/* =========================================================
   TOKENS
========================================================= */
:root {
  --bg:        #0A0E12;
  --bg-alt:    #10141B;
  --surface:   #151A22;
  --surface-2: #1B222C;
  --border:    rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text:      #DCE3EA;
  --text-dim:  #A9B2BE;
  --muted:     #6E7A88;

  --accent:      #4FD1C5;
  --accent-dim:  rgba(79, 209, 197, 0.14);
  --accent-warm: #F0A868;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --container: 1140px;
  --radius: 10px;
}

/* =========================================================
   RESET
========================================================= */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-display); margin: 0; color: #fff; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #001512;
  padding: 0.75em 1.25em;
  z-index: 1000;
  font-family: var(--font-mono);
  font-weight: 600;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================================================
   SHARED
========================================================= */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 2rem;
}
.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  margin-right: 0.4em;
}

.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 6rem 1.5rem;
}
/* section-alt spans full viewport width for the background band,
   while .section-inner keeps its content centered and aligned
   exactly like every other section. */
section.section-alt {
  max-width: none;
  padding: 6rem 0;
  background: var(--bg-alt);
}
.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.85em 1.6em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: #001512;
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.tag-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tag-list li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.4em 0.85em;
  border-radius: 999px;
}
.tag-list-sm li { font-size: 0.75rem; padding: 0.3em 0.7em; }

/* =========================================================
   HEADER / NAV
========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 18, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  color: #fff;
}
.logo-bracket { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  border: 1px solid var(--border-strong);
  padding: 0.5em 1em;
  border-radius: 6px;
}
.nav-cta:hover { border-color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* =========================================================
   HERO
========================================================= */
.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: 5rem 1.5rem 6rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 1.2rem;
}
.hero-title-accent { color: var(--accent); }

.hero-role {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--text-dim);
  margin-bottom: 1.4rem;
  min-height: 1.6em;
}
.hero-role-prefix { color: var(--accent-warm); margin-right: 0.5em; }
.cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  color: var(--text-dim);
  max-width: 46ch;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }
.terminal-title {
  margin-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.terminal-body {
  margin: 0;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  white-space: pre-wrap;
  min-height: 220px;
}

/* =========================================================
   ABOUT
========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
}
.about-text p { color: var(--text-dim); }
.about-text strong { color: #fff; }

.about-facts {
  display: grid;
  gap: 1rem;
  align-content: start;
}
.fact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
}
.fact-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}
.fact-value { font-weight: 600; color: #fff; margin-bottom: 0.2rem; }
.fact-sub { color: var(--muted); font-size: 0.85rem; margin: 0; }

/* =========================================================
   SKILLS
========================================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2rem;
}
.skill-group-title {
  font-size: 1rem;
  color: var(--accent-warm);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-weight: 500;
}

/* =========================================================
   PROJECTS
========================================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.project-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
  gap: 1rem;
}
.project-head h3 { font-size: 1.15rem; }
.project-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}
.project-card p { color: var(--text-dim); font-size: 0.95rem; flex-grow: 1; }
.project-links { margin-top: 1rem; display: flex; gap: 1.25rem; flex-wrap: wrap; }
.project-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}
.project-link:hover { text-decoration: underline; }

/* =========================================================
   RESUME
========================================================= */
.resume-section { text-align: left; }
.resume-desc { color: var(--text-dim); max-width: 50ch; margin-bottom: 1.8rem; }

/* =========================================================
   CONTACT
========================================================= */
.contact-desc { color: var(--text-dim); max-width: 50ch; }
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-top: 1.5rem;
}
.contact-link {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.contact-link:hover { color: var(--accent); border-color: var(--accent); }

/* =========================================================
   FOOTER
========================================================= */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1.2rem;
    display: none;
  }
  .nav-links.open { display: flex; }
}

/* =========================================================
   REDUCED MOTION
========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { animation: none; opacity: 1; }
  .btn-primary:hover, .project-card:hover { transform: none; }
}