/* ============================
   Mini Smart Platform - Landing Page Styles
   ============================ */

/* 기본 설정 및 리셋 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 색상 팔레트 */
  --primary-orange: #FF6B35;
  --primary-orange-light: #FF8F5C;
  --primary-blue: #4A90E2;
  --primary-blue-light: #6BA8F5;
  --gradient-orange: linear-gradient(135deg, #FF6B35 0%, #FF9966 100%);
  --gradient-blue: linear-gradient(135deg, #4A90E2 0%, #67B8F5 100%);
  --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --dark-bg: #0D0D1A;
  --dark-surface: #1A1A2E;
  --card-bg: rgba(26, 26, 46, 0.8);
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);

  /* 간격 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* 그림자 */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow-orange: 0 0 60px rgba(255, 107, 53, 0.3);
  --shadow-glow-blue: 0 0 60px rgba(74, 144, 226, 0.3);

  /* 트랜지션 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* 반경 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* 배경 장식 요소 */
.background-shapes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 20s ease-in-out infinite;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: var(--primary-orange);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: var(--primary-blue);
  bottom: -50px;
  left: -50px;
  animation-delay: -7s;
}

.shape-3 {
  width: 250px;
  height: 250px;
  background: #764ba2;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(30px, -30px) scale(1.05);
  }

  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }

  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}

/* 컨테이너 */
.container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 헤더 */
.header {
  padding: var(--spacing-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lang-select {
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 28px;
}

.lang-select:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.15);
}

.lang-select:focus {
  border-color: var(--primary-orange);
}

.lang-select option {
  background: #1A1A2E;
  color: #fff;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  font-size: 2rem;
  animation: rocket 2s ease-in-out infinite;
}

@keyframes rocket {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 메인 콘텐츠 */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-lg) 0;
}

/* 히어로 섹션 */
.hero-section {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 서비스 그리드 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* 서비스 카드 */
.service-card {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
}

#restaurant-card:hover {
  box-shadow: var(--shadow-glow-orange);
}

#waiting-card:hover {
  box-shadow: var(--shadow-glow-blue);
}

#music-card:hover {
  box-shadow: 0 0 60px rgba(118, 75, 162, 0.3);
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.service-card:hover .card-glow {
  opacity: 0.1;
}

.card-glow-orange {
  background: radial-gradient(circle, var(--primary-orange) 0%, transparent 70%);
}

.card-glow-blue {
  background: radial-gradient(circle, var(--primary-blue) 0%, transparent 70%);
}

.card-glow-purple {
  background: radial-gradient(circle, #764ba2 0%, transparent 70%);
}

.card-content {
  position: relative;
  padding: var(--spacing-xl);
  z-index: 1;
}

.card-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  display: block;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.card-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

#restaurant-card .card-title {
  color: var(--primary-orange);
}

#waiting-card .card-title {
  color: var(--primary-blue);
}

#music-card .card-title {
  color: #a78bfa;
}

.card-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  line-height: 1.7;
}

.card-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.card-features li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.card-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

#restaurant-card .card-button {
  background: var(--gradient-orange);
  color: white;
}

#waiting-card .card-button {
  background: var(--gradient-blue);
  color: white;
}

#music-card .card-button {
  background: var(--gradient-purple);
  color: white;
}

.card-button:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.card-button svg {
  transition: transform var(--transition-fast);
}

.card-button:hover svg {
  transform: translateX(5px);
}

/* Coming Soon 섹션 */
.coming-soon-section {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(255, 255, 255, 0.2);
}

.coming-soon-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.coming-soon-text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* 푸터 */
.footer {
  text-align: center;
  padding: var(--spacing-lg) 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-sm);
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .card-content {
    padding: var(--spacing-lg);
  }

  .card-icon {
    font-size: 3rem;
  }

  .card-title {
    font-size: 1.5rem;
  }

  .shape-1 {
    width: 250px;
    height: 250px;
  }

  .shape-2 {
    width: 200px;
    height: 200px;
  }

  .shape-3 {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .logo-text {
    font-size: 1.25rem;
  }

  .card-button {
    width: 100%;
    justify-content: center;
  }
}

/* 트랜지션 효과 - 페이지 로드 시 */
.service-card {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

#restaurant-card {
  animation-delay: 0.2s;
}

#waiting-card {
  animation-delay: 0.4s;
}

#music-card {
  animation-delay: 0.6s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-section {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}