@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Noto+Sans+KR:wght@400;500;600;700&display=swap');
:root{--navy:#071b29;--cyan:#2bc5d5;--paper:#f4f7f6;--ink:#102936;--muted:#637982;--line:#d9e4e5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,'Noto Sans KR',sans-serif;background:var(--paper);word-break:keep-all}a{color:inherit;text-decoration:none}.shell{width:min(1180px,calc(100% - 48px));margin:auto}.hero{min-height:760px;color:#eefbfc;background:radial-gradient(circle at 76% 45%,rgba(43,197,213,.14),transparent 26%),linear-gradient(118deg,#061a28,#0a2637 70%,#0b3f4a);position:relative;overflow:hidden}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:70px 70px;mask-image:linear-gradient(to right,transparent 15%,#000 65%);pointer-events:none}.site-header{height:82px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.13);position:relative;z-index:3}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand img{width:43px;height:43px;object-fit:contain}.brand span{display:flex;flex-direction:column}.brand strong{font-size:19px;letter-spacing:.16em}.brand small{font-size:7px;color:#88aab6;letter-spacing:.17em;margin-top:4px}.site-header nav{display:flex;gap:28px;margin-right:34px}.site-header nav a{font-size:13px;color:#adc0c7}.site-header nav a:hover{color:#fff}.header-cta{font-size:12px;border:1px solid rgba(255,255,255,.35);padding:11px 14px;border-radius:3px}.header-cta span{color:var(--cyan);margin-left:7px}.hero-grid{min-height:610px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:40px;position:relative;z-index:2}.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--cyan);font-weight:600;display:flex;align-items:center;gap:10px}.eyebrow span{width:26px;height:2px;background:currentColor}.eyebrow.dark{color:#1598a9}.hero h1{font-size:clamp(44px,5.4vw,69px);line-height:1.12;letter-spacing:-.055em;margin:20px 0 24px;font-weight:500}.hero h1 em{color:var(--cyan);font-style:normal}.hero-description{max-width:570px;color:#a9c0c8;font-size:16px;line-height:1.8}.hero-actions{display:flex;gap:12px;margin-top:34px}.button{display:inline-flex;align-items:center;gap:32px;padding:14px 18px;border:1px solid rgba(255,255,255,.3);font-size:13px;border-radius:3px}.button.primary{background:var(--cyan);border-color:var(--cyan);color:#06222d;font-weight:600}.energy-visual{height:440px;position:relative;display:grid;place-items:center;perspective:800px}.energy-visual:after{content:'';position:absolute;width:430px;height:170px;background:repeating-linear-gradient(0deg,transparent 0 25px,rgba(43,197,213,.16) 26px),repeating-linear-gradient(90deg,transparent 0 25px,rgba(43,197,213,.16) 26px);transform:rotateX(65deg) rotateZ(-8deg);border:1px solid rgba(43,197,213,.22)}.building-model{width:180px;height:210px;position:relative;z-index:2;transform:rotateY(-18deg);filter:drop-shadow(0 0 18px rgba(43,197,213,.24))}.face{position:absolute;border:1.5px solid var(--cyan);background:rgba(43,197,213,.04);display:grid;gap:12px;padding:22px 19px}.front{inset:30px 28px 10px 0;grid-template-columns:repeat(2,1fr)}.side{width:55px;right:0;top:45px;bottom:24px;transform:skewY(-27deg);grid-template-columns:1fr;padding:18px 15px}.face b{border:1px solid rgba(43,197,213,.6);background:rgba(43,197,213,.08)}.roof{position:absolute;width:158px;height:75px;top:1px;left:12px;border:1.5px solid var(--cyan);transform:skewY(-24deg) rotate(17deg);background:rgba(43,197,213,.05)}.scan-line{position:absolute;height:2px;background:#8effee;left:-10px;right:10px;top:45%;box-shadow:0 0 13px #55e6d2}.orbit{position:absolute;border:1px solid rgba(43,197,213,.22);border-radius:50%}.orbit-one{width:360px;height:360px}.orbit-two{width:285px;height:285px}.orbit i{width:7px;height:7px;border-radius:50%;background:var(--cyan);position:absolute;box-shadow:0 0 10px var(--cyan)}.orbit-one i{right:36px;top:63px}.orbit-two i{left:8px;bottom:80px}.data-label{position:absolute;color:#6f9ead;font-size:8px;line-height:1.6;letter-spacing:.11em;border-left:1px solid var(--cyan);padding-left:8px}.data-label b{color:#d5f4f6}.label-a{right:8px;top:92px}.label-b{left:12px;bottom:75px}.hero-foot{position:absolute;left:50%;bottom:0;transform:translateX(-50%);height:68px;border-top:1px solid rgba(255,255,255,.11);display:flex;align-items:center;gap:15px;color:#668d9b;font-size:8px;letter-spacing:.15em;z-index:3}.hero-foot i{width:65px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}.section{padding-top:110px;padding-bottom:110px}.intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:9%}.section-heading h2,.algorithm-heading h2,.education h2,.viewer-banner h2{font-size:clamp(34px,4vw,50px);line-height:1.28;letter-spacing:-.045em;font-weight:500;margin:18px 0}.intro-copy{padding-top:33px}.intro-copy .lead{font-size:21px;line-height:1.65;color:#1b3d4b;margin:0 0 22px}.intro-copy>p:not(.lead){color:var(--muted);line-height:1.85}.facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin:36px 0 0;padding-top:25px;gap:15px}.facts div{display:flex;flex-direction:column;gap:10px}.facts dt{color:#179cad;font-size:12px;font-weight:600}.facts dd{margin:0;font-size:13px;color:#445f69}.algorithms{background:var(--navy);color:#edf9fa}.algorithm-heading{display:flex;justify-content:space-between;gap:50px;align-items:flex-end}.algorithm-heading>p{max-width:480px;color:#91abb4;line-height:1.8;font-size:14px;margin-bottom:25px}.module-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.14);margin-top:46px}.module{padding:32px 24px 30px 0;border-right:1px solid rgba(255,255,255,.12);min-height:305px;position:relative}.module:not(:first-child){padding-left:24px}.module:last-child{border:0}.module>span{font-size:11px;color:var(--cyan)}.module-icon{height:64px;margin:22px 0;display:flex;align-items:center;gap:7px}.module-icon i{display:block;border:1px solid var(--cyan)}.icon-01 i{width:18px;height:42px;border-radius:9px}.icon-01 i:nth-child(2){height:58px}.icon-02 i{width:3px;height:52px;background:var(--cyan);transform:rotate(28deg);transform-origin:bottom}.icon-02 i:nth-child(2){transform:rotate(148deg)}.icon-02 i:nth-child(3){transform:rotate(268deg)}.icon-03 i{width:42px;height:16px;transform:skewX(-25deg);margin-right:-35px}.icon-04 i{width:38px;height:38px;border-radius:50%;margin-right:-24px}.module h3{font-size:20px;font-weight:500;margin:0 0 14px}.module p{color:#8ca6b0;font-size:13px;line-height:1.75}.module>b{position:absolute;bottom:25px;color:#456b78;font-size:8px;letter-spacing:.16em}.education{display:grid;grid-template-columns:.85fr 1.15fr;gap:10%;align-items:start}.education-title>p:not(.eyebrow){color:var(--muted);line-height:1.8;margin:24px 0}.education-title>a{color:#138e9e;font-size:13px;border-bottom:1px solid #9bcfd4;padding-bottom:5px}.education-title>a span{margin-left:18px}.practice-list{list-style:none;margin:0;padding:0;border-top:1px solid #bfcfd2}.practice-list li{display:grid;grid-template-columns:80px 1fr 20px;gap:18px;padding:24px 4px;border-bottom:1px solid var(--line);align-items:center}.practice-list>li>span{font-size:10px;color:#1598a9;font-weight:600}.practice-list h3{font-size:18px;margin:0 0 8px;font-weight:500}.practice-list p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}.practice-list>li>b{color:#1598a9}.viewer-banner{background:linear-gradient(115deg,#082130,#0b3642);color:#effcfd;overflow:hidden}.viewer-inner{height:435px;display:grid;grid-template-columns:1fr 170px 1.1fr;gap:50px;align-items:center}.viewer-banner p:not(.eyebrow){color:#91abb4;line-height:1.8;max-width:450px}.round-link{width:142px;height:142px;border-radius:50%;border:1px solid var(--cyan);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--cyan);gap:12px;z-index:3}.round-link span{font-size:10px;letter-spacing:.12em}.round-link b{font-size:19px}.round-link:hover{background:var(--cyan);color:#08212d}.wire-building{height:300px;position:relative;transform:skewY(-8deg)}.wire-building:before,.wire-building:after,.wire-building i{content:'';position:absolute;border:1px solid rgba(43,197,213,.52)}.wire-building:before{inset:30px 25px 10px}.wire-building:after{inset:70px 65px 10px;transform:translateX(50px)}.wire-building i:nth-child(1){left:25px;right:25px;top:115px}.wire-building i:nth-child(2){left:25px;right:25px;top:200px}.wire-building i:nth-child(3){top:30px;bottom:10px;left:34%}.wire-building i:nth-child(4){top:30px;bottom:10px;left:67%}.wire-building i:nth-child(5){inset:0;background:repeating-linear-gradient(0deg,transparent 0 29px,rgba(43,197,213,.08) 30px)}footer{background:#061722;color:#839ba5}.footer-top{padding:55px 0;display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;border-bottom:1px solid #18313d}.footer-brand{color:#edfafa}.footer-top>p{font-size:12px;line-height:1.8}.footer-links{display:flex;gap:22px;justify-content:flex-end;font-size:11px}.copyright{height:62px;display:flex;justify-content:space-between;align-items:center;font-size:8px;letter-spacing:.1em}
@media(max-width:900px){.site-header nav{display:none}.hero-grid{grid-template-columns:1fr}.hero-copy{padding-top:70px}.energy-visual{height:330px;transform:scale(.85);margin-top:-20px}.hero{min-height:900px}.intro,.education{grid-template-columns:1fr}.intro-copy{padding-top:0}.module-grid{grid-template-columns:repeat(2,1fr)}.algorithm-heading{display:block}.viewer-inner{grid-template-columns:1fr 130px}.wire-building{display:none}.footer-top{grid-template-columns:1fr 1fr}.footer-links{display:none}}
@media(max-width:600px){.shell{width:calc(100% - 32px)}.site-header{height:70px}.brand img{width:36px;height:36px}.header-cta{font-size:0}.header-cta span{font-size:15px;margin:0}.hero{min-height:860px}.hero-grid{min-height:720px}.hero h1{font-size:42px}.hero-description{font-size:14px}.energy-visual{height:280px;transform:scale(.72);margin:-25px -70px 0}.section{padding:75px 0}.facts{grid-template-columns:1fr}.facts div{flex-direction:row}.module-grid{grid-template-columns:1fr}.module,.module:not(:first-child){padding:28px 0;border-right:0;border-top:1px solid rgba(255,255,255,.12);min-height:270px}.education{gap:45px}.practice-list li{grid-template-columns:60px 1fr}.practice-list>li>b{display:none}.viewer-inner{padding:75px 0;display:block}.round-link{margin-top:40px;width:120px;height:120px}.footer-top{grid-template-columns:1fr}.footer-top>p{margin-top:20px}.copyright a{display:none}}

/* Meaningful line icons for the four core capabilities */
.module-icon{position:relative;width:80px;height:68px;display:block;margin:20px 0 24px;color:var(--cyan)}
.module-icon i{position:absolute;display:block;border-color:currentColor;background:transparent}
.icon-01:before{content:'';position:absolute;left:13px;top:3px;width:42px;height:57px;border:1.5px solid currentColor;border-radius:2px}
.icon-01:after{content:'';position:absolute;left:43px;top:3px;width:12px;height:12px;border-left:1.5px solid currentColor;border-bottom:1.5px solid currentColor;background:var(--navy)}
.icon-01 i{left:22px!important;width:24px!important;height:1px!important;border:0!important;background:currentColor!important;border-radius:0!important}
.icon-01 i:nth-child(1){top:24px}.icon-01 i:nth-child(2){top:33px}.icon-01 i:nth-child(3){top:42px;width:15px!important}
.icon-02:before{content:'';position:absolute;left:34px;top:26px;width:11px;height:11px;border:1.5px solid currentColor;border-radius:50%;box-shadow:-27px -18px 0 -1px var(--navy),-27px -18px 0 0 currentColor,27px -18px 0 -1px var(--navy),27px -18px 0 0 currentColor,-27px 22px 0 -1px var(--navy),-27px 22px 0 0 currentColor,27px 22px 0 -1px var(--navy),27px 22px 0 0 currentColor}
.icon-02:after{content:'';position:absolute;left:13px;top:12px;width:53px;height:44px;background:linear-gradient(34deg,transparent 48.7%,currentColor 49%,currentColor 51%,transparent 51.3%),linear-gradient(-34deg,transparent 48.7%,currentColor 49%,currentColor 51%,transparent 51.3%);opacity:.9}
.icon-02 i{display:none}
.icon-03{perspective:120px}
.icon-03 i{width:27px!important;height:27px!important;border:1.5px solid currentColor!important;transform:rotate(30deg) skewY(-30deg) scaleY(.86)!important;margin:0!important}
.icon-03 i:nth-child(1){left:8px;top:27px}.icon-03 i:nth-child(2){left:31px;top:14px}.icon-03 i:nth-child(3){left:54px;top:27px}
.icon-04:before{content:'';position:absolute;left:6px;top:7px;width:49px;height:51px;border-left:1.5px solid currentColor;border-bottom:1.5px solid currentColor}
.icon-04:after{content:'';position:absolute;left:48px;top:7px;width:22px;height:22px;border:1.5px solid currentColor;border-radius:50%;box-shadow:13px 19px 0 -10px currentColor;transform:rotate(-3deg)}
.icon-04 i{bottom:12px!important;width:8px!important;border:0!important;border-radius:1px 1px 0 0!important;background:currentColor!important;margin:0!important}
.icon-04 i:nth-child(1){left:16px;height:17px!important}.icon-04 i:nth-child(2){left:29px;height:30px!important}.icon-04 i:nth-child(3){left:42px;height:40px!important}

/* Technical workshop */
.seminar{background:linear-gradient(135deg,#eaf3f3 0%,#f7f9f8 64%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.seminar-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:9%;align-items:start}
.seminar-heading h2{font-size:clamp(34px,4vw,50px);line-height:1.28;letter-spacing:-.045em;font-weight:500;margin:18px 0}
.seminar-heading>p:last-child{max-width:490px;color:var(--muted);line-height:1.8}
.seminar-details{border-top:1px solid #b9cdcf}
.seminar-details article{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:25px 4px;border-bottom:1px solid var(--line)}
.seminar-details article>span{font-size:11px;color:#1598a9;font-weight:600;padding-top:4px}
.seminar-details h3{font-size:18px;font-weight:500;margin:0 0 8px}.seminar-details p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
@media(max-width:900px){.seminar-grid{grid-template-columns:1fr;gap:40px}}
.seminar-page{min-height:100vh;background:radial-gradient(circle at 76% 42%,rgba(43,197,213,.13),transparent 27%),linear-gradient(118deg,#061a28,#0a3340);color:#eefbfc}
.seminar-page .site-header{border-bottom-color:rgba(255,255,255,.13)}
.seminar-empty{min-height:calc(100vh - 82px);display:flex;flex-direction:column;justify-content:center;padding-bottom:8vh}
.seminar-empty h1{font-size:clamp(44px,6vw,76px);line-height:1.12;letter-spacing:-.055em;font-weight:500;margin:20px 0 24px}.seminar-empty h1 em{font-style:normal;color:var(--cyan)}.seminar-empty>p:last-child{color:#a9c0c8;line-height:1.8}

/* Actual ZEROFIX viewer as a product window */
.viewer-banner{background:radial-gradient(circle at 72% 48%,rgba(43,197,213,.12),transparent 30%),linear-gradient(115deg,#071e2c,#0a3440);overflow:hidden}
.viewer-inner{position:relative;grid-template-columns:.78fr 125px 1.35fr;gap:34px}
.viewer-inner:before{content:'';position:absolute;right:5%;top:7%;width:39%;height:86%;border:1px solid rgba(43,197,213,.12);border-radius:50%;box-shadow:0 0 0 55px rgba(43,197,213,.035),0 0 0 110px rgba(43,197,213,.02);pointer-events:none}
.viewer-inner:after{content:none}
.viewer-inner>div:first-child{position:relative;z-index:3;text-shadow:0 2px 18px rgba(0,0,0,.45)}
.viewer-window{position:relative;z-index:2;width:100%;border:1px solid rgba(110,220,231,.42);border-radius:9px;overflow:hidden;background:#f7fafc;box-shadow:0 30px 70px rgba(0,0,0,.42),0 0 32px rgba(43,197,213,.10);transform:perspective(1100px) rotateY(-5deg) rotateX(1deg);transform-origin:center right}
.viewer-window-bar{height:29px;display:flex;align-items:center;padding:0 11px;background:#0c2635;border-bottom:1px solid rgba(255,255,255,.12);color:#7194a1}
.viewer-window-bar span{display:flex;gap:5px}.viewer-window-bar i{display:block;width:6px;height:6px;border-radius:50%;background:#365969}.viewer-window-bar i:first-child{background:var(--cyan)}
.viewer-window-bar b{position:absolute;left:50%;transform:translateX(-50%);font-size:7px;letter-spacing:.13em;font-weight:500}
.viewer-window-screen{aspect-ratio:1132/659;background:url('./img/viewer-preview.png') center/cover no-repeat}
.round-link{z-index:4;box-shadow:0 0 0 12px rgba(7,31,45,.42)}
.wire-building{display:none}
@media(max-width:900px){.viewer-inner{grid-template-columns:1fr 120px;padding:70px 0;height:auto}.viewer-window{grid-column:1/-1;margin-top:12px;transform:none}.viewer-inner:before{right:16%;top:34%;width:54%;height:55%}}
@media(max-width:600px){.viewer-inner{display:block}.viewer-window{margin-top:34px;border-radius:6px}.viewer-window-bar{height:24px}.viewer-inner:before{display:none}.round-link{margin-top:30px}}

/* Core platform section photography */
.algorithms{background-color:#071b29;background-image:linear-gradient(90deg,rgba(5,23,35,.78) 0%,rgba(5,23,35,.58) 46%,rgba(5,23,35,.32) 100%),linear-gradient(0deg,rgba(5,23,35,.64) 0%,rgba(5,23,35,.08) 62%),url('./img/section-3.png');background-size:cover;background-position:center center;background-repeat:no-repeat}
.algorithm-heading h2,.module h3{text-shadow:0 2px 14px rgba(0,0,0,.32)}
@media(max-width:700px){.algorithms{background-position:36% center;background-image:linear-gradient(rgba(5,23,35,.76),rgba(5,23,35,.68)),url('./img/section-3.png')}}

/* Hero photography */
.hero{background:#061a28}
.hero:before{content:'';position:absolute;inset:0;background-image:url('./img/hero-building.png');background-size:cover;background-position:center center;z-index:0}
.hero:after{background:linear-gradient(90deg,rgba(4,20,31,.97) 0%,rgba(4,20,31,.92) 36%,rgba(4,20,31,.52) 60%,rgba(5,27,39,.18) 100%),linear-gradient(0deg,rgba(5,24,35,.58),transparent 48%),linear-gradient(rgba(43,197,213,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(43,197,213,.035) 1px,transparent 1px);background-size:auto,auto,70px 70px,70px 70px;mask-image:none;z-index:1}
.energy-visual{opacity:0;pointer-events:none}
.hero-copy{max-width:690px;text-shadow:0 2px 22px rgba(0,0,0,.38)}
.hero-description{color:#c0d5dc}
@media(max-width:900px){.hero:before{background-position:62% center}.hero:after{background:linear-gradient(90deg,rgba(4,20,31,.96),rgba(4,20,31,.72)),linear-gradient(0deg,rgba(5,24,35,.62),transparent)}.energy-visual{height:210px}}
@media(max-width:600px){.hero:before{background-position:66% center}.hero:after{background:linear-gradient(90deg,rgba(4,20,31,.96),rgba(4,20,31,.75)),linear-gradient(0deg,rgba(5,24,35,.72),transparent)}.energy-visual{height:170px;margin:0}}

/* Three-column core platform grid */
.module-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.module,.module:not(:first-child){padding:32px 30px 30px}
.module:first-child{padding-left:0}
.module:last-child{padding-right:0;border-right:0}
@media(max-width:700px){.module-grid{grid-template-columns:1fr}.module,.module:not(:first-child){padding:28px 0;border-right:0;border-top:1px solid rgba(255,255,255,.12)}}

/* Keep the ABOUT headline as a clean two-line title. */
.intro {
  grid-template-columns: 1fr 1fr;
  gap: 7%;
  min-height: 760px;
  align-content: center;
  align-items: center;
  padding-top: 110px;
  padding-bottom: 110px;
}

/* Expand the ZEROFIX EXPERIENCE section to 1.5x its original height. */
.viewer-inner {
  height: 653px;
}

/* Standalone navigation retained after removing the large hero. */
.top-header {
  color: #eefbfc;
  background: #061a28;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(3, 13, 20, 0.18);
}

.site-header nav a.is-active {
  color: #ff8a3d;
}

/* Download section */
.download-section {
  position: relative;
  overflow: hidden;
  background: #eef4f3;
}

.download-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(7, 27, 41, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(7, 27, 41, .035) 1px, transparent 1px);
  background-size: 70px 70px;
  pointer-events: none;
}

.download-inner {
  position: relative;
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 7%;
  align-items: center;
}

.download-copy h2:not(.section-menu-title) {
  margin: 18px 0 20px;
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.28;
  letter-spacing: -.045em;
  font-weight: 500;
}

.download-copy > p:last-child {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.download-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.download-card {
  min-height: 245px;
  padding: 27px;
  border: 1px solid #d4e0e1;
  border-radius: 6px;
  background: rgba(255, 255, 255, .82);
  display: flex;
  flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background-color .22s ease;
}

.download-card:hover,
.download-card:focus-visible {
  transform: translateY(-8px) scale(1.012);
  border-color: var(--cyan);
  box-shadow: 0 28px 58px rgba(8, 40, 52, .22), 0 0 0 1px rgba(43, 197, 213, .22);
  outline: none;
}

.download-program {
  color: #edfafa;
  border-color: #0a3440;
  background: linear-gradient(145deg, #071b29, #0b3c48);
  box-shadow: 0 20px 45px rgba(7, 27, 41, .16);
}

.download-program:hover,
.download-program:focus-visible {
  border-color: var(--cyan);
  background: linear-gradient(145deg, #09283a, #0c4a57);
  box-shadow: 0 30px 62px rgba(4, 28, 40, .34), 0 0 0 1px rgba(43, 197, 213, .34);
}

.download-manual:hover,
.download-manual:focus-visible {
  background: #fff;
}

.download-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.download-label {
  color: #1699aa;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
}

.download-program .download-label {
  color: var(--cyan);
}

.download-icon {
  width: 38px;
  height: 38px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #1598a9;
  font-size: 18px;
  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.download-program .download-icon {
  color: var(--cyan);
}

.download-feature-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  display: block;
  color: #1598a9;
  transition: color .2s ease, transform .2s ease;
}

.download-program .download-feature-icon {
  color: var(--cyan);
}

.download-feature-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.download-card:hover .download-icon,
.download-card:focus-visible .download-icon {
  color: #fff;
  background: #1598a9;
  transform: translateY(-2px);
}

.download-program:hover .download-icon,
.download-program:focus-visible .download-icon {
  color: #08212d;
  background: var(--cyan);
}

.download-card:hover .download-feature-icon,
.download-card:focus-visible .download-feature-icon {
  color: var(--cyan);
  transform: scale(1.2);
}

.download-card strong {
  font-size: 18px;
  font-weight: 500;
}

.download-card p {
  margin: 10px 0 0;
  color: #6b8088;
  font-size: 12px;
  line-height: 1.6;
}

.download-program p {
  color: #91abb4;
}

.download-meta {
  margin-top: auto;
  padding-top: 22px;
  color: #789098;
  font-size: 10px;
  letter-spacing: .08em;
}

.download-program .download-meta {
  color: #7095a1;
}

@media (max-width: 900px) {
  .download-inner {
    grid-template-columns: 1fr;
    gap: 45px;
  }
}

@media (max-width: 600px) {
  .download-actions {
    grid-template-columns: 1fr;
  }

  .download-card {
    min-height: 215px;
  }
}


#about,
#algorithm,
#education,
#resources,
#download {
  scroll-margin-top: 82px;
}

.section-heading .about-section-title {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.about-section-title + .eyebrow {
  margin-top: 0;
}

.algorithm-heading .section-menu-title,
.education .section-menu-title,
.viewer-banner .section-menu-title {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.section-menu-title + .eyebrow {
  margin-top: 0;
}

.intro {
  position: relative;
  isolation: isolate;
}

.intro::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0 calc(50% - 50vw);
  background:
    radial-gradient(circle at 82% 28%, rgba(43, 197, 213, 0.1), transparent 30%),
    radial-gradient(circle at 12% 88%, rgba(34, 101, 145, 0.07), transparent 34%),
    linear-gradient(rgba(16, 78, 96, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 78, 96, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, #f6f9f8 0%, #eef5f4 52%, #f4f7f6 100%);
  background-size: auto, auto, 48px 48px, 48px 48px, auto;
  pointer-events: none;
}

.algorithms {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(circle at 82% 18%, rgba(43, 197, 213, 0.18), transparent 34%),
    radial-gradient(circle at 14% 88%, rgba(33, 91, 143, 0.2), transparent 38%),
    linear-gradient(135deg, #051621 0%, #082b38 52%, #071b29 100%);
}

.algorithms::before {
  content: '';
  position: absolute;
  z-index: 0;
  inset: 0;
  background: url('./img/iso-52016-icon-v2-contrast.png?v=2') left center / clamp(300px, 42vw, 560px) auto no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

.algorithms > .shell {
  position: relative;
  z-index: 1;
}

.analysis-workflow-image {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 30px;
  object-fit: contain;
}

.about-screen-grid {
  position: relative;
  width: min(100%, 450px);
  height: 242px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(7, 27, 41, 0.12);
}

.about-screen-slide {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0;
  transform: scale(1.015);
  transition: opacity 280ms ease, transform 360ms ease;
}

.about-screen-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.screen-arrow {
  position: absolute;
  z-index: 2;
  top: 50%;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  color: #fff;
  background: rgba(5, 28, 41, 0.52);
  box-shadow: 0 6px 18px rgba(3, 18, 28, 0.24);
  backdrop-filter: blur(5px);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 180ms ease, background 180ms ease;
}

.screen-arrow-prev {
  left: 12px;
  padding-right: 2px;
}

.screen-arrow-next {
  right: 12px;
  padding-left: 2px;
}

.about-screen-grid:hover .screen-arrow,
.about-screen-grid:focus-within .screen-arrow {
  opacity: 0.72;
}

.screen-arrow:hover,
.screen-arrow:focus-visible {
  opacity: 1 !important;
  background: rgba(5, 28, 41, 0.8);
  border-color: rgba(255, 255, 255, 0.85);
  outline: none;
}

@media (hover: none) {
  .about-screen-grid .screen-arrow {
    opacity: 0.5;
  }
}

.intro .about-title {
  font-size: clamp(28px, 3.4vw, 44px);
}

.intro .about-title span {
  display: block;
  white-space: nowrap;
}

.intro .about-title span:first-child {
  color: #ff8a3d;
}

.intro-copy > p:last-child {
  margin-bottom: 0;
}

.intro-copy .intro-detail {
  width: 100%;
  margin-top: 24px;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: normal;
  text-align: justify;
  text-justify: inter-character;
  text-align-last: left;
}

.intro-copy .lead > span {
  display: block;
  white-space: nowrap;
}

.intro-copy .lead {
  font-size: 21px;
  letter-spacing: -0.04em;
}

@media (max-width: 900px) {
  .intro-copy .lead > span {
    white-space: normal;
  }
}

.intro-detail span {
  display: inline;
  white-space: normal;
}

.intro .intro-copy {
  padding-top: 0;
  align-self: center;
}

@media (max-width: 900px) {
  .intro .intro-copy {
    padding-top: 0;
  }
}

.about-links {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.about-more {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 23px 2px;
  border-bottom: 1px solid var(--line);
}

.about-more > span:first-child {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-more small {
  color: #1598a9;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.about-more strong {
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
}

.about-more-action {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #138e9e;
  font-size: 12px;
  font-weight: 600;
}

.about-more-action b {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid #9bcfd4;
  border-radius: 50%;
  font-size: 16px;
  transition: 180ms ease;
}

.about-more:hover .about-more-action b {
  color: #fff;
  border-color: #1598a9;
  background: #1598a9;
  transform: translateX(3px);
}

@media (max-width: 900px) {
  .intro {
    grid-template-columns: 1fr;
    min-height: auto;
  }
}

@media (max-width: 600px) {
  .about-links {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 34px;
  }

  .about-more {
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
  }

  .about-more strong {
    font-size: 15px;
  }

  .about-more-action {
    font-size: 0;
  }
}

@media (max-width: 420px) {
  .intro .about-title {
    font-size: 27px;
    letter-spacing: -0.055em;
  }
}

/* Short, two-line CORE TECHNOLOGY headline. */
.algorithm-heading .technology-title span,
.algorithm-heading .technology-title em {
  display: block;
  white-space: nowrap;
}

.algorithm-heading .technology-title {
  font-size: clamp(30px, 3.5vw, 44px);
}

.algorithm-heading .technology-title em {
  color: var(--cyan);
  font-style: normal;
}

/* Footer partner logos */
.footer-top {
  padding-top: 35px;
  padding-bottom: 35px;
  border-bottom: 0;
}

.copyright {
  height: 48px;
  letter-spacing: 0.18em;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.footer-identity {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  width: 100%;
  gap: 0;
  grid-column: 1 / -1;
}

.footer-identity .footer-brand {
  margin-right: 0;
  justify-self: center;
}

.partner-logos {
  display: contents;
}

.partner-logos > img,
.partner-logos > a {
  justify-self: center;
}

.partner-logos > a {
  display: block;
}

.partner-logos img {
  display: block;
  width: 220px;
  height: 48px;
  object-fit: contain;
  object-position: left center;
}

.footer-info {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 18px 0 16px;
  border-bottom: 0;
  color: #6f8993;
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.06em;
  text-align: left;
}

.footer-contact {
  position: static;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.footer-contact span {
  color: #3e5b65;
}

.footer-info a {
  transition: color 160ms ease;
  white-space: nowrap;
}

.footer-info a:hover {
  color: var(--cyan);
}

@media (max-width: 600px) {
  .footer-identity {
    grid-template-columns: 1fr;
    row-gap: 24px;
  }

  .partner-logos img {
    width: min(190px, calc(50vw - 30px));
    height: 42px;
  }

  .footer-info {
    display: flex;
    flex-direction: column;
    grid-template-columns: 1fr;
    gap: 12px;
    font-size: 10px;
    text-align: center;
  }

  .footer-contact {
    position: static;
    flex-wrap: wrap;
    justify-content: center;
  }

  .copyright {
    justify-content: center;
  }
}
