@import url("https://cdn.jsdelivr.net/gh/leetaewook/gmarket-sans-dynamic-subset/GmarketSans.css");

:root {
  --bg: #ffffff;
  --ink: #111111;
  --ink-soft: #3e454d;
  --muted: #767d86;
  --line: #dfe4ea;
  --line-strong: #111111;
  --surface: #f6f8fb;
  --surface-2: #eef5f6;
  --mint: #24d3b5;
  --blue: #275efe;
  --coral: #ff6f61;
  --yellow: #ffd15c;
  --radius: 8px;
  --max: 1160px;
  --shadow: 0 18px 60px rgba(17, 17, 17, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Gmarket Sans", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  min-height: 72px;
  padding: 0 32px;
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
}

.brand-mark {
  display: block;
  height: 34px;
  object-fit: contain;
  width: 34px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 18px;
}

.nav a {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.nav a:hover {
  color: var(--ink);
}

.mobile-menu {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--ink);
  cursor: pointer;
  display: none;
  justify-content: center;
  min-height: 42px;
  min-width: 42px;
}

.container {
  margin: 0 auto;
  max-width: var(--max);
  padding: 0 32px;
}

.hero {
  border-bottom: 1px solid var(--line);
  padding: 92px 0 54px;
}

.hero-grid {
  align-items: end;
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
}

.hero-grid > * {
  min-width: 0;
}

.hero-title {
  font-size: 132px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.86;
  margin: 0;
  max-width: 900px;
  text-transform: uppercase;
}

.hero-copy {
  color: var(--ink-soft);
  font-size: 22px;
  font-weight: 600;
  margin: 28px 0 0;
  max-width: 780px;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.profile-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.profile-panel img {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: block;
  object-fit: cover;
  width: 100%;
}

.role-list {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 18px 0 0;
  padding: 18px 0 0;
}

.role-list li {
  align-items: center;
  color: var(--ink-soft);
  display: flex;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 100%;
  min-width: 0;
}

.btn {
  align-items: center;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  gap: 8px;
  min-height: 44px;
  max-width: 100%;
  padding: 0 16px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--ink);
  color: #fff;
}

.btn.secondary {
  background: #fff;
  color: var(--ink);
}

.btn.ghost {
  border-color: var(--line);
  color: var(--ink-soft);
}

.metric-strip {
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.metric {
  border-right: 1px solid var(--line);
  min-height: 160px;
  padding: 28px 28px 24px;
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  font-size: 40px;
  line-height: 1;
}

.metric span {
  color: var(--muted);
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-top: 12px;
}

.section {
  border-bottom: 1px solid var(--line);
  padding: 86px 0;
}

.section-head {
  display: grid;
  gap: 32px;
  grid-template-columns: 0.95fr 1.15fr;
  margin-bottom: 42px;
}

.section-index {
  color: var(--muted);
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section h2 {
  font-size: 48px;
  line-height: 1.1;
  margin: 0;
}

.section h2.made-title {
  font-size: 64px;
  line-height: 0.95;
  max-width: 520px;
}

.section-lead {
  color: var(--ink-soft);
  font-size: 20px;
  font-weight: 500;
  margin: 0;
}

.project-first {
  background: var(--surface);
}

.signal-board {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 28px;
}

.signal-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 150px;
  padding: 22px;
}

.signal-card strong {
  display: block;
  font-size: 42px;
  line-height: 1;
}

.signal-card span {
  color: var(--ink);
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-top: 10px;
}

.signal-card p {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  margin: 8px 0 0;
}

.proof-grid,
.course-grid,
.project-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.proof-card,
.course-card,
.project-card,
.timeline-item,
.standard-item,
.link-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.proof-card {
  min-height: 218px;
  padding: 26px;
}

.proof-card i,
.course-card i,
.standard-item i,
.link-card i {
  color: var(--blue);
}

.proof-card h3,
.course-card h3,
.project-card h3,
.timeline-item h3,
.standard-item h3 {
  font-size: 20px;
  line-height: 1.35;
  margin: 18px 0 10px;
}

.proof-card p,
.course-card p,
.project-card p,
.timeline-item p,
.standard-item p {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0;
}

.standard-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, 1fr);
}

.standard-item {
  padding: 24px;
}

.courses {
  background: var(--surface);
}

.course-card {
  padding: 24px;
}

.course-card .meta {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 13px;
  font-weight: 700;
  gap: 8px;
  margin-bottom: 14px;
}

.project-toolbar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.project-toolbar::after {
  color: var(--muted);
  content: var(--visible-projects, "12") " projects";
  font-size: 13px;
  font-weight: 700;
  margin-left: auto;
}

.filter-btn {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  min-height: 38px;
  padding: 0 14px;
}

.filter-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.project-card {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  min-height: 310px;
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: var(--ink);
  box-shadow: var(--shadow);
  outline: 0;
  transform: translateY(-3px);
}

.project-card.is-featured {
  grid-column: span 2;
}

.project-card .thumb {
  align-items: center;
  background: linear-gradient(135deg, var(--surface), #fff);
  border-bottom: 1px solid var(--line);
  display: flex;
  height: 156px;
  justify-content: center;
  overflow: hidden;
}

.visual-card {
  align-items: flex-start;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  text-align: left;
}

.visual-card strong {
  font-size: 36px;
  line-height: 0.98;
}

.visual-card span {
  color: rgba(17, 17, 17, 0.68);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.visual-card.visual-mint {
  background: linear-gradient(135deg, #d8fff4, #ffffff);
}

.visual-card.visual-blue {
  background: linear-gradient(135deg, #dfe8ff, #ffffff);
}

.visual-card.visual-coral {
  background: linear-gradient(135deg, #ffe1dc, #ffffff);
}

.visual-card.visual-yellow {
  background: linear-gradient(135deg, #fff0bd, #ffffff);
}

.visual-card.visual-dark {
  background: #111;
  color: #fff;
}

.visual-card.visual-dark span {
  color: rgba(255, 255, 255, 0.72);
}

.project-card .project-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 9px;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.project-link {
  align-items: center;
  border-bottom: 1px solid var(--ink);
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  gap: 5px;
  padding-bottom: 2px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: 180px 1fr;
  padding: 24px;
}

.timeline-item time {
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
}

.cta {
  background: var(--ink);
  color: #fff;
  padding: 78px 0;
}

.cta-inner {
  align-items: end;
  display: grid;
  gap: 36px;
  grid-template-columns: 1.1fr 0.9fr;
}

.cta h2 {
  font-size: 50px;
  line-height: 1.08;
  margin: 0 0 18px;
}

.cta p {
  color: #d6dbe1;
  font-size: 18px;
  margin: 0;
}

.link-grid {
  display: grid;
  gap: 10px;
}

.link-card {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-height: 54px;
  padding: 0 16px;
}

.footer {
  color: var(--muted);
  font-size: 13px;
  padding: 34px 0;
}

.footer .container {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.project-modal[hidden] {
  display: none;
}

.project-modal {
  align-items: center;
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 24px;
  position: fixed;
  z-index: 100;
}

.modal-backdrop {
  background: rgba(17, 17, 17, 0.52);
  border: 0;
  cursor: pointer;
  inset: 0;
  position: absolute;
}

.modal-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 24px 90px rgba(17, 17, 17, 0.22);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  max-height: min(760px, calc(100vh - 48px));
  max-width: 1040px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.modal-close {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  height: 38px;
  justify-content: center;
  position: absolute;
  right: 14px;
  top: 14px;
  width: 38px;
  z-index: 2;
}

.modal-media {
  background: var(--surface);
  min-height: 420px;
  overflow: hidden;
}

.modal-media .visual-card {
  height: 100%;
  min-height: 420px;
}

.modal-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: end;
  padding: 44px 34px 34px;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.modal-content h2 {
  font-size: 40px;
  line-height: 1.08;
  margin: 0;
}

.modal-content p {
  color: var(--ink-soft);
  font-size: 18px;
  margin: 0;
}

.modal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.modal-links .project-link {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 42px;
  padding: 0 12px;
}

.pdf-page {
  background: #fff;
  color: var(--ink);
  font-family: "Gmarket Sans", "Malgun Gothic", Arial, sans-serif;
}

.pdf-sheet {
  margin: 0 auto;
  max-width: 900px;
  padding: 34px;
}

.pdf-header {
  border-bottom: 2px solid var(--ink);
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr 240px;
  padding-bottom: 24px;
}

.pdf-header.visual {
  align-items: end;
  grid-template-columns: 1.1fr 220px;
}

.pdf-profile-photo {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
  width: 100%;
}

.pdf-title {
  font-size: 52px;
  line-height: 1;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.pdf-subtitle {
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.pdf-contact {
  color: var(--ink-soft);
  display: grid;
  font-size: 12px;
  gap: 5px;
}

.pdf-section {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

.pdf-section h2 {
  font-size: 19px;
  margin: 0 0 14px;
}

.pdf-section-lead {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
  margin: -6px 0 14px;
}

.pdf-grid-2 {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
}

.pdf-grid-3 {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
}

.pdf-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.pdf-box.visual {
  min-height: 116px;
}

.pdf-box.visual strong {
  display: block;
  font-size: 26px;
  line-height: 1;
  margin-bottom: 8px;
}

.pdf-project-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 132px;
  padding: 13px;
}

.pdf-project-card h3 {
  font-size: 13px;
  margin: 0 0 5px;
}

.pdf-project-card p {
  color: var(--ink-soft);
  font-size: 10.8px;
  line-height: 1.48;
  margin: 0 0 6px;
}

.pdf-link {
  color: var(--ink);
  display: block;
  font-size: 9.2px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.pdf-box h3 {
  font-size: 14px;
  margin: 0 0 6px;
}

.pdf-box p,
.pdf-box li {
  color: var(--ink-soft);
  font-size: 11.5px;
  line-height: 1.58;
}

.pdf-list {
  margin: 0;
  padding-left: 18px;
}

.pdf-list li + li {
  margin-top: 4px;
}

.pdf-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pdf-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
}

.page-break {
  break-before: page;
}

@media (max-width: 1020px) {
  .hero-title {
    font-size: 86px;
  }

  .hero-grid,
  .section-head,
  .cta-inner {
    grid-template-columns: 1fr;
  }

  .proof-grid,
  .course-grid,
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .signal-board {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-card.is-featured {
    grid-column: span 2;
  }

  .standard-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 0 18px;
  }

  .mobile-menu {
    display: inline-flex;
  }

  .nav {
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    left: 0;
    padding: 18px;
    position: absolute;
    right: 0;
    top: 72px;
  }

  .nav.open {
    display: flex;
  }

  .container {
    padding: 0 18px;
  }

  .hero {
    padding: 56px 0 38px;
  }

  .hero-title {
    font-size: 52px;
    margin-right: 36px;
    max-width: none;
  }

  .hero-copy {
    font-size: 18px;
    margin-right: 36px;
    max-width: none;
    overflow-wrap: anywhere;
  }

  .hero-actions,
  .button-row {
    display: grid;
    grid-template-columns: 1fr;
    margin-right: 0;
    max-width: none;
    width: min(354px, calc(100% - 36px));
  }

  .profile-panel {
    margin-right: 0;
    max-width: none;
    width: min(354px, calc(100% - 36px));
  }

  .hero-actions .btn,
  .button-row .btn {
    justify-content: center;
    padding: 0 12px;
    width: 100%;
  }

  .hero-actions .btn:last-child {
    grid-column: auto;
  }

  .metric-strip,
  .signal-board,
  .proof-grid,
  .course-grid,
  .project-grid,
  .standard-grid,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .project-card.is-featured {
    grid-column: auto;
  }

  .signal-card {
    min-height: 132px;
  }

  .metric {
    border-right: 0;
  }

  .section {
    padding: 58px 0;
  }

  .section h2,
  .cta h2 {
    font-size: 34px;
  }

  .section h2.made-title {
    font-size: 42px;
  }

  .section-lead {
    font-size: 17px;
  }

  .footer .container {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .project-modal {
    align-items: end;
    padding: 0;
  }

  .modal-panel {
    border-radius: 8px 8px 0 0;
    grid-template-columns: 1fr;
    max-height: 92vh;
  }

  .modal-media {
    min-height: 220px;
  }

  .modal-media .visual-card {
    min-height: 220px;
  }

  .modal-content {
    padding: 24px 20px 28px;
  }

  .modal-content h2 {
    font-size: 30px;
  }

  .modal-content p {
    font-size: 16px;
  }
}

@media print {
  @page {
    margin: 12mm;
    size: A4;
  }

  body {
    background: #fff;
  }

  .pdf-sheet {
    max-width: none;
    padding: 0;
  }

  .pdf-section {
    break-inside: avoid;
  }
}