/* =====================================================
   TOKENS
===================================================== */
:root {
  --ink: #0B1220;
  --panel: #121A2C;
  --panel-border: #232E45;
  --text: #EDEFF4;
  --text-muted: #8B93A7;
  --orange: #FF7A29;
  --orange-light: #FFB566;
  --mint: #4ADE80;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius: 14px;
  --max-width: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

::selection { background: var(--orange); color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* =====================================================
   LAYOUT HELPERS
===================================================== */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 110px 24px 40px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--orange);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   NAVBAR
===================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-border);
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-mark { color: var(--orange); }
.accent { color: var(--orange); }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
  position: relative;
}
.nav-link:hover { color: var(--text); }

.nav-cta {
  border: 1px solid var(--orange);
  color: var(--orange) !important;
  padding: 6px 14px;
  border-radius: 8px;
}
.nav-cta:hover { background: var(--orange); color: var(--ink) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* =====================================================
   HERO
===================================================== */
.hero {
  padding: 150px 24px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.12;
  margin-bottom: 20px;
}

.cursor-dot { color: var(--orange); }

.hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: 8px;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  display: inline-block;
}
.btn-primary {
  background: var(--orange);
  color: var(--ink);
  font-weight: 600;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 122, 41, 0.28);
}
.btn-ghost {
  border: 1px solid var(--panel-border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.dot-sep { margin: 0 8px; color: var(--panel-border); }

/* terminal */
.terminal {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #0E1626;
  border-bottom: 1px solid var(--panel-border);
}
.terminal-dots { display: flex; gap: 6px; }
.terminal-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: #2A3550;
}
.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.terminal-body {
  padding: 22px 20px 26px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.terminal-body pre { white-space: pre-wrap; word-break: break-word; }
.terminal-body code { color: #C9D1E0; line-height: 1.75; }

.tk-key { color: #C792EA; }
.tk-var { color: #82AAFF; }
.tk-prop { color: #7FDBCA; }
.tk-str { color: var(--orange-light); }

.type-cursor {
  display: inline-block;
  width: 6px;
  background: var(--orange);
  animation: blink 1s steps(1) infinite;
}

.terminal-line {
  margin-top: 14px;
  color: var(--mint);
}
.cursor-blink {
  animation: blink 1s steps(1) infinite;
  color: var(--orange);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* =====================================================
   ABOUT
===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
}

.about-text {
  color: var(--text-muted);
  font-size: 1.02rem;
  max-width: 62ch;
}

.about-facts {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-left: 2px solid var(--panel-border);
  padding-left: 24px;
}

.about-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.fact-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.fact-value { font-size: 0.95rem; }

/* =====================================================
   EXPERIENCE / TIMELINE
===================================================== */
.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid var(--panel-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -35px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255,122,41,0.18);
}

.timeline-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.timeline-head h3 { font-size: 1.1rem; }

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-org {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--orange-light);
  margin: 4px 0 10px;
}

.timeline-content p {
  color: var(--text-muted);
  max-width: 60ch;
}

/* =====================================================
   SKILLS
===================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.skill-group h4 {
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--text);
}

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

.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 999px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.tag:hover { border-color: var(--orange); color: var(--orange-light); }

/* =====================================================
   PROJECTS
===================================================== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.project-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--tag-color, var(--orange));
}

.project-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--tag-color, var(--orange));
  border: 1px solid var(--tag-color, var(--orange));
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.project-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.project-card p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 16px; }

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.project-stack span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.project-stack span::after { content: " /"; opacity: 0.4; }
.project-stack span:last-child::after { content: ""; }

.project-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--orange);
}
.project-link:hover { color: var(--orange-light); }

/* =====================================================
   EDUCATION
===================================================== */
.edu-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--panel-border);
}
.edu-item {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--panel-border);
}
.edu-degree { font-weight: 500; }
.edu-detail {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* =====================================================
   CONTACT
===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  transition: border-color 0.2s ease;
  font-size: 0.92rem;
}
.contact-row:hover { border-color: var(--orange); }

.contact-icon {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--orange);
  width: 24px;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
}
.contact-form button { align-self: flex-start; border: none; cursor: pointer; }

.form-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mint);
  min-height: 1em;
}

/* =====================================================
   FOOTER
===================================================== */
.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--panel-border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.footer-socials a { color: var(--text-muted); transition: color 0.2s ease; }
.footer-socials a:hover { color: var(--orange); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-facts { border-left: none; padding-left: 0; border-top: 2px solid var(--panel-border); padding-top: 20px; }
  .skills-grid { grid-template-columns: 1fr; gap: 24px; }
  .project-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--panel-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 16px;
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-toggle { display: flex; }
  .section { padding-top: 90px; }
  .hero { padding-top: 130px; }
}