/* ============================================
   ALLEN BYRNE — byrnehost.me
   Design System v2.0
   ============================================ */

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

:root {
  --bg:         #0B0F14;
  --surface:    #131920;
  --surface2:   #1A2233;
  --border:     #243040;
  --amber:      #E8A020;
  --amber-dim:  #A06E14;
  --amber-glow: rgba(232,160,32,0.12);
  --blue:       #4A9EFF;
  --green:      #3DD68C;
  --green-bg:   rgba(61,214,140,0.12);
  --blue-bg:    rgba(74,158,255,0.12);
  --text:       #E2EAF4;
  --muted:      #7A8FA8;
  --mono:       'IBM Plex Mono', monospace;
  --sans:       'Inter', sans-serif;
  --nav-h:      56px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: var(--nav-h);
  background: rgba(11,15,20,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--amber);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--amber); }

/* ============================================
   HERO — FULL HEIGHT (INDEX)
   ============================================ */

.hero-full {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 4rem) 2.5rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--amber);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-name {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.0;
  margin-bottom: 0.5rem;
}

.hero-name span { color: var(--amber); }

.hero-tagline {
  font-family: var(--mono);
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
  color: var(--muted);
  margin-bottom: 2.5rem;
}

/* ============================================
   HERO — INNER PAGES (COMPACT)
   ============================================ */

.hero-inner {
  padding: calc(var(--nav-h) + 3rem) 2.5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.page-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero-inner h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.hero-inner p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 600px;
}

/* ============================================
   STATUS PANEL — SIGNATURE ELEMENT
   ============================================ */

.status-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 4px;
  padding: 1.5rem 2rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
  position: relative;
}

.status-panel::before {
  content: '// OPERATOR PROFILE';
  position: absolute;
  top: -0.65rem;
  left: 1rem;
  background: var(--surface);
  padding: 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--amber-dim);
  letter-spacing: 0.15em;
}

.status-row {
  display: flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(36,48,64,0.5);
}

.status-row:last-child { border-bottom: none; }

.status-key {
  color: var(--muted);
  white-space: nowrap;
  min-width: 6rem;
}

.status-dots {
  flex: 1;
  margin: 0 0.75rem;
  border-bottom: 1px dotted var(--border);
  position: relative;
  top: 0.1rem;
  min-width: 1rem;
}

.status-val {
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.badge::before { content: '●'; font-size: 0.5rem; }
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-amber { background: var(--amber-glow); color: var(--amber); }
.badge-blue  { background: var(--blue-bg);  color: var(--blue); }

/* ============================================
   TERMINAL TYPING
   ============================================ */

.terminal-line {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  min-height: 1.5rem;
}

.terminal-line::before { content: '> '; color: var(--amber); }

.cursor {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  background: var(--amber);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

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

/* ============================================
   BUTTONS
   ============================================ */

.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  padding: 0.7rem 1.5rem;
  border-radius: 3px;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  display: inline-block;
}

.btn-primary { background: var(--amber); color: #0B0F14; font-weight: 600; }
.btn-primary:hover { background: #FFB733; }

.btn-outline { background: transparent; color: var(--amber); border: 1px solid var(--amber-dim); }
.btn-outline:hover { border-color: var(--amber); background: var(--amber-glow); }

/* ============================================
   SHARED SECTION UTILITIES
   ============================================ */

.page-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2.5rem 5rem;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
  font-size: 0.975rem;
}

/* ============================================
   STICKY PROFILE (INDEX ONLY)
   ============================================ */

.sticky-profile {
  position: fixed;
  top: calc(var(--nav-h) + 1.5rem);
  right: 2.5rem;
  width: 190px;
  z-index: 50;
  text-align: center;
}

.sticky-photo {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  display: block;
}

.sticky-badge {
  margin-top: -8px;
  transform: scale(0.55);
  transform-origin: top center;
  height: 148px;
  overflow: hidden;
}

/* ============================================
   ABOUT TEASER (INDEX)
   ============================================ */

.about-teaser {
  padding: 4rem 2.5rem;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.about-teaser .section-title { margin-bottom: 1rem; }

.about-teaser p {
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 1rem;
  font-size: 0.975rem;
  line-height: 1.8;
}

.about-teaser p strong { color: var(--text); }

/* ============================================
   RESUME SECTION (INDEX)
   ============================================ */

.resume-section {
  padding: 2.5rem;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  background: var(--surface);
}

.resume-section-text h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.resume-section-text p {
  color: var(--muted);
  font-size: 0.875rem;
  font-family: var(--mono);
}

/* ============================================
   CONTACT SECTION (INDEX)
   ============================================ */

.contact-section {
  padding: 4rem 2.5rem;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2.5rem;
  margin-top: 2rem;
}

.contact-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.contact-info > p {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.contact-links { display: flex; flex-direction: column; gap: 0.65rem; }

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-link:hover { color: var(--amber); }

.contact-link-icon {
  width: 30px;
  height: 30px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  flex-shrink: 0;
}

.contact-form-wrap { display: flex; flex-direction: column; gap: 0.65rem; }

.contact-form-wrap input,
.contact-form-wrap textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.65rem 0.9rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.contact-form-wrap input:focus,
.contact-form-wrap textarea:focus { border-color: var(--amber-dim); }

.contact-form-wrap textarea { resize: vertical; min-height: 100px; }

.contact-form-wrap input::placeholder,
.contact-form-wrap textarea::placeholder { color: var(--muted); }

/* ============================================
   ABOUT PAGE
   ============================================ */

.about-feature-img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 4px;
  border: 1px solid var(--border);
  margin-bottom: 0.75rem;
  display: block;
}

.about-img-caption {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--amber-dim);
  letter-spacing: 0.08em;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.about-body p {
  color: var(--muted);
  margin-bottom: 1.25rem;
  font-size: 0.975rem;
  line-height: 1.8;
}

.about-body p strong { color: var(--text); }

.highlight-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 4px;
  padding: 1.5rem 2rem;
  margin: 2rem 0;
}

.highlight-block p {
  font-size: 0.975rem;
  color: var(--muted);
  line-height: 1.8;
}

.highlight-block p strong { color: var(--text); }

.about-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2.5rem 0;
}

.about-list-block h3 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.about-list-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.about-list-block li {
  font-size: 0.9rem;
  color: var(--muted);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.55;
}

.about-list-block li::before {
  content: '▪';
  color: var(--amber);
  position: absolute;
  left: 0;
  font-size: 0.7rem;
  top: 0.2rem;
}

/* ============================================
   PROJECTS PAGE
   ============================================ */

.projects-grid { display: grid; gap: 1.25rem; }

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.project-card:hover {
  border-color: var(--amber-dim);
  transform: translateY(-2px);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.project-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.project-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.project-desc strong { color: var(--text); }

.project-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.stack-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 2px;
}

.project-link {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--amber);
  text-decoration: none;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.project-link:hover { opacity: 0.7; }

/* ============================================
   GALLERY PAGE
   ============================================ */

.gallery-sections { display: flex; flex-direction: column; gap: 3.5rem; }

.gallery-section-block h3 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--amber);
  text-transform: uppercase;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.gallery-grid img {
  width: 100%;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.gallery-grid img:hover {
  border-color: var(--amber-dim);
  transform: scale(1.015);
}

/* LIGHTBOX */
#lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.93);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

#lightbox-overlay.active { display: flex; }

#lightbox-overlay img {
  max-width: 90%;
  max-height: 88vh;
  border-radius: 4px;
  border: 1px solid var(--border);
  box-shadow: 0 0 60px rgba(0,0,0,0.6);
}

#lightbox-close {
  position: fixed;
  top: 1.25rem;
  right: 1.75rem;
  font-size: 1.75rem;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
  font-family: var(--mono);
  user-select: none;
}

#lightbox-close:hover { color: var(--amber); }

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 2.5rem;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer p {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.site-footer span { color: var(--amber); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 960px) {
  .sticky-profile { display: none; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 1.25rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.72rem; letter-spacing: 0.04em; }

  .hero-full { padding: calc(var(--nav-h) + 2rem) 1.25rem 3rem; }
  .hero-inner { padding: calc(var(--nav-h) + 1.5rem) 1.25rem 1.5rem; margin-bottom: 2rem; }

  .page-content { padding: 0 1.25rem 4rem; }
  .about-teaser { padding: 3rem 1.25rem; }
  .contact-section { padding: 3rem 1.25rem; }

  .contact-grid { grid-template-columns: 1fr; gap: 2rem; padding: 1.75rem; }
  .about-columns { grid-template-columns: 1fr; gap: 1.5rem; }

  .resume-section { padding: 1.75rem 1.25rem; }

  .status-panel { max-width: 100%; padding: 1.25rem 1.25rem; }
  .status-row { font-size: 0.75rem; }

  .site-footer { padding: 1.5rem 1.25rem; flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .nav-links { gap: 0.65rem; }
  .nav-links a { font-size: 0.68rem; }
  .hero-name { font-size: 2.6rem; }
  .status-key { min-width: 5rem; }
}