/* ==========================================================================
   나무필라테스 — Design Tokens
   ========================================================================== */
:root {
  --bg: #F6F3EC;
  --ink: #262420;
  --ink-soft: #5B564C;
  --pine: #3F4C3B;
  --pine-dark: #2C3629;
  --clay: #A9754E;
  --line: #DCD5C4;
  --surface: #EFEAE0;
  --pine-soft: #E4E9DE;
  --white: #FFFCF7;

  --font-serif: 'Noto Serif KR', serif;
  --font-sans: 'Noto Sans KR', sans-serif;

  --max-width: 1180px;
  --gutter: 28px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea { font: inherit; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .serif {
  font-family: var(--font-serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

:focus-visible {
  outline: 2px solid var(--pine);
  outline-offset: 3px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.hairline { border: none; border-top: 1px solid var(--line); margin: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* ==========================================================================
   Section rhythm
   ========================================================================== */
.section { padding: 88px 0; border-bottom: 1px solid var(--line); }
.section:last-of-type { border-bottom: none; }
.section-tight { padding: 56px 0; }
.section-dark { background: var(--pine-dark); color: var(--white); border-bottom: none; }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--white); }
.section-surface { background: var(--surface); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 18px;
}

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 14px; }
.section-head p { color: var(--ink-soft); font-size: 17px; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--pine); color: var(--white); }
.btn-primary:hover { background: var(--pine-dark); }
.btn-outline { border-color: var(--pine); color: var(--pine); }
.btn-outline:hover { background: var(--pine); color: var(--white); }
.btn-clay { background: var(--clay); color: var(--white); }
.btn-clay:hover { background: #8f6141; }
.btn-ghost-light { border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--pine-dark);
  letter-spacing: -0.01em;
}
.brand span { color: var(--clay); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--pine);
  transition: right 0.2s ease;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { right: 0; }
.nav-links a[aria-current="page"] { color: var(--pine-dark); font-weight: 700; }

.nav-right { display: flex; align-items: center; gap: 18px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span { width: 22px; height: 2px; background: var(--ink); display: block; }

.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 16px var(--gutter);
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 500;
}
.mobile-nav a[aria-current="page"] { color: var(--pine-dark); font-weight: 700; }
.mobile-nav .btn { margin: 18px var(--gutter); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-right .btn-sm.desktop-only { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-top: 100px;
  padding-bottom: 90px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  max-width: 900px;
  margin-bottom: 26px;
}
.hero .lede {
  max-width: 640px;
  font-size: 18px;
  color: var(--ink-soft);
  margin-bottom: 40px;
}

/* Variant A: split hero (text | photo) */
.hero-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 72px;
}
.hero-split h1 { font-size: clamp(30px, 4vw, 48px); margin-bottom: 24px; }
.hero-split .lede { font-size: 17px; color: var(--ink-soft); margin-bottom: 36px; }
.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: 30% 35%;
  border: 1px solid var(--line);
}
@media (max-width: 860px) {
  .hero-split { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  .hero-media { order: -1; }
  .hero-media img { aspect-ratio: 4/3; }
}

/* Variant B: full-bleed photo band below hero text */
.hero-band img {
  width: 100%;
  height: auto;
  aspect-ratio: 12/5;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 700px) {
  .hero-band img { aspect-ratio: 4/3; }
}

.page-hero {
  padding-top: 64px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
.page-hero p { max-width: 620px; color: var(--ink-soft); font-size: 17px; }

/* ==========================================================================
   Keyword hairline list (horizontal on desktop)
   ========================================================================== */
.keyword-row {
  display: flex;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.keyword-item {
  flex: 1;
  padding: 30px 24px;
  border-right: 1px solid var(--line);
}
.keyword-item:last-child { border-right: none; }
.keyword-num {
  font-family: var(--font-serif);
  color: var(--clay);
  font-size: 14px;
  display: block;
  margin-bottom: 10px;
}
.keyword-item h3 { font-size: 17px; margin-bottom: 8px; }
.keyword-item p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.7; }

@media (max-width: 900px) {
  .keyword-row { flex-direction: column; }
  .keyword-item { border-right: none; border-bottom: 1px solid var(--line); }
  .keyword-item:last-child { border-bottom: none; }
}

/* ==========================================================================
   Alternating image-text rows
   ========================================================================== */
.alt-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 56px;
  padding-bottom: 56px;
}
.alt-row + .alt-row { border-top: 1px solid var(--line); }
.alt-row.reverse .alt-media { order: 2; }
.alt-row.reverse .alt-text { order: 1; }
.alt-text .eyebrow { margin-bottom: 14px; }
.alt-text h3 { font-size: 24px; margin-bottom: 16px; }
.alt-text p { color: var(--ink-soft); }
.alt-media { aspect-ratio: 4/3; }

@media (max-width: 860px) {
  .alt-row, .alt-row.reverse { grid-template-columns: 1fr; gap: 24px; }
  .alt-row.reverse .alt-media, .alt-row.reverse .alt-text { order: initial; }
}

/* ==========================================================================
   Placeholder image blocks
   ========================================================================== */
.ph {
  width: 100%;
  height: 100%;
  min-height: 220px;
  background:
    repeating-linear-gradient(135deg, transparent 0 18px, rgba(169,117,78,0.06) 18px 36px),
    linear-gradient(160deg, var(--surface), #E6DECB);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 20px;
}
.ph::before { content: "🌿"; display: block; }
.ph-label { display: flex; flex-direction: column; gap: 8px; }
.ph-icon { font-size: 22px; }

/* ==========================================================================
   Two-column intro split (home: 지점 소개)
   ========================================================================== */
.split-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.split-panel {
  padding: 48px;
  border-right: 1px solid var(--line);
}
.split-panel:last-child { border-right: none; }
.split-panel .tag {
  display: inline-block;
  font-size: 13px;
  color: var(--pine);
  background: var(--pine-soft);
  padding: 6px 12px;
  border-radius: 2px;
  margin-bottom: 18px;
  font-weight: 500;
}
.split-panel h3 { font-size: 22px; margin-bottom: 14px; }
.split-panel p { color: var(--ink-soft); margin-bottom: 22px; }

@media (max-width: 860px) {
  .split-two { grid-template-columns: 1fr; }
  .split-panel { border-right: none; border-bottom: 1px solid var(--line); }
  .split-panel:last-child { border-bottom: none; }
}

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band { text-align: center; padding: 80px 0; }
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 30px; }
.cta-band .btn-row { justify-content: center; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--pine-dark); color: rgba(255,255,255,0.88); padding: 64px 0 28px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 48px; }
.footer-brand .brand { color: var(--white); font-size: 22px; margin-bottom: 12px; display: block; }
.footer-brand .brand span { color: #C9A27A; }
.footer-slogan { font-family: var(--font-serif); font-size: 16px; color: rgba(255,255,255,0.75); max-width: 340px; }
.footer-locations { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-location h4 { color: var(--white); font-size: 15px; margin-bottom: 12px; letter-spacing: 0.04em; }
.footer-location p { font-size: 13.5px; color: rgba(255,255,255,0.68); margin-bottom: 4px; }
.footer-location a { text-decoration: underline; text-underline-offset: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.16);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

@media (max-width: 700px) {
  .footer-locations { gap: 32px; }
}

/* ==========================================================================
   Tabs (지점안내)
   ========================================================================== */
.tabs { display: flex; border-bottom: 1px solid var(--line); }
.tab-btn {
  padding: 18px 30px;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-serif);
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn[aria-selected="true"] { color: var(--pine-dark); border-bottom-color: var(--pine); }
.tab-panel { display: none; padding-top: 56px; }
.tab-panel.active { display: block; }

.location-header { margin-bottom: 40px; }
.location-header .eyebrow { margin-bottom: 10px; }
.location-header h2 { font-size: clamp(24px, 3.4vw, 34px); margin-bottom: 10px; }
.location-header p.desc { color: var(--ink-soft); font-size: 16px; }

.feature-list { margin-bottom: 48px; }
.feature-list li {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
}
.feature-list li:last-child { border-bottom: 1px solid var(--line); }
.feature-list h4 { font-size: 16.5px; color: var(--pine-dark); }
.feature-list p { color: var(--ink-soft); font-size: 15px; }

@media (max-width: 700px) {
  .feature-list li { grid-template-columns: 1fr; gap: 6px; }
}

.info-box {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.info-box dt { font-size: 13px; color: var(--clay); letter-spacing: 0.05em; margin-bottom: 6px; font-weight: 500; }
.info-box dd { font-size: 15px; color: var(--ink); line-height: 1.6; }
.info-box .full { grid-column: 1 / -1; }

@media (max-width: 700px) {
  .info-box { grid-template-columns: 1fr; }
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-bottom: 48px;
}
.gallery-grid .ph { aspect-ratio: 1/1; min-height: 0; border: none; }
.gallery-grid figure { margin: 0; position: relative; aspect-ratio: 1/1; overflow: hidden; }
.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.gallery-grid figure:hover img { transform: scale(1.04); }
.gallery-grid figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 8px 12px;
  font-size: 12.5px;
  color: var(--white);
  background: linear-gradient(to top, rgba(44,54,41,0.75), transparent);
}
@media (max-width: 700px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   Programs
   ========================================================================== */
.program-list { }
.program-item {
  padding: 48px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
}
.program-item:last-child { border-bottom: 1px solid var(--line); }
.program-item .p-num { font-family: var(--font-serif); font-size: 15px; color: var(--clay); }
.program-item h3 { font-size: 26px; margin: 10px 0 0; }
.program-item p { color: var(--ink-soft); margin-bottom: 18px; max-width: 640px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-pill {
  font-size: 13px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: 2px;
}

@media (max-width: 760px) {
  .program-item { grid-template-columns: 1fr; gap: 14px; }
}

/* ==========================================================================
   Instructors
   ========================================================================== */
.instructor-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding: 56px 0;
  border-top: 1px solid var(--line);
}
.instructor-card:last-child { border-bottom: 1px solid var(--line); }
.instructor-photo {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  width: 100%;
  border: 1px solid var(--line);
}
.instructor-name { font-size: 26px; margin-bottom: 4px; }
.instructor-role { color: var(--clay); font-size: 14.5px; margin-bottom: 26px; font-weight: 500; }
.instructor-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.instructor-cols h5 {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
  font-family: var(--font-sans);
  font-weight: 600;
}
.instructor-cols ul li {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-soft);
  padding-left: 14px;
  position: relative;
}
.instructor-cols ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 4px; height: 1px;
  background: var(--ink-soft);
}
.instructor-cols .current { color: var(--pine); font-weight: 700; }

@media (max-width: 860px) {
  .instructor-card { grid-template-columns: 1fr; gap: 24px; }
  .instructor-photo { max-width: 220px; }
  .instructor-cols { grid-template-columns: 1fr; gap: 24px; }
}

/* ==========================================================================
   Reviews
   ========================================================================== */
.review-list { display: flex; flex-direction: column; }
.review-item { padding: 36px 0; border-top: 1px solid var(--line); }
.review-item:last-child { border-bottom: 1px solid var(--line); }
.review-stars { color: var(--clay); font-size: 15px; margin-bottom: 14px; letter-spacing: 2px; }
.review-item p.quote { font-size: 16px; color: var(--ink); margin-bottom: 14px; max-width: 780px; }
.review-author { font-size: 13.5px; color: var(--ink-soft); }
.review-cta { text-align: center; padding-top: 40px; }

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.case-grid figure { margin: 0; }
.case-grid img {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
}
@media (max-width: 700px) {
  .case-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-group + .faq-group { margin-top: 56px; }
.faq-group-title { font-size: 20px; margin-bottom: 6px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  text-align: left;
  padding: 22px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 16px;
  font-weight: 500;
}
.faq-q .plus {
  flex-shrink: 0;
  width: 20px; height: 20px;
  position: relative;
}
.faq-q .plus::before, .faq-q .plus::after {
  content: "";
  position: absolute;
  background: var(--pine);
  transition: transform 0.2s ease;
}
.faq-q .plus::before { top: 9px; left: 0; width: 20px; height: 2px; }
.faq-q .plus::after { top: 0; left: 9px; width: 2px; height: 20px; }
.faq-item[data-open="true"] .plus::after { transform: rotate(90deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-a-inner { padding: 0 4px 24px; color: var(--ink-soft); font-size: 15px; max-width: 760px; }
.faq-item[data-open="true"] .faq-a { max-height: 600px; }

/* ==========================================================================
   Story page principle list
   ========================================================================== */
.principle-list { }
.principle-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.principle-item:last-child { border-bottom: 1px solid var(--line); }
.principle-item .p-idx { font-family: var(--font-serif); font-size: 22px; color: var(--clay); }
.principle-item h4 { font-size: 17.5px; margin-bottom: 8px; }
.principle-item p { color: var(--ink-soft); font-size: 15px; }

/* ==========================================================================
   Utility
   ========================================================================== */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.eyebrow-center { display: flex; justify-content: center; }

/* ==========================================================================
   Reserve Modal
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(38, 36, 32, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  max-width: 400px;
  width: 100%;
  padding: 44px 32px 32px;
  text-align: center;
}
.modal-box h3 { font-size: 21px; margin-bottom: 10px; }
.modal-box p { color: var(--ink-soft); font-size: 14.5px; margin-bottom: 28px; }
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  font-size: 22px;
  line-height: 1;
  color: var(--ink-soft);
}
.modal-close:hover { color: var(--ink); }
.modal-btn-row { display: flex; flex-direction: column; gap: 12px; }
.modal-btn-row .btn { width: 100%; }

/* ==========================================================================
   Scroll reveal (restrained — section-level only, fires once)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Hover refinements (hairline rows — no shadows, matches brand system)
   ========================================================================== */
.program-item,
.instructor-card,
.review-item,
.principle-item,
.feature-list li {
  transition: background-color 0.25s ease;
}
.program-item:hover,
.instructor-card:hover,
.review-item:hover,
.principle-item:hover,
.feature-list li:hover {
  background-color: var(--surface);
}
.faq-q { transition: color 0.2s ease; }
.faq-q:hover { color: var(--pine); }