12px,2vh,22px); }
.poll-rows{ display:flex; flex-direction:column; gap:clamp(8px,1.2vh,14px); }
.poll-row{
  display:grid; grid-template-columns:clamp(96px,13vw,190px) 1fr auto;
  align-items:center; gap:clamp(10px,1.2vw,20px);
  background:transparent; border:0; border-radius:10px; padding:clamp(7px,1vh,11px) 10px;
  cursor:pointer; text-align:left; font-family:inherit; color:inherit;
  transition:background .25s ease;
}
.poll-row:hover{ background:rgba(255,255,255,.045); }
.poll-row.picked .pr-label{ color:var(--c); }
.pr-label{ font-size:var(--fs-body); font-weight:600; color:var(--ink); }
.pr-track{ height:clamp(14px,1.7vh,22px); background:rgba(255,255,255,.07); border-radius:999px; overflow:hidden; }
.pr-fill{
  display:block; height:100%; width:0%; border-radius:999px;
  background:linear-gradient(90deg,var(--c),color-mix(in srgb,var(--c) 45%,transparent));
  transition:width .65s var(--ease);
}
.pr-val{ font-family:var(--mono); font-size:clamp(15px,1.4vw,24px); color:var(--c); font-weight:500; min-width:2.4em; text-align:right; }
.poll-foot{ display:flex; align-items:center; justify-content:space-between; margin-top:clamp(12px,1.8vh,20px); padding-top:12px; border-top:1px solid var(--line); }
.poll-count{ font-size:var(--fs-micro); color:var(--muted); letter-spacing:.14em; }
.poll-count b{ font-family:var(--mono); color:var(--accent); font-size:clamp(15px,1.2vw,19px); margin-right:4px; }
.poll-reset{
  background:transparent; border:1px solid var(--line2); border-radius:999px;
  color:var(--sub); font-family:inherit; font-size:var(--fs-micro); letter-spacing:.1em;
  padding:7px 15px; cursor:pointer; transition:color .25s ease, border-color .25s ease;
}
.poll-reset:hover{ color:var(--accent); border-color:var(--accent); }
.poll-note{ margin-top:clamp(12px,2vh,20px); font-size:var(--fs-body); color:var(--muted); line-height:1.6; }

/* ==========================================================================
   24 라이브 커머스
   ========================================================================== */
.lc-flow{ display:grid; grid-template-columns:1fr auto 1fr auto 1fr auto 1fr; gap:clamp(8px,1vw,18px); align-items:stretch; }
.lc{
  border:1px solid var(--line); border-radius:14px; padding:clamp(15px,1.7vw,26px);
  background:linear-gradient(180deg,rgba(255,255,255,.038),rgba(255,255,255,.008));
  display:flex; flex-direction:column;
}
.lc.hot{ border-color:color-mix(in srgb,var(--accent) 52%,transparent); background:linear-gradient(160deg,color-mix(in srgb,var(--accent) 17%,transparent),rgba(255,255,255,.01)); }
.lc-i{ font-size:clamp(20px,1.9vw,30px); margin-bottom:12px; }
.lc h4{ font-size:clamp(15px,1.28vw,21px); font-weight:700; letter-spacing:-.03em; margin-bottom:8px; }
.lc p{ font-size:var(--fs-body); color:var(--sub); line-height:1.58; }
.lc-arrow{ align-self:center; width:clamp(14px,2vw,34px); height:1px; background:var(--line2); position:relative; }
.lc-arrow::after{ content:''; position:absolute; right:-1px; top:-3px; width:7px; height:7px; border-top:1px solid var(--line2); border-right:1px solid var(--line2); transform:rotate(45deg); }
.lc-note{
  margin-top:clamp(14px,2.4vh,30px); border-left:2px solid var(--accent);
  padding:clamp(13px,1.7vh,22px) clamp(15px,1.6vw,26px); background:rgba(255,255,255,.025); border-radius:0 12px 12px 0;
}
.lc-note p{ font-size:var(--fs-body); color:var(--sub); line-height:1.65; }
.lc-src{ display:block; margin-top:9px; font-size:var(--fs-micro); color:var(--muted); }

/* ==========================================================================
   25 살아있는 산출물
   ========================================================================== */
.alive-grid{ display:grid; grid-template-columns:.86fr 1.14fr; gap:clamp(18px,2.6vw,50px); align-items:center; }
.alive-left{ display:flex; flex-direction:column; gap:clamp(11px,1.6vh,20px); }
.al-row{ border:1px solid var(--line); border-radius:13px; padding:clamp(13px,1.6vw,22px); background:rgba(255,255,255,.02); }
.al-row.on{ border-color:color-mix(in srgb,var(--accent) 50%,transparent); background:color-mix(in srgb,var(--accent) 9%,transparent); }
.al-k{ display:block; font-size:var(--fs-micro); letter-spacing:.2em; font-weight:700; color:var(--muted); margin-bottom:7px; }
.al-row.on .al-k{ color:var(--accent); }
.al-row p{ font-size:var(--fs-body); color:var(--sub); line-height:1.6; }
.al-facts{ display:flex; flex-direction:column; gap:9px; margin-top:2px; }
.af{ display:grid; grid-template-columns:auto 1fr; gap:12px; align-items:center; }
.af-n{ font-family:var(--mono); font-size:var(--fs-small); color:var(--accent); border:1px solid color-mix(in srgb,var(--accent) 44%,transparent); border-radius:50%; width:26px; height:26px; display:flex; align-items:center; justify-content:center; }
.af p{ font-size:var(--fs-body); color:var(--sub); line-height:1.5; }
.al-credit{ margin-top:4px; font-size:var(--fs-micro); color:var(--muted); line-height:1.55; }

.alive-panel{
  position:relative; width:100%; aspect-ratio:16/10.4; max-height:clamp(240px,52vh,520px);
  border:1px solid var(--line2); border-radius:16px; overflow:hidden;
  background:radial-gradient(70% 70% at 50% 40%, #101725 0%, #08080C 76%);
}
.alive-canvas{ display:block; width:100%; height:100%; }
.alive-hud{
  position:absolute; top:12px; left:14px; right:14px;
  display:flex; align-items:center; justify-content:space-between; pointer-events:none;
}
.ah-live{ display:flex; align-items:center; gap:7px; font-size:var(--fs-micro); letter-spacing:.2em; color:var(--accent); font-weight:700; }
.ah-live i{ width:7px; height:7px; border-radius:50%; background:var(--accent); animation:blip 1.4s ease-in-out infinite; }
@keyframes blip{ 0%,100%{ opacity:1; box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 60%,transparent) } 50%{ opacity:.45; box-shadow:0 0 0 7px transparent } }
.ah-fps{ font-family:var(--mono); font-size:var(--fs-micro); color:var(--muted); letter-spacing:.1em; }
.alive-legend{
  position:absolute; left:14px; bottom:14px; display:flex; flex-direction:column; gap:5px;
}
.lg-row{
  display:flex; align-items:center; gap:8px; font-size:var(--fs-micro); color:var(--sub);
  background:rgba(8,8,12,.55); border:1px solid var(--line); border-radius:999px; padding:4px 11px;
  cursor:default;
}
.lg-row [data-slot="value"]{ font-family:var(--mono); color:var(--ink); }
.lg-dot{ width:8px; height:8px; border-radius:50%; flex:none; }
.alive-cues{ position:absolute; right:14px; bottom:14px; display:flex; gap:7px; flex-wrap:wrap; justify-content:flex-end; }
.cue{
  background:rgba(8,8,12,.6); border:1px solid var(--line2); border-radius:999px;
  color:var(--sub); font-family:inherit; font-size:var(--fs-micro); letter-spacing:.06em;
  padding:6px 13px; cursor:pointer; transition:color .22s ease, border-color .22s ease;
}
.cue:hover{ color:var(--accent); border-color:var(--accent); }
[data-df-engine-tooltip]{
  position:fixed; z-index:80; pointer-events:none;
  background:rgba(10,10,16,.94); border:1px solid var(--line2); border-radius:8px;
  padding:6px 11px; font-size:13px; color:var(--ink); font-family:var(--font);
  white-space:nowrap; transform:translate(-50%,-140%);
}

/* ==========================================================================
   26 지도
   ========================================================================== */
.map-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(11px,1.2vw,20px); }
.mp{
  display:block; text-decoration:none; color:inherit; cursor:pointer;
  border:1px solid var(--line); border-left:3px solid var(--c); border-radius:13px;
  padding:clamp(14px,1.8vh,24px) clamp(16px,1.6vw,28px);
  background:linear-gradient(180deg,rgba(255,255,255,.038),rgba(255,255,255,.008));
  transition:transform .4s var(--ease), background .3s ease;
}
.mp:hover{ transform:translateY(-4px); background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.018)); }
.mp.wide{ grid-column:1 / -1; }
.mp-n{ font-family:var(--mono); font-size:var(--fs-micro); letter-spacing:.2em; color:var(--c); }
.mp h4{ font-size:clamp(16px,1.42vw,24px); font-weight:700; letter-spacing:-.03em; margin:8px 0 7px; }
.mp p{ font-size:var(--fs-body); color:var(--sub); line-height:1.58; }

/* ==========================================================================
   27 참고
   ========================================================================== */
.refs-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(13px,1.6vw,28px); }
.rf{ border-top:1px solid var(--line); padding-top:14px; }
.rf-k{ display:block; font-size:var(--fs-micro); letter-spacing:.2em; color:var(--accent); font-weight:700; margin-bottom:11px; }
.rf ul{ list-style:none; display:flex; flex-direction:column; gap:8px; }
.rf li{ font-size:var(--fs-body); color:var(--sub); line-height:1.55; padding-left:15px; position:relative; }
.rf li::before{ content:'—'; position:absolute; left:0; color:var(--muted); }

/* ==========================================================================
   28 마무리
   ========================================================================== */
.slide-close{ justify-content:center; align-items:flex-start; text-align:left; }
.close-aurora{
  position:absolute; inset:-25% -12%; z-index:-1; pointer-events:none; filter:blur(34px);
  background:
    radial-gradient(38% 42% at 18% 30%, rgba(255,107,74,.30) 0%, transparent 64%),
    radial-gradient(36% 40% at 52% 20%, rgba(255,201,60,.24) 0%, transparent 64%),
    radial-gradient(40% 44% at 78% 62%, rgba(55,196,255,.30) 0%, transparent 64%),
    radial-gradient(34% 38% at 34% 84%, rgba(46,230,168,.24) 0%, transparent 66%);
  animation:auroraDrift 26s ease-in-out infinite alternate;
}
.close-eyebrow{ font-size:var(--fs-micro); letter-spacing:.36em; text-transform:uppercase; color:var(--sub); font-weight:600; margin-bottom:clamp(16px,2.6vh,30px); }
.close-eyebrow em{ font-family:var(--mono); font-style:italic; }
.close-title{
  font-size:clamp(26px,4.4vw,76px); font-weight:800; line-height:1.16; letter-spacing:-.048em;
  margin-bottom:clamp(16px,2.6vh,32px); max-width:22ch;
}
.close-title .grad{
  background:linear-gradient(96deg,#FFC93C,#FF6B4A 40%,#8B7BFF 74%,#37C4FF);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.close-lead{ font-size:var(--fs-lead); color:var(--sub); line-height:1.66; font-weight:350; max-width:52ch; margin-bottom:clamp(20px,3.4vh,42px); }
.close-rail{ display:flex; flex-wrap:wrap; gap:clamp(8px,1vw,16px); }
.close-rail span{
  font-size:var(--fs-small); color:var(--c); font-weight:600; letter-spacing:.06em;
  border:1px solid color-mix(in srgb,var(--c) 45%,transparent); border-radius:999px; padding:7px 17px;
}

/* ==========================================================================
   화면 크롬
   ========================================================================== */
.aura-follower{
  position:fixed; top:0; left:0; width:200px; height:200px; border-radius:50%;
  background:radial-gradient(circle, rgba(120,170,255,.20) 0%, rgba(120,170,255,.06) 42%, transparent 70%);
  mix-blend-mode:screen; pointer-events:none; z-index:70;
  transform:translate(-50%,-50%); opacity:0; transition:opacity .5s ease;
  will-change:left,top;
}
.progress-bar{ position:fixed; top:0; left:0; width:100%; height:2px; background:rgba(255,255,255,.08); z-index:75; }
.progress-bar .progress{ height:100%; width:0%; background:linear-gradient(90deg,#FF6B4A,#FFC93C,#2EE6A8,#37C4FF,#8B7BFF); transition:width .45s var(--ease); }
.slide-indicator{
  position:fixed; right:clamp(14px,2vw,34px); bottom:clamp(14px,2.2vh,30px);
  font-family:var(--mono); font-size:13px; letter-spacing:.16em; color:var(--muted);
  background:rgba(10,10,16,.7); border:1px solid var(--line); border-radius:999px;
  padding:7px 15px; z-index:75; backdrop-filter:blur(9px);
}
.slide-indicator .current{ color:#F3F4F8; font-weight:500; }

/* ==========================================================================
   태블릿 (≈821 — 1180px) — 2단은 유지하되 밀도만 낮춘다
   ========================================================================== */
@media (max-width:1180px) and (min-width:821px){
  .mock-row{ grid-template-columns:repeat(3,1fr); gap:12px; }
  .case-gallery,
  .case2-row,
  .fandom-row{ grid-template-columns:repeat(2,1fr); }
  .lc-flow{ grid-template-columns:1fr 1fr; gap:12px; }
  .lc-arrow{ display:none; }
  .ctl-items{ grid-template-columns:repeat(3,1fr); row-gap:20px; }
  .ctl-line{ display:none; }
  .phone-stack{ height:clamp(200px,38vh,340px); }
}

/* ==========================================================================
   폰 (≤820px) — 세로 한 열 리플로우 · 웹툰처럼 이어지는 스크롤
   ========================================================================== */
@media (max-width:820px){
  body{ overflow:auto; }
  .presentation{
    height:auto; min-height:100svh; overflow:visible;
    scroll-snap-type:none; scroll-behavior:auto;
  }
  .slide{
    height:auto; min-height:100svh;
    scroll-snap-align:none;
    padding:26px 20px 30px;
    justify-content:flex-start; gap:0;
    overflow:visible;
  }
  /* 헤더·푸터가 흐름 안으로 들어오므로 order로 위아래를 못 박는다 */
  .slide-header{
    position:static; left:auto; right:auto; top:auto; order:-1;
    margin-bottom:18px; padding-bottom:11px;
  }
  .slide-footer{
    position:static; left:auto; right:auto; bottom:auto; order:9;
    margin-top:26px; padding-top:11px;
    flex-wrap:wrap; gap:6px; line-height:1.5;
  }
  .slide-footer span:last-child{ text-align:left; }

  .slide-title{ font-size:clamp(22px,6.2vw,30px); line-height:1.26; }
  .slide-sub{ font-size:15px; line-height:1.66; margin-bottom:20px; }
  .rule{ margin-bottom:14px; }

  /* --- 모든 다단 레이아웃 → 한 열 --- */
  .toc-grid,
  .map-grid,
  .refs-grid,
  .shift-grid,
  .mock-row,
  .short-facts,
  .case-gallery,
  .genai-grid,
  .fan-wrap,
  .answer-grid,
  .case2-row,
  .ctl-items,
  .orbit-wrap,
  .retail-grid,
  .bigads-grid,
  .creator-grid,
  .fandom-row,
  .ugc-wrap,
  .ugc-feed,
  .lc-flow,
  .alive-grid,
  .slide-short{
    grid-template-columns:1fr;
    gap:14px;
  }
  .toc-tile.wide,
  .mp.wide{ grid-column:auto; }

  /* 한 열로 쌓일 때는 언제나 설명이 먼저, 그림이 뒤 */
  .fan-wrap .fan,
  .answer-grid .answer-screen,
  .retail-grid .chart-card,
  .bigads-grid .chart-card,
  .creator-grid .chart-card,
  .orbit-wrap .orbit,
  .ugc-wrap .ugc-feed{ order:2; }

  /* 표지 */
  .slide-cover{ justify-content:center; padding-top:56px; padding-bottom:64px; }
  .cover-body{ max-width:100%; }
  .cover-title{ font-size:clamp(38px,12.4vw,60px); line-height:1.02; }
  .cover-lead{ font-size:15px; }
  .cover-mark{ font-size:38vw; bottom:36px; opacity:.7; }
  .cover-meta{ gap:16px 26px; }
  .cover-scroll{ display:none; }

  /* 목차 */
  .toc-title{ font-size:clamp(24px,7vw,32px); margin-bottom:20px; }
  .toc-tile{ grid-template-columns:auto 1fr; padding:16px 16px; }
  .t-num{ grid-row:1 / span 2; font-size:30px; }
  .t-page{ grid-row:3; grid-column:1 / -1; margin-top:4px; }
  .t-desc{ grid-column:2; }

  /* 디바이더 */
  .slide-divider{ justify-content:center; }
  .divider-bgnum{ font-size:44vw; right:8px; top:16%; transform:none; opacity:.9; }
  .slide.in-view .divider-bgnum{ transform:none; }
  .divider-title{ font-size:clamp(34px,10.4vw,54px); }
  .divider-sub{ font-size:15px; max-width:100%; }
  .divider-nav{ position:static; margin-top:26px; gap:8px 14px; }

  /* 차트 */
  .chart-box,
  .chart-box.tall{ height:min(58vw,300px); }

  /* 검색 모의 UI */
  .mock-ui{ min-height:0; }
  .mui-tiles{ grid-template-columns:repeat(3,1fr); }
  .mtile{ min-height:44px; }

  /* 숏폼 */
  .mega-num{ font-size:clamp(64px,21vw,110px); }
  .mega-unit{ font-size:22px; padding-bottom:8px; }
  .phone-stack{ height:min(74vw,330px); order:2; margin-top:16px; }
  .sf-n{ font-size:34px; }

  /* 사례 카드 */
  .case-art{ height:110px; }

  /* 비교 드래그 */
  .compare{ aspect-ratio:16/11; }
  .cmp-cnt{ font-size:clamp(44px,15vw,76px); }

  /* 팬아웃 SVG — 폰에서는 라벨 글자가 너무 작아지므로 갈래 그림만 남긴다 */
  .fan{ max-height:200px; }
  .fan-labels{ display:none; }

  /* 쿠키 타임라인 → 세로 */
  .ctl-line{ display:none; }
  .ct{ flex-direction:row; align-items:flex-start; gap:12px; flex-wrap:wrap; border-left:1px solid var(--line); padding-left:14px; }
  .ct-dot{ order:-1; margin-top:6px; box-shadow:none; }
  .ct-y{ font-size:15px; }
  .ct p{ flex-basis:100%; padding-right:0; }
  .ctl-punch p{ font-size:16px; }

  /* 궤도 */
  .orbit{ aspect-ratio:1.05/1; max-height:none; }
  .orbit-core{ width:44%; font-size:14px; }
  .orb{ font-size:13.5px; padding:5px 10px; }
  .orb.o2{ left:84% } .orb.o3{ left:82% } .orb.o5{ left:18% } .orb.o6{ left:16% }

  /* 투표 */
  .poll{ padding:16px 14px; }
  .poll-q{ font-size:17px; }
  .poll-row{ grid-template-columns:1fr auto; grid-template-rows:auto auto; gap:6px 10px; padding:8px; }
  .pr-label{ grid-row:1; grid-column:1; }
  .pr-val{ grid-row:1; grid-column:2; }
  .pr-track{ grid-row:2; grid-column:1 / -1; height:14px; }

  /* 라이브 커머스 */
  .lc-arrow{ display:none; }

  /* 살아있는 산출물 */
  .alive-panel{
    aspect-ratio:auto; max-height:none; order:2;
    display:flex; flex-direction:column;
  }
  .alive-canvas{ flex:none; width:100%; height:min(62vw,270px); }
  .alive-legend{ position:static; margin:0; padding:11px 12px 0; flex-direction:row; flex-wrap:wrap; gap:6px; }
  .alive-cues{ position:static; padding:11px 12px 13px; justify-content:flex-start; }
  .alive-hud{ position:absolute; }

  /* 마무리 */
  .close-title{ font-size:clamp(26px,7.6vw,38px); max-width:100%; }
  .close-lead{ font-size:15px; }

  /* 크롬 */
  .aura-follower{ display:none; }
  .slide-indicator{ font-size:12px; padding:6px 12px; right:12px; bottom:12px; }
}

/* 세로가 아주 짧은 가로 화면 — 높이를 고정하지 않는다 */
@media (max-height:520px) and (min-width:821px){
  .slide{ height:auto; min-height:100vh; padding-top:64px; padding-bottom:64px; }
  .presentation{ scroll-snap-type:y proximity; }
}

@media (prefers-reduced-motion:reduce){
  .slide .anim{ transition:none; opacity:1; transform:none; }
  .cover-aurora,.close-aurora,.p-band,.orbit-ring,.ah-live i{ animation:none !important; }
}

/* ==========================================================================
   인쇄 / 내보내기
   ========================================================================== */
@media print{
  @page{ size:1920px 1080px; margin:0; }
  html,body{ width:1920px; height:auto; overflow:visible; background:#08080C; }
  body::after{ display:none; }
  .presentation{ width:1920px; height:auto; overflow:visible; scroll-snap-type:none; }
  .slide{
    width:1920px !important; height:1080px !important;
    overflow:hidden; page-break-after:always; break-after:page;
  }
  .slide-header,.slide-footer{ position:absolute; }
  .anim{ opacity:1 !important; transform:none !important; transition:none !important; }
  .aura-follower,.progress-bar,.slide-indicator,.cover-scroll,#three-canvas-container{ display:none !important; }
  *{ print-color-adjust:exact !important; -webkit-print-color-adjust:exact !important; }
}