/* UININFO — shared site styles */
:root {
  --bg: #12151c;
  --bg-soft: #171b25;
  --card: #1b2130;
  --card-hover: #202739;
  --ink: #e8ecf5;
  --muted: #9aa3b8;
  --line: #2c3548;
  --accent: #d4a24c;      /* default / STUDIO MIL */
  --accent-ink: #12151c;
  --accent-uininfo: #4ea1d3;
  --accent-milsound: #e0568c;
  --accent-studiomil: #d4a24c;
  --radius: 14px;
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -10%, #212a40, var(--bg));
  color: var(--ink);
  font-family: "Pretendard", -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(18, 21, 28, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .bar {
  max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem;
  height: 4rem; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: baseline; gap: .4rem; font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; }
.logo .dot { color: var(--accent-studiomil); }
.logo small { font-weight: 500; font-size: .68rem; color: var(--muted); letter-spacing: .05em; }

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  padding: .55rem .9rem; border-radius: 999px; font-size: .92rem; font-weight: 600;
  color: var(--muted); border: 1px solid transparent;
}
.nav a:hover { color: var(--ink); }
.nav a.active { color: var(--ink); background: var(--card); border-color: var(--line); }
.nav a[data-cat="uininfo"].active { color: var(--accent-uininfo); border-color: var(--accent-uininfo); background: rgba(78,161,211,.1); }
.nav a[data-cat="milsound"].active { color: var(--accent-milsound); border-color: var(--accent-milsound); background: rgba(224,86,140,.1); }
.nav a[data-cat="studiomil"].active { color: var(--accent-studiomil); border-color: var(--accent-studiomil); background: rgba(212,162,76,.1); }

.menu-toggle {
  display: none; appearance: none; background: none; border: 1px solid var(--line);
  border-radius: 8px; width: 2.4rem; height: 2.4rem; cursor: pointer; position: relative;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 1.1rem; height: 2px;
  background: var(--ink); transform: translate(-50%, -50%); transition: transform .2s;
}
.menu-toggle span::before { transform: translate(-50%, -7px); }
.menu-toggle span::after { transform: translate(-50%, 7px); }
.menu-toggle.open span { background: transparent; }
.menu-toggle.open span::before { transform: translate(-50%, -50%) rotate(45deg); }
.menu-toggle.open span::after { transform: translate(-50%, -50%) rotate(-45deg); }

@media (max-width: 780px) {
  .menu-toggle { display: block; position: relative; z-index: 101; }
  .nav {
    position: fixed; top: 4rem; left: 0; right: 0; bottom: auto; z-index: 99;
    flex-direction: column; align-items: stretch;
    background: var(--bg-soft); border-bottom: 1px solid var(--line);
    padding: .6rem; gap: .3rem;
    opacity: 0; visibility: hidden; pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
  }
  .nav.open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
  .nav a { padding: .8rem 1rem; text-align: center; }
}

/* ---------- Hero ---------- */
.hero { padding-top: 4.5rem; padding-bottom: 3rem; }
.hero .eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  color: var(--accent); text-transform: uppercase; margin-bottom: .9rem;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0 0 1rem; line-height: 1.25; }
.hero p.lead { color: var(--muted); font-size: 1.08rem; max-width: 42rem; margin: 0 0 2rem; }

/* ---------- Category cards (home) ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 2rem 0 4rem; }
@media (max-width: 860px) { .cat-grid { grid-template-columns: 1fr; } }

.cat-card {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.9rem 1.7rem; transition: transform .18s ease, border-color .18s ease, background .18s ease;
  position: relative; overflow: hidden;
}
.cat-card:hover { transform: translateY(-4px); background: var(--card-hover); }
.cat-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
}
.cat-card.c-uininfo::before { background: var(--accent-uininfo); }
.cat-card.c-milsound::before { background: var(--accent-milsound); }
.cat-card.c-studiomil::before { background: var(--accent-studiomil); }
.cat-card:hover.c-uininfo { border-color: var(--accent-uininfo); }
.cat-card:hover.c-milsound { border-color: var(--accent-milsound); }
.cat-card:hover.c-studiomil { border-color: var(--accent-studiomil); }

.cat-card .tag {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  padding: .25rem .6rem; border-radius: 999px; margin-bottom: 1rem; text-transform: uppercase;
}
.c-uininfo .tag { color: var(--accent-uininfo); background: rgba(78,161,211,.12); }
.c-milsound .tag { color: var(--accent-milsound); background: rgba(224,86,140,.12); }
.c-studiomil .tag { color: var(--accent-studiomil); background: rgba(212,162,76,.12); }

.cat-card h2 { margin: 0 0 .6rem; font-size: 1.35rem; }
.cat-card p { margin: 0 0 1.1rem; color: var(--muted); font-size: .92rem; }
.cat-card .go { font-size: .85rem; font-weight: 700; color: var(--ink); }
.cat-card .go::after { content: " →"; }

/* ---------- Generic section / page header ---------- */
.page-hero { padding: 3.4rem 0 2.4rem; border-bottom: 1px solid var(--line); }
.page-hero .tag {
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .1em;
  padding: .3rem .7rem; border-radius: 999px; text-transform: uppercase; margin-bottom: 1rem;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin: 0 0 .8rem; }
.page-hero p { color: var(--muted); max-width: 40rem; margin: 0; font-size: 1.02rem; }

.hero-flex { display: flex; align-items: center; gap: 2rem; }
.hero-logo {
  flex: none; width: 8.5rem; height: 8.5rem; border-radius: 22px; overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.35); border: 1px solid var(--line);
  background: #f4f1e8; padding: .5rem; box-sizing: border-box;
}
.hero-logo img { width: 100%; height: 100%; object-fit: contain; }
.hero-logo.wide { width: 14rem; height: 7rem; }
@media (max-width: 640px) {
  .hero-flex { flex-direction: column; align-items: flex-start; gap: 1.2rem; }
  .hero-logo { width: 6rem; height: 6rem; border-radius: 16px; }
  .hero-logo.wide { width: 11rem; height: 5.5rem; }
}

.theme-uininfo .page-hero .tag { color: var(--accent-uininfo); background: rgba(78,161,211,.12); }
.theme-milsound .page-hero .tag { color: var(--accent-milsound); background: rgba(224,86,140,.12); }
.theme-studiomil .page-hero .tag { color: var(--accent-studiomil); background: rgba(212,162,76,.12); }

section.block { padding-top: 3rem; padding-bottom: 3rem; }
section.block h2 { font-size: 1.5rem; margin: 0 0 .5rem; }
section.block .sub { color: var(--muted); margin: 0 0 2rem; max-width: 40rem; }

/* ---------- Card grid (solutions / videos / games) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.item-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .7rem;
}
.item-card .icon {
  width: 2.6rem; height: 2.6rem; border-radius: 10px; display: grid; place-items: center;
  font-weight: 800; font-size: 1.1rem;
}
.theme-uininfo .item-card .icon { background: rgba(78,161,211,.14); color: var(--accent-uininfo); }
.theme-milsound .item-card .icon { background: rgba(224,86,140,.14); color: var(--accent-milsound); }
.theme-studiomil .item-card .icon { background: rgba(212,162,76,.14); color: var(--accent-studiomil); }
.item-card h3 { margin: 0; font-size: 1.1rem; }
.item-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.item-card .shot {
  display: block; border-radius: 10px; overflow: hidden; border: 1px solid var(--line);
  margin: 0 0 .2rem; background: #0d1018;
}
.item-card .shot img { width: 100%; aspect-ratio: 6/5; object-fit: cover; object-position: top; }

.subservice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; margin-top: 1.2rem; }
@media (max-width: 640px) { .subservice-grid { grid-template-columns: 1fr; } }
.subservice {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: .4rem;
}
.subservice .name { font-weight: 700; font-size: .95rem; color: var(--ink); }
.subservice .url { font-size: .76rem; color: var(--accent-uininfo); font-weight: 600; }
.subservice p { margin: 0; font-size: .84rem; color: var(--muted); }

.item-card .status {
  align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  padding: .25rem .55rem; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--muted);
}

.media-card { border-radius: var(--radius); overflow: hidden; background: var(--card); border: 1px solid var(--line); }
.media-card .thumb {
  aspect-ratio: 16/9; background: linear-gradient(135deg, #232a3b, #171b25);
  display: grid; place-items: center; color: var(--muted); font-size: .85rem; position: relative; overflow: hidden;
}
.media-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.media-card .thumb .play {
  position: absolute; inset: 0; display: grid; place-items: center; background: rgba(10,12,18,0);
  transition: background .15s ease;
}
.media-card:hover .thumb .play { background: rgba(10,12,18,.25); }
.media-card .thumb .play::after {
  content: ""; width: 0; height: 0; margin-left: 4px;
  border-style: solid; border-width: 10px 0 10px 16px; border-color: transparent transparent transparent #fff;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,.5));
}
.media-card .body { padding: 1.1rem 1.2rem 1.3rem; }
.media-card h3 { margin: 0 0 .4rem; font-size: 1rem; line-height: 1.4; }
.media-card p { margin: 0; color: var(--muted); font-size: .85rem; }

/* ---------- Streaming platform links ---------- */
.platform-row { display: flex; flex-wrap: wrap; gap: .8rem; }
.platform-link {
  display: flex; align-items: center; gap: .6rem; padding: .8rem 1.2rem;
  border-radius: 12px; background: var(--card); border: 1px solid var(--line);
  font-weight: 700; font-size: .9rem; min-width: 11rem;
}
.platform-link .picon { width: 28px; height: 28px; flex: none; }
.platform-link:hover { border-color: var(--accent-milsound); }
.platform-link .name { color: var(--ink); }
.platform-link .sub { display: block; font-size: .74rem; color: var(--muted); font-weight: 500; }

/* ---------- Portfolio cards (website builds) ---------- */
.portfolio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
@media (max-width: 780px) { .portfolio-grid { grid-template-columns: 1fr; } }
.portfolio-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.6rem 1.6rem; display: flex; flex-direction: column; gap: .7rem;
}
.portfolio-shots { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin: 0 0 .3rem; }
.portfolio-shots a { border-radius: 10px; overflow: hidden; border: 1px solid var(--line); display: block; background: #0d1018; }
.portfolio-shots img { width: 100%; aspect-ratio: 8/5; object-fit: cover; object-position: top; transition: transform .25s ease; }
.portfolio-shots a:hover img { transform: scale(1.04); }
.portfolio-card .ptag {
  display: inline-flex; align-items: center; gap: .4rem; align-self: flex-start;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  padding: .25rem .6rem; border-radius: 999px; background: rgba(78,161,211,.12); color: var(--accent-uininfo);
}
.portfolio-card h3 { margin: 0; font-size: 1.2rem; }
.portfolio-card .url { color: var(--accent-uininfo); font-size: .82rem; font-weight: 600; }
.portfolio-card p { margin: 0; color: var(--muted); font-size: .9rem; }
ul.features { list-style: none; margin: .2rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
ul.features li {
  font-size: .78rem; color: var(--ink); background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 999px; padding: .25rem .6rem;
}
.portfolio-card .visit { margin-top: .3rem; font-size: .85rem; font-weight: 700; color: var(--ink); }
.portfolio-card .visit::after { content: " ↗"; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; padding: .75rem 1.3rem;
  border-radius: 999px; font-weight: 700; font-size: .92rem; border: 1px solid transparent;
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn[disabled], .btn.disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }

.theme-uininfo .btn.primary { background: var(--accent-uininfo); color: #0b1d2b; }
.theme-milsound .btn.primary { background: var(--accent-milsound); color: #2b0b18; }
.theme-studiomil .btn.primary { background: var(--accent-studiomil); color: var(--accent-ink); }

/* ---------- Game detail hero ---------- */
.game-hero { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); margin: 2rem 0; }
.game-hero img { width: 100%; height: auto; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 3rem; padding: 2.6rem 0 3rem; color: var(--muted); font-size: .85rem; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (max-width: 780px) { .site-footer .cols { grid-template-columns: 1fr; gap: 1.6rem; } }
.site-footer h4 { color: var(--ink); font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; margin: 0 0 .8rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.site-footer a:hover { color: var(--ink); }
.site-footer .biz { border-top: 1px solid var(--line); padding-top: 1.4rem; line-height: 1.8; }
.site-footer .biz b { color: var(--ink); }

/* ---------- Utility ---------- */
.empty-state {
  border: 1px dashed var(--line); border-radius: var(--radius); padding: 2.2rem;
  text-align: center; color: var(--muted); background: var(--bg-soft);
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90;
  width: 3rem; height: 3rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); color: var(--ink);
  font-size: .62rem; font-weight: 700; letter-spacing: .02em; line-height: 1.1;
  cursor: pointer; box-shadow: 0 6px 20px rgba(0,0,0,.35);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s, border-color .2s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { border-color: var(--accent); color: var(--accent); }
.to-top .arrow { font-size: .9rem; line-height: 1; margin-bottom: .1rem; }
@media (max-width: 780px) {
  .to-top { right: 1rem; bottom: 1rem; width: 2.7rem; height: 2.7rem; }
}