/* ============================================================
   minhwainkstudio.com — Sarah Oh
   "Visual Music" — Xuan paper, Korean ink, seal vermilion
   ============================================================ */

:root {
  /* palette — tuned to Sarah's painting grounds (gold-taupe Xuan paper) */
  --paper:      #f4ecdd;  /* Xuan-paper ground */
  --paper-deep: #ece0cc;  /* deeper paper for panels */
  --ink:        #1c1916;  /* Korean ink */
  --ink-soft:   #2c261f;  /* near-ink for body text */
  --wash:       #6f655a;  /* ink-wash mid gray */
  --seal:       #b23a2e;  /* 인주 — seal vermilion (her chop marks) */
  --seal-deep:  #8f2c23;
  --gold:       #b39666;  /* warm gold (fine rules), from her gold ground */
  --gold-soft:  #cdbb98;

  /* type */
  --display: "Cormorant Garamond", "Nanum Myeongjo", Georgia, serif;
  --display-ko: "Nanum Myeongjo", "Cormorant Garamond", serif;
  --body: "Spectral", "Nanum Myeongjo", Georgia, serif;
  --sans: "Spectral", system-ui, sans-serif;

  /* scale */
  --maxw: 1180px;
  --gut: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background-color: var(--paper);
  /* faint paper grain via layered radial noise */
  background-image:
    radial-gradient(circle at 20% 30%, rgba(185,164,126,.05) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(28,25,22,.03) 0, transparent 45%);
  color: var(--ink-soft);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Korean wraps at word (어절) boundaries, not mid-word */
html:lang(ko) body, html:lang(ko) h1, html:lang(ko) h2, html:lang(ko) h3,
html:lang(ko) p, html:lang(ko) .lead, html:lang(ko) li, html:lang(ko) figcaption {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 500; color: var(--ink); line-height: 1.12; margin: 0; }
:lang(ko) h1, :lang(ko) h2, :lang(ko) h3 { font-family: var(--display-ko); }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: 1.4rem; }
p { margin: 0 0 1.1em; }
a { color: var(--seal-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.eyebrow {
  font-family: var(--sans);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--seal);
  margin: 0 0 1rem;
  display: inline-block;
}
/* Korean doesn't take wide Latin tracking well — tighten + strengthen */
:lang(ko) .eyebrow {
  font-size: .82rem;
  letter-spacing: .12em;
  font-weight: 700;
}

.lead { font-size: clamp(1.15rem, 2.2vw, 1.45rem); line-height: 1.6; color: var(--ink-soft); }

/* seal divider — the signature mark */
.seal-rule {
  display: flex; align-items: center; gap: 1rem;
  margin: 0 0 1.5rem;
}
.seal-rule::before, .seal-rule::after {
  content: ""; height: 1px; background: var(--gold); flex: 1; opacity: .6;
}
.seal-mark {
  width: 30px; height: 30px; flex: none;
  border: 1.5px solid var(--seal);
  border-radius: 4px;
  display: grid; place-items: center;
  color: var(--seal); font-family: var(--display); font-size: .95rem; font-weight: 600;
  transform: rotate(-3deg);
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243,236,225,.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(185,164,126,.4);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 1rem; }
.brand { display: flex; align-items: baseline; gap: .55rem; font-family: var(--display); font-size: 1.35rem; color: var(--ink); }
:lang(ko) .brand { font-family: var(--display-ko); }
.brand .brand-seal { color: var(--seal); font-size: 1.1rem; }
.brand:hover { text-decoration: none; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.nav a { font-family: var(--sans); font-size: .92rem; letter-spacing: .02em; color: var(--ink-soft); }
.nav a:hover { color: var(--seal); text-decoration: none; }

/* language toggle — styled as a small seal */
.lang-toggle {
  font-family: var(--sans); font-size: .78rem; font-weight: 600; letter-spacing: .08em;
  border: 1.5px solid var(--seal); color: var(--seal);
  padding: .3rem .6rem; border-radius: 4px; background: transparent;
  transform: rotate(-2deg); transition: background .2s, color .2s;
}
.lang-toggle:hover { background: var(--seal); color: var(--paper); text-decoration: none; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* ---------- hero ---------- */
.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5.5rem); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { margin-bottom: 1.2rem; }
.hero .accent { color: var(--seal); font-style: italic; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.8rem; }

.hero-art {
  position: relative; aspect-ratio: 4/5; border-radius: 2px;
  background: var(--paper-deep);
  box-shadow: 0 20px 50px -25px rgba(28,25,22,.55);
  overflow: hidden;
}
.hero-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-art .ph-label { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: var(--wash); font-family: var(--sans); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; padding: 1rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--sans); font-size: .92rem; font-weight: 600; letter-spacing: .03em;
  padding: .8rem 1.5rem; border-radius: 3px; cursor: pointer; border: 1.5px solid transparent;
  transition: transform .15s, background .2s, color .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--seal); color: var(--paper); }
.btn-primary:hover { background: var(--seal-deep); color: var(--paper); }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- sections ---------- */
section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-head { max-width: 720px; margin-bottom: 2.8rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .seal-rule { justify-content: center; }

.alt { background: var(--paper-deep); }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about-portrait { aspect-ratio: 3/4; background: var(--paper); border: 1px solid var(--gold-soft); border-radius: 2px; overflow: hidden; box-shadow: 0 14px 36px -22px rgba(28,25,22,.5); }
.about-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-portrait .ph-label { display: grid; place-items: center; height: 100%; color: var(--wash); font-family: var(--sans); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.cred-list { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: .65rem; }
.cred-list li { padding-left: 1.4rem; position: relative; font-size: 1rem; color: var(--ink-soft); }
.cred-list li::before { content: "印"; position: absolute; left: 0; color: var(--seal); font-family: var(--display); font-size: .9rem; opacity: .8; }

/* ---------- classes ---------- */
.class-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.class-card { background: var(--paper); border: 1px solid var(--gold-soft); border-radius: 3px; padding: 2rem 1.7rem; display: flex; flex-direction: column; }
.alt .class-card { background: var(--paper); }
.class-card h3 { color: var(--ink); margin-bottom: .3rem; }
.class-card .ko-sub { font-family: var(--display-ko); color: var(--wash); font-size: 1rem; margin-bottom: 1rem; }
.class-card .subjects { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-wrap: wrap; gap: .45rem; }
.class-card .subjects li { font-family: var(--sans); font-size: .8rem; color: var(--ink-soft); border: 1px solid var(--gold-soft); border-radius: 999px; padding: .25rem .7rem; }
.class-card .note { margin-top: auto; padding-top: 1rem; font-size: .9rem; color: var(--wash); font-style: italic; }

/* ---------- gallery ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.art-tile { position: relative; aspect-ratio: 3/4; background: var(--paper-deep); border-radius: 2px; overflow: hidden; box-shadow: 0 12px 30px -22px rgba(28,25,22,.5); }
.art-tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.art-tile:hover img { transform: scale(1.04); }
.art-tile .ph-label { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: var(--wash); font-family: var(--sans); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; padding: 1rem; }
.art-tile figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.4rem 1rem .9rem; background: linear-gradient(to top, rgba(28,25,22,.82), transparent); color: var(--paper); font-family: var(--display); font-size: 1.05rem; opacity: 0; transform: translateY(8px); transition: .3s; }
:lang(ko) .art-tile figcaption { font-family: var(--display-ko); }
.art-tile:hover figcaption { opacity: 1; transform: translateY(0); }
.gallery-note { text-align: center; margin-top: 2rem; font-style: italic; color: var(--wash); }

/* ---------- studios / schedule ---------- */
.studio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.studio-card { background: var(--paper); border: 1px solid var(--gold-soft); border-top: 3px solid var(--seal); border-radius: 3px; padding: 2rem; }
.alt .studio-card { background: var(--paper-deep); }
.studio-card h3 { margin-bottom: .2rem; }
.studio-card .addr { font-style: normal; color: var(--wash); font-size: .95rem; margin-bottom: 1.2rem; display: block; }
.studio-card .hours { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.studio-card .hours li { display: flex; justify-content: space-between; gap: 1rem; font-size: .95rem; border-bottom: 1px dotted var(--gold-soft); padding-bottom: .5rem; }
.studio-card .hours .day { font-family: var(--sans); font-weight: 600; color: var(--ink); }
.studio-card .hours .time { color: var(--ink-soft); text-align: right; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.contact-methods { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: 1.1rem; }
.contact-methods li { display: flex; align-items: center; gap: .9rem; font-size: 1.1rem; }
.contact-methods .ic { width: 40px; height: 40px; flex: none; border: 1.5px solid var(--seal); border-radius: 50%; display: grid; place-items: center; color: var(--seal); font-family: var(--sans); font-size: .7rem; font-weight: 700; letter-spacing: .04em; }
.contact-methods a { color: var(--ink); }
.contact-methods a:hover { color: var(--seal); }
.kakao-card { background: var(--paper); border: 1px solid var(--gold-soft); border-radius: 3px; padding: 2rem; text-align: center; }
.alt .kakao-card { background: var(--paper-deep); }
.kakao-qr { width: 200px; height: 200px; margin: 0 auto 1rem; background: #fff; border: 1px solid var(--gold-soft); border-radius: 4px; display: block; object-fit: contain; padding: 8px; }
.kakao-card .cap { font-family: var(--sans); font-size: .85rem; color: var(--wash); letter-spacing: .04em; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: var(--paper); padding: 3rem 0 2.2rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; align-items: center; }
.site-footer a { color: var(--gold-soft); }
.site-footer a:hover { color: var(--paper); }
.site-footer .f-brand { font-family: var(--display); font-size: 1.3rem; color: var(--paper); }
:lang(ko) .site-footer .f-brand { font-family: var(--display-ko); }
.site-footer .f-meta { font-family: var(--sans); font-size: .82rem; color: var(--gold-soft); letter-spacing: .03em; }

/* ---------- active nav state ---------- */
.nav a.active { color: var(--seal); }
.nav a.active::after { content: ""; display: block; height: 2px; background: var(--seal); margin-top: 2px; border-radius: 2px; }

/* ---------- subpage page header ---------- */
.page-head { padding: clamp(2.8rem, 7vw, 4.5rem) 0 0; }
.page-head .wrap { max-width: 820px; }
.page-head .eyebrow { margin-bottom: .6rem; }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 1rem; }
.page-head .lead { color: var(--ink-soft); }
.page-head .seal-rule { margin-bottom: 1.4rem; }

/* home highlights grid */
.highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1rem; }
.highlight-card { background: var(--paper); border: 1px solid var(--gold-soft); border-radius: 3px; padding: 1.8rem 1.6rem; display: flex; flex-direction: column; }
.alt .highlight-card { background: var(--paper-deep); }
.highlight-card h3 { margin-bottom: .5rem; }
.highlight-card p { font-size: .98rem; color: var(--ink-soft); }
.highlight-card .more { margin-top: auto; padding-top: 1rem; font-family: var(--sans); font-size: .85rem; font-weight: 600; letter-spacing: .04em; color: var(--seal); }
.highlight-card:hover { text-decoration: none; transform: translateY(-2px); transition: transform .15s; }
a.highlight-card:hover { text-decoration: none; }
@media (max-width: 880px) { .highlights { grid-template-columns: 1fr; } }

/* ---------- full-bleed landscape banner ---------- */
.banner {
  position: relative;
  background-size: cover; background-position: center 38%;
  min-height: clamp(280px, 42vw, 460px);
  display: grid; place-items: center; text-align: center;
}
.banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(28,25,22,.5), rgba(28,25,22,.62)); }
.banner-inner { position: relative; z-index: 1; color: var(--paper); max-width: 760px; padding: 2rem var(--gut); }
.banner-inner h2 { color: var(--paper); }
.banner-inner .eyebrow { color: var(--gold-soft); }
.banner-inner p { color: rgba(244,236,221,.92); }
.banner-inner .seal-rule::before, .banner-inner .seal-rule::after { background: var(--gold-soft); }
.banner-inner .seal-mark { border-color: var(--gold-soft); color: var(--gold-soft); }

/* ---------- dual QR ---------- */
.qr-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.qr-box { background: var(--paper); border: 1px solid var(--gold-soft); border-radius: 4px; padding: 1.2rem; text-align: center; }
.alt .qr-box { background: var(--paper-deep); }
.qr-box img, .qr-box svg { width: 100%; max-width: 170px; height: auto; aspect-ratio: 1; margin: 0 auto .7rem; display: block; border-radius: 8px; }
.qr-box .qr-label { font-family: var(--sans); font-size: .82rem; font-weight: 600; letter-spacing: .04em; color: var(--ink); }
.qr-box .qr-sub { font-family: var(--sans); font-size: .72rem; color: var(--wash); }
@media (max-width: 480px) { .qr-pair { grid-template-columns: 1fr; } }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 380px; }
  .class-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .studio-grid { grid-template-columns: 1fr; }
  .nav { position: fixed; inset: 72px 0 auto; flex-direction: column; background: var(--paper); padding: 1.5rem var(--gut); gap: 1.2rem; border-bottom: 1px solid var(--gold-soft); transform: translateY(-120%); transition: transform .28s ease; align-items: flex-start; }
  .nav.open { transform: translateY(0); }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .class-grid, .gallery-grid { grid-template-columns: 1fr; }
  body { font-size: 17px; }
}