:root {
  --bg: #ffffff;
  --bg-soft: #f5f4f2;
  --ink: #101014;
  --ink-2: #2a2a30;
  --ink-soft: #6b6a72;
  --line: #e6e4e0;
  --dark: #0e0d11;
  --dark-2: #17161b;
  --dark-line: #2a2930;
  --radius: 16px;
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard",
    "Malgun Gothic", "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand-logo { height: 22px; width: auto; }
.nav-links { display: flex; gap: 30px; font-size: 14px; letter-spacing: 0.02em; color: var(--ink-soft); font-weight: 500; }
.nav-links a:hover { color: var(--ink); }

/* HERO */
.hero {
  background:
    radial-gradient(900px 480px at 82% 30%, #eceae7 0%, transparent 62%),
    linear-gradient(180deg, #ffffff 0%, #faf9f7 100%);
  padding: 92px 0 96px;
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.eyebrow { color: var(--ink-soft); font-weight: 700; letter-spacing: 0.24em; font-size: 12px; margin-bottom: 22px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); line-height: 1.16; letter-spacing: -0.035em; font-weight: 800; }
.hero h1 span {
  background: linear-gradient(100deg, #1b1a1f 0%, #4a4952 55%, #1b1a1f 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.lead { margin-top: 24px; color: var(--ink-soft); font-size: clamp(16px, 2.2vw, 18px); max-width: 30em; }
.hero-cta { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  transition: transform 0.12s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); }

.hero-visual { position: relative; display: grid; place-items: center; min-height: 340px; }
.hero-glow {
  position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,0,0,0.10) 0%, rgba(0,0,0,0.03) 45%, transparent 70%);
  filter: blur(6px);
}
.hero-mark {
  position: relative; height: 360px; width: auto;
  filter: drop-shadow(0 30px 45px rgba(0, 0, 0, 0.32));
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* SECTIONS */
.section { padding: 96px 0; }
.section-head { max-width: 640px; }
.section-eyebrow { color: var(--ink-soft); font-weight: 700; letter-spacing: 0.2em; font-size: 12px; }
.section-title { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.03em; margin-top: 10px; }
.section-sub { margin-top: 12px; color: var(--ink-soft); font-size: 16px; }

/* SERVICES GRID */
.grid { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  position: relative; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px 28px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(16, 16, 20, 0.08); border-color: #d8d5d0; }
.card-num {
  display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: 0.08em;
  color: #fff; background: var(--ink); border-radius: 7px; padding: 4px 9px;
}
.card h3 { margin: 18px 0 9px; font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.card p { color: var(--ink-soft); font-size: 15px; }

/* ABOUT (dark) */
.section-dark { background: var(--dark); color: #d7d6db; }
.section-dark .section-eyebrow { color: #8f8e97; }
.section-dark .section-title { color: #fff; }
.about-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 52px; align-items: center; }
.about-text p { margin-top: 18px; color: #a9a8b0; }
.about-text .section-title { margin-bottom: 4px; }
.about-stats { list-style: none; display: grid; gap: 12px; }
.about-stats li {
  background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: var(--radius);
  padding: 20px 24px; display: flex; flex-direction: column; gap: 2px;
}
.about-stats strong {
  font-size: 24px; font-weight: 800; letter-spacing: -0.01em;
  background: linear-gradient(100deg, #ffffff, #b9b8c0);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.about-stats span { color: #8f8e97; font-size: 14px; }

/* CONTACT */
.contact-cards { margin-top: 40px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.contact-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}
.contact-card:hover { border-color: var(--ink); transform: translateY(-3px); box-shadow: 0 16px 34px rgba(16,16,20,0.07); }
.contact-label { font-size: 13px; color: var(--ink-soft); font-weight: 600; }
.contact-value { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }

/* FOOTER */
.footer { background: var(--dark); color: #b7b6bd; padding: 64px 0 48px; border-top: 1px solid var(--dark-line); }
.footer-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.footer-logo { height: 26px; width: auto; filter: invert(1) brightness(2); }
.footer-tagline { margin-top: 18px; font-size: 14px; color: #cfced4; max-width: 26em; }
.footer-tagline strong { color: #fff; }
.biz-info { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 30px; margin-bottom: 20px; }
.biz-info div { display: flex; gap: 12px; font-size: 14px; line-height: 1.5; }
.biz-info .biz-full { grid-column: 1 / -1; }
.biz-info dt { color: #7f7e88; min-width: 96px; flex-shrink: 0; }
.biz-info dd { color: #e5e4e9; }
.biz-note { color: #8f8e97; }
.biz-info a:hover { color: #fff; text-decoration: underline; }
.footer-links { margin-bottom: 14px; }
.footer-links a { color: #fff; font-weight: 600; font-size: 14px; }
.footer-links a:hover { text-decoration: underline; }
.copyright { font-size: 13px; color: #7f7e88; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 8px; text-align: left; }
  .hero-visual { order: -1; min-height: 240px; }
  .hero-mark { height: 220px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .nav-links { gap: 18px; font-size: 13px; }
  .grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .biz-info { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 72px; }
  .section { padding: 64px 0; }
}