/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  /* Fonts */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Surfaces */
  --bg: #0B0D0C;
  --surface: #131615;
  --border: #1E2321;

  /* Text */
  --text-primary: #E8ECEA;
  --text-secondary: #A1A8A4;
  --text-muted: #646B67;

  /* Accent (use sparingly) */
  --accent: #10B981;
  --accent-glow: rgba(16, 185, 129, 0.08);

  /* Layout */
  --container: 1120px;
  --gutter: 1.25rem;
  --radius: 12px;
  --header-height: 4rem;
}

/* ==========================================================================
   Reset and base
   ========================================================================== */

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

* {
  margin: 0;
}

html {
  background: var(--bg);
  color-scheme: dark;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h3 {
  font-weight: 500;
  letter-spacing: -0.01em;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

strong {
  font-weight: 500;
  color: var(--text-primary);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

main:focus {
  outline: none;
}

section[id] {
  scroll-margin-top: var(--header-height);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-primary);
}

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

.mono {
  font-family: var(--font-mono);
}

.section {
  padding-block: 5rem;
}

.section-title {
  max-width: 22ch;
  margin-bottom: 2.5rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.dot {
  position: relative;
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  from {
    transform: scale(1);
    opacity: 0.6;
  }
  to {
    transform: scale(2.6);
    opacity: 0;
  }
}

@media (min-width: 768px) {
  :root {
    --gutter: 2rem;
  }

  .section {
    padding-block: 7rem;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 85%, var(--text-primary));
}

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

.btn-secondary:hover {
  border-color: var(--text-muted);
  background: var(--surface);
}

.btn-sm {
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   Cards and tags
   ========================================================================== */
.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.25s;
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  list-style: none;
}

.tag {
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--accent);
}

/* ==========================================================================
   Header and nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s, border-color 0.25s;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
}

.wordmark span {
  color: var(--text-secondary);
}

.wordmark:hover {
  text-decoration: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 11px;
  border-radius: 8px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: transform 0.25s, opacity 0.25s;
}

.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-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 0.5rem var(--gutter) 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.nav-menu.is-open {
  display: block;
}

.nav-links {
  display: flex;
  flex-direction: column;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 0.75rem 0;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.nav-cv {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.nav-cv:hover {
  color: var(--accent);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu,
  .nav-menu.is-open {
    display: flex;
    position: static;
    flex: 1;
    align-items: center;
    padding: 0;
    border: 0;
    background: none;
  }

  .nav-links {
    flex-direction: row;
    gap: 1.75rem;
    margin-inline: auto;
  }

  .nav-links a {
    padding: 0.5rem 0;
    font-size: 0.9rem;
  }

  .nav-actions {
    margin: 0;
    padding: 0;
    border: 0;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding-block: 3rem 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  gap: 2rem;
}

.footer-tagline {
  margin-block: 0.75rem 1rem;
}

.footer-nav ul,
.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 0;
  list-style: none;
}

.footer-nav a,
.footer-social a {
  color: var(--text-secondary);
}

.footer-nav a:hover,
.footer-social a:hover {
  color: var(--accent);
}

.footer-social a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.85rem;
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
    align-items: start;
  }

  .footer-nav ul,
  .footer-social {
    flex-direction: column;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-block: 3rem 4rem;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 3rem;
}

.hero-label {
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 8vw, 4.25rem);
}

.hero-tagline {
  max-width: 30ch;
  margin-bottom: 1.25rem;
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--text-primary);
}

.hero-text {
  max-width: 55ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1.5rem;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.hero-location {
  font-size: 0.8rem;
}

.social-icons {
  display: flex;
  gap: 0.5rem;
  padding: 0;
  list-style: none;
}

.social-icons a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  transition: color 0.2s, border-color 0.2s;
}

.social-icons a:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent);
}

.social-icons svg {
  width: 20px;
  height: 20px;
}

@media (min-width: 1024px) {
  .hero {
    padding-block: 6rem 7rem;
  }

  .hero-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
  }
}

/* ==========================================================================
   Terminal card
   ========================================================================== */
.terminal {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.terminal-bar {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
}

.terminal-title {
  flex: 1;
  margin-right: 42px;
  font-size: 0.75rem;
  text-align: center;
}

.terminal-body {
  padding: 1.25rem;
  line-height: 1.8;
}

.t-line {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.t-prompt,
.t-cursor {
  color: var(--accent);
}

.t-cmd {
  color: var(--text-primary);
}

.t-cursor {
  animation: blink 1s steps(1) infinite;
}

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

@media (prefers-reduced-motion: no-preference) {
  .js .t-line {
    visibility: hidden;
  }

  .js .t-line.is-typed {
    visibility: visible;
  }
}

/* ==========================================================================
   Worked-at strip
   ========================================================================== */
.strip {
  padding-block: 1.75rem;
  border-block: 1px solid var(--border);
}

.strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 2.5rem;
}

.strip-label {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.strip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
}

/* ==========================================================================
   What I do
   ========================================================================== */
.services-grid {
  display: grid;
  gap: 1rem;
}

.service-card {
  padding: 1.75rem;
}

.service-index {
  display: block;
  margin-bottom: 2rem;
  font-size: 0.75rem;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Work (project cards)
   ========================================================================== */
.projects {
  display: grid;
  gap: 2rem;
}

.project-card {
  display: grid;
}

.project-media {
  padding: 1rem 1rem 0;
}

.project-frame {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
}

.project-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
}

.project-body h3 {
  font-size: 1.5rem;
}

.project-highlights {
  display: grid;
  gap: 0.5rem;
  padding-left: 1.1rem;
  font-size: 0.95rem;
}

.project-highlights li::marker {
  color: var(--text-muted);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.project-link a {
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.project-note {
  margin-top: 0.25rem;
  font-size: 0.75rem;
}

@media (min-width: 1024px) {
  .project-card {
    grid-template-columns: 1.1fr 1fr;
  }

  .project-media {
    align-self: start;
    padding: 1.5rem 0 1.5rem 1.5rem;
  }

  .project-body {
    padding: 1.75rem 2rem;
  }
}

.img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  height: 100%;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: inherit;
  background: var(--bg);
  font-size: 0.85rem;
  text-align: center;
}

.img-placeholder code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  gap: 2.5rem;
}

.about-photo {
  aspect-ratio: 4 / 5;
  max-width: 360px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text p {
  max-width: 60ch;
  margin-bottom: 1.25rem;
}

.quick-bits-title {
  margin-block: 2rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.quick-bits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.quick-bits li + li::before {
  content: "·";
  margin-inline: 0.75rem;
  color: var(--text-muted);
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 360px 1fr;
    align-items: start;
    gap: 4rem;
  }
}

/* ==========================================================================
   Stack
   ========================================================================== */
.stack-grid {
  display: grid;
  gap: 1rem;
}

.stack-card {
  padding: 1.5rem;
}

.stack-title {
  margin-bottom: 1rem;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .stack-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Experience timeline
   ========================================================================== */
.timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
  max-width: 780px;
  padding: 0 0 0 1.75rem;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 5px;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.75rem;
  left: calc(1px - 1.75rem);
  width: 9px;
  height: 9px;
  border: 1px solid var(--text-muted);
  border-radius: 50%;
  background: var(--bg);
}

.timeline-card {
  padding: 1.5rem;
}

.timeline-date {
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
}

.timeline-card h3 {
  font-size: 1.2rem;
}

.timeline-org {
  margin-top: 0.25rem;
  color: var(--text-primary);
}

.timeline-points {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-left: 1.1rem;
  font-size: 0.95rem;
}

.timeline-points li::marker {
  color: var(--text-muted);
}

.certs {
  margin-top: 2.5rem;
}

.certs-title {
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.certs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.certs-list li + li::before {
  content: "·";
  margin-inline: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Recommendations
   ========================================================================== */
.recs-grid {
  display: grid;
  gap: 1rem;
}

.rec-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.75rem;
}

.rec-quote p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.rec-person {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.rec-avatar {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg);
  font-size: 0.8rem;
  color: var(--text-primary);
}

.rec-name {
  font-weight: 500;
  color: var(--text-primary);
}

.rec-role,
.rec-relation {
  font-size: 0.85rem;
}

.rec-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

@media (min-width: 768px) {
  .recs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-card {
  padding: 3rem 1.5rem;
  text-align: center;
}

.contact-title {
  max-width: 20ch;
  margin-inline: auto;
  font-size: clamp(1.75rem, 5vw, 3rem);
}

.contact-text {
  margin-block: 1rem 2rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.75rem;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}

.contact-links a {
  overflow-wrap: anywhere;
}

@media (min-width: 768px) {
  .contact-card {
    padding: 4.5rem 3rem;
  }
}

/* ==========================================================================
   Cursor spotlight
   ========================================================================== */

.spotlight {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(250px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow), transparent 70%);
  transition: opacity 0.4s;
}

.spotlight-on .spotlight.is-active {
  opacity: 1;
}

.spotlight-on .card::before {
  content: "";
  position: absolute;
  inset: -1px;
  padding: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(220px circle at var(--x, -999px) var(--y, -999px), color-mix(in srgb, var(--accent) 50%, transparent), transparent 70%);

  -webkit-mask: linear-gradient(black 0 0) content-box, linear-gradient(black 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(black 0 0) content-box exclude, linear-gradient(black 0 0);
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}