/* ================================================================
   kylebutton.com — Terminal Theme CSS
   ================================================================ */

:root {
  --green:        #00ff00;
  --green-dark:   #00cc00;
  --green-dim:    #008800;
  --green-bright: #33ff33;
  --cyan:         #00ffcc;
  --bg:           #000000;
  --bg-card:      #0d0d0d;
  --bg-card2:     #111111;
  --border:       #00aa00;
  --glow:         0 0 6px rgba(0,255,0,0.6);
  --glow-strong:  0 0 10px #00ff00, 0 0 22px #00ff00;
  --font-mono:    'Courier New', 'Consolas', 'Monaco', monospace;
  --max-w:        1100px;
  --transition:   200ms ease;
}

/* ---- Light Mode ---- */
body.light-mode {
  --green:        #006600;
  --green-dark:   #004400;
  --green-dim:    #558855;
  --green-bright: #007700;
  --cyan:         #006688;
  --bg:           #f4f7f4;
  --bg-card:      #ffffff;
  --bg-card2:     #eef2ee;
  --border:       #88bb88;
  --glow:         0 0 4px rgba(0,100,0,0.2);
  --glow-strong:  0 1px 3px rgba(0,100,0,0.3);
}

body.light-mode {
  color: var(--green-dark);
  text-shadow: none;
}

body.light-mode::before { display: none; }

body.light-mode nav {
  background: rgba(244,247,244,0.97);
  border-bottom-color: var(--border);
}

body.light-mode .nav-logo { color: var(--green-bright); }
body.light-mode a { color: var(--cyan); }
body.light-mode a:hover { color: var(--green-bright); text-shadow: none; }

body.light-mode .btn:hover,
body.light-mode .btn.btn-primary:hover { box-shadow: none; }

body.light-mode .timeline::before {
  background: linear-gradient(to bottom, var(--cyan), var(--border), transparent);
}

body.light-mode .stat-number,
body.light-mode h2.section-title { text-shadow: none; }

body.light-mode footer { background: #e8eee8; }

/* ---- Theme Toggle Button ---- */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--green-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.theme-toggle:hover { border-color: var(--cyan); color: var(--cyan); }

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--green);
  line-height: 1.65;
  text-shadow: 0 0 2px rgba(0,255,0,0.4);
  min-height: 100vh;
}

/* CRT scanlines */
body::before {
  content: "";
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,0.12) 0px, rgba(0,0,0,0.12) 1px,
    transparent 1px, transparent 2px
  );
  pointer-events: none;
  z-index: 9999;
}

a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-bright); text-shadow: var(--glow); }

/* ---- Nav ---- */
nav {
  position: sticky; top: 0;
  background: rgba(0,0,0,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(4px);
  z-index: 100;
  padding: 0 2rem;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 1rem;
}
.nav-logo { color: var(--green-bright); font-weight: 700; font-size: 1.1rem; white-space: nowrap; }
.nav-logo span { color: var(--cyan); }
.nav-links { display: flex; gap: 1.5rem; list-style: none; flex-wrap: wrap; }
.nav-links a { color: var(--green-dim); font-size: 0.85rem; letter-spacing: 0.05em; }
.nav-links a:hover { color: var(--green); }

/* ---- Sections ---- */
section { padding: 5rem 2rem; border-bottom: 1px solid #111; }
.container { max-width: var(--max-w); margin: 0 auto; }

.section-label {
  font-size: 0.75rem;
  color: var(--green-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.section-label::before { content: "> "; color: var(--cyan); }

h2.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--green-bright);
  text-shadow: var(--glow);
  margin-bottom: 2.5rem;
}

/* ---- Hero ---- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.hero-content { max-width: var(--max-w); margin: 0 auto; width: 100%; }

.hero-prompt {
  color: var(--green-dim);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.hero-prompt .prompt-user { color: var(--cyan); }
.hero-prompt .prompt-host { color: var(--green); }

.hero-name {
  font-size: clamp(2.5rem, 7vw, 5rem);
  color: var(--green-bright);
  text-shadow: var(--glow-strong);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--cyan);
  margin-bottom: 0.5rem;
}
.hero-location {
  font-size: 0.9rem;
  color: var(--green-dim);
  margin-bottom: 2.5rem;
}
.hero-location::before { content: "📍 "; }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}
.tag {
  border: 1px solid var(--border);
  color: var(--green-dim);
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
}
.tag.highlight {
  border-color: var(--cyan);
  color: var(--cyan);
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid var(--green);
  color: var(--green);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.05em;
}
.btn::before { content: "[ "; }
.btn::after  { content: " ]"; }
.btn:hover   { background: var(--green); color: #000; text-shadow: none; box-shadow: var(--glow); }
.btn.btn-primary { border-color: var(--cyan); color: var(--cyan); }
.btn.btn-primary:hover { background: var(--cyan); color: #000; }

/* Blinking cursor */
.cursor {
  display: inline-block;
  width: 0.6em; height: 1.1em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about-text p {
  color: var(--green-dark);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about-text p:first-child { color: var(--green); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.2rem;
  text-align: center;
}
.stat-number {
  font-size: 2rem;
  color: var(--cyan);
  text-shadow: var(--glow);
  display: block;
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label { font-size: 0.7rem; color: var(--green-dim); letter-spacing: 0.1em; text-transform: uppercase; }

/* ---- Experience ---- */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), var(--green-dim), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 1.5rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.4rem; top: 0.4rem;
  width: 8px; height: 8px;
  border: 1px solid var(--cyan);
  background: var(--bg);
  transform: rotate(45deg);
}
.timeline-header { margin-bottom: 0.3rem; }
.timeline-role { font-size: 1rem; color: var(--green-bright); }
.timeline-company { color: var(--cyan); font-size: 0.9rem; }
.timeline-meta {
  font-size: 0.75rem;
  color: var(--green-dim);
  margin-bottom: 0.8rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.timeline-body { color: var(--green-dark); font-size: 0.9rem; line-height: 1.7; }
.timeline-body ul { padding-left: 1.2rem; }
.timeline-body li { margin-bottom: 0.2rem; }
.timeline-body li::marker { color: var(--cyan); content: "▸ "; }

/* ---- Skills ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.4rem;
}
.skill-group-title {
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #1a1a1a;
}
.skill-group-title::before { content: "// "; color: var(--green-dim); }
.skill-list { list-style: none; }
.skill-list li {
  font-size: 0.85rem;
  color: var(--green-dark);
  padding: 0.2rem 0;
}
.skill-list li::before { content: "- "; color: var(--green-dim); }

/* ---- Certs ---- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.6rem;
  position: relative;
  overflow: hidden;
}
.cert-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
}
.cert-issuer { font-size: 0.7rem; color: var(--green-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.4rem; }
.cert-name { font-size: 1rem; color: var(--green-bright); margin-bottom: 0.8rem; line-height: 1.3; }
.cert-meta { font-size: 0.75rem; color: var(--green-dim); }
.cert-meta span { color: var(--cyan); }
.cert-id { font-size: 0.7rem; color: var(--green-dim); margin-top: 0.3rem; }

/* ---- Projects ---- */
.projects-intro { color: var(--green-dark); margin-bottom: 2rem; font-size: 0.95rem; }
.projects-intro a { color: var(--cyan); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.project-card:hover { border-color: var(--cyan); box-shadow: 0 0 12px rgba(0,255,204,0.15); }
.project-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.8rem; }
.project-name { font-size: 1.05rem; color: var(--green-bright); }
.project-tag { font-size: 0.65rem; color: var(--green-dim); border: 1px solid #1a1a1a; padding: 0.15rem 0.5rem; }
.project-desc { color: var(--green-dark); font-size: 0.85rem; line-height: 1.6; flex: 1; margin-bottom: 1rem; }
.project-link {
  font-size: 0.8rem;
  color: var(--cyan);
  align-self: flex-start;
}
.project-link::before { content: "→ "; }
.project-link:hover { color: var(--green-bright); }

/* ---- Volunteer ---- */
.volunteer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.volunteer-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.4rem;
}
.volunteer-role { font-size: 0.95rem; color: var(--green-bright); margin-bottom: 0.2rem; }
.volunteer-org { color: var(--cyan); font-size: 0.85rem; margin-bottom: 0.3rem; }
.volunteer-dates { font-size: 0.75rem; color: var(--green-dim); margin-bottom: 0.8rem; }
.volunteer-desc { color: var(--green-dark); font-size: 0.85rem; line-height: 1.6; }

/* ---- Contact ---- */
#contact { border-bottom: none; }
.contact-inner { text-align: center; }
.contact-prompt { color: var(--green-dim); font-size: 0.9rem; margin-bottom: 2rem; }
.contact-links { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---- Footer ---- */
footer {
  background: var(--bg-card);
  border-top: 1px solid #111;
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--green-dim);
}

/* ---- Contact Form ---- */
.contact-field {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--green);
  padding: 0.6rem 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  display: block;
  width: 100%;
}
.contact-field::placeholder { color: var(--green-dim); }
.contact-field:focus { border-color: var(--cyan); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .timeline { padding-left: 1.2rem; }
  .timeline-item { padding-left: 1rem; }
  .timeline-item::before { left: -1.6rem; }
}