/* PRISM STUDIO — 가상 회사 샘플. 라이트/컬러풀/플레이풀 톤 — AXIOM(다크테크)·MERIDIAN(차분한
   에디토리얼)·TERRAFORM(다큐멘터리 그린)과 전부 다른 방향. 히어로가 좌우분할(텍스트+영상카드),
   bento grid 대신 단순 3열 피처카드로 레이아웃도 의도적으로 다르게. */

:root {
  --color-accent: #8b5cf6;
  --color-border: #ece9f7;
  --color-light: #f7f4ff;
  --color-text-light: #6b6478;
  --radius-md: 14px;
  --radius-lg: 22px;
  --spacing-sm: .75rem;
  --spacing-md: 1.25rem;
  --spacing-lg: 1.75rem;
  --spacing-xl: 2.5rem;
  --font-size-h1: clamp(34px, 5.5vw, 58px);
  --font-size-h2: 28px;
  font-family: -apple-system, "Pretendard Variable", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: #fffdfb; color: #201a2b; }
body { letter-spacing: -0.01em; }
a { color: inherit; }

/* --- nav --- */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,253,251,.88); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px; border-bottom: 1px solid var(--color-border);
}
.nav__logo { font-weight: 900; font-size: 18px; background: linear-gradient(90deg,#ff6b9d,#8b5cf6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav__links { display: flex; gap: 26px; font-size: 14.5px; font-weight: 600; }
.nav__links a { text-decoration: none; color: #4a4356; }
.nav__links a:hover { color: var(--color-accent); }
.nav__cta { background: #201a2b; color: #fff; padding: 9px 18px; border-radius: 999px; text-decoration: none; font-size: 13.5px; font-weight: 700; }
.nav__toggle {
  display: none; background: none; border: 1px solid var(--color-border); color: #201a2b;
  width: 34px; height: 34px; border-radius: 8px; font-size: 15px; cursor: pointer; margin-left: 10px;
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .nav.is-nav-open .nav__links {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fffdfb; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
  }
  .nav.is-nav-open .nav__links a { padding: 14px 20px; }
}

/* --- hero: 좌우분할 --- */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; max-width: 1200px; margin: 0 auto; padding: 72px 32px 40px; }
.hero__text { display: block; }
.eyebrow { display: inline-block; font-size: 13.5px; font-weight: 700; margin-bottom: 14px; color: var(--color-accent); }
.hero h1 { font-size: clamp(34px, 5.5vw, 58px); line-height: 1.12; font-weight: 900; margin: 0 0 20px; letter-spacing: -0.02em; }
.hero p { font-size: 17px; color: var(--color-text-light); margin: 0 0 28px; }
.btn-pill { display: inline-block; background: linear-gradient(90deg,#ff6b9d,#8b5cf6); color: #fff; padding: 13px 24px; border-radius: 999px; text-decoration: none; font-size: 15px; font-weight: 800; }
.btn-pill--dark { background: #201a2b; }
.hero__preview { border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 24px 60px -20px rgba(139,92,246,.35); }
.hero__preview video { width: 100%; display: block; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } }

.hero__note { max-width: 1136px; margin: 0 auto 40px; padding: 10px 32px; background: #fff7e0; color: #8a6a10; border: 1px solid #f0dca0; border-radius: 10px; font-size: 12.5px; }

main { max-width: 1080px; margin: 0 auto; }
.section { padding: 80px 32px; }
.section h2 { font-size: 28px; margin: 8px 0 32px; font-weight: 900; letter-spacing: -0.01em; }
.section-number { display: block; color: var(--color-accent); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; margin-bottom: .5rem; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: var(--color-light); border-radius: var(--radius-lg); padding: 28px 24px; }
.feature-icon { font-size: 32px; margin-bottom: 14px; }
.feature-card h3 { font-size: 18px; margin: 0 0 8px; }
.feature-card p { font-size: 14.5px; color: var(--color-text-light); margin: 0; line-height: 1.6; }
@media (max-width: 720px) { .feature-grid { grid-template-columns: 1fr; } }

.section--tinted { background: var(--color-light); border-radius: var(--radius-lg); margin: 0 32px; padding: 56px 32px !important; color: #201a2b; }
.swatch-group--lg .swatch { width: 52px; height: 52px; }
.palette-note { color: var(--color-text-light); font-size: 14px; margin-top: 18px; }

.cta-banner {
  margin: 40px 32px 0; padding: 64px 32px; border-radius: var(--radius-lg);
  background: linear-gradient(120deg,#ff6b9d,#8b5cf6 60%,#5ce1ff);
  text-align: center; color: #fff;
}
.cta-banner h2 { font-size: 30px; margin: 0 0 10px; font-weight: 900; }
.cta-banner p { font-size: 15px; opacity: .9; margin: 0 0 24px; }

.footer { border-top: 1px solid var(--color-border); padding: 32px; text-align: center; font-size: 12.5px; color: var(--color-text-light); }

@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.is-visible { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .hero { padding: 56px 24px 32px; }
  .section { padding: 64px 24px; }
  .cta-banner { margin: 40px 24px 0; padding: 48px 24px; }
}

@media (max-width: 560px) {
  .nav { padding: 14px 20px; }
  .hero { padding: 40px 20px 24px; }
  .section { padding: 48px 20px; }
  .section--tinted { margin: 0 20px; padding: 40px 20px !important; }
  .cta-banner { margin: 32px 20px 0; padding: 40px 20px; }
}