/* ==========================================
   SimplyDo - Custom Styles
   ========================================== */

/* ==========================================
   1. CSS Variables (Color Palette)
   ========================================== */
:root {
  /* Primary - 신뢰감 있는 블루 */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Accent - 차분한 인디고 (보라 대체) */
  --accent-50: #eef2ff;
  --accent-100: #e0e7ff;
  --accent-200: #c7d2fe;
  --accent-400: #818cf8;
  --accent-500: #6366f1;
  --accent-600: #4f46e5;
  --accent-700: #4338ca;

  /* Success - 부드러운 에메랄드 (초록 대체) */
  --success-50: #ecfdf5;
  --success-100: #d1fae5;
  --success-400: #34d399;
  --success-500: #10b981;
  --success-600: #059669;
  --success-700: #047857;

  /* Legacy aliases for compatibility */
  --primary: var(--primary-600);
  --primary-dark: var(--primary-700);
  --primary-light: var(--primary-100);
  --accent: var(--accent-500);
  --purple: var(--accent-600);
  --purple-light: var(--accent-100);
  --green: var(--success-600);
  --green-light: var(--success-100);

  /* Neutrals */
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;

  /* Amber for badges */
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-200: #fde68a;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
}

/* ==========================================
   2. Typography System
   ========================================== */

/* Display - Hero 제목 */
.text-display {
  font-size: 3.5rem;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Heading 1 - 섹션 제목 */
.text-h1 {
  font-size: 2.25rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Heading 2 - 서브 제목 */
.text-h2 {
  font-size: 1.5rem;
  line-height: 1.3;
  font-weight: 600;
}

/* Body Large - 강조 본문 */
.text-body-lg {
  font-size: 1.125rem;
  line-height: 1.6;
}

/* Body - 일반 본문 */
.text-body {
  font-size: 1rem;
  line-height: 1.7;
}

/* Small - 보조 텍스트 */
.text-small {
  font-size: 0.875rem;
  line-height: 1.5;
}

/* 모바일 타이포그래피 조정 */
@media (max-width: 768px) {
  .text-display {
    font-size: 2.5rem;
  }

  .text-h1 {
    font-size: 1.875rem;
  }

  .text-h2 {
    font-size: 1.25rem;
  }
}

/* ==========================================
   3. Base Styles
   ========================================== */
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* ==========================================
   4. Section Spacing
   ========================================== */
.section-padding {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.section-header {
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }
}

/* ==========================================
   5. Gradient Backgrounds
   ========================================== */
.gradient-bg {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
}

.gradient-primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
}

/* Hero 배경 장식 */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  pointer-events: none;
}

.hero-blob-1 {
  top: 5rem;
  right: 5%;
  width: 18rem;
  height: 18rem;
  background: var(--primary-400);
  opacity: 0.2;
}

.hero-blob-2 {
  bottom: 2rem;
  left: 5%;
  width: 24rem;
  height: 24rem;
  background: var(--accent-400);
  opacity: 0.1;
}

@media (max-width: 768px) {
  .hero-blob-1 {
    width: 12rem;
    height: 12rem;
    right: -2rem;
  }

  .hero-blob-2 {
    width: 16rem;
    height: 16rem;
    left: -4rem;
  }
}

/* ==========================================
   6. Mobile Menu Animation
   ========================================== */
#mobile-menu {
  transition: max-height 0.3s ease-in-out;
  max-height: 0;
  overflow: hidden;
}

#mobile-menu.open {
  max-height: 400px;
}

/* ==========================================
   7. Modal Animations
   ========================================== */
#modal-backdrop {
  transition: opacity 0.3s ease;
}

#info-modal {
  transition: all 0.3s ease;
}

/* ==========================================
   8. Card Hover Effects
   ========================================== */
.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 서비스 카드 - 상단 그라데이션 라인 */
.service-card {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(59, 130, 246, 0.15);
}

/* 아이콘 배경 그라데이션 */
.icon-gradient-blue {
  background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-50) 100%);
}

.icon-gradient-indigo {
  background: linear-gradient(135deg, var(--accent-100) 0%, var(--accent-50) 100%);
}

.icon-gradient-green {
  background: linear-gradient(135deg, var(--success-100) 0%, var(--success-50) 100%);
}

/* ==========================================
   9. Button Styles
   ========================================== */
.btn-primary {
  background-color: var(--primary-600);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-700);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background-color: var(--gray-100);
  color: var(--gray-800);
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
  background-color: var(--gray-200);
  border-color: var(--gray-300);
}

/* ==========================================
   10. Section Decorations
   ========================================== */
.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gray-200), transparent);
}

/* Pattern background for CTA section */
.bg-pattern {
  background-image: radial-gradient(white 1px, transparent 1px);
  background-size: 30px 30px;
}

/* ==========================================
   11. Typography Helpers
   ========================================== */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================
   12. Navigation Styles
   ========================================== */
.nav-link {
  position: relative;
  color: var(--gray-600);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-600);
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ==========================================
   13. Footer Business Info
   ========================================== */
.business-info {
  font-size: 0.75rem;
  color: var(--gray-500);
  line-height: 1.75;
}

.business-info p {
  margin-bottom: 0.25rem;
}

/* ==========================================
   14. Trust Badge Styles
   ========================================== */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--amber-50) 0%, #fefce8 100%);
  padding: 1rem 1.5rem;
  border-radius: 9999px;
  border: 1px solid var(--amber-200);
  box-shadow: 0 10px 25px -5px rgba(251, 191, 36, 0.2);
  position: relative;
  overflow: hidden;
}

.trust-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
  0%, 100% {
    left: -100%;
  }
  50% {
    left: 100%;
  }
}

.trust-badge .stars {
  display: flex;
  color: var(--amber-400);
}

.trust-badge .rating {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--amber-600);
}

.trust-badge .review-count {
  color: var(--gray-600);
  font-size: 0.875rem;
}

/* ==========================================
   15. Scroll Animations
   ========================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation delays */
.fade-delay-1 { transition-delay: 0.1s; }
.fade-delay-2 { transition-delay: 0.2s; }
.fade-delay-3 { transition-delay: 0.3s; }
.fade-delay-4 { transition-delay: 0.4s; }

/* Scale animation */
.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Slide in from left */
.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Slide in from right */
.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==========================================
   16. Floating Animation
   ========================================== */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* ==========================================
   17. Responsive Adjustments
   ========================================== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  /* 모바일 터치 타겟 최소 44px */
  .touch-target {
    min-height: 44px;
    min-width: 44px;
  }

  /* 모바일에서 fade-in 효과 간소화 */
  .fade-in-up,
  .slide-in-left,
  .slide-in-right {
    transform: translateY(20px);
  }
}

/* ==========================================
   18. Loading States
   ========================================== */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--gray-200);
  border-top-color: var(--primary-600);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================
   19. Review Cards
   ========================================== */
.review-card {
  transition: all 0.3s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   20. Template Cards
   ========================================== */
.template-card {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.template-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--success-500), var(--success-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.template-card:hover::before {
  transform: scaleX(1);
}

.template-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px -10px rgba(16, 185, 129, 0.15);
}

/* ==========================================
   21. CTA Section Enhancement
   ========================================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
}

.cta-button {
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   22. Typing Cursor Animation
   ========================================== */
.typing-cursor::after {
  content: '|';
  animation: blink 0.7s infinite;
  margin-left: 2px;
}

@keyframes blink {
  from, to { opacity: 1; }
  50% { opacity: 0; }
}

/* ==========================================
   23. Video Card Styles
   ========================================== */
.aspect-video {
  aspect-ratio: 16 / 9;
}

/* ==========================================
   24. Line Clamp Utilities
   ========================================== */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================
   25. Contents Hub Enhancements
   ========================================== */
.contents-video-card img {
  transition: transform 0.3s ease;
}

.contents-video-card:hover img {
  transform: scale(1.05);
}

/* ==========================================
   26. Carousel Styles
   ========================================== */
.carousel-container {
  position: relative;
  padding: 0 0.5rem;
}

.carousel-viewport {
  overflow: hidden;
  margin: 0 -0.5rem;
  padding: 0 0.5rem;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: transform;
}

.carousel-item {
  flex-shrink: 0;
}

/* Carousel Navigation Buttons */
.carousel-prev,
.carousel-next {
  position: absolute;
  top: 40%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.carousel-container:hover .carousel-prev,
.carousel-container:hover .carousel-next {
  opacity: 1;
}

.carousel-prev:hover,
.carousel-next:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.carousel-prev:disabled,
.carousel-next:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-prev {
  left: -1rem;
}

.carousel-next {
  right: -1rem;
}

/* Carousel Indicators */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.carousel-indicator {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--gray-300);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.carousel-indicator:hover {
  background: var(--gray-400);
}

.carousel-indicator.active {
  background: var(--primary-600);
  width: 1.5rem;
  border-radius: 0.25rem;
}

/* Responsive Carousel */
@media (max-width: 768px) {
  .carousel-item {
    width: 85% !important;
  }

  .carousel-prev,
  .carousel-next {
    display: none !important;
  }

  .carousel-container {
    padding: 0;
  }

  .carousel-viewport {
    margin: 0;
    padding: 0 1rem;
    scroll-snap-type: x mandatory;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .carousel-viewport::-webkit-scrollbar {
    display: none;
  }

  .carousel-item {
    scroll-snap-align: center;
  }

  .carousel-track {
    transition: none;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .carousel-track {
    transition: none;
  }

  .carousel-prev,
  .carousel-next,
  .carousel-indicator {
    transition: none;
  }
}