@import "tailwindcss";
@import "tw-animate-css";

@custom-variant dark (&:is(.dark *));

@theme inline {
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);
}

/* 송쌤 브랜드 컬러 기반 디자인 시스템 */
:root {
  /* 송쌤 브랜드 컬러 */
  --brand-light: #FEE5E1;  /* 연한 핑크 - 배경용 */
  --brand-coral: #FF7564;  /* 코랄 - 메인 강조색 */
  --brand-dark: #E25F4F;   /* 진한 코랄 - 버튼, 헤딩 */
  
  /* 기본 색상 시스템 */
  --primary: var(--brand-dark);
  --primary-foreground: #FFFFFF;
  --radius: 1rem;
  --background: #FFFFFF;
  --foreground: #1A1A1A;
  --card: #FFFFFF;
  --card-foreground: #1A1A1A;
  --popover: #FFFFFF;
  --popover-foreground: #1A1A1A;
  --secondary: var(--brand-light);
  --secondary-foreground: var(--brand-dark);
  --muted: #F5F5F5;
  --muted-foreground: #666666;
  --accent: var(--brand-coral);
  --accent-foreground: #FFFFFF;
  --destructive: #EF4444;
  --destructive-foreground: #FFFFFF;
  --border: #E5E5E5;
  --input: #E5E5E5;
  --ring: var(--brand-coral);
  
  /* 차트 컬러 */
  --chart-1: var(--brand-coral);
  --chart-2: var(--brand-dark);
  --chart-3: var(--brand-light);
  --chart-4: #FFB4A8;
  --chart-5: #CC4C3D;
  
  /* 사이드바 */
  --sidebar: #FFFFFF;
  --sidebar-foreground: #1A1A1A;
  --sidebar-primary: var(--brand-dark);
  --sidebar-primary-foreground: #FFFFFF;
  --sidebar-accent: var(--brand-light);
  --sidebar-accent-foreground: var(--brand-dark);
  --sidebar-border: #E5E5E5;
  --sidebar-ring: var(--brand-coral);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  }
  button:not(:disabled),
  [role="button"]:not([aria-disabled="true"]),
  [type="button"]:not(:disabled),
  [type="submit"]:not(:disabled),
  [type="reset"]:not(:disabled),
  a[href],
  select:not(:disabled),
  input[type="checkbox"]:not(:disabled),
  input[type="radio"]:not(:disabled) {
    @apply cursor-pointer;
  }
}

@layer components {
  .container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .flex {
    min-height: 0;
    min-width: 0;
  }

  @media (min-width: 640px) {
    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }

  @media (min-width: 1024px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
      max-width: 1280px;
    }
  }
  
  /* 송쌤 브랜드 그라데이션 */
  .brand-gradient {
    background: linear-gradient(135deg, var(--brand-light) 0%, var(--brand-coral) 100%);
  }
  
  .brand-gradient-reverse {
    background: linear-gradient(135deg, var(--brand-coral) 0%, var(--brand-dark) 100%);
  }
  
  /* 임팩트 있는 타이포그래피 */
  .hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
  }
  
  .section-title {
    font-size: clamp(1.75rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.01em;
  }
}


/* ===== 스크롤 애니메이션 ===== */

/* 기본 애니메이션 상태 (숨김) */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fade In 효과 - 더 느리게 */
.animate-fade-in {
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-fade-in.visible {
  opacity: 1;
}

/* Slide Up 효과 - 더 느리고 부드럽게 */
.animate-slide-up {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide In Left 효과 */
.animate-slide-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide In Right 효과 */
.animate-slide-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale In 효과 */
.animate-scale-in {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger 애니메이션 (순차적) - 더 느리게 */
.animate-stagger {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-stagger.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 지연 시간 클래스 - 더 긴 간격 */
.delay-100 { transition-delay: 0.15s; }
.delay-200 { transition-delay: 0.3s; }
.delay-300 { transition-delay: 0.45s; }
.delay-400 { transition-delay: 0.6s; }
.delay-500 { transition-delay: 0.75s; }
.delay-600 { transition-delay: 0.9s; }
.delay-700 { transition-delay: 1.05s; }
.delay-800 { transition-delay: 1.2s; }

/* 히어로 섹션 특별 애니메이션 - 더 느리고 영화적으로 */
.hero-animate-title {
  opacity: 0;
  transform: translateY(80px);
  transition: opacity 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-animate-title.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-animate-subtitle {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s, transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s;
}

.hero-animate-subtitle.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-animate-stats {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.8s, transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.8s;
}

.hero-animate-stats.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-animate-cta {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.2s, transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.2s;
}

.hero-animate-cta.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 카드 호버 효과 강화 */
.card-animate {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-animate:hover {
  transform: translateY(-5px);
}

/* 부드러운 페이드 효과 (섹션 전체) */
.section-animate {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.section-animate.visible {
  opacity: 1;
}

/* 숫자 카운트업 애니메이션을 위한 기본 스타일 */
.count-animate {
  display: inline-block;
}

/* 모바일에서 애니메이션 간소화 (성능 최적화) */
@media (prefers-reduced-motion: reduce) {
  .scroll-animate,
  .animate-fade-in,
  .animate-slide-up,
  .animate-slide-left,
  .animate-slide-right,
  .animate-scale-in,
  .animate-stagger,
  .hero-animate-title,
  .hero-animate-subtitle,
  .hero-animate-stats,
  .hero-animate-cta,
  .section-animate {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* ===== 카드 뒤집기 애니메이션 - 더 느리고 영화적으로 ===== */

/* 3D 뒤집기 컨테이너 */
.flip-card-container {
  perspective: 1500px;
}

.flip-card {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  backface-visibility: hidden;
}

/* 초기 상태: 뒤집혀 있음 */
.flip-card.flip-hidden {
  transform: rotateY(-180deg) scale(0.9);
  opacity: 0;
}

/* 보이는 상태: 정상 */
.flip-card.flip-visible {
  transform: rotateY(0deg) scale(1);
  opacity: 1;
}

/* 순차적 딜레이 - 더 긴 간격 */
.flip-card.delay-1 { transition-delay: 0.2s; }
.flip-card.delay-2 { transition-delay: 0.5s; }
.flip-card.delay-3 { transition-delay: 0.8s; }
.flip-card.delay-4 { transition-delay: 1.1s; }

/* 카드 내용 */
.flip-card-content {
  backface-visibility: hidden;
}


/* ===== TransitionSection 반응형 배경 이미지 ===== */
.transition-bg-section {
  background-image: url('/images/transition-hope-mobile.webp');
  background-size: cover;
  background-position: center 50%; /* 모바일: 송쌌 얼굴이 보이도록 조정 */
  background-repeat: no-repeat;
}

@media (min-width: 768px) {
  .transition-bg-section {
    background-image: url('/images/transition-hope-desktop.webp');
    background-position: center 40%; /* PC: 송쌌 얼굴 중심 */
  }
}

/* ===== 스크롤바 숨김 ===== */
.scrollbar-hide {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.scrollbar-hide::-webkit-scrollbar {
  display: none;  /* Chrome, Safari, Opera */
}