/* ==========================================================================
   Chrysanthos Rouvellas — Portfolio
   Dark terminal aesthetic · GitHub Pages static site
   ========================================================================== */

:root {
  --bg-deep: #06080c;
  --bg-base: #0a0e14;
  --bg-elevated: #111820;
  --bg-card: rgba(17, 24, 32, 0.72);
  --bg-card-hover: rgba(22, 32, 44, 0.85);

  --text-primary: #e8edf4;
  --text-secondary: #8b9cb3;
  --text-muted: #5a6b82;

  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.15);
  --accent-glow: rgba(0, 229, 160, 0.35);
  --accent-secondary: #00b4d8;
  --accent-warm: #ffb347;

  --border: rgba(139, 156, 179, 0.12);
  --border-strong: rgba(0, 229, 160, 0.25);

  --font-display: "Syne", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --font-terminal: "Hack Nerd Font Mono", "Hack Nerd Font", ui-monospace, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --header-h: 72px;
  --container: min(1140px, calc(100% - 2.5rem));
  --terminal-body-h: 320px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

@font-face {
  font-family: "Hack Nerd Font Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/Nick2bad4u/nerd-fonts-woff2@v1.0.4/fonts/woff2/Hack/Regular/HackNerdFontMono-Regular.woff2") format("woff2");
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-deep);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-dim);
  color: var(--accent);
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
}

/* Background layers */
#networkCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  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");
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), backdrop-filter 0.35s;
}

.site-header.scrolled {
  background: rgba(6, 8, 12, 0.82);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.logo-prompt {
  color: var(--accent);
}

.logo-cursor {
  color: var(--accent);
  animation: blink 1.1s step-end infinite;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list a {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-cta {
  margin-left: 0.5rem;
  padding: 0.55rem 1.1rem !important;
  background: var(--accent-dim) !important;
  color: var(--accent) !important;
  border: 1px solid var(--border-strong);
}

.nav-list a.active:not(.nav-cta) {
  color: var(--accent);
  background: rgba(0, 229, 160, 0.1);
}

.nav-list a.nav-cta.active {
  background: rgba(0, 229, 160, 0.28) !important;
  border-color: var(--accent);
  color: var(--accent) !important;
  box-shadow: 0 0 20px var(--accent-glow);
}

.nav-cta:hover {
  background: rgba(0, 229, 160, 0.22) !important;
}

/* Scroll progress ring */
.scroll-progress {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 52px;
  height: 52px;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.35s var(--ease-out);
}

.scroll-progress.near-end {
  opacity: 0;
}

.scroll-progress-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.scroll-progress-bg {
  fill: none;
  stroke: rgba(139, 156, 179, 0.15);
  stroke-width: 3;
}

.scroll-progress-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 113.1;
  stroke-dashoffset: 113.1;
  transition: stroke-dashoffset 0.12s linear;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.scroll-progress-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--accent);
}

/* Hero */
.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-h) + 3rem) 0 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-grid > * {
  min-width: 0;
}

@media (min-width: 961px) {
  .terminal-body {
    font-size: 0.92rem;
    padding: 1.5rem 1.5rem 1.75rem;
  }

  .terminal-command-output {
    padding-left: 1.5rem;
  }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  margin: 0 0 1rem;
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-line {
  display: block;
}

.hero-line-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 50%, var(--accent-warm) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--accent);
}

.hero-services {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
}

.service-pill {
  padding: 0.4rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 34rem;
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.hero-lead strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s, background 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #00c48c);
  color: var(--bg-deep);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  background: var(--accent-dim);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.stat dt {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1;
}

.stat dd {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Terminal */
.hero-terminal {
  perspective: 1200px;
  width: 100%;
  min-width: 0;
}

.terminal-window {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--bg-elevated);
  border: 2px solid rgba(0, 229, 160, 0.35);
  outline: 1px solid rgba(0, 229, 160, 0.12);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, 0.4),
    0 0 24px rgba(0, 229, 160, 0.08),
    0 16px 48px rgba(0, 0, 0, 0.5);
  transform: rotateY(-4deg) rotateX(2deg);
  transition: transform 0.6s var(--ease-out), border-color 0.25s;
  cursor: pointer;
  height: var(--terminal-window-h, auto);
  min-height: var(--terminal-window-h, auto);
}

.terminal-window:focus-visible {
  border-color: var(--accent);
}

.terminal-tmux-bar {
  display: flex;
  gap: 0;
  background: rgba(0, 0, 0, 0.45);
  border-bottom: 1px solid var(--border);
}

.terminal-tmux-tab {
  flex: 1;
  min-height: 2.25rem;
  padding: 0.5rem 0.35rem;
  font-family: var(--font-terminal);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: lowercase;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.terminal-tmux-tab:last-child {
  border-right: none;
}

.terminal-tmux-tab:hover,
.terminal-tmux-tab.active {
  color: var(--accent);
  background: rgba(0, 229, 160, 0.08);
}

.terminal-hint {
  margin: 0;
  padding: 0.35rem 0.75rem 0.55rem;
  font-family: var(--font-terminal);
  font-size: 0.58rem;
  color: var(--text-muted);
  text-align: center;
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid var(--border);
}

.hero-terminal:hover .terminal-window {
  transform: rotateY(0deg) rotateX(0deg);
}

.terminal-body {
  flex: 1;
  padding: 1.35rem 1.35rem 1.5rem;
  font-family: var(--font-terminal);
  font-size: clamp(0.78rem, 0.72rem + 0.25vw, 0.92rem);
  line-height: 1.65;
  background: rgba(0, 0, 0, 0.2);
  height: var(--terminal-body-h);
  min-height: var(--terminal-body-h);
  max-height: var(--terminal-body-h);
  overflow: hidden;
}

.terminal-line {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.terminal-command-line {
  min-height: 1.65em;
}

.terminal-muted {
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.terminal-output {
  color: var(--accent-secondary);
  padding-left: 1.25rem;
  margin-bottom: 0.35rem;
}

.terminal-command-output {
  min-height: var(--terminal-output-h, 4.5em);
  margin-bottom: 0;
}

.prompt {
  color: var(--accent-secondary);
  margin-right: 0.4rem;
}

.terminal-cursor {
  color: var(--accent);
  animation: blink 1.1s step-end infinite;
}

/* Sections */
.section {
  position: relative;
  z-index: 2;
  padding: 6rem 0;
}

.section-header {
  max-width: 640px;
  margin-bottom: 3.5rem;
}

.section-label {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-header h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Philosophy */
.philosophy {
  background: linear-gradient(180deg, transparent, rgba(0, 229, 160, 0.03) 50%, transparent);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pillar-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: transform 0.35s var(--ease-out), border-color 0.35s, background 0.35s, box-shadow 0.35s;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.pillar-icon svg {
  width: 100%;
  height: 100%;
}

.pillar-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 700;
}

.pillar-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Expertise */
.skills-layout {
  display: grid;
  grid-template-columns: minmax(280px, 320px) 1fr;
  gap: 3rem;
  align-items: start;
}

/* Network demo */
.network-demo {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 380px;
}

.net-host {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.net-host-label {
  padding: 0.45rem 0.75rem;
  font-family: var(--font-terminal);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border);
}

.net-client .net-host-label { color: var(--accent-secondary); }
.net-server .net-host-label { color: var(--accent); }
.net-server-dns .net-host-label { color: var(--accent-secondary); }
.net-server-dhcp .net-host-label { color: #c9a227; }
.net-server-prod .net-host-label { color: var(--accent); }

.net-host-active {
  border-color: var(--border-strong);
  box-shadow: 0 0 0 1px var(--accent-dim), 0 0 24px rgba(0, 229, 160, 0.08);
}

.net-servers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.net-servers .net-host-label {
  font-size: 0.58rem;
  padding: 0.35rem 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.net-servers .net-console {
  min-height: 3.75rem;
  max-height: 3.75rem;
  padding: 0.5rem;
  font-size: 0.62rem;
}

.net-console {
  min-height: 7.5rem;
  max-height: 7.5rem;
  overflow: hidden;
  padding: 0.65rem 0.75rem;
  font-family: var(--font-terminal);
  font-size: 0.68rem;
  line-height: 1.55;
}

.net-line {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-secondary);
  animation: netLineIn 0.25s var(--ease-out);
}

.net-line.cmd { color: var(--text-primary); }
.net-line.ok { color: var(--accent); }
.net-line.info { color: var(--accent-secondary); }
.net-line.dim { color: var(--text-muted); }

@keyframes netLineIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.net-flow {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0.5rem 0;
}

.net-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-terminal);
  font-size: 0.62rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.3s;
}

.net-step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: 1px solid var(--border);
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.net-step-active {
  color: var(--accent);
}

.net-step-active .net-step-dot {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.net-step-line {
  width: 2.5rem;
  height: 2px;
  background: var(--border);
  margin: 0 0.25rem;
  margin-bottom: 1.1rem;
}

.skills-ls {
  display: none;
}

@media (min-width: 961px) {
  .network-demo {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .skills-ls {
    display: block;
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
  }

  .skills-grid {
    grid-column: 2;
    grid-row: 2;
  }
}

.skills-ls-pre {
  margin: 0;
  padding: 0.85rem 1rem;
  font-family: var(--font-terminal);
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.skills-ls-prompt {
  color: var(--accent);
  margin-right: 0.35rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* Services */
.services {
  background: linear-gradient(180deg, transparent, rgba(0, 180, 216, 0.03) 50%, transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.engagement-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1.5rem;
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem;
  list-style: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.engagement-types li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.engagement-types strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cost-carousel-group {
  margin: 0 0 0.65rem;
  font-family: var(--font-terminal);
  font-size: 0.68rem;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
}

.skill-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition: border-color 0.3s;
}

.skill-card:hover {
  border-color: var(--border-strong);
}

.skill-card-lead {
  margin: -0.35rem 0 0.85rem;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.skill-card-wide {
  grid-column: 1 / -1;
}

/* Cost reduction carousel */
.cost-carousel {
  position: relative;
  margin-top: 0.25rem;
  text-align: center;
  outline: none;
}

.cost-carousel:focus-visible {
  box-shadow: 0 0 0 2px var(--accent-dim);
  border-radius: var(--radius-sm);
}

.cost-carousel-viewport {
  position: relative;
  min-height: 8rem;
  overflow: hidden;
  perspective: 900px;
  cursor: pointer;
}

.cost-carousel-track {
  position: relative;
  min-height: 8rem;
}

.cost-carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.5rem;
  opacity: 0;
  visibility: hidden;
  transform: rotate(10deg) translateX(2rem);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.55s var(--ease-out),
    visibility 0.55s;
}

.cost-carousel-slide p {
  margin: 0;
  max-width: 42rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-secondary);
  text-align: center;
}

.cost-carousel-sublist {
  margin: 0.5rem auto 0;
  padding: 0;
  list-style: none;
  text-align: center;
}

.cost-carousel-sublist li {
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.cost-carousel-sublist li::before {
  content: "· ";
  color: var(--accent);
}

.cost-carousel-sublist li:last-child {
  margin-bottom: 0;
}

.cost-carousel-slide.active {
  opacity: 1;
  visibility: visible;
  transform: rotate(0deg) translateX(0);
}

.cost-carousel-slide.exit-anticlockwise {
  opacity: 0;
  visibility: hidden;
  transform: rotate(-10deg) translateX(-2rem);
}

.cost-carousel-slide.exit-clockwise {
  opacity: 0;
  visibility: hidden;
  transform: rotate(10deg) translateX(2rem);
}

.cost-carousel-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  cursor: pointer;
}

.cost-carousel-progress {
  width: 100%;
  max-width: 10rem;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.cost-carousel-progress-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.4s var(--ease-out);
  box-shadow: 0 0 8px var(--accent-glow);
}

.cost-carousel-dot {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.25s, transform 0.25s;
  pointer-events: none;
}

.cost-carousel-dot.active {
  background: var(--accent);
  transform: scale(1.25);
  box-shadow: 0 0 8px var(--accent-glow);
}

.cost-carousel-static .cost-carousel-viewport {
  min-height: auto;
  overflow: visible;
}

.cost-carousel-static .cost-carousel-track {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: auto;
}

.cost-carousel-static .cost-carousel-slide {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: none;
}

.cost-carousel-static .cost-carousel-nav {
  display: none;
}

.skill-details {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skill-details li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.65rem;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.skill-details li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.skill-details li:last-child {
  margin-bottom: 0;
}

.skill-card h3 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.skill-tags li {
  padding: 0.35rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
}

/* Highlights */
.highlights {
  background: linear-gradient(180deg, transparent, rgba(0, 229, 160, 0.02) 50%, transparent);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.highlight-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s;
}

.highlight-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
}

.highlight-badge {
  align-self: flex-start;
  margin-bottom: 1rem;
  padding: 0.3rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}

.highlight-badge-work {
  color: var(--accent-secondary);
  background: rgba(0, 180, 216, 0.12);
  border-color: rgba(0, 180, 216, 0.25);
}

.highlight-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.highlight-card p {
  flex: 1;
  margin: 0 0 0.65rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.highlight-proof {
  margin: 0 0 1rem !important;
  font-family: var(--font-terminal);
  font-size: 0.72rem !important;
  color: var(--accent) !important;
}

.highlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.highlight-tags li {
  padding: 0.3rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.highlight-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  transition: color 0.2s;
}

.highlight-link:hover {
  color: var(--text-primary);
}

/* Timeline */
.experience {
  background: linear-gradient(180deg, transparent, rgba(0, 180, 216, 0.02) 50%, transparent);
}

.experience-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.timeline-item {
  padding-bottom: 0;
}

.timeline-card {
  padding: 1.75rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.35s var(--ease-out);
}

.timeline-item:hover .timeline-card {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

/* Experience */
.experience-git-intro {
  font-family: var(--font-terminal);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.git-prompt {
  color: var(--accent);
  margin-right: 0.35rem;
}

.experience-git-log .timeline-card {
  position: relative;
  padding-left: 4.5rem;
}

.git-hash {
  position: absolute;
  left: 1.25rem;
  top: 1.35rem;
  font-family: var(--font-terminal);
  font-size: 0.68rem;
  color: var(--accent-secondary);
}

.timeline-compact {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.timeline-item-compact .timeline-header {
  margin-bottom: 0.5rem;
}

.timeline-item-compact .timeline-card {
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

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

.timeline-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.timeline-role {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--accent);
}

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

.timeline-details {
  margin: 0;
  padding-left: 0;
}

.timeline-details li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.timeline-details li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.timeline-details li:last-child {
  margin-bottom: 0;
}

.timeline-details strong {
  color: var(--text-primary);
}

/* Impact */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}

.impact-card {
  padding: 2rem 1.5rem;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.35s var(--ease-spring), border-color 0.3s;
}

.impact-card:hover {
  transform: scale(1.03);
  border-color: var(--border-strong);
}

.impact-value {
  display: block;
  font-size: 2.75rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.impact-label {
  display: block;
  margin: 0.5rem 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.impact-card p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.certs {
  padding: 2rem;
  background: rgba(0, 229, 160, 0.04);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
}

.certs-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 700;
}

.certs-trust-intro {
  margin: 0 0 0.75rem;
  font-family: var(--font-terminal);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.terminal-prompt {
  color: var(--accent);
  margin-right: 0.35rem;
}

.cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.cert-list li {
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.cert-list-trust {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 0;
}

.cert-list-trust li {
  padding: 0.15rem 0;
  font-family: var(--font-terminal);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-radius: 0;
}

/* Contact */
.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3.5rem;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(0, 229, 160, 0.12), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(0, 180, 216, 0.1), transparent 55%),
    var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
}

.contact-content h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
}

.contact-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-aside {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-honey {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-submit {
  align-self: flex-start;
  border: none;
  cursor: pointer;
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-status-success {
  color: var(--accent);
}

.form-status-error {
  color: #ff6b6b;
}

.contact-social {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease-spring);
}

.contact-link:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateX(6px);
}

.contact-link-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-link-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 2;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-hints {
  font-family: var(--font-terminal);
  font-size: 0.65rem !important;
  color: var(--text-muted) !important;
}

.footer-hints kbd {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  font-family: var(--font-terminal);
  font-size: 0.62rem;
  color: var(--accent);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem !important;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .status-dot,
  .logo-cursor,
  .terminal-cursor {
    animation: none;
  }

  .cost-carousel-static .cost-carousel-slide {
    transform: none;
  }

  .terminal-window {
    transform: none;
  }
}

/* Responsive */
@media (max-width: 1200px) {
  .hero-grid {
    gap: 2.5rem;
  }
}

@media (max-width: 960px) {
  :root {
    --container: min(1140px, calc(100% - 1.75rem));
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 2rem) 0 3.5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-terminal {
    order: -1;
    max-width: 100%;
  }

  .terminal-window {
    transform: none;
  }

  .hero-terminal:hover .terminal-window {
    transform: none;
  }

  .section {
    padding: 4.5rem 0;
  }

  .pillar-grid {
    grid-template-columns: 1fr;
  }

  .highlight-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .skills-layout {
    grid-template-columns: 1fr;
  }

  .network-demo {
    min-height: auto;
  }

  .net-servers {
    grid-template-columns: 1fr;
  }

  .net-servers .net-console {
    min-height: 4rem;
    max-height: 4rem;
  }

  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .engagement-types {
    grid-template-columns: 1fr;
  }

  .experience-git-log .timeline-card {
    padding-left: 1.5rem;
  }

  .git-hash {
    position: static;
    display: block;
    margin-bottom: 0.5rem;
  }

  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-header time {
    font-size: 0.78rem;
  }
}

@media (max-width: 768px) {
  :root {
    --container: min(1140px, calc(100% - 1.25rem));
  }

  .hero-title {
    font-size: clamp(2.25rem, 10vw, 3.25rem);
  }

  .hero-tagline {
    font-size: clamp(0.82rem, 3.6vw, 0.95rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

  .terminal-body {
    padding: 1.1rem 1rem 1.25rem;
    font-size: clamp(0.72rem, 3.2vw, 0.85rem);
  }

  .terminal-tmux-tab {
    font-size: 0.6rem;
    min-height: 2.5rem;
  }

  .terminal-hint {
    font-size: 0.55rem;
    padding: 0.45rem 0.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    padding: 1rem;
    background: rgba(6, 8, 12, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s var(--ease-out), opacity 0.35s, visibility 0.35s;
  }

  .site-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-list a {
    display: block;
    padding: 0.85rem 1rem;
  }

  .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .highlight-grid {
    grid-template-columns: 1fr;
  }

  .timeline-card {
    padding: 1.25rem 1.5rem;
  }

  .hero-stats {
    gap: 1.25rem 1.5rem;
  }

  .stat dt {
    font-size: 1.65rem;
  }

  .certs {
    padding: 1.5rem;
  }

  .cost-carousel-viewport {
    min-height: 9rem;
  }

  .cost-carousel-slide {
    padding: 0.5rem 0.75rem;
  }

  .scroll-progress {
    right: 0.75rem;
    bottom: 0.75rem;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: calc(var(--header-h) + 1.5rem) 0 2.5rem;
  }

  .hero-eyebrow {
    font-size: 0.72rem;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .hero-stats .stat:last-child {
    grid-column: 1 / -1;
  }

  .impact-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .contact-panel {
    padding: 1.5rem;
  }

  .contact-link {
    padding: 0.85rem 1rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-hints {
    display: none;
  }
}