/* ==========================================================================
   zacharylarsen.dev — design tokens
   ========================================================================== */

:root {
  /* color */
  --ink: #0a0e13;
  --panel: #12181f;
  --panel-2: #161e26;
  --line: #232b34;
  --line-soft: #1a212a;
  --text: #edf1f5;
  --muted: #8b97a3;
  --muted-2: #5c6773;
  --amber: #f2a93b;
  --amber-dim: #a87a2c;
  --cyan: #57c4d6;
  --green: #6bbf8a;

  /* type */
  --font-display: 'IBM Plex Sans Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* layout */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 3px;
}

* { box-sizing: border-box; }

html {
  background: var(--ink);
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

::selection {
  background: var(--amber);
  color: var(--ink);
}

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

.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  z-index: 100;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius);
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 12px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* background grid texture, faint */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}

/* ==========================================================================
   Typography helpers
   ========================================================================== */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0.35rem 0 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.25rem;
}

.section-head .count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted-2);
}

section {
  position: relative;
  z-index: 1;
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--line-soft);
}

section:last-of-type { border-bottom: none; }

/* ==========================================================================
   Nav
   ========================================================================== */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 19, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(242, 169, 59, 0.18);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--muted);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible { color: var(--text); }

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after { transform: scaleX(1); }

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--green);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.32rem 0.6rem;
}

.nav-status .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(107, 191, 138, 0.5); }
  50% { box-shadow: 0 0 0 4px rgba(107, 191, 138, 0); }
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: var(--radius);
  width: 38px; height: 38px;
  font-family: var(--font-mono);
  cursor: pointer;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: 6.5rem;
  padding-bottom: 5rem;
  border-bottom: 1px solid var(--line-soft);
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  border-radius: var(--radius);
  padding: 0.4rem 0.75rem;
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: rise 0.6s ease forwards;
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  opacity: 0;
  animation: rise 0.7s ease 0.08s forwards;
}

.hero-role {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  color: var(--muted);
  max-width: 46ch;
  margin: 0 0 2.25rem;
  opacity: 0;
  animation: rise 0.7s ease 0.16s forwards;
}

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

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted-2);
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: rise 0.7s ease 0.24s forwards;
}

.hero-meta span { display: inline-flex; align-items: center; gap: 0.5rem; }
.hero-meta span:not(:last-child)::after {
  content: '·';
  margin-left: 0.9rem;
  color: var(--line);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  opacity: 0;
  animation: rise 0.7s ease 0.32s forwards;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--amber);
  color: var(--ink);
  font-weight: 600;
}
.btn-primary:hover { transform: translateY(-2px); background: #ffbb52; }

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--muted); transform: translateY(-2px); }

/* ==========================================================================
   About
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.2rem;
  max-width: 62ch;
}

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

.board {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.board-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.board-row:last-child { border-bottom: none; }
.board-row .k { color: var(--muted); }
.board-row .v { color: var(--text); text-align: right; }
.board-row .v.on { color: var(--green); }

/* ==========================================================================
   Experience
   ========================================================================== */

.timeline {
  display: flex;
  flex-direction: column;
}

.job {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line-soft);
}

.job:first-child { border-top: none; padding-top: 0; }

.job-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-2);
  letter-spacing: 0.02em;
  padding-top: 0.2rem;
}

.job-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.job-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text);
}

.job-org {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.job-desc {
  color: var(--muted);
  max-width: 60ch;
  margin: 0;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 2px;
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}

.tag.current {
  color: var(--green);
  border-color: rgba(107, 191, 138, 0.35);
  background: rgba(107, 191, 138, 0.08);
}

/* ==========================================================================
   Projects
   ========================================================================== */

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

.project-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.project-card:hover {
  border-color: var(--amber-dim);
  transform: translateY(-3px);
  background: var(--panel-2);
}

.project-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.project-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  margin: 0;
}

.status {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 0.24rem 0.5rem;
  border-radius: 2px;
  white-space: nowrap;
  border: 1px solid;
}

.status-shipped { color: var(--amber); border-color: rgba(242, 169, 59, 0.4); background: rgba(242, 169, 59, 0.08); }
.status-live    { color: var(--green); border-color: rgba(107, 191, 138, 0.4); background: rgba(107, 191, 138, 0.08); }
.status-dev     { color: var(--cyan); border-color: rgba(87, 196, 214, 0.4); background: rgba(87, 196, 214, 0.08); }
.status-concept { color: var(--muted); border-color: var(--line); border-style: dashed; }
.status-complete{ color: var(--muted); border-color: var(--line); }

.project-desc {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
  flex-grow: 1;
}

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

.chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted-2);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  padding: 0.2rem 0.45rem;
}

.project-links {
  display: flex;
  gap: 1rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.project-links a {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.15s ease;
}

.project-links a:hover { color: var(--amber); }

/* ==========================================================================
   Skills
   ========================================================================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.skill-group-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.skill-pill {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
}

/* ==========================================================================
   Honors & Education
   ========================================================================== */

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

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

.honor {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.2rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line-soft);
}

.honor:first-child { border-top: none; padding-top: 0; }

.honor-year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
}

.honor-title {
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.2rem;
}

.honor-org {
  color: var(--muted-2);
  font-size: 0.85rem;
  margin: 0;
}

.edu-card {
  border-top: 1px solid var(--line-soft);
  padding: 1.4rem 0;
}
.edu-card:first-child { border-top: none; padding-top: 0; }

.edu-school {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  margin: 0 0 0.3rem;
}

.edu-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-2);
  margin: 0 0 0.6rem;
}

.edu-detail {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  border-bottom: none;
  padding-bottom: 3.5rem;
}

.contact-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2.5rem;
}

.contact-copy .eyebrow { margin-bottom: 0.75rem; }

.contact-copy h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 1rem;
  max-width: 16ch;
  line-height: 1.05;
}

.contact-copy p {
  color: var(--muted);
  max-width: 46ch;
  margin: 0;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3rem;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.contact-links a:hover { border-color: var(--amber); color: var(--amber); }

footer {
  padding: 2rem 0 3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted-2);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
  .about-grid, .split-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .job { grid-template-columns: 1fr; gap: 0.6rem; }
}

@media (max-width: 700px) {
  .nav-links, .nav-status { display: none; }
  .nav-toggle { display: block; }
  .site-nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.open .nav-links a {
    display: block;
    padding: 1rem var(--gutter);
    border-top: 1px solid var(--line-soft);
  }
  .project-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-inner { align-items: flex-start; }
  section { padding: 3.5rem 0; }
}