/* ═══════════════════════════════════════════════════════════
   JEFFERSON BYLLER — core-router shell
   Terminal / Network Engineer visual system
   ═══════════════════════════════════════════════════════════ */
:root {
  --bg: #0a0d12;
  --bg-elevated: #0f141b;
  --panel: #0d1117;
  --panel-2: #11161d;
  --border: #1e2733;
  --border-soft: rgba(61, 220, 132, 0.18);
  --text: #cdd6e0;
  --text-dim: #78838f;
  --text-bright: #f1f5f9;
  --green: #3ddc84;
  --green-soft: rgba(61, 220, 132, 0.14);
  --green-glow: rgba(61, 220, 132, 0.45);
  --amber: #f2b134;
  --amber-soft: rgba(242, 177, 52, 0.14);
  --red: #f85149;
  --blue: #58a6ff;
  --radius: 10px;
  --radius-sm: 6px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Inter', var(--mono);
  --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ═══ RESET & BASE ═══ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--green) var(--bg);
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: none;
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
}

::selection { background: var(--green); color: #06110a; }

/* ═══ BACKGROUND ATMOSPHERE ═══ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image: radial-gradient(circle at 1px 1px, var(--border) 1px, transparent 0);
  background-size: 34px 34px;
  opacity: 0.35;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
  z-index: -2;
  opacity: 0.22;
}
.bg-orb--1 { width: 620px; height: 620px; background: radial-gradient(circle, var(--green) 0%, transparent 70%); top: -220px; right: -220px; animation: orbFloat1 26s ease-in-out infinite; }
.bg-orb--2 { width: 520px; height: 520px; background: radial-gradient(circle, var(--blue) 0%, transparent 70%); bottom: -160px; left: -220px; animation: orbFloat2 32s ease-in-out infinite; }
.bg-orb--3 { width: 360px; height: 360px; background: radial-gradient(circle, var(--amber) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%, -50%); animation: orbFloat3 22s ease-in-out infinite; opacity: 0.12; }

@keyframes orbFloat1 { 0%,100% { transform: translate(0,0) scale(1);} 33% { transform: translate(-40px,60px) scale(1.1);} 66% { transform: translate(30px,-30px) scale(0.95);} }
@keyframes orbFloat2 { 0%,100% { transform: translate(0,0) scale(1);} 33% { transform: translate(50px,-40px) scale(1.05);} 66% { transform: translate(-30px,50px) scale(0.9);} }
@keyframes orbFloat3 { 0%,100% { transform: translate(-50%,-50%) scale(1);} 50% { transform: translate(-45%,-55%) scale(1.15);} }

/* network node mesh backdrop */
.net-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
}
.net-mesh circle { fill: var(--green); }
.net-mesh .pulse { animation: nodePulse 3.6s ease-in-out infinite; }
.net-mesh line { stroke: var(--border-soft); stroke-width: 1; stroke-dasharray: 3 5; }
@keyframes nodePulse {
  0%, 100% { opacity: 0.25; r: 2.2; }
  50% { opacity: 0.9; r: 3.4; }
}

/* CRT scanlines + vignette */
.crt-overlay {
  position: fixed;
  inset: 0;
  z-index: 9985;
  pointer-events: none;
  background:
    repeating-linear-gradient(rgba(0,0,0,0.55) 0, rgba(0,0,0,0) 1px, rgba(0,0,0,0) 2px),
    radial-gradient(ellipse at center, rgba(0,0,0,0) 55%, rgba(0,0,0,0.35) 100%);
  opacity: 0.5;
  mix-blend-mode: multiply;
  animation: crtFlicker 7s infinite;
}
@keyframes crtFlicker {
  0%, 96%, 100% { opacity: 0.5; }
  97% { opacity: 0.38; }
  98% { opacity: 0.55; }
}

.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 9986;
  pointer-events: none;
  opacity: 0.03;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

/* ═══ CUSTOM CURSOR — text caret ═══ */
.cursor-caret {
  position: fixed;
  width: 2px;
  height: 18px;
  background: var(--green);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-1px, -50%);
  box-shadow: 0 0 8px var(--green-glow);
  animation: caretBlink 1s step-end infinite;
}
.cursor-halo {
  position: fixed;
  width: 34px;
  height: 34px;
  border: 1px solid var(--green);
  border-radius: 4px;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.25s ease, width 0.25s ease, height 0.25s ease, border-color 0.25s ease;
}
body.cursor-hover .cursor-halo { opacity: 1; background: var(--green-soft); }
@keyframes caretBlink { 50% { opacity: 0; } }

@media (pointer: coarse) {
  .cursor-caret, .cursor-halo { display: none; }
  body { cursor: auto; }
}

/* ═══ BOOT SCREEN ═══ */
.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 10050;
  background: #05070a;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 10vh 6vw;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.boot-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.boot-line { opacity: 0; white-space: pre-wrap; }
.boot-line.show { opacity: 1; }
.boot-line .ok { color: var(--green); font-weight: 700; }
.boot-line .info { color: var(--blue); font-weight: 700; }
.boot-skip {
  position: absolute;
  bottom: 32px;
  right: 6vw;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: none;
  letter-spacing: 0.05em;
}
.boot-skip:hover { border-color: var(--green); color: var(--green); }

/* ═══ SCROLL PROGRESS ═══ */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  z-index: 10000; transform-origin: left; transform: scaleX(0); width: 100%;
  box-shadow: 0 0 12px var(--green-glow);
}

/* ═══ TOP TERMINAL NAV ═══ */
.term-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 18px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: 999px;
  z-index: 100;
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
  font-family: var(--mono);
  animation: navDrop 0.8s 2.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  max-width: calc(100vw - 32px);
}
@keyframes navDrop { to { transform: translateX(-50%) translateY(0); } }

.term-nav .tab-dots { display: flex; gap: 5px; flex-shrink: 0; }
.term-nav .tab-dots span { width: 8px; height: 8px; border-radius: 50%; display: block; }
.term-nav .tab-dots span:nth-child(1) { background: var(--red); }
.term-nav .tab-dots span:nth-child(2) { background: var(--amber); }
.term-nav .tab-dots span:nth-child(3) { background: var(--green); }

.term-nav .tab-links { display: flex; gap: 2px; overflow-x: auto; }
.term-nav a {
  font-size: 0.72rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.term-nav a:hover, .term-nav a.active { color: var(--green); background: var(--green-soft); }

/* ═══ LAYOUT ═══ */
.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; position: relative; }
@media (min-width: 768px) { section { padding: 128px 0; } }

/* ═══ REVEAL ═══ */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.8s cubic-bezier(0.22,1,0.36,1), transform 0.8s cubic-bezier(0.22,1,0.36,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-stagger > * { opacity: 0; transform: translateY(26px); transition: opacity 0.6s cubic-bezier(0.22,1,0.36,1), transform 0.6s cubic-bezier(0.22,1,0.36,1); }
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.07s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.14s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.21s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.28s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.35s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.42s; }
.reveal-stagger.visible > * { opacity: 1; transform: translateY(0); }

/* ═══ SECTION LABEL / FILE HEADER ═══ */
.file-header {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}
.file-header::before { content: '$'; color: var(--text-dim); }
.file-header .path { color: var(--text-bright); font-weight: 600; }

h1, h2, h3, h4 { color: var(--text-bright); font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; font-family: var(--sans); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.3rem); font-family: var(--mono); font-weight: 700; }

a { color: var(--green); text-decoration: none; cursor: none; }

/* ═══ HERO ═══ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 90px;
  gap: 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.6fr 1fr; }
}

/* Terminal window */
.term-window {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0,0,0,0.45), 0 0 0 1px rgba(61,220,132,0.04);
  animation: fadeIn 0.8s 0.2s ease both;
  position: relative;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(16px);} to { opacity: 1; transform: translateY(0);} }

.term-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
}
.term-titlebar .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red { background: var(--red); }
.dot-amber { background: var(--amber); }
.dot-green { background: var(--green); }
.term-title { margin-left: 10px; font-size: 0.72rem; color: var(--text-dim); }

.term-body-inner {
  padding: 20px 20px 16px;
  font-family: var(--mono);
  font-size: 0.85rem;
  height: 360px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.term-history { flex: 1; }
.term-history p, .term-history div { margin-bottom: 4px; white-space: pre-wrap; word-break: break-word; }
.term-history .line-cmd { color: var(--text-bright); }
.term-history .line-cmd::before { content: '❯ '; color: var(--green); }
.term-history .out { color: var(--text); }
.term-history .out-dim { color: var(--text-dim); }
.term-history .out-ok { color: var(--green); }
.term-history .out-warn { color: var(--amber); }
.term-history .out-err { color: var(--red); }
.term-history a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }

.term-input-line { display: flex; align-items: center; gap: 8px; margin-top: 8px; flex-shrink: 0; }
.term-input-line .prompt { color: var(--green); flex-shrink: 0; }
.term-input-line input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-bright);
  font-family: var(--mono);
  font-size: 0.85rem;
  cursor: none;
}

/* webcam-style photo pinned to terminal */
.term-cam {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: 0 0 0 4px rgba(0,0,0,0.4), 0 8px 24px rgba(0,0,0,0.5);
  z-index: 3;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.term-cam:hover { border-color: var(--green); transform: scale(1.05); }
.term-cam img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(55%) contrast(1.05); transition: filter 0.4s ease; }
.term-cam:hover img { filter: grayscale(0%); }
.term-cam .live-dot {
  position: absolute;
  top: 5px;
  left: 5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 6px var(--red);
  animation: livePulse 1.6s ease-in-out infinite;
}
@keyframes livePulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* Hero side: status card + quick commands */
.hero-side { display: flex; flex-direction: column; gap: 16px; animation: fadeIn 0.8s 0.4s ease both; }

.status-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  font-family: var(--mono);
}
.status-row { display: flex; align-items: center; gap: 10px; font-size: 0.72rem; letter-spacing: 0.08em; color: var(--green); margin-bottom: 16px; text-transform: uppercase; }
.dot-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green-glow); animation: livePulse 1.8s ease-in-out infinite; }
.metric { display: flex; justify-content: space-between; font-size: 0.78rem; padding: 8px 0; border-bottom: 1px dashed var(--border); color: var(--text-dim); }
.metric:last-of-type { border-bottom: none; }
.metric span:last-child { color: var(--text-bright); font-weight: 600; }
.sparkline { width: 100%; height: 40px; margin-top: 12px; display: block; }
.sparkline polyline { fill: none; stroke: var(--green); stroke-width: 1.5; filter: drop-shadow(0 0 4px var(--green-glow)); }

.quick-cmds { display: flex; flex-wrap: wrap; gap: 8px; }
.quick-cmds button {
  font-family: var(--mono);
  font-size: 0.7rem;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 9px 14px;
  border-radius: 999px;
  cursor: none;
  transition: all 0.3s ease;
}
.quick-cmds button::before { content: '$ '; color: var(--green); }
.quick-cmds button:hover { border-color: var(--green); color: var(--text-bright); background: var(--green-soft); }

.hero-role {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.scroll-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeIn 1s 2.6s ease both;
}
.scroll-hint span { font-family: var(--mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-dim); }
.scroll-line { width: 1px; height: 36px; background: var(--border); position: relative; overflow: hidden; }
.scroll-line::after { content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--green); animation: scrollDown 2s infinite ease-in-out; }
@keyframes scrollDown { 0% { top: -100%; } 50% { top: 100%; } 100% { top: 100%; } }

/* ═══ ABOUT (cat sobre.md) ═══ */
.about-content { max-width: 720px; }
.about-content p { font-size: 1.05rem; margin-bottom: 22px; max-width: 680px; }
.md-comment { color: var(--text-dim); font-family: var(--mono); font-size: 0.85rem; margin-bottom: 12px; }
.md-comment::before { content: '# '; }

.highlight { color: var(--green); font-weight: 600; position: relative; }

/* ═══ STACK — terminal tags ═══ */
.stack-group { margin-bottom: 40px; }
.stack-category { font-family: var(--mono); font-size: 0.78rem; color: var(--text-bright); font-weight: 600; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.stack-category::before { content: '['; color: var(--text-dim); }
.stack-category::after { content: ']'; color: var(--text-dim); }
.chips-container { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: var(--mono);
  font-size: 0.76rem;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.3s cubic-bezier(0.22,1,0.36,1);
  position: relative;
  cursor: none;
}
.chip::before { content: '✓ '; color: var(--green); opacity: 0.6; }
.chip:hover { border-color: var(--green); color: var(--text-bright); background: var(--green-soft); transform: translateY(-2px); }

/* ═══ PROJECTS — systemctl status card ═══ */
.project-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
  font-family: var(--mono);
}
.project-card:hover { transform: translateY(-4px); border-color: var(--border-soft); box-shadow: 0 24px 48px rgba(0,0,0,0.35); }

.project-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
.project-title { font-size: 1.3rem; margin-bottom: 0; font-family: var(--mono); display: flex; align-items: center; gap: 10px; }
.status-active { display: inline-flex; align-items: center; gap: 8px; font-size: 0.72rem; color: var(--green); text-transform: uppercase; letter-spacing: 0.06em; }
.status-active .dot-pulse { width: 7px; height: 7px; }

.project-badge {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--green-soft);
  color: var(--green);
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

.project-tagline { color: var(--text); font-weight: 400; font-size: 0.95rem; margin: 16px 0 24px; font-family: var(--sans); }

.project-details { display: grid; gap: 18px; margin-bottom: 28px; }
.project-detail-item { display: flex; gap: 14px; align-items: flex-start; }
.detail-icon { flex-shrink: 0; width: 36px; height: 36px; border-radius: var(--radius-sm); background: var(--bg-elevated); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--green); }
.detail-icon svg { width: 16px; height: 16px; }
.detail-content h4 { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 6px; font-weight: 600; font-family: var(--mono); }
.detail-content p { font-size: 0.92rem; margin-bottom: 0; line-height: 1.6; font-family: var(--sans); color: var(--text); }

.btn-project {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--green);
  padding: 13px 24px;
  border: 1px solid var(--green);
  border-radius: var(--radius-sm);
  transition: all 0.3s cubic-bezier(0.22,1,0.36,1);
  cursor: none;
}
.btn-project::before { content: '$ '; opacity: 0.7; }
.btn-project:hover { background: var(--green-soft); color: var(--text-bright); box-shadow: 0 0 20px var(--green-glow); }
.btn-project svg { transition: transform 0.3s ease; }
.btn-project:hover svg { transform: translateX(4px); }

/* ═══ CONTACT — ssh config ═══ */
.contact-container { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; font-family: var(--mono); }
.contact-container p.intro { font-family: var(--sans); font-size: 1rem; color: var(--text); margin-bottom: 28px; }
.contact-links { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .contact-links { grid-template-columns: repeat(3, 1fr); } }
.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-bright);
  font-size: 0.85rem;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.3s cubic-bezier(0.22,1,0.36,1);
  cursor: none;
}
.contact-link:hover { border-color: var(--green); color: var(--green); background: var(--green-soft); transform: translateY(-3px); }
.contact-link svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }
.contact-link .host-label { color: var(--text-dim); font-size: 0.68rem; display: block; }

/* ═══ FOOTER ═══ */
.footer { text-align: center; padding: 40px 0; border-top: 1px solid var(--border); font-family: var(--mono); }
.footer p { font-size: 0.72rem; letter-spacing: 0.04em; color: var(--text-dim); max-width: 100%; }
.footer .prompt { color: var(--green); }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 767px) {
  section { padding: 64px 0; }
  .hero { padding-top: 100px; }
  .term-body-inner { height: 300px; font-size: 0.78rem; }
  .project-card { padding: 22px; }
  .contact-container { padding: 28px 20px; }
  .term-nav { top: 12px; padding: 8px 12px; gap: 12px; }
  .term-nav a { padding: 7px 10px; font-size: 0.65rem; }
  .scroll-hint { display: none; }
  .term-cam { width: 56px; height: 56px; bottom: 10px; right: 10px; }
}