/* ============================================
   뜨뜻상점 — design system
   ============================================ */

:root {
  /* Palette — 뜨개방 무드, 톤다운 그린 */
  --cream:      #EFF1EB;
  --cream-2:    #E2E7DB;
  --wool:       #C6D1BC;
  --brown:      #2B3A2E;
  --brown-soft: #4C6053;
  --terracotta: #6E8F72;
  --terracotta-dark: #536B57;
  --sage:       #98AE98;

  /* Typography */
  --serif: "Gowun Batang", "Nanum Myeongjo", serif;
  --sans:  "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  --display: "Playfair Display", "Gowun Batang", serif;

  /* Layout */
  --maxw: 1120px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 8px 32px rgba(43, 58, 46, 0.10);
  --shadow-card: 0 4px 20px rgba(43, 58, 46, 0.07);
}

/* ============================================
   Reset / Base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--brown);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s ease, color .2s ease; }
a:hover { opacity: .75; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; color: var(--brown); letter-spacing: -.01em; }
p { margin: 0 0 1em; }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { opacity: 1; transform: translateY(-1px); }
.btn--primary {
  background: var(--terracotta);
  color: #fff;
  box-shadow: 0 4px 14px rgba(110, 143, 114, 0.30);
}
.btn--primary:hover { background: var(--terracotta-dark); box-shadow: 0 6px 18px rgba(83, 107, 87, 0.35); }
.btn--secondary {
  background: var(--brown);
  color: var(--cream);
}
.btn--secondary:hover { background: var(--brown-soft); }
.btn--ghost {
  background: transparent;
  color: var(--brown);
  border-color: var(--brown);
}
.btn--ghost:hover { background: var(--brown); color: var(--cream); }
.btn--lg { padding: 16px 28px; font-size: 16px; }

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(239, 241, 235, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.is-scrolled { border-bottom-color: rgba(43, 58, 46, 0.08); }
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
}
.nav__logo-mark {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--terracotta), var(--wool));
  display: inline-block;
}
.nav__menu {
  display: flex;
  gap: 28px;
  font-size: 15px;
  font-weight: 500;
}
.nav__menu a { position: relative; padding: 6px 2px; }
.nav__menu a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--terracotta);
  border-radius: 2px;
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--brown);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  padding: 140px 24px 120px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%);
  text-align: center;
  overflow: hidden;
}
.hero__inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero__logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 28px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: var(--wool);
  position: relative;
}
.hero__logo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__logo-fallback {
  display: none;
  width: 100%; height: 100%;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--brown);
  background: linear-gradient(135deg, var(--wool), var(--terracotta));
}
.hero__brand {
  margin: 0 0 14px;
  font-size: clamp(36px, 6vw, 56px);
  letter-spacing: -.02em;
}
.hero__tagline {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--brown-soft);
  margin: 0 0 40px;
}
.hero__cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  color: var(--cream);
  line-height: 0;
}
.hero__wave svg { width: 100%; height: 60px; }

/* ============================================
   SECTION base
   ============================================ */
.section {
  padding: 100px 24px;
}
.section--cream { background: var(--cream); }
.section--wool  { background: var(--cream-2); }

.section__head {
  max-width: var(--maxw);
  margin: 0 auto 56px;
  text-align: center;
}
.section__kicker {
  display: inline-block;
  font-family: var(--display);
  font-style: italic;
  font-size: 14px;
  color: var(--terracotta);
  letter-spacing: .08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section__title {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 40px);
}
.section__lead {
  max-width: 520px;
  margin: 0 auto;
  color: var(--brown-soft);
  font-size: 16px;
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) { .portfolio__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .portfolio__grid { grid-template-columns: repeat(3, 1fr); } }

.portfolio__card {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--wool);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: block;
  transition: transform .3s ease, box-shadow .3s ease;
}
.portfolio__card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(43, 58, 46, 0.12); opacity: 1; }
.portfolio__card.is-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-linear-gradient(
    45deg,
    var(--wool),
    var(--wool) 12px,
    var(--cream-2) 12px,
    var(--cream-2) 24px
  );
  color: var(--brown-soft);
  font-family: var(--serif);
  font-size: 18px;
}
.portfolio__card.is-placeholder span {
  padding: 8px 18px;
  background: rgba(250, 245, 238, 0.9);
  border-radius: 999px;
  font-size: 14px;
}

/* ---- Instagram iframe 임베드: 가운데 이미지만 보이게 크롭 ----
   인스타 embed iframe 구조: [헤더 ~54px][정사각 이미지][캡션/푸터]
   카드(정사각)를 창(viewport)으로 쓰고, iframe을 위로 54px 밀어 이미지만 노출.
   이미지 폭 = 카드 폭 = 카드 높이 이므로 자연스럽게 맞음.
*/
.portfolio__card--embed {
  cursor: pointer;
  background: var(--wool);
}
.portfolio__card--embed iframe {
  position: absolute;
  top: -54px;           /* 헤더 숨김 */
  left: 0;
  width: 100%;
  /* 카드 높이(=폭) + 상단 숨김(54px) + 하단 여유(큰 값) 확보 */
  height: calc(100% + 54px + 400px);
  border: 0;
  pointer-events: none; /* a 태그가 클릭 받도록 */
  background: #fff;
}
/* 임베드 위에 투명 오버레이로 호버 톤 */
.portfolio__card--embed::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(43, 58, 46, 0);
  transition: background .25s ease;
  pointer-events: none;
  z-index: 1;
}
.portfolio__card--embed:hover::after {
  background: rgba(43, 58, 46, 0.08);
}
/* (legacy) blockquote 임베드가 남아있을 경우 대비 */
.portfolio__card .instagram-media {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  margin: 0 !important;
  border: none !important;
  box-shadow: none !important;
  background: #fff !important;
}

.portfolio__more {
  text-align: center;
  margin-top: 48px;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 860px) {
  .about { grid-template-columns: 1fr 1.4fr; gap: 72px; }
}
.about__image {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--wool);
  box-shadow: var(--shadow-soft);
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
}
.about__image img { width: 100%; height: 100%; object-fit: cover; }
.about__body .section__kicker { margin-bottom: 8px; }
.about__body .section__title { margin-bottom: 24px; }
.about__body p {
  color: var(--brown-soft);
  font-size: 16px;
  line-height: 1.9;
}

/* About 내부에 통합된 문의 블록 */
.about__contact {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(43, 58, 46, 0.12);
}
.about__contact-title {
  margin: 0 0 10px;
  font-size: 20px;
  font-family: var(--serif);
  color: var(--brown);
}
.about__contact-lead {
  margin: 0 0 20px;
  font-size: 15px;
  color: var(--brown-soft);
  line-height: 1.8;
}
.about__contact-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.about__contact-note {
  margin: 0;
  font-size: 13px;
  color: var(--brown-soft);
  background: rgba(255, 255, 255, 0.5);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  line-height: 1.7;
}

/* ============================================
   CLASSES
   ============================================ */
.classes {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 760px) { .classes { grid-template-columns: 1fr 1fr; } }

.class-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(43, 58, 46, 0.07);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.class-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(43, 58, 46, 0.1); }
.class-card__tag {
  align-self: flex-start;
  background: var(--wool);
  color: var(--brown);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  letter-spacing: .05em;
}
.class-card:nth-child(2) .class-card__tag {
  background: var(--sage);
  color: #fff;
}
.class-card__title { margin: 0; font-size: 24px; }
.class-card__desc { margin: 0; color: var(--brown-soft); font-size: 15px; line-height: 1.8; }
.class-card__meta {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--brown-soft);
  font-size: 14px;
}
.class-card .btn { align-self: flex-start; margin-top: auto; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--brown);
  color: var(--cream);
  padding: 48px 24px;
  text-align: center;
}
.footer__inner { max-width: var(--maxw); margin: 0 auto; }
.footer__brand {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0 0 12px;
  color: var(--cream);
}
.footer__meta {
  font-size: 14px;
  color: rgba(239, 241, 235, 0.7);
  margin: 0;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.footer__meta a { color: var(--cream); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================
   Mobile nav
   ============================================ */
@media (max-width: 720px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--cream);
    border-top: 1px solid rgba(43, 58, 46, 0.08);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .nav.is-open .nav__menu { max-height: 400px; }
  .nav__menu a {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(43, 58, 46, 0.07);
  }
  .nav__menu a:last-child { border-bottom: none; }
  .hero { padding: 120px 24px 100px; }
  .section { padding: 72px 20px; }
}

/* ============================================
   Reduced motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}