/* ============ Tokens ============ */
:root {
  --bg: #0a0c10;
  --bg-alt: #0d1016;
  --panel: rgba(233, 236, 242, 0.04);
  --panel-hover: rgba(233, 236, 242, 0.07);
  --ink: #e9ecf2;
  --mut: #8b93a3;
  --line: rgba(233, 236, 242, 0.1);
  --acc: #3ddc84;
  --acc-dim: rgba(61, 220, 132, 0.14);
  --acc-ink: #07110b;
  --green-deep: #0f5132;
  --r: 18px;
  --container: 1140px;
}

/* ============ Fonts ============ */
@font-face { font-family: 'Pretendard'; font-weight: 400; font-display: swap; src: url('../assets/fonts/pretendard-400.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 500; font-display: swap; src: url('../assets/fonts/pretendard-500.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 600; font-display: swap; src: url('../assets/fonts/pretendard-600.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 700; font-display: swap; src: url('../assets/fonts/pretendard-700.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 800; font-display: swap; src: url('../assets/fonts/pretendard-800.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 900; font-display: swap; src: url('../assets/fonts/pretendard-900.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-weight: 400; font-display: swap; src: url('../assets/fonts/jetbrains-mono-400.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-weight: 600; font-display: swap; src: url('../assets/fonts/jetbrains-mono-600.woff2') format('woff2'); }

/* ============ Base ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Pretendard', -apple-system, 'Malgun Gothic', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.mono { font-family: 'JetBrains Mono', 'Pretendard', monospace; }
.acc { color: var(--acc); }
.mut { color: var(--mut); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 4px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section { padding: 150px 0; position: relative; }
.section-alt { background: var(--bg-alt); }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--acc);
  margin-bottom: 22px;
}
h2 {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 18px;
}
.lead { font-size: 19px; color: var(--mut); max-width: 46em; margin-bottom: 56px; }

/* ============ Progress + Nav ============ */
#progressBar {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%;
  background: var(--acc); transform: scaleX(0); transform-origin: 0 50%;
  z-index: 90; pointer-events: none;
}
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 60px;
  background: rgba(10, 12, 16, 0.7);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.nav-logo { font-size: 17px; font-weight: 600; letter-spacing: 0.04em; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 13.5px; color: var(--mut); transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  color: var(--acc) !important;
  border: 1px solid rgba(61, 220, 132, 0.35);
  padding: 7px 16px; border-radius: 99px;
  transition: background 0.2s, color 0.2s;
}
.nav-cta:hover { background: var(--acc); color: var(--acc-ink) !important; }

/* ============ Hero ============ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
}
#net { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 2; width: 100%; padding-top: 60px; }
.hero-eyebrow { margin-bottom: 30px; }
.hero-title {
  font-size: clamp(42px, 7vw, 92px);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.06;
  margin-bottom: 34px;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .word { display: inline-block; }
.hero-title em { font-style: normal; color: var(--acc); }
.hero-sub { font-size: 19px; color: var(--mut); max-width: 40em; margin-bottom: 64px; }
.hero-stats {
  display: flex; gap: 64px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 30px;
}
.hero-stats > div { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 34px; font-weight: 600; letter-spacing: -0.02em; }
.hero-stats strong .u { font-size: 19px; color: var(--acc); margin-left: 2px; }
.hero-stats > div > small { font-size: 13px; color: var(--mut); margin-top: 6px; }
.scroll-cue {
  position: absolute; right: 40px; bottom: 36px; z-index: 2;
  font-size: 11px; letter-spacing: 0.3em; color: var(--mut);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.cue-line { width: 1px; height: 48px; background: linear-gradient(var(--acc), transparent); display: block; }

/* ============ Bento / cards ============ */
.bento {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-bottom: 16px;
}
.tile {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px 26px; display: flex; flex-direction: column; gap: 6px;
  transition: background 0.25s, border-color 0.25s;
}
.tile:hover { background: var(--panel-hover); border-color: rgba(233, 236, 242, 0.2); }
.tile-wide { grid-column: span 2; }
.tile-label { font-size: 11px; letter-spacing: 0.16em; color: var(--mut); text-transform: uppercase; }
.tile strong { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.tile-sub { font-size: 13px; color: var(--mut); }

.cap-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.cap {
  border: 1px solid var(--line); border-radius: var(--r); padding: 22px;
  background: transparent; transition: border-color 0.25s;
}
.cap:hover { border-color: rgba(61, 220, 132, 0.4); }
.cap > span { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; }
.cap p { font-size: 13.5px; color: var(--mut); margin-top: 10px; line-height: 1.55; }

/* ============ Timeline ============ */
.timeline { position: relative; padding-left: 44px; }
.tl-spine {
  position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
  background: var(--line); overflow: hidden;
}
.tl-fill {
  display: block; width: 100%; height: 100%;
  background: linear-gradient(var(--acc), rgba(61, 220, 132, 0.25));
  transform: scaleY(0); transform-origin: 0 0;
}
.tl-item { position: relative; padding-bottom: 44px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -43px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--bg-alt); border: 2px solid var(--mut);
}
.tl-item.is-now .tl-dot { background: var(--acc); border-color: var(--acc); box-shadow: 0 0 0 6px var(--acc-dim); }
.tl-date { font-size: 12.5px; color: var(--mut); letter-spacing: 0.02em; }
.tl-item.is-now .tl-date { color: var(--acc); }
.tl-item h3 { font-size: 21px; font-weight: 700; margin: 6px 0 6px; letter-spacing: -0.01em; }
.tl-item p { font-size: 15px; color: var(--mut); max-width: 44em; }

/* ============ Stack ============ */
.stack-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 28px;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.card:hover { background: var(--panel-hover); }
.card h3 { font-size: 17px; font-weight: 700; }
.card-sub { font-size: 13px; color: var(--mut); margin: 4px 0 16px; }
.card p { font-size: 14px; color: var(--mut); line-height: 1.6; margin-top: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 13.5px; padding: 7px 14px; border-radius: 99px;
  border: 1px solid var(--line); color: var(--ink);
}
.chip-acc { background: var(--acc-dim); border-color: transparent; color: var(--acc); font-weight: 600; }

.banner {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px 28px; margin-top: 14px;
}
.banner-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.banner-head h3 { font-size: 16px; font-weight: 700; }
.banner-head span { font-size: 12px; color: var(--mut); letter-spacing: 0.04em; }

/* ============ How I work ============ */
.steps {
  list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  counter-reset: step;
}
.steps li {
  border: 1px solid var(--line); border-radius: var(--r); padding: 26px;
  position: relative; background: var(--panel);
}
.step-num { font-size: 13px; color: var(--acc); font-weight: 600; letter-spacing: 0.1em; }
.steps h3 { font-size: 18px; font-weight: 700; margin: 12px 0 8px; }
.steps p { font-size: 13.5px; color: var(--mut); line-height: 1.6; }
.steps-note { font-size: 12px; color: var(--mut); letter-spacing: 0.08em; margin: 18px 0 56px; }
.ctx-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 56px; }
.ctx-grid h3 { margin-top: 10px; }

.asis { display: grid; grid-template-columns: 1fr auto 1fr; gap: 22px; align-items: stretch; }
.asis-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; }
.asis-card h3 { font-size: 21px; font-weight: 700; margin: 8px 0 10px; }
.asis-card p { font-size: 14px; color: var(--mut); line-height: 1.6; }
.asis-arrow { display: flex; align-items: center; font-size: 26px; }
.asis-tobe { background: var(--green-deep); border-color: transparent; }
.asis-tobe .tile-label, .asis-tobe p { color: rgba(255, 255, 255, 0.75); }

/* ============ Work index ============ */
.work-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.work-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px; display: block;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.work-card:hover { background: var(--panel-hover); border-color: rgba(61, 220, 132, 0.4); transform: translateY(-3px); }
.work-card > span { font-size: 12.5px; color: var(--mut); letter-spacing: 0.04em; }
.work-card h3 { font-size: 23px; font-weight: 700; margin: 10px 0 8px; letter-spacing: -0.01em; }
.work-card p { font-size: 14.5px; color: var(--mut); }
.work-card-hero { background: var(--green-deep); border-color: transparent; }
.work-card-hero > span { color: var(--acc); }
.work-card-hero p { color: rgba(255, 255, 255, 0.75); }
.work-card-hero:hover { background: #13603c; }

/* ============ Projects ============ */
.proj .lead { margin-bottom: 48px; }
.table { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; margin-bottom: 48px; }
.tr { display: grid; grid-template-columns: 0.9fr 1.2fr 1.4fr 0.6fr; font-size: 15px; border-top: 1px solid var(--line); }
.tr.th { border-top: 0; background: var(--panel); font-size: 12.5px; font-weight: 600; color: var(--mut); letter-spacing: 0.04em; }
.tr > span { padding: 15px 20px; }
.tr .mono { font-weight: 600; font-size: 13.5px; }

.diagram { margin-bottom: 48px; }
.diagram-cap { font-size: 12px; color: var(--mut); letter-spacing: 0.12em; margin-bottom: 20px; }

.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 16px; }
.pillar-grid h3 { margin-top: 10px; font-size: 17px; }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 16px; }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 26px;
}
.stat strong { font-size: 28px; font-weight: 600; letter-spacing: -0.01em; display: block; }
.stat small { font-size: 12.5px; color: var(--mut); margin-top: 4px; display: block; }

.why {
  background: var(--green-deep); border-radius: var(--r); padding: 34px;
}
.why .tile-label { color: rgba(255, 255, 255, 0.6); }
.why h3 { font-size: 23px; font-weight: 700; margin: 8px 0 10px; letter-spacing: -0.01em; }
.why p { font-size: 15.5px; color: rgba(255, 255, 255, 0.82); line-height: 1.65; max-width: 60em; }

/* P.02 phones */
.phone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 48px; }
.phone {
  aspect-ratio: 1080 / 2340; background: #000; border-radius: 28px; padding: 7px;
  border: 1px solid var(--line);
}
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 22px; }
figure figcaption { font-size: 11.5px; color: var(--mut); margin-top: 12px; text-align: center; letter-spacing: 0.02em; }

/* P.03 revenue */
.rev-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rev-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 30px;
  display: flex; flex-direction: column; gap: 6px;
}
.rev-card strong { font-size: 52px; font-weight: 600; letter-spacing: -0.02em; }
.rev-acc { background: var(--green-deep); border-color: transparent; }
.rev-acc .tile-label, .rev-acc .tile-sub { color: rgba(255, 255, 255, 0.65); }
.rev-acc strong { color: var(--acc); }
.fineprint { font-size: 12.5px; color: var(--mut); margin: 14px 0 48px; }
.waterfall { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; margin-bottom: 48px; }
.wf {
  flex: 1; min-width: 120px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 16px 18px;
}
.wf span { font-size: 11px; letter-spacing: 0.08em; color: var(--mut); }
.wf span.acc { color: var(--acc); }
.wf strong { display: block; font-size: 16px; font-weight: 700; margin-top: 6px; }
.wf-sep { display: flex; align-items: center; color: var(--mut); }

/* P.04 auto */
.auto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 32px; }
.auto-shot {
  aspect-ratio: 800 / 480; background: #000; border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
}
.auto-shot img { width: 100%; height: 100%; object-fit: cover; }
.note {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 22px 26px; font-size: 14px; color: var(--mut); line-height: 1.65; margin-bottom: 48px;
}
.note strong { color: var(--ink); }
.auto-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.auto-h { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.sm-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.sm {
  display: flex; align-items: center; gap: 14px; padding: 12px 16px;
  border: 1px solid var(--line); border-radius: 12px; font-size: 15px;
}
.sm-n {
  width: 28px; height: 28px; border-radius: 8px; background: var(--panel);
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 13px;
}
.sm-on { border-color: rgba(61, 220, 132, 0.5); background: rgba(61, 220, 132, 0.05); font-weight: 600; }
.sm-on .sm-n { background: var(--acc); color: var(--acc-ink); }
.sm-r { margin-left: auto; font-size: 12px; }
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.mini-stats .stat strong { font-size: 24px; }

/* ============ Contact ============ */
.contact { padding-bottom: 80px; }
.contact-title { font-size: clamp(44px, 6vw, 76px); }
.contact .lead { margin-bottom: 56px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 920px; }
.contact-grid a {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 26px; display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.25s, background 0.25s;
}
.contact-grid a:hover { border-color: rgba(61, 220, 132, 0.5); background: var(--panel-hover); }
.contact-grid strong { font-size: 16px; font-weight: 600; }
.foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  border-top: 1px solid var(--line); margin-top: 88px; padding-top: 26px;
  font-size: 11.5px; color: var(--mut); letter-spacing: 0.12em;
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .phone-grid { grid-template-columns: repeat(2, 1fr); }
  .auto-grid { grid-template-columns: 1fr; }
  .auto-cols { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .section { padding: 100px 0; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero-stats { gap: 32px; }
  .bento, .cap-grid, .work-grid, .ctx-grid, .pillar-grid, .stat-row, .rev-grid, .contact-grid { grid-template-columns: 1fr; }
  .tile-wide { grid-column: span 1; }
  .steps { grid-template-columns: 1fr; }
  .asis { grid-template-columns: 1fr; }
  .asis-arrow { transform: rotate(90deg); justify-content: center; }
  .tr { grid-template-columns: 1fr 1fr; }
  .tr > span:nth-child(2) { display: none; }
  .tr.th > span:nth-child(2) { display: none; }
  .scroll-cue { display: none; }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}