@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root {
  /* Daangn Brand Colors */
  --daangn-orange: #FF7E36;
  --daangn-orange-hover: #E66A28;
  
  /* Text Colors */
  --text-primary: #212124;
  --text-secondary: #4D5159;
  --text-tertiary: #868B94;
  
  /* Background & Border */
  --bg-white: #FFFFFF;
  --bg-gray: #F8F9FA;
  --border-color: #EAEBEE;
  
  --max-width: 1040px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.6;
  letter-spacing: -0.02em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.wrap { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
}
.logo-icon {
  font-size: 22px;
}
.nav {
  display: flex;
  gap: 24px;
}
.nav a {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav a:hover {
  color: var(--daangn-orange);
}

/* Sections */
.section { padding: 120px 0; }
.section-gray { background-color: var(--bg-gray); }
.section-title {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 48px;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  transition: all 0.2s;
  cursor: pointer;
  white-space: nowrap;
}

/* Hero */
.hero {
  padding: 160px 0 120px;
}
.hero-title {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
  word-break: keep-all;
}
.hero-desc {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  line-height: 1.6;
  word-break: keep-all;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background-color: var(--daangn-orange);
  color: white;
}
.btn-primary:hover {
  background-color: var(--daangn-orange-hover);
}
.btn-secondary {
  background-color: var(--bg-gray);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background-color: #EAEBEE;
}

/* Intro / Stats */
.intro-content {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 760px;
  margin-bottom: 64px;
}
.intro-content p { margin-bottom: 16px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stat-box {
  background: var(--bg-white);
  padding: 40px 32px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
}
.stat-box strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.2;
  word-break: keep-all;
}
.stat-box strong .highlight {
  color: var(--daangn-orange);
  font-size: 38px;
  display: inline-block;
  margin: 0 2px;
}
.stat-box span {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Timeline (Experience) */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 64px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
}
.timeline-meta h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.timeline-role {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--daangn-orange);
  margin-bottom: 4px;
}
.timeline-date {
  display: block;
  font-size: 14px;
  color: var(--text-tertiary);
}
.timeline-content p {
  font-size: 18px;
  color: var(--text-primary);
  margin-bottom: 24px;
  font-weight: 600;
  word-break: keep-all;
  line-height: 1.5;
}
.timeline-content ul {
  padding-left: 20px;
}
.timeline-content li {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  position: relative;
}
.timeline-content li::before {
  content: "·";
  position: absolute;
  left: -16px;
  color: var(--text-tertiary);
}

/* Cards (Projects) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 48px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.05);
  border-color: var(--daangn-orange);
}
.card-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 6px 12px;
  background-color: #FFF2EB;
  color: var(--daangn-orange);
  font-size: 13px;
  font-weight: 700;
  border-radius: 6px;
  margin-bottom: 20px;
}
.card-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.4;
  word-break: keep-all;
}
.card-desc {
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.6;
}
.card-desc .desc-text {
  color: var(--text-secondary);
  font-weight: 400;
}
.card-highlight {
  font-weight: 700;
  font-size: 16px;
  color: var(--daangn-orange);
  background-color: #FFF2EB;
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
  word-break: keep-all;
}
.card-more {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-align: right;
  transition: color 0.2s, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover .card-more {
  color: var(--daangn-orange);
  transform: translateX(6px);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  overflow: auto;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}
.modal-content {
  background-color: var(--bg-white);
  margin: auto;
  padding: 48px;
  border-radius: 24px;
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,0.1);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}
.modal.show .modal-content {
  transform: translateY(0);
}
.modal-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 32px;
  font-weight: 300;
  color: var(--text-tertiary);
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.2s;
}
.modal-close:hover {
  color: var(--text-primary);
}

.modal-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}
.modal-tag {
  display: inline-block;
  padding: 6px 12px;
  background-color: #FFF2EB;
  color: var(--daangn-orange);
  font-size: 13px;
  font-weight: 700;
  border-radius: 6px;
  margin-bottom: 16px;
}
.modal-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
  word-break: keep-all;
}
.modal-date {
  font-size: 15px;
  color: var(--text-tertiary);
}

.modal-section {
  margin-bottom: 40px;
}
.modal-section:last-child {
  margin-bottom: 0;
}
.modal-section p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  word-break: keep-all;
}
.modal-section p strong {
  display: inline-block;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 4px;
}

/* Two Col (Capability & Edu) */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.tags-container h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tags span {
  padding: 10px 16px;
  background-color: var(--bg-gray);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.edu-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.edu-item .edu-type {
  font-size: 13px;
  font-weight: 700;
  color: var(--daangn-orange);
  margin-bottom: 4px;
  display: block;
}
.edu-item h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}
.edu-item p {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* Footer */
.cta-section {
  text-align: center;
  padding: 120px 0;
  background-color: var(--bg-white);
}
.cta-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.4;
  word-break: keep-all;
}
.cta-desc {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
  word-break: keep-all;
}

.footer {
  padding: 80px 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-white);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
}
.footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
}
.footer-contact {
  font-size: 15px;
  color: var(--text-secondary);
  text-align: right;
  line-height: 1.8;
}
.footer-contact strong {
  color: var(--text-primary);
}
.footer-bottom {
  font-size: 13px;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
}

/* Animation */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 860px) {
  .section { padding: 80px 0; }
  .hero { padding: 100px 0 80px; }
  .hero-title { line-height: 1.4; }
  .hero-desc { font-size: 18px; margin-bottom: 32px; }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .btn {
    width: 100%;
    height: 48px;
    font-size: 15px;
    padding: 0 20px;
  }
  .stats-grid, .card-grid, .two-col, .timeline-item {
    grid-template-columns: 1fr;
  }
  .timeline-item { gap: 16px; }
  .card { padding: 32px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-contact { text-align: left; }
  .nav { display: none; }
  .modal-content { padding: 32px 24px; }
}