/* =========================================================
   MERGE — Data Insight Club
   Cyberpunk / Growth / Convergence
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;600;700&family=IBM+Plex+Sans+KR:wght@300;400;500;600&display=swap');

:root {
  --navy:        #0B0D1B;
  --navy-2:      #0D0E15;
  --pink:        #FF2A85;
  --purple:      #9D4EDD;
  --ink:         #EAECF5;
  --ink-dim:     rgba(234, 236, 245, .62);
  --ink-faint:   rgba(234, 236, 245, .38);
  --line:        rgba(157, 78, 221, .22);
  --glass:       rgba(255, 255, 255, .035);

  --display: 'Chakra Petch', 'IBM Plex Sans KR', system-ui, sans-serif;
  --body:    'IBM Plex Sans KR', system-ui, -apple-system, sans-serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--navy);
}

body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--navy);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--pink); color: #fff; }

/* subtle film grain over everything */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 90;
  pointer-events: none;
  opacity: .05;
  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='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.1s steps(4) infinite;
}
@keyframes grain {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-3%, 2%); }
  50%  { transform: translate(2%, -3%); }
  75%  { transform: translate(-2%, -2%); }
  100% { transform: translate(3%, 1%); }
}

/* ---------------- media slot (video + canvas fallback) ---------------- */
.media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--navy-2);
}
.media__video,
.media__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media__video { opacity: 0; transition: opacity .8s var(--ease); z-index: 2; }
.media.has-video .media__video { opacity: 1; }
.media.has-video .media__canvas { opacity: 0; }
.media__canvas { transition: opacity .8s var(--ease); z-index: 1; }

/* ---------------- nav ---------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(20px, 4vw, 56px);
  transition: background .4s var(--ease), backdrop-filter .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(11, 13, 27, .72);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .18em;
  color: var(--ink);
  text-decoration: none;
}
.nav__logo span { color: var(--pink); animation: blink 1.4s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.nav__links { display: flex; gap: 28px; }
.nav__links a {
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color .25s;
}
.nav__links a:hover { color: var(--pink); }

.nav__cta {
  font-family: var(--display);
  font-size: 12.5px;
  letter-spacing: .12em;
  text-decoration: none;
  color: var(--ink);
  padding: 9px 18px;
  border: 1px solid rgba(255, 42, 133, .5);
  border-radius: 999px;
  transition: box-shadow .3s, background .3s, border-color .3s;
}
.nav__cta:hover {
  background: rgba(255, 42, 133, .12);
  border-color: var(--pink);
  box-shadow: 0 0 22px rgba(255, 42, 133, .35);
}

/* ---------------- section 1 : hero ---------------- */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.hero__vignette {
  position: absolute; inset: 0; z-index: 3;
  background:
    radial-gradient(ellipse at 50% 55%, transparent 30%, rgba(11,13,27,.72) 82%),
    linear-gradient(to bottom, rgba(11,13,27,.55) 0%, transparent 25%, transparent 65%, var(--navy) 100%);
}
.hero__inner {
  position: relative;
  z-index: 4;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
  will-change: transform, opacity;
}
/* 텍스트 뒤에만 은은한 스크림 — 배경 입자와 겹쳐도 잘 읽히도록 */
.hero__inner::before {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: min(820px, 94%);
  height: min(560px, 66%);
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
      rgba(8, 10, 22, .82) 0%,
      rgba(8, 10, 22, .55) 42%,
      rgba(8, 10, 22, 0) 74%);
  filter: blur(12px);
}
.hero__eyebrow {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: .5em;
  color: var(--pink);
  margin-bottom: 22px;
  text-shadow: 0 0 18px rgba(255, 42, 133, .7);
}
.hero__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(64px, 15vw, 210px);
  line-height: .92;
  letter-spacing: .04em;
  background: linear-gradient(180deg, #fff 20%, #C9B6FF 60%, var(--purple) 105%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 46px rgba(157, 78, 221, .45));
}
.hero__slogan {
  font-family: var(--display);
  font-size: clamp(14px, 2.2vw, 22px);
  letter-spacing: .34em;
  margin-top: 18px;
  color: var(--ink);
  text-shadow: 0 2px 22px rgba(6, 8, 18, .85), 0 0 8px rgba(6, 8, 18, .6);
}
.hero__desc {
  margin-top: 16px;
  font-size: clamp(13px, 1.5vw, 15.5px);
  color: var(--ink);
  font-weight: 300;
  letter-spacing: .02em;
  text-shadow: 0 2px 18px rgba(6, 8, 18, .9), 0 0 6px rgba(6, 8, 18, .7);
}
.hero__hl {
  font-weight: 600;
  background: linear-gradient(100deg, var(--pink), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 10px rgba(255, 42, 133, .45));
}
.hero__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}
.hero__tags li {
  font-family: var(--display);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-dim);
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(157, 78, 221, .06);
  backdrop-filter: blur(4px);
}

.hero__scroll {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--display);
  font-size: 10px;
  letter-spacing: .38em;
  color: var(--ink-faint);
}
.hero__scroll i {
  width: 1px; height: 46px;
  background: linear-gradient(to bottom, var(--pink), transparent);
  animation: drop 1.9s var(--ease) infinite;
}
@keyframes drop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  60%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ---------------- section 2 : growth journey ---------------- */
.journey { position: relative; background: var(--navy); }
.journey__track { height: 400vh; position: relative; }
.journey__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-columns: 60% 40%;
  overflow: hidden;
}

.journey__visual { position: relative; overflow: hidden; }
.journey__media {
  opacity: 0;
  transition: opacity .7s var(--ease);
}
.journey__media.is-active { opacity: 1; }
.journey__visualFade {
  position: absolute; inset: 0; z-index: 5;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 40% 50%, transparent 40%, rgba(11,13,27,.55) 100%),
    linear-gradient(to right, transparent 60%, var(--navy) 99%);
}
.journey__progress {
  position: absolute;
  left: clamp(24px, 4vw, 56px);
  bottom: 48px;
  z-index: 6;
  width: min(260px, 40%);
  height: 2px;
  background: rgba(255, 255, 255, .12);
}
.journey__progressBar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--pink));
  box-shadow: 0 0 14px rgba(255, 42, 133, .8);
}

.journey__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(28px, 5vw, 76px);
  border-left: 1px solid var(--line);
  background: linear-gradient(to right, rgba(157,78,221,.05), transparent 40%);
}
.journey__kicker {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: .32em;
  color: var(--pink);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.journey__heading {
  font-family: var(--display);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: .01em;
  margin-bottom: 34px;
}
.journey__steps { position: relative; min-height: 340px; }

.step {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
  pointer-events: none;
}
.step.is-active { opacity: 1; transform: none; pointer-events: auto; }

.step__level {
  display: inline-block;
  font-family: var(--display);
  font-size: 11.5px;
  letter-spacing: .22em;
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--pink);
  border: 1px solid rgba(255, 42, 133, .38);
  background: rgba(255, 42, 133, .07);
  margin-bottom: 20px;
}
.step__title {
  font-family: var(--display);
  font-size: clamp(30px, 3.6vw, 52px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: .01em;
  background: linear-gradient(100deg, #fff, #E3D3FF 55%, var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.step__lead {
  margin: 16px 0 26px;
  color: var(--ink-dim);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.75;
}
.step__list { list-style: none; display: grid; gap: 12px; }
.step__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--ink);
  font-weight: 300;
  line-height: 1.6;
}
.step__list li::before {
  content: '';
  position: absolute;
  left: 0; top: .62em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--pink);
  box-shadow: 0 0 12px var(--pink);
  transform: rotate(45deg);
}

.journey__dots { list-style: none; display: flex; gap: 10px; margin-top: 44px; }
.journey__dots li {
  width: 26px; height: 2px;
  background: rgba(255,255,255,.16);
  transition: background .4s, box-shadow .4s;
}
.journey__dots li.is-active {
  background: var(--pink);
  box-shadow: 0 0 12px var(--pink);
}

/* ---------------- section 3 : culture (horizontal) ---------------- */
.culture { position: relative; background: var(--navy); }
.culture__track { height: 340vh; position: relative; }
.culture__sticky {
  position: sticky; top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(157,78,221,.13), transparent 55%),
    radial-gradient(circle at 85% 75%, rgba(255,42,133,.10), transparent 55%),
    linear-gradient(var(--navy), var(--navy));
}
.culture__sticky::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(157,78,221,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157,78,221,.10) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 20%, transparent 78%);
  pointer-events: none;
}
.culture__head {
  position: relative;
  padding: 0 clamp(24px, 6vw, 96px);
  margin-bottom: 46px;
}
.culture__kicker {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: .32em;
  color: var(--pink);
  margin-bottom: 14px;
}
.culture__title {
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 68px);
  font-weight: 700;
  letter-spacing: .01em;
}

.culture__rail {
  position: relative; /* 자식 offsetLeft 기준점 (main.js 이동거리 계산) */
  display: flex;
  gap: 26px;
  padding: 0 clamp(24px, 6vw, 96px);
  will-change: transform;
}

.card {
  position: relative;
  flex: 0 0 min(360px, 76vw);
  min-height: 320px;
  padding: 32px 30px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .45s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%),
              rgba(255,42,133,.16), transparent 62%);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 42, 133, .55);
  box-shadow: 0 24px 60px -24px rgba(255, 42, 133, .5);
}
.card:hover::after { opacity: 1; }

.card h3 {
  font-family: var(--display);
  font-size: 25px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .01em;
}
.card p {
  color: var(--ink-dim);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.8;
}
.card__no {
  font-family: var(--display);
  font-size: 42px;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(157, 78, 221, .55);
  line-height: 1;
}
.card__tag {
  align-self: flex-start;
  font-family: var(--display);
  font-size: 10.5px;
  letter-spacing: .26em;
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--purple);
  border: 1px solid rgba(157, 78, 221, .4);
}
.card--hl { background: rgba(157, 78, 221, .07); }
.card--hl h3 { font-size: 22px; }

/* ---------------- section 3.5 : projects ---------------- */
.projects {
  position: relative;
  background:
    radial-gradient(circle at 80% 0%, rgba(157,78,221,.10), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(255,42,133,.08), transparent 45%),
    var(--navy);
  padding: clamp(80px, 12vh, 150px) clamp(20px, 5vw, 80px) clamp(60px, 9vh, 110px);
}
.projects__head { max-width: 900px; margin: 0 auto clamp(40px, 6vh, 70px); text-align: center; }
.projects__kicker {
  font-family: var(--display);
  font-size: 11px; letter-spacing: .34em; color: var(--pink); margin-bottom: 16px;
}
.projects__title {
  font-family: var(--display);
  font-size: clamp(32px, 5vw, 60px); font-weight: 700; letter-spacing: .01em;
}
.projects__sub {
  margin-top: 16px; color: var(--ink-dim); font-weight: 300;
  font-size: clamp(14px, 1.5vw, 16px); line-height: 1.8;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
  gap: 26px;
  max-width: 1220px;
  margin: 0 auto;
}

.pcard {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.pcard:hover {
  transform: translateY(-8px);
  border-color: rgba(157, 78, 221, .55);
  box-shadow: 0 30px 70px -30px rgba(157, 78, 221, .6);
}
.pcard__viz {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0A0D1F;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  overflow: hidden;
}
.pcard__viz canvas { width: 100%; height: 100%; display: block; }
.pcard__viz::after {
  content: '결과 대시보드 보기';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 13px; letter-spacing: .1em;
  color: #fff; background: rgba(11, 13, 27, .62);
  opacity: 0; transition: opacity .35s;
}
.pcard__viz:hover::after { opacity: 1; }
.pcard__no {
  position: absolute; top: 12px; left: 14px;
  font-family: var(--display); font-size: 13px; letter-spacing: .1em;
  color: var(--pink); background: rgba(11,13,27,.6);
  padding: 3px 9px; border-radius: 6px; border: 1px solid rgba(255,42,133,.4);
}
.pcard__body { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.pcard__title {
  font-family: var(--display); font-size: 20px; font-weight: 700; line-height: 1.3;
}
.pcard__sub { color: var(--ink-dim); font-weight: 300; font-size: 13.5px; line-height: 1.6; }
.pcard__feat { list-style: none; display: grid; gap: 8px; }
.pcard__feat li {
  position: relative; padding-left: 18px; font-size: 13px; font-weight: 300;
  color: var(--ink); line-height: 1.55;
}
.pcard__feat li::before {
  content: ''; position: absolute; left: 0; top: .55em;
  width: 6px; height: 6px; border-radius: 2px; transform: rotate(45deg);
  background: var(--purple); box-shadow: 0 0 8px var(--purple);
}
.pcard__stack { display: flex; flex-wrap: wrap; gap: 7px; }
.pcard__stack span {
  font-family: var(--display); font-size: 11px; letter-spacing: .04em;
  padding: 4px 10px; border-radius: 999px;
  color: var(--ink-dim); border: 1px solid var(--line); background: rgba(157,78,221,.06);
}
.pcard__more {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--display); font-size: 13px; letter-spacing: .08em;
  color: var(--pink); background: none; border: 0; cursor: pointer;
  padding: 6px 0; display: inline-flex; gap: 8px; align-items: center;
  transition: gap .3s;
}
.pcard__more i { font-style: normal; transition: transform .3s; }
.pcard__more:hover { gap: 12px; }
.pcard__more:hover i { transform: translateX(3px); }

/* 정기 활동 */
.activities { max-width: 1220px; margin: clamp(56px, 8vh, 90px) auto 0; }
.activities__kicker {
  font-family: var(--display); font-size: 11px; letter-spacing: .34em;
  color: var(--pink); text-align: center; margin-bottom: 26px;
}
.activities__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px;
}
.act {
  padding: 26px 22px; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(255,255,255,.03); transition: border-color .4s, transform .4s;
}
.act:hover { border-color: rgba(255,42,133,.4); transform: translateY(-4px); }
.act__ic {
  display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: 10px; font-size: 20px; margin-bottom: 14px;
  color: var(--pink); background: rgba(255,42,133,.1); border: 1px solid rgba(255,42,133,.28);
}
.act h4 { font-family: var(--display); font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.act p { color: var(--ink-dim); font-weight: 300; font-size: 13px; line-height: 1.6; }

/* project modal */
.pmodal {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  visibility: hidden; opacity: 0;
  transition: opacity .35s var(--ease), visibility .35s;
}
.pmodal.is-open { visibility: visible; opacity: 1; }
.pmodal__backdrop { position: absolute; inset: 0; background: rgba(6, 7, 16, .8); backdrop-filter: blur(6px); }
.pmodal__panel {
  position: relative;
  width: min(920px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: linear-gradient(var(--navy-2), var(--navy));
  border: 1px solid rgba(157,78,221,.4);
  border-radius: 20px;
  box-shadow: 0 40px 120px -30px rgba(157,78,221,.6);
  transform: translateY(24px) scale(.98);
  transition: transform .4s var(--ease);
}
.pmodal.is-open .pmodal__panel { transform: none; }
.pmodal__close {
  position: sticky; top: 14px; float: right; margin: 14px 14px 0 0; z-index: 3;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(11,13,27,.7); color: var(--ink); cursor: pointer;
  border: 1px solid var(--line); font-size: 15px;
  transition: background .3s, border-color .3s;
}
.pmodal__close:hover { background: rgba(255,42,133,.2); border-color: var(--pink); }
.pmodal__body { padding: 0 clamp(22px, 4vw, 46px) clamp(28px, 5vw, 46px); }
.pmodal__viz {
  aspect-ratio: 16 / 9; margin: 8px 0 26px;
  border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: #0A0D1F;
}
.pmodal__viz canvas { width: 100%; height: 100%; display: block; }
.pmodal__no {
  font-family: var(--display); font-size: 12px; letter-spacing: .2em; color: var(--pink);
}
.pmodal__head h3 {
  font-family: var(--display); font-size: clamp(22px, 3vw, 32px); font-weight: 700;
  margin: 10px 0 8px; line-height: 1.2;
}
.pmodal__head p { color: var(--ink-dim); font-weight: 300; font-size: 14.5px; margin-bottom: 16px; }
.pmodal__feat { margin: 30px 0 8px; }
.pmodal__feat h4, .pmodal__phases h5 { font-family: var(--display); }
.pmodal__feat h4 {
  font-size: 13px; letter-spacing: .16em; color: var(--pink); margin-bottom: 14px;
}
.pmodal__feat ul { list-style: none; display: grid; gap: 10px; }
.pmodal__feat li {
  position: relative; padding-left: 20px; font-size: 14px; font-weight: 300;
  color: var(--ink); line-height: 1.6;
}
.pmodal__feat li::before {
  content: ''; position: absolute; left: 0; top: .55em;
  width: 6px; height: 6px; border-radius: 2px; transform: rotate(45deg);
  background: var(--pink); box-shadow: 0 0 8px var(--pink);
}
.pmodal__phases { list-style: none; display: grid; gap: 4px; margin-top: 30px; }
.pmodal__phases li {
  display: grid; grid-template-columns: 40px 1fr; gap: 16px;
  padding: 20px 0; border-top: 1px solid var(--line);
}
.pmodal__step {
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--purple));
}
.pmodal__phases h5 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.pmodal__phases p { color: var(--ink-dim); font-weight: 300; font-size: 14px; line-height: 1.75; }
.pmodal__repo {
  margin-top: 26px; padding: 16px 20px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(157,78,221,.07);
  font-family: var(--display); font-size: 13.5px; letter-spacing: .04em; color: var(--ink-dim);
  display: flex; align-items: center; gap: 10px;
}
.pmodal__repo code { color: var(--pink); font-family: var(--display); }
.pmodal__repoicon { color: var(--purple); }

/* ---------------- section 4 : join ---------------- */
.join {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.join::before {
  content: '';
  position: absolute; inset: 0; z-index: 3;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 25%, rgba(11,13,27,.8) 85%),
    linear-gradient(to bottom, var(--navy), transparent 22%, transparent 78%, var(--navy));
}
.join__spot {
  position: absolute;
  z-index: 4;
  width: 620px; height: 620px;
  left: 0; top: 0;
  margin: -310px 0 0 -310px;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,42,133,.20), rgba(157,78,221,.10) 42%, transparent 68%);
  transition: opacity .5s;
  will-change: transform;
}
.join__inner {
  position: relative;
  z-index: 5;
  padding: 140px clamp(24px, 6vw, 96px) 40px;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
}
.join__kicker {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: .34em;
  color: var(--pink);
  margin-bottom: 16px;
}
.join__title {
  font-family: var(--display);
  font-size: clamp(36px, 6vw, 84px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: .01em;
}
.join__title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--pink), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.join__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  margin: 52px 0 48px;
}
.info {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(8px);
}
.info h4 {
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--pink);
  margin-bottom: 12px;
}
.info p {
  color: var(--ink-dim);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.8;
}

.glowbtn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 19px 54px;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: .16em;
  color: #fff;
  background: linear-gradient(100deg, var(--pink), var(--purple));
  box-shadow: 0 0 0 rgba(255,42,133,0);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  isolation: isolate;
}
.glowbtn::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: linear-gradient(100deg, var(--pink), var(--purple), var(--pink));
  background-size: 220% 100%;
  filter: blur(16px);
  opacity: .45;
  z-index: -1;
  transition: opacity .35s, filter .35s;
}
.glowbtn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 50px -12px rgba(255, 42, 133, .75);
}
.glowbtn:hover::before {
  opacity: .95;
  filter: blur(26px);
  animation: slide 2.4s linear infinite;
}
@keyframes slide { to { background-position: 220% 0; } }

.join__note {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--ink-faint);
  font-weight: 300;
}

.foot {
  position: relative;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 30px clamp(24px, 6vw, 96px);
  border-top: 1px solid var(--line);
  font-family: var(--display);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--ink-faint);
  margin-top: 60px;
}

/* ---------------- reveal ---------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------------- responsive ---------------- */
@media (max-width: 600px) {
  /* 모바일 Hero — 화면을 가득 채우도록 확대 */
  .hero__inner { padding: 0 20px; justify-content: center; }
  .hero__eyebrow { font-size: 11px; letter-spacing: .44em; margin-bottom: 18px; }
  .hero__title { font-size: clamp(80px, 24vw, 130px); letter-spacing: .02em; }
  .hero__slogan { font-size: 15px; letter-spacing: .18em; margin-top: 14px; }
  .hero__desc { font-size: 14px; max-width: 300px; margin-left: auto; margin-right: auto; }
  .hero__tags { margin-top: 24px; gap: 8px; }
  .hero__tags li { font-size: 12px; padding: 7px 13px; }
}

@media (max-width: 900px) {
  .nav__links { display: none; }

  .journey__track { height: 340vh; }
  .journey__sticky { grid-template-columns: 1fr; grid-template-rows: 42% 58%; }
  .journey__panel {
    border-left: 0;
    border-top: 1px solid var(--line);
    justify-content: flex-start;
    padding-top: 30px;
    overflow-y: auto;
  }
  .journey__kicker { margin-bottom: 20px; }
  .journey__steps { min-height: 300px; }
  .journey__visualFade {
    background:
      radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(11,13,27,.5) 100%),
      linear-gradient(to bottom, transparent 55%, var(--navy) 99%);
  }
  .journey__progress { bottom: 20px; width: 45%; }

  .culture__track { height: 300vh; }
  .card { flex-basis: min(320px, 78vw); min-height: 280px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain { display: none; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}