:root {
  --page-bg: #0b0c0f;
  --panel-bg: #12151b;
  --card-bg: #ffffff;
  --card-soft: #f7f8fa;
  --ink: #121417;
  --muted: #667085;
  --muted-strong: #475467;
  --line: #e5e7eb;
  --orange: #f15a22;
  --orange-strong: #d94814;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1120px;
  --topbar-h: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(241, 90, 34, 0.12), transparent 24%),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.05), transparent 18%),
    var(--page-bg);
  color: var(--white);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.65;
}

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

img {
  max-width: 100%;
  display: block;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 2000;
  padding: 10px 14px;
  background: var(--orange);
  color: var(--white);
  border-radius: 10px;
}

.skip-link:focus {
  top: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(11, 12, 15, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  max-width: calc(var(--container) + 40px);
  margin: 0 auto;
  min-height: var(--topbar-h);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

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

.gnb a {
  padding: 10px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  font-weight: 600;
}

.gnb a:hover,
.gnb a.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.scroll-shell {
  min-height: calc(100vh - var(--topbar-h));
}

.pane {
  min-height: calc(100vh - var(--topbar-h));
  display: flex;
  align-items: center;
  padding: 48px 20px;
  scroll-margin-top: calc(var(--topbar-h) + 10px);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}

.hero-pane {
  padding-top: 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 380px);
  gap: 28px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-head h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.1;
}

.hero-lead {
  margin: 20px 0 0;
  max-width: 760px;
  font-size: 1.14rem;
  color: rgba(255, 255, 255, 0.84);
}

.hero-points {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero-points li {
  position: relative;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.92);
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--orange);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--orange-strong);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.card {
  background: var(--card-bg);
  color: var(--ink);
  border: 1px solid rgba(17, 24, 39, 0.06);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 18px;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--card-soft);
}

.summary-list {
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
}

.summary-list div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.summary-list div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.summary-list dt {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.summary-list dd {
  margin: 0;
  font-weight: 700;
}

.section-head {
  margin-bottom: 24px;
}

.section-head p:last-child {
  margin: 12px 0 0;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.8);
}

.highlight-grid,
.work-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.highlight-card,
.work-grid .card,
.contact-grid .card,
.skill-detail-grid .card,
.timeline,
.career-card,
.skill-icons-card {
  padding: 24px;
}

.badge,
.career-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(241, 90, 34, 0.12);
  color: var(--orange-strong);
  font-size: 0.84rem;
  font-weight: 800;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge-link {
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

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

.highlight-card h3,
.timeline-content h3,
.career-card h3,
.work-grid h3 {
  margin: 14px 0 10px;
  font-size: 1.2rem;
  line-height: 1.35;
}

.highlight-card p,
.timeline-content p,
.career-summary,
.work-grid p,
.contact-note,
.section-head p,
.career-meta {
  margin: 0;
  color: var(--muted-strong);
}

.skills-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 20px;
  align-items: start;
}

.skill-detail-grid {
  display: grid;
  gap: 20px;
}

.card-title {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--orange);
  font-size: 1rem;
  font-weight: 800;
}

.stack-icons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(56px, 1fr));
  gap: 16px;
}

.stack-icons i {
  display: grid;
  place-items: center;
  min-height: 64px;
  font-size: 2.2rem;
  border-radius: 16px;
  background: var(--card-soft);
  border: 1px solid var(--line);
}

.check-list,
.career-points {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.timeline {
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 144px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  position: relative;
  padding: 8px 0 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-period {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.timeline-content {
  position: relative;
  padding-left: 22px;
}

.timeline-content::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(241, 90, 34, 0.12);
}

.career-list {
  display: grid;
  gap: 20px;
}

.career-card {
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.career-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.career-meta {
  margin-top: 6px;
  font-size: 0.95rem;
}

.career-summary {
  margin-top: 16px;
  font-size: 1rem;
}

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tech-chips span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--card-soft);
  border: 1px solid var(--line);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--muted-strong);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}

.link-row a,
.contact-link {
  color: var(--orange-strong);
  font-weight: 800;
}

.link-row a:hover,
.contact-link:hover {
  text-decoration: underline;
}

.info-grid.compact {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 12px 16px;
}

.info-grid dt {
  color: var(--muted);
  font-weight: 700;
}

.info-grid dd {
  margin: 0;
  font-weight: 700;
}

.contact-links {
  display: grid;
  gap: 12px;
}

.contact-wrap {
  padding-bottom: 40px;
}

.floating-indicator {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 130px;
  padding: 12px 14px;
  border: 0;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.55);
  color: var(--white);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(10px);
}

.indicator-title {
  font-size: 0.92rem;
  font-weight: 800;
}

.indicator-count {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.72);
}

@media (min-width: 1024px) {
  .scroll-shell {
    scroll-snap-type: y proximity;
  }

  .pane {
    scroll-snap-align: start;
    scroll-snap-stop: normal;
  }
}

@media (max-width: 1023px) {
  .topbar-inner {
    min-height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .skills-layout,
  .highlight-grid,
  .work-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-left: 28px;
  }

  .timeline-content {
    padding-left: 0;
  }

  .timeline-content::before {
    left: -34px;
  }
}

@media (max-width: 767px) {
  .pane {
    min-height: auto;
    padding: 44px 20px;
  }

  .hero-pane {
    padding-top: 40px;
  }

  .topbar {
    position: sticky;
  }

  .gnb {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .gnb a {
    white-space: nowrap;
  }

  .floating-indicator {
    right: 12px;
    bottom: 12px;
    min-width: 112px;
    padding: 10px 12px;
  }

  .highlight-card,
  .work-grid .card,
  .contact-grid .card,
  .skill-detail-grid .card,
  .timeline,
  .career-card,
  .skill-icons-card,
  .hero-card {
    padding: 24px;
  }

  .info-grid.compact {
    grid-template-columns: 88px 1fr;
    gap: 10px 12px;
  }

  .topbar-inner {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}