/* keneslab.com — 한 장짜리 홈페이지와 약관 문서가 함께 쓴다.
   CSP 가 style-src 'self' 라 HTML 에 style 속성을 쓰지 않는다. 값이 바뀌는 것은 site.js 가 CSS 변수로 넣는다. */

@font-face {
  font-family: "Space Grotesk";
  src: url(../fonts/space-grotesk.woff2) format("woff2");
  font-weight: 300 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308,
    U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url(../fonts/jetbrains-mono.woff2) format("woff2");
  font-weight: 100 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308,
    U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: dark;
  --bg: #07080a;
  --bg-raise: #0c0e12;
  --bg-alt: #0c0f13;
  --card: #0f1216;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.15);
  --text: #f3f4f6;
  --text-2: #cdd2da;
  --muted: #9aa0ab;
  --lime: #c6ff3d;
  --lime-soft: rgba(198, 255, 61, 0.12);
  --violet: #9580ff;
  --violet-soft: rgba(149, 128, 255, 0.14);
  --ink: #07080a;
  --danger: #ff7a7a;

  --radius: 22px;
  --radius-sm: 14px;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(72px, 9vw, 120px);
  --header: 68px;

  --sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
  --display: "Space Grotesk", var(--sans);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- 바탕 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 12px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.75 var(--sans);
  letter-spacing: -0.005em;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
/* 화면 전체에 아주 옅은 필름 입자 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.03em; line-height: 1.2; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  padding: 10px 16px; border-radius: 999px; background: var(--lime); color: var(--ink); font-weight: 700;
  transform: translateY(-160%); transition: transform 0.2s;
}
.skip:focus { transform: none; }

/* ---------- 버튼·작은 부품 ---------- */
.btn {
  --h: 54px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--h); padding: 0 26px; border-radius: 999px;
  font-weight: 650; font-size: 16px; letter-spacing: -0.01em; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), background-color 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--lime); color: var(--ink); box-shadow: 0 0 0 0 rgba(198, 255, 61, 0); }
.btn--primary:hover { box-shadow: 0 10px 40px -8px rgba(198, 255, 61, 0.55); transform: translateY(-1px); }
.btn--ghost { border-color: var(--line-2); color: var(--text); background: rgba(255, 255, 255, 0.02); }
.btn--ghost:hover { border-color: rgba(255, 255, 255, 0.4); background: rgba(255, 255, 255, 0.06); }
.btn--sm { --h: 42px; padding: 0 18px; font-size: 15px; }

.mono { font-family: var(--mono); }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-flex; align-items: center; height: 28px; padding: 0 11px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--text-2);
  font: 500 12.5px/1 var(--mono); letter-spacing: 0;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 13px; border-radius: 999px;
  font: 500 12.5px/1 var(--mono); letter-spacing: 0.02em; color: var(--text-2);
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03);
}
.pill--live { color: var(--lime); border-color: rgba(198, 255, 61, 0.35); background: var(--lime-soft); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 0 currentColor; }
.pill--live .dot, .eyebrow .dot { animation: ping 2.4s infinite; }
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(198, 255, 61, 0.6); }
  70%, 100% { box-shadow: 0 0 0 8px rgba(198, 255, 61, 0); }
}

/* ---------- 머리글 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header);
  transition: background-color 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 8, 10, 0.68);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--line);
}
.site-header .wrap { display: flex; align-items: center; height: 100%; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font: 700 18px/1 var(--display); letter-spacing: 0.04em; }
.brand__mark { width: 32px; height: 32px; }
.brand__ko { font: 500 13px/1 var(--sans); color: var(--muted); letter-spacing: 0; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--text-2);
  transition: color 0.2s, background-color 0.2s;
}
.nav__link:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; width: 4px; height: 4px; margin-left: -2px;
  border-radius: 50%; background: var(--lime);
}
.nav__ext::after { content: " ↗"; font-size: 12px; color: var(--muted); }
.nav .btn { margin-left: 10px; }
.menu-btn {
  display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03); cursor: pointer;
  align-items: center; justify-content: center;
}
.menu-btn span, .menu-btn span::before {
  display: block; width: 16px; height: 1.5px; background: var(--text); position: relative;
  transition: transform 0.3s var(--ease);
}
.menu-btn span::before { content: ""; position: absolute; top: 5px; }
.menu-btn span { transform: translateY(-2.5px); }
.menu-open .menu-btn span { transform: translateY(0) rotate(45deg); }
.menu-open .menu-btn span::before { transform: translateY(-5px) rotate(-90deg); }

@media (max-width: 960px) {
  .menu-btn { display: inline-flex; }
  .nav {
    position: fixed; inset: var(--header) 0 auto; height: calc(100dvh - var(--header));
    flex-direction: column; align-items: stretch; gap: 0; padding: 20px var(--gutter) 40px;
    background: rgba(7, 8, 10, 0.97); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s;
    overflow-y: auto;
  }
  .menu-open .nav { opacity: 1; visibility: visible; transform: none; }
  .menu-open .site-header { background: rgba(7, 8, 10, 0.97); }
  .nav__link { padding: 18px 4px; font-size: 22px; font-weight: 600; color: var(--text); border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav__link:hover { background: none; }
  .nav__link.is-active::after { display: none; }
  .nav .btn { margin: 28px 0 0; --h: 58px; font-size: 17px; }
  .brand__ko { display: none; }
}

/* ---------- 첫 화면 ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: 100svh; padding: calc(var(--header) + clamp(40px, 8vh, 96px)) 0 0;
  display: flex; flex-direction: column;
  overflow-x: clip;
}
.hero__grid {
  position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 65% 35%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 65% 35%, #000 10%, transparent 75%);
  opacity: 0.6;
}
.hero__glow {
  position: absolute; z-index: -1; border-radius: 50%; filter: blur(80px); pointer-events: none;
}
.hero__glow--a { width: 520px; height: 520px; right: 4%; top: 12%; background: rgba(149, 128, 255, 0.22); animation: drift 16s ease-in-out infinite alternate; }
.hero__glow--b { width: 380px; height: 380px; right: 26%; top: 44%; background: rgba(198, 255, 61, 0.12); animation: drift 20s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translate3d(-40px, 30px, 0) scale(1.08); } }

.hero__inner { flex: 1; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr); align-items: center; gap: 24px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 28px;
  font: 500 13px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2);
}
.eyebrow .dot { color: var(--lime); background: var(--lime); }
.hero__title {
  font-size: clamp(42px, 6.6vw, 96px); font-weight: 800; line-height: 1.06; letter-spacing: -0.05em;
}
.hero__title .line { display: block; }
.rotator { display: inline-block; color: var(--lime); position: relative; white-space: nowrap; }
.rotator.is-out { animation: rot-out 0.42s var(--ease) forwards; }
.rotator.is-in { animation: rot-in 0.6s var(--ease) forwards; }
@keyframes rot-out { to { opacity: 0; transform: translateY(-0.35em); filter: blur(6px); } }
@keyframes rot-in { from { opacity: 0; transform: translateY(0.35em); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
.hero__lead { max-width: 600px; margin-top: 32px; font-size: clamp(17px, 1.5vw, 19.5px); line-height: 1.8; color: var(--text-2); }
.hero__lead strong { color: var(--text); font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 8px 10px; margin-top: 36px; }

.hero__visual { position: relative; aspect-ratio: 1 / 0.92; width: 150%; margin-left: -30%; }
.hero__orb {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  animation: float 9s ease-in-out infinite;
  filter: drop-shadow(0 30px 80px rgba(149, 128, 255, 0.25));
}
@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  50% { transform: translate3d(0, -18px, 0) rotate(-2deg); }
}
.chip {
  position: absolute; display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 15px; border-radius: 14px;
  background: rgba(16, 18, 23, 0.6); border: 1px solid var(--line-2);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  font: 500 12.5px/1.2 var(--mono); color: var(--text-2); white-space: nowrap;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.8);
  animation: float 10s ease-in-out infinite;
}
.chip b { color: var(--text); font-weight: 600; }
.chip .dot { color: var(--lime); background: var(--lime); }
.chip--a { left: -2%; top: 14%; animation-delay: -2s; }
.chip--b { right: -4%; top: 46%; animation-delay: -5s; }
.chip--c { left: 10%; bottom: 6%; animation-delay: -7s; }
.chip__icon { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; background: var(--lime); color: var(--ink); font: 700 12px/1 var(--display); }
.chip__icon--v { background: var(--violet); }

.marquee {
  position: relative; margin-top: clamp(48px, 8vh, 96px);
  border-block: 1px solid var(--line); overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee__list { display: flex; align-items: center; flex-shrink: 0; }
.marquee__list li {
  display: flex; align-items: center; gap: 28px; padding: 22px 14px; padding-right: 14px;
  font: 500 clamp(15px, 1.4vw, 18px)/1 var(--display); color: var(--text-2); white-space: nowrap;
}
.marquee__list li::after { content: "✦"; color: var(--lime); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 1380px) {
  .hero__visual { width: 128%; margin-left: -18%; }
  .chip--b { right: 0; }
}
@media (max-width: 960px) {
  .hero { min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: 8px; }
  .hero__visual { order: -1; width: min(100%, 440px); margin: -12px auto 8px; aspect-ratio: 1 / 0.8; }
  .chip--a { left: 0; top: 6%; }
  .chip--b { right: 0; top: 52%; }
  .chip--c { display: none; }
  .hero__glow--a { width: 340px; height: 340px; right: -10%; top: 4%; }
  .hero__glow--b { display: none; }
}
@media (max-width: 520px) {
  .hero__cta .btn { flex: 1 1 100%; }
  .chip { font-size: 11px; padding: 9px 12px; }
}

/* ---------- 절 공통 ---------- */
.section { position: relative; padding: var(--section) 0; border-top: 1px solid var(--line); }
.section--alt { background: var(--bg-alt); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px 48px; align-items: end; margin-bottom: clamp(40px, 5.5vw, 72px); }
.sec-head--stack { grid-template-columns: 1fr; max-width: 860px; }
/* [01] ABOUT ─────────── 회사 소개 */
.sec-tag {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; margin-bottom: 12px;
  font: 500 13px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2);
}
.sec-tag b {
  display: inline-grid; place-items: center; min-width: 38px; height: 26px; padding: 0 9px; border-radius: 999px;
  border: 1px solid rgba(198, 255, 61, 0.4); background: var(--lime-soft); color: var(--lime); font-weight: 600; letter-spacing: 0.02em;
}
.sec-tag::after { content: ""; order: 2; flex: 1; height: 1px; background: var(--line-2); }
.sec-tag__ko { order: 3; font-family: var(--sans); font-size: 14px; letter-spacing: 0; text-transform: none; color: var(--muted); }
.wrap > .sec-tag { margin-bottom: clamp(28px, 3.5vw, 44px); }
.sec-title { font-size: clamp(34px, 4.8vw, 66px); font-weight: 800; letter-spacing: -0.045em; line-height: 1.1; }
.sec-title em { font-style: normal; color: var(--lime); }
.sec-desc { color: var(--text-2); font-size: clamp(16.5px, 1.4vw, 18.5px); max-width: 520px; }
@media (max-width: 860px) {
  .sec-head { grid-template-columns: 1fr; }
}

/* 스크롤하면 나타난다 (JS 가 없으면 그냥 보인다) */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .reveal-d1 { transition-delay: 0.08s; }
.js .reveal-d2 { transition-delay: 0.16s; }
.js .reveal-d3 { transition-delay: 0.24s; }

/* 마우스를 따라 빛나는 카드 */
.glow-card { position: relative; isolation: isolate; }
.glow-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -20%), rgba(198, 255, 61, 0.09), transparent 45%);
  opacity: 0; transition: opacity 0.4s;
}
.glow-card:hover::before { opacity: 1; }

/* ---------- 01 소개 ---------- */
.about__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; }
.about__text p { max-width: 36em; color: var(--text-2); font-size: clamp(17px, 1.45vw, 19px); line-height: 1.85; }
.about__text p + p { margin-top: 20px; }
.about__text strong { color: var(--text); font-weight: 600; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.stat {
  padding: 26px 24px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01));
}
.stat__num { font: 700 clamp(34px, 3.6vw, 48px)/1 var(--display); letter-spacing: -0.03em; color: var(--text); }
.stat__num--word { font-size: clamp(24px, 3vw, 40px); overflow-wrap: normal; word-break: normal; }
.stat__num small { font-size: 0.5em; color: var(--lime); margin-left: 4px; }
.stat__label { margin-top: 14px; font-size: 15.5px; line-height: 1.65; color: var(--muted); }
.stat__label a { color: var(--text-2); text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 64px; }
.principle { padding: 30px 28px 32px; border-top: 1px solid var(--line-2); }
.principle__num { font: 500 13px/1 var(--mono); color: var(--lime); }
.principle h3 { margin-top: 18px; font-size: 21px; }
.principle p { margin-top: 10px; color: var(--text-2); font-size: 16px; line-height: 1.75; }
@media (max-width: 860px) {
  .about__body { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; margin-top: 40px; }
  .principle { padding: 24px 0 8px; }
}

/* ---------- 02 하는 일 ---------- */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.svc {
  position: relative; overflow: hidden; min-height: 300px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 30px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.008) 60%);
  transition: border-color 0.3s, transform 0.4s var(--ease);
}
.svc:hover { border-color: var(--line-2); }
.svc--wide { grid-column: span 4; }
.svc--half { grid-column: span 3; }
.svc--narrow { grid-column: span 2; }
.svc__art {
  position: absolute; top: 18px; right: 14px; width: 168px; height: auto;
  transition: transform 0.6s var(--ease);
}
.svc--wide .svc__art { width: 220px; top: 10px; right: 28px; }
.svc:hover .svc__art { transform: translateY(-6px) rotate(-3deg) scale(1.04); }
.svc__num { position: absolute; top: 28px; left: 30px; font: 500 13px/1 var(--mono); color: var(--muted); }
.svc h3 { font-size: clamp(22px, 2vw, 27px); margin-top: 120px; }
.svc p { margin-top: 12px; color: var(--text-2); font-size: 16px; line-height: 1.75; max-width: 520px; }
.svc .tag-list { margin-top: 20px; }
.svc--cta { background: linear-gradient(150deg, rgba(198, 255, 61, 0.14), rgba(149, 128, 255, 0.08) 70%); border-color: rgba(198, 255, 61, 0.22); }
.svc__link { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; font-weight: 650; color: var(--lime); }
.svc__link svg { width: 18px; height: 18px; transition: transform 0.3s var(--ease); }
.svc__link:hover svg { transform: translateX(4px); }
@media (max-width: 1060px) {
  .svc--wide, .svc--half, .svc--narrow { grid-column: span 3; }
}
@media (max-width: 700px) {
  .bento { grid-template-columns: 1fr; }
  .svc--wide, .svc--half, .svc--narrow { grid-column: auto; }
  .svc { min-height: 0; padding: 26px 22px; }
  .svc__art, .svc--wide .svc__art { width: 128px; top: 8px; right: 8px; }
  .svc h3 { margin-top: 96px; }
  .svc__num { top: 24px; left: 22px; }
}

/* ---------- 03 제품 ---------- */
.product {
  padding: clamp(22px, 3.6vw, 48px); border-radius: 28px; border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008) 40%);
}
.product + .product { margin-top: clamp(24px, 3vw, 40px); }
.product__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.product__id { display: flex; align-items: center; gap: 18px; }
.product__logo {
  width: 64px; height: 64px; border-radius: 18px; flex: none;
  display: grid; place-items: center; font: 700 22px/1 var(--display); letter-spacing: -0.03em;
}
.product__logo--aki { background: linear-gradient(140deg, #3d6bff, #2346c9); color: #fff; }
.product__logo--lk { background: linear-gradient(140deg, #ffffff, #c9d3ff); color: #1d3fbf; }
.product__kicker { font: 500 13px/1.4 var(--mono); color: var(--muted); letter-spacing: 0.02em; }
.product__name { font: 700 clamp(34px, 4vw, 52px)/1.05 var(--display); letter-spacing: -0.035em; margin-top: 6px; }
.product__meta { display: flex; flex-wrap: wrap; gap: 8px; }

.product__body { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.stage { position: relative; padding-bottom: 36px; }
.browser {
  margin: 0; border-radius: 16px; overflow: hidden; border: 1px solid var(--line-2);
  background: #0d0f13; box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(0, 0, 0, 0.4);
}
.browser__bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #121419; }
.browser__bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a2e36; }
.browser__url {
  flex: 1; max-width: 300px; margin: 0 auto; height: 24px; padding: 0 12px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  background: rgba(255, 255, 255, 0.05); font: 500 12px/1 var(--mono); color: var(--muted);
}
.browser__url::before { content: ""; width: 8px; height: 9px; border: 1.5px solid currentColor; border-radius: 2px; border-top-width: 3px; opacity: 0.7; }
.browser__screen { position: relative; aspect-ratio: 16 / 10; background: #f5f6f8; }
.browser__screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; transition: opacity 0.45s var(--ease); }
.browser__screen img.is-loading { opacity: 0.4; }
.phone {
  position: absolute; right: -14px; bottom: 0; width: 26%; min-width: 120px; margin: 0;
  padding: 7px; border-radius: 30px; background: #15171c; border: 1px solid var(--line-2);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.9), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}
.phone img { border-radius: 23px; width: 100%; aspect-ratio: 390 / 760; object-fit: cover; object-position: top; background: #fff; }
.shots { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.shots__btn {
  height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent; cursor: pointer;
  font-size: 14px; color: var(--muted); transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}
.shots__btn:hover { color: var(--text); border-color: var(--line-2); }
.shots__btn[aria-pressed="true"] { color: var(--ink); background: var(--text); border-color: var(--text); font-weight: 600; }
.shots__caption { margin-top: 12px; min-height: 1.6em; font-size: 15px; color: var(--muted); }

.product__tagline { font-size: clamp(22px, 2.2vw, 28px); font-weight: 700; letter-spacing: -0.035em; line-height: 1.35; }
.product__desc { margin-top: 16px; color: var(--text-2); font-size: 16.5px; line-height: 1.8; }
.feature-list { margin-top: 26px; border-top: 1px solid var(--line); }
.feature-list li {
  display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; padding: 13px 0;
  border-bottom: 1px solid var(--line); font-size: 16px; line-height: 1.65; color: var(--text-2);
}
.feature-list li::before {
  content: ""; width: 14px; height: 14px; margin-top: 4px; border-radius: 4px;
  background: var(--lime-soft); border: 1px solid rgba(198, 255, 61, 0.5);
  box-shadow: inset 0 0 0 3px var(--card);
}
.feature-list b { color: var(--text); font-weight: 600; }
.product__links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
@media (min-width: 961px) {
  .product--flip .product__body { grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr); }
  .product--flip .product__body > :first-child { order: 2; }
}
@media (max-width: 960px) {
  .product__body { grid-template-columns: 1fr; }
  .phone { right: 4px; width: 30%; }
}
@media (max-width: 520px) {
  .browser__url { display: none; }
  .phone { width: 34%; min-width: 0; border-radius: 22px; padding: 5px; }
  .phone img { border-radius: 17px; }
  .product__logo { width: 52px; height: 52px; border-radius: 15px; font-size: 19px; }
}

/* ---------- 04 외주 프로젝트 ---------- */
.works { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.work {
  display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--card);
  transition: border-color 0.3s;
}
.work:hover { border-color: var(--line-2); }
.work__cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: radial-gradient(120% 120% at 70% 20%, #1a1d26, #0b0c10 70%); }
.work__shot {
  position: absolute; inset: -4%; width: 108%; height: 108%; max-width: none; object-fit: cover; object-position: top left;
  opacity: 0.42; filter: saturate(0.5) brightness(0.8);
}
.work__cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15, 18, 22, 0) 30%, rgba(15, 18, 22, 0.92) 100%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.025) 0 2px, transparent 2px 10px);
}
.work__art {
  position: absolute; z-index: 1; right: 4%; top: 50%; width: 52%; transform: translateY(-50%);
  transition: transform 0.7s var(--ease);
}
.work:hover .work__art { transform: translateY(-53%) rotate(-2deg) scale(1.03); }
.nda {
  position: absolute; z-index: 2; left: 20px; top: 20px; display: inline-flex; align-items: center; gap: 8px;
  height: 30px; padding: 0 12px; border-radius: 8px;
  background: rgba(7, 8, 10, 0.7); border: 1px solid var(--line-2); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font: 500 12px/1 var(--mono); letter-spacing: 0.04em; color: var(--text-2);
}
.nda svg { width: 13px; height: 13px; color: var(--lime); }
.work__body { display: flex; flex-direction: column; flex: 1; padding: 6px 30px 30px; }
.work__type { font: 500 13px/1.5 var(--mono); color: var(--lime); letter-spacing: 0.01em; }
.work__name { margin-top: 8px; font: 700 clamp(26px, 2.6vw, 34px)/1.1 var(--display); letter-spacing: -0.03em; }
.work__desc { margin-top: 14px; color: var(--text-2); font-size: 16px; line-height: 1.75; }
.work__list { margin-top: 18px; display: grid; gap: 8px; }
.work__list li { position: relative; padding-left: 18px; color: var(--text-2); font-size: 15.5px; line-height: 1.65; }
.work__list li::before { content: ""; position: absolute; left: 2px; top: 0.7em; width: 6px; height: 6px; border-radius: 50%; background: var(--violet); }
.work .tag-list { margin-top: auto; padding-top: 22px; }
.work__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 600; color: var(--text); font-size: 15px; }
.work__more:hover { color: var(--lime); }
.works-note { margin-top: 20px; color: var(--muted); font-size: 15px; display: flex; gap: 8px; align-items: flex-start; }
.works-note svg { width: 16px; height: 16px; flex: none; margin-top: 4px; color: var(--muted); }
@media (max-width: 860px) {
  .works { grid-template-columns: 1fr; }
  .work__body { padding: 4px 22px 24px; }
  .nda { left: 14px; top: 14px; }
}

/* 프로젝트 묶음 머리 */
.group-head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 32px;
  margin-bottom: 24px;
}
.group-head--next { margin-top: clamp(64px, 8vw, 104px); padding-top: clamp(32px, 4vw, 48px); border-top: 1px dashed var(--line-2); }
.group-title { display: flex; align-items: baseline; gap: 12px; font-size: clamp(22px, 2.3vw, 30px); }
.group-count { font: 500 14px/1 var(--mono); color: var(--lime); letter-spacing: 0; }
.group-desc { color: var(--text-2); font-size: 16px; max-width: 560px; }

/* 학회·단체 웹사이트 */
.sites { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.site { display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--card); transition: border-color 0.3s; }
.site:hover { border-color: var(--line-2); }
.site__stage {
  position: relative; padding: 24px 24px 0;
  background: radial-gradient(120% 100% at 30% 0%, rgba(149, 128, 255, 0.16), transparent 60%), linear-gradient(180deg, #13161c, var(--card));
}
.site__stage .browser { border-radius: 12px 12px 0 0; border-bottom: 0; transition: transform 0.6s var(--ease); }
.site:hover .site__stage .browser { transform: translateY(-4px); }
.browser--sm .browser__bar { height: 28px; padding: 0 10px; gap: 5px; }
.browser--sm .browser__bar i { width: 7px; height: 7px; }
.browser--sm .browser__url { height: 18px; max-width: 170px; font-size: 10.5px; }
.phone--sm { right: 12px; bottom: 12px; width: 22%; min-width: 0; padding: 4px; border-radius: 17px; }
.phone--sm img { border-radius: 13px; }
.site__body { display: flex; flex-direction: column; flex: 1; padding: 26px 26px 28px; }
.site__name { margin-top: 8px; font: 700 clamp(24px, 2.2vw, 30px)/1.15 var(--display); letter-spacing: -0.03em; }
.site__desc { margin-top: 12px; color: var(--text-2); font-size: 16px; line-height: 1.75; }
.site__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 22px; }
.site__foot .work__more { margin-top: 0; }
.pill--soon { color: var(--violet); border-color: rgba(149, 128, 255, 0.4); background: var(--violet-soft); }
@media (max-width: 1060px) { .sites { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) {
  .sites { grid-template-columns: 1fr; }
  .site__stage { padding: 18px 18px 0; }
  .site__body { padding: 22px 22px 24px; }
}

/* ---------- 05 일하는 방식 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); counter-reset: step; }
.step { position: relative; padding: 0 22px 0 0; }
.step__dot {
  position: relative; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--line-2); background: var(--bg); font: 600 14px/1 var(--mono); color: var(--text);
  z-index: 1;
}
.step:first-child .step__dot { background: var(--lime); color: var(--ink); border-color: var(--lime); }
.step::before {
  content: ""; position: absolute; left: 48px; right: 0; top: 24px; height: 1px;
  background: linear-gradient(90deg, var(--line-2), var(--line));
}
.step:last-child::before { display: none; }
.step h3 { margin-top: 26px; font-size: 21px; }
.step p { margin-top: 10px; color: var(--text-2); font-size: 16px; line-height: 1.7; }
@media (max-width: 960px) {
  .steps { grid-template-columns: 1fr; gap: 0; }
  .step { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 0 20px; padding: 0 0 32px; }
  .step::before { left: 24px; right: auto; top: 48px; bottom: 0; width: 1px; height: auto; background: var(--line-2); }
  .step h3 { margin-top: 10px; grid-column: 2; }
  .step p { grid-column: 2; }
  .step__dot { grid-row: 1 / span 2; }
}

/* ---------- 06 상담 ---------- */
.contact { overflow: hidden; isolation: isolate; background: radial-gradient(80% 60% at 85% 0%, rgba(149, 128, 255, 0.10), transparent 70%), var(--bg); }
.contact__bg {
  position: absolute; z-index: -1; right: -18%; top: -40px; width: 70%; max-width: 1100px; opacity: 0.3;
  -webkit-mask-image: linear-gradient(180deg, #000 40%, transparent);
  mask-image: linear-gradient(180deg, #000 40%, transparent);
}
.contact__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact .sec-title { font-size: clamp(34px, 4.2vw, 56px); }
.contact__lead { margin-top: 24px; color: var(--text-2); font-size: clamp(17px, 1.45vw, 19px); line-height: 1.8; }
.mail-card {
  margin-top: 36px; padding: 26px; border-radius: var(--radius); border: 1px solid var(--line-2);
  background: linear-gradient(150deg, rgba(198, 255, 61, 0.08), rgba(255, 255, 255, 0.02) 60%);
}
.mail-card__label { font: 500 12.5px/1 var(--mono); color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }
.mail-card__addr { display: block; margin-top: 12px; font: 600 clamp(22px, 2.4vw, 30px)/1.2 var(--display); letter-spacing: -0.02em; color: var(--text); }
.mail-card__addr:hover { color: var(--lime); }
.mail-card__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.topics { margin-top: 36px; }
.topics h3 { font-size: 16px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }
.topics ul { margin-top: 14px; display: grid; gap: 10px; }
.topics li { display: flex; gap: 12px; color: var(--text-2); font-size: 16px; }
.topics li::before { content: "→"; color: var(--lime); font-family: var(--mono); }

.form {
  padding: clamp(24px, 3vw, 40px); border-radius: var(--radius); border: 1px solid var(--line-2);
  background: rgba(15, 18, 22, 0.75); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.8);
}
.form__title { font-size: 22px; }
.form__sub { margin-top: 6px; color: var(--muted); font-size: 15px; }
.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 14px; margin-top: 28px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field__label { font-size: 14.5px; font-weight: 600; color: var(--text-2); }
.field__label .req { color: var(--lime); margin-left: 3px; }
.field__label .opt { color: var(--muted); font-weight: 400; margin-left: 4px; font-size: 13px; }
.input {
  width: 100%; height: 52px; padding: 0 16px; border-radius: 12px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03);
  font-size: 16px; color: var(--text); transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
}
.input::placeholder { color: #6b717c; }
.input:hover { border-color: rgba(255, 255, 255, 0.24); }
.input:focus { outline: none; border-color: var(--lime); background: rgba(198, 255, 61, 0.03); box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.12); }
textarea.input { height: auto; min-height: 160px; padding: 14px 16px; line-height: 1.7; resize: vertical; }
select.input {
  appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%238d939f' stroke-width='1.6'%3E%3Cpath d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
select.input option { background: #15171c; color: var(--text); }
.input[aria-invalid="true"] { border-color: var(--danger); }
.choice { flex-direction: row; flex-wrap: wrap; gap: 8px; border: 0; margin: 0; padding: 0; min-width: 0; }
.choice legend { float: left; width: 100%; padding: 0; margin-bottom: 4px; }
.choice label { position: relative; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice span {
  display: inline-flex; align-items: center; height: 42px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--text-2); font-size: 15px; cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}
.choice span:hover { border-color: rgba(255, 255, 255, 0.3); color: var(--text); }
.choice input:checked + span { background: var(--lime); border-color: var(--lime); color: var(--ink); font-weight: 650; }
.choice input:focus-visible + span { outline: 2px solid var(--lime); outline-offset: 3px; }
.consent { display: flex; gap: 12px; align-items: flex-start; margin-top: 22px; font-size: 14.5px; line-height: 1.65; color: var(--muted); }
.consent input { flex: none; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--lime); cursor: pointer; }
.consent a { color: var(--text-2); text-decoration: underline; text-underline-offset: 3px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 26px; }
.form__foot .btn { min-width: 200px; }
.form__status { font-size: 15px; color: var(--text-2); }
.form__status.is-ok { color: var(--lime); }
.form__status.is-err { color: var(--danger); }
.btn[disabled] { opacity: 0.6; cursor: progress; }
@media (max-width: 960px) {
  .contact__grid { grid-template-columns: 1fr; }
  .contact__bg { width: 140%; right: -40%; opacity: 0.35; }
}
@media (max-width: 560px) {
  .form__grid { grid-template-columns: 1fr; }
  .form__foot .btn { width: 100%; }
}

/* ---------- 07 자주 묻는 질문 ---------- */
.faq { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.faq .sec-head { margin-bottom: 0; position: sticky; top: calc(var(--header) + 32px); }
.faq__list { border-top: 1px solid var(--line-2); }
.qa { border-bottom: 1px solid var(--line-2); }
.qa summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 26px 0; cursor: pointer; list-style: none;
  font-size: clamp(17.5px, 1.6vw, 20px); font-weight: 650; letter-spacing: -0.02em; line-height: 1.45;
  transition: color 0.2s;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--lime); }
.qa summary::after {
  content: ""; flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line-2);
  background:
    linear-gradient(var(--text), var(--text)) center / 12px 1.5px no-repeat,
    linear-gradient(var(--text), var(--text)) center / 1.5px 12px no-repeat;
  transition: transform 0.35s var(--ease), background-color 0.2s;
}
.qa[open] summary::after { transform: rotate(45deg); }
.qa__a { padding: 0 52px 28px 0; color: var(--text-2); font-size: 16.5px; line-height: 1.85; }
.qa__a p + p { margin-top: 10px; }
.qa__a strong { color: var(--text); font-weight: 650; }
.qa__a a { color: var(--lime); }
@media (max-width: 860px) {
  .faq { grid-template-columns: 1fr; }
  .faq .sec-head { position: static; }
  .qa__a { padding-right: 0; }
}

/* ---------- 바닥글 ---------- */
.site-footer { position: relative; padding: 0 0 40px; border-top: 1px solid var(--line); overflow: hidden; }
.footer__big {
  display: block; padding: clamp(40px, 6vw, 72px) 0 clamp(24px, 4vw, 48px);
  font: 700 clamp(64px, 17vw, 260px)/0.85 var(--display); letter-spacing: -0.06em; text-align: center;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.16);
  background: linear-gradient(180deg, rgba(198, 255, 61, 0.18), rgba(198, 255, 61, 0) 80%);
  -webkit-background-clip: text; background-clip: text;
  user-select: none;
}
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-top: 32px; border-top: 1px solid var(--line); }
.footer__about p { margin-top: 14px; color: var(--muted); font-size: 15px; line-height: 1.7; max-width: 360px; }
.footer__col h2 { font: 500 12.5px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.footer__col ul { margin-top: 16px; display: grid; gap: 10px; }
.footer__col a { color: var(--text-2); font-size: 15px; transition: color 0.2s; }
.footer__col a:hover { color: var(--lime); }
.footer__legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; color: var(--muted); font-size: 13.5px; }
.footer__biz { display: flex; flex-wrap: wrap; gap: 4px 16px; }
@media (max-width: 760px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__about { grid-column: 1 / -1; }
}

/* ---------- 문서(개인정보처리방침·이용약관·404) ---------- */
.doc-page { padding: calc(var(--header) + 56px) 0 96px; }
.doc { max-width: 820px; }
.doc h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 800; letter-spacing: -0.045em; }
.doc .meta { margin: 14px 0 40px; color: var(--muted); font-family: var(--mono); font-size: 14px; }
.doc h2 { margin: 48px 0 12px; font-size: 21px; letter-spacing: -0.02em; }
.doc p, .doc li { color: var(--text-2); font-size: 16.5px; line-height: 1.85; }
.doc p + p { margin-top: 12px; }
.doc ul, .doc ol { padding-left: 1.2em; list-style: disc; }
.doc ol { list-style: decimal; }
.doc li + li { margin-top: 6px; }
.doc a { color: var(--lime); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(198, 255, 61, 0.4); }
.doc code { font-family: var(--mono); font-size: 0.88em; padding: 2px 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.07); }
.doc strong { color: var(--text); }
.doc .en { margin-top: 18px; padding: 20px 22px; border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.035); border: 1px solid var(--line); }
.doc .en p { font-size: 15px; }
.doc .table { overflow-x: auto; margin: 16px 0; border-radius: var(--radius-sm); border: 1px solid var(--line-2); }
.doc table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; color: var(--text-2); line-height: 1.65; }
.doc tr:last-child td { border-bottom: 0; }
.doc th { background: rgba(255, 255, 255, 0.04); color: var(--text); font-weight: 600; white-space: nowrap; }
.doc-header { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header); background: rgba(7, 8, 10, 0.75); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.doc-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.doc-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
.doc-footer .wrap { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.doc-footer a:hover { color: var(--lime); }
.notfound { min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 40px var(--gutter); }
.notfound__code { font: 700 clamp(96px, 22vw, 220px)/0.9 var(--display); letter-spacing: -0.06em; color: transparent; -webkit-text-stroke: 1px rgba(198, 255, 61, 0.6); }
.notfound h1 { margin-top: 20px; font-size: clamp(24px, 3vw, 32px); }
.notfound p { margin-top: 10px; color: var(--text-2); }
.notfound .btn { margin-top: 32px; }

/* ---------- 메일 주소 복사 말풍선 (site.js) ---------- */
.is-copyable { cursor: copy; }
.copy-tip {
  position: fixed; left: 0; top: 0; z-index: 300; pointer-events: none;
  transform: translate(calc(var(--tx, -999px) - 50%), calc(var(--ty, -999px) - 100% - 16px));
  padding: 8px 13px; border-radius: 10px; background: var(--text); color: var(--ink);
  font: 600 13px/1.2 var(--sans); letter-spacing: -0.01em; white-space: nowrap;
  box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.7);
  opacity: 0; transition: opacity 0.15s, background-color 0.15s;
}
.copy-tip::after {
  content: ""; position: absolute; left: 50%; bottom: -5px; width: 10px; height: 10px; margin-left: -5px;
  border-radius: 2px; background: inherit; transform: rotate(45deg);
}
.copy-tip.is-on { opacity: 1; }
.copy-tip.is-done { background: var(--lime); }
/* 체크 표시는 글꼴에 기대지 않고 테두리로 그린다 */
.copy-tip.is-done::before {
  content: ""; display: inline-block; width: 5px; height: 9px; margin: 0 9px 2px 2px; vertical-align: middle;
  border: solid currentColor; border-width: 0 2px 2px 0; transform: rotate(45deg);
}

/* ---------- 움직임 줄이기 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
}