:root {
  color-scheme: dark;
  --bg: #050608;
  --bg-soft: #0b0f14;
  --panel: rgba(12, 16, 22, 0.82);
  --panel-strong: rgba(16, 21, 29, 0.94);
  --text: #f7f8fb;
  --muted: #9aa4b2;
  --subtle: #687384;
  --line: rgba(255, 255, 255, 0.13);
  --line-strong: rgba(255, 255, 255, 0.24);
  --accent: #ff8a3d;
  --accent-2: #ffc36a;
  --warning: #f5d06f;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 138, 61, 0.18), transparent 30%),
    radial-gradient(circle at 88% 12%, rgba(255, 195, 106, 0.13), transparent 32%),
    linear-gradient(180deg, #050608 0%, #070a10 46%, #040506 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    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: 48px 48px;
  mask-image: linear-gradient(180deg, black, rgba(0, 0, 0, 0.74) 55%, transparent 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 6, 8, 0.86), transparent 22%, transparent 78%, rgba(5, 6, 8, 0.9)),
    linear-gradient(180deg, transparent 0%, rgba(5, 6, 8, 0.76) 78%, #050608 100%);
}

a {
  color: inherit;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: linear-gradient(180deg, rgba(5, 6, 8, 0.92), rgba(5, 6, 8, 0));
  backdrop-filter: blur(14px);
}

.ai-tools-home-chip {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.035);
  color: #dce4ef;
  text-decoration: none;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.ai-tools-home-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 138, 61, 0.42);
  background: rgba(255, 138, 61, 0.08);
  color: #ffffff;
}

.ai-tools-home-chip.active,
.ai-tools-home-chip[aria-current="page"] {
  border-color: rgba(255, 138, 61, 0.62);
  background: rgba(255, 138, 61, 0.1);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(255, 138, 61, 0.08);
  pointer-events: none;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.035);
  color: #dce4ef;
  text-decoration: none;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: -0.02em;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.nav-item:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 138, 61, 0.42);
  background: rgba(255, 138, 61, 0.08);
  color: #ffffff;
}

.nav-item.is-active,
.nav-item[aria-current="page"] {
  pointer-events: none;
  cursor: default;
  border-color: rgba(255, 138, 61, 0.62);
  background: rgba(255, 138, 61, 0.1);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(255, 138, 61, 0.08);
}

.nav-item.is-disabled,
.nav-item[aria-disabled="true"]:not(.is-active) {
  cursor: default;
  opacity: 0.58;
  pointer-events: none;
}

.page {
  position: relative;
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0 54px;
}

.hero {
  min-height: 138px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: end;
  gap: 34px;
  padding: 14px 0 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.hero-copy {
  min-width: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 14px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 138, 61, 0.44);
  border-radius: 4px;
  background: rgba(255, 138, 61, 0.065);
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 720px;
  font-size: clamp(32px, 4.2vw, 50px);
  line-height: 1.04;
  font-weight: 950;
  letter-spacing: -0.07em;
  word-break: keep-all;
}

.hero-desc {
  max-width: 680px;
  margin-top: 10px;
  color: #d3dce8;
  font-size: clamp(14px, 1.35vw, 16px);
  font-weight: 620;
  line-height: 1.58;
  letter-spacing: -0.04em;
  word-break: keep-all;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(255, 138, 61, 0.28);
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(255, 138, 61, 0.07), transparent 52%),
    rgba(12, 16, 22, 0.78);
}

.stat-cell {
  min-height: 72px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 12px 10px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.025);
}

.stat-cell strong,
.stat-cell span {
  display: block;
}

.stat-cell strong {
  color: var(--accent);
  font-size: 22px;
  font-weight: 950;
  letter-spacing: -0.05em;
  line-height: 1;
}

.stat-cell span {
  color: #b9c2cf;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}









.tools {
  counter-reset: tool-card;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.tool-card {
  counter-increment: tool-card;
  position: relative;
  min-height: 430px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.tool-card::before {
  content: "0" counter(tool-card);
  position: absolute;
  right: 22px;
  bottom: 16px;
  color: rgba(255, 255, 255, 0.055);
  font-size: 96px;
  font-weight: 950;
  line-height: 0.8;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.tool-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 138, 61, 0.12), transparent 34%);
  opacity: 0;
  transition: opacity 0.18s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 138, 61, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    var(--panel-strong);
}

.tool-card:hover::after {
  opacity: 1;
}

.tool-card.active {
  border-color: rgba(255, 138, 61, 0.26);
}

.tool-card.pending {
  opacity: 0.72;
}

.tool-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 30px;
}

.tool-label,
.tool-version {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 31px;
  padding: 0 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.tool-label {
  border: 1px solid rgba(255, 138, 61, 0.28);
  background: rgba(255, 138, 61, 0.09);
  color: var(--accent);
}

.tool-version {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.055);
  color: #bfc9d8;
}

.tool-card h2 {
  position: relative;
  z-index: 1;
  max-width: 330px;
  margin-bottom: 22px;
  font-size: clamp(25px, 2.3vw, 34px);
  line-height: 1.08;
  font-weight: 920;
  letter-spacing: -0.055em;
  word-break: keep-all;
}

.tool-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 15px;
  color: #c9d2df;
  font-size: 15px;
  font-weight: 520;
  line-height: 1.78;
  letter-spacing: -0.025em;
  word-break: keep-all;
}

.tool-card .small {
  color: #8f9aaa;
  font-size: 13.5px;
}

.button-group {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 43px;
  padding: 0 17px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
}

.btn.primary {
  border: 1px solid rgba(255, 138, 61, 0.55);
  background: #fff1e6;
  color: #050608;
  box-shadow: 0 14px 36px rgba(255, 138, 61, 0.14);
}

.btn.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  color: #e5edf7;
}

.btn.disabled {
  cursor: default;
  opacity: 0.58;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #8d97a5;
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(255, 138, 61, 0.22);
}

.btn.secondary:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 138, 61, 0.38);
  background: rgba(255, 138, 61, 0.08);
  color: #ffffff;
}

.btn.disabled:hover {
  transform: none;
}

.guide {
  position: relative;
  margin-top: 16px;
  padding: 30px 32px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background:
    linear-gradient(90deg, rgba(255, 138, 61, 0.055), transparent 42%),
    rgba(255, 255, 255, 0.025);
}

.guide h2 {
  margin-bottom: 13px;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 920;
  letter-spacing: -0.045em;
}

.guide p {
  max-width: 980px;
  color: #c5cedb;
  font-size: 15px;
  line-height: 1.82;
  letter-spacing: -0.025em;
  word-break: keep-all;
}

.guide a,
footer .support-link {
  color: var(--accent);
  font-weight: 900;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.5);
}

.guide a:hover,
footer .support-link:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 32px 0 0;
  color: #7f8a99;
  font-size: 14px;
  line-height: 1.7;
}

footer .handle {
  color: var(--accent);
  font-weight: 950;
}

footer .handle a {
  text-decoration: none;
}

footer .handle a:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 18px;
  }

  .hero-stats {
    width: min(100%, 420px);
  }

  .tools {
    grid-template-columns: 1fr;
  }

  .tool-card {
    min-height: 0;
  }
}

@media (max-width: 700px) {
  .top-nav,
  .page {
    width: min(100% - 22px, 560px);
  }

  .top-nav {
    align-items: stretch;
    flex-direction: column;
    justify-content: flex-start;
    gap: 9px;
    padding-top: 12px;
  }

  .ai-tools-home-chip {
    min-height: 34px;
    width: fit-content;
    padding: 0 11px;
    font-size: 11px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

  .nav-item {
    min-height: 34px;
    padding: 0 11px;
    font-size: 12px;
  }

  .page {
    padding-top: 18px;
  }

  .hero {
    min-height: 0;
    padding: 16px 0 18px;
    text-align: left;
    justify-items: start;
  }

  .badge {
    margin-bottom: 12px;
  }

  h1 {
    font-size: clamp(32px, 10vw, 44px);
  }

  .hero-desc {
    font-size: 14px;
  }

  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    padding: 8px;
  }

  .stat-cell {
    min-height: 58px;
    padding: 9px 8px;
  }

  .stat-cell strong {
    font-size: 18px;
  }

  .stat-cell span {
    font-size: 10px;
  }





  .tools {
    margin-top: 22px;
  }

  .tool-card {
    padding: 23px;
    border-radius: 4px;
  }

  .tool-card::before {
    font-size: 76px;
  }

  .button-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .guide {
    padding: 24px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 14px;
  }
}