/* ============================================================
   RedJanvier — Portfolio
   Design: "Red January" — dark editorial, crimson accent
   Fonts: Fraunces (display) · Switzer (body) · IBM Plex Mono (labels)
   ============================================================ */

:root {
  /* Color system (OKLCH, cool slate neutrals, never pure black/white).
     Brand palette from redjanvier.netlify.app: teal #2B464F, olive #515644,
     soft pink #FFA8A8 — carried onto a dark editorial ground. */
  --bg:          oklch(16% 0.008 225);
  --bg-raise:    oklch(20% 0.011 225);
  --bg-sink:     oklch(13% 0.007 225);
  --line:        oklch(30% 0.014 225);
  --line-soft:   oklch(24% 0.011 225);
  --ink:         oklch(93% 0.006 220);
  --ink-muted:   oklch(67% 0.012 215);
  --ink-faint:   oklch(49% 0.014 215);
  /* Teal accent — brand #2B464F, lifted for legibility on the dark ground */
  --accent:         oklch(63% 0.088 210);
  --accent-bright:  oklch(74% 0.10 200);
  --accent-deep:    oklch(40% 0.045 221); /* ≈ brand #2B464F */
  --accent-glow:    oklch(63% 0.088 210 / 0.35);
  /* Secondary brand tones */
  --olive:          oklch(55% 0.045 122); /* ≈ brand #515644 */
  --pink:          oklch(55% 0.045 122); /* ≈ brand #515644 */
  /*--pink:           oklch(81.7% 0.103 20);  ≈ brand #FFA8A8, used sparingly */

  --font-display: "Fraunces", "Georgia", serif;
  --font-body:    "Switzer", "Helvetica Neue", sans-serif;
  --font-mono:    "IBM Plex Mono", "Courier New", monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);       /* expo-ish */
  --ease-quart: cubic-bezier(0.25, 1, 0.5, 1);

  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section-gap: clamp(6rem, 14vh, 11rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Grain overlay for texture — a tiny repeating SVG, essentially free */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 2000;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

::selection { background: var(--accent); color: oklch(97% 0.006 220); }

/* ---------- Type helpers ---------- */
.label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.label--muted { color: var(--ink-faint); }

.display {
  font-family: var(--font-display);
  font-weight: 560;
  font-variation-settings: "SOFT" 30, "WONK" 1, "opsz" 90;
  line-height: 0.98;
  letter-spacing: -0.015em;
}

/* ---------- Layout ---------- */
.wrap { width: min(1200px, 100% - var(--gutter) * 2); margin-inline: auto; }

section { padding-block: calc(var(--section-gap) / 2); position: relative; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.25rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
.section-head .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  line-height: 1.05;
}
.section-head .head-note {
  margin-left: auto;
  color: var(--ink-muted);
  font-size: 0.9rem;
  max-width: 26ch;
  text-align: right;
}
@media (max-width: 640px) { .section-head .head-note { display: none; } }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: oklch(16% 0.008 225 / 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}
.nav-logo em { color: var(--accent-bright); font-style: normal; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  transition: color 0.25s;
  position: relative;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: -5px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-burger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-burger span { width: 22px; height: 1.5px; background: var(--ink); transition: 0.3s var(--ease-out); }

@media (max-width: 760px) {
  .nav-burger { display: flex; z-index: 120; }
  .nav-links {
    position: fixed; inset: 0;
    background: var(--bg-sink);
    flex-direction: column;
    justify-content: center;
    gap: 2.4rem;
    transform: translateY(-100vh);
    transition: transform 0.5s var(--ease-out);
    z-index: 110;
  }
  .nav-links.open { transform: translateY(0); background: oklch(16% 0.008 225); height: 100vh; width: 100vw; }
  .nav-links a { font-size: 1.05rem; }
  .nav.menu-open .nav-burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav.menu-open .nav-burger span:nth-child(2) { opacity: 0; }
  .nav.menu-open .nav-burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: grid;
  align-content: end;
  padding: 0 var(--gutter) clamp(3rem, 8vh, 5.5rem);
  position: relative;
  overflow: clip;
}
#hero-canvas {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero::before {
  /* radial vignette so type stays readable over the 3D field */
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background:
    radial-gradient(120% 90% at 30% 100%, oklch(16% 0.008 225 / 0.92) 0%, transparent 55%),
    linear-gradient(to top, var(--bg) 0%, transparent 40%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 1200px; margin-inline: auto; width: 100%; }

.hero-kicker {
  display: flex; align-items: center; gap: 0.9rem;
  margin-bottom: 1.6rem;
}
.hero-kicker .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-bright);
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  70% { box-shadow: 0 0 0 12px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero h1 {
  font-size: clamp(2.9rem, 9.5vw, 8rem);
  max-width: 12ch;
}
.hero h1 .ital { font-style: italic; font-weight: 420; color: var(--pink); }

.hero-sub {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 2.5rem;
  justify-content: space-between;
}
.hero-sub p { max-width: 46ch; color: var(--ink-muted); font-size: clamp(0.98rem, 1.4vw, 1.1rem); }
.hero-sub p strong { color: var(--ink); font-weight: 560; }

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* staggered load-in */
.hero [data-stagger] {
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 120ms + 150ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }

.scroll-hint {
  position: absolute;
  right: var(--gutter);
  bottom: 2rem;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  writing-mode: vertical-rl;
  display: flex; align-items: center; gap: 0.8rem;
}
.scroll-hint::after {
  content: "";
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: drip 2s var(--ease-quart) infinite;
}
@keyframes drip {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  position: relative;
  overflow: hidden;
  transition: color 0.3s, border-color 0.3s;
  isolation: isolate;
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--accent);
  z-index: -1;
  transform: translateY(101%);
  transition: transform 0.4s var(--ease-out);
  border-radius: inherit;
}
.btn:hover { border-color: var(--accent); }
.btn:hover::before { transform: translateY(0); }
.btn--solid { background: var(--accent); border-color: var(--accent); }
.btn--solid::before { background: var(--accent-bright); }
.btn .arrow { transition: transform 0.3s var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Marquee ---------- */
.marquee {
  border-block: 1px solid var(--line-soft);
  overflow: hidden;
  padding-block: 1rem;
  display: flex;
  user-select: none;
  transform: rotate(-1.2deg) scale(1.02);
  background: var(--bg-sink);
}
.marquee-track {
  display: flex;
  gap: 3rem;
  flex-shrink: 0;
  align-items: center;
  padding-right: 3rem;
  animation: marquee 36s linear infinite;
  will-change: transform;
}
@keyframes marquee { to { transform: translateX(-100%); } }
.marquee span {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.7rem);
  font-weight: 480;
  white-space: nowrap;
  color: var(--ink-muted);
}
.marquee span:nth-child(even) { color: var(--olive); font-style: italic; }
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }

.about-lede {
  font-family: var(--font-display);
  font-weight: 460;
  font-size: clamp(1.45rem, 2.8vw, 2.1rem);
  line-height: 1.32;
}
.about-lede em { color: var(--accent-bright); font-style: italic; }
.about-body { margin-top: 1.6rem; color: var(--ink-muted); max-width: 58ch; }
.about-body + .about-body { margin-top: 1rem; }

.about-aside { display: flex; flex-direction: column; gap: 1.8rem; }

.portrait {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-sink);
  isolation: isolate;
}
.portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 20%;
  filter: saturate(0.92) contrast(1.02);
  transition: transform 0.7s var(--ease-out), filter 0.5s;
}
.portrait::after {
  /* brand teal wash + bottom gradient so the caption sits legibly */
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background:
    linear-gradient(to top, oklch(0% 0 0 / 0.55) 0%, transparent 42%),
    radial-gradient(120% 90% at 100% 0%, var(--accent-deep) 0%, transparent 55%);
  mix-blend-mode: multiply;
  opacity: 0.5;
  pointer-events: none;
}
.portrait:hover img { transform: scale(1.035); filter: saturate(1) contrast(1.03); }
.portrait figcaption {
  position: absolute;
  padding: 1rem 0.9rem;
  padding-bottom: 0.9rem;
  z-index: 2;
  font-size: 0.82rem;
  color: var(--ink);
  background: linear-gradient(to top, black, transparent);
  width: 100%;
  height: 80px;
  bottom: 0;
}
.portrait figcaption .label { display: block; color: var(--accent-bright); margin-bottom: 0.15rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-soft);
}
.stat {
  padding: 1.6rem 1.4rem;
  border-bottom: 1px solid var(--line-soft);
}
.stat:nth-child(odd) { border-right: 1px solid var(--line-soft); }
.stat b {
  display: block;
  font-family: var(--font-display);
  font-weight: 540;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1;
  color: var(--ink);
}
.stat b sup { font-size: 0.45em; color: var(--pink); }
.stat span { font-size: 0.85rem; color: var(--ink-faint); }

/* ---------- Skills ---------- */
.skills-rows { border-top: 1px solid var(--line-soft); }
.skill-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.32fr) 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
@media (max-width: 640px) { .skill-row { grid-template-columns: 1fr; gap: 0.5rem; } }
.skill-row h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.skill-row p { color: var(--ink-muted); font-size: 0.98rem; }
.skill-row p b { color: var(--ink); font-weight: 540; }

/* ---------- Experience ---------- */
.xp-list { border-top: 1px solid var(--line-soft); }
.xp {
  display: grid;
  grid-template-columns: 0.28fr 1fr 0.3fr;
  gap: 1.6rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.3s, padding-left 0.4s var(--ease-out);
}
.xp:hover { background: var(--bg-raise); padding-left: 1rem; }
@media (max-width: 780px) { .xp { grid-template-columns: 1fr; gap: 0.6rem; } .xp:hover { padding-left: 0; } }
.xp .when { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-faint); padding-top: 0.35rem; }
.xp h3 { font-family: var(--font-display); font-weight: 520; font-size: 1.35rem; line-height: 1.2; }
.xp h3 span { color: var(--accent-bright); }
.xp .role { color: var(--ink-muted); font-size: 0.92rem; margin-top: 0.2rem; }
.xp .win { color: var(--ink-muted); font-size: 0.88rem; padding-top: 0.35rem; }
.xp .win b { color: var(--ink); font-weight: 560; }

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.2rem, 2.5vw, 2rem);
}
.proj-card {
  grid-column: span 6;
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  overflow: clip;
  background: var(--bg-raise);
  transition: transform 0.5s var(--ease-out), border-color 0.4s;
  display: flex;
  flex-direction: column;
}
.proj-card:nth-child(4n+1), .proj-card:nth-child(4n) { grid-column: span 7; }
.proj-card:nth-child(4n+2), .proj-card:nth-child(4n+3) { grid-column: span 5; }
@media (max-width: 820px) { .proj-card, .proj-card:nth-child(n) { grid-column: 1 / -1; } }
.proj-card:hover { transform: translateY(-6px); border-color: var(--accent-deep); }

.proj-visual {
  aspect-ratio: 16 / 9.4;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(130% 130% at 85% 0%, var(--proj-tint, var(--accent-deep)) 0%, transparent 55%),
    var(--bg-sink);
  border-bottom: 1px solid var(--line-soft);
}
/* Real screenshot fills the visual; abstract chrome is the fallback */
.proj-visual.has-shot { background: var(--bg-sink); }
.proj-shot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.7s var(--ease-out), opacity 0.5s;
}
.proj-card:hover .proj-shot { transform: scale(1.045); }
.proj-visual.has-shot::after {
  /* subtle brand wash + top fade so the card title area stays cohesive */
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, oklch(0% 0 0 / 0.18) 0%, transparent 22%),
    radial-gradient(140% 120% at 85% 0%, var(--proj-tint, var(--accent-deep)) 0%, transparent 45%);
  mix-blend-mode: multiply;
  opacity: 0.35;
  pointer-events: none;
}

.proj-visual .chrome {
  position: absolute;
  inset: 14% 8% -4% 8%;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 10px 10px 0 0;
  box-shadow: 0 24px 60px oklch(0% 0 0 / 0.45);
  transition: transform 0.6s var(--ease-out);
  padding: 2rem 1.4rem 0;
  overflow: hidden;
}
.proj-card:hover .chrome { transform: translateY(-8px) rotate(-0.5deg); }
.proj-visual .chrome::before {
  content: "";
  position: absolute; top: 0.65rem; left: 1rem;
  width: 34px; height: 7px;
  background:
    radial-gradient(circle 3.5px at 3.5px 3.5px, var(--accent) 3.4px, transparent 3.6px),
    radial-gradient(circle 3.5px at 17px 3.5px, var(--ink-faint) 3.4px, transparent 3.6px),
    radial-gradient(circle 3.5px at 30.5px 3.5px, var(--line) 3.4px, transparent 3.6px);
}
.proj-visual .glyph {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: italic;
  font-size: clamp(3.4rem, 8vw, 5.8rem);
  line-height: 1;
  color: var(--proj-tint, var(--accent-bright));
  opacity: 0.9;
}
.proj-visual .wire {
  position: absolute; right: -8%; bottom: -22%;
  width: 55%; aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0.5;
}
.proj-visual .wire::before {
  content: ""; position: absolute; inset: 18%;
  border: 1px solid var(--proj-tint, var(--accent-deep));
  border-radius: 50%;
}

.proj-meta { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
.proj-meta .top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.proj-meta h3 { font-family: var(--font-display); font-weight: 540; font-size: 1.35rem; }
.proj-meta .year { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); }
.proj-meta p { color: var(--ink-muted); font-size: 0.92rem; flex: 1; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.4rem; }
.proj-tags span {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--ink-muted);
}
.proj-card > a.cover { position: absolute; inset: 0; z-index: 2; }
.proj-card .quicklinks { position: relative; z-index: 3; display: flex; gap: 1rem; margin-top: 0.5rem; }
.quicklinks a {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent-bright);
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: border-color 0.25s;
}
.quicklinks a:hover { border-color: var(--accent-bright); }

.projects-cta { margin-top: 3rem; text-align: center; }

/* ---------- Blog list ---------- */
.post-list { border-top: 1px solid var(--line-soft); }
.post-item {
  display: grid;
  grid-template-columns: 0.24fr 1fr auto;
  gap: 1.6rem;
  align-items: baseline;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.3s, padding-left 0.4s var(--ease-out);
}
.post-item:hover { background: var(--bg-raise); padding-left: 1rem; }
@media (max-width: 700px) { .post-item { grid-template-columns: 1fr; gap: 0.4rem; } .post-item:hover { padding-left: 0; } }
.post-item .date { font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-faint); }
.post-item h3 { font-family: var(--font-display); font-weight: 520; font-size: 1.3rem; }
.post-item .excerpt { color: var(--ink-muted); font-size: 0.92rem; margin-top: 0.3rem; max-width: 62ch; }
.post-item .go { font-size: 1.4rem; color: var(--accent-bright); transition: transform 0.3s var(--ease-out); }
.post-item:hover .go { transform: translateX(6px); }

/* ---------- Contact ---------- */
.contact {
  text-align: left;
  padding-bottom: clamp(4rem, 10vh, 7rem);
}
.contact .display {
  font-size: clamp(2.6rem, 8vw, 6.4rem);
  max-width: 14ch;
}
.contact .display a {
  color: var(--accent-bright);
  font-style: italic;
  position: relative;
  white-space: nowrap;
}
.contact .display a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0.05em;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}
.contact .display a:hover::after { transform: scaleX(1); }
.contact-row {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 2.6rem;
}
.contact-row a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  transition: color 0.25s;
}
.contact-row a:hover { color: var(--accent-bright); }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line-soft);
  padding: 1.6rem var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}
footer a { color: var(--ink-muted); }
footer a:hover { color: var(--accent-bright); }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero [data-stagger] { animation: none; opacity: 1; transform: none; }
}

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 100%;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 200;
}

/* ---------- Article / markdown pages ---------- */
.page-top { padding-top: clamp(8rem, 16vh, 11rem); }

.article-hero { margin-bottom: 3rem; }
.article-hero .crumbs { margin-bottom: 1.4rem; display: flex; gap: 0.6rem; align-items: center; }
.article-hero .crumbs a { color: var(--ink-faint); font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; }
.article-hero .crumbs a:hover { color: var(--accent-bright); }
.article-hero h1 {
  font-family: var(--font-display);
  font-weight: 540;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.03;
  max-width: 18ch;
}
.article-hero .tagline { margin-top: 1rem; color: var(--ink-muted); font-size: 1.1rem; max-width: 58ch; }

.facts {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-block: 1px solid var(--line-soft);
}
.facts div { padding: 1rem 1.2rem 1rem 0; }
.facts dt { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.3rem; }
.facts dd { font-size: 0.92rem; color: var(--ink); }
.facts dd a { color: var(--accent-bright); border-bottom: 1px solid var(--accent-deep); }

.case-shot {
  margin-top: 2.6rem;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-sink);
}
.case-shot img {
  width: 100%;
  display: block;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--line-soft);
}
.case-shot figcaption {
  padding: 0.85rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.md-body { max-width: 72ch; margin-top: 3rem; }
.md-body > * + * { margin-top: 1.2em; }
.md-body h2 {
  font-family: var(--font-display);
  font-weight: 540;
  font-size: 1.7rem;
  margin-top: 2.2em;
  padding-top: 1.2em;
  border-top: 1px solid var(--line-soft);
}
.md-body h3 { font-family: var(--font-display); font-weight: 520; font-size: 1.25rem; margin-top: 1.8em; }
.md-body p, .md-body li { color: var(--ink-muted); }
.md-body strong { color: var(--ink); font-weight: 560; }
.md-body a { color: var(--accent-bright); border-bottom: 1px solid var(--accent-deep); transition: border-color 0.2s; }
.md-body a:hover { border-color: var(--accent-bright); }
.md-body ul, .md-body ol { padding-left: 1.3em; }
.md-body li + li { margin-top: 0.45em; }
.md-body blockquote {
  border-left: 2px solid var(--accent);
  padding: 0.2em 0 0.2em 1.2em;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink);
}
.md-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--bg-raise);
  border: 1px solid var(--line-soft);
  padding: 0.12em 0.4em;
  border-radius: 5px;
  color: var(--accent-bright);
}
.md-body pre {
  background: var(--bg-sink);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  overflow-x: auto;
}
.md-body pre code { background: none; border: none; padding: 0; color: var(--ink); font-size: 0.84rem; line-height: 1.6; }
.md-body hr { border: none; border-top: 1px solid var(--line-soft); }
.md-body img { border-radius: 10px; border: 1px solid var(--line-soft); }

.article-nav {
  margin-top: 4.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.loading, .error-note {
  padding: 6rem 0;
  text-align: center;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* ---------- Custom cursor (fine pointers only) ---------- */
@media (pointer: fine) {
  .cursor-dot {
    position: fixed; top: 0; left: 0;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent-bright);
    pointer-events: none;
    z-index: 3000;
    transform: translate(-50%, -50%);
    transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out), opacity 0.3s;
    mix-blend-mode: difference;
    opacity: 0;
  }
  body:hover .cursor-dot { opacity: 1; }
  .cursor-dot.big { width: 46px; height: 46px; }
}
@media (pointer: coarse), (prefers-reduced-motion: reduce) {
  .cursor-dot { display: none; }
}