@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css");

:root {
  --font-sans: "Pretendard", "Noto Sans KR", system-ui, -apple-system, "Segoe UI",
    Roboto, Arial, sans-serif;

  /* Dark only (requested) */
  --bg0: #0a1333;
  --bg1: #101b44;
  --card: rgba(255, 255, 255, 0.08);
  --card2: rgba(255, 255, 255, 0.14);
  --stroke: rgba(255, 255, 255, 0.18);
  --stroke2: rgba(255, 255, 255, 0.26);
  --text: rgba(255, 255, 255, 0.94);
  --muted: rgba(255, 255, 255, 0.70);

  --shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(105, 255, 226, 0.14), transparent 55%),
    radial-gradient(900px 500px at 85% 15%, rgba(255, 194, 94, 0.14), transparent 55%),
    radial-gradient(900px 700px at 50% 90%, rgba(138, 152, 255, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

/* Futuristic but calm overlays: grid + subtle noise + spotlight */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.22;
  mix-blend-mode: overlay;
  mask-image: radial-gradient(900px 560px at 50% 12%, rgba(0,0,0,1), rgba(0,0,0,0) 70%);
}
body::after{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(460px 340px at var(--mx, 50%) var(--my, 30%), rgba(105,255,226,0.16), transparent 62%),
    radial-gradient(560px 400px at var(--mx, 50%) var(--my, 30%), rgba(138,152,255,0.12), transparent 68%),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px, transparent 2px, transparent 7px);
  opacity: 0.72;
}

/* Dark-only tuning */
body::before{ opacity: 0.22; }

.page, .hero, .grid, .footer{ position: relative; z-index: 1; }

.page {
  min-height: 100vh;
  padding: 56px 20px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  position: relative;
}

.topLinks{
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 45;
  display:flex;
  gap: 10px;
  align-items:center;
}
.topLink{
  text-decoration: none;
  color: rgba(255,255,255,0.86);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -0.02em;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.20);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.topLink:hover{ transform: translateY(-1px); border-color: rgba(105,255,226,0.40); background: rgba(0,0,0,0.28); }
.topLink:active{ transform: translateY(0px) scale(0.99); }
.topLink:focus-visible{ outline:none; box-shadow: 0 0 0 3px rgba(105,255,226,0.18); }

/* Contact UI */
.fab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.22);
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.08));
  box-shadow: 0 20px 44px rgba(0,0,0,0.40);
  color: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 50;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.fab:hover{ transform: translateY(-2px); border-color: rgba(105,255,226,0.40); }
.fab:active{ transform: translateY(-1px) scale(0.99); }
.fab:focus-visible{ outline:none; box-shadow: 0 0 0 3px rgba(105,255,226,0.25), 0 20px 44px rgba(0,0,0,0.40); }

.modal{ position: fixed; inset: 0; display:none; z-index: 60; }
.modal.is-open{ display:block; }
.modal-backdrop{ position:absolute; inset:0; background: rgba(3,6,23,0.62); backdrop-filter: blur(10px); }
.modal-card{
  position: relative;
  width: min(560px, calc(100% - 28px));
  margin: 76px auto 0;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(10,19,51,0.86), rgba(16,27,68,0.78));
  border: 1px solid rgba(255,255,255,0.20);
  box-shadow: 0 28px 70px rgba(0,0,0,0.60);
  overflow: hidden;
}

/* Dark-only: (light override removed) */
.modal-head{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 10px;
}
.modal-title{ font-weight: 900; letter-spacing: -0.01em; font-size: 18px; }
.modal-sub{ margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.4; }
.icon-x{
  border:none;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.92);
  cursor:pointer;
}

.modal-body{ padding: 0 16px 16px; display:grid; gap: 12px; }
.field{ display:grid; gap: 6px; }
.field > span{ color: rgba(255,255,255,0.84); font-size: 12px; font-weight: 700; }
.field input, .field textarea{
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.20);
  background: rgba(3, 6, 23, 0.55);
  color: rgba(255,255,255,0.94);
  padding: 10px 12px;
  font: inherit;
}
.field textarea{ resize: vertical; }
.field input:focus, .field textarea:focus{ outline:none; border-color: rgba(105,255,226,0.55); box-shadow: 0 0 0 3px rgba(105,255,226,0.18); }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }

.modal-actions{ display:flex; align-items:center; justify-content: space-between; gap: 10px; margin-top: 2px; }
.btn{
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(105,255,226,0.18), rgba(255,255,255,0.08));
  color: rgba(255,255,255,0.92);
  font-weight: 800;
  cursor: pointer;
}
.btn:disabled{ opacity: 0.6; cursor: not-allowed; }

.toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 80;
  max-width: min(92vw, 560px);
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.show{
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

.hero {
  width: min(1100px, 100%);
  text-align: center;
  margin-bottom: 28px;
  animation: fadeUp 520ms cubic-bezier(.2,.9,.2,1) both;
}

.logo3d {
  margin: 0;
  letter-spacing: 0.04em;
  font-weight: 900;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 1.02;
  transform: translateY(0) perspective(700px) rotateX(8deg);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.20),
    0 2px 0 rgba(0, 0, 0, 0.22),
    0 3px 0 rgba(0, 0, 0, 0.22),
    0 6px 0 rgba(0, 0, 0, 0.20),
    0 10px 22px rgba(0, 0, 0, 0.55),
    0 0 34px rgba(105, 255, 226, 0.22),
    0 0 54px rgba(138, 152, 255, 0.16);
}

/* mild chromatic aberration vibe (calm) */
.logo3d{
  position: relative;
}
.logo3d::before,
.logo3d::after{
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  filter: blur(0.2px);
}
.logo3d::before{ transform: translateX(-1px); color: rgba(105,255,226,0.9); }
.logo3d::after{ transform: translateX(1px); color: rgba(255,194,94,0.9); }

.tagline {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  letter-spacing: -0.01em;
}

.grid {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.grid-note {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 6px;
}

.footer {
  width: min(1100px, 100%);
  margin-top: auto;
  padding-top: 40px;
  text-align: center;
  color: var(--muted);
}

.footer-title {
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-copy {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.5;
}

.card {
  display: block;
  text-decoration: none;
  color: inherit;
  text-align: center;
  border-radius: 18px;
  padding: 18px 16px 20px;
  background: linear-gradient(180deg, var(--card2), var(--card));
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
  position: relative;
  overflow: hidden;
  min-height: 148px;
  animation: cardIn 520ms cubic-bezier(.2,.9,.2,1) both;
  animation-delay: calc(var(--i, 0) * 80ms + 80ms);
}

.card::after{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius: 18px;
  border:1px solid transparent;
  background:
    radial-gradient(320px 200px at 20% 10%, rgba(105,255,226,0.22), transparent 55%),
    radial-gradient(320px 200px at 80% 20%, rgba(255,194,94,0.18), transparent 55%),
    radial-gradient(420px 260px at 50% 110%, rgba(138,152,255,0.18), transparent 60%);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1px;
  opacity: 0.0;
  transition: opacity 160ms ease;
  pointer-events:none;
}

.card:hover::after{ opacity: 0.85; }
.card:hover{ box-shadow: 0 22px 46px rgba(0,0,0,0.55); }

.card::before {
  content: "";
  position: absolute;
  inset: -40% -20%;
  background: radial-gradient(circle at 30% 30%, rgba(105, 255, 226, 0.18), transparent 45%),
    radial-gradient(circle at 70% 20%, rgba(255, 194, 94, 0.16), transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(138, 152, 255, 0.16), transparent 45%);
  opacity: 0.65;
  transform: rotate(-6deg);
}

.card > * {
  position: relative;
}

.card-title {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.28);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
}

.card.is-soon{
  opacity: 0.78;
  cursor: not-allowed;
}
.card.is-soon:hover{
  transform: none;
  border-color: var(--stroke);
  background: linear-gradient(180deg, var(--card2), var(--card));
}
.card.is-soon::after{
  content: "제작중";
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.86);
  border: 1px solid rgba(255,255,255,0.20);
  background: rgba(0,0,0,0.25);
}

.card:active {
  transform: translateY(-2px) scale(0.99);
}

.card:focus-visible {
  outline: none;
  border-color: rgba(105, 255, 226, 0.65);
  box-shadow:
    0 0 0 3px rgba(105, 255, 226, 0.25),
    var(--shadow);
}

.card-icon {
  width: 42px;
  height: 42px;
  margin: 2px auto 12px;
  border-radius: 14px;
  border: 1px solid var(--stroke2);
  background: rgba(255, 255, 255, 0.06);
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.86);
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .page { padding-top: 46px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .card { padding: 18px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero, .card {
    animation: none !important;
  }
  .card, .card:hover, .card:active {
    transition: none !important;
    transform: none !important;
  }
  body::after{
    /* disable spotlight/scanline feel for reduced motion */
    opacity: 0.15;
  }
}