/* 사전 판매 랜딩 페이지 스타일 — 라이트 테마(흰 배경 + 네이비 + 오렌지 CTA 전용, 파랑은 로고·체크 아이콘 한정) */

:root {
  --color-primary: #2563eb;
  --color-on-primary: #ffffff;
  --color-accent: #ea580c;
  --color-accent-hover: #c2410c;
  --color-on-accent: #0b1220;
  --color-background: #f8fafc;
  --color-foreground: #1e293b;
  --color-card: #ffffff;
  --color-muted: #f1f5f9;
  --color-muted-foreground: #475569;
  --color-border: #e2e8f0;
  --color-destructive: #dc2626;
  --color-ring: #0f172a;
  --dark: #0f172a;
  --dark-card: rgba(255, 255, 255, 0.05);
  --dark-border: rgba(255, 255, 255, 0.1);
  --yellow: #f59e0b;
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.55);
  --radius: 16px;
  --shadow-soft: 0 8px 30px rgba(30, 41, 59, 0.08);
  --shadow-lift: 0 16px 48px rgba(30, 41, 59, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Plus Jakarta Sans", "Pretendard Variable", Pretendard, -apple-system, sans-serif;
  color: var(--color-foreground);
  line-height: 1.65;
  background: var(--color-background);
  word-break: keep-all;
}

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 780px; }

h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); line-height: 1.2; letter-spacing: -0.025em; font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); line-height: 1.3; letter-spacing: -0.015em; margin-bottom: 16px; font-weight: 800; }
h3 { font-size: 1.15rem; margin-bottom: 10px; font-weight: 700; }

/* 버튼 — CTA는 오렌지, 최소 터치 타깃 44px */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: 12px 26px;
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.3);
}
.btn-primary:hover { background: var(--color-accent-hover); color: #fff; box-shadow: 0 10px 26px rgba(234, 88, 12, 0.35); }
.btn-ghost { background: transparent; color: var(--color-muted-foreground); padding: 12px 26px; }
.btn-ghost:hover { color: var(--color-foreground); transform: none; }
.btn-outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-foreground);
  padding: 11px 26px;
  background: var(--color-card);
}
.btn-outline:hover { border-color: var(--dark); color: var(--dark); }
.btn-invert { background: var(--color-accent); color: var(--color-on-accent); padding: 12px 30px; box-shadow: 0 8px 24px rgba(11, 18, 32, 0.25); }
.btn-invert:hover { background: var(--color-accent-hover); color: #fff; }
.btn-sm { min-height: 44px; padding: 8px 18px; font-size: 0.9rem; }
.btn-lg { min-height: 52px; padding: 14px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* 헤더 — 프로스트 글래스 */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 250, 252, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { font-weight: 800; font-size: 1.15rem; color: var(--color-foreground); text-decoration: none; letter-spacing: -0.01em; }
.logo span { color: var(--color-primary); }
.header-nav { display: flex; gap: 22px; margin-left: auto; }
.header-nav a { color: var(--color-muted-foreground); text-decoration: none; font-size: 0.95rem; font-weight: 600; transition: color 0.2s ease; }
.header-nav a:hover { color: var(--dark); }

/* 히어로 — 배경 영상(라운드 패널) + 다크 스크림, 텍스트는 흰색 */
.hero {
  position: relative;
  margin: 16px;
  border-radius: 24px;
  overflow: hidden;
  padding: 110px 0 72px;
  background: linear-gradient(180deg, var(--dark) 0%, #16203a 100%);
}
.hero-video {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.78) 0%, rgba(15, 23, 42, 0.45) 45%, rgba(15, 23, 42, 0.15) 75%, rgba(15, 23, 42, 0.05) 100%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.35) 0%, rgba(15, 23, 42, 0.05) 40%, rgba(15, 23, 42, 0.75) 100%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 840px; z-index: 2; }
.hero h1 { color: #fff; text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35); }
.hero .hero-sub { color: rgba(255, 255, 255, 0.85); }
.hero .hero-sub.strong { color: #fff; }
.hero .btn-ghost { color: rgba(255, 255, 255, 0.8); }
.hero .btn-ghost:hover { color: #fff; }
.hero .micro-trust { color: rgba(255, 255, 255, 0.75); }
.kicker-chip {
  display: inline-flex; align-items: center;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  color: var(--dark);
  font-weight: 700; font-size: 0.85rem;
  padding: 8px 16px; border-radius: 999px; margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--color-accent); }
.hero-sub { margin-top: 22px; font-size: 1.1rem; color: var(--color-muted-foreground); max-width: 660px; }
.hero-sub.strong { color: var(--color-foreground); font-weight: 600; }
.cta-row { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.micro-trust { margin-top: 14px; font-size: 0.85rem; color: var(--color-muted-foreground); }

/* 숫자 스트립 — 글래스 카드 */
.stats { position: relative; padding: 20px 0 64px; z-index: 1; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 30px 26px;
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.4rem; font-weight: 800; color: var(--dark); letter-spacing: -0.02em; }
.stat span { font-size: 0.85rem; color: var(--color-muted-foreground); }
.stats-note { margin-top: 10px; font-size: 0.8rem; color: var(--color-muted-foreground); text-align: right; }

/* 공통 섹션 */
.section { padding: 80px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.kicker {
  color: var(--color-accent); font-weight: 800; font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px;
}
.section-sub { color: var(--color-muted-foreground); margin-bottom: 32px; max-width: 660px; }

/* 인용 그리드 */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 32px 0; }
.quote-grid blockquote {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  padding: 18px 20px; border-radius: 0 12px 12px 0;
  font-size: 0.98rem; color: var(--color-foreground);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.quote-grid blockquote:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.quote-grid blockquote strong { display: block; }
.quote-grid blockquote p {
  margin-top: 8px; font-size: 0.88rem; font-weight: 400;
  color: var(--color-muted-foreground);
}
.problem-callout { margin-top: 28px; max-width: 840px; }
.problem-callout p { margin-bottom: 14px; color: var(--color-muted-foreground); }
.problem-callout p strong { color: var(--color-foreground); }
.flow-chain {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin: 18px 0; padding: 18px 20px;
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 12px; font-size: 0.9rem; font-weight: 700;
}
.flow-chain .arrow { color: var(--color-accent); font-weight: 800; }

/* 카드 공통 */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.card p { color: var(--color-muted-foreground); font-size: 0.95rem; margin-bottom: 10px; }
.card p strong { color: var(--color-foreground); }
.card-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 26px;
  background: var(--color-muted);
  color: var(--dark); font-weight: 800;
  font-size: 0.82rem; letter-spacing: 0.06em;
  border-radius: 999px; margin-bottom: 14px;
}

.loss-grid, .step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 24px; }

.mini-table { width: 100%; border-collapse: collapse; margin: 12px 0 16px; font-size: 0.88rem; }
.mini-table th, .mini-table td { padding: 8px; text-align: left; border-bottom: 1px solid var(--color-border); }
.mini-table th { color: var(--color-muted-foreground); font-weight: 600; }

.loss-list { padding-left: 20px; margin: 12px 0 14px; color: var(--color-muted-foreground); font-size: 0.95rem; }
.loss-list li { margin-bottom: 8px; }
.loss-list strong { color: var(--color-foreground); }

.step-note { border-top: 1px dashed var(--color-border); padding-top: 12px; margin-top: 6px; }

/* 다크 반전 섹션 — 네이비 + 글래스 카드 */
.section-dark {
  background: linear-gradient(180deg, var(--dark) 0%, #131c33 100%);
  color: #fff;
}
.section-dark h2 { color: #fff; }
.kicker-dark { color: #fdba74; }

.browser-frame {
  margin-top: 36px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--dark-border);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
  max-width: 860px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.browser-bar {
  display: flex; align-items: center; gap: 7px;
  background: rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid var(--dark-border);
  padding: 12px 16px;
}
.browser-bar span { width: 11px; height: 11px; border-radius: 50%; background: rgba(255, 255, 255, 0.2); }
.browser-bar em { font-style: normal; color: #94a3c8; font-size: 0.8rem; margin-left: 12px; }
.mock-body { padding: 24px; }
.mock-header {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px; margin-bottom: 18px;
}
.mock-badge {
  background: rgba(255, 255, 255, 0.1); color: #cbd5e1; font-size: 0.78rem;
  padding: 4px 12px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.mock-row {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 14px 16px; margin-bottom: 10px;
}
.mock-row .dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 7px; flex-shrink: 0; }
.alert-red .dot { background: #f87171; box-shadow: 0 0 12px rgba(248, 113, 113, 0.6); }
.alert-yellow .dot { background: var(--yellow); box-shadow: 0 0 12px rgba(245, 158, 11, 0.5); }
.mock-row strong { font-size: 0.92rem; }
.mock-row p { color: #b0bddd; font-size: 0.88rem; margin-top: 2px; }
.mock-caption { margin-top: 16px; font-size: 0.85rem; color: #94a3c8; }

/* 요금제 */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.price-card {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px; display: flex; flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.price-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.price-featured {
  background: linear-gradient(180deg, var(--dark) 0%, #16203a 100%);
  color: #fff; border-color: var(--dark);
}
.price-featured .price span, .price-featured ul, .price-featured .price-note { color: #b0bddd; }
.badge {
  position: absolute; top: -13px; left: 28px;
  background: var(--color-accent); color: #fff; font-size: 0.78rem; font-weight: 800;
  padding: 5px 14px; border-radius: 999px;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.4);
}
.price { margin: 6px 0 18px; }
.price strong { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.02em; }
.price span { display: block; font-size: 0.88rem; color: var(--color-muted-foreground); }
.price-card ul { list-style: none; margin-bottom: 18px; color: var(--color-muted-foreground); font-size: 0.93rem; }
.price-card ul li { padding: 5px 0 5px 24px; position: relative; }
.price-card ul li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 14px; height: 14px;
  background-color: var(--color-primary);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
}
.price-featured ul li::before { background-color: #93b4ff; }
.price-note { font-size: 0.85rem; color: var(--color-muted-foreground); margin-bottom: 20px; flex-grow: 1; }

.compare-block { margin-top: 60px; }
.compare-block h3 { margin-bottom: 16px; }
.compare-table {
  width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.95rem;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.compare-table th, .compare-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table th { color: var(--color-muted-foreground); font-weight: 600; font-size: 0.88rem; background: var(--color-background); }
.compare-table .highlight { background: #fff7ed; font-weight: 700; }
.compare-table .highlight td:first-child { color: var(--color-accent-hover); }

/* 사전 등록 폼 — 글래스 카드 */
.register-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.benefit-list { list-style: none; margin: 18px 0 22px; }
.benefit-list li { padding: 10px 0 10px 30px; position: relative; color: var(--color-muted-foreground); }
.benefit-list li::before {
  content: ""; position: absolute; left: 0; top: 15px;
  width: 17px; height: 17px;
  background-color: var(--color-primary);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
}
.benefit-list strong { color: var(--color-foreground); }

.register-form {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px 30px;
  box-shadow: var(--shadow-lift);
}
.register-form label { display: block; font-weight: 700; font-size: 0.92rem; margin: 20px 0 8px; }
.register-form label:first-child { margin-top: 0; }
.req { color: var(--color-destructive); }
.opt { color: var(--color-muted-foreground); font-weight: 500; font-size: 0.82rem; }
.register-form input {
  width: 100%; min-height: 48px; padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 12px; font-size: 1rem; font-family: inherit;
  background: var(--color-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.register-form input:focus {
  outline: none; border-color: var(--dark);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.12);
}
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 44px;
  border: 1.5px solid var(--color-border);
  background: var(--color-card);
  border-radius: 999px;
  padding: 9px 18px; font-size: 0.9rem; font-family: inherit; cursor: pointer;
  color: var(--color-muted-foreground);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.chip:hover { border-color: var(--dark); color: var(--dark); }
.chip.selected { background: var(--dark); border-color: var(--dark); color: #fff; font-weight: 700; }
.register-form .btn-block { margin-top: 26px; }
.form-status { margin-top: 12px; font-size: 0.9rem; font-weight: 600; min-height: 1.4em; }
.form-status.ok { color: #0d8a4f; }
.form-status.error { color: var(--color-destructive); }
.register-form .micro-trust { margin-top: 10px; }

/* FAQ */
#faq details {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0 20px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.2s ease;
}
#faq details[open] { border-color: var(--dark); }
#faq summary {
  cursor: pointer; font-weight: 700; padding: 18px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  min-height: 44px;
}
#faq summary::-webkit-details-marker { display: none; }
#faq summary::after { content: "+"; color: var(--color-accent); font-size: 1.4rem; font-weight: 400; flex-shrink: 0; }
#faq details[open] summary::after { content: "−"; }
#faq details p { color: var(--color-muted-foreground); padding-bottom: 20px; font-size: 0.97rem; }

/* 최종 CTA 배너 — 네이비 그라디언트 */
.final-banner {
  position: relative;
  background: linear-gradient(180deg, var(--dark) 0%, #16203a 100%);
  color: #fff; border-radius: 24px;
  padding: 68px 40px; text-align: center;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.35);
}
.final-banner::before {
  content: ""; position: absolute; top: -120px; right: -80px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 70%);
  pointer-events: none;
}
.final-banner h2 { color: #fff; }
.final-banner p { max-width: 640px; margin: 0 auto 28px; color: rgba(255, 255, 255, 0.88); }
.micro-trust-invert { margin-top: 14px; font-size: 0.85rem; color: rgba(255, 255, 255, 0.78); }

/* 푸터 */
.site-footer { border-top: 1px solid var(--color-border); padding: 40px 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.9rem; color: var(--color-muted-foreground); }
.footer-inner strong { color: var(--color-foreground); }
.footer-meta a { color: var(--color-muted-foreground); }

/* 좁은 화면에서는 제목의 강제 줄바꿈을 풀어 자연스럽게 흐르게 함 */
@media (max-width: 640px) {
  h1 br, h2 br { display: none; }
}

/* 반응형 — 모바일 퍼스트 붕괴 */
@media (max-width: 900px) {
  .quote-grid, .loss-grid, .step-grid, .pricing-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .register-inner { grid-template-columns: 1fr; gap: 32px; }
  .header-nav { display: none; }
  .hero { margin: 10px; padding: 72px 0 52px; }
  .section { padding: 60px 0; }
  .final-banner { padding: 52px 24px; }
  .compare-table { display: block; overflow-x: auto; }
}

/* 모션 최소화 선호 존중 — 배경 영상은 숨기고 네이비 그라디언트 폴백 표시 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .btn:hover, .card:hover, .price-card:hover, .quote-grid blockquote:hover { transform: none; }
  .hero-video { display: none; }
}