@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;1,9..144,400&family=Noto+Serif+KR:wght@300;400;600;900&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  --paper: #f3ecde;
  --paper-2: #ece2cf;
  --ink: #1a1714;
  --ink-soft: #5a544c;
  --ink-faint: #9a9388;
  --terra: #c1502e;
  --terra-deep: #8c3517;
  --sage: #7d8a6f;
  --line: rgba(26, 23, 20, 0.12);
  --serif: 'Fraunces', 'Noto Serif KR', serif;
  --sans: 'Inter', 'Noto Sans KR', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(193, 80, 46, 0.04), transparent 40%),
    radial-gradient(circle at 90% 90%, rgba(125, 138, 111, 0.05), transparent 40%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ── Header ─────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 1.5rem 2.5rem;
  background: rgba(243, 236, 222, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color .3s, padding .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  padding: 1rem 2.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: .9rem;
}
.brand-mark {
  width: 38px; height: 38px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  font-style: italic;
}
.brand-name {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-name em { font-style: italic; color: var(--terra); }
.nav-center {
  display: flex; gap: 2.5rem;
  justify-content: center;
}
.nav-center a {
  font-size: .82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  transition: color .2s;
}
.nav-center a:hover { color: var(--terra); }
.header-cta {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1.5px solid var(--ink);
  padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}
.header-cta:hover { color: var(--terra); border-color: var(--terra); }
.menu-btn { display: none; background: none; border: none; color: var(--ink); font-size: 1.4rem; padding: .25rem .5rem; }

/* ── Hero ───────────────────────────────── */
.hero {
  min-height: 100vh;
  position: relative;
  padding: 8rem 2.5rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-left {
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .85rem;
  font-size: .78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 2rem;
  font-weight: 500;
}
.hero-eyebrow::before {
  content: ''; width: 36px; height: 1px; background: var(--terra);
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 7.5vw, 7rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 2rem;
}
.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--terra);
}
.hero-title .small {
  font-family: var(--serif);
  font-size: 0.55em;
  font-style: italic;
  font-weight: 300;
  display: block;
  margin-top: .5rem;
  color: var(--ink-soft);
  letter-spacing: -0.01em;
}
.hero-lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 440px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: .85rem;
  background: var(--ink);
  color: var(--paper);
  padding: 1.1rem 2rem;
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background .25s, transform .25s;
}
.btn-primary::after { content: '↗'; }
.btn-primary:hover {
  background: var(--terra);
  transform: translateY(-2px);
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink-soft);
  transition: color .2s, border-color .2s;
}
.btn-ghost:hover { color: var(--terra); border-color: var(--terra); }

/* Hero right — orbit */
.hero-right {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}
.orbit {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
}
.orbit::before {
  content: '';
  position: absolute;
  inset: 8%;
  border: 1px solid var(--line);
  border-radius: 50%;
}
.orbit::after {
  content: '';
  position: absolute;
  inset: 18%;
  border: 1px dashed rgba(193, 80, 46, 0.35);
  border-radius: 50%;
  animation: spin 60s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.orbit-core {
  position: relative;
  width: 58%;
  aspect-ratio: 1/1;
  background: linear-gradient(150deg, var(--terra) 0%, var(--terra-deep) 100%);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--paper);
  text-align: center;
  box-shadow:
    0 30px 60px -20px rgba(140, 53, 23, 0.4),
    inset 0 -10px 30px rgba(0, 0, 0, 0.15);
}
.orbit-core::before {
  content: '';
  position: absolute;
  top: 12%; left: 18%;
  width: 30%; height: 25%;
  background: radial-gradient(circle, rgba(255,255,255,0.35), transparent 70%);
  border-radius: 50%;
  filter: blur(8px);
}
.orbit-core-num {
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 6rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1;
}
.orbit-core-label {
  font-size: .72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-top: .75rem;
  opacity: .85;
}
.orbit-tag {
  position: absolute;
  font-family: var(--serif);
  font-size: .78rem;
  font-style: italic;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  background: var(--paper);
  padding: .4rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.orbit-tag.t1 { top: 8%; right: 4%; }
.orbit-tag.t2 { bottom: 14%; left: 0; }
.orbit-tag.t3 { top: 50%; right: -2%; }

/* ── Marquee ribbon ─────────────────────── */
.ribbon {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  overflow: hidden;
  padding: 1.25rem 0;
}
.ribbon-track {
  display: flex;
  white-space: nowrap;
  gap: 3rem;
  animation: ribbon-scroll 40s linear infinite;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--ink);
  width: max-content;
}
.ribbon-track .dot {
  width: 8px; height: 8px;
  background: var(--terra);
  border-radius: 50%;
  align-self: center;
  flex-shrink: 0;
}
@keyframes ribbon-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── Sections ───────────────────────────── */
.section {
  padding: 8rem 2.5rem;
  max-width: 1280px;
  margin: 0 auto;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: 5rem;
}
.section-num {
  font-family: var(--serif);
  font-size: 4rem;
  font-style: italic;
  font-weight: 300;
  color: var(--terra);
  line-height: 1;
}
.section-num small {
  display: block;
  font-size: .85rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-style: normal;
  margin-top: 1rem;
  font-family: var(--sans);
  font-weight: 500;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.section-title em { font-style: italic; color: var(--terra); }

/* ── About / Philosophy ─────────────────── */
.philosophy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.philosophy-text p {
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 1.5rem;
}
.philosophy-text p:first-child::first-letter {
  font-family: var(--serif);
  font-style: italic;
  font-size: 4.5rem;
  float: left;
  line-height: 0.85;
  margin-right: .5rem;
  margin-top: .35rem;
  color: var(--terra);
}
.principles {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.principle {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 1.5rem;
  align-items: baseline;
}
.principle-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--terra);
}
.principle-name {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: .35rem;
}
.principle-desc {
  font-size: .92rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ── Programs ───────────────────────────── */
.programs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.program {
  background: var(--paper-2);
  border-radius: 22px;
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform .35s, background .35s;
}
.program:nth-child(2n) { background: var(--ink); color: var(--paper); }
.program:nth-child(2n) .program-meta { color: rgba(243, 236, 222, 0.6); }
.program:nth-child(2n) .program-name em { color: var(--terra); }
.program:hover { transform: translateY(-4px); }
.program-circle {
  width: 70px; height: 70px;
  border-radius: 50%;
  border: 1px solid currentColor;
  display: grid; place-items: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.3rem;
  flex-shrink: 0;
  opacity: 0.85;
}
.program-name {
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: .5rem;
}
.program-name em { font-style: italic; color: var(--terra); }
.program-desc {
  font-size: .95rem;
  line-height: 1.7;
  opacity: 0.8;
  margin-bottom: 1rem;
}
.program-meta {
  font-size: .78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ── Booking band ───────────────────────── */
.booking {
  margin: 6rem 2.5rem 0;
  border-radius: 28px;
  background: var(--ink);
  color: var(--paper);
  padding: 5rem 4rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.booking::before {
  content: '';
  position: absolute;
  width: 480px; height: 480px;
  right: -180px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(193, 80, 46, 0.6), transparent 70%);
  pointer-events: none;
}
.booking::after {
  content: '圓';
  position: absolute;
  font-family: var(--serif);
  right: 4rem; bottom: -2rem;
  font-size: 14rem;
  color: rgba(243, 236, 222, 0.05);
  font-weight: 300;
  pointer-events: none;
}
.booking-content { position: relative; z-index: 2; }
.booking-eyebrow {
  font-size: .78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 1.5rem;
}
.booking-title {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 4.5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.booking-title em { font-style: italic; color: var(--terra); }
.booking-desc {
  color: rgba(243, 236, 222, 0.7);
  max-width: 480px;
  line-height: 1.75;
}
.info-list {
  position: relative; z-index: 2;
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(243, 236, 222, 0.15);
}
.info-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(243, 236, 222, 0.15);
}
.info-label {
  font-size: .72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(243, 236, 222, 0.5);
  font-weight: 500;
}
.info-value {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
}
.info-value em { font-style: italic; color: var(--terra); }

/* ── Footer ─────────────────────────────── */
.footer {
  padding: 3rem 2.5rem 2.5rem;
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}
.footer-brand {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
}
.footer-brand em { font-style: italic; color: var(--terra); }
.footer-meta {
  font-size: .8rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}
.footer-back {
  font-size: .78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.footer-back:hover { color: var(--terra); border-color: var(--terra); }

/* ── Reveal ─────────────────────────────── */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── Responsive ─────────────────────────── */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 3rem; padding-top: 7rem; }
  .hero-right { max-width: 460px; margin: 0 auto; width: 100%; }
  .section-head, .philosophy, .programs { grid-template-columns: 1fr; }
  .section-head { gap: 1.5rem; }
  .booking { grid-template-columns: 1fr; padding: 3.5rem 2.5rem; }
}
@media (max-width: 768px) {
  .site-header { grid-template-columns: auto 1fr auto; padding: 1rem 1.25rem; }
  .nav-center { display: none; position: fixed; top: 64px; right: 1rem; background: var(--paper-2); flex-direction: column; padding: 1.5rem 2rem; min-width: 180px; border-radius: 12px; border: 1px solid var(--line); gap: 1.25rem; z-index: 99; }
  .nav-center.open { display: flex; }
  .menu-btn { display: block; }
  .header-cta { display: none; }
  .ribbon-track { font-size: 1.25rem; gap: 2rem; }
  .booking { margin: 4rem 1rem 0; padding: 3rem 1.75rem; }
  .info-row { grid-template-columns: 90px 1fr; gap: 1rem; }
  .footer { grid-template-columns: 1fr; text-align: left; }
}
@media (max-width: 480px) {
  .section { padding: 5rem 1.25rem; }
  .hero { padding: 6.5rem 1.25rem 3rem; }
  .program { padding: 2rem 1.5rem; grid-template-columns: 1fr; }
  .program-circle { order: -1; }
  .orbit-tag { font-size: .7rem; padding: .3rem .7rem; }
}