/* ============================================================
   KBizHub · 식당 솔루션 공통 스타일
   대상: /restaurant/ 이하 5개 페이지
   ⚠️ index.html은 이 파일을 로드하지 않는다 (기존 페이지 무영향)
   ⚠️ index.html과 클래스명 충돌을 피하기 위해 .rs- 접두사를 쓴다
   ============================================================ */

/* index.html과 동일한 디자인 토큰 (index.html의 :root를 상속받을 수 없으므로 복제) */
:root {
  --bg: #07090e;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.75);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(56, 189, 248, 0.35);
  --primary: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.25);
  --secondary: #6366f1;
  --accent: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.2);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-sans:
    "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  /* 한국어 줄바꿈: 어절 단위로 끊고, 단어 중간 분절 금지 */
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(
      circle at 50% 0%,
      rgba(56, 189, 248, 0.12),
      transparent 45%
    ),
    radial-gradient(
      circle at 85% 30%,
      rgba(99, 102, 241, 0.08),
      transparent 40%
    ),
    radial-gradient(
      circle at 15% 70%,
      rgba(16, 185, 129, 0.06),
      transparent 35%
    );
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
}

/* ---------- 공통 버튼 (index.html과 동일 규칙) ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 0.925rem;
  font-weight: 700;
  color: #07090e;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  box-shadow: 0 4px 20px var(--primary-glow);
  transition: all 0.2s;
  white-space: nowrap;
  text-align: center;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--primary-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  transition: all 0.2s;
  white-space: nowrap;
  text-align: center;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ---------- 식당 솔루션 공통 미니 헤더 ---------- */
.rs-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 5%;
  background: rgba(7, 9, 14, 0.85);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}
.rs-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1rem;
  white-space: nowrap;
}
.rs-nav-logo .rs-logo-badge {
  font-size: 0.62rem;
  font-weight: 800;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: 9999px;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.rs-nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin-left: auto;
  flex-wrap: wrap;
}
.rs-nav-links a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s;
  white-space: nowrap;
}
.rs-nav-links a:hover,
.rs-nav-links a[aria-current="page"] {
  color: var(--text);
}
.rs-nav-links a[aria-current="page"] {
  color: var(--primary);
}
.rs-nav-home {
  font-size: 0.8rem;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ---------- 섹션 ---------- */
.rs-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 5%;
}
.rs-section--tight {
  padding-top: 0;
}
.rs-section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.rs-section-tag {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.rs-section-title {
  font-size: clamp(1.65rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  word-break: keep-all;
}

/* 이모지는 시스템 이모지 폰트로 강제 (JetBrains Mono에 🧲 글리프가 없어 깨짐) */
.rs-emoji {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  font-style: normal;
  line-height: 1;
  display: inline-block;
  /* 부모의 작은 line-height/폭에 깨지지 않게 */
  min-width: 1.1em;
  vertical-align: -0.12em;
}

/* 단계 번호는 이모지 대신 숫자 아이콘 (이모지 미지원 환경에서 빈칸이 됨) */
.rs-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  margin-bottom: 6px;
}
.rs-section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- 배지 ---------- */
.rs-badge-new {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 800;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: 9999px;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  margin-left: 6px;
  white-space: nowrap;
  vertical-align: middle;
}
.rs-badge-beta {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.13);
  border-color: rgba(245, 158, 11, 0.35);
}

/* 기존 상품 표시 — 초록 NEW 색을 쓰면 "신상품"으로 오해되므로 중립색 */
.rs-badge-existing {
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border);
}

/* ---------- Hero ---------- */
.rs-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 84px 5% 56px;
  text-align: center;
}
.rs-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--primary);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.rs-hero-title {
  font-size: clamp(1.85rem, 4.6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  word-break: keep-all;
}
.rs-hero-title span {
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.rs-hero-desc {
  max-width: 680px;
  margin: 0 auto 34px;
  color: var(--text-muted);
  font-size: 1.08rem;
}
.rs-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.rs-hero-cta .btn-primary,
.rs-hero-cta .btn-secondary {
  padding: 15px 28px;
  font-size: 0.98rem;
}

/* ---------- ESP 한 줄 배너 ---------- */
.rs-esp-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 5%;
  text-align: center;
  font-size: 0.95rem;
  word-break: keep-all;
  color: var(--text-muted);
  background: linear-gradient(
    135deg,
    rgba(56, 189, 248, 0.08),
    rgba(99, 102, 241, 0.06)
  );
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.rs-esp-banner strong {
  color: var(--text);
}

/* ---------- 4개 카드 (허브 핵심) ---------- */
/* 4개 카드는 2×2로 고정 — auto-fit은 1152px에서 3+1로 깨진다 */
.rs-pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.rs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.25s ease;
  overflow: hidden;
}
.rs-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.rs-card--featured {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.15);
}
.rs-card-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  line-height: 1;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  margin-bottom: 6px;
}
.rs-card-title {
  font-size: 1.2rem;
  font-weight: 700;
}
.rs-card-desc {
  color: var(--text-muted);
  font-size: 0.925rem;
  flex: 1;
}
.rs-card-price {
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
  margin-top: 4px;
}
.rs-card-price small {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}
.rs-card-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}
.rs-card-flag {
  display: inline-block;
  margin-left: 0;
  vertical-align: middle;
  margin-top: -2px;
}

/* 3개 카드 — 2+1로 고아 카드가 생기지 않게 균등 3열 */
.rs-pillar-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* 4단계 흐름 — 데스크톱 4열, 좁으면 2열/1열 */
.rs-flow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

/* ---------- 비교 표 ---------- */
.rs-compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  font-size: 0.92rem;
}
.rs-compare th,
.rs-compare td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.rs-compare th {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  background: rgba(2, 6, 23, 0.4);
}
.rs-compare tr:last-child td {
  border-bottom: none;
}
.rs-compare td.rs-hl {
  color: var(--primary);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.rs-compare-note {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ---------- 가격 카드 ---------- */
.rs-pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.rs-pricing-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  /* 카드 높이를 맞추고 버튼을 바닥에 붙임 */
  height: 100%;
}
.rs-pricing-card > .btn-primary,
.rs-pricing-card > .btn-secondary {
  margin-top: auto;
  width: 100%;
}

/* "STEP 1" 같은 단계 표시는 버튼처럼 보이지 않는 태그로 */
.rs-step-tag {
  display: inline-block;
  /* flex 컬럼 안에서 가로로 늘어나지 않게 */
  align-self: flex-start;
  width: fit-content;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}
.rs-step-tag--rec {
  color: var(--primary);
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
}
.rs-step-tag--beta {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
}
.rs-pricing-card--featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-glow);
}
.rs-price {
  font-family: var(--font-sans);
  font-size: 1.9rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  word-break: keep-all;
}
.rs-price small {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: 4px;
  white-space: nowrap;
}
.rs-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex: 1 1 auto;
  word-break: keep-all;
}
.rs-feature-list li::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: 700;
}

/* ---------- 음성 데모 ---------- */
.rs-voice {
  max-width: 560px;
  margin: 0 auto;
  padding: 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.rs-voice-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  padding-left: 2px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.rs-voice-log {
  display: flex;
  flex-direction: column;
  gap: 10px;
  /* 재생 전에도 빈 공간이 크게 보이지 않게 최소만 확보 */
  min-height: 72px;
}
.rs-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.92rem;
  animation: rs-fade 0.28s ease;
}
.rs-msg--user {
  align-self: flex-end;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid var(--border-accent);
}
.rs-msg--ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}
@keyframes rs-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.rs-voice-foot {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 모달 ---------- */
.rs-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}
.rs-modal-backdrop.active {
  display: flex;
}
.rs-modal-box {
  width: 100%;
  max-width: 440px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 26px 28px;
  background: #0b1120;
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
}
.rs-field {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.rs-field:focus {
  outline: none;
  border-color: var(--border-accent);
}

/* ---------- 푸터 ---------- */
.rs-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 5% 60px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

/* ---------- 반응형 ---------- */
@media (max-width: 900px) {
  .rs-flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .rs-pillar-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .rs-nav {
    flex-wrap: wrap;
    gap: 10px 14px;
  }
  .rs-nav-links {
    margin-left: 0;
    order: 3;
    width: 100%;
    gap: 14px;
  }
  .rs-nav-home {
    margin-left: auto;
  }
}
@media (max-width: 768px) {
  .rs-section {
    padding: 56px 5%;
  }
  .rs-hero {
    padding: 56px 5% 40px;
  }
  .rs-pricing-grid,
  .rs-pillar-grid,
  .rs-pillar-grid--3,
  .rs-flow-grid {
    grid-template-columns: 1fr;
  }
  .rs-hero-cta {
    flex-direction: column;
  }
  .rs-hero-cta .btn-primary,
  .rs-hero-cta .btn-secondary {
    width: 100%;
  }
  .rs-compare th,
  .rs-compare td {
    padding: 11px 12px;
    font-size: 0.86rem;
  }
  .rs-voice {
    padding: 16px;
  }
}
@media (max-width: 560px) {
  .rs-compare-wrap {
    overflow-x: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  .rs-msg {
    animation: none;
  }
  .rs-card:hover {
    transform: none;
  }
}