:root {
  --primary: #000000;
  --dark: #ffffff;
  --darker: #f0f0f0;
  --accent: #000000;
  --card-bg: #ffffff;
  --text: #000000;
  --text-secondary: #4d4d4d;
  --accent-hover: #333333;
  --border-radius: 12px;
  --transition: all 0.3s ease;
  --mobile-padding: 16px;
}

* {
  word-break: keep-all;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

::-webkit-scrollbar {
  display: none;
}

html,
body {
  overflow-x: hidden;
  width: 100%;
  position: relative;
  background-color: var(--dark);
  color: var(--text);
  font-family: "Pretendard", sans-serif;
  line-height: 1.6;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.main-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

section {
  padding: 30px var(--mobile-padding);
  width: 100%;
}

.credit-info {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 10px;
  color: var(--primary);
  font-weight: 600;
}

.credit-info .charge-btn {
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 0.75rem;
  background: var(--primary);
  color: var(--dark);
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
}

.credit-info .charge-btn:hover {
  background: var(--accent-hover);
}

/* Footer */
footer {
  padding: 20px 20px;
  text-align: center;
  margin-top: 80px;
  width: 100%;
}

copyright {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  section {
    padding: 20px var(--mobile-padding);
  }
}

/* 전역 모달 스타일 */
.global-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.global-modal-content {
  background: var(--card-bg);
  border: 2px solid var(--primary);
  border-radius: var(--border-radius);
  max-width: 450px;
  width: 90%;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  animation: globalModalSlideIn 0.3s ease-out;
  overflow: hidden;
}

@keyframes globalModalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-60px) scale(0.9);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.global-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.05);
}

.global-modal-title {
  color: var(--primary);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
  font-family: "Orbitron", sans-serif;
  letter-spacing: 0.5px;
}

.global-modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 5px;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.global-modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--primary);
  transform: rotate(90deg);
}

.global-modal-body {
  padding: 25px;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
  text-align: center;
}

.global-modal-footer {
  padding: 20px 25px;
  display: flex;
  justify-content: center;
  border-top: 1px solid rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.02);
}

.global-modal-button {
  background: linear-gradient(135deg, var(--primary), var(--accent-hover));
  color: var(--dark);
  font-weight: 700;
  padding: 12px 35px;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  min-width: 120px;
  font-family: "Pretendard", sans-serif;
}

.global-modal-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  background: linear-gradient(135deg, var(--accent-hover), var(--primary));
}

.global-modal-button:active {
  transform: translateY(0);
}

/* 모바일 반응형 */
@media (max-width: 768px) {
  .global-modal-content {
    width: 95%;
    max-width: 400px;
  }

  .global-modal-header {
    padding: 18px 20px;
  }

  .global-modal-body {
    padding: 20px;
    font-size: 0.95rem;
  }

  .global-modal-footer {
    padding: 18px 20px;
  }

  .global-modal-button {
    padding: 10px 30px;
    font-size: 0.95rem;
  }
}

/* 포트폴리오 스타일 */
.portfolio-container {
  font-family: "Pretendard", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background: #f9f9f9;
  color: #000000;
  line-height: 1.6;
}

.portfolio-header {
  text-align: center;
  padding: 40px 0;
  background: white;
  border-radius: 12px;
  margin-bottom: 30px;
  border: 1px solid #e0e0e0;
}

.portfolio-title {
  font-size: 2.5em;
  margin: 0;
  color: #000000;
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.portfolio-subtitle {
  font-size: 1.5em;
  margin: 10px 0;
  color: #666666;
  font-weight: 500;
}

.portfolio-description {
  font-size: 1.1em;
  color: #888888;
  margin: 0;
}

.portfolio-section {
  background: white;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 30px;
  border: 1px solid #e0e0e0;
}

.portfolio-section-title {
  font-size: 1.8em;
  margin: 0 0 20px 0;
  text-align: center;
  color: #000000;
  font-family: "Orbitron", sans-serif;
  font-weight: 600;
}

.portfolio-section-title-with-icon {
  font-size: 1.8em;
  margin: 0 0 20px 0;
  display: flex;
  align-items: center;
  color: #000000;
  font-family: "Orbitron", sans-serif;
  font-weight: 600;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.portfolio-grid-large {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.portfolio-grid-concept {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 20px;
}

.portfolio-card {
  background: #ffffff;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  border: 1px solid #e0e0e0;
  color: #000000;
  font-weight: 500;
  transition: all 0.3s ease;
}

.portfolio-card-large {
  background: #ffffff;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}

.portfolio-card-title {
  margin: 0 0 10px 0;
  color: #000000;
  font-weight: 600;
}

.portfolio-card-title-large {
  margin: 0 0 15px 0;
  color: #000000;
  font-weight: 600;
}

.portfolio-card-content {
  margin: 0;
  color: #666666;
}

.portfolio-card-content-large {
  margin: 0;
  color: #666666;
}

.portfolio-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.portfolio-info-item {
  background: #ffffff;
  padding: 15px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}

.portfolio-info-label {
  color: #000000;
  font-weight: bold;
}

.portfolio-info-value {
  color: #666666;
}

.portfolio-text {
  line-height: 1.6;
  font-size: 1.1em;
  color: #000000;
  margin: 0;
}

.portfolio-footer {
  text-align: center;
  padding: 30px;
  background: white;
  border-radius: 12px;
  border: 1px solid #e0e0e0;
}

.portfolio-footer-info {
  margin-bottom: 15px;
  color: #000000;
}

.portfolio-footer-text {
  margin: 0;
  font-style: italic;
  color: #888888;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
  .portfolio-container {
    padding: 15px;
  }

  .portfolio-title {
    font-size: 2em;
  }

  .portfolio-section {
    padding: 20px;
  }

  .portfolio-grid,
  .portfolio-grid-large,
  .portfolio-grid-concept {
    grid-template-columns: 1fr;
  }
}