:root {
  --color-primary: #7C3AED;
  --color-secondary: #A78BFA;
  --color-accent: #CA8A04;
  --color-neutral-dark: #4C1D95;
  --color-neutral-light: #FAF5FF;
  --color-ink: #1E1030;
  --color-muted: #5B4B7A;
  --color-border: rgba(76, 29, 149, 0.12);
  --font-heading: 'Nanum Myeongjo', serif;
  --font-body: 'Noto Sans KR', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 2px 20px rgba(76, 29, 149, 0.06);
  --shadow-md: 0 12px 40px -12px rgba(76, 29, 149, 0.22);
  --shadow-lg: 0 30px 60px -20px rgba(76, 29, 149, 0.28);
  --radius: 16px;
  --radius-lg: 24px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-neutral-light);
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); letter-spacing: -0.01em; line-height: 1.2; margin: 0 0 0.75rem; }
h1 { font-size: clamp(2.25rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 1.25rem; }
.narrow { max-width: 780px; }
.section { padding-block: 4rem; }
.section.alt { background: linear-gradient(180deg, transparent, rgba(167, 139, 250, 0.08)); }
.section-head { text-align: center; margin-bottom: 2.5rem; }
.section-head p { color: var(--color-muted); max-width: 60ch; margin-inline: auto; }
.eyebrow { text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.14em; color: var(--color-accent); font-weight: 600; margin-bottom: 0.75rem; }
.lede { font-size: 1.075rem; color: var(--color-ink); }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { position: fixed; top: 1rem; left: 1rem; padding: 0.75rem 1rem; background: var(--color-neutral-dark); color: var(--color-neutral-light); z-index: 10000; border-radius: 8px; }

/* === Header (glass nav) === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  background: rgba(250, 245, 255, 0.72);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.scrolled { background: rgba(250, 245, 255, 0.92); box-shadow: 0 4px 24px -12px rgba(76, 29, 149, 0.2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 0.75rem; gap: 1rem; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 72px; width: auto; display: block; }
.nav-toggle { background: transparent; border: 1px solid var(--color-border); border-radius: 10px; padding: 0.5rem; color: var(--color-neutral-dark); display: inline-flex; }
.primary-nav { display: none; flex-direction: column; gap: 0.25rem; }
.primary-nav.is-open { display: flex; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-neutral-light); border-bottom: 1px solid var(--color-border); padding: 1rem 1.25rem 1.5rem; box-shadow: var(--shadow-md); }
.primary-nav a { position: relative; padding: 0.6rem 0.25rem; color: var(--color-neutral-dark); font-weight: 500; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }
.nav-cta { background: var(--color-primary); color: var(--color-neutral-light) !important; padding: 0.6rem 1rem !important; border-radius: 999px; text-align: center; }
.nav-cta:hover { text-decoration: none; }

@media (min-width: 900px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: flex; flex-direction: row; align-items: center; gap: 1.75rem; position: static; padding: 0; background: transparent; box-shadow: none; border: 0; }
  .primary-nav a { padding: 0.4rem 0; }
  .primary-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease); }
  .primary-nav a:not(.nav-cta):hover::after,
  .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
  .nav-cta { margin-left: 0.5rem; }
}

/* === Buttons === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: 0.95rem; border: 1px solid transparent; transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease); text-decoration: none; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-neutral-dark)); color: var(--color-neutral-light); box-shadow: 0 10px 30px -10px rgba(124, 58, 237, 0.55); }
.btn-primary:hover { box-shadow: 0 16px 40px -12px rgba(124, 58, 237, 0.7); }
.btn-ghost { background: rgba(255,255,255,0.6); color: var(--color-neutral-dark); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-neutral-light); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: #b17603; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 6px; }

/* === Hero (saas-spotlight) === */
.hero.saas-hero {
  position: relative;
  padding-block: 3.5rem 3rem;
  background:
    radial-gradient(60% 60% at 85% 10%, rgba(202, 138, 4, 0.10), transparent 60%),
    radial-gradient(70% 70% at 10% 90%, rgba(167, 139, 250, 0.22), transparent 60%),
    linear-gradient(180deg, var(--color-neutral-light), #F3EAFF);
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
.hero-inner.single { max-width: 720px; margin-inline: auto; text-align: center; }
.hero-copy .hero-sub { font-size: 1.125rem; color: var(--color-muted); max-width: 52ch; }
.hero-inner.single .hero-copy .hero-sub { margin-inline: auto; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.hero-inner.single .hero-ctas { justify-content: center; }
.hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; }
.hero.saas-hero .proof-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem 2rem; margin-top: 3rem; color: var(--color-neutral-dark); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.02em; }
.hero.saas-hero .proof-strip span { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.9rem; border-radius: 999px; background: rgba(255,255,255,0.7); border: 1px solid var(--color-border); }

@media (min-width: 900px) {
  .hero.saas-hero { padding-block: 6rem 4rem; }
  .hero-inner { grid-template-columns: 1.05fr 0.95fr; gap: 4rem; }
  .hero-visual img { aspect-ratio: 5/4; }
}

/* === Cards / grids === */
.cards { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card p { color: var(--color-muted); margin-bottom: 0; }
.card h3 { margin-bottom: 0.5rem; }
.card-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(202,138,4,0.15)); color: var(--color-primary); margin-bottom: 1rem; }
.contact-card p { color: var(--color-ink); }

@media (min-width: 640px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* === Origin / two-col === */
.origin-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; }
.origin-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); aspect-ratio: 4/3; object-fit: cover; }
@media (min-width: 900px) {
  .origin-grid { grid-template-columns: 1.05fr 0.95fr; gap: 4rem; }
}

/* === Testimonial === */
.testimonial-section { background: linear-gradient(180deg, transparent, rgba(167,139,250,0.08)); }
.testimonial { max-width: 780px; margin: 0 auto; text-align: center; padding: 0 1rem; }
.testimonial .quote-mark { color: var(--color-secondary); opacity: 0.6; margin-inline: auto; }
.testimonial p { font-size: 1.25rem; line-height: 1.7; color: var(--color-ink); font-family: var(--font-heading); font-weight: 400; }
.testimonial cite { display: block; font-style: normal; color: var(--color-muted); font-weight: 600; margin-top: 1rem; }

/* === CTA band === */
.cta-band { margin-block: 2rem; }
.cta-inner {
  display: flex; flex-direction: column; gap: 1.25rem; align-items: flex-start;
  padding: 2.5rem; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-neutral-dark), var(--color-primary));
  color: var(--color-neutral-light);
  box-shadow: var(--shadow-lg);
}
.cta-inner h2 { color: var(--color-neutral-light); margin-bottom: 0.4rem; }
.cta-inner p { color: rgba(250,245,255,0.85); margin: 0; }
@media (min-width: 720px) {
  .cta-inner { flex-direction: row; align-items: center; justify-content: space-between; padding: 2.5rem 3rem; }
}

/* === Stats band === */
.stats-band { padding-block: 3.5rem; background: var(--color-neutral-dark); color: var(--color-neutral-light); }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; text-align: center; }
.stat-num { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--color-accent); display: block; }
.stat-label { display: block; color: rgba(250,245,255,0.85); margin-top: 0.35rem; font-size: 0.95rem; }
@media (min-width: 720px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

/* === FAQ === */
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; }
.faq-list details { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem 1.25rem; box-shadow: var(--shadow-sm); }
.faq-list summary { font-family: var(--font-heading); font-weight: 700; color: var(--color-neutral-dark); cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--color-primary); font-size: 1.4rem; line-height: 1; transition: transform 0.2s var(--ease); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin-top: 0.75rem; color: var(--color-muted); }

/* === Contact form === */
.contact-form { display: grid; gap: 1rem; margin-top: 1.5rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-weight: 600; color: var(--color-neutral-dark); font-size: 0.95rem; }
.field input, .field textarea, .field select {
  font: inherit; padding: 0.75rem 0.9rem; border-radius: 10px;
  border: 1px solid var(--color-border); background: #fff; color: var(--color-ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(124,58,237,0.18); }
.form-consent { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.9rem; color: var(--color-muted); line-height: 1.5; }
.form-consent input { margin-top: 0.25rem; }
.contact-form .btn { justify-self: start; margin-top: 0.5rem; }

/* === Contact band === */
.contact-band { background: transparent; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: rgba(250,245,255,0.85); padding-block: 3rem 1.5rem; margin-top: 3rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.footer-logo img { height: 64px; filter: brightness(0) invert(1); }
.site-footer .tagline { font-family: var(--font-heading); color: rgba(250,245,255,0.9); margin-top: 0.75rem; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav h4, .footer-contact h4 { color: var(--color-neutral-light); margin-bottom: 0.5rem; font-size: 1rem; }
.footer-nav a, .footer-contact a { color: rgba(250,245,255,0.85); text-decoration: none; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--color-neutral-light); text-decoration: underline; }
.site-footer address { font-style: normal; line-height: 1.7; margin-bottom: 0.75rem; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-top: 0.5rem; font-size: 0.9rem; }
.copyright { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(250,245,255,0.15); font-size: 0.85rem; color: rgba(250,245,255,0.65); }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1.4fr; gap: 3rem; } }

/* === Reveal animation === */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* === Cookie banner === */
.cookie-banner { position: fixed; left: 1rem; right: 1rem; bottom: 1rem; display: none; z-index: 9999; background: var(--color-neutral-dark); color: var(--color-neutral-light); padding: 1.25rem 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow-lg); max-width: 640px; margin-inline: auto; }
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 0.9rem; font-size: 0.92rem; line-height: 1.55; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner__actions button { padding: 0.55rem 1rem; border-radius: 999px; border: 1px solid rgba(250,245,255,0.35); background: transparent; color: var(--color-neutral-light); font-weight: 600; font-size: 0.88rem; }
.cookie-banner__actions button[data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cookie-banner__actions button:hover { background: rgba(250,245,255,0.12); }
.cookie-banner__actions button[data-cookie-accept]:hover { background: #b17603; }
.cookie-banner__prefs { margin-top: 1rem; display: grid; gap: 0.5rem; padding-top: 1rem; border-top: 1px solid rgba(250,245,255,0.2); }
.cookie-banner__prefs label { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.cookie-banner__prefs button { justify-self: start; margin-top: 0.5rem; padding: 0.55rem 1rem; border-radius: 999px; border: 0; background: var(--color-neutral-light); color: var(--color-neutral-dark); font-weight: 600; font-size: 0.88rem; }