/* 플럿 CS 랜딩 — mathflat.com 실측(1440 기준: 컨테이너 1323·헤더 72·섹션 156·히어로 h1 58·레일 카드 1105×540·3열 카드 426×588·후기 카드 686·플로팅 바 625×84) */
:root{--ink:#111;--sub:#555;--mute:#888;--line:#DDD;--bg2:#F2F3F5;--blue:#0046FF;--sky:#1C8CFF;--violet:#8E27FF;--lime1:#C6FF3A;--lime2:#F4FF4A;--r:20px;--w:1323px;--gut:58px;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.6;word-break:keep-all;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
img{display:block;max-width:100%}
ul{list-style:none}
[hidden]{display:none !important}
.wrap{width:min(var(--w),calc(100% - 40px));margin:0 auto}
.sr{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
::selection{background:#0046FF;color:#fff}

/* 버튼 */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:54px;padding:0 39px;border-radius:8px;font-size:16px;font-weight:700;white-space:nowrap;transition:transform .25s var(--ease),box-shadow .25s,background-color .3s;overflow:hidden;isolation:isolate}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn-grad{color:#fff;background:linear-gradient(90deg,var(--sky) 0%,var(--violet) 100%);background-size:200% 100%;animation:btn-flow 4s linear infinite}
.btn-grad::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s}
.btn-grad:hover::after{transform:translateX(120%)}
.btn-grad:hover{box-shadow:0 10px 28px rgba(60,100,255,.38)}
@keyframes btn-flow{0%{background-position:0 0}50%{background-position:100% 0}100%{background-position:0 0}}
.btn-line{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.btn-line:hover{box-shadow:inset 0 0 0 1px var(--ink),0 10px 24px rgba(0,0,0,.08)}
.btn-ink{background:#333;color:#fff;height:41px;padding:0 27px;font-size:15px;font-weight:500}
.btn-ink:hover{background:#111}
.btn-lime{background:linear-gradient(90deg,var(--lime1),var(--lime2));color:var(--ink);height:48px;padding:0 28px;font-size:15px}
.btn-lime::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.6) 50%,transparent 70%);transform:translateX(-120%);animation:shine 3.2s ease-in-out infinite}
@keyframes shine{0%,60%{transform:translateX(-120%)}100%{transform:translateX(120%)}}
.btn-lg{height:62px;padding:0 40px;font-size:19px}

/* 헤더 */
.hd{position:fixed;top:0;left:0;right:0;height:72px;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);z-index:50;transition:box-shadow .3s,transform .4s var(--ease)}
.hd.is-scrolled{box-shadow:0 1px 0 rgba(0,0,0,.06)}
.hd.is-hidden{transform:translateY(-100%)}
.hd .wrap{height:100%;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:8px;font-size:21px;font-weight:800;letter-spacing:-.4px;color:var(--blue)}
.logo svg{width:28px;height:28px;transition:transform .5s var(--ease)}
.logo:hover svg{transform:rotate(-12deg) scale(1.08)}
.nav{display:flex;gap:40px;margin:0 auto;font-size:16px;font-weight:600}
.nav a{position:relative;padding:8px 0;color:#222;transition:color .3s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav a:hover{color:var(--blue)}
.nav a:hover::after{transform:scaleX(1)}
.hd-act{display:flex;align-items:center;gap:30px;font-size:15px}
.hd-act .lg:first-child{transition:color .3s}
.hd-act .lg:first-child:hover{color:var(--blue)}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center}
.mnav{position:fixed;inset:72px 0 0;background:#fff;z-index:49;padding:16px 20px;flex-direction:column;gap:4px;display:none}
.mnav.is-open{display:flex}
.mnav a{padding:16px 4px;border-bottom:1px solid #EEE;font-size:18px;font-weight:600;opacity:0;transform:translateY(12px);animation:fade-up .5s var(--ease) forwards}
.mnav a:nth-child(2){animation-delay:.05s}.mnav a:nth-child(3){animation-delay:.1s}.mnav a:nth-child(4){animation-delay:.15s}.mnav a:nth-child(5){animation-delay:.2s}.mnav a:nth-child(6){animation-delay:.25s}.mnav a:nth-child(7){animation-delay:.3s}
.mnav .btn{margin-top:16px}
@keyframes fade-up{to{opacity:1;transform:none}}
@media (max-width:1023px){.nav,.hd-act .lg{display:none}.burger{display:flex}}

/* 히어로 */
.hero{padding:151px 0 0}
.hero-top{display:grid;grid-template-columns:1fr 564px;align-items:end;gap:40px;margin-bottom:58px}
.hero h1{font-size:58px;line-height:1.26;letter-spacing:-1.7px;font-weight:700}
.hero h1 .w{display:inline-block;opacity:0;transform:translateY(28px);animation:fade-up .9s var(--ease) forwards}
.hero-side p{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:24px;opacity:0;animation:fade-up .8s var(--ease) .35s forwards}
.hero-side p b{color:#0A6CFF;font-weight:700}
.hero-side .row{display:flex;gap:8px;opacity:0;animation:fade-up .8s var(--ease) .5s forwards}
.hero-pic{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:1323/422;background:#DDE3EC;opacity:0;animation:fade-up 1s var(--ease) .45s forwards;transform:translateY(40px)}
.hero-pic img{width:100%;height:100%;object-fit:cover;animation:kenburns 18s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1) translate(0,0)}to{transform:scale(1.08) translate(-1.5%,1%)}}
.hero-pic .chat{position:absolute;right:48px;bottom:32px;width:340px;background:#fff;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.25);padding:14px 16px;font-size:14px;line-height:1.5;min-height:180px}
.hero-pic .chat .t{display:flex;justify-content:space-between;font-weight:700;margin-bottom:10px;font-size:13px}
.hero-pic .chat .t span{color:var(--mute);font-weight:500;display:flex;align-items:center;gap:5px}
.hero-pic .chat .t span::before{content:"";width:7px;height:7px;border-radius:4px;background:#15C27A;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.25}}
.hero-pic .chat .b{padding:9px 12px;border-radius:12px;background:#F3F4F6;margin-top:8px;max-width:88%;opacity:0;transform:translateY(8px) scale(.97);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.hero-pic .chat .b.on{opacity:1;transform:none}
.hero-pic .chat .b.me{background:var(--blue);color:#fff;margin-left:auto}
.hero-pic .chat .b.typing{color:var(--mute);letter-spacing:2px}
.hero-pic .chat .b.typing i{display:inline-block;width:6px;height:6px;border-radius:3px;background:#999;margin:0 1px;animation:dots 1s infinite}
.hero-pic .chat .b.typing i:nth-child(2){animation-delay:.15s}.hero-pic .chat .b.typing i:nth-child(3){animation-delay:.3s}
@keyframes dots{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(-4px);opacity:1}}
@media (max-width:1023px){
  .hero{padding-top:104px}
  .hero-top{grid-template-columns:1fr;gap:24px;align-items:start;margin-bottom:32px}
  .hero h1{font-size:36px;letter-spacing:-1px}
  .hero-pic{aspect-ratio:4/3}
  .hero-pic .chat{display:none}
  .hero-side .row{flex-wrap:wrap}
}

/* 섹션 공통 */
.sec{padding:156px 0 0}
.sec.pb{padding-bottom:156px}
.sec.gray{background:var(--bg2)}
.sec-h{text-align:center;margin-bottom:70px;position:relative}
.sec-h h2{font-size:46px;line-height:1.3;letter-spacing:-1.3px;font-weight:800;display:inline-block;position:relative}
.sec-h p{margin-top:18px;font-size:19px;color:#333;line-height:1.6}
.doodle{position:absolute;color:#1C8CFF;pointer-events:none}
.doodle path{stroke-dasharray:300;stroke-dashoffset:300;transition:stroke-dashoffset 1.1s var(--ease) .35s}
.on .doodle path,.doodle.on path{stroke-dashoffset:0}
.ul{position:relative;display:inline-block}
.ul::after{content:"";position:absolute;left:-2px;right:-2px;bottom:-3px;height:8px;border-radius:4px;background:#1C8CFF;opacity:.95;transform:scaleX(0) skewX(-8deg);transform-origin:left;transition:transform .7s var(--ease) .4s}
.on .ul::after,.ul.on::after{transform:scaleX(1) skewX(-8deg)}
@media (max-width:1023px){.sec{padding-top:96px}.sec.pb{padding-bottom:96px}.sec-h{margin-bottom:40px}.sec-h h2{font-size:30px;letter-spacing:-.8px}.sec-h p{font-size:16px}.doodle{display:none}}

/* 등장 */
.rv-in{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv-in.on{opacity:1;transform:none}
.stag > *{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.stag.on > *{opacity:1;transform:none}
.stag.on > :nth-child(1){transition-delay:0s}.stag.on > :nth-child(2){transition-delay:.08s}.stag.on > :nth-child(3){transition-delay:.16s}.stag.on > :nth-child(4){transition-delay:.24s}.stag.on > :nth-child(5){transition-delay:.32s}.stag.on > :nth-child(6){transition-delay:.4s}.stag.on > :nth-child(7){transition-delay:.48s}.stag.on > :nth-child(8){transition-delay:.56s}.stag.on > :nth-child(n+9){transition-delay:.64s}
@media (prefers-reduced-motion:reduce){.rv-in,.stag > *{opacity:1;transform:none;transition:none}.hero h1 .w,.hero-side p,.hero-side .row,.hero-pic{opacity:1;transform:none;animation:none}.hero-pic img,.btn-grad,.btn-lime::after{animation:none}}

/* 가로 레일 (채널) */
.rail{position:relative}
.rail-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:0 calc((100% - 1105px)/2);-webkit-overflow-scrolling:touch;cursor:grab}
.rail-track.is-drag{cursor:grabbing;scroll-snap-type:none}
.rail-track::-webkit-scrollbar{display:none}
.rail-ctl{display:flex;justify-content:flex-end;align-items:center;gap:8px;width:min(var(--w),calc(100% - 40px));margin:24px auto 0}
.rail-ctl .dots{display:flex;gap:6px;margin-right:auto}
.rail-ctl .dots i{width:8px;height:8px;border-radius:4px;background:#DDD;transition:width .3s var(--ease),background .3s}
.rail-ctl .dots i.on{width:24px;background:var(--ink)}
.rail-ctl button{width:40px;height:40px;border-radius:20px;background:#EEE;display:flex;align-items:center;justify-content:center;transition:background .25s,transform .25s}
.rail-ctl button:hover{background:#E0E0E0;transform:scale(1.08)}
.rcard{flex:0 0 1105px;scroll-snap-align:center;height:540px;border-radius:var(--r);overflow:hidden;position:relative;color:#fff;display:grid;grid-template-columns:1fr 1.1fr;isolation:isolate;transform:scale(.96);opacity:.75;transition:transform .6s var(--ease),opacity .6s}
.rcard.is-center{transform:scale(1);opacity:1}
.rcard .txt{padding:52px 48px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;z-index:1}
.rcard .eye{font-size:15px;font-weight:700;opacity:.85;margin-bottom:auto;letter-spacing:.2px}
.rcard h3{font-size:48px;line-height:1.22;letter-spacing:-1.2px;font-weight:800}
.rcard h3 .ul::after{background:#fff;opacity:.95;height:9px}
.rcard.is-center h3 .ul::after{transform:scaleX(1) skewX(-8deg)}
.rcard p{margin-top:16px;font-size:19px;opacity:.92}
.rcard .vis{position:relative;padding:40px 48px 0 0;display:flex;align-items:flex-end;justify-content:flex-end;perspective:1200px}
.rcard .plus{position:absolute;right:40px;bottom:40px;width:44px;height:44px;border-radius:22px;background:rgba(255,255,255,.92);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:300;z-index:2;transition:transform .4s var(--ease),background .3s}
.rcard:hover .plus{transform:rotate(90deg);background:#fff}
.rcard.c-green{background:linear-gradient(180deg,#36F08A,#0BCB64)}
.rcard.c-blue{background:linear-gradient(180deg,#3B7BFF,#0046FF)}
.rcard.c-ink{background:#111}
.rcard.c-violet{background:linear-gradient(180deg,#8E5BFF,#5B2BE0)}
.rcard.c-sun{background:linear-gradient(180deg,#FFD14A,#FF9F1C);color:#111}
.rcard.c-sun .eye{opacity:.7}
.rcard.c-sun h3 .ul::after{background:#111;opacity:.15}
.rcard.c-rose{background:linear-gradient(180deg,#FF6B8B,#E8325D)}
.mock{width:100%;max-width:460px;background:#fff;color:var(--ink);border-radius:16px 16px 0 0;box-shadow:0 30px 60px rgba(0,0,0,.28);padding:18px 20px;font-size:14px;line-height:1.5;min-height:380px;transform:translateY(30px) rotateX(6deg);transition:transform .8s var(--ease)}
.rcard.is-center .mock{transform:translateY(0) rotateX(0)}
.mock .mt{display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:14px;padding-bottom:12px;border-bottom:1px solid #EEE;margin-bottom:12px}
.mock .mt span{font-weight:500;color:var(--mute);font-size:12px}
.mock .bb{padding:10px 13px;border-radius:12px;background:#F3F4F6;margin-top:8px;max-width:90%;opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.rcard.is-center .mock .bb{opacity:1;transform:none}
.rcard.is-center .mock .bb:nth-of-type(1){transition-delay:.3s}.rcard.is-center .mock .bb:nth-of-type(2){transition-delay:.7s}.rcard.is-center .mock .bb:nth-of-type(3){transition-delay:1.1s}.rcard.is-center .mock .bb:nth-of-type(4){transition-delay:1.5s}
.mock .bb.me{background:var(--blue);color:#fff;margin-left:auto}
.mock .bb small{display:block;font-size:11px;color:var(--mute);margin-bottom:2px;font-weight:600}
.mock .sys{text-align:center;font-size:12px;color:var(--mute);margin-top:12px;opacity:0;transition:opacity .5s 1.9s}
.rcard.is-center .mock .sys{opacity:1}
.mock .kv{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #F0F0F0;opacity:0;transform:translateX(-8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.rcard.is-center .mock .kv{opacity:1;transform:none}
.rcard.is-center .mock .kv:nth-of-type(1){transition-delay:.3s}.rcard.is-center .mock .kv:nth-of-type(2){transition-delay:.5s}.rcard.is-center .mock .kv:nth-of-type(3){transition-delay:.7s}.rcard.is-center .mock .kv:nth-of-type(4){transition-delay:.9s}.rcard.is-center .mock .kv:nth-of-type(5){transition-delay:1.1s}
.mock .kv b{font-weight:600;text-align:right}
.mock .tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:#E6EEFF;color:var(--blue)}
@media (max-width:1023px){
  .rail-track{padding:0 20px;gap:12px}
  .rcard{flex:0 0 calc(100% - 8px);height:auto;min-height:460px;grid-template-columns:1fr;transform:none;opacity:1}
  .rcard .txt{padding:28px 24px 8px}
  .rcard h3{font-size:28px;letter-spacing:-.6px}
  .rcard p{font-size:15px}
  .rcard .vis{padding:16px 24px 0}
  .rcard .plus{display:none}
  .mock{max-width:none;min-height:0;transform:none}
  .mock .bb,.mock .kv,.mock .sys{opacity:1;transform:none}
  .rcard h3 .ul::after{transform:scaleX(1) skewX(-8deg)}
}

/* 3열 기능 카드 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.fcard{border-radius:var(--r);background:var(--bg2);min-height:588px;padding:44px 40px 0;position:relative;overflow:hidden;display:flex;flex-direction:column;transition:transform .5s var(--ease),box-shadow .5s}
.fcard:hover{transform:translateY(-8px);box-shadow:0 30px 60px rgba(0,0,0,.1)}
.fcard .eye{font-size:17px;color:#555;margin-bottom:12px}
.fcard h3{font-size:27px;line-height:1.38;letter-spacing:-.6px;font-weight:800}
.fcard h3 .ul::after{height:6px;bottom:-1px}
.fcard.ink{background:#111;color:#fff}
.fcard.ink .eye{color:#aaa}
.fcard.ink .big{color:#1C64FF}
.fcard .big{margin-top:auto;font-size:84px;font-weight:800;letter-spacing:-3.5px;line-height:1;padding-bottom:48px;font-variant-numeric:tabular-nums;position:relative;z-index:1}
.fcard .big small{font-size:22px;letter-spacing:0;font-weight:600;margin-left:6px}
.fcard .dots{position:absolute;left:0;right:0;bottom:0;height:200px;background:radial-gradient(circle,#1C64FF 1.4px,transparent 1.9px) 0 0/11px 11px;mask-image:linear-gradient(180deg,transparent,#000 85%);-webkit-mask-image:linear-gradient(180deg,transparent,#000 85%);animation:dots-move 6s linear infinite}
@keyframes dots-move{to{background-position:0 -22px}}
.fcard .vis{margin-top:auto;position:relative;height:340px}
.fcard .shot{position:absolute;left:0;right:-40px;top:44px;bottom:-24px;background:#fff;border-radius:14px 0 0 0;box-shadow:0 20px 50px rgba(0,0,0,.12);padding:18px 20px;font-size:13px;line-height:1.5;overflow:hidden;transform:translate(24px,24px);transition:transform .7s var(--ease)}
.on .fcard .shot,.fcard.on .shot{transform:none}
.fcard .shot .row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid #F0F0F0;gap:10px;opacity:0;transform:translateX(-10px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.on .fcard .shot .row,.fcard.on .shot .row{opacity:1;transform:none}
.fcard .shot .row:nth-child(1){transition-delay:.3s}.fcard .shot .row:nth-child(2){transition-delay:.45s}.fcard .shot .row:nth-child(3){transition-delay:.6s}.fcard .shot .row:nth-child(4){transition-delay:.75s}.fcard .shot .row:nth-child(5){transition-delay:.9s}.fcard .shot .row:nth-child(6){transition-delay:1.05s}.fcard .shot .row:nth-child(7){transition-delay:1.2s}.fcard .shot .row:nth-child(8){transition-delay:1.35s}
.fcard .shot .row b{font-weight:600}
.fcard .shot .chip{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:#E6EEFF;color:var(--blue);white-space:nowrap}
.fcard .shot .chip.r{background:#FFE8E8;color:#D7263D;animation:pulse 2s infinite}
.fcard .shot .chip.g{background:#E3F8EC;color:#15803D}
.fcard .shot .chip.k{background:#111;color:#fff}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(215,38,61,.35)}50%{box-shadow:0 0 0 6px rgba(215,38,61,0)}}
.fcard .shot .bar{height:8px;border-radius:4px;background:#EEF1F5;margin:6px 0 10px;overflow:hidden}
.fcard .shot .bar i{display:block;height:100%;background:var(--blue);border-radius:4px;width:0 !important;transition:width 1.4s var(--ease) .5s}
.on .fcard .shot .bar i,.fcard.on .shot .bar i{width:var(--w,50%) !important}
.fcard .arrow{position:absolute;left:-6px;top:0;color:#1C8CFF;z-index:2}
.fcard .arrow path{stroke-dasharray:200;stroke-dashoffset:200;transition:stroke-dashoffset 1s var(--ease) .6s}
.on .fcard .arrow path,.fcard.on .arrow path{stroke-dashoffset:0}
@media (max-width:1023px){.grid3{grid-template-columns:1fr;gap:12px}.fcard{min-height:0;padding:28px 24px 0}.fcard h3{font-size:22px}.fcard .big{font-size:60px;padding-bottom:28px}.fcard .vis{height:260px}.fcard .shot{right:-24px;transform:none}.fcard .shot .row{opacity:1;transform:none}.fcard .shot .bar i{width:var(--w,50%) !important}.fcard .arrow path{stroke-dashoffset:0}}

/* C사 비교 */
.vs{display:grid;grid-template-columns:1.1fr 1fr 1fr;border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:inset 0 0 0 1px #E8EAEE}
.vs > div{padding:22px 28px;border-bottom:1px solid #EEF0F3;font-size:16px;line-height:1.55;display:flex;align-items:center}
.vs > div:nth-last-child(-n+3){border-bottom:0}
.vs .hd1,.vs .hd2,.vs .hd3{font-size:15px;font-weight:700;color:var(--mute);background:#FAFBFC;padding:18px 28px}
.vs .hd3{color:#fff;background:var(--blue)}
.vs .k{font-weight:700;color:var(--ink)}
.vs .c{color:#666}
.vs .p{font-weight:600;background:#F3F7FF;position:relative}
.vs .p::before{content:"";flex:0 0 auto;width:20px;height:20px;margin-right:10px;border-radius:10px;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat}
.vs-note{margin-top:16px;font-size:13px;color:var(--mute);text-align:center}
@media (max-width:1023px){.vs{grid-template-columns:1fr}.vs .hd2,.vs .hd3{display:none}.vs > div{border-bottom:0;padding:12px 20px}.vs .k{padding-top:20px;font-size:14px;color:var(--mute);background:#FAFBFC}.vs .c::before{content:"C사";font-size:11px;font-weight:700;color:#999;margin-right:10px;flex:0 0 auto}.vs .p{border-bottom:1px solid #EEF0F3}}

/* 문의 카탈로그 */
.ticker{overflow:hidden;margin:0 0 56px;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.ticker .tk{display:flex;gap:10px;width:max-content;animation:tk 60s linear infinite}
.ticker .tk.r{animation-direction:reverse;animation-duration:70s;margin-top:10px}
.ticker:hover .tk{animation-play-state:paused}
.ticker span{flex:0 0 auto;padding:10px 18px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1px #E8EAEE;font-size:14px;font-weight:600;white-space:nowrap}
.ticker span.h{background:#FFF3E0;box-shadow:inset 0 0 0 1px #FFD9A3}
@keyframes tk{to{transform:translateX(-50%)}}
.cat-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.cat-tabs button{height:44px;padding:0 20px;border-radius:22px;background:#E9EBEF;font-size:15px;font-weight:600;color:#333;transition:background .25s,color .25s,transform .25s}
.cat-tabs button:hover{transform:translateY(-2px)}
.cat-tabs button.is-active{background:#111;color:#fff}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.cat-grid div{background:#fff;border-radius:12px;padding:17px 20px;font-size:15px;font-weight:600;display:flex;align-items:center;gap:10px;box-shadow:inset 0 0 0 1px #E8EAEE;opacity:0;transform:translateY(12px) scale(.97);animation:pop .5s var(--ease) forwards;transition:transform .25s,box-shadow .25s}
.cat-grid div:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.08)}
.cat-grid div::before{content:"";width:8px;height:8px;border-radius:4px;background:var(--blue);flex:0 0 auto}
.cat-grid div.h::before{background:#FF9F1C}
@keyframes pop{to{opacity:1;transform:none}}
.cat-note{margin-top:22px;text-align:center;color:var(--sub);font-size:14px}
.cat-note b{color:var(--ink)}
.cat-note .dot{display:inline-block;width:8px;height:8px;border-radius:4px;background:var(--blue);vertical-align:middle;margin:0 4px 0 10px}
.cat-note .dot.h{background:#FF9F1C}
@media (max-width:1023px){.cat-grid{grid-template-columns:1fr 1fr}.cat-grid div{font-size:14px;padding:12px 14px}.ticker{margin-bottom:36px}}
@media (max-width:520px){.cat-grid{grid-template-columns:1fr}}

/* 기능 전부 */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat{background:#fff;border-radius:16px;padding:30px 28px;min-height:200px;box-shadow:inset 0 0 0 1px #E8EAEE;transition:transform .4s var(--ease),box-shadow .4s}
.feat:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(0,0,0,.08),inset 0 0 0 1px #E8EAEE}
.feat svg{width:30px;height:30px;color:var(--blue);margin-bottom:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .4s var(--ease)}
.feat:hover svg{transform:scale(1.15) rotate(-6deg)}
.feat b{display:block;font-size:17px;font-weight:700;margin-bottom:6px;letter-spacing:-.2px}
.feat p{font-size:14px;color:var(--sub);line-height:1.55}
@media (max-width:1023px){.feat-grid{grid-template-columns:1fr 1fr;gap:10px}}
@media (max-width:520px){.feat-grid{grid-template-columns:1fr}}

/* 데이터(검정) */
.dark{background:#000;color:#fff;padding:117px 0;position:relative;overflow:hidden}
.dark .glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none}
.dark .g1{width:720px;height:720px;left:-10%;top:-30%;background:radial-gradient(circle,#0046FF,transparent 65%);animation:glow1 14s ease-in-out infinite alternate}
.dark .g2{width:620px;height:620px;right:-6%;top:-20%;background:radial-gradient(circle,#8E27FF,transparent 65%);animation:glow2 17s ease-in-out infinite alternate}
.dark .g3{width:560px;height:560px;left:35%;bottom:-50%;background:radial-gradient(circle,#00D1FF,transparent 65%);animation:glow3 12s ease-in-out infinite alternate}
@keyframes glow1{to{transform:translate(18%,22%) scale(1.15)}}
@keyframes glow2{to{transform:translate(-20%,28%) scale(.9)}}
@keyframes glow3{to{transform:translate(-25%,-18%) scale(1.2)}}
.dark .wrap{position:relative}
.dark h2{text-align:center;font-size:46px;line-height:1.3;letter-spacing:-1.3px;font-weight:800;margin-bottom:84px;display:block}
.dark h2 .ul::after{background:#1C8CFF}
.nums{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.nums .n{font-size:58px;font-weight:300;letter-spacing:-.5px;line-height:1;font-variant-numeric:tabular-nums;display:inline-block;position:relative;font-family:"Pretendard Variable",Pretendard,sans-serif}
.nums .n sup{position:absolute;top:-8px;right:-28px;font-size:32px;font-weight:400}
.nums .l{margin-top:22px;font-size:19px;font-weight:600}
.nums .s{margin-top:6px;font-size:13px;color:rgba(255,255,255,.55)}
.odo{display:inline-flex;overflow:hidden;height:1em;line-height:1}
.odo .d{display:inline-block;height:1em;overflow:hidden}
.odo .d i{display:block;font-style:normal;transform:translateY(0);transition:transform 1.6s var(--ease)}
.odo .d i span{display:block;height:1em}
@media (max-width:1023px){.dark{padding:80px 0}.dark h2{font-size:30px;margin-bottom:44px}.nums{grid-template-columns:1fr;gap:40px}.nums .n{font-size:48px}}

/* 후기(시나리오) 슬라이더 */
.rv-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:0 calc((100% - 686px)/2);cursor:grab}
.rv-track.is-drag{cursor:grabbing;scroll-snap-type:none}
.rv-track::-webkit-scrollbar{display:none}
.rv{flex:0 0 686px;scroll-snap-align:center;border-radius:var(--r);background:var(--bg2);padding:16px 16px 40px;transition:background .5s,transform .6s var(--ease);transform:scale(.97)}
.rv.is-active{background:#D6E8FF;transform:scale(1)}
.rv .pic{border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:#C9D2E0;position:relative}
.rv .pic img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.rv:hover .pic img{transform:scale(1.05)}
.rv .pic .q{position:absolute;left:24px;bottom:24px;right:24px;color:#fff;font-size:32px;font-weight:800;line-height:1.28;letter-spacing:-.7px;text-shadow:0 2px 24px rgba(0,0,0,.55)}
.rv .tag{display:inline-block;margin:26px 0 12px 24px;font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;background:linear-gradient(90deg,#15C27A,#1C8CFF);color:#fff}
.rv h3{padding:0 24px;font-size:25px;font-weight:700;line-height:1.4;letter-spacing:-.25px}
.rv p{padding:10px 24px 0;font-size:14px;color:var(--sub)}
@media (max-width:1023px){.rv-track{padding:0 20px;gap:12px}.rv{flex:0 0 calc(100% - 8px);transform:none;padding:12px 12px 28px}.rv .pic .q{font-size:22px}.rv h3{font-size:19px;padding:0 12px}.rv .tag{margin-left:12px}.rv p{padding:8px 12px 0}}

/* 콜라주 + CTA */
.collage-sec{position:relative;overflow:hidden}
.collage{display:grid;grid-template-columns:250px 270px 350px 270px 250px;grid-template-rows:210px 210px;gap:22px;justify-content:center;align-items:center;margin-bottom:104px;mask-image:linear-gradient(180deg,rgba(0,0,0,.35),#000 40%,#000 70%,rgba(0,0,0,.3));-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.35),#000 40%,#000 70%,rgba(0,0,0,.3))}
.collage div{border-radius:14px;overflow:hidden;background:#C9D2E0;height:100%;will-change:transform}
.collage img{width:100%;height:100%;object-fit:cover}
.collage .tall{grid-row:1/3;height:100%}
.collage .mid{grid-row:1/3;height:500px;align-self:center}
.cta-h{text-align:center}
.cta-h h2{font-size:52px;line-height:1.3;letter-spacing:-1.5px;font-weight:800}
.cta-h h2 b{color:#0A6CFF;position:relative}
.cta-h h2 b::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:4px;border-radius:2px;background:#1C8CFF;transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease) .5s}
.on .cta-h h2 b::after,.cta-h.on h2 b::after{transform:scaleX(1)}
.cta-h .row{display:flex;justify-content:center;gap:10px;margin-top:44px}
@media (max-width:1023px){.collage{grid-template-columns:1fr 1fr;grid-template-rows:auto;gap:10px;margin-bottom:56px}.collage div,.collage .tall,.collage .mid{grid-row:auto;height:160px}.collage .hide-m{display:none}.cta-h h2{font-size:30px}.cta-h .row{flex-direction:column;align-items:center}}

/* 요금 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plan{border-radius:var(--r);background:#fff;box-shadow:inset 0 0 0 1px #E8EAEE;padding:40px 36px;display:flex;flex-direction:column;position:relative;transition:transform .5s var(--ease),box-shadow .5s}
.plan:hover{transform:translateY(-8px);box-shadow:0 30px 60px rgba(0,0,0,.1),inset 0 0 0 1px #E8EAEE}
.plan.main{box-shadow:inset 0 0 0 2px var(--blue)}
.plan.main:hover{box-shadow:0 30px 60px rgba(0,70,255,.15),inset 0 0 0 2px var(--blue)}
.plan .badge{position:absolute;top:-15px;left:36px;background:linear-gradient(90deg,var(--lime1),var(--lime2));font-size:12px;font-weight:800;padding:7px 14px;border-radius:999px}
.plan .nm{font-size:21px;font-weight:800;color:var(--blue)}
.plan .for{margin-top:6px;font-size:14px;color:var(--sub);min-height:44px}
.plan .pr{margin-top:24px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.plan .pr .was{font-size:18px;color:var(--mute);text-decoration:line-through;font-weight:500}
.plan .pr .now{font-size:38px;font-weight:800;letter-spacing:-1.2px}
.plan .pr .now small{font-size:15px;font-weight:500;color:var(--sub);letter-spacing:0}
.plan .setup{margin-top:8px;font-size:15px;color:#333}
.plan .setup .was{color:var(--mute);text-decoration:line-through;margin-right:6px}
.plan .setup b{color:var(--blue)}
.plan ul{margin:26px 0;padding-top:26px;border-top:1px solid #EEE;display:flex;flex-direction:column;gap:12px;font-size:15px}
.plan li{display:flex;gap:8px;align-items:flex-start}
.plan li::before{content:"";flex:0 0 auto;width:18px;height:18px;margin-top:3px;border-radius:9px;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat}
.plan .btn{margin-top:auto;height:52px}
.promo-box{margin:0 0 44px;border-radius:var(--r);background:#111;color:#fff;padding:40px 44px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;position:relative;overflow:hidden}
.promo-box::before{content:"";position:absolute;width:520px;height:520px;right:-120px;top:-260px;border-radius:50%;background:radial-gradient(circle,rgba(0,70,255,.6),transparent 65%);filter:blur(30px);animation:glow2 10s ease-in-out infinite alternate}
.promo-box > *{position:relative}
.promo-box .k{font-size:13px;font-weight:700;color:var(--lime1);letter-spacing:.3px}
.promo-box h3{font-size:32px;font-weight:800;letter-spacing:-.9px;line-height:1.3;margin-top:8px}
.promo-box p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72)}
.promo-box .cnt{text-align:right}
.promo-box .cnt b{display:block;font-size:44px;font-weight:800;letter-spacing:-1.2px;line-height:1;font-variant-numeric:tabular-nums}
.promo-box .cnt > span{font-size:13px;color:rgba(255,255,255,.6)}
.cd{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.cd div{min-width:64px;padding:10px 8px;border-radius:10px;background:rgba(255,255,255,.08);text-align:center}
.cd b{display:block;font-size:26px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.cd span{display:block;margin-top:5px;font-size:11px;color:rgba(255,255,255,.55)}
.plans-note{margin-top:22px;text-align:center;font-size:14px;color:var(--sub)}
.plans-note a{color:var(--blue);font-weight:700}
@media (max-width:1023px){.plans{grid-template-columns:1fr;gap:12px}.plan .for{min-height:0}.promo-box{grid-template-columns:1fr;padding:28px 24px}.promo-box h3{font-size:24px}.promo-box .cnt{text-align:left}.cd{justify-content:flex-start}}

/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq details{border-bottom:1px solid #E6E6E6}
.faq summary{list-style:none;cursor:pointer;padding:26px 44px 26px 0;font-size:19px;font-weight:700;position:relative;transition:color .25s}
.faq summary:hover{color:var(--blue)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:32px;width:10px;height:10px;border-right:2px solid #333;border-bottom:2px solid #333;transform:rotate(45deg);transition:transform .3s var(--ease),top .3s}
.faq details[open] summary::after{transform:rotate(225deg);top:38px}
.faq .a{padding:0 0 28px;font-size:16px;color:#444;line-height:1.75;animation:fade-up .4s var(--ease)}
@media (max-width:1023px){.faq summary{font-size:16px;padding:18px 32px 18px 0}}

/* 상담 신청 */
.lead{max-width:900px;margin:0 auto;background:var(--bg2);border-radius:var(--r);padding:52px}
.lead .g{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.lead .full{grid-column:1/-1}
.lead label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.lead label i{color:var(--blue);font-style:normal}
.lead input,.lead select,.lead textarea{width:100%;height:52px;border-radius:10px;border:1px solid #DDD;background:#fff;padding:0 14px;font:inherit;font-size:15px;transition:border-color .2s,box-shadow .2s}
.lead textarea{height:124px;padding:12px 14px;resize:vertical}
.lead input:focus,.lead select:focus,.lead textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,70,255,.12)}
.lead .chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#444}
.lead .chk input{width:18px;height:18px;margin-top:2px}
.lead .chk a{color:var(--blue);text-decoration:underline}
.lead .err{color:#D7263D;font-size:14px}
.lead-done{max-width:900px;margin:0 auto;border-radius:var(--r);background:#111;color:#fff;padding:60px 48px;text-align:center;animation:pop .6s var(--ease)}
.lead-done h3{font-size:32px;font-weight:800}
.lead-done p{margin-top:14px;color:rgba(255,255,255,.75);font-size:16px;line-height:1.7}
.lead-done b{color:var(--lime1)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
@media (max-width:1023px){.lead{padding:28px 20px}.lead .g{grid-template-columns:1fr}}

/* 에필로그 — 스크롤하면 작은 카드가 화면 가득 커진다 */
.epi{position:relative;height:240vh;background:#fff}
.epi .stick{position:sticky;top:0;height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.epi .box{position:relative;width:300px;height:470px;border-radius:var(--r);overflow:hidden;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;will-change:width,height,border-radius}
.epi img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 1.2s var(--ease)}
.epi .box.is-full img{transform:scale(1)}
.epi .box::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.12) 0%,rgba(0,0,0,.42) 60%,rgba(0,0,0,.55) 100%)}
.epi .in{position:relative;z-index:2;padding:0 20px;opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.epi .box.is-full .in{opacity:1;transform:none}
.epi h2{font-size:52px;font-weight:800;letter-spacing:-1.5px;text-shadow:0 2px 30px rgba(0,0,0,.5)}
.epi p{margin-top:22px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.92)}
.epi .row{display:flex;justify-content:center;gap:10px;margin-top:44px}
@media (max-width:1023px){.epi{height:auto;background:#111}.epi .stick{position:static;height:520px}.epi .box{width:100% !important;height:100% !important;border-radius:0 !important}.epi .in{opacity:1;transform:none}.epi h2{font-size:30px}.epi .row{flex-direction:column;align-items:center}}

/* 푸터 */
.ft{background:linear-gradient(180deg,#FFFFFF 0%,#F2F7FF 35%,#DCEBFF 100%);padding:88px 0 40px}
.ft-top{display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:24px}
.ft-col b{display:block;font-size:17px;font-weight:700;margin-bottom:14px}
.ft-col a{display:block;font-size:16px;color:#333;padding:7px 0;transition:color .25s,transform .25s}
.ft-col a:hover{color:var(--blue);transform:translateX(3px)}
.ft-bot{margin-top:120px;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;font-size:15px;color:#333}
.ft-bot .tel{font-size:18px;font-weight:800;color:var(--ink)}
.ft-bot .tel span{font-size:15px;font-weight:500;color:#555;margin-left:8px}
.ft-bot p{margin-top:8px;line-height:1.7}
.ft-legal{margin-top:36px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:#555}
.ft-legal a{font-weight:700;color:var(--ink);margin-left:20px}
@media (max-width:1023px){.ft{padding:56px 0 32px}.ft-top{grid-template-columns:1fr 1fr}.ft-top .ft-logo{grid-column:1/-1}.ft-bot{margin-top:56px}}

/* 플로팅 혜택 바 */
.float{position:fixed;left:50%;bottom:20px;transform:translateX(-50%) translateY(140%);width:700px;max-width:calc(100% - 100px);height:84px;background:#fff;border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.18),0 0 0 1px rgba(0,0,0,.06);display:flex;align-items:center;gap:16px;padding:0 20px 0 28px;z-index:40;font-size:15px;font-weight:700;white-space:nowrap;transition:transform .7s var(--ease)}
.float.is-in{transform:translateX(-50%) translateY(0)}
.float .x{margin-left:auto;width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:#999;font-size:22px;font-weight:300;transition:transform .3s}
.float .x:hover{transform:rotate(90deg);color:#333}
.float.is-hidden{display:none}
@media (max-width:1023px){.float{width:auto;left:12px;right:12px;transform:translateY(140%);max-width:none;height:auto;padding:14px 16px 12px;font-size:14px;gap:10px;bottom:12px;white-space:normal;flex-wrap:wrap}.float.is-in{transform:none}.float > span{flex:1 1 auto;padding-right:34px;line-height:1.4}.float .btn-lime{flex:1 1 100%;height:44px;padding:0 14px;font-size:14px}.float .x{position:absolute;right:6px;top:6px;margin:0}}

/* 채팅 FAB */
.fab{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:28px;background:var(--blue);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.18);z-index:41;transition:bottom .5s var(--ease),transform .3s var(--ease)}
.fab::before{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(0,70,255,.45);animation:fab-ring 2.4s ease-out infinite}
@keyframes fab-ring{to{box-shadow:0 0 0 18px rgba(0,70,255,0)}}
.fab:hover{transform:scale(1.08)}
.fab.lift{bottom:120px}
@media (max-width:1023px){.fab.lift{bottom:88px}}

/* 커서 따라오는 스포트 */
.spot{position:fixed;left:0;top:0;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(0,70,255,.07),transparent 65%);pointer-events:none;z-index:1;transform:translate(-50%,-50%);transition:opacity .4s;opacity:0}
@media (hover:none){.spot{display:none}}