/* ============================================================
   MUHAMMAD SIZAR — PERSONAL PORTFOLIO
   Aesthetic: "Field Instrument"
   Ink + bone + a single amber signal. Hairline grids,
   editorial serif display, monospace instrumentation.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  /* surface */
  --ink:        #0B0C0E;
  --ink-1:      #101216;
  --ink-2:      #171A1F;
  --ink-3:      #1E2228;

  /* type */
  /* Text tiers are tuned so every one clears WCAG AA (4.5:1) on --ink:
     70% = 8.2:1, 58% = 5.9:1, 50% = 4.6:1. Anything dimmer is decoration
     only (--bone-decor) and never carries meaning on its own. */
  --bone:       #EFEAE1;
  --bone-70:    rgba(239, 234, 225, 0.70);
  --bone-50:    rgba(239, 234, 225, 0.58);
  --bone-35:    rgba(239, 234, 225, 0.50);
  --bone-decor: rgba(239, 234, 225, 0.30);
  --bone-18:    rgba(239, 234, 225, 0.18);

  /* signal */
  --amber:      #F0A63C;
  --amber-soft: rgba(240, 166, 60, 0.14);
  --rust:       #C0512F;
  --moss:       #7E9B6A;

  /* structure */
  --line:       rgba(239, 234, 225, 0.11);
  --line-hard:  rgba(239, 234, 225, 0.22);

  /* type families */
  --display: "Instrument Serif", "Times New Roman", serif;
  --sans:    "Archivo", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* metrics */
  --gutter:  clamp(1.25rem, 4vw, 4.5rem);
  --maxw:    1440px;
  --rule:    1px;

  /* motion */
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in:   cubic-bezier(0.65, 0, 0.35, 1);
  --dur:       0.6s;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip; /* safety net: clip never creates a scroll container */
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

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

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

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

/* ---------- 3. ATMOSPHERE ---------- */

/* Film grain — sits above everything, ignores pointer */
.grain {
  position: fixed;
  inset: -150%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grainshift 6s steps(6) infinite;
  will-change: transform;
  mix-blend-mode: overlay;
}
@keyframes grainshift {
  0%   { transform: translate(0, 0); }
  16%  { transform: translate(-2%, -3%); }
  33%  { transform: translate(3%, -1%); }
  50%  { transform: translate(-1%, 4%); }
  66%  { transform: translate(2%, 2%); }
  83%  { transform: translate(-3%, 1%); }
  100% { transform: translate(0, 0); }
}

/* Vertical column rules — the "drafting sheet" underlay */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.sheet span { border-left: var(--rule) solid var(--line); }
.sheet span:last-child { border-right: var(--rule) solid var(--line); }
@media (min-width: 900px) { .sheet { grid-template-columns: repeat(6, 1fr); } }

/* Ambient amber bloom behind the hero */
.bloom {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  width: 78vw;
  height: 78vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,166,60,0.13) 0%, rgba(240,166,60,0.04) 42%, transparent 68%);
  filter: blur(28px);
}

/* ---------- 4. LAYOUT PRIMITIVES ---------- */
.wrap {
  position: relative;
  z-index: 1;
  width: 100%; /* auto margins inside a flex column would otherwise shrink this to fit-content */
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--amber);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

section { position: relative; }

.rule { border: 0; border-top: var(--rule) solid var(--line); margin: 0; }

/* ---------- 5. TYPE SYSTEM ---------- */
.mono {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-50);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-50);
}
.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: var(--rule);
  background: var(--amber);
  flex: none;
}

.display {
  font-family: var(--display);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.h-xl  { font-size: clamp(3.25rem, 11.5vw, 10.5rem); }
.h-lg  { font-size: clamp(2.5rem, 6.5vw, 5.25rem); }
.h-md  { font-size: clamp(2rem, 4.2vw, 3.5rem); }
.h-sm  { font-size: clamp(1.5rem, 2.6vw, 2.125rem); }

.italic { font-style: italic; }
.amber  { color: var(--amber); }
.dim    { color: var(--bone-50); }

.lede {
  font-size: clamp(1.0625rem, 1.5vw, 1.3125rem);
  line-height: 1.5;
  color: var(--bone-70);
  max-width: 46ch;
  text-wrap: pretty;
}

p.body { color: var(--bone-70); max-width: 62ch; text-wrap: pretty; }
p.body + p.body { margin-top: 1.15em; }
p.body strong { color: var(--bone); font-weight: 600; }

/* Section heading block */
.sec-head {
  display: grid;
  gap: 1.5rem;
  padding-block: clamp(4rem, 9vw, 8rem) clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .sec-head { grid-template-columns: 22% 1fr; align-items: start; gap: 3rem; }
}

/* ---------- 6. NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  border-bottom: var(--rule) solid var(--line);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 62px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand b { font-weight: 700; letter-spacing: 0.1em; }
.brand .slash { color: var(--amber); }
.brand .role { color: var(--bone-35); display: none; }
@media (min-width: 620px) { .brand .role { display: inline; } }

.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.nav-links a {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-50);
  position: relative;
  padding-block: 0.35rem;
  transition: color 0.3s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: var(--rule);
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-links .hide-sm { display: none; }
@media (min-width: 760px) { .nav-links .hide-sm { display: inline-block; } }

.nav-cta {
  border: var(--rule) solid var(--line-hard);
  padding: 0.5rem 0.9rem !important;
  color: var(--bone) !important;
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--amber); color: var(--ink) !important; border-color: var(--amber); }

/* Small screens: the whole bar has to fit on one line without scrolling. */
@media (max-width: 560px) {
  .nav-inner { height: 56px; gap: 0.5rem; }
  .brand { font-size: 0.625rem; letter-spacing: 0.07em; gap: 0.4rem; }
  .nav-links { gap: 0.8rem; }
  .nav-links a { font-size: 0.625rem; letter-spacing: 0.05em; }
  .nav-cta { padding: 0.45rem 0.65rem !important; }
}
@media (max-width: 400px) {
  .brand { font-size: 0.5625rem; }
  .nav-links { gap: 0.65rem; }
}

/* ---------- 7. HERO ---------- */
.hero {
  position: relative;
  min-height: clamp(620px, 92svh, 1000px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(2rem, 4vw, 3rem);
  overflow: hidden;
}
.hero .bloom { top: -22%; right: -18%; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  align-items: center;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-70);
}
.status .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 0 rgba(126,155,106,0.6);
  animation: pulse 2.6s var(--ease) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(126,155,106,0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(126,155,106,0); }
  100% { box-shadow: 0 0 0 0 rgba(126,155,106,0); }
}

.hero h1 { margin: 0; font-size: clamp(2.75rem, 8.4vw, 7.75rem); }
/* The mask that produces the rise-in must not eat serif descenders. */
.hero h1 .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.1em;
  margin-bottom: -0.1em;
}
.hero h1 .line > span {
  display: block;
  transform: translateY(105%);
  animation: riseIn 1.05s var(--ease) forwards;
}
.hero h1 .line:nth-child(1) > span { animation-delay: 0.05s; }
.hero h1 .line:nth-child(2) > span { animation-delay: 0.15s; }
.hero h1 .line:nth-child(3) > span { animation-delay: 0.25s; }
@keyframes riseIn { to { transform: translateY(0); } }

/* Right-hand dossier — balances the display type. Only where there is room. */
.hero-dossier { display: none; }
@media (min-width: 1180px) {
  .hero-dossier {
    display: grid;
    gap: 1.35rem;
    position: absolute;
    top: 52%;
    right: var(--gutter);
    width: 15.5rem;
    padding-left: 1.5rem;
    border-left: var(--rule) solid var(--line-hard);
    opacity: 0;
    animation: fadeUp 1s var(--ease) 0.7s forwards;
  }
  .hero-dossier dt {
    font-family: var(--mono);
    font-size: 0.625rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--bone-35);
  }
  .hero-dossier dd {
    margin: 0.35rem 0 0;
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--bone-70);
  }
}

.hero-foot {
  display: grid;
  gap: 2rem;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  align-items: end;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.55s forwards;
}
@media (min-width: 900px) {
  .hero-foot { grid-template-columns: 1fr auto; gap: 4rem; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* ---------- 8. BUTTONS ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--bone);
  --btn-bd: var(--line-hard);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1.4rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: var(--rule) solid var(--btn-bd);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--amber);
  transform: translateY(101%);
  transition: transform 0.5s var(--ease);
}
.btn:hover { color: var(--ink); border-color: var(--amber); }
.btn:hover::before { transform: translateY(0); }
.btn .arrow { transition: transform 0.4s var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }

.btn-solid {
  --btn-bg: var(--amber);
  --btn-fg: var(--ink);
  --btn-bd: var(--amber);
  font-weight: 600;
}
.btn-solid::before { background: var(--bone); }
.btn-solid:hover { color: var(--ink); border-color: var(--bone); }

/* ---------- 9. MARQUEE ---------- */
.marquee {
  border-block: var(--rule) solid var(--line);
  padding-block: 1rem;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  z-index: 1;
  background: var(--ink);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
  animation: slide 46s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-50);
}
.marquee-track i { color: var(--amber); font-style: normal; }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- 10. METRICS ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: var(--rule) solid var(--line);
}
@media (min-width: 900px) { .metrics { grid-template-columns: repeat(4, 1fr); } }

.metric {
  padding: clamp(1.75rem, 3.5vw, 3rem) clamp(1rem, 2vw, 1.75rem);
  border-bottom: var(--rule) solid var(--line);
  border-right: var(--rule) solid var(--line);
  position: relative;
  overflow: hidden;
}
.metric:nth-child(2n) { border-right: 0; }
@media (min-width: 900px) {
  .metric:nth-child(2n) { border-right: var(--rule) solid var(--line); }
  .metric:last-child { border-right: 0; }
}
.metric::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.7s var(--ease);
}
.metric:hover::after { transform: scaleX(1); }

.metric .val {
  font-family: var(--display);
  font-size: clamp(2.5rem, 5.2vw, 4.25rem);
  line-height: 1;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.06em;
}
.metric .val .unit { font-size: 0.44em; color: var(--amber); }
.metric .lbl {
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-50);
  line-height: 1.5;
}
.metric .src {
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--bone-35);
}

/* ---------- 11. WORK INDEX ---------- */
.work-list { border-top: var(--rule) solid var(--line); }

.work-item {
  display: block;
  position: relative;
  border-bottom: var(--rule) solid var(--line);
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
  overflow: hidden;
  transition: padding 0.5s var(--ease);
}
.work-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--amber-soft), transparent 65%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.work-item:hover::before { opacity: 1; }
@media (min-width: 900px) {
  .work-item:hover { padding-inline: 1.25rem; }
}

.work-row {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem 1.5rem;
  align-items: baseline;
}
@media (min-width: 900px) {
  .work-row {
    grid-template-columns: 6.75rem minmax(0, 1.1fr) minmax(0, 1fr) auto;
    gap: 2.25rem;
    align-items: center;
  }
}

.work-idx {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--bone-35);
  transition: color 0.4s var(--ease);
}
.work-item:hover .work-idx { color: var(--amber); }

.work-title {
  font-family: var(--display);
  font-size: clamp(1.65rem, 3.6vw, 2.9rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  transition: transform 0.5s var(--ease);
}
@media (min-width: 900px) {
  .work-item:hover .work-title { transform: translateX(6px); }
}

.work-desc {
  grid-column: 1 / -1;
  color: var(--bone-50);
  font-size: 0.9375rem;
  line-height: 1.55;
  max-width: 52ch;
}
@media (min-width: 900px) { .work-desc { grid-column: auto; } }

.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}
.tag {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-50);
  border: var(--rule) solid var(--line-hard);
  padding: 0.25rem 0.55rem;
  border-radius: 100px;
  white-space: nowrap;
}
.tag.live { color: var(--moss); border-color: rgba(126,155,106,0.4); }

.work-go {
  display: none;
  width: 2.75rem; height: 2.75rem;
  border: var(--rule) solid var(--line-hard);
  border-radius: 50%;
  place-items: center;
  flex: none;
  transition: background 0.45s var(--ease), border-color 0.45s var(--ease), color 0.45s var(--ease), transform 0.45s var(--ease);
}
@media (min-width: 900px) { .work-go { display: grid; } }
.work-item:hover .work-go {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  transform: rotate(45deg);
}

/* ---------- 12. CAPABILITY CARDS ---------- */
.cols {
  display: grid;
  gap: var(--rule);
  background: var(--line);
  border-block: var(--rule) solid var(--line);
}
@media (min-width: 820px) { .cols.c3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 820px) { .cols.c2 { grid-template-columns: repeat(2, 1fr); } }

.col {
  background: var(--ink);
  padding: clamp(1.75rem, 3vw, 2.75rem) clamp(1.25rem, 2.4vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  transition: background 0.5s var(--ease);
}
.col:hover { background: var(--ink-1); }
.col h3 {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.3vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.col .num {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}
.col ul { display: grid; gap: 0.55rem; margin-top: 0.25rem; }
/* Markers are absolutely positioned, never grid columns — a grid <li> would
   split any inline child (<strong>, <a>) into its own grid item. */
.col li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.875rem;
  color: var(--bone-70);
  line-height: 1.5;
}
.col li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--bone-decor);
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.75;
}

/* ---------- 13. TIMELINE ---------- */
.tl { border-top: var(--rule) solid var(--line); }
.tl-item {
  position: relative;
  display: grid;
  gap: 0.75rem 2rem;
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-bottom: var(--rule) solid var(--line);
  transition: background 0.5s var(--ease);
}
@media (min-width: 900px) {
  .tl-item { grid-template-columns: 12rem 1fr 1fr; align-items: start; }
}
.tl-item:hover { background: var(--ink-1); }
.tl-when {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--bone-35);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.tl-when .pip {
  width: 5px; height: 5px;
  background: var(--bone-decor);
  border-radius: 50%;
  flex: none;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}
.tl-item:hover .tl-when .pip { background: var(--amber); transform: scale(1.6); }
.tl-item.current .tl-when .pip { background: var(--moss); }
.tl-role { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; }
.tl-org {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-top: 0.35rem;
}
.tl-note { color: var(--bone-50); font-size: 0.9375rem; line-height: 1.55; max-width: 48ch; }

/* ---------- 14. TOOLBOX ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--bone-70);
  border: var(--rule) solid var(--line);
  padding: 0.5rem 0.8rem;
  transition: border-color 0.35s var(--ease), color 0.35s var(--ease), background 0.35s var(--ease), transform 0.35s var(--ease);
}
.chip:hover {
  border-color: var(--amber);
  color: var(--bone);
  background: var(--amber-soft);
  transform: translateY(-2px);
}

.stack-group { display: grid; gap: 1rem; padding-block: 1.75rem; border-bottom: var(--rule) solid var(--line); }
@media (min-width: 900px) { .stack-group { grid-template-columns: 14rem 1fr; gap: 2.5rem; align-items: start; } }

/* ---------- 15. WRITING ---------- */
.posts { display: grid; gap: var(--rule); background: var(--line); border-block: var(--rule) solid var(--line); }
@media (min-width: 760px) { .posts { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1120px) { .posts { grid-template-columns: repeat(3, 1fr); } }
.post {
  background: var(--ink);
  padding: clamp(1.5rem, 2.6vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 15rem;
  transition: background 0.5s var(--ease);
}
.post:hover { background: var(--ink-1); }
.post h3 {
  font-family: var(--display);
  font-size: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.post .meta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.post .go { color: var(--bone-35); transition: color 0.4s var(--ease), transform 0.4s var(--ease); }
.post:hover .go { color: var(--amber); transform: translate(3px, -3px); }

/* ---------- 16. CONTACT ---------- */
.contact { position: relative; overflow: hidden; padding-block: clamp(4.5rem, 11vw, 10rem); }
.contact .bloom { bottom: -40%; left: -14%; }

.mailto {
  display: inline-block;
  font-family: var(--display);
  font-size: clamp(1.75rem, 6.5vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  position: relative;
  word-break: break-word;
}
.mailto::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0.06em;
  width: 100%; height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s var(--ease);
}
.mailto:hover::after { transform: scaleX(1); transform-origin: left; }
.mailto:hover { color: var(--amber); }

.contact-grid { display: grid; gap: 2.5rem; margin-top: clamp(2.5rem, 5vw, 4rem); }
@media (min-width: 760px) { .contact-grid { grid-template-columns: repeat(3, 1fr); } }
.contact-cell { display: grid; gap: 0.5rem; align-content: start; }
.contact-cell a:hover { color: var(--amber); }

/* ---------- 17. FOOTER ---------- */
.foot {
  border-top: var(--rule) solid var(--line);
  padding-block: 2rem 2.5rem;
  display: grid;
  gap: 1rem;
}
@media (min-width: 760px) {
  .foot { grid-template-columns: 1fr auto; align-items: center; }
}
.foot .colophon { font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.1em; color: var(--bone-35); text-transform: uppercase; }

/* ---------- 18. ARTICLE / CASE STUDY ---------- */
.case-hero {
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(2.5rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}
.case-hero .bloom { top: -40%; right: -25%; }

.crumbs {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-35);
  margin-bottom: 2rem;
}
.crumbs a:hover { color: var(--amber); }

.spec {
  display: grid;
  gap: var(--rule);
  background: var(--line);
  border-block: var(--rule) solid var(--line);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
@media (min-width: 700px)  { .spec { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .spec { grid-template-columns: repeat(4, 1fr); } }
.spec div { background: var(--ink); padding: 1.5rem 1.25rem; }
.spec dt { font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bone-35); }
.spec dd { margin: 0.6rem 0 0; font-size: 0.9375rem; color: var(--bone); line-height: 1.45; }

.prose { padding-block: clamp(2.5rem, 6vw, 5rem); }
.prose-grid { display: grid; gap: 2.5rem; }
@media (min-width: 980px) { .prose-grid { grid-template-columns: 15rem 1fr; gap: 4rem; align-items: start; } }

.prose h2 {
  font-family: var(--display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-top: 3rem;
  margin-bottom: 1.1rem;
  text-wrap: balance;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}
.prose p { color: var(--bone-70); max-width: 68ch; margin-bottom: 1.1em; text-wrap: pretty; }
.prose strong { color: var(--bone); font-weight: 600; }
.prose a:not(.btn) { color: var(--amber); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.prose ul { display: grid; gap: 0.7rem; margin: 1.25rem 0 1.75rem; max-width: 66ch; }
.prose ul li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--bone-70);
  line-height: 1.55;
}
.prose ul li::before {
  content: "▸";
  position: absolute;
  left: 0.15rem;
  top: 0;
  color: var(--amber);
  font-size: 0.75rem;
  line-height: 1.85;
}

.pull {
  border-left: 2px solid var(--amber);
  padding: 0.35rem 0 0.35rem 1.5rem;
  margin: 2.25rem 0;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--bone);
  max-width: 32ch;
}

.aside-card {
  border: var(--rule) solid var(--line);
  padding: 1.5rem 1.25rem;
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 90px;
}
.aside-card dl { display: grid; gap: 0.9rem; margin: 0; }
.aside-card dt { font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--bone-35); }
.aside-card dd { margin: 0.25rem 0 0; font-size: 0.875rem; color: var(--bone-70); }

.outcomes {
  display: grid;
  gap: var(--rule);
  background: var(--line);
  border: var(--rule) solid var(--line);
  margin: 2.25rem 0;
}
@media (min-width: 700px) { .outcomes { grid-template-columns: repeat(3, 1fr); } }
.outcome { background: var(--ink); padding: 1.5rem 1.25rem; }
.outcome .n {
  font-family: var(--display);
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}
.outcome .t { margin-top: 0.6rem; font-size: 0.875rem; color: var(--bone-50); line-height: 1.5; }

/* next / prev */
.pager { display: grid; gap: var(--rule); background: var(--line); border-top: var(--rule) solid var(--line); }
@media (min-width: 760px) { .pager { grid-template-columns: repeat(2, 1fr); } }
.pager a {
  background: var(--ink);
  padding: clamp(1.75rem, 3vw, 2.75rem) clamp(1.25rem, 2.4vw, 2rem);
  display: grid;
  gap: 0.6rem;
  transition: background 0.5s var(--ease);
}
.pager a:hover { background: var(--ink-1); }
.pager .t { font-family: var(--display); font-size: clamp(1.35rem, 2.2vw, 1.85rem); line-height: 1.1; letter-spacing: -0.015em; }
.pager a:hover .t { color: var(--amber); }

/* ---------- 19. SCROLL REVEAL ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- 20. PROGRESS + CURSOR ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--amber);
  z-index: 200;
  pointer-events: none;
}

/* ---------- 21. 404 ---------- */
.oops { min-height: 76svh; display: grid; place-content: center; text-align: center; gap: 1.5rem; padding-block: 5rem; }
.oops .code { font-family: var(--display); font-size: clamp(6rem, 26vw, 18rem); line-height: 0.8; color: var(--amber); letter-spacing: -0.04em; }

/* ---------- 22. REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero h1 .line > span { transform: none; }
  .hero-foot { opacity: 1; }
  [data-reveal] { opacity: 1; transform: none; }
  .grain { animation: none; }
}

/* ---------- 23. PRINT ---------- */
@media print {
  .nav, .grain, .sheet, .bloom, .progress, .marquee { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; }
}