/* ==========================================================================
   제이앤스튜디오(JN STUDIO) 공통 스타일
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-surface: #f6f4f1;
  --color-text: #1a1a1a;
  --color-muted: #7a756d;
  --color-line: #e6e2db;
  --color-accent: #9c7a4e;
  --color-accent-dark: #7e6240;
  --color-dark: #17181a;
  --color-dark-muted: #b9b6b0;
  --header-h: 76px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont,
    'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; }

p { margin: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--surface { background: var(--color-surface); }
.section--dark { background: var(--color-dark); color: #fff; }

.section-head { max-width: 640px; margin-bottom: 48px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title { font-size: 34px; line-height: 1.3; }
.section-desc { margin-top: 16px; color: var(--color-muted); font-size: 16px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--color-text);
  color: var(--color-text);
}
.btn-outline:hover { background: var(--color-text); color: #fff; }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-outline-light:hover { background: #fff; color: var(--color-dark); }

.btn-block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: 21px;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--color-accent);
}
.logo span {
  font-weight: 400;
}
.logo-mark {
  width: 34px;
  height: 34px;
  object-fit: contain;
  flex: none;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-desktop a {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--color-text);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.nav-desktop a:hover,
.nav-desktop a.active {
  border-bottom-color: var(--color-accent);
}
.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-cta .btn { padding: 11px 22px; font-size: 14px; }

.nav-icons { display: flex; align-items: center; gap: 10px; }
.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  color: var(--color-text);
  transition: all 0.2s ease;
  flex: none;
}
.nav-icon svg { width: 20px; height: 20px; border-radius: 6px; }
.nav-icon:hover,
.nav-icon.active {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  display: block;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  height: calc(100vh - var(--header-h));
  background: #fff;
  z-index: 199;
  padding: 32px 24px;
  overflow-y: auto;
}
.nav-mobile.is-open { display: block; }
.nav-mobile a {
  display: block;
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 0.02em;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
}
.nav-mobile .btn { margin-top: 24px; }
.nav-mobile-icons {
  display: flex;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-line);
}
.nav-mobile-icons .nav-icon { width: 46px; height: 46px; }
.nav-mobile-icons .nav-icon svg { width: 24px; height: 24px; border-radius: 7px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: clamp(32px, 6vh, 80px);
  background: var(--color-dark) url('images/메인사진.webp?v=4') center/cover no-repeat;
  color: var(--color-text);
  overflow: hidden;
}
.hero .container { position: relative; z-index: 1; }
.hero-eyebrow {
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-dark-muted);
  margin-bottom: 20px;
  font-weight: 700;
}
.hero h1 {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: clamp(15px, 1.8vw, 20px);
  font-weight: 400;
  letter-spacing: 0.5em;
  padding-left: 0.5em;
  text-transform: uppercase;
  line-height: 1.4;
  max-width: none;
  text-shadow: 0 1px 6px rgba(255,255,255,0.8);
}
.hero-title-thin { font-weight: 200; }
.hero p {
  margin-top: 24px;
  font-size: 18px;
  color: var(--color-dark-muted);
  max-width: 560px;
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero--center { text-align: center; }
.hero--center .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero--center h1 { max-width: 780px; }
.hero--center p { max-width: 540px; }
.hero--center .hero-actions { justify-content: center; }

/* ---------- Editorial feed (이미지-텍스트 교차 배치) ---------- */
.feed {
  display: flex;
  flex-direction: column;
  gap: 88px;
  margin-top: 24px;
}
.feed-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
}
.feed-row--reverse { direction: rtl; }
.feed-row--reverse > * { direction: ltr; }
.feed-text .tag { margin-bottom: 14px; }
.feed-text h3 { font-size: 26px; margin-bottom: 14px; }
.feed-text p {
  color: var(--color-muted);
  font-size: 15px;
  max-width: 440px;
  margin-bottom: 26px;
}

/* ---------- Page header (내부 페이지 상단) ---------- */
.page-hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
}
.page-hero .eyebrow { margin-bottom: 12px; }
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); }
.page-hero p { margin-top: 16px; color: var(--color-muted); font-size: 16px; max-width: 620px; }

/* ---------- Placeholder image ---------- */
.ph-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  background:
    repeating-linear-gradient(45deg, #efece6 0 2px, #f6f4f1 2px 18px);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
}
.ph-image span { padding: 0 16px; }
.ph-image--square { aspect-ratio: 1 / 1; }
.ph-image--wide { aspect-ratio: 16 / 9; }

/* ---------- Grid / cards ---------- */
.grid {
  display: grid;
  gap: 32px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card-project { display: block; }
.card-project .ph-image { margin-bottom: 18px; }
.card-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 18px;
  display: block;
}
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(156,122,78,0.1);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.card-project h3 { font-size: 18px; margin-bottom: 6px; }
.card-project p { color: var(--color-muted); font-size: 14px; }

/* ---------- Process timeline ---------- */
.timeline { display: flex; flex-direction: column; }
.timeline-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  padding: 36px 0;
  border-top: 1px solid var(--color-line);
}
.timeline-step:last-child { border-bottom: 1px solid var(--color-line); }
.timeline-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-accent);
}
.timeline-body h3 { font-size: 21px; margin-bottom: 10px; }
.timeline-body p { color: var(--color-muted); font-size: 15px; max-width: 640px; }

/* ---------- Contact form ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}
.form-group .req { color: var(--color-accent); }
.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
}
textarea.form-control { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 24px;
}
.form-check input { margin-top: 3px; }
.form-note {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 12px;
}
.form-status {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.success { color: #3a7a4e; }
.form-status.error { color: #b3432b; }

.contact-info-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 36px;
}
.contact-info-card h3 { font-size: 19px; margin-bottom: 20px; }
.contact-info-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--color-line);
  font-size: 14px;
}
.contact-info-row:first-of-type { border-top: none; }
.contact-info-row strong { display: block; font-size: 13px; color: var(--color-muted); margin-bottom: 4px; font-weight: 700; }

/* ---------- Blog / Instagram pages ---------- */
.link-out-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--color-surface);
  border-radius: 16px;
  padding: 40px;
  flex-wrap: wrap;
}
.link-out-card h3 { font-size: 22px; margin-bottom: 10px; }
.link-out-card p { color: var(--color-muted); font-size: 15px; max-width: 480px; }

.instagram-feed {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.instagram-feed .ph-image { border-radius: 4px; aspect-ratio: 1/1; }

/* ---------- CTA band ---------- */
.cta-band {
  padding: 80px 0;
  background: var(--color-dark);
  color: #fff;
  text-align: center;
}
.cta-band h2 { font-size: clamp(24px, 3.6vw, 36px); margin-bottom: 16px; }
.cta-band p { color: var(--color-dark-muted); margin-bottom: 32px; }
.cta-band .btn-group { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: var(--color-dark-muted);
  padding: 64px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer-col h4 {
  color: #fff;
  font-family: 'Jost', 'Pretendard Variable', sans-serif;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.16em;
  margin-bottom: 18px;
}
.footer-col li {
  font-family: 'Jost', 'Pretendard Variable', sans-serif;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Floating CTA (JS로 삽입) ---------- */
.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 250;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

/* ---------- 카카오톡 상담 버튼 (JS로 삽입) ---------- */
.chatbot-toggle {
  position: fixed;
  right: 24px;
  bottom: 90px;
  z-index: 250;
  height: 52px;
  display: inline-flex;
  align-items: center;
  background: #fff;
  border-radius: 999px;
  padding: 3px 20px 3px 3px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  text-decoration: none;
  cursor: pointer;
}
.chatbot-toggle .kakao-icon-circle {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #FEE500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chatbot-toggle svg { width: 24px; height: 24px; fill: #000; }
.chatbot-toggle .kakao-text {
  margin-left: 10px;
  font-weight: 800;
  font-size: 15px;
  color: #000;
  white-space: nowrap;
}

.chatbot-panel {
  position: fixed;
  right: 24px;
  bottom: 156px;
  z-index: 260;
  width: 340px;
  max-width: calc(100vw - 48px);
  height: 460px;
  max-height: calc(100vh - 200px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.28);
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-line);
}
.chatbot-panel.is-open { display: flex; }

.chatbot-header {
  background: var(--color-dark);
  color: #fff;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 14px;
  flex: none;
}
.chatbot-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-surface);
}

.chatbot-message {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.5;
  white-space: pre-wrap;
}
.chatbot-message--assistant {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--color-line);
  color: var(--color-text);
  border-bottom-left-radius: 4px;
}
.chatbot-message--user {
  align-self: flex-end;
  background: var(--color-accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chatbot-message--typing { opacity: 0.6; font-style: italic; }

.chatbot-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--color-line);
  background: #fff;
  flex: none;
}
.chatbot-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 13.5px;
  font-family: inherit;
}
.chatbot-input:focus { outline: none; border-color: var(--color-accent); }
.chatbot-input-row .btn { padding: 10px 18px; font-size: 13px; }

@media (max-width: 480px) {
  .chatbot-panel {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: 148px;
  }
  .chatbot-toggle { right: 16px; bottom: 84px; }
}

/* ---------- Project detail page ---------- */
.project-meta { display: flex; gap: 32px; flex-wrap: wrap; margin-top: 24px; }
.project-meta div { font-size: 14px; color: var(--color-muted); }
.project-meta strong {
  display: block;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 4px;
}
.project-photos { display: flex; flex-direction: column; gap: 20px; max-width: 900px; margin: 0 auto; }
.project-photos img,
.project-photos video {
  width: 100%;
  border-radius: 10px;
  display: block;
  background: var(--color-surface);
}
.video-embed-vertical {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-surface);
}
.video-embed-vertical iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-embed-vertical a {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.video-embed-vertical a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.video-embed-vertical .play-badge {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(0,0,0,0.4);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  transition: background 0.2s ease;
}
.video-embed-vertical a:hover .play-badge { background: rgba(0,0,0,0.55); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .feed-row { grid-template-columns: 1fr; direction: ltr; gap: 28px; }
  .feed { gap: 56px; }
}

@media (max-width: 720px) {
  .nav-desktop, .nav-cta .btn-outline, .nav-icons { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr 1fr; }
  .timeline-step { grid-template-columns: 56px 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .link-out-card { flex-direction: column; align-items: flex-start; }
  .instagram-feed { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .instagram-feed { grid-template-columns: repeat(2, 1fr); }
}