/* ============================================================
   Arazit Labs · Landing: ORIGIN 시안 (useorigin.com 스타일 실측 기반)
   Dark #0f1011 + dusk-sky photographic hero + editorial serif display
   + mono-caps UI system + glass surfaces. Radius: btn 8 / card 16 / pill 999.
   Type: Alte Haas(logo) / Cormorant Garamond+Noto Serif KR(display)
         / Instrument Sans+Pretendard(body) / Roboto Mono(labels)
   ============================================================ */

@font-face {
  font-family: "Cormorant Garamond";
  src: url("../fonts/CormorantGaramondVar-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant Garamond";
  src: url("../fonts/CormorantGaramondVar-italic-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/InstrumentSansVar-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Roboto Mono";
  src: url("../fonts/RobotoMonoVar-latin.woff2") format("woff2");
  font-weight: 100 700;
  font-display: swap;
}
@font-face {
  font-family: "Alte Haas Grotesk";
  src: url("../fonts/AlteHaasGrotesk-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Alte Haas Grotesk";
  src: url("../fonts/AlteHaasGrotesk-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #0f1011;
  --ink: #f2f1ec;
  --ink-dim: rgba(242, 241, 236, 0.62);
  --ink-faint: rgba(242, 241, 236, 0.45);
  --line: rgba(242, 241, 236, 0.12);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-brd: rgba(255, 255, 255, 0.14);

  --font-logo: "Alte Haas Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Cormorant Garamond", "Noto Serif KR", "Apple SD Gothic Neo", serif;
  --font-sans: "Instrument Sans", "Pretendard Variable", Pretendard, -apple-system,
    "Apple SD Gothic Neo", sans-serif;
  --font-mono: "Roboto Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-btn: 8px;
  --r-card: 16px;

  --container: 1180px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --section-y: clamp(6rem, 14vh, 10rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.75;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
}
h1, h2, h3, p {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
img, svg {
  display: block;
  max-width: 100%;
}
::selection {
  background: var(--ink);
  color: var(--bg);
}
:focus-visible {
  outline: 1.5px solid var(--ink);
  outline-offset: 3px;
}
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .sky-drift { animation: none; }
  .btn-glow::after { animation: none; opacity: 0.3; }
  .ask-caret { animation: none; }
  .asset { transition: none; }
  .asset:hover { transform: none; }
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 40;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(15, 16, 17, 0.55);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav .container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-logo);
  font-weight: 400;
  font-size: 1.06rem;
  white-space: nowrap;
}
.brand svg {
  width: 19px;
  height: 19px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.5vw, 2rem);
}
.nav-links a:not(.btn) {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color 0.25s var(--ease);
}
.nav-links a:not(.btn):hover {
  color: var(--ink);
}
@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.93rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid var(--ink);
  border-radius: var(--r-btn);
  cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn:active {
  transform: translateY(1px);
}
.btn-solid {
  background: var(--ink);
  color: #141414;
  border-color: transparent;
}
.btn-solid:hover {
  background: #ffffff;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-color: var(--glass-brd);
}
.btn-ghost:hover {
  border-color: var(--ink-dim);
}
.btn-sm {
  padding: 0.52rem 1.05rem;
  font-size: 0.85rem;
}

/* ---------- Hero: dusk sky ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  align-items: center;
  overflow: hidden;
  text-align: center;
}
.hero-sky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 60% at 78% 12%, rgba(214, 200, 176, 0.28) 0%, transparent 55%),
    radial-gradient(90% 50% at 22% 30%, rgba(120, 146, 189, 0.35) 0%, transparent 60%),
    radial-gradient(140% 80% at 50% 108%, rgba(226, 202, 168, 0.5) 0%, transparent 58%),
    linear-gradient(180deg, #11151d 0%, #1d2737 26%, #33455f 52%, #5c6a83 74%, #9d9789 92%, #0f1011 100%);
}
.sky-drift {
  position: absolute;
  inset: -14%;
  background:
    radial-gradient(58% 40% at 72% 22%, rgba(216, 202, 178, 0.22) 0%, transparent 60%),
    radial-gradient(48% 38% at 24% 40%, rgba(126, 152, 196, 0.3) 0%, transparent 62%);
  animation: skyDrift 46s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes skyDrift {
  from { transform: translate3d(-1.6%, 0.6%, 0) scale(1); }
  to { transform: translate3d(1.6%, -1%, 0) scale(1.08); }
}

.hero-sky::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-sky::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 34%;
  background: linear-gradient(180deg, transparent, #0f1011 88%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin-inline: auto;
  padding-block: 8rem 6rem;
  display: grid;
  justify-items: center;
}
.hero-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 0.42rem 0.95rem;
}
.hero h1 {
  margin-top: 1.6rem;
  font-family: var(--font-serif);
  font-weight: 340;
  font-size: clamp(3rem, 7.6vw, 5.9rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
}
.hero h1 em {
  font-style: italic;
  font-weight: 320;
}
.hero-sub {
  margin-top: 1.5rem;
  max-width: 33em;
  font-size: clamp(1.02rem, 1.5vw, 1.14rem);
  line-height: 1.72;
  color: rgba(242, 241, 236, 0.78);
}
.hero-cta {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

/* Ask pill */
.ask {
  margin-top: 2.6rem;
  width: min(560px, 100%);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(20, 22, 26, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.16);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-radius: 999px;
  padding: 0.5rem 0.55rem 0.5rem 1.4rem;
}
.ask input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.98rem;
}
.ask input::placeholder {
  color: rgba(242, 241, 236, 0.55);
}
.ask {
  position: relative;
}
.ask-ghost {
  position: absolute;
  left: 1.45rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 2px;
  max-width: calc(100% - 5.4rem);
  overflow: hidden;
  white-space: nowrap;
  font-size: 0.98rem;
  color: rgba(242, 241, 236, 0.55);
  pointer-events: none;
}
.ask-ghost.is-hidden {
  display: none;
}
.ask-caret {
  width: 1.5px;
  height: 1.06em;
  background: rgba(242, 241, 236, 0.75);
  animation: caretBlink 1.05s steps(2, start) infinite;
}
@keyframes caretBlink {
  to { visibility: hidden; }
}
.ask button {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 0;
  background: var(--ink);
  color: #141414;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease);
}
.ask button:hover {
  background: #ffffff;
}
.ask button:active {
  transform: scale(0.96);
}
.ask-note {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* Origin 시그니처: 회전 글로우 보더 (히어로 주 CTA 한정) */
@property --glow-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
.btn-glow {
  position: relative;
}
.btn-glow::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: calc(var(--r-btn) + 3px);
  padding: 1.5px;
  background: conic-gradient(
    from var(--glow-angle),
    transparent 0turn 0.62turn,
    rgba(255, 255, 255, 0.85) 0.78turn,
    transparent 0.94turn
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: glowTurn 4.2s linear infinite;
  pointer-events: none;
}
@keyframes glowTurn {
  to { --glow-angle: 360deg; }
}

/* ---------- Sections ---------- */
.section {
  padding-block: var(--section-y);
  border-top: 1px solid var(--line);
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.statement-label {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--ink-dim);
}
.h2 {
  font-family: var(--font-serif);
  font-weight: 380;
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
}
.lead {
  color: var(--ink-dim);
  max-width: 62ch;
}

/* ---------- Manifesto (serif editorial) ---------- */
.manifesto-intro {
  max-width: 44em;
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  line-height: 1.75;
  color: var(--ink-dim);
}
.manifesto-lines {
  margin-top: clamp(3.5rem, 8vh, 5.5rem);
  display: grid;
  gap: clamp(2.4rem, 5vh, 3.6rem);
}
.manifesto-line {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.4vw, 2.5rem);
  line-height: 1.34;
  letter-spacing: -0.005em;
  max-width: 25em;
}
.manifesto-line .no {
  display: block;
  color: var(--ink-faint);
  font-weight: 300;
}
.manifesto-line .yes {
  display: block;
  font-weight: 500;
}
@media (min-width: 900px) {
  .manifesto-line:nth-child(2) { margin-left: 8%; }
  .manifesto-line:nth-child(3) { margin-left: 16%; }
}

/* ---------- AIR ---------- */
.air-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(3rem, 6vw, 5rem);
}
@media (min-width: 980px) {
  .air-grid {
    grid-template-columns: 5fr 6fr;
    align-items: start;
  }
  .air-left {
    position: sticky;
    top: 104px;
  }
}
.air-left .h2 { margin-top: 1.1rem; }
.air-left .lead { margin-top: 1.4rem; }
.features {
  margin-top: 2.6rem;
  display: grid;
}
.feature {
  padding-block: 1.35rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.3rem;
}
.feature h3 {
  font-size: 1.02rem;
  font-weight: 600;
}
.feature p {
  font-size: 0.95rem;
  color: var(--ink-dim);
  line-height: 1.65;
}

/* Demo: glass card */
.demo {
  border: 1px solid var(--glass-brd);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: var(--r-card);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  display: grid;
  gap: 1.7rem;
}
.demo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.demo-head .brand-mini {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.09em;
}
.demo-head .brand-mini svg {
  width: 14px;
  height: 14px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--glass-brd);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  white-space: nowrap;
}
.demo-q {
  font-weight: 600;
  font-size: 0.98rem;
  display: flex;
  gap: 0.8rem;
}
.demo-q::before {
  content: "Q";
  font-family: var(--font-mono);
  color: var(--ink-faint);
  font-weight: 400;
}
.demo-a {
  margin-top: 0.85rem;
  padding-left: 1.05rem;
  border-left: 1px solid var(--glass-brd);
  font-size: 0.95rem;
  color: var(--ink-dim);
  line-height: 1.7;
  display: grid;
  gap: 0.8rem;
}
.demo-a .a-tagged {
  display: grid;
  gap: 0.55rem;
  justify-items: start;
}
.sources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.source-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.26rem 0.65rem;
}

/* ---------- Webcast: photo-mood cards ---------- */
.channel-head { max-width: 62ch; }
.channel-head .h2 { margin-top: 1.1rem; }
.channel-head .lead { margin-top: 1.4rem; }
.assets {
  margin-top: clamp(3rem, 6vh, 4.5rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
@media (min-width: 880px) {
  .assets { grid-template-columns: 1fr 1fr; }
}
.asset {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: clamp(1.6rem, 3vw, 2.2rem);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease);
}
.asset:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.24);
}
.asset::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  pointer-events: none;
}
.asset-sky1 { background: linear-gradient(168deg, #1b2434 0%, #2c3e58 45%, #64686f 80%, #8d8577 100%); }
.asset-sky2 { background: linear-gradient(168deg, #2a2018 0%, #4a3826 48%, #7a5c39 82%, #94744a 100%); }
.asset-sky3 { background: linear-gradient(168deg, #171d1e 0%, #27373b 48%, #46595c 82%, #5d7173 100%); }
.asset-sky4 { background: linear-gradient(168deg, #131720 0%, #1f2a40 48%, #35486b 82%, #4d5f86 100%); }
.asset-en {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(242, 241, 236, 0.6);
  margin-bottom: 0.7rem;
}
.asset h3 {
  font-size: 1.1rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}
.asset p {
  margin-top: 0.5rem;
  font-size: 0.94rem;
  color: rgba(242, 241, 236, 0.75);
  max-width: 34em;
  position: relative;
  z-index: 1;
}
.board {
  margin-top: 1.1rem;
  border: 1px solid var(--glass-brd);
  background: var(--glass);
  border-radius: var(--r-card);
  padding: clamp(1.4rem, 3vw, 1.9rem) clamp(1.6rem, 3vw, 2.2rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}
@media (min-width: 880px) {
  .board {
    grid-template-columns: auto 1fr;
    gap: 2.5rem;
    align-items: baseline;
  }
}
.board h3 {
  font-size: 1.02rem;
  font-weight: 700;
  white-space: nowrap;
}
.board p {
  font-size: 0.95rem;
  color: var(--ink-dim);
  max-width: 52em;
}

/* ---------- Experiment callout (세리프) ---------- */
.callout {
  text-align: center;
}
.callout-inner {
  max-width: 800px;
  margin-inline: auto;
  display: grid;
  gap: 1.5rem;
  justify-items: center;
}
.callout .big {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  line-height: 1.42;
}
.callout .big strong {
  font-weight: 600;
}
.callout p:not(.big):not(.statement-label) {
  color: var(--ink-dim);
  max-width: 38em;
}

/* ---------- Triage cards ---------- */
.triage-cards {
  margin-top: clamp(2.6rem, 5vh, 4rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
@media (min-width: 880px) {
  .triage-cards { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
  .triage-card:last-child { border-color: rgba(255, 255, 255, 0.28); }
}
.triage-card {
  border: 1px solid var(--glass-brd);
  background: var(--glass);
  border-radius: var(--r-card);
  padding: clamp(1.5rem, 2.6vw, 2rem);
  display: grid;
  gap: 0.7rem;
  align-content: start;
}
.triage-card .tag { justify-self: start; }
.triage-card h3 {
  font-size: 1.08rem;
  font-weight: 600;
}
.triage-card p {
  font-size: 0.93rem;
  color: var(--ink-dim);
}

/* ---------- Pilot steps ---------- */
.steps {
  margin-top: clamp(2.6rem, 5vh, 4rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
@media (min-width: 880px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}
.step {
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: clamp(1.5rem, 2.6vw, 2rem);
}
.step-week {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.step h3 {
  margin-top: 0.8rem;
  font-size: 1.06rem;
  font-weight: 600;
}
.step p {
  margin-top: 0.45rem;
  font-size: 0.93rem;
  color: var(--ink-dim);
}
.steps-foot {
  margin-top: 1.7rem;
  font-size: 0.94rem;
  color: var(--ink-dim);
}

/* ---------- Trust (데이터 소유권) ---------- */
.trust-head {
  max-width: 62ch;
}
.trust-head .h2 {
  margin-top: 0.9rem;
}
.trust-cards {
  margin-top: clamp(2.6rem, 5vh, 4rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
@media (min-width: 880px) {
  .trust-cards { grid-template-columns: 1fr 1fr; }
}
.trust-card {
  border: 1px solid var(--glass-brd);
  background: var(--glass);
  border-radius: var(--r-card);
  padding: clamp(1.5rem, 2.6vw, 2rem);
}
.trust-card:first-child {
  background:
    linear-gradient(150deg, rgba(96, 118, 156, 0.2) 0%, rgba(255, 255, 255, 0.04) 55%),
    var(--glass);
}
.trust-card:first-child p {
  max-width: 40em;
}
.trust-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
}
.trust-card p {
  margin-top: 0.55rem;
  font-size: 0.94rem;
  color: var(--ink-dim);
}

/* ---------- Band ---------- */
.band { text-align: center; }
.band-inner {
  max-width: 780px;
  margin-inline: auto;
  display: grid;
  gap: 1.6rem;
  justify-items: center;
}
.band .h2 { max-width: 18em; }
.band p { color: var(--ink-dim); max-width: 40em; }

/* ---------- Company ---------- */
.company-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
}
@media (min-width: 900px) {
  .company-grid { grid-template-columns: 4fr 7fr; }
}
.company-left p {
  margin-top: 1.4rem;
  color: var(--ink-dim);
  font-size: 0.98rem;
  max-width: 36em;
}
.person {
  padding-block: 1.7rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
}
.person:last-child { border-bottom: 1px solid var(--line); }
.person-name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.45rem;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}
.person-role {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.person-bio {
  color: var(--ink-dim);
  font-size: 0.95rem;
  max-width: 44em;
}

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact-inner {
  max-width: 680px;
  margin-inline: auto;
  display: grid;
  gap: 1.5rem;
  justify-items: center;
}
.contact p { color: var(--ink-dim); max-width: 36em; }
.contact .ask { margin-top: 0.4rem; }
.contact .hero-chip { margin-bottom: 0.4rem; }
.contact-mail {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
}
.contact-mail a:hover { color: var(--ink); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.6rem;
}
.footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 3rem;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-meta {
  display: grid;
  gap: 0.2rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
  text-align: right;
}
@media (max-width: 640px) {
  .footer-meta { text-align: left; }
}
.footer-meta a:hover { color: var(--ink); }

/* ---------- 시안 스위처 (발행 전 제거) ---------- */
.ver-switch {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 50;
  display: flex;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(15, 16, 17, 0.8);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-brd);
  border-radius: 999px;
  padding: 3px;
}
.ver-switch a {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  color: var(--ink-faint);
}
.ver-switch a:hover { color: var(--ink); }
.ver-switch a.on {
  background: var(--ink);
  color: #141414;
}

/* ---------- Ask 스레드 (AIR 도그푸딩 위젯) ---------- */
.ask-thread {
  margin-top: 1.1rem;
  width: min(560px, 100%);
  display: grid;
  gap: 0.9rem;
  text-align: left;
}
.ask-turn {
  background: rgba(20, 22, 26, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.ask-q {
  padding: 0.9rem 1.3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}
.ask-a {
  padding: 1rem 1.3rem 1.1rem;
  display: grid;
  gap: 0.7rem;
  justify-items: start;
}
.ask-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 0.26rem 0.65rem;
  white-space: nowrap;
}
.ask-a.is-answer .ask-tag { color: var(--ink); }
.ask-a.is-blocked .ask-tag,
.ask-a.is-error .ask-tag { border-style: dashed; }
.ask-a-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink-dim);
}
.ask-a.is-answer .ask-a-text { color: var(--ink); }
.ask-srcs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.ask-src {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-faint);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0.24rem 0.6rem;
}
.ask-followup { font-size: 0.85rem; }
.ask-followup a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  text-underline-offset: 3px;
}
.ask-dots {
  display: inline-flex;
  gap: 5px;
  padding: 0.3rem 0;
}
.ask-dots i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-dim);
  display: block;
  animation: askPulse 1.1s ease-in-out infinite;
}
.ask-dots i:nth-child(2) { animation-delay: 0.18s; }
.ask-dots i:nth-child(3) { animation-delay: 0.36s; }
@keyframes askPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .ask-dots i { animation: none; }
}