:root {
  --bg-main: #0a0a0a;
  --bg-card: #151515;
  --bg-soft: #1b1b1b;
  --bg-hover: #242424;
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.1);
  --accent-glow: rgba(59, 130, 246, 0.18);
  --border: #323232;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --max-width: 1120px;
  --radius: 18px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.16), transparent 28%),
    linear-gradient(180deg, #090909 0%, #0d0d0d 100%);
  color: var(--text-main);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.58;
  font-weight: 400;
  letter-spacing: -0.015em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

section {
  padding: 3.7rem 0;
}

.container-wide {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1.2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent);
}

.main-header {
  padding: 3.9rem 0 2.8rem;
}

.header-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.56fr) minmax(320px, 0.84fr);
  gap: 1.1rem;
  align-items: stretch;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: none;
  margin-bottom: 0.8rem;
}

.hero-title {
  min-height: 0.92em;
  font-size: clamp(4rem, 7.5vw, 7.3rem);
  line-height: 0.86;
  letter-spacing: -0.075em;
  font-weight: 100;
  white-space: nowrap;
  margin-bottom: -0.28rem;
}

.cursor {
  color: var(--accent);
  font-weight: 200;
}

.cursor.typing-done {
  animation: blink 1.1s step-end infinite;
}

.welcome-text {
  margin-top: -0.18rem;
  color: #d7d7db;
  font-size: 0.97rem;
  font-weight: 400;
  line-height: 1.35;
}

.welcome-meta {
  color: #d7d7db;
  font-size: 0.97rem;
  font-weight: 400;
}

.headline {
  margin-top: 2.35rem;
  font-size: clamp(1.72rem, 3vw, 2.25rem);
  line-height: 1.2;
  font-weight: 450;
}

.sub-headline {
  max-width: 720px;
  margin-top: 0.72rem;
  color: var(--text-muted);
  font-size: 0.96rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.45rem;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  padding: 0.78rem 1.25rem;
  border-radius: 10px;
  font-weight: 500;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 28px rgba(59, 130, 246, 0.24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
}

.btn-secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.profile-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(var(--radius) + 2px);
  background:
    linear-gradient(180deg, rgba(23, 23, 23, 0.96), rgba(12, 12, 12, 0.98)),
    rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow);
}

.panel-glow {
  position: absolute;
  inset: -15% auto auto 40%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.22), transparent 70%);
  pointer-events: none;
}

.panel-content {
  position: relative;
  padding: 1.45rem;
}

.mini-label {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 500;
  margin-bottom: 0.9rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.stat-card {
  padding: 0.92rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.stat-card strong {
  display: block;
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.stat-card span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.panel-block {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-block h3 {
  margin-bottom: 0.75rem;
  font-size: 0.96rem;
  font-weight: 500;
}

.panel-block p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.section-title {
  margin-bottom: 1.4rem;
  font-size: 1.42rem;
  letter-spacing: -0.02em;
  font-weight: 500;
}

.bento-grid,
.bento-grid-2,
.bento-grid-3 {
  display: grid;
  gap: 1rem;
}

.bento-grid,
.bento-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bento-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: linear-gradient(180deg, rgba(20, 20, 20, 0.96), rgba(14, 14, 14, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 1.28rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card-featured {
  margin-bottom: 1rem;
  border-color: rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(18, 18, 18, 0.96));
}

.card-featured p {
  color: #d6d8df;
}

.card-top {
  margin-bottom: 0.9rem;
  padding-bottom: 0.78rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.card h3 {
  margin-bottom: 0.35rem;
  font-size: 1.08rem;
  font-weight: 500;
}

.meta {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.card p,
.card ul {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.card ul {
  padding-left: 1.2rem;
  margin-bottom: 0.9rem;
}

.card li {
  margin-bottom: 0.34rem;
}

.clean-list {
  list-style: none;
  padding-left: 0;
}

.skill-list li,
.credential-list li {
  margin-bottom: 0.95rem;
}

.skill-list strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text-main);
}

.skill-list span,
.credential-meta {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.learning-box {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.learning-box h4,
.skills-tag-container h4 {
  margin-bottom: 0.65rem;
  color: var(--text-muted);
  font-size: 0.84rem;
  text-transform: none;
  letter-spacing: 0.08em;
}

.top-ticker {
  margin-bottom: 1rem;
  padding: 0.58rem 0;
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 28s linear infinite;
}

.ticker-track span {
  padding-right: 4rem;
  color: #e4e4e7;
  white-space: nowrap;
  font-family: "Courier New", monospace;
  font-size: 0.78rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tags span {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.68rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: #ededf1;
  font-size: 0.77rem;
}

.contact-card {
  text-align: center;
  padding-block: 1.8rem;
}

.contact-title {
  margin-bottom: 0.7rem;
}

.contact-intro {
  max-width: 720px;
  margin: 0 auto 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 760px;
  margin: 0 auto;
}

.contact-item {
  padding: 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-item .label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-item strong {
  display: block;
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.5;
}

.narrative-card {
  max-width: 100%;
}

.narrative-card p + p {
  margin-top: 0.9rem;
}

.contact-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.loading-text {
  color: var(--text-muted);
}

footer {
  padding: 2rem 1.5rem 3rem;
  color: var(--text-muted);
  text-align: center;
  font-size: 0.9rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-25%);
  }
}

@keyframes blink {
  50% {
    opacity: 0.2;
  }
}

@media (max-width: 1080px) {
  .header-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    white-space: normal;
  }

  .bento-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  section {
    padding: 3.2rem 0;
  }

  .navbar {
    padding: 0.9rem 0;
  }

  .nav-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    gap: 0.9rem;
    font-size: 0.88rem;
  }

  .bento-grid,
  .bento-grid-2,
  .bento-grid-3,
  .contact-links,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .panel-content,
  .card {
    padding: 1.15rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}