@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');
@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
}

:root {
  --color-navy: #020241;
  --color-purple: #282353;
  --color-orange: #e18436;
  --color-gray: #6f6c71;
  --color-blue: #0e509a;
  --color-pink: #ad245c;
  --color-beige: #d0c6af;
  --color-cyan: #3cabc1;

  --border-soft: rgba(208, 198, 175, 0.14);
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Pretendard', -apple-system, sans-serif;

  --max-width: 960px;
}

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

body {
  margin: 0;
  background: var(--color-navy);
  background-image:
    linear-gradient(rgba(208,198,175,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(208,198,175,0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  color: var(--color-beige);
  font-family: var(--font-body);
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--color-cyan); outline-offset: 3px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(2, 2, 65, 0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-cyan);
  letter-spacing: -0.02em;
}
.nav-logo b { color: #ffffff; font-weight: 700; }
.nav-links {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
}
.nav-links a {
  color: var(--color-beige);
  opacity: 0.75;
  padding: 6px 10px;
  border-radius: 6px;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.nav-links a::before { content: '~/'; color: var(--color-gray); }
.nav-links a:hover { opacity: 1; background: rgba(60,171,193,0.08); color: var(--color-cyan); }

/* ---------- Hero / Terminal ---------- */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 72px 24px 44px;
}
.terminal {
  background: var(--color-purple);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.22);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red { background: var(--color-pink); }
.dot-yellow { background: var(--color-orange); }
.dot-green { background: var(--color-cyan); }
.terminal-title {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gray);
}
.terminal-body {
  padding: 30px 26px 34px;
  font-family: var(--font-mono);
  font-size: 15px;
  min-height: 230px;
}
.line { margin: 0 0 4px; color: var(--color-cyan); min-height: 1.4em; }
.prompt { color: var(--color-orange); margin-right: 8px; }
.output { margin: 0 0 22px; color: var(--color-beige); padding-left: 20px; min-height: 1.2em; }
.name-output {
  font-size: 34px;
  font-weight: 700;
  color: #ffffff;
  padding-left: 20px;
  letter-spacing: -0.01em;
}
.tag-inprogress {
  font-size: 12px;
  font-family: var(--font-mono);
  background: rgba(225, 132, 54, 0.14);
  color: var(--color-orange);
  border: 1px solid var(--color-orange);
  padding: 2px 9px;
  border-radius: 20px;
  margin-left: 8px;
  white-space: nowrap;
}
.blinking-cursor {
  color: var(--color-cyan);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-links {
  display: flex;
  gap: 14px;
  margin-top: 24px;
}
.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-orange); color: var(--color-navy); border-color: var(--color-orange); font-weight: 700; }
.btn-primary:hover { opacity: 0.92; }
.btn-ghost { color: var(--color-beige); }
.btn-ghost:hover { border-color: var(--color-cyan); color: var(--color-cyan); }

/* ---------- Sections ---------- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 68px 24px;
}
.section-alt { background: rgba(40, 35, 83, 0.28); }
.section-comment {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray);
  margin: 0 0 10px;
}
.section-comment::before { content: '// '; color: var(--color-gray); }
.section h2 {
  font-size: 27px;
  margin: 0 0 34px;
  color: #ffffff;
  letter-spacing: -0.01em;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}
.about-text p { color: var(--color-beige); opacity: 0.9; margin: 0 0 18px; }
.about-stat-card {
  background: var(--color-purple);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 24px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gray);
  margin: 0 0 16px;
}
.stat-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  padding: 11px 0;
  border-top: 1px solid rgba(208,198,175,0.09);
}
.stat-row:first-of-type { border-top: none; }
.stat-row span:first-child { color: var(--color-gray); flex-shrink: 0; }
.stat-value { color: var(--color-beige); text-align: right; }

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.skill-card {
  background: var(--color-purple);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 22px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.skill-card:hover { border-color: rgba(60,171,193,0.4); transform: translateY(-2px); }
.skill-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(225,132,54,0.12);
  color: var(--color-orange);
  margin-bottom: 14px;
}
.skill-icon svg { width: 18px; height: 18px; }
.skill-card-title {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #ffffff;
  margin: 0 0 12px;
}
.skill-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13.5px;
  color: var(--color-beige);
  opacity: 0.85;
}
.skill-list li { margin-bottom: 7px; padding-left: 14px; position: relative; }
.skill-list li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--color-cyan);
}

/* ---------- Projects ---------- */
.project-list { display: flex; flex-direction: column; gap: 20px; }
.project-card {
  background: var(--color-purple);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 28px;
  transition: border-color 0.15s ease;
}
.project-card:hover { border-color: rgba(225,132,54,0.35); }
.project-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.project-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray);
}
.project-head h3 { margin: 0; font-size: 19px; color: #ffffff; flex: 1; min-width: 200px; }
.badge {
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.badge-progress { background: rgba(225, 132, 54, 0.14); color: var(--color-orange); border: 1px solid var(--color-orange); }
.badge-done { background: rgba(60, 171, 193, 0.14); color: var(--color-cyan); border: 1px solid var(--color-cyan); }
.project-desc { color: var(--color-beige); opacity: 0.88; font-size: 14.5px; margin: 14px 0 18px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  background: rgba(60, 171, 193, 0.1);
  color: var(--color-cyan);
  border: 1px solid rgba(60, 171, 193, 0.35);
  padding: 4px 10px;
  border-radius: 6px;
}

/* ---------- Contact ---------- */
.contact-section { text-align: center; }
.contact-desc { color: var(--color-beige); opacity: 0.8; margin-bottom: 30px; }
.contact-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-purple);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 14px 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.contact-link:hover { border-color: var(--color-orange); transform: translateY(-2px); }
.contact-link svg { width: 16px; height: 16px; color: var(--color-cyan); flex-shrink: 0; }
.contact-label-group { text-align: left; }
.contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-gray);
}
.contact-value { color: var(--color-beige); font-size: 13.5px; }

/* ---------- Contact Form ---------- */
.contact-form {
  max-width: 480px;
  margin: 30px auto 0;
  text-align: left;
  background: var(--color-purple);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 26px;
}
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gray);
  margin-bottom: 6px;
}
.form-row label::before { content: '$ '; color: var(--color-cyan); }
.form-row input,
.form-row textarea {
  width: 100%;
  background: rgba(2, 2, 65, 0.4);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--color-beige);
  font-family: var(--font-body);
  font-size: 14px;
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-cyan);
}
.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}
.form-submit {
  width: 100%;
  cursor: pointer;
  font-size: 14px;
}
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.contact-status {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  min-height: 1.2em;
  color: var(--color-gray);
}
.contact-status.is-success { color: var(--color-cyan); }
.contact-status.is-error { color: var(--color-pink); }

/* ---------- Footer ---------- */
.footer {
  text-align: center;
  padding: 30px 24px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  color: var(--color-gray);
  border-top: 1px solid rgba(208,198,175,0.08);
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav-links { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .name-output { font-size: 26px; }
  .hero-links { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  .blinking-cursor { animation: none; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}