/* =========================================================
   Brand Digging Club — 소개(About) 페이지
   디자인 시스템은 bdc_site/css/style.css 와 동일 토큰을 공유한다 (브랜드 일관성)
   구성: Header / ATF / 소속회사 롤링배너 / 후기(탭 필터) / Before&After / Why BDC /
        Inside BDC(프로그램) / How To Join(가격) / Partnership / FAQ / Footer
   ========================================================= */

:root {
  --page: #FFF7EB;
  --bg: #FFFFFF;
  --surface: #FFF7EB;
  --surface-2: #F9EDDA;
  --border: #F0E3CE;
  --border-strong: #DFCCAD;
  --text-primary: #1A1A1A;
  --text-secondary: #5C5648;
  --text-muted: #A89F8D;
  --brand: #EE2C2D;
  --brand-hover: #D42122;
  --brand-light: #FDEAEA;
  --brand-dark: #B71617;
  --accent: #3BACF1;
  --accent-dark: #1B7FC2;
  --accent-light: #E5F4FE;
  --success: #0E7A4E;
  --success-bg: #E8F6EE;
  --warning: #B45309;
  --warning-bg: #FFF4DC;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--page);
  color: var(--text-primary);
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }
img { display: block; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .container { padding: 0 40px; } }

/* ═══ 공통 컴포넌트 ═══ */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 100px; white-space: nowrap; flex-shrink: 0; }
.badge-brand { background: var(--text-primary); color: var(--page); }
.badge-gray { background: var(--surface-2); color: var(--text-secondary); }
.badge-accent { background: var(--accent-light); color: var(--accent-dark); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: inherit; font-size: 15px; font-weight: 600; padding: 13px 24px; border-radius: 10px; border: none; cursor: pointer; transition: all 150ms ease; min-height: 44px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-strong); }
.btn-secondary:hover { background: var(--surface); }
.btn-block { width: 100%; }

/* ═══ 공지 띠배너 (diggingchat.vercel.app과 동일 구조) ═══ */
.announce-bar { display: block; background: var(--brand-dark); color: #fff; text-align: center; font-size: 13px; font-weight: 700; line-height: 1.5; padding: 10px 24px; text-decoration: none; }
.announce-bar:hover { background: #000; }
@media (min-width: 768px) { .announce-bar { padding: 10px 40px; } }

/* ═══ 1) Header (diggingchat.vercel.app과 동일 구조, 모든 페이지 동일 높이로 고정) ═══ */
.site-nav { border-bottom: 1px solid var(--border); background: var(--page); position: sticky; top: 0; z-index: 40; }
.site-nav-inner { display: flex; justify-content: space-between; align-items: center; min-height: 64px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; gap: 8px 16px; box-sizing: border-box; }
.site-nav .brand { display: flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 800; letter-spacing: -0.02em; white-space: nowrap; }
.site-nav .brand img { height: 30px; width: auto; flex-shrink: 0; }
.site-nav .nav-cta { font-size: 13px; font-weight: 600; background: var(--brand); color: #fff; padding: 9px 16px; border-radius: 100px; }
.site-nav .nav-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; row-gap: 6px; }
.site-nav .nav-link { font-size: 13px; font-weight: 600; color: var(--text-secondary); text-decoration: none; }
.site-nav .nav-link:hover, .site-nav .nav-link.active { color: var(--text-primary); }
@media (max-width: 480px) { .site-nav .nav-right { gap: 12px; } }

/* 하단 둥둥 떠있는 가입 CTA (diggingchat.vercel.app과 동일) */
.floating-cta { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: inline-flex; align-items: center; gap: 6px; background: var(--brand); color: #fff; font-size: 14px; font-weight: 700; padding: 14px 22px; border-radius: 100px; text-decoration: none; box-shadow: 0 10px 28px rgba(0,0,0,0.18); animation: bdcFloatBob 2.6s ease-in-out infinite; transition: background 150ms ease; }
.floating-cta:hover { background: var(--brand-hover); animation-play-state: paused; }
@keyframes bdcFloatBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@media (max-width: 640px) { .floating-cta { right: 14px; bottom: 14px; padding: 12px 18px; font-size: 13px; } }

/* ═══ 2) ATF (Hero) ═══ */
.hero { position: relative; overflow: hidden; padding: clamp(64px, 9vw, 120px) 0 clamp(48px, 6vw, 80px); text-align: center;
  background:
    radial-gradient(640px 340px at 50% -60px, #FFE7CB 0%, rgba(255,231,203,0) 70%),
    radial-gradient(520px 340px at 88% 18%, rgba(238,44,45,0.08), transparent 62%),
    radial-gradient(480px 320px at 8% 80%, rgba(238,44,45,0.06), transparent 62%);
}
.hero .container { position: relative; }
.hero-eyebrow { margin-bottom: 22px; }
.hero h1 { font-size: clamp(28px, 5vw, 50px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.25; margin: 20px 0 16px; }
.hero .desc { font-size: clamp(14px, 1.6vw, 16px); color: var(--text-secondary); max-width: 520px; margin: 0 auto 30px; line-height: 1.75; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.marker { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12' preserveAspectRatio='none'%3E%3Cpath d='M3 9 Q 30 3 60 7 T 117 5' fill='none' stroke='%23EE2C2D' stroke-width='5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center calc(100% - 0.02em)/100% 0.22em; padding-bottom: 0.14em; }

/* 떠다니는 배지형 통계 카드 (bdc_site 히어로와 동일 패턴) */
.float-obj { position: absolute; background: var(--bg); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 10px 30px rgba(174,120,58,0.14); padding: 13px 16px; font-size: 12px; text-align: left;
  line-height: 1.5; display: none; animation: floaty 6s ease-in-out infinite; z-index: 1; }
@media (min-width: 960px) { .float-obj { display: block; } }
.float-obj b { font-size: 16px; font-weight: 800; display: block; color: var(--brand); }
.float-obj .sub { color: var(--text-muted); font-size: 11px; white-space: nowrap; }
.fo-1 { --r: -7deg; left: 1%; top: 18%; }
.fo-2 { --r: 6deg; right: 1%; top: 15%; animation-delay: 1.3s; }
.fo-3 { --r: -4deg; right: 5%; bottom: 10%; animation-delay: 2.4s; }
@keyframes floaty { 0%, 100% { transform: rotate(var(--r)) translateY(0); } 50% { transform: rotate(var(--r)) translateY(-12px); } }

.star-doodle { position: absolute; z-index: 0; opacity: 0.9; animation: floaty 7s ease-in-out infinite; display: none; }
@media (min-width: 768px) { .star-doodle { display: block; } }
.sd-1 { --r: -12deg; left: 14%; top: 10%; width: 24px; }
.sd-2 { --r: 18deg; right: 16%; top: 60%; width: 18px; animation-delay: 1.8s; }
.sd-3 { --r: 8deg; left: 24%; bottom: 6%; width: 16px; animation-delay: 3s; }
@media (prefers-reduced-motion: reduce) { .float-obj, .star-doodle { animation: none; } }

/* ═══ 섹션 공통 ═══ */
.sec { padding: clamp(40px, 6vw, 84px) 0; }
.sec-alt { background: var(--bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto clamp(28px, 4vw, 44px); }
.sec-title { font-size: clamp(22px, 3.2vw, 32px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; line-height: 1.35; }
.sec-title-xl { font-size: clamp(30px, 5.4vw, 52px); letter-spacing: -0.03em; line-height: 1.22; }
.sec-sub { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ═══ 3) 멤버 소속 회사 (롤링 배너, 흰 배경) ═══ */
.logo-wall-wrap { padding: clamp(28px, 4vw, 44px) 0; background: var(--bg); }
.logo-wall-head { text-align: center; font-size: 13px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.02em; margin-bottom: 24px; }
.logo-marquee-wrap { background: var(--bg); overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, black 60px, black calc(100% - 60px), transparent); mask-image: linear-gradient(90deg, transparent, black 60px, black calc(100% - 60px), transparent); }
.logo-marquee-track { display: flex; width: max-content; align-items: center; gap: 56px; padding: 4px 28px; animation: logo-roll 26s linear infinite; }
@keyframes logo-roll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (hover: hover) and (pointer: fine) { .logo-marquee-wrap:hover .logo-marquee-track { animation-play-state: paused; } }
@media (prefers-reduced-motion: reduce) { .logo-marquee-track { animation: none; overflow-x: auto; } }

/* 실제 로고 이미지 — 카드/테두리 없이 흰 배경 위에 그대로 */
.logo-img { flex: 0 0 auto; height: 34px; display: flex; align-items: center; }
.logo-img img { height: 100%; width: auto; max-width: 140px; object-fit: contain; }

/* ═══ 4) 소개 영상 (ATF 스타일 유지: star-doodle 등 재사용) ═══ */
.testi-sec {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(560px 300px at 90% -40px, #FFE7CB 0%, rgba(255,231,203,0) 70%),
    radial-gradient(480px 300px at 6% 20%, rgba(238,44,45,0.07), transparent 62%),
    radial-gradient(440px 280px at 95% 90%, rgba(238,44,45,0.06), transparent 62%);
}
.testi-sec .container { position: relative; }
.sd-story-1 { --r: -10deg; left: 20px; top: 14px; }

.video-embed { position: relative; max-width: 900px; margin: 0 auto; aspect-ratio: 16 / 9; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 32px rgba(0,0,0,0.12); background: #000; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ═══ Before & After (이런 고민 해본 적 있지 않나요?) ═══ */
/* 이런 고민 → 아티클 롤링 */
.doubt-block { max-width: 900px; margin: 0 auto clamp(40px, 5vw, 56px); text-align: center; }
.doubt-pain { font-size: 14px; color: var(--text-muted); font-weight: 600; margin-bottom: 8px; }
.doubt-solution { font-size: clamp(18px, 2.6vw, 24px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 22px; }

.article-marquee-wrap { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, black 40px, black calc(100% - 40px), transparent); mask-image: linear-gradient(90deg, transparent, black 40px, black calc(100% - 40px), transparent); margin-bottom: 16px; }
.article-marquee-track { display: flex; gap: 16px; width: max-content; padding: 4px; animation: partner-roll 32s linear infinite; }
@media (hover: hover) and (pointer: fine) { .article-marquee-wrap:hover .article-marquee-track { animation-play-state: paused; } }
@media (prefers-reduced-motion: reduce) { .article-marquee-track { animation: none; overflow-x: auto; } }

.article-card { flex: 0 0 auto; width: 200px; display: block; border-radius: 14px; overflow: hidden; background: var(--bg); border: 1px solid var(--border); text-align: left; box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04); transition: box-shadow 200ms ease, transform 200ms ease; }
.article-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.12); transform: translateY(-2px); }
.article-card img { width: 100%; height: 130px; object-fit: cover; }
.article-card-title { display: block; padding: 12px 14px; font-size: 12.5px; font-weight: 700; line-height: 1.5; }

.doubt-more { display: inline-block; font-size: 13px; font-weight: 700; color: var(--text-primary); text-decoration: underline; text-underline-offset: 3px; }
.doubt-more:hover { color: var(--brand); }

/* 첫 번째 doubt-block 리메이크 — ATF급 헤드라인 + 둥둥 뜨는 아티클 카드 + 스크롤 회오리 배경 */
.doubt-hero { position: relative; overflow: hidden; border-radius: 28px; text-align: center; padding: clamp(32px, 5vw, 48px) clamp(16px, 4vw, 32px) clamp(20px, 3vw, 28px); margin: 0 auto clamp(40px, 5vw, 52px); max-width: 1080px; }
.doubt-hero > * { position: relative; z-index: 1; }

.doubt-hero-bg { position: absolute; inset: -30%; z-index: 0; pointer-events: none;
  background: conic-gradient(from 0deg at 50% 50%, rgba(238,44,45,0.18), rgba(255,178,84,0.16), rgba(59,172,241,0.12), rgba(255,178,84,0.16), rgba(238,44,45,0.18));
  filter: blur(70px);
  transform: scale(var(--swirl-scale, 1)) rotate(var(--swirl-rotate, 0deg));
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) { .doubt-hero-bg { transform: none !important; } }

.doubt-hero-pain { font-size: clamp(22px, 3.6vw, 34px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.3; margin-bottom: 10px; }
.doubt-hero .doubt-solution { margin-bottom: 28px; }

.doubt-hero .sd-m1 { --r: -14deg; left: 4%; top: 6%; width: 22px; animation-delay: 0.4s; }
.doubt-hero .sd-m2 { --r: 20deg; left: 30%; top: 82%; width: 16px; animation-delay: 2.6s; }
.doubt-hero .sd-m3 { --r: -8deg; right: 24%; top: 4%; width: 24px; animation-delay: 1.5s; }
.doubt-hero .sd-m4 { --r: 12deg; right: 3%; top: 70%; width: 14px; animation-delay: 3.4s; }

.doubt-float-stage { position: relative; max-width: 900px; margin: 0 auto clamp(8px, 1.5vw, 14px); min-height: 220px; }
.doubt-float-card { position: absolute; width: 128px; display: block; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; text-align: left; text-decoration: none; color: inherit; box-shadow: 0 10px 28px rgba(0,0,0,0.10); animation: floaty 6.5s ease-in-out infinite; transition: box-shadow 200ms ease, transform 200ms ease; }
.doubt-float-card:hover { box-shadow: 0 16px 36px rgba(0,0,0,0.16); }
.doubt-float-card img { width: 100%; height: 72px; object-fit: cover; display: block; }
.doubt-float-card span { display: block; padding: 7px 9px 9px; font-size: 10.5px; font-weight: 700; line-height: 1.4; }
.df-1 { left: 0%; top: 0%; --r: -8deg; animation-delay: 0s; }
.df-2 { left: 20%; top: 52%; --r: 6deg; animation-delay: 1.1s; }
.df-3 { left: 42%; top: 4%; --r: -5deg; animation-delay: 2.2s; }
.df-4 { right: 16%; top: 46%; --r: 9deg; animation-delay: 0.6s; }
.df-5 { right: 0%; top: 2%; --r: -10deg; animation-delay: 1.8s; }

@media (max-width: 959px) {
  .doubt-float-stage { min-height: 0; display: flex; gap: 12px; overflow-x: auto; padding: 4px 4px 12px; -webkit-mask-image: linear-gradient(90deg, transparent, black 20px, black calc(100% - 20px), transparent); mask-image: linear-gradient(90deg, transparent, black 20px, black calc(100% - 20px), transparent); }
  .doubt-float-card { position: static; flex: 0 0 140px; animation: none; }
  .doubt-float-card img { height: 80px; }
}

.doubt-card { max-width: 640px; margin: 0 auto; background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: clamp(28px, 4vw, 40px); box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04); }
.doubt-answer { display: flex; flex-direction: column; }
.doubt-answer-text { text-align: center; font-size: clamp(19px, 2.6vw, 24px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.5; margin-bottom: 22px; }
.doubt-answer .mission-media { max-width: 220px; margin: 0 auto 20px; }
.doubt-answer .mission-body p { font-size: 13.5px; }

/* ═══ 5) Why Brand Digging Club ═══ */
.mission-body { max-width: 640px; margin: 0 auto; text-align: center; }
.mission-body p { font-size: 15px; color: var(--text-secondary); line-height: 1.9; margin-bottom: 16px; }
.mission-body p:last-child { margin-bottom: 0; }
.mission-body b { color: var(--text-primary); }
.mission-media { max-width: 320px; margin: 0 auto clamp(24px, 4vw, 36px); }
.mission-media img { width: 100%; height: auto; }

/* 이런 고민 → 브랜드 디깅 클럽 연결부 */

/* ═══ 6) Inside Brand Digging Club (프로그램) ═══ */
.program-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 640px) { .program-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .program-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; } }
.program-card { background: var(--bg); border: 1px solid var(--border); border-radius: 18px; padding: 24px; display: flex; flex-direction: column; box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04); transition: box-shadow 200ms ease, transform 200ms ease; }
.program-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.10); transform: translateY(-2px); }
.program-card .tag { font-size: 11px; font-weight: 700; color: var(--accent-dark); letter-spacing: 0.04em; margin-bottom: 10px; }
.program-card b { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.program-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 14px; flex: 1; }
.program-card .lnk { font-size: 12.5px; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ═══ 7) How To Join (가격) ═══ */
.pricing-grid { display: grid; grid-template-columns: 1fr; gap: 18px; max-width: 720px; margin: 0 auto; }
@media (min-width: 640px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
.plan-card { background: var(--bg); border: 1px solid var(--border); border-radius: 18px; padding: 30px 26px; display: flex; flex-direction: column; box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04); transition: box-shadow 200ms ease, transform 200ms ease; }
.plan-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.10); transform: translateY(-2px); }
.plan-card.on { border-color: var(--brand); box-shadow: 0 4px 24px rgba(238,44,45,0.14); }
.plan-card .kicker { font-size: 12px; font-weight: 700; color: var(--brand); margin-bottom: 8px; }
.plan-card .name { font-size: 19px; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 4px; }
.plan-card .price { font-size: 26px; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 4px; }
.plan-card .price-note { font-size: 12px; color: var(--text-muted); margin-bottom: 20px; }
.plan-card ul { list-style: none; margin-bottom: 22px; flex: 1; }
.plan-card li { font-size: 13px; color: var(--text-secondary); padding: 6px 0 6px 18px; position: relative; line-height: 1.5; }
.plan-card li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; }

/* ═══ 8) Partnership (자동 롤링 슬라이드) ═══ */
.partner-marquee-wrap { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, black 40px, black calc(100% - 40px), transparent); mask-image: linear-gradient(90deg, transparent, black 40px, black calc(100% - 40px), transparent); }
.partner-marquee-track { display: flex; gap: 20px; width: max-content; padding: 14px 4px 10px; animation: partner-roll 28s linear infinite; }
@keyframes partner-roll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (hover: hover) and (pointer: fine) { .partner-marquee-wrap:hover .partner-marquee-track { animation-play-state: paused; } }
@media (prefers-reduced-motion: reduce) { .partner-marquee-track { animation: none; overflow-x: auto; } }

.partner-card { position: relative; flex: 0 0 auto; width: 340px; display: block; border-radius: 16px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04); transition: box-shadow 200ms ease, transform 200ms ease; aspect-ratio: 16 / 10; }
.partner-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.14); transform: translateY(-2px); }
.partner-card img { width: 100%; height: 100%; object-fit: cover; }

.partner-name-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(17,17,17,0.5); opacity: 0; transition: opacity 200ms ease; }
.partner-card:hover .partner-name-overlay { opacity: 1; }
.partner-name-overlay span { color: #fff; font-size: 22px; font-weight: 800; letter-spacing: -0.01em; }


/* ═══ FAQ ═══ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-q { width: 100%; display: flex; align-items: center; gap: 14px; padding: 20px 4px; background: none; border: none; text-align: left; font-family: inherit; cursor: pointer; color: var(--text-primary); }
.faq-q-text { flex: 1; font-size: 14.5px; font-weight: 700; }
.chevron { flex-shrink: 0; font-size: 16px; color: var(--text-muted); transition: transform 200ms ease; line-height: 1; }
.faq-item.on .chevron { transform: rotate(180deg); color: var(--text-primary); }

.faq-icon { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }
.faq-icon-q { background: var(--surface-2); color: var(--text-muted); }
.faq-icon-a { background: var(--accent-light); color: var(--accent-dark); align-self: flex-start; margin-top: 2px; }

.faq-a { max-height: 0; overflow: hidden; transition: max-height 220ms ease; }
.faq-a-box { display: flex; gap: 14px; align-items: flex-start; background: var(--surface); border-radius: 14px; padding: 16px 18px; margin: 0 4px 20px; }
.faq-a-box p { font-size: 13px; color: var(--text-secondary); line-height: 1.8; white-space: pre-line; }
.faq-a-box p a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; font-weight: 600; }

/* ═══ 9) Footer ═══ */
.site-footer { border-top: 1px solid var(--border); padding: clamp(32px, 5vw, 48px) 0; }
.footer-top { display: flex; justify-content: center; margin-bottom: 28px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border-strong); color: var(--text-secondary); display: flex; align-items: center; justify-content: center; transition: all 150ms ease; }
.footer-social a svg { width: 18px; height: 18px; }
.footer-social a:hover { background: var(--text-primary); border-color: var(--text-primary); color: var(--page); }
.footer-icon-at { font-size: 17px; font-weight: 800; font-family: Georgia, serif; }

.footer-legal { text-align: center; margin-bottom: 20px; }
.footer-legal p { font-size: 11.5px; color: var(--text-muted); line-height: 1.8; }
.footer-legal a { text-decoration: underline; text-underline-offset: 2px; }
.footer-legal a:hover { color: var(--text-secondary); }

.footer-bottom { display: flex; justify-content: center; align-items: center; font-size: 12px; color: var(--text-muted); padding-top: 20px; border-top: 1px solid var(--border); }

/* ═══ 가입 배너 ═══ */
.join-sec { padding: clamp(40px, 6vw, 88px) 0; }
.join-box { background: var(--bg); border: 1.5px solid var(--brand); border-radius: 22px; padding: clamp(32px, 5vw, 56px); text-align: center; }
.join-box h2 { font-size: clamp(20px, 3vw, 30px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
.join-box p { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; }