:root {
  --plum: #261a28;
  --plum-2: #1a111c;
  --cream: #efebe4;
  --cream-2: #f7f4ef;
  --ink: #1d1620;
  --muted: #5d5460;
  --accent: #f4482b;
  --accent-2: #e92e2f;
  --line: rgba(38, 26, 40, .12);
  --radius: 22px;
  --wrap: 1180px;
  --font: "Figtree", "Noto Sans KR", system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.25; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 100; background: #fff; padding: 8px 14px; border-radius: 8px; }
.skip-link:focus { left: 16px; }
main:focus { outline: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px;
  font-weight: 600; font-size: 16px; text-decoration: none;
  border: 1.5px solid transparent; transition: background .2s, color .2s, border-color .2s, transform .2s;
  white-space: nowrap; cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-2); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--cream); }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }

.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: .06em; color: var(--accent); margin-bottom: 14px; }
.eyebrow-light { color: #ff8a6b; }
.accent { color: var(--accent); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(38, 26, 40, .92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand img { height: 22px; width: auto; }
.brand-kr { color: #cfc6cf; font-size: 13px; font-weight: 600; padding: 2px 8px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; }
.nav { display: flex; gap: 28px; }
.nav a { color: #e9e3ea; text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover { color: #fff; }
.header-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s; }
.nav-toggle span + span { margin-top: 7px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--plum); color: #fff; }
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 70% at 85% 20%, rgba(244, 72, 43, .55), transparent 60%),
    radial-gradient(45% 55% at 70% 95%, rgba(247, 116, 59, .35), transparent 65%),
    radial-gradient(40% 50% at 0% 100%, rgba(233, 46, 47, .18), transparent 70%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-top: 96px; padding-bottom: 110px; }
.hero h1 { font-size: clamp(34px, 4.6vw, 56px); font-weight: 600; }
.hero h1 em { font-style: normal; color: #ff8a6b; }
.lead { margin-top: 24px; font-size: 18px; color: #ddd3dd; max-width: 560px; }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions-center { justify-content: center; }

.hero-visual { position: relative; aspect-ratio: 1; max-width: 460px; width: 100%; justify-self: center; }
.orbit { width: 100%; height: 100%; }
.orbit .ring { fill: none; stroke: rgba(255,255,255,.18); stroke-dasharray: 4 7; }
.chips { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; }
.chips li {
  position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%);
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  color: #fff; font-size: 13px; font-weight: 600; padding: 7px 14px; border-radius: 999px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}
.chips li:nth-child(even) { animation-delay: -3s; }
.chips .chip-ai { background: rgba(244, 72, 43, .85); border-color: transparent; }
@keyframes float { 50% { transform: translate(-50%, calc(-50% - 6px)); } }

/* Sections */
.section { padding: 110px 0; }
.section-tight { padding-top: 0; }
.section-cream { background: var(--cream); }
.section-dark { background: var(--plum); color: #fff; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 600; }
.section-lead { margin-top: 18px; font-size: 17px; color: var(--muted); }
.section-head-light .section-lead { color: #cfc6cf; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--cream-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 18px 40px -28px rgba(38,26,40,.35);
}
.card h3 { font-size: 20px; font-weight: 600; margin: 14px 0 12px; }
.card p { color: var(--muted); font-size: 15.5px; }
.card-num { font-family: "Figtree", sans-serif; font-weight: 700; color: var(--accent); font-size: 15px; }
.card-tag { font-size: 13px; font-weight: 600; color: var(--accent); }
.card-usecase { display: flex; flex-direction: column; }
.card-usecase h3 { margin-top: 8px; }
.checks { list-style: none; padding: 0; margin: 4px 0 22px; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 26px; font-size: 15px; color: var(--muted); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 8px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}
.card-usecase .more { margin-top: auto; }

.more { font-weight: 600; font-size: 15px; color: var(--ink); text-decoration: none; }
a .more, .card .more:hover { text-decoration: underline; text-underline-offset: 4px; }

.pillar {
  display: flex; flex-direction: column; gap: 12px; text-decoration: none;
  background: var(--cream-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 34px; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.pillar:hover { transform: translateY(-4px); border-color: rgba(244,72,43,.4); box-shadow: 0 26px 50px -30px rgba(244,72,43,.55); }
.pillar-tag { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: .04em; }
.pillar h3 { font-size: 23px; font-weight: 600; }
.pillar p { color: var(--muted); font-size: 15.5px; }
.pillar .more { margin-top: 6px; }

/* Channels */
.channel-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.channel-list a {
  display: flex; flex-direction: column; gap: 6px; height: 100%;
  padding: 26px 26px; border-radius: 18px; text-decoration: none;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  transition: background .2s, border-color .2s;
}
.channel-list a:hover { background: rgba(244,72,43,.14); border-color: rgba(244,72,43,.6); }
.channel-list strong { font-size: 18px; font-weight: 600; }
.channel-list span { color: #cfc6cf; font-size: 14.5px; }
.channel-more { text-align: center; margin-top: 36px; }
.channel-more a { color: #fff; font-weight: 600; text-underline-offset: 4px; }

/* Campaign features */
.feature {
  position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
  padding: 40px 38px; border-radius: var(--radius); text-decoration: none;
  background: linear-gradient(135deg, #0b2c23, #12382d); color: #fbf4e6;
  transition: transform .25s, box-shadow .25s;
}
.feature:hover { transform: translateY(-4px); box-shadow: 0 28px 50px -30px rgba(11,44,35,.8); }
.feature h3 { font-size: 26px; font-weight: 600; }
.feature p { color: #d6dcd2; font-size: 15.5px; margin-bottom: 10px; }
.feature-badge { font-size: 12.5px; font-weight: 700; letter-spacing: .04em; color: #0b2c23; background: #eb6a2c; padding: 5px 12px; border-radius: 999px; }
.feature-plain { background: var(--cream-2); color: var(--ink); border: 1px solid var(--line); }
.feature-plain p { color: var(--muted); }
.feature-badge-plain { background: var(--plum); color: #fff; }
.feature-plain .more { margin-top: auto; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; background: var(--plum); color: #fff; text-align: center; }
.hero-glow-cta { background: radial-gradient(50% 80% at 50% 120%, rgba(244,72,43,.6), transparent 70%); }
.cta-inner { position: relative; padding-top: 110px; padding-bottom: 110px; }
.cta-band h2 { font-size: clamp(28px, 3.6vw, 44px); font-weight: 600; }
.cta-band p { margin: 20px auto 0; max-width: 560px; color: #ddd3dd; font-size: 17px; }

/* Footer */
.site-footer { background: var(--plum-2); color: #b9afba; font-size: 14px; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 28px 40px; padding-top: 56px; padding-bottom: 48px; }
.footer-brand img { height: 20px; width: auto; margin-bottom: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 24px; align-content: flex-start; }
.footer-links a { color: #e2dbe3; text-decoration: none; }
.footer-links a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.copyright { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 72px; padding-bottom: 80px; }
  .hero-visual { max-width: 400px; }
  .grid-3, .channel-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--plum); border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 8px 24px 18px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.06); font-size: 16px; }
  .hide-sm { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .section { padding: 76px 0; }
  .section-tight { padding-top: 0; }
  .section-head { margin-bottom: 40px; }
  .grid-3, .grid-2, .channel-list { grid-template-columns: 1fr; }
  .lead { font-size: 16.5px; }
  .card, .pillar, .feature { padding: 28px 22px; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
  .chips li { font-size: 12px; padding: 6px 11px; }
  .footer-inner { grid-template-columns: 1fr; }
  .brand-kr { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .chips li { animation: none; }
  .btn, .pillar, .feature { transition: none; }
}