/* ---------------------------------------------------------------------------
   Design tokens — "nocturne" dark green palette, carried over from the canvas
   design. The accent ramp and the neutral ramp are the only two colour scales.
--------------------------------------------------------------------------- */
:root {
  --color-bg: #0d1017;
  --color-surface: #141a24;
  --color-text: #e7ebf2;

  --color-accent: #35d6a4;
  --color-accent-100: #eafff8;
  --color-accent-200: #c9f7e9;
  --color-accent-300: #93efd2;
  --color-accent-400: #5ee6bd;
  --color-accent-500: #35d6a4;
  --color-accent-600: #1fae84;
  --color-accent-700: #1a7d61;
  --color-accent-800: #13503f;
  --color-accent-900: #0f3529;

  --color-neutral-100: #f2f4f8;
  --color-neutral-200: #d7dde7;
  --color-neutral-300: #b3bccb;
  --color-neutral-400: #8c96a8;
  --color-neutral-500: #6b7688;
  --color-neutral-600: #515b6b;
  --color-neutral-700: #3b4453;
  --color-neutral-800: #28303c;
  --color-neutral-900: #1a212b;

  --color-divider: color-mix(in srgb, #e7ebf2 12%, transparent);

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-heading: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: var(--font-heading);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  text-wrap: pretty;
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(1100px 640px at 88% -180px, color-mix(in srgb, var(--color-accent-900) 62%, transparent), transparent 60%),
    radial-gradient(1000px 720px at -8% 100%, color-mix(in srgb, black 34%, transparent), transparent 55%),
    var(--color-bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent-300); transition: color 0.2s ease; }
a:hover { color: var(--color-accent); }

h1, h2, h3 { font-family: var(--font-heading); font-weight: 600; }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 4px; }

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

/* --------------------------------------------------------------------------
   Primitives — button, card, rule, section label
--------------------------------------------------------------------------- */
.btn {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.25s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: #06110d;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-400);
  border-color: var(--color-accent-400);
  color: #06110d;
}

.btn-secondary {
  background: color-mix(in srgb, var(--color-surface) 60%, transparent);
  color: var(--color-text);
  border-color: var(--color-neutral-800);
}
.btn-secondary:hover {
  border-color: var(--color-accent-700);
  color: var(--color-accent-200);
}

.card {
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
  border: 1px solid var(--color-neutral-800);
  border-radius: 12px;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.35s var(--ease);
}

.hr {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--color-divider);
}

.label {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.chip {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--color-neutral-200);
  border: 1px solid var(--color-neutral-800);
  background: color-mix(in srgb, var(--color-surface) 55%, transparent);
  padding: 5px 10px;
  border-radius: 6px;
}
.chip-sm { font-size: 12px; padding: 4px 9px; color: var(--color-neutral-300); }

/* --------------------------------------------------------------------------
   Nav
--------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 13px clamp(20px, 5vw, 64px);
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
}
.nav-brand .diamond { color: var(--color-accent); }
.nav-brand .host { color: var(--color-text); }
.nav-brand .at { color: var(--color-neutral-500); }
.nav-brand .prompt { color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 13.5px;
}
.nav-link {
  padding: 6px 11px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-neutral-300);
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-link:hover { background: var(--color-accent-900); color: var(--color-accent-300); }
.nav-link.is-active { color: var(--color-accent-300); background: var(--color-accent-900); }
.nav-links .btn { margin-left: 6px; }

/* --------------------------------------------------------------------------
   Layout
--------------------------------------------------------------------------- */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 64px); }
.wrap-narrow { max-width: 1000px; }

.section { padding: clamp(36px, 5vw, 60px) 0; }

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   Hero
--------------------------------------------------------------------------- */
.hero { padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--color-accent-300);
  border: 1px solid var(--color-accent-800);
  background: var(--color-accent-900);
  padding: 5px 11px;
  border-radius: 100px;
}
.status-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  display: inline-block;
}
.status-pill span:last-child { white-space: nowrap; }

.hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 22px 0 0;
  max-width: 16ch;
}
.hero-role {
  font-family: var(--mono);
  font-size: clamp(15px, 2vw, 20px);
  color: var(--color-accent-300);
  margin: 16px 0 0;
  letter-spacing: -0.01em;
}
.hero-blurb {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 74%, transparent);
  max-width: 56ch;
  margin: 20px 0 0;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

/* --------------------------------------------------------------------------
   About
--------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(20px, 3vw, 44px);
  align-items: start;
}
.about-grid h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 14ch;
}
.about-grid p {
  font-size: 16px;
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-text) 80%, transparent);
  margin: 0 0 14px;
}
.about-grid p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Skills
--------------------------------------------------------------------------- */
.section-title {
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.015em;
  margin: 0 0 30px;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  align-items: start;
}
.skill-card { padding: 20px; }
.skill-card:hover { border-color: var(--color-accent-800); }
.skill-card h3 {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 14px;
}
.skill-items { display: flex; flex-wrap: wrap; gap: 8px; }

/* --------------------------------------------------------------------------
   Education + certifications
--------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(28px, 4vw, 52px);
  padding: clamp(36px, 5vw, 60px) 0;
}

.edu-list { display: flex; flex-direction: column; gap: 26px; }
.edu-item { border-left: 2px solid var(--color-accent-700); padding-left: 20px; }
.edu-item h3 { font-size: 21px; margin: 0 0 4px; }
.edu-meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--color-accent-300);
  margin: 0 0 10px;
}
.edu-detail {
  font-size: 15px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 74%, transparent);
  margin: 0;
}

.cert-list { display: flex; flex-direction: column; gap: 12px; }
.cert {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  padding: 20px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.cert:hover { border-color: var(--color-accent-700); }
.cert .glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(120px 120px at 12% 0%, color-mix(in srgb, var(--color-accent) 14%, transparent), transparent 70%);
  pointer-events: none;
}
.cert .seal {
  position: relative;
  flex: none;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  border: 1px solid var(--color-accent-700);
  box-shadow: inset 0 0 0 6px color-mix(in srgb, var(--color-bg) 60%, transparent);
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-accent-300);
}
.cert .body { position: relative; display: block; flex: 1; min-width: 0; }
.cert .issuer {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-accent-300);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.cert .name {
  display: block;
  color: var(--color-text);
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.3;
}
.cert .verify {
  display: block;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--color-neutral-400);
  margin-top: 6px;
}

/* --------------------------------------------------------------------------
   Projects
--------------------------------------------------------------------------- */
.page-head { padding: clamp(44px, 7vw, 80px) 0 clamp(20px, 3vw, 32px); }
.page-head h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 18ch;
}
.page-head p {
  font-size: 16px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 74%, transparent);
  max-width: 56ch;
  margin: 18px 0 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  align-items: start;
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.project {
  position: relative;
  border-radius: 12px;
  padding: 22px;
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
  border: 1px solid var(--color-neutral-800);
  box-shadow: 0 0 0 0 transparent;
  transition: transform 0.35s var(--ease), border-color 0.3s, background 0.3s, box-shadow 0.35s;
  outline: none;
}
.project.is-open {
  background: color-mix(in srgb, var(--color-surface) 92%, var(--color-accent-900));
  border-color: var(--color-accent-700);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
  transform: translateY(-4px);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
.project-num { font-family: var(--mono); font-size: 12px; color: var(--color-neutral-500); }
.project-cat {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent-800);
  border-radius: 100px;
  padding: 3px 9px;
}
.project h3 { font-size: 20px; letter-spacing: -0.01em; margin: 0 0 8px; color: var(--color-text); }
.project-tagline {
  font-size: 14.5px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
  margin: 0 0 16px;
}
.project-stack { display: flex; flex-wrap: wrap; gap: 7px; }

.project-reveal {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateY(6px);
  transition: max-height 0.4s var(--ease), opacity 0.3s ease, transform 0.4s ease;
}
.project.is-open .project-reveal { max-height: 720px; opacity: 1; transform: translateY(0); }

.project-detail {
  border-top: 1px solid var(--color-neutral-800);
  margin-top: 16px;
  padding-top: 14px;
}
.project-detail ul {
  margin: 0 0 14px;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.project-detail li {
  font-size: 14px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}
.project-detail li::marker { color: var(--color-accent-700); }
.project-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--mono);
  font-size: 13px;
}
.project-links a { text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.project-meta { color: var(--color-neutral-600); }

/* Touch and narrow viewports have no hover — show the detail up front. */
@media (hover: none), (max-width: 640px) {
  .project-reveal { max-height: none; opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   Contact
--------------------------------------------------------------------------- */
.contact-head { padding: clamp(52px, 9vw, 110px) 0 clamp(32px, 4vw, 48px); }
.contact-head h1 {
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 16ch;
}
.contact-head p {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 76%, transparent);
  max-width: 56ch;
  margin: 20px 0 0;
}
.contact-head .btn { margin-top: 30px; font-size: 15px; padding: 11px 20px; }

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  align-items: start;
  padding: 0 0 clamp(36px, 5vw, 56px);
}
.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  text-decoration: none;
}
.link-card:hover { border-color: var(--color-accent-700); transform: translateY(-3px); }
.link-card .glyph {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--color-accent);
  border: 1px solid var(--color-accent-800);
  border-radius: 9px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.link-card .body { display: block; min-width: 0; }
.link-card .label-lg {
  display: block;
  color: var(--color-text);
  font-size: 15.5px;
  font-weight: 500;
}
.link-card .value {
  display: block;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--color-neutral-400);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.resume-block { padding: 0 0 clamp(56px, 8vw, 96px); }

.terminal {
  border: 1px solid var(--color-neutral-800);
  border-radius: 14px;
  overflow: hidden;
  background: color-mix(in srgb, var(--color-surface) 60%, transparent);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-neutral-800);
  background: color-mix(in srgb, var(--color-surface) 55%, black);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--color-neutral-500);
}
.terminal-bar .tl { width: 9px; height: 9px; border-radius: 50%; }
.terminal-bar .tl-red { background: #ff5f57; }
.terminal-bar .tl-amber { background: #febc2e; }
.terminal-bar .tl-green { background: #28c840; }
.terminal-bar .path { margin-left: 6px; }

.terminal-body {
  padding: clamp(22px, 4vw, 34px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.terminal-lines {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-neutral-300);
  min-width: 220px;
}
.terminal-lines .cmd { color: var(--color-accent); }
.terminal-lines .file { color: var(--color-accent-300); }
.terminal-lines .dim { color: var(--color-neutral-500); }
.terminal-body .btn { font-size: 15px; padding: 11px 22px; }

/* --------------------------------------------------------------------------
   Footer
--------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: 36px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--color-neutral-500);
}
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}