/* ── Tokens ── */
:root {
  --bg:            #0F0B14;
  --surface:       #171019;
  --surface2:      #1D1420;
  --cream:         #F1E7DC;
  --muted:         #9C8C96;
  --dim:           #6E606A;
  --copper:        #C9793F;
  --copper-bright: #E3A876;
  --rust:          #A85A3E;
  --line:          rgba(245, 236, 226, 0.10);
  --grid-line:     rgba(245, 236, 226, 0.05);
  --mono:          'IBM Plex Mono', monospace;
  --display:       'Space Grotesk', sans-serif;
  --body:          Inter, sans-serif;
  --nav-h:         60px;
}

/* ── Animations ── */
@keyframes blink {
  0%, 45%  { opacity: 1; }
  50%, 95% { opacity: 0.15; }
  100%     { opacity: 1; }
}

@keyframes cursorBlink {
  0%, 50%   { opacity: 1; }
  51%, 100% { opacity: 0; }
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--body);
  overflow-x: hidden;
  line-height: 1.7;
}

::selection { background: var(--copper); color: var(--bg); }

a { text-decoration: none; }

/* ── Grid background ── */
.grid-bg {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ── Nav ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-h);
  padding: 0 32px;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.site-nav.scrolled {
  background: rgba(15, 11, 20, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--line);
}

.nav-brand {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  color: var(--cream);
  flex-shrink: 0;
}

.nav-cursor {
  color: var(--copper);
  animation: cursorBlink 1s step-end infinite;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.nav-tab {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 20px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s;
}

.nav-tab:hover  { color: var(--cream); }

.nav-tab.active {
  color: var(--cream);
  border-bottom-color: var(--copper);
}

.tab-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--copper);
  flex-shrink: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.status-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--copper);
  animation: blink 2.4s ease-in-out infinite;
}

.nav-icon {
  color: var(--muted);
  font-size: 1.05rem;
  transition: color 0.2s;
}

.nav-icon:hover { color: var(--copper); }

.menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--cream);
  font-size: 1.05rem;
  cursor: pointer;
}

/* ── Mobile menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 99;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  padding: 18px 20px;
  gap: 16px;
}

.mobile-menu.open { display: flex; }

.mobile-link         { font-family: var(--mono); font-size: 0.9rem; color: var(--muted); }
.mobile-link.active  { color: var(--copper); }
.mobile-link:hover   { color: var(--cream); }

/* ── Shared utilities ── */
.comment-label {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--copper);
  margin: 0 0 18px;
}

.section-h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1.2;
  color: var(--cream);
  margin: 0 0 72px;
  max-width: 640px;
}

/* Corner marker (+) */
.cross {
  position: absolute;
  font-family: var(--mono);
  color: var(--dim);
  font-size: 14px;
  line-height: 1;
}
.cross--tl { top: 20px;  left: 24px; }
.cross--tr { top: 20px;  right: 24px; }
.cross--bl { bottom: 24px; left: 24px; }

/* Live / planned dots */
.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--copper);
  flex-shrink: 0;
  animation: blink 2s ease-in-out infinite;
}

.planned-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--dim);
  flex-shrink: 0;
}

/* Status labels */
.spec-status     { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.04em; color: var(--muted); flex: 1; }
.spec-status-dim { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.04em; color: var(--dim); flex: 1; }
.spec-version    { font-family: var(--mono); font-size: 0.68rem; color: var(--dim); }

/* ── Closing (shared) ── */
.closing-section {
  padding: 120px 32px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.closing-comment {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0;
}

.closing-cta {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--copper);
  border: 1px solid var(--copper);
  padding: 0.75em 1.1em;
  border-radius: 2px;
  white-space: nowrap;
  transition: background 0.2s;
}

.closing-cta:hover { background: rgba(201, 121, 63, 0.1); }

/* ── Footer ── */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 32px;
  background: var(--bg);
  border-top: 1px solid var(--line);
}

.footer-brand {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--dim);
}

.status-dot-sm {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--copper);
}

.footer-links { display: flex; gap: 22px; }

.footer-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  transition: color 0.2s;
}

.footer-link:hover { color: var(--copper); }

/* ═══════════════════════════════════════
   HOME — index.html
═══════════════════════════════════════ */

/* Hero */
.hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 120px 32px 72px;
  overflow: hidden;
}

.hero-watermark {
  position: absolute;
  bottom: -90px;
  right: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 22rem;
  line-height: 1;
  color: rgba(201, 121, 63, 0.05);
  transform: rotate(-6deg);
  pointer-events: none;
  user-select: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--copper);
  margin: 0 0 26px;
}

.hero-headline {
  font-family: var(--display);
  font-weight: 700;
  font-size: 4.2rem;
  line-height: 1.08;
  letter-spacing: 0;
  color: var(--cream);
  margin: 0 0 18px;
}

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
  margin: 0;
}

.hero-cta {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--copper);
  border: 1px solid var(--copper);
  padding: 0.75em 1.1em;
  border-radius: 2px;
  display: inline-block;
  white-space: nowrap;
  transition: background 0.2s;
}

.hero-cta:hover { background: rgba(201, 121, 63, 0.1); }

/* Sticky note */
.hero-note {
  position: absolute;
  top: 70px;
  right: 56px;
  width: 220px;
  background: var(--surface2);
  border: 1px solid var(--line);
  padding: 18px 18px 16px;
  transform: rotate(-3deg);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  z-index: 3;
}

.note-tape {
  position: absolute;
  top: -9px; left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 56px; height: 16px;
  background: rgba(245, 236, 226, 0.12);
}

.note-line {
  font-family: var(--mono);
  font-size: 1rem;
  margin: 4px 0 8px;
  color: var(--cream);
}

.note-strike { text-decoration: line-through; color: var(--rust); }
.note-v2     { color: var(--copper-bright); font-weight: 500; }

.note-caption {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--dim);
  margin: 0;
}

/* Build Log */
.log-section {
  padding: 130px 32px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.log-list { max-width: 680px; }

.log-row {
  display: grid;
  grid-template-columns: 20px 110px 1fr;
  grid-template-rows: auto auto;
  column-gap: 28px;
  padding-bottom: 44px;
}

.log-row--last {
  display: grid;
  grid-template-columns: 20px 110px 1fr;
  column-gap: 28px;
}

.log-dot-col {
  grid-column: 1;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.log-dot--outline {
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 2px solid var(--copper);
  background: var(--surface);
  flex-shrink: 0;
}

.log-dot--filled {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--copper);
  flex-shrink: 0;
}

.log-connector {
  width: 1px;
  flex: 1;
  background: var(--line);
  margin-top: 4px;
}

.log-tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--copper);
  grid-column: 2;
  grid-row: 1;
  align-self: start;
}

.log-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--cream);
  margin: 0 0 8px;
  grid-column: 3;
  grid-row: 1;
}

.log-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  max-width: 400px;
  grid-column: 3;
  grid-row: 2;
}

/* On the Bench — spec cards */
.bench-section {
  padding: 72px 32px 120px;
  border-top: 1px solid var(--line);
}

.bench-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 980px;
}

.spec-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 22px;
  color: inherit;
  transition: border-color 0.2s;
}

.spec-card:hover { border-color: rgba(201, 121, 63, 0.45); }

.spec-card--empty {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px dashed var(--line);
  padding: 22px;
  opacity: 0.7;
}

.spec-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.spec-fig {
  aspect-ratio: 16 / 10;
  background: repeating-linear-gradient(
    135deg,
    var(--surface2) 0px, var(--surface2) 14px,
    var(--bg) 14px, var(--bg) 28px
  );
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.spec-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--line);
  margin-bottom: 18px;
}

.spec-fig--empty {
  aspect-ratio: 16 / 10;
  background: var(--bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.spec-icon     { font-size: 1.8rem; color: var(--copper); }
.spec-icon-dim { font-size: 1.8rem; color: var(--dim); }

.fig-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--dim);
}

.spec-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--cream);
  margin: 0 0 8px;
}

.spec-title-dim {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--muted);
  margin: 0 0 8px;
}

.spec-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 18px;
  flex: 1;
}

.spec-link {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--copper);
}

/* ═══════════════════════════════════════
   PROJECTS — projects.html
═══════════════════════════════════════ */

.proj-header {
  position: relative;
  padding: 160px 32px 80px;
  max-width: 760px;
  overflow: hidden;
}

.proj-header-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--copper);
  margin: 0 0 24px;
}

.proj-header h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 3.2rem;
  line-height: 1.15;
  color: var(--cream);
  margin: 0 0 22px;
}

.proj-lead {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
  max-width: 560px;
}

.project-list {
  max-width: 860px;
  padding: 0 32px 96px;
}

.project-item {
  display: block;
  color: inherit;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.project-item:last-child {
  border-bottom: 1px solid var(--line);
}

.project-item:hover .proj-link {
  opacity: 0.75;
}

/* Project rows — alternating layout */
.proj-row,
.proj-row--alt {
  display: grid;
  gap: 56px;
  align-items: center;
  padding: 72px 32px;
  border-top: 1px solid var(--line);
}

.proj-row     { grid-template-columns: 1fr 1.1fr; }
.proj-row--alt { grid-template-columns: 1.1fr 1fr; }

.proj-fig {
  aspect-ratio: 4 / 3;
  background: repeating-linear-gradient(
    135deg,
    var(--surface2) 0px, var(--surface2) 14px,
    var(--bg) 14px, var(--bg) 28px
  );
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.proj-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
}

.proj-fig--empty {
  aspect-ratio: 4 / 3;
  background: var(--surface);
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
}

.proj-fig-icon     { font-size: 2.4rem; color: var(--copper); }
.proj-fig-icon-dim { font-size: 2.4rem; color: var(--dim); }

.proj-fig-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--dim);
}

.proj-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.proj-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.3rem;
  color: var(--cream);
  margin: 0 0 16px;
}

.proj-title-dim {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.3rem;
  color: var(--muted);
  margin: 0 0 16px;
}

.proj-desc {
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 22px;
}

.milestone-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.milestone {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 0.35em 0.7em;
  border-radius: 20px;
}

.milestone--done   { color: var(--copper); border: 1px solid rgba(201, 121, 63, 0.4); }
.milestone--active { color: var(--bg); background: var(--copper); }
.milestone--dim    { color: var(--dim); border: 1px solid var(--line); }

.milestone-arrow { color: var(--dim); font-size: 0.75rem; }

.proj-link {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--copper);
  transition: opacity 0.2s;
}

.proj-link:hover { opacity: 0.75; }

/* ═══════════════════════════════════════
   ABOUT — about.html
═══════════════════════════════════════ */

.about-hero {
  position: relative;
  padding: 160px 32px 100px;
  max-width: 760px;
  overflow: hidden;
}

.about-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--copper);
  margin: 0 0 24px;
}

.about-h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 3.6rem;
  line-height: 1.1;
  color: var(--cream);
  margin: 0 0 26px;
}

.about-lead {
  font-size: 1.03rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
  max-width: 560px;
}

.body-section {
  padding: 0 32px 60px;
  max-width: 960px;
}

.entry-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 46px 0;
  border-top: 1px solid var(--line);
}

.entry-tag {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--dim);
  align-self: start;
}

.body-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 540px;
}

.body-text:last-child { margin-bottom: 0; }

.toolbox-section {
  padding: 100px 32px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.toolbox-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.tool-item { border-top: 1px solid var(--line); padding-top: 20px; }

.tool-icon  { font-size: 1.5rem; color: var(--copper); display: block; margin-bottom: 14px; }

.tool-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--cream);
  margin: 0 0 8px;
}

.tool-body  { font-size: 0.9rem; line-height: 1.65; color: var(--muted); margin: 0; }

/* ═══════════════════════════════════════
   RESPONSIVE — max-width: 860px
═══════════════════════════════════════ */
@media (max-width: 860px) {

  /* Nav */
  .site-nav { padding: 14px 20px; }
  .nav-links, .nav-right { display: none; }
  .menu-btn  { display: flex; }

  /* Hero */
  .hero { min-height: 42vh; padding: 110px 22px 56px; }
  .hero-headline { font-size: 2.7rem; }
  .hero-sub { max-width: 100%; }
  .hero-watermark { font-size: 14rem; bottom: -60px; right: -30px; }

  .hero-note {
    position: static;
    transform: none;
    width: auto;
    margin-top: 32px;
  }

  .cross--tr, .cross--bl { display: none; }

  /* Log */
  .log-section { padding: 90px 22px; }
  .section-h2  { font-size: 1.9rem; margin-bottom: 48px; }

  .log-row,
  .log-row--last {
    grid-template-columns: 20px 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 16px;
  }

  .log-dot-col { grid-column: 1; grid-row: 1 / 4; }
  .log-tag     { grid-column: 2; grid-row: 1; }
  .log-title   { grid-column: 2; grid-row: 2; }
  .log-body    { grid-column: 2; grid-row: 3; }

  /* Bench */
  .bench-section { padding: 56px 22px 90px; }
  .bench-grid    { grid-template-columns: 1fr; }

  /* Projects header */
  .proj-header { padding: 130px 22px 50px; }
  .proj-header h1 { font-size: 2.2rem; }
  .project-list { padding: 0 22px 70px; }

  /* Project rows */
  .proj-row,
  .proj-row--alt {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 44px 22px;
  }

  /* On mobile both rows show fig first */
  .proj-row .proj-fig,
  .proj-row .proj-fig--empty,
  .proj-row .proj-image { order: -1; }
  .proj-row--alt .proj-fig,
  .proj-row--alt .proj-fig--empty,
  .proj-row--alt .proj-image { order: -1; }

  .proj-title, .proj-title-dim { font-size: 1.9rem; }

  /* About */
  .about-hero { padding: 130px 22px 70px; }
  .about-h1   { font-size: 2.4rem; }

  .body-section { padding: 0 22px 40px; }
  .entry-row    { grid-template-columns: 1fr; gap: 10px; padding: 32px 0; }

  .toolbox-section { padding: 70px 22px; }
  .toolbox-grid    { grid-template-columns: 1fr; gap: 32px; }

  /* Closing */
  .closing-section  { padding: 80px 22px; }
  .closing-comment  { font-size: 0.95rem; }

  /* Footer */
  .site-footer { flex-direction: column; padding: 28px 22px; }
}