/* PROWELL — style.css
   구조: tokens → base → header → hero → section 공통 → 각 섹션 → footer → 반응형 */

:root {
  --ink: #0a1220;
  --ink-2: #111c30;
  --navy: #0a1f4d;
  --blue: #0b5cad;
  --signal: #21b4ec;
  --paper: #ffffff;
  --tint: #f3f5f8;
  --text: #1a2333;
  --mute: #5d6878;
  --line: #dfe4eb;
  --line-dark: rgba(255, 255, 255, .14);
  --sans: "Pretendard Variable", Pretendard, "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  --wrap: 1240px;
  --pad: clamp(20px, 4vw, 48px);
  --sec: clamp(72px, 10vw, 140px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); color: var(--text); background: var(--paper); line-height: 1.7; word-break: keep-all; overflow-wrap: anywhere; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--pad) * 2); margin: 0 auto; padding: 0 var(--pad); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.skip { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--signal); color: #000; padding: 10px 16px; }
.skip:focus { top: 12px; }
.mono, .tag { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.tag { color: var(--blue); font-weight: 600; margin-bottom: 20px; }
.sec--dark .tag, .hero .tag { color: var(--signal); }
mark { background: #fff2c2; color: #6b4a00; font-size: .85em; padding: 1px 6px; border-radius: 3px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 28px; font-weight: 600; font-size: 15px; border: 1px solid transparent; transition: background .25s, color .25s, border-color .25s, transform .25s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn--solid { background: var(--signal); color: #04121f; }
.btn--solid:hover { background: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, .4); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.btn--line { border-color: var(--text); }
.btn--line:hover { background: var(--text); color: #fff; }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- header ---------- */
.header { position: fixed; inset: 0 0 auto 0; z-index: 100; color: #fff; transition: background .3s, box-shadow .3s, color .3s; }
.header__in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; letter-spacing: .12em; }
.brand img { width: 30px; height: auto; filter: brightness(0) invert(1); transition: filter .3s; }
.nav { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 34px); font-size: 13px; font-weight: 600; letter-spacing: .1em; }
.nav a { position: relative; padding: 8px 0; opacity: .82; transition: opacity .2s; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav a:hover, .nav a.on { opacity: 1; }
.nav a:hover::after, .nav a.on::after { transform: scaleX(1); }
.nav .nav__cta { border: 1px solid currentColor; padding: 8px 18px; opacity: 1; }
.nav .nav__cta::after { display: none; }
.header.solid { background: rgba(255, 255, 255, .94); backdrop-filter: blur(12px); color: var(--ink); box-shadow: 0 1px 0 var(--line); }
.header.solid .brand img { filter: none; }
.burger { display: none; width: 44px; height: 44px; position: relative; }
.burger i { position: absolute; left: 10px; right: 10px; height: 2px; background: currentColor; transition: transform .3s, opacity .3s, top .3s; }
.burger i:nth-child(1) { top: 14px; } .burger i:nth-child(2) { top: 21px; } .burger i:nth-child(3) { top: 28px; }
.burger[aria-expanded="true"] i:nth-child(1) { top: 21px; transform: rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; background: var(--ink); color: #fff; overflow: hidden; isolation: isolate; }
.hero__media { position: absolute; inset: -6% 0; width: 100%; height: 112%; object-fit: cover; z-index: -3; }
.hero__shade { position: absolute; inset: 0; z-index: -2; background:
  linear-gradient(90deg, rgba(6, 12, 24, .94) 0%, rgba(6, 12, 24, .78) 45%, rgba(6, 12, 24, .35) 100%),
  linear-gradient(0deg, rgba(6, 12, 24, 1) 0%, rgba(6, 12, 24, .96) 22%, transparent 50%); }
.hero__shade::after { content: ""; position: absolute; inset: 0; 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: 80px 80px; mask-image: linear-gradient(90deg, #000, transparent 75%); -webkit-mask-image: linear-gradient(90deg, #000, transparent 75%); }
.hero__flow { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 55%; z-index: -1; fill: none; stroke: var(--signal); stroke-width: 1; opacity: .5; }
.hero__flow path { stroke-dasharray: 6 14; animation: flow 14s linear infinite; }
.hero__flow path:nth-child(2) { animation-duration: 19s; opacity: .6; }
.hero__flow path:nth-child(3) { animation-duration: 25s; opacity: .35; }
@keyframes flow { to { stroke-dashoffset: -400; } }
.hero__in { padding-top: 140px; padding-bottom: clamp(40px, 6vw, 80px); }
.hero__title { font-size: clamp(38px, 7.4vw, 104px); font-weight: 800; line-height: 1.02; letter-spacing: -.035em; }
.hero__title span { display: block; }
.hero__title em { font-style: normal; color: var(--signal); }
.hero__lead { max-width: 620px; margin-top: 32px; font-size: clamp(16px, 1.5vw, 19px); color: #c5cedb; }
.hero__lead strong { color: #fff; font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.hero__stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.hero__stats > div { padding: 26px 24px 34px 0; }
.hero__stats > div + div { padding-left: 24px; border-left: 1px solid var(--line-dark); }
.hero__stats dt { font-size: 13px; color: #96a3b6; }
.hero__stats dd { margin-top: 6px; white-space: nowrap; }
.hero__stats b { font-size: clamp(30px, 3.6vw, 50px); font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.hero__stats span { margin-left: 6px; font-size: 14px; color: #c5cedb; }

/* ---------- sections ---------- */
.sec { padding: var(--sec) 0; }
.sec--tint { background: var(--tint); }
.sec--dark { background: var(--ink); color: #e8edf4; }
.sec__head { max-width: 860px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec__head h2 { font-size: clamp(28px, 4.2vw, 54px); font-weight: 800; line-height: 1.22; letter-spacing: -.03em; color: var(--ink); }
.sec--dark .sec__head h2 { color: #fff; }
.sec__desc { margin-top: 20px; font-size: 17px; color: var(--mute); max-width: 680px; }
.sec--dark .sec__desc { color: #9daabd; }

/* company */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 96px); }
.about__text p + p { margin-top: 18px; color: var(--mute); }
.about__text .big { font-size: clamp(19px, 2vw, 25px); line-height: 1.6; font-weight: 500; color: var(--ink); }
.about__text .big strong { color: var(--blue); }
.facts { border-top: 2px solid var(--ink); }
.facts > div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.facts dt { color: var(--mute); }
.facts dd { font-weight: 500; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: clamp(56px, 8vw, 110px); border-top: 1px solid var(--line); }
.values__title { grid-column: 1 / -1; padding: 28px 0; font-size: clamp(22px, 3vw, 38px); font-weight: 800; letter-spacing: -.02em; color: var(--ink); display: flex; flex-direction: column; gap: 8px; }
.values__title .mono { color: var(--blue); }
.value { padding: 32px 32px 40px 0; border-top: 1px solid var(--line); }
.value + .value { padding-left: 32px; border-left: 1px solid var(--line); }
.value .mono { color: var(--blue); }
.value h3 { font-size: 22px; margin: 16px 0 8px; color: var(--ink); }
.value p { color: var(--mute); font-size: 15px; }

/* solution */
.tabs { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.tabs button { position: relative; text-align: left; padding: 22px 16px 22px 0; font-size: 15px; font-weight: 600; color: #8492a6; display: flex; flex-direction: column; gap: 8px; transition: color .25s; }
.tabs button .mono { font-size: 11px; }
.tabs button::after { content: ""; position: absolute; left: 0; right: 16px; bottom: -1px; height: 2px; background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.tabs button:hover { color: #fff; }
.tabs button[aria-selected="true"] { color: #fff; }
.tabs button[aria-selected="true"]::after { transform: scaleX(1); }
.sol { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(28px, 5vw, 72px); margin-top: clamp(32px, 5vw, 64px); animation: fade .5s var(--ease); }
.sol[hidden] { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(12px); } }
.sol__img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--ink-2); align-self: start; position: sticky; top: 96px; }
.sol__img img { width: 100%; height: 100%; object-fit: cover; }
/* 사진을 자르지 않고 원본 비율 그대로 표시 */
.sol__img--fit { aspect-ratio: auto; }
.sol__img--fit img { height: auto; }
.ph { width: 100%; height: 100%; display: flex; flex-direction: column; gap: 10px; align-items: center; justify-content: center; text-align: center; color: #7f8da3; font-size: 15px; background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(255, 255, 255, .03) 14px 15px); border: 1px dashed rgba(255, 255, 255, .22); }
.sol__body h3 { font-size: clamp(24px, 3vw, 36px); font-weight: 800; letter-spacing: -.02em; color: #fff; line-height: 1.3; }
.sol__body h3 small { display: block; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .14em; color: var(--signal); margin-top: 8px; text-transform: uppercase; }
.sol__sum { margin-top: 14px; color: #9daabd; }
.flow { margin-top: 32px; border-top: 1px solid var(--line-dark); }
.flow > div { display: grid; grid-template-columns: 96px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line-dark); }
.flow dt { font-size: 13px; font-weight: 700; color: var(--signal); padding-top: 3px; }
.flow dd { font-size: 15.5px; color: #d5dce6; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pills li { font-size: 13px; padding: 5px 12px; border: 1px solid rgba(255, 255, 255, .24); color: #fff; }
.proof { margin-top: 28px; display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; font-size: 14px; color: #9daabd; }
.proof b { font-size: 26px; font-weight: 800; color: #fff; letter-spacing: -.02em; }

/* products */
.feature { display: grid; grid-template-columns: 1.1fr 1fr; background: var(--ink); color: #dfe6ef; }
.feature__body { padding: clamp(28px, 5vw, 64px); }
.feature .mono { color: var(--signal); }
.feature h3 { font-size: clamp(34px, 5vw, 64px); font-weight: 800; letter-spacing: -.03em; color: #fff; line-height: 1.1; margin-top: 16px; }
.feature__name { font-size: 18px; font-weight: 600; color: #fff; margin: 8px 0 20px; }
.check { margin: 24px 0; }
.check li { position: relative; padding: 10px 0 10px 28px; border-bottom: 1px solid var(--line-dark); color: #fff; font-weight: 500; }
.check li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 12px; height: 6px; border-left: 2px solid var(--signal); border-bottom: 2px solid var(--signal); transform: rotate(-45deg); }
.spec > div { display: grid; grid-template-columns: 88px 1fr; gap: 16px; padding: 8px 0; font-size: 14px; }
.spec dt { color: #8492a6; }
.feature__img { min-height: 320px; }
.feature__img img { width: 100%; height: 100%; object-fit: cover; }
.feature__img--doc { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; padding: clamp(24px, 4vw, 56px); background: var(--ink-2); }
.feature__img--doc img { width: auto; height: auto; max-width: 100%; max-height: 560px; object-fit: contain; box-shadow: 0 24px 60px rgba(0, 0, 0, .45); }
.feature__img--doc figcaption { color: #9daabd; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 48px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.card { padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; transition: background .3s; }
.card:hover { background: var(--tint); }
.card .mono { color: var(--blue); }
.card h3 { font-size: 21px; color: var(--ink); margin: 14px 0 10px; }
.card p:not(.mono) { color: var(--mute); font-size: 15px; flex: 1; }
.card span { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 13px; font-weight: 600; color: var(--text); }

/* r&d */
.rnd { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 5vw, 72px); }
.patents { border-top: 2px solid var(--ink); }
.patents li { display: grid; grid-template-columns: 96px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.patents time { font-family: var(--mono); font-size: 13px; color: var(--blue); padding-top: 5px; }
.patents h3 { font-size: clamp(17px, 1.8vw, 21px); color: var(--ink); line-height: 1.45; }
.patents .mono { color: var(--mute); margin-top: 6px; letter-spacing: .06em; }
.rnd__side { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); align-self: start; }
.rnd__side article { background: #fff; padding: 26px 22px; }
.rnd__side .mono { color: var(--blue); }
.rnd__side h3 { font-size: 16px; margin: 12px 0 6px; color: var(--ink); line-height: 1.4; }
.rnd__side p { font-size: 13.5px; color: var(--mute); }

/* certification */
.certs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.certs button { width: 100%; text-align: left; display: block; }
.certs img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: top; border: 1px solid var(--line); background: var(--tint); transition: transform .4s var(--ease), box-shadow .4s; }
.certs button:hover img { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(10, 18, 32, .16); }
.certs span { display: block; margin-top: 12px; font-size: 14px; font-weight: 600; line-height: 1.4; }
.certs small { display: block; font-weight: 400; color: var(--mute); font-size: 12.5px; }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(92vw, 720px); max-height: 94vh; overflow: visible; }
.lightbox::backdrop { background: rgba(6, 12, 24, .86); }
.lightbox img { max-height: 82vh; width: auto; margin: 0 auto; background: #fff; }
.lightbox p { color: #fff; text-align: center; margin-top: 14px; font-size: 15px; }
.lightbox__close { position: absolute; right: -6px; top: -48px; width: 44px; height: 44px; font-size: 30px; color: #fff; line-height: 1; }

/* history */
.history { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); }
.era h3 { font-size: 22px; color: #fff; padding-bottom: 20px; border-bottom: 2px solid var(--signal); display: flex; flex-direction: column; gap: 10px; }
.era h3 .mono { color: var(--signal); }
.era li { display: grid; grid-template-columns: 76px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line-dark); font-size: 14.5px; color: #d5dce6; }
.era time { font-family: var(--mono); font-size: 12.5px; color: #8492a6; padding-top: 3px; }

/* projects */
.pj__tools { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filters button { padding: 9px 18px; font-size: 14px; font-weight: 600; border: 1px solid var(--line); color: var(--mute); transition: all .2s; }
.filters button:hover { border-color: var(--ink); color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.search input { width: min(100%, 300px); min-height: 42px; padding: 0 14px; border: 1px solid var(--line); background: #fff; font-size: 14px; }
.pj__table { overflow-x: auto; border-top: 2px solid var(--ink); }
.pj__table table { width: 100%; border-collapse: collapse; min-width: 640px; }
.pj__table th { text-align: left; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--mute); font-weight: 500; padding: 14px 12px 14px 0; border-bottom: 1px solid var(--line); }
.pj__table td { padding: 16px 12px 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; vertical-align: top; }
.pj__table td:first-child { font-family: var(--mono); font-size: 13px; color: var(--blue); white-space: nowrap; width: 96px; }
.pj__table td:nth-child(2) { font-weight: 500; color: var(--ink); }
.pj__table td:nth-child(3) { white-space: nowrap; font-size: 13px; color: var(--mute); width: 120px; }
.pj__table td:nth-child(4) { color: var(--mute); width: 230px; }
.pj__table tbody tr { transition: background .2s; }
.pj__table tbody tr:hover { background: var(--tint); }
.pj__foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 28px; font-size: 14px; color: var(--mute); }

/* ceo */
.ceo { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 6vw, 96px); }
.ceo blockquote p { font-size: clamp(24px, 3.2vw, 40px); font-weight: 700; line-height: 1.4; letter-spacing: -.02em; color: var(--ink); margin-bottom: 32px; }
.ceo blockquote strong { color: var(--blue); }
.ceo > div > p:not(.tag) { color: var(--mute); margin-top: 14px; max-width: 620px; }
.ceo .sign { margin-top: 32px !important; color: var(--text) !important; }
.ceo .sign b { font-size: 20px; margin-left: 8px; }
.infra article { padding: 26px 0; border-top: 1px solid var(--line); }
.infra article:last-of-type { border-bottom: 1px solid var(--line); }
.infra h3 { font-size: 20px; color: var(--ink); margin-bottom: 8px; }
.infra p:not(.tag) { color: var(--mute); font-size: 15px; }

/* contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); }
.contact address { font-style: normal; }
.contact dl > div { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line-dark); }
.contact dl > div:first-child { border-top: 1px solid var(--line-dark); }
.contact dt { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: var(--signal); padding-top: 4px; }
.contact dd { color: #fff; }
.contact dd a:hover { color: var(--signal); }
.map { margin-top: 28px; aspect-ratio: 16 / 10; background: var(--ink-2); }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4) contrast(1.05); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-content: start; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full, .form__note, .form .btn { grid-column: 1 / -1; }
.field label { font-size: 13px; color: #9daabd; }
.field input, .field select, .field textarea { background: rgba(255, 255, 255, .05); border: 1px solid var(--line-dark); color: #fff; padding: 13px 14px; min-height: 50px; border-radius: 0; transition: border-color .2s; }
.field select option { color: #000; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--signal); outline: none; }
.form__note { font-size: 14px; color: var(--signal); min-height: 1.5em; }
.form .btn { justify-self: start; }

/* footer */
.footer { background: #060b15; color: #7f8da3; font-size: 14px; padding: 48px 0; }
.footer__in { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 32px; align-items: end; }
.footer__brand { font-size: 22px; font-weight: 800; letter-spacing: .12em; color: #fff; }
.footer__copy { font-size: 12.5px; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .tabs { grid-template-columns: repeat(3, 1fr); }
  .tabs button { border-bottom: 1px solid var(--line-dark); }
  .certs { grid-template-columns: repeat(4, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .history { grid-template-columns: 1fr; }
  .footer__in { grid-template-columns: 1fr; align-items: start; }
}
@media (max-width: 900px) {
  .burger { display: block; }
  .nav { position: fixed; inset: 72px 0 0 0; flex-direction: column; align-items: flex-start; gap: 0; padding: 24px var(--pad); background: var(--ink); color: #fff; font-size: 20px; transform: translateX(100%); visibility: hidden; transition: transform .4s var(--ease), visibility .4s; overflow-y: auto; }
  .nav.open { transform: none; visibility: visible; }
  .nav a { width: 100%; padding: 18px 0; border-bottom: 1px solid var(--line-dark); opacity: 1; }
  .nav a::after { display: none; }
  .nav .nav__cta { margin-top: 24px; border: 1px solid var(--signal); color: var(--signal); text-align: center; }
  .about, .sol, .feature, .rnd, .ceo, .contact { grid-template-columns: 1fr; }
  .sol__img { position: static; }
  .feature__img { order: -1; min-height: 0; }
  .feature__img--doc img { max-height: 420px; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .hero__stats > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero__stats > div:nth-child(n+3) { border-top: 1px solid var(--line-dark); }
  .values { grid-template-columns: 1fr; }
  .value, .value + .value { padding: 26px 0; border-left: 0; }
}
@media (max-width: 600px) {
  .tabs { grid-template-columns: 1fr 1fr; }
  .certs { grid-template-columns: 1fr 1fr; gap: 16px; }
  .cards { grid-template-columns: 1fr; }
  .card { padding: 26px 22px; }
  .rnd__side, .form { grid-template-columns: 1fr; }
  .flow > div, .patents li, .contact dl > div { grid-template-columns: 1fr; gap: 6px; }
  .facts > div { grid-template-columns: 84px 1fr; }
  .hero__stats > div { padding: 18px 12px 22px 0; }
  .hero__stats > div + div { padding-left: 14px; }
  .hero__stats > div:nth-child(3) { padding-left: 0; }
  .hero__stats span { display: block; margin: 0; }
  .pj__foot { flex-direction: column; align-items: flex-start; }
  /* 모바일: 실적 표를 카드형 목록으로 */
  .pj__table table { min-width: 0; }
  .pj__table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .pj__table tr { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; padding: 16px 0; border-bottom: 1px solid var(--line); }
  .pj__table td { padding: 0; border: 0; width: auto !important; }
  .pj__table td:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .pj__table td:nth-child(3) { justify-self: end; }
  .pj__table td:nth-child(4) { grid-column: 1 / -1; font-size: 13.5px; }
  .search, .search input { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}