/* landing.css - 랭킹크루 프리미엄 랜딩 전용 스타일 */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@400;600;700&family=Plus+Jakarta+Sans:wght@400;500;600&display=swap');

:root {
  /* Colors */
  --navy-900: #07142B;
  --navy-700: #0D2347;
  --off-white: #FCF8FA;
  --pure-white: #FFFFFF;
  --neon-lime: #D7F205;
  --orange-gold: #F5A623;
  --warm-gray: #E9E5E7;
  
  --text-heading: #111111;
  --text-body: #4B4F58;
  --text-inverse: #FFFFFF;
  --text-muted-inverse: rgba(255, 255, 255, 0.72);
  
  /* Shadows */
  --shadow-card: 0 10px 30px rgba(7, 20, 43, 0.06);
  --shadow-elevated: 0 18px 40px rgba(7, 20, 43, 0.10);
  --shadow-glow: 0 0 24px rgba(215, 242, 5, 0.28);
  
  /* Radius */
  --radius-pill: 9999px;
  --radius-card: 16px;
  --radius-box: 24px;
  --radius-img: 20px;
  
  /* Fonts */
  --font-head: 'Lexend', 'Pretendard Variable', 'Pretendard', sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Pretendard Variable', 'Pretendard', sans-serif;
}

body {
  font-family: var(--font-body);
  background-color: var(--off-white);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-family: var(--font-head);
  color: var(--text-heading);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.text-inverse h1, .text-inverse h2, .text-inverse h3, .text-inverse h4, .text-inverse p {
  color: var(--text-inverse);
}
.text-muted-inverse {
  color: var(--text-muted-inverse) !important;
}
.text-body { color: var(--text-body) !important; }

/* Utilities */
.bg-navy-900 { background-color: var(--navy-900) !important; color: var(--text-inverse); }
.bg-navy-700 { background-color: var(--navy-700) !important; color: var(--text-inverse); }
.bg-off-white { background-color: var(--off-white) !important; }
.text-neon-lime { color: var(--neon-lime) !important; }
.text-orange-gold { color: var(--orange-gold) !important; }

/* Layout */
.container {
  max-width: 1280px;
  padding-left: 32px;
  padding-right: 32px;
}
.section-padding {
  padding: 140px 0;
}
@media (max-width: 768px) {
  .section-padding { padding: 80px 0; }
  .container { padding-left: 20px; padding-right: 20px; }
}

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background-color: transparent;
  transition: all 0.3s ease;
  padding: 24px 0;
}
.site-header.scrolled {
  background-color: rgba(7, 20, 43, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.site-header a {
  transition: color 0.2s ease;
}
.site-header a:hover {
  color: var(--neon-lime) !important;
}

/* Buttons */
.btn-cta {
  background-color: var(--neon-lime);
  color: var(--navy-900);
  border-radius: var(--radius-pill);
  padding: 16px 40px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-glow);
  text-decoration: none;
  display: inline-block;
  border: none;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(215, 242, 5, 0.5);
  color: var(--navy-900) !important;
}

.store-btn {
  transition: all 0.3s ease;
  border: 1px solid rgba(255,255,255,0.1);
}
.store-btn:hover {
  background-color: rgba(255,255,255,0.1) !important;
  transform: translateY(-2px);
  color: var(--pure-white) !important;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.hero-bg {
  z-index: 1;
}
.hero-overlay {
  z-index: 2;
}
.hero-section .container {
  z-index: 3;
}

/* Brand Intro */
.intro-img-wrapper {
  position: relative;
  overflow: hidden;
}
.intro-img-wrapper img {
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.intro-img-wrapper:hover img {
  transform: scale(1.05);
}
.intro-feature-icon {
  transition: all 0.3s ease;
}
.d-flex:hover .intro-feature-icon {
  transform: scale(1.1) rotate(5deg);
}

/* Stats Box */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 30px;
}
.stat-box {
  background-color: var(--navy-700);
  padding: 30px;
  border-radius: var(--radius-box);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.05);
  box-shadow: var(--shadow-card);
}

/* Mockup */
.mockup-container {
  position: relative;
}
.app-mockup {
  transition: transform 0.5s ease;
}
.app-mockup:hover {
  transform: translateY(-10px) !important;
}

/* 12 Features Card */
.feature-card {
  background-color: var(--pure-white);
  padding: 32px;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--warm-gray);
}
.feature-number {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-900);
  opacity: 0.2;
}
.feature-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(7, 20, 43, 0.04);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--navy-900);
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.feature-card:hover .feature-icon {
  background-color: var(--navy-900);
  color: var(--neon-lime);
}

/* Reviews */
.review-card {
  transition: transform 0.3s ease;
}
.review-card:hover {
  transform: translateY(-5px);
}

/* Footer Hover */
.hover-white {
  transition: color 0.2s ease;
}
.hover-white:hover {
  color: var(--pure-white) !important;
}

@media (max-width: 991px) {
  .hero-section .display-3 { font-size: 3rem; }
}
@media (max-width: 576px) {
  .hero-section .display-3 { font-size: 2.5rem; }
  .mockup-container { flex-direction: column; align-items: center; gap: 20px !important; }
  .app-mockup { transform: none !important; }
}