@charset "UTF-8";
@font-face{font-family:Pretendard;src:url("fonts/Pretendard-Regular.woff") format("woff");font-style:normal;font-weight:100 500;font-display:swap}
@font-face{font-family:Pretendard;src:url("fonts/Pretendard-Bold.woff") format("woff");font-style:normal;font-weight:600 900;font-display:swap}
:root{--accent:#ff5400;--ink:#0a0b0f;--white:#fff;--fade:750ms;--header-gap:32px;font-family:Pretendard,Arial,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--white);background:var(--ink);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:132px}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button{border:0;background:none}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:6px}.skip-link{position:fixed;z-index:100;top:0;left:24px;transform:translateY(-120%);padding:16px;background:white;color:#111}.skip-link:focus{transform:translateY(0)}.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.th-header{position:fixed;z-index:30;inset:16px var(--header-gap) auto;min-height:98px;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid #ffffff10;border-radius:20px;background:#ffffff13;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);transition:background .3s,border-color .3s,box-shadow .3s}.th-header.is-scrolled{background:#111319ed;border-color:#ffffff15;box-shadow:0 12px 40px #0002}.th-logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;line-height:.88;letter-spacing:-1px;font-size:25px;font-weight:900}.th-mark{color:var(--accent);flex-shrink:0}.th-nav{display:flex;gap:32px;align-items:center}.th-nav a{font-size:18px;font-weight:400;position:relative;padding:12px 0}.th-nav a:after{content:"";position:absolute;top:3px;right:-13px;width:12px;height:12px;box-sizing:border-box;border:3px solid #d42027;border-radius:50%;background:transparent;opacity:0;transform:translate(-3px,3px) scale(.7);pointer-events:none;transition:opacity .18s,transform .18s}.th-nav a:hover:after,.th-nav a:focus-visible:after{opacity:1;transform:translate(0,0) scale(1)}.header-actions{display:flex;align-items:center;gap:25px}.contact-button{display:flex;gap:20px;align-items:center;justify-content:center;background:var(--accent);padding:17px 20px;border-radius:7px;font-size:14px;font-weight:700;transition:background .2s,transform .2s}.contact-button:hover{background:#e94d00;transform:translateY(-2px)}.menu-button,.close-button{width:34px;height:40px;position:relative;flex-shrink:0}.menu-button span,.close-button span{position:absolute;height:2px;right:4px;width:24px;background:currentColor}.menu-button span:first-child{top:14px}.menu-button span:last-child{top:24px;width:16px}.menu-button:hover span:last-child{width:24px}.close-button span{top:19px;transform:rotate(45deg)}.close-button span:last-child{transform:rotate(-45deg)}
.th-menu{position:fixed;inset:0;width:100%;height:100dvh;max-width:none;max-height:none;border:0;margin:0;padding:30px 4%;color:white;background:#0a0d14d9;overflow-y:auto}.th-menu::backdrop{background:#05070b60;backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px)}.menu-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:65px}.menu-links a{display:flex;align-items:center;gap:30px;padding:26px 0;border-bottom:1px solid #ffffff25}.menu-links a>span:first-child{font-size:clamp(28px,4.3vw,64px);font-weight:800;letter-spacing:-2px;transition:transform .2s,color .2s}.menu-links small{font-size:13px;color:#a6a9b1;margin-left:auto}.menu-links a>span[aria-hidden="true"]{font-size:30px;margin-left:35px}.menu-links a:hover>span:first-child{color:var(--accent);transform:translateX(9px)}.menu-note{font-size:10px;letter-spacing:2px;color:#8d909b;margin-top:30px}
.th-hero{height:100svh;min-height:700px;max-height:1200px;position:relative;isolation:isolate;overflow:hidden;touch-action:pan-y;background:#090c14}.slides,.slide{position:absolute;inset:0}.slide{opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--fade),visibility var(--fade);overflow:hidden}.slide.is-active{opacity:1;visibility:visible;pointer-events:auto;z-index:1}.slide-art,.slide-shade,.slide-media{position:absolute;inset:0}.slide-media{width:100%;height:100%;object-fit:cover;z-index:2}.slide-shade{z-index:3;background:linear-gradient(90deg,#03050acc 0%,#060a1440 65%,#0001),linear-gradient(0deg,#02040b9c,transparent 40%)}.slide-copy{position:relative;z-index:4;padding:0 5%;top:48%;transform:translateY(-50%);width:100%;max-width:1400px}.slide h1,.slide h2{font-size:clamp(44px,5.4vw,86px);line-height:1.18;letter-spacing:-4px;margin:0 0 28px;font-weight:800;word-break:keep-all}.slide-description{font-size:17px;line-height:1.9;color:#cacbd4;margin:0}.slide-link{margin-top:40px;display:inline-flex;align-items:center;gap:48px;border:1px solid #ffffff25;border-radius:7px;background:#ffffff12;padding:17px 21px;font-weight:700;font-size:13px;transition:background .2s}.slide-link:hover{background:#ffffff25}.slide-copy>*{opacity:0;transform:translateY(22px);transition:opacity .6s,transform .6s}.is-active .slide-copy>*{opacity:1;transform:translateY(0);transition-delay:.15s}.is-active .slide-copy>h1,.is-active .slide-copy>h2{transition-delay:.22s}.is-active .slide-copy>.slide-description{transition-delay:.29s}.is-active .slide-copy>.slide-link{transition-delay:.36s}.play-button{font-size:13px;width:24px;height:32px;padding:0}
.art-one{background:radial-gradient(ellipse at 73% 38%,#263f7670,transparent 50%),linear-gradient(120deg,#070a11,#0a1831 60%,#091323)}.art-grid{position:absolute;inset:0;background-image:linear-gradient(#ffffff06 1px,transparent 1px),linear-gradient(90deg,#ffffff06 1px,transparent 1px);background-size:75px 75px;mask-image:linear-gradient(90deg,transparent 10%,black);opacity:.6}.orbit{position:absolute;left:55%;top:13%;width:560px;height:560px;border-radius:50%;border:1px solid #98b0ff55;transform:rotate(-30deg) scaleY(.65);box-shadow:inset 0 0 50px #759fff18,0 0 80px #3256b515}.orbit-two{top:19%;left:52%;width:630px;height:630px;transform:rotate(40deg) scaleY(.8);border-color:#acb4d726}.art-h{position:absolute;right:13%;top:18%;font-size:clamp(320px,45vw,680px);font-weight:900;line-height:1;background:linear-gradient(135deg,#d4e2ff,#687caa 25%,#171c2c 48%,#c5d8ff 55%,#283551 70%,#778aa6);-webkit-background-clip:text;background-clip:text;color:transparent;transform:perspective(800px) rotateY(-28deg) rotateZ(15deg);text-shadow:8px 20px 70px #0c1b4e22;opacity:.7}.art-two{background:radial-gradient(ellipse at 78% 62%,#46405555,transparent 45%),#09090d}.ribbon{position:absolute;right:10%;top:-20%;width:250px;height:140%;border-radius:110px;transform:rotate(35deg);background:linear-gradient(90deg,#151420,#625777 12%,#9c8fb866 25%,#1b192b 40%,#566470 65%,#847393 78%,#282231);box-shadow:20px 30px 70px #0009;border:1px solid #b3a4de25}.ribbon-two{right:28%;top:-5%;width:180px;transform:rotate(35deg) translateY(10%);filter:hue-rotate(30deg)}.ribbon-three{right:-10%;width:200px;filter:hue-rotate(-40deg)}.art-three{background:radial-gradient(ellipse at 72% 48%,#552d254d,transparent 50%),linear-gradient(110deg,#08090c,#1a151b)}.portal{position:absolute;top:12%;left:56%;width:380px;height:520px;border:2px solid #bcb2ac4d;box-shadow:4px 0 28px #ff945a22,inset 8px 0 35px #fcb98c0a;transform:perspective(1000px) rotateY(-30deg) rotateZ(13deg);border-radius:160px 160px 12px 12px}.portal-two{top:17%;left:61%;border-color:#f5ae7866}.portal-three{top:22%;left:66%;border-color:#bd8d7e55}.portal-four{top:27%;left:71%;border-color:#b9a9a555}
footer{padding:90px 6% 30px;background:#0c0e12}
@media(min-width:1700px){.slide-copy{padding-left:7%}.th-header{padding-left:40px;padding-right:40px}}
@media(max-width:1100px){.th-nav{gap:20px}.th-nav a{font-size:16px}.th-logo{font-size:22px}.th-header{gap:20px}.header-actions{gap:18px}.contact-button{font-size:12px;gap:12px;padding:15px}.slide h1,.slide h2{letter-spacing:-2px}}
@media(max-width:900px){:root{--header-gap:20px}.th-nav{display:none}.th-header{min-height:82px;padding:15px 23px}.th-hero{min-height:650px}.slide-copy{top:47%;padding:0 6%}.orbit{left:35%}.orbit-two{left:34%}.art-h{right:0;top:22%}.portal{left:45%}.portal-two{left:51%}.portal-three{left:57%}.portal-four{left:63%}.menu-top{margin-bottom:42px}.menu-links a{padding:26px 0}}
@media(max-width:560px){:root{--header-gap:12px}.th-header{top:12px;min-height:72px;border-radius:14px;padding:13px 16px;gap:10px}.th-logo{font-size:18px;gap:5px}.th-mark{width:27px;height:27px}.header-actions{gap:13px}.contact-button{padding:12px;font-size:11px;gap:0}.contact-button span{display:none}.menu-button{width:27px}.th-hero{min-height:650px;max-height:none}.slide-copy{top:45%;padding:0 25px}.slide h1,.slide h2{font-size:clamp(34px,8.5vw,48px);line-height:1.28;letter-spacing:-1.8px;margin-bottom:22px}.slide-description{font-size:13px}.slide-link{font-size:11px;margin-top:28px;padding:14px 16px;gap:24px}.slide-shade{background:linear-gradient(90deg,#03050ab8,#03050a40),linear-gradient(0deg,#02040b9c,transparent 50%)}.art-h{font-size:400px;right:-19%;top:20%;opacity:.5}.orbit{left:3%;top:18%;width:470px;height:470px}.orbit-two{left:-10%;width:580px;height:580px}.ribbon-one{right:2%;width:180px}.ribbon-two{right:38%;width:140px}.ribbon-three{right:-42%}.portal{left:23%;width:270px;height:440px;top:19%;opacity:.6}.portal-two{left:34%;top:23%}.portal-three{left:45%;top:27%}.portal-four{left:56%;top:31%}.th-menu{padding:24px}.menu-top{margin-bottom:42px}.menu-links a{gap:15px;padding:27px 0}.menu-links a>span:first-child{font-size:32px;letter-spacing:-1px}.menu-links small{display:none}.menu-links a>span[aria-hidden="true"]{margin-left:auto;font-size:23px}.work-strip,footer{padding:65px 25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.slide-copy>*{transform:none}.orbit,.portal,.ribbon{will-change:auto}}

/* 2026-10-28: requested header/hero-only refinement */
.header-logo{display:block;width:86px;height:34px;object-fit:contain}
.hero-logo-slot{width:220px;height:56px;margin:0 0 28px}
.slide-link{background:var(--accent);border:1px solid var(--accent);margin-top:64px;min-width:160px;justify-content:center;font-size:15px;padding:18px 25px}
.slide-link:hover{background:#e94d00;border-color:#e94d00}
.play-button{position:absolute;z-index:7;bottom:27px;left:50%;transform:translateX(-50%);display:grid;place-items:center;width:46px;height:46px;padding:6px;color:#fff;border-radius:50%;background:transparent}
.play-button:hover{background:#ffffff12}
.stop-icon{display:block;width:34px;height:34px;filter:brightness(0) invert(1);object-fit:contain}
.resume-icon{display:none;width:34px;height:34px}
.play-button.is-stopped .stop-icon{display:none}
.play-button.is-stopped .resume-icon{display:block}
@media(max-width:560px){.header-logo{width:76px;height:auto}.hero-logo-slot{width:170px;height:44px;margin-bottom:22px}.slide-link{margin-top:48px;min-width:145px;padding:16px 22px;font-size:14px}.play-button{bottom:23px;width:44px;height:44px}.stop-icon,.resume-icon{width:30px;height:30px}}
/* Background-only dim: content and controls stay on higher layers. */
.th-hero .slide-shade{background:rgba(0,0,0,.65);pointer-events:none;z-index:3}

/* Text buttons have no decorative icons; menu/replay controls remain. */
.menu-links a>span:first-child{margin-left:0}.menu-links small{margin-left:auto}

/* Restored slide navigation; only its pause icon has changed. */
.hero-bottom{position:absolute;z-index:7;bottom:27px;left:50%;transform:translateX(-50%)}
.slider-controls{display:flex;align-items:center;gap:14px;padding:5px 9px;background:#ffffff14;border:1px solid #ffffff10;border-radius:7px;backdrop-filter:blur(12px)}
.arrow{font-size:27px;width:29px;height:32px;line-height:26px;padding:0}
.pagination{display:flex;align-items:center;gap:9px;min-width:70px;justify-content:center}
.pagination button{width:7px;height:7px;background:#ffffff65;border-radius:20px;padding:0;position:relative;transition:width .3s,background .3s}
.pagination button:before{content:"";position:absolute;inset:-12px -7px}
.pagination button[aria-current="true"]{width:32px;background:#fff}
.control-divider{width:1px;height:14px;background:#ffffff25}
.slider-controls .play-button{position:static;transform:none;display:grid;place-items:center;width:32px;height:32px;padding:3px;border-radius:50%;background:transparent}
.slider-controls .stop-icon,.slider-controls .resume-icon{width:26px;height:26px}
@media(max-width:560px){.hero-bottom{bottom:25px}.slider-controls{gap:11px}.slider-controls .stop-icon,.slider-controls .resume-icon{width:24px;height:24px}}
/* Requested text sizing. */
.slide-description{font-size:22px;line-height:1.7}
.slide-link,.contact-button{font-size:19px}
/* First slide: background video and paired text-only actions. */
.slide-media{pointer-events:none}
.slide-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:64px}
.slide-actions .slide-link{margin-top:0}
.slide-actions .project-link{background:rgba(0,0,0,.18);border-color:rgba(255,255,255,.65)}
.slide-actions .project-link:hover{background:rgba(255,255,255,.15);border-color:#fff}
.is-active .slide-copy>.slide-actions{transition-delay:.36s}
.slide-one .slide-description{word-break:keep-all}
.slide-one .slide-description{color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.55)}
.slide-two .slide-description,.slide-three .slide-description{word-break:keep-all;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.55)}
/* Crossfade the full scene; copy follows the scene without a vertical entrance. */
.slide{transition:opacity var(--fade) ease,visibility var(--fade)}
.slide-copy>*{transform:none;transition:none}
.is-active .slide-copy>*{transform:none;transition:none}
@media(max-width:560px){
 .slide .slide-copy{top:110px;transform:none;padding-bottom:40px}
 .slide .hero-logo-slot{height:26px;margin-bottom:18px}
 .slide .slide-description br{display:none}
 .slide-actions{margin-top:36px;gap:10px}
 .slide-actions .slide-link{min-width:0;padding:16px 18px}
 .th-hero:has(.slide-one){min-height:800px}
}
.slide .hero-logo-slot{width:auto;height:56px;display:flex;align-items:center;gap:13px}
.hero-logo-slot img{display:block;object-fit:contain;flex-shrink:0}
.opschatbot-logo span{font-size:32px;font-weight:700;letter-spacing:-1.5px;color:#fff}
.gukdae-logo{width:auto;height:56px}
.highops-logo{width:240px;height:auto;filter:url(#highops-on-dark)}
@media(max-width:560px){
 .slide .hero-logo-slot{height:48px;margin-bottom:18px;gap:10px}
 .opschatbot-logo img{width:38px;height:38px}
 .opschatbot-logo span{font-size:27px}
 .gukdae-logo{height:48px;width:auto}
 .highops-logo{width:200px}
}
/* Main headlines and pill-shaped actions. */
.slide h1,.slide h2{font-weight:400;line-height:1.25}
.headline-first{font-weight:400}
.headline-second{font-weight:700}
.slide-actions .slide-link{border-radius:999px;padding:18px 30px;min-height:62px;font-weight:400}
@media(max-width:560px){.slide-actions .slide-link{padding:15px 23px;min-height:56px}}
.th-header{transition:background .3s,border-color .3s,box-shadow .3s,min-height .3s,padding .3s,border-radius .3s}
.th-header .contact-button{transition:background .2s,transform .2s,font-size .3s,padding .3s}
.th-header.is-scrolled{min-height:70px;padding:10px 28px;border-radius:14px}
.th-header.is-scrolled .contact-button{font-size:15px;padding:11px 17px}
@media(max-width:900px){.th-header.is-scrolled{min-height:64px;padding:8px 23px}}
@media(max-width:560px){.th-header.is-scrolled{min-height:58px;padding:7px 16px;border-radius:12px}.th-header.is-scrolled .contact-button{font-size:14px;padding:9px 12px}}
.th-header{transition:background .3s,border-color .3s,box-shadow .3s,min-height .3s,padding .3s,border-radius .3s,opacity .25s,transform .25s}
.th-header.is-scroll-hidden{opacity:0;transform:translateY(-130%);pointer-events:none}
/* Let the tallest slide determine the hero's height, so short screens can scroll through all copy. */
.th-hero,.th-hero:has(.slide-one){height:auto;min-height:100dvh;max-height:none}
.th-hero .slides{position:relative;inset:auto;display:grid;min-height:100dvh}
.th-hero .slide{position:relative;inset:auto;grid-area:1 / 1;display:flex;align-items:center;min-width:0;padding:145px 0 70px}
.th-hero .slide .slide-copy{top:auto;transform:none;padding-top:0;padding-bottom:0}
@media(max-width:560px){.th-hero .slide{padding:110px 0 45px}}